# US 11,998,932 B2 · Hand shower with automatically returnable side switch handle and shower device

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- Number: US 11,998,932 B2
- Document ID: US11998932B2
- Status: Granted
- Kind: B2
- Application number: 17/419,677
- Filed: 2020-11-02
- Published: 2022-06-09
- Granted: 2024-06-04
- Earliest claimed: 2020-09-24
- Assignees: Sinyu Technology (Fujian) Co., Ltd.
- Applicants: Sinyu Technology (Fujian) Co., Ltd.
- Inventors: Zhangjun Yu; Zhicheng Lin; Qianzhen Fang
- Web page: https://patentgrep.com/patent/US11998932B2

## CPC

- B05B 1/1636: {by relative rotative movement of the valve elements (B05B1/1672 takes precedence)}
- B05B 1/18: Roses; Shower heads
- B05B 1/1886: {the linear movement of the controlling member being converted into a rotational movement of the controlled element}
- B05B 1/1896: {located in or on the housing}
- B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D)

## Abstract

Provided is a hand shower with an automatically returnable side switch handle, hand shower including a hand shower body, a limiting portion, and a switching mechanism. A rotary disc and a water distribution component are configured inside the hand shower body, a notch is formed in a side surface thereof hand shower, and the limiting portion is fixed therein hand shower. The switching mechanism includes a toggle button, a transmission component, and an elastic reset member. The toggle button is movably provided in the notch and is linked with the transmission component, which is driven to move by toggling the toggle button. The transmission component is linked with the rotary disc to drive it to rotate in a forward direction relative to the water distribution component. The elastic reset member is provided in the hand shower body and acts on the transmission component to drive it to drive the toggle button to be reset.

## Claims

### Claim 1

A hand shower with an automatically returnable side switch handle, comprising:
a hand shower body, in which a rotary disc and a water distribution component are provided, wherein a notch is formed in a side surface of the hand shower body;
a limiting portion, fixed in the hand shower body; and
a switching mechanism, comprising a toggle button, a transmission component and an elastic reset member,
wherein the toggle button is movably provided in the notch and is linked with the transmission component, and the transmission component is driven to move by toggling the toggle button;
the transmission component is linked with the rotary disc, so as to drive the rotary disc to rotate in a forward direction relative to the water distribution component, so as to switch a water flow; and
the elastic reset member is provided in the hand shower body and acts on the transmission component, so as to drive the transmission component to drive the toggle button to be reset,
wherein the limiting portion acts on the rotary disc, so as to prevent the rotary disc from rotating in a reverse direction,
wherein the transmission component comprises a transmission member, a driving member, and a driving pawl,
the transmission member comprises a connecting member and a toothed structure, wherein the toothed structure is provided at one end of the connecting member, and the other end of the connecting member is connected to the toggle button; the connecting member is rotatably provided on a rear cover via a fixed shaft, and the connecting member is configured to rotate around the fixed shaft, so as to drive the driving member to rotate; and the elastic reset member has one end fixed to the rear cover, and the other end connected to the connecting member, and
wherein a boss is provided on a side surface of the connecting member, and one end of the elastic reset member is sleeved on the boss.

### Claim 2 (depends on 1)

The hand shower with an automatically returnable side switch handle according to claim 1, wherein
the water distribution component comprises a water distribution tray and the rear cover connected to each other, and a plurality of first water passage holes are provided in the water distribution tray;
the rotary disc comprises a switching plate and a rotating portion connected to each other,
wherein the switching plate is located between the water distribution tray and the rear cover, second water passage holes are provided in the switching plate to match the first water passage holes, and the rotating portion passes through the rear cover and is connected to the transmission component; and
the transmission component, the elastic reset member, and the limiting portion are provided on a surface of the rear cover.

### Claim 3 (depends on 2)

The hand shower with an automatically returnable side switch handle according to claim 2,
wherein
the transmission member is linked with the toggle button, the driving member has driving teeth, and the driving teeth of the driving member mesh with the toothed structure of the transmission member; and
the driving pawl is provided on a surface of the driving member and is configured to move along with the driving member; and
the rotating portion comprises a rotating shaft and a driving ratchet, wherein
the rotating shaft has one end connected to the switching plate; and
the driving ratchet is provided at an end of the rotating shaft away from the switching plate and is in transmission connection to the driving pawl.

### Claim 4 (depends on 3)

The hand shower with an automatically returnable side switch handle according to claim 3, wherein the driving ratchet and the rotating shaft are fixed by a snap ring.

### Claim 5 (depends on 3)

The hand shower with an automatically returnable side switch handle according to claim 3, wherein
a clamping groove is provided in a surface of the driving member, and the driving pawl is clamped in the clamping groove; and
the driving pawl is meshed with the driving ratchet.

### Claim 6 (depends on 5)

The hand shower with an automatically returnable side switch handle according to claim 5,
wherein the surface of the driving member is provided with two clamping grooves spaced apart from each other, two driving pawls are clamped in the two clamping grooves, respectively, and the two driving pawls are both meshed with the driving ratchet.

### Claim 7 (depends on 3)

The hand shower with an automatically returnable side switch handle according to claim 3,
wherein the limiting portion comprises a limiting pawl, and the limiting pawl is fixed on a surface of the rear cover and abuts against the driving ratchet, so as to prevent the driving ratchet from rotating in a reverse direction.

### Claim 8 (depends on 3)

The hand shower with an automatically returnable side switch handle according to claim 3, wherein
a protruding shaft is provided on a surface of the rear cover,
wherein the driving member is rotatably sleeved on the protruding shaft, one of the protruding shaft and the driving member is provided with a limiting block, the other one of the protruding shaft and the driving member is provided with a limiting groove, wherein the limiting block is configured to slide in the limiting groove.

### Claim 9 (depends on 8)

The hand shower with an automatically returnable side switch handle according to claim 8,
wherein the limiting block is provided on an outer side wall of the protruding shaft, and the limiting groove is provided in an inner side wall of the driving member to fit with the limiting block.

### Claim 10 (depends on 1)

The hand shower with an automatically returnable side switch handle according to claim 1,
wherein the hand shower body comprises a head portion and a grip portion connected to the head portion, wherein the notch is located in a side surface of the head portion of the hand shower body close to the grip portion.

### Claim 11 (depends on 10)

The hand shower with an automatically returnable side switch handle according to claim 10, wherein the notch is in a shape of a strip and extends along a peripheral side of the head portion of the hand shower body, and the toggle button is configured to move in a length direction of the notch.

### Claim 12 (depends on 10)

The hand shower with an automatically returnable side switch handle according to claim 10,
wherein a water inlet pipe is provided in the grip portion of the hand shower body, and the water inlet pipe communicates with the water distribution component.

### Claim 13 (depends on 1)

The hand shower with an automatically returnable side switch handle according to claim 1, wherein
the toggle button is equipped with a shielding piece, wherein a gap is formed in the shielding piece, and the toggle button is embedded in the gap; and
the shielding piece is configured to move along with the toggle button to shield the notch.

### Claim 14 (depends on 1)

The hand shower with an automatically returnable side switch handle according to claim 1, wherein the elastic reset member is a spring.

### Claim 15 (depends on 1)

The hand shower with an automatically returnable side switch handle according to claim 1,
wherein the hand shower body is equipped with self-cleaning silicone dots and a water outlet panel,
wherein the self-cleaning silicone dots are provided between the water outlet panel and the water distribution component.

### Claim 16 (depends on 15)

The hand shower with an automatically returnable side switch handle according to claim 15,
wherein the hand shower body is provided with a decorative cover to shield the water outlet panel.

### Claim 17 (depends on 1)

The hand shower with an automatically returnable side switch handle according to claim 1,
wherein the hand shower body is provided with a spray plug, and the spray plug communicates with the water distribution component.

### Claim 18 (depends on 1)

A shower device, comprising
the hand shower with an automatically returnable side switch handle according to claim 1.
