# US 12,757,862 B2 · Excrement collecting box and using method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,757,862 B2 - Document ID: US12757862B2 - Status: Granted - Kind: B2 - Application number: 18/727,950 - Filed: 2023-10-26 - Published: 2026-08-27 - Granted: 2026-10-13 - Earliest claimed: 2023-03-31 - Assignees: PETKIT Network Technology (Shanghai) Co., Ltd. - Applicants: PETKIT Network Technology (Shanghai) Co., Ltd. - Inventors: Lihua Jiang; Weike Guo; Weixue Guo; Xiaoqing Ma; Junchao Zhang - Web page: https://patentgrep.com/patent/US12757862B2 ## CPC - A01K 1/011: {with means for removing excrement (A01K1/0114 and A01K1/0117 take precedence)} - A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS ## Abstract An excrement collecting box and method for using the excementing collecting box are provided. The excrement collecting box includes a housing, a packaging component and a collecting bag. An opening is provided in the housing. The packaging component includes a first sliding rod, a second sliding rod and a hot melt cutting member, the first sliding rod and the second sliding rod being set at an angle, the first sliding rod and the second sliding rod being slidably disposed on the housing, the first sliding rod and the second sliding rod being capable of simultaneously sliding towards the hot melt cutting member or simultaneously sliding away from the hot melt cutting member, and the hot melt cutting member being securely connected to the housing. The collecting bag may pass through the opening and connect to the housing, the collecting bag being capable of being abutted by the first sliding rod. ## Claims ### Claim 1 An excrement collecting box configured to collect pet excrement, comprising: a housing, wherein an opening is provided in the housing; a packaging component, wherein the packaging component comprises a first sliding rod, a second sliding rod and a hot melt cutting member, the first sliding rod and the second sliding rod are set at a preset angle, the first sliding rod and the second sliding rod are slidably disposed on the housing separately, the first sliding rod and the second sliding rod are capable of simultaneously sliding towards the hot melt cutting member or simultaneously sliding away from the hot melt cutting member, and the hot melt cutting member is securely connected to the housing; and a collecting bag, wherein the collecting bag passes through the opening and is connected to the housing, the collecting bag is capable of being abutted by the first sliding rod, the second sliding rod and the hot melt cutting member, and the hot melt cutting member is configured to seal and cut the collecting bag. ### Claim 2 (depends on 1) The excrement collecting box according to claim 1, wherein the packaging component further comprises: a packaging motor, wherein the packaging motor is securely connected to the housing; a first timing belt and two first pulleys, wherein the two first pulleys are disposed at two ends of the first timing belt respectively and mesh with the first timing belt, one first pulley of the two first pulleys is securely connected to a motor shaft of the packaging motor, the other first pulley of the two first pulleys is securely disposed on the housing, and the first sliding rod is securely connected to the first timing belt; and a second timing belt and two second pulleys, wherein the two second pulleys are disposed at two ends of the second timing belt respectively and mesh with the second timing belt, one second pulley of the two second pulleys is securely connected to the motor shaft of the packaging motor, the other second pulley of the two second pulleys is securely disposed on the housing, and the second sliding rod is securely connected to the second timing belt. ### Claim 3 (depends on 2) The excrement collecting box according to claim 2, wherein a first drive block is disposed on the first sliding rod, a second drive block is disposed on the second sliding rod, the first drive block is securely connected to a side of the first timing belt close to the collecting bag, and the second drive block is securely connected to a side of the second timing belt away from the collecting bag; or the first drive block is securely connected to a side of the first timing belt away from the collecting bag, and the second drive block is securely connected to a side of the second timing belt close to the collecting bag. ### Claim 4 (depends on 3) The excrement collecting box according to claim 3, wherein the packaging component further comprises a first guide support shaft and a second guide support shaft, the first drive block is slidably connected to the first guide support, the second drive block is slidably connected to the second guide support shaft, the first guide support shaft is parallel to a movement direction of the first drive block, and the second guide support shaft is parallel to a movement direction of the second drive block. ### Claim 5 (depends on 4) The excrement collecting box according to claim 4, further comprising a sealing component and a detection unit, wherein the sealing component comprises a left side sealing portion and a right side sealing portion, the left side sealing portion and the right side sealing portion are capable of sliding relative to the housing, the left side sealing portion is configured to be closed with the right side sealing portion, the collecting bag is capable of being abutted by the sealing component, the detection unit is rotatably disposed on the left side sealing portion and the right side sealing portion, and the detection unit is configured to, in a case where the collecting bag is full, abut against the pet excrement to prevent the detection unit from rotating towards the bottom wall of the collecting bag. ### Claim 6 (depends on 3) The excrement collecting box according to claim 3, further comprising a sealing component and a detection unit, wherein the sealing component comprises a left side sealing portion and a right side sealing portion, the left side sealing portion and the right side sealing portion are capable of sliding relative to the housing, the left side sealing portion is configured to be closed with the right side sealing portion, the collecting bag is capable of being abutted by the sealing component, the detection unit is rotatably disposed on the left side sealing portion and the right side sealing portion, and the detection unit is configured to, in a case where the collecting bag is full, abut against the pet excrement to prevent the detection unit from rotating towards the bottom wall of the collecting bag. ### Claim 7 (depends on 2) The excrement collecting box according to claim 2, wherein the first sliding rod and the second sliding rod are perpendicular to each other, the first timing belt and the first sliding rod are perpendicular to each other, and the second timing belt and the second sliding rod are perpendicular to each other. ### Claim 8 (depends on 7) The excrement collecting box according to claim 7, further comprising a sealing component and a detection unit, wherein the sealing component comprises a left side sealing portion and a right side sealing portion, the left side sealing portion and the right side sealing portion are capable of sliding relative to the housing, the left side sealing portion is configured to be closed with the right side sealing portion, the collecting bag is capable of being abutted by the sealing component, the detection unit is rotatably disposed on the left side sealing portion and the right side sealing portion, and the detection unit is configured to, in a case where the collecting bag is full, abut against the pet excrement to prevent the detection unit from rotating towards the bottom wall of the collecting bag. ### Claim 9 (depends on 2) The excrement collecting box according to claim 2, further comprising a sealing component and a detection unit, wherein the sealing component comprises a left side sealing portion and a right side sealing portion, the left side sealing portion and the right side sealing portion are capable of sliding relative to the housing, the left side sealing portion is configured to be closed with the right side sealing portion, the collecting bag is capable of being abutted by the sealing component, the detection unit is rotatably disposed on the left side sealing portion and the right side sealing portion, and the detection unit is configured to, in a case where the collecting bag is full, abut against the pet excrement to prevent the detection unit from rotating towards the bottom wall of the collecting bag. ### Claim 10 (depends on 1) The excrement collecting box according to claim 1, further comprising a collecting box, wherein the collecting box is disposed under the housing and detachably connected to the housing, an inner side wall of the collecting box, a bottom wall of the housing and a bottom wall of the collecting bag collectively form a negative pressure space, a negative pressure device is securely connected to the collecting box, and the negative pressure device is configured to apply negative pressure to the negative pressure space. ### Claim 11 (depends on 10) The excrement collecting box according to claim 10, further comprising a sealing component and a detection unit, wherein the sealing component comprises a left side sealing portion and a right side sealing portion, the left side sealing portion and the right side sealing portion are capable of sliding relative to the housing, the left side sealing portion is configured to be closed with the right side sealing portion, the collecting bag is capable of being abutted by the sealing component, the detection unit is rotatably disposed on the left side sealing portion and the right side sealing portion, and the detection unit is configured to, in a case where the collecting bag is full, abut against the pet excrement to prevent the detection unit from rotating towards the bottom wall of the collecting bag. ### Claim 12 (depends on 1) The excrement collecting box according to claim 1, wherein a sealing position sensor and a standby position sensor are disposed on the housing, the packaging component has a sealing state and a standby state, the sealing position sensor is configured to detect whether the packaging component is in the sealing state, the standby position sensor is configured to detect whether the packaging component is in the standby state, and in a case where the packaging component is in the sealing state, the collecting bag is abutted by the first sliding rod, the second sliding rod and the hot melt cutting member. ### Claim 13 (depends on 12) The excrement collecting box according to claim 12, further comprising a sealing component and a detection unit, wherein the sealing component comprises a left side sealing portion and a right side sealing portion, the left side sealing portion and the right side sealing portion are capable of sliding relative to the housing, the left side sealing portion is configured to be closed with the right side sealing portion, the collecting bag is capable of being abutted by the sealing component, the detection unit is rotatably disposed on the left side sealing portion and the right side sealing portion, and the detection unit is configured to, in a case where the collecting bag is full, abut against the pet excrement to prevent the detection unit from rotating towards the bottom wall of the collecting bag. ### Claim 14 (depends on 1) The excrement collecting box according to claim 1, further comprising a sealing component and a detection unit, wherein the sealing component comprises a left side sealing portion and a right side sealing portion, the left side sealing portion and the right side sealing portion are capable of sliding relative to the housing, the left side sealing portion is configured to be closed with the right side sealing portion, the collecting bag is capable of being abutted by the sealing component, the detection unit is rotatably disposed on the left side sealing portion and the right side sealing portion, and the detection unit is configured to, in a case where the collecting bag is full, abut against the pet excrement to prevent the detection unit from rotating towards the bottom wall of the collecting bag. ### Claim 15 A method for using an excrement collecting box, the excrement collecting box comprising a housing, a packaging component and a collecting bag, the method comprising: driving the packaging component to a sealing position; and heating a hot melt cutting member comprised in the packaging component to seal and cut the collecting bag; wherein an opening is provided in the housing; wherein the packaging component further comprises a first sliding rod and a second sliding rod, the first sliding rod and the second sliding rod are set a a preset angle, the first sliding rod and the second sliding rod are slidably disposed on the housing separately, the first sliding rod and the second sliding rod are capable of simultaneously sliding towards the hot melt cutting member or simultaneously sliding away from the hot melt cutting member, and the hot melt cutting member is securely connected to the housing housing; wherein the collecting bag passes through the opening and is connected to the housing, the collecting bag is capable of being abutted by the first sliding rod, the second sliding rod and the hot melt cutting member, and the hot melt cutting member is configured to seal and cut the collecting bag. ### Claim 16 (depends on 15) The method according to claim 15, wherein a detection sensor and a prompt device are further disposed in the excrement collecting box, the detection sensor is configured to detect whether the cut collecting bag is removed, and the using method of an excrement collecting box further comprises: determining whether the cut collecting bag is removed, and based on a determination result that the cut collecting bag is removed, unfolding a new collecting bag; based on a determination result that the cut collecting bag is not removed, starting the prompt device to prompt a user.