Cleaning device

Patent metadata

Field	Value
Publication number	US-9975150-B2
Application number	US-201514443578-A
Country	US
Kind code	B2
Filing date	Apr 21, 2015
Priority date	Sep 23, 2014
Publication date	May 22, 2018
Grant date	May 22, 2018

Abstract

A cleaning device, which includes a clean water tank, a water pump and a cleaning head. A water outlet of the clean water tank is connected with the water pump, and a water outlet of the water pump is connected with the cleaning head through an outlet pipe. The cleaning device further includes an outlet control switch and a one-way water hydraulic control valve. The outlet control switch is provided on the outlet pipe; a water inlet of the one-way water hydraulic control valve is connected with the outlet pipe, and a joint of the water inlet of the one-way water hydraulic control valve and the outlet pipe is disposed between the outlet control switch and the water pump; and a water outlet of the one-way water hydraulic control valve is communicated with a water inlet of the clean water tank.

First claim

The invention claimed is:

1. A cleaning device, comprising:
a clean water tank,
a water pump,
a cleaning head, wherein a water outlet of the clean water tank is connected with the water pump, and a water outlet of the water pump is connected with the cleaning head through an outlet pipe,
an outlet control switch, and
a one-way water hydraulic control valve, wherein the outlet control switch is provided on the outlet pipe; a water inlet of the one-way water hydraulic control valve is connected with the outlet pipe, and a joint of the water inlet of the one-way water hydraulic control valve and the outlet pipe is disposed between the outlet control switch and the water pump; and a water outlet of the one-way water hydraulic control valve is communicated with a water inlet of the clean water tank;
wherein the one-way water hydraulic control valve includes a one-way valve inlet pipe, a one-way valve outlet pipe and a sealing hammer disposed within the one-way valve inlet pipe,
wherein the water inlet of the one-way water hydraulic control valve is disposed at one end of the one-way valve inlet pipe, and the other end of the one-way valve inlet pipe is provided with an end wall; one end of the one-way valve outlet pipe is hermetically sleeved at one end of the one-way valve inlet pipe provided with the end wall, and the other end of the one-way valve outlet pipe is provided with the water outlet of the one-way water hydraulic control valve; a cavity is formed between an outer wall of the one-way valve inlet pipe and an inner wall of the one-way valve outlet pipe; a leakage port communicated with the cavity is formed on a pipe wall of the inlet pipe; the sealing hammer is configured to slide along an inner wall of the one-way valve inlet pipe; an end surface of the sealing hammer is connected with the end wall of the one-way valve inlet pipe through a spring; and when the spring is in a free state, the sealing hammer completely seal the leakage port; and
wherein a water leaking direction of the leakage port is perpendicular to an extending direction of the one-way valve inlet pipe.

2. The cleaning device according to claim 1 , wherein the cleaning head includes a clean water outlet and a waste water collection port which is connected with a waste water pipe.

3. The cleaning device according to claim 1 , wherein the water inlet of the one-way water hydraulic control valve is connected with the outlet pipe through a tee pipe coupling disposed between the outlet control switch and the water pump.

4. The cleaning device according to claim 1 , wherein the sealing hammer includes a hammer head and a hammer handle; the hammer handle runs through the end wall of the one-way valve inlet pipe; a cross-sectional area of the hammer handle is less than that of the hammer head; the spring is sleeved on the hammer handle; and
one end of the spring is connected with the hammer head and the other end thereof is connected with the end wall of the one-way valve inlet pipe.

5. The cleaning device according to claim 4 , wherein the hammer head has a cylindrical structure; and an outer diameter of the hammer head is less than or equal to an inner diameter of the one-way valve inlet pipe.

6. The cleaning device according to claim 4 , wherein an O-ring seal is sleeved on an outer wall of the hammer head and disposed between the outer wall of the hammer head and the inner wall of the one-way valve inlet pipe.

7. The cleaning device according to claim 1 , wherein both the water inlet and the water outlet of the one-way water hydraulic control valve are provided with connecting threads.

8. The cleaning device according to claim 2 , wherein the water inlet of the one-way water hydraulic control valve is connected with the outlet pipe through a tee pipe coupling disposed between the outlet control switch and the water pump.

9. The cleaning device according to claim 2 , wherein the one-way water hydraulic control valve includes a one-way valve inlet pipe, a one-way valve outlet pipe and a sealing hammer disposed within the one-way valve inlet pipe.

10. The cleaning device according to claim 9 , wherein the water inlet of the one-way water hydraulic control valve is disposed at one end of the one-way valve inlet pipe, and the other end of the one-way valve inlet pipe is provided with an end wall; one end of the one-way valve outlet pipe is hermetically sleeved at one end of the one-way valve inlet pipe provided with the end wall, and the other end of the one-way valve outlet pipe is provided with the water outlet of the one-way water hydraulic control valve; a cavity is formed between an outer wall of the one-way valve inlet pipe and an inner wall of the one-way valve outlet pipe; a leakage port communicated with the cavity is formed on a pipe wall of the inlet pipe; the sealing hammer is configured to slide along an inner wall of the one-way valve inlet pipe; an end surface of the sealing hammer is connected with the end wall of the one-way valve inlet pipe through a spring; and when the spring is in a free state, the sealing hammer completely seal the leakage port.

11. The cleaning device according to claim 9 , wherein the sealing hammer includes a hammer head and a hammer handle; the hammer handle runs through the end wall of the one-way valve inlet pipe; a cross-sectional area of the hammer handle is less than that of the hammer head; the spring is sleeved on the hammer handle; and one end of the spring is connected with the hammer head and the other end thereof is connected with the end wall of the one-way valve inlet pipe.

12. The cleaning device according to claim 11 , wherein the hammer head has a cylindrical structure; and an outer diameter of the hammer head is less than or equal to an inner diameter of the one-way valve inlet pipe.

13. The cleaning device according to claim 11 , wherein an O-ring seal is sleeved on an outer wall of the hammer head and disposed between the outer wall of the hammer head and the inner wall of the one-way valve inlet pipe.

14. The cleaning device according to claim 3 , wherein the one-way water hydraulic control valve includes a one-way valve inlet pipe, a one-way valve outlet pipe and a sealing hammer disposed within the one-way valve inlet pipe.

15. The cleaning device according to claim 14 , wherein the water inlet of the one-way water hydraulic control valve is disposed at one end of the one-way valve inlet pipe, and the other end of the one-way valve inlet pipe is provided with an end wall; one end of the one-way valve outlet pipe is hermetically sleeved at one end of the one-way valve inlet pipe provided with the end wall, and the other end of the one-way valve outlet pipe is provided with the water outlet of the one-way water hydraulic control valve; a cavity is formed between an outer wall of the one-way valve inlet pipe and an inner wall of the one-way valve outlet pipe; a leakage port communicated with the cavity is formed on a pipe wall of the inlet pipe; the sealing hammer is configured to slide along an inner wall of the one-way valve inlet pipe; an end surface of the sealing hammer is connected with the end wall of the one-way valve inlet pipe through a spring; and when the spring is in a free state, the sealing hammer completely seal the leakage port.

16. The cleaning device according to claim 15 , wherein the sealing hammer includes a hammer head and a hammer handle; the hammer handle runs through the end wall of the one-way valve inlet pipe; a cross-sectional area of the hammer handle is less than that of the hammer head; the spring is sleeved on the hammer handle; and one end of the s

Assignees

• Boe Technology Group Co Ltd

Inventors

• Zhao Hui
• Wei Qiang
• Lv Xuewen

Classifications

• B08B3/02 Primary

  Cleaning by the force of jets or sprays · CPC title

• B08B2203/0205

  Bypass pressure relief valves · CPC title

• B08B3/00

  Cleaning by methods involving the use or presence of liquid or steam (B08B9/00 takes precedence) · CPC title

• B05B1/3093

  Recirculation valves, i.e. the valve element opens a passage to the nozzle and simultaneously closes at least partially a return passage the feeding means · CPC title

• Y02P70/36

  Cross-Sectional Technologies · mapped topic