# US 2020/0399881 A1 · Module for unpowered and automatically flushing apparatus having detachable and waterproof functions on toilet seat

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2020/0399881 A1
- Document ID: US20200399881A1
- Status: Published application
- Kind: A1
- Application number: 16/073,172
- Filed: 2017-01-25
- Published: 2020-12-24
- Earliest claimed: 2016-01-28
- Assignees: Dong Jin LEE; Air Voom Inc.
- Applicants: Air Voom Inc.
- Inventors: Dong Jin LEE; Jae Tong LEE
- Web page: https://patentgrep.com/patent/US20200399881A1

## CPC

- A47K 13/24: Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22
- E03D 5/04: directly by the seat or cover {combined with devices for opening and closing shutters in the bowl outlet and/or with devices for raising and lowering seat or cover; Raising or lowering seat and/or cover by flushing or by the flushing mechanism}
- A47K: SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
- E03D: WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR

## Abstract

Provided is a module for an unpowered and automatically flushing apparatus having detachable and waterproof functions on a toilet seat. A loading lever rotates, by means of the descending movement of a toilet seat, and presses a loading member, thereby enabling enhancement of the transmission efficiency of the force and smooth operation. Also, by means of simplifying the installation work, in which a loading unit and a toilet paper time and flush control unit, or, a loading unit, a toilet paper time and flush control unit and a toilet paper time and flush control unit, or, a loading unit, a toilet paper time and flush control unit, a feces and urine distinguishing unit and a toilet paper time and flush control unit are modularized and installed on the toilet seat, the working process and working time can be reduced.

## Claims

### Claim at position 1

-18. (canceled)

### Claim 19

A module for an unpowered and automatically flushing apparatus having detachable and waterproof functions on a toilet seat, the module being configured such that a seating switch (100) accommodated in a toilet seat (10) and configured to sense a user sitting on the toilet seat (10), and a loading unit (200) configured such that a loading member (220) is rotated and is pressed by pressure of a loading lever (230) operating in conjunction with downward movement of the toilet seat (10) by the user's body weight so as to pull a flushing wire (540) of an opening and closing member (500) are modularized.

### Claim 20 (depends on 19)

The module of claim 19, wherein the seating switch (100) includes:
the cover (120) mounted to a mounting hole (110) formed in the toilet seat (10), and configured such that a hook (131) protruding from the sensing plate (130) is coupled to a hook hole (121) formed therethrough;
the sensing plates (130) mounted to the toilet main body as the hook (131) is coupled to the hook hole (121) formed through the cover (120); and
a seat spring (140) mounted between the cover (120) and the sensing plate (130).

### Claim 21 (depends on 20)

The module of claim 20, further comprising:
a mounting fixing unit (160) configured to fix the cover (120) to the mounting hole (110).

### Claim 22 (depends on 21)

The module of claim 21, wherein the mounting fixing unit (160) includes:
a mounting fixing hole (161) grooved at a side of the cover (120);
a mounting spring (162) accommodated in the mounting fixing hole (161), and configured to press a mounting fixing member (163); and
the mounting fixing member (163) mounted to the mounting fixing hole (161) and the toilet seat (10) by pressure of the mounting spring (162), and configured to prevent separation of the cover (120).

### Claim 23 (depends on 19)

The module of claim 19, wherein the loading unit (200) includes:
a loading shaft (210) protruding from a sensing plate (130) of the seating switch (100);
the loading member (220) mounted to the loading shaft (210), and configured to generate the loading force to pull the flushing wire (540) by being stopped by a guide protrusion (523) of a wire guide (520) while being rotated by being pressed by a loading lever (230) operating in conjunction with the downward movement of the toilet seat (10);
the loading lever (230) configured such that a second end thereof accommodates a side of the loading member (220) to press and rotate the loading member (220) and a first end thereof is rotatably mounted to a guide groove (230a) provided on the sensing plate (130); and
a lever guide (240) mounted to a cover (120) to press the loading lever (230) while preventing the loading lever (230) from being separated from the guide groove (230a).

### Claim 24 (depends on 23)

The module of claim 23, further comprising:
a loading-maintaining member (250) accommodating the loading member (220) rotated by pressure of the loading lever (230) to generate a loading force, and maintaining the loading force of the loading member (220) until the loading member (220) is separated therefrom.

### Claim 25 (depends on 24)

The module of claim 24, wherein the loading-maintaining member (250) includes:
a loading-maintaining body (251) provided with an inclined stop protrusion (251a) protruding therefrom such that the loading member (220) is moved and stopped thereby; and
a control spring (252) configured to support the loading-maintaining body (251).

### Claim 26 (depends on 19)

The module of claim 19, wherein the opening and closing member (500) includes:
a rotation guide shaft (510) protruding from the toilet seat (10);
the wire guide (520) configured to be rotated to pull the flushing wire (540) by the loading force of the loading member (220) stopped by the guide protrusion (523) of the wire guide (520) as the rotation guide shaft (510) is mounted to a shaft hole (521);
a wire roller (530) rotatably mounted to a roller guide hole (522) formed in the wire guide (520) to guide the flushing wire (540); and
the flushing wire (540) configured to connect the siphon cover (20) and the toilet seat (10) via the wire roller (530).

### Claim 27 (depends on 26)

The module of claim 26, further comprising:
an auxiliary wire roller (530a) mounted to a rotation guide shaft (510a) protruding from the toilet seat (10) to guide rotation of the wire guide (520).

### Claim 28

A module for an unpowered and automatically flushing apparatus having detachable and waterproof functions on a toilet seat, the module being configured such that a seating switch (100) accommodated in a toilet seat (10) and configured to sense a user sitting on the toilet seat (10), a loading unit (200) configured such that a loading member (220) is rotated and is pressed by pressure of a loading lever (230) operating in conjunction with downward movement of the toilet seat (10) by the user's body weight so as to pull a flushing wire (540) of an opening and closing member (500), and a toilet paper time and flush control unit (400) configured such that an amount of air flowing in a guide rib (410) is adjusted by upward movement of the toilet seat (10) with the user's body weight unloaded to control a time for the user to discard toilet paper and flushing are modularized.

### Claim 29 (depends on 28)

The module of claim 28, wherein the seating switch (100) includes:
the cover (120) mounted to a mounting hole (110) formed in the toilet seat (10), and configured such that a hook (131) protruding from the sensing plate (130) is coupled to a hook hole (121) formed therethrough;
the sensing plates (130) mounted to the toilet main body as the hook (131) is coupled to the hook hole (121) formed through the cover (120); and
a seat spring (140) mounted between the cover (120) and the sensing plate (130).

### Claim 30 (depends on 29)

The module of claim 29, further comprising:
a waterproof sheet (150) with the sensing plate (130) and the cover (120) surrounded thereby mounted to the mounting hole (110).

### Claim 31 (depends on 29)

The module of claim 29, further comprising:
a mounting fixing unit (160) configured to fix the cover (120) to the mounting hole (110).

### Claim 32 (depends on 31)

The module of claim 31, wherein the mounting fixing unit (160) includes:
a mounting fixing hole (161) grooved at a side of the cover (120);
a mounting spring (162) accommodated in the mounting fixing hole (161), and configured to press a mounting fixing member (163); and
the mounting fixing member (163) mounted to the mounting fixing hole (161) and the toilet seat (10) by pressure of the mounting spring (162), and configured to prevent separation of the cover (120).

### Claim 33 (depends on 28)

The module of claim 28, wherein the loading unit (200) includes:
a loading shaft (210) protruding from a sensing plate (130) of the seating switch (100);
the loading member (220) mounted to the loading shaft (210), and configured to generate the loading force to pull the flushing wire (540) by being stopped by a guide protrusion (523) of a wire guide (520) while being rotated by being pressed by a loading lever (230) operating in conjunction with the downward movement of the toilet seat (10);
the loading lever (230) configured such that a second end thereof accommodates a side of the loading member (220) to press and rotate the loading member (220) and a first end thereof is rotatably mounted to a guide groove (230a) provided on the sensing plate (130); and
a lever guide (240) mounted to a cover (120) to press the loading lever (230) while preventing the loading lever (230) from being separated from the guide groove (230a).

### Claim 34 (depends on 33)

The module of claim 33, further comprising:
a loading-maintaining member (250) accommodating the loading member (220) rotated by pressure of the loading lever (230) to generate a loading force, and maintaining the loading force of the loading member (220) until the loading member (220) is separated therefrom.

### Claim 35 (depends on 34)

The module of claim 34, wherein the loading-maintaining member (250) includes:
a loading-maintaining body (251) provided with an inclined stop protrusion (251a) protruding therefrom such that the loading member (220) is moved and stopped thereby; and
a control spring (252) configured to support the loading-maintaining body (251).

### Claim 36 (depends on 28)

The module of claim 28, wherein the opening and closing member (500) includes:
a rotation guide shaft (510) protruding from the toilet seat (10);
the wire guide (520) configured to be rotated to pull the flushing wire (540) by the loading force of the loading member (220) stopped by the guide protrusion (523) of the wire guide (520) as the rotation guide shaft (510) is mounted to a shaft hole (521);
a wire roller (530) rotatably mounted to a roller guide hole (522) formed in the wire guide (520) to guide the flushing wire (540); and
the flushing wire (540) configured to connect the siphon cover (20) and the toilet seat (10) via the wire roller (530).

### Claim 37 (depends on 36)

The module of claim 36, further comprising:
an auxiliary wire roller (530a) mounted to a rotation guide shaft (510a) protruding from the toilet seat (10) to guide rotation of the wire guide (520).

### Claim 38 (depends on 28)

The module of claim 28, wherein the toilet paper time and flush control unit (400) includes:
a guide rib (410) configured to protrude from the cover (120) of the seating switch (100) such that an inlet check valve (410a) opens and closes a discharge through-hole (411) formed therethrough, and formed with an excreta discharge holes (412 and 413) at a side thereof with which feces/urine adjusting bolts (412′ and 413′) are engaged;
an air inlet regulator (420) accommodated in the guide rib (410), and configured such that air in the guide rib (410) is discharged by the inlet check valve (410a) opened in conjunction with the downward movement of the toilet seat (10), and the amount of air flowing in the guide rib (410) is regulated by closing the inlet check valve (410a) in conjunction with the upward movement of the toilet seat (10);
a toilet paper time-check pin (430) mounted to a check pin-control groove (425b) formed in the air inlet regulator (420), and configured to open and close a guide rib through-hole (411′) formed through the guide rib (410) while being vertically moved along the air inlet regulator (420) to secure a time for the user to discard toilet paper; and
an unloading guide member (440) configured to release a supporting force of the loading-maintaining member (250) of the loading unit (200) as the air inlet regulator (420) is vertically moved in the guide rib (410) to press an unloading member (450) provided in the air inlet regulator (420).

### Claim 39 (depends on 38)

The module of claim 38, wherein the air inlet regulator (420) includes:
an air inlet regulating member (421) configured to be vertically moved in the guide rib (410);
a seat cover (422) seated on an upper surface of the air inlet regulating member (421);
through-holes (422a and 421a) formed through the seat cover (422) and the air inlet regulating member (421) to be coupled with the inlet check valve (410a);
a flush washer (423) mounted to the air inlet regulating member (421) and configured to support an adjusting spring (424);
the adjusting spring (424) mounted to the air inlet regulating member (421) to be brought into close contact with the flush washer (423);
an anti-separation member (425) mounted to a lower end portion of the air inlet regulating member (421) to prevent separation of the adjusting spring (424), configured to compress the adjusting spring (424) in conjunction with the downward movement of the toilet seat (10), and provided with a determining pin-control groove (425a) and the check pin-control groove (425b) on an outer circumferential surface thereof; and
an inflow-adjusting bolt (426) fastened to the through-hole (421a) of the air inlet regulating member (421) to guide air flow.

### Claim 40 (depends on 39)

The module of claim 39, further comprising:
an adjustment filter (427) configured to guide the air flow by being pressed by a fastening force of the inflow-adjusting bolt (426) fastened to the through-hole (421a) of the air inlet regulating member (421); and
a fine adjustment filter (427a) accommodated in the inflow-adjusting bolt (426), and configured to filter foreign substances.

### Claim 41 (depends on 38)

The module of claim 38, wherein the unloading guide member (440) includes:
an unloading guide body (441) rotatably mounted to a coupling hole (440a) formed in the cover (120);
an unloading control protrusion (442) protruding from a first side of the unloading guide body (441) to be selectively stopped by a loading-maintaining control protrusion (251b) of the loading-maintaining member (250);
an unloading guide protrusion (443) protruding from a second side of the unloading guide body (441) at an obtuse angle with respect to the unloading control protrusion (442) to press the unloading member (450); and
a restoring elastic piece (444) protruding from the first side of the unloading guide body (441) to be brought into close contact with an inner surface of the toilet seat (10), thereby restoring the unloading guide body (441) with pressure of the unloading member (450) released.

### Claim 42

A module for an unpowered and automatically flushing apparatus having detachable and waterproof functions on a toilet seat, the module being configured such that a seating switch (100) accommodated in a toilet seat (10) and configured to sense a user sitting on the toilet seat (10), a loading unit (200) configured such that a loading member (220) is rotated and is pressed by pressure of a loading lever (230) operating in conjunction with downward movement of the toilet seat (10) by the user's body weight so as to pull a flushing wire (540) of an opening and closing member (500), a toilet paper time and flush control unit (400) configured such that an amount of air flowing in a guide rib (410) is adjusted by upward movement of the toilet seat (10) with the user's body weight unloaded to control a time for the user to discard toilet paper and flushing, and a feces and urine distinguishing unit (300) configured such that air in a distinguishing-guide rib (310) is discharged by downward movement of the toilet seat and feces or urine of the user is determined according to whether a feces and urine determination pin (340) is pressed or not are modularized.

### Claim 43 (depends on 42)

The module of claim 42, wherein the seating switch (100) includes:
the cover (120) mounted to a mounting hole (110) formed in the toilet seat (10), and configured such that a hook (131) protruding from the sensing plate (130) is coupled to a hook hole (121) formed therethrough;
the sensing plates (130) mounted to the toilet main body as the hook (131) is coupled to the hook hole (121) formed through the cover (120); and
a seat spring (140) mounted between the cover (120) and the sensing plate (130).

### Claim 44 (depends on 43)

The module of claim 43, further comprising:
a waterproof sheet (150) with the sensing plate (130) and the cover (120) surrounded thereby mounted to the mounting hole (110).

### Claim 45 (depends on 43)

The module of claim 43, further comprising:
a mounting fixing unit (160) configured to fix the cover (120) to the mounting hole (110).

### Claim 46 (depends on 45)

The module of claim 45, wherein the mounting fixing unit (160) includes:
a mounting fixing hole (161) grooved at a side of the cover (120);
a mounting spring (162) accommodated in the mounting fixing hole (161), and configured to press a mounting fixing member (163); and
the mounting fixing member (163) mounted to the mounting fixing hole (161) and the toilet seat (10) by pressure of the mounting spring (162), and configured to prevent separation of the cover (120).

### Claim 47 (depends on 42)

The module of claim 42, wherein the loading unit (200) includes:
a loading shaft (210) protruding from a sensing plate (130) of the seating switch (100);
the loading member (220) mounted to the loading shaft (210), and configured to generate the loading force to pull the flushing wire (540) by being stopped by a guide protrusion (523) of a wire guide (520) while being rotated by being pressed by a loading lever (230) operating in conjunction with the downward movement of the toilet seat (10);
the loading lever (230) configured such that a second end thereof accommodates a side of the loading member (220) to press and rotate the loading member (220) and a first end thereof is rotatably mounted to a guide groove (230a) provided on the sensing plate (130); and
a lever guide (240) mounted to a cover (120) to press the loading lever (230) while preventing the loading lever (230) from being separated from the guide groove (230a).

### Claim 48 (depends on 47)

The module of claim 47, further comprising:
a loading-maintaining member (250) accommodating the loading member (220) rotated by pressure of the loading lever (230) to generate a loading force, and maintaining the loading force of the loading member (220) until the loading member (220) is separated therefrom.

### Claim 49 (depends on 48)

The module of claim 48, wherein the loading-maintaining member (250) includes:
a loading-maintaining body (251) provided with an inclined stop protrusion (251a) protruding therefrom such that the loading member (220) is moved and stopped thereby; and
a control spring (252) configured to support the loading-maintaining body (251).

### Claim 50 (depends on 42)

The module of claim 42, wherein the opening and closing member (500) includes:
a rotation guide shaft (510) protruding from the toilet seat (10);
the wire guide (520) configured to be rotated to pull the flushing wire (540) by the loading force of the loading member (220) stopped by the guide protrusion (523) of the wire guide (520) as the rotation guide shaft (510) is mounted to a shaft hole (521);
a wire roller (530) rotatably mounted to a roller guide hole (522) formed in the wire guide (520) to guide the flushing wire (540); and
the flushing wire (540) configured to connect the siphon cover (20) and the toilet seat (10) via the wire roller (530).

### Claim 51 (depends on 50)

The module of claim 50, further comprising:
an auxiliary wire roller (530a) mounted to a rotation guide shaft (510a) protruding from the toilet seat (10) to guide rotation of the wire guide (520).

### Claim 52 (depends on 42)

The module of claim 42, wherein the toilet paper time and flush control unit (400) includes:
a guide rib (410) configured to protrude from the cover (120) of the seating switch (100) such that an inlet check valve (410a) opens and closes a discharge through-hole (411) formed therethrough, and formed with an excreta discharge holes (412 and 413) at a side thereof with which feces/urine adjusting bolts (412′ and 413′) are engaged;
an air inlet regulator (420) accommodated in the guide rib (410), and configured such that air in the guide rib (410) is discharged by the inlet check valve (410a) opened in conjunction with the downward movement of the toilet seat (10), and the amount of air flowing in the guide rib (410) is regulated by closing the inlet check valve (410a) in conjunction with the upward movement of the toilet seat (10);
a toilet paper time-check pin (430) mounted to a check pin-control groove (425b) formed in the air inlet regulator (420), and configured to open and close a guide rib through-hole (411′) formed through the guide rib (410) while being vertically moved along the air inlet regulator (420) to secure a time for the user to discard toilet paper; and
an unloading guide member (440) configured to release a supporting force of the loading-maintaining member (250) of the loading unit (200) as the air inlet regulator (420) is vertically moved in the guide rib (410) to press an unloading member (450) provided in the air inlet regulator (420).

### Claim 53 (depends on 52)

The module of claim 52, wherein the air inlet regulator (420) includes:
an air inlet regulating member (421) configured to be vertically moved in the guide rib (410);
a seat cover (422) seated on an upper surface of the air inlet regulating member (421);
through-holes (422a and 421a) formed through the seat cover (422) and the air inlet regulating member (421) to be coupled with the inlet check valve (410a);
a flush washer (423) mounted to the air inlet regulating member (421) and configured to support an adjusting spring (424);
the adjusting spring (424) mounted to the air inlet regulating member (421) to be brought into close contact with the flush washer (423);
an anti-separation member (425) mounted to a lower end portion of the air inlet regulating member (421) to prevent separation of the adjusting spring (424), configured to compress the adjusting spring (424) in conjunction with the downward movement of the toilet seat (10), and provided with a determining pin-control groove (425a) and the check pin-control groove (425b) on an outer circumferential surface thereof; and
an inflow-adjusting bolt (426) fastened to the through-hole (421a) of the air inlet regulating member (421) to guide air flow.

### Claim 54 (depends on 53)

The module of claim 53, further comprising:
an adjustment filter (427) configured to guide the air flow by being pressed by a fastening force of the inflow-adjusting bolt (426) fastened to the through-hole (421a) of the air inlet regulating member (421); and
a fine adjustment filter (427a) accommodated in the inflow-adjusting bolt (426), and configured to filter foreign substances.

### Claim 55 (depends on 52)

The module of claim 52, wherein the unloading guide member (440) includes:
an unloading guide body (441) rotatably mounted to a coupling hole (440a) formed in the cover (120);
an unloading control protrusion (442) protruding from a first side of the unloading guide body (441) to be selectively stopped by a loading-maintaining control protrusion (251b) of the loading-maintaining member (250);
an unloading guide protrusion (443) protruding from a second side of the unloading guide body (441) at an obtuse angle with respect to the unloading control protrusion (442) to press the unloading member (450); and
a restoring elastic piece (444) protruding from the first side of the unloading guide body (441) to be brought into close contact with an inner surface of the toilet seat (10), thereby restoring the unloading guide body (441) with pressure of the unloading member (450) released.

### Claim 56 (depends on 42)

The module of claim 42, wherein the feces and urine distinguishing unit (300) includes:
a distinguishing-guide rib (310) protruding from a cover (120) of the seating switch (100), with an inlet through-hole (311) formed therethrough;
a discharge check valve (320) configured to open and close the inlet through-hole (311) of the distinguishing-guide rib (310);
a guide rod (330) accommodated in the distinguishing-guide rib (310), and configured to discharge air in the distinguishing-guide rib (310) to a guide through-hole (330a) while being moved by pressure of a guide spring (330′) in conjunction with the downward movement of the toilet seat (10);
a feces and urine determination pin (340) mounted to a determining pin-control groove (425a) of the air inlet regulator (420), and configured to determine whether excreta is feces or urine in accordance with opening and closing of a urine discharge hole (413) by pressure of the feces and urine determination member (340a) protruding from a side of the guide rod (330); and
a discharge adjusting bolt (350) fastened to the guide through-hole (330a) to control air flow discharged through the guide through-hole (330a).

### Claim 57 (depends on 56)

The module of claim 56, further comprising:
an adjustment filter (360) configured to guide the air flow by being pressed by a fastening force of the discharge adjusting bolt (350) fastened to the guide through-hole (330a) of the guide rod (330).