A cleaning brush

Abstract

The invention discloses a cleaning brush, comprising a shell, a fluid delivery system and a fluid recovery system are arranged in the shell; a brush is arranged on the lower side of the end of the shell; the fluid delivery system comprises a fluid pipeline, and the fluid recovery system comprises a fluid recovery pipeline; the fluid delivery system also comprises a control valve, a first liquid spray port and a second liquid spray port; the control valve is arranged on the fluid pipeline, and the first liquid spray port and the second liquid spray port are both connected to the control valve; the first liquid spray port is arranged on the side wall of the fluid recovery pipeline and the first liquid spray port is connected to the fluid recovery pipeline; the second liquid spray port is arranged on the shell and the second liquid spray port is connected to the outside; the control valve controls the first liquid spray port to be turned on or the second liquid spray port to be turned on or the first liquid spray port and the second liquid spray port to be turned off. The cleaning brush has a self-cleaning function, which can keep the inside of the cleaning brush clean and avoid secondary contamination of the surface to be cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of sweeping and cleaning, and more specifically to a cleaning brush. Background Art

[0002] Suction cleaners are well-known surface cleaning devices used for deep cleaning of carpets and other fabric surfaces, such as upholstery. The cleaning brush is an accessory of the suction cleaner and is used in conjunction with a vacuum cleaner or a cleaner. The cleaning brush is provided with a fluid delivery system and a fluid recovery system; the fluid delivery system is used to deliver the cleaning liquid to the surface to be cleaned, and the fluid recovery system is used to extract dirty liquid and debris (which may include dirt, dust, stains, mud, hair and other debris, etc.) from the surface to be cleaned. The cleaning brush is provided with a bristle brush, which is used to scrub the surface to be cleaned. However, after the cleaning brush has been used for a long time, garbage is likely to remain inside, and bacteria are likely to grow, thereby causing secondary contamination to the surface to be cleaned. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a cleaning brush which has a self-cleaning function and can keep the inside of the cleaning brush clean to avoid secondary contamination of the surface to be cleaned.

[0004] The technical solution of the present invention is to provide a cleaning brush with the following structure, including a shell, in which a fluid delivery system and a fluid recovery system are arranged; a brush is arranged on the lower side of the end of the shell; the fluid delivery system includes a fluid pipeline, and the fluid recovery system includes a fluid recovery pipeline; the fluid delivery system also includes a control valve, a first spray port and a second spray port; the control valve is arranged on the fluid pipeline, and the first spray port and the second spray port are both connected to the control valve; the first spray port is arranged on the side wall of the fluid recovery pipeline and is connected to the fluid recovery pipeline; the second spray port is arranged on the shell and is connected to the outside; the control valve controls the connection of the first spray port or the connection of the second spray port or the cutoff of the first spray port and the second spray port.

[0005] After adopting the above structure, the cleaning brush of the present invention has the following advantages compared with the prior art:

[0006] Since the fluid delivery system of the cleaning brush of the present invention includes a control valve, a first liquid spray port and a second liquid spray port, the first liquid spray port is arranged on the side wall of the fluid recovery pipe and the first liquid spray port is connected to the fluid recovery pipe, and the second liquid spray port is arranged on the shell and the second liquid spray port is connected to the outside; the control valve controls the first liquid spray port or the second liquid spray port or cuts off the first liquid spray port and the second liquid spray port. When in use, the fluid is sprayed from the second liquid spray port onto the surface to be cleaned, and after the brush is cleaned, the dirty liquid is sucked and recovered through the fluid recovery pipe; the fluid sprayed from the first liquid spray port will be sucked into the cleaning brush by the fluid recovery pipe, which can rinse the inside of the cleaning brush and take away the garbage and dirt inside the cleaning brush, so that the inside of the cleaning brush can be kept clean and sanitary, and secondary pollution to the surface to be cleaned can be avoided, and it is very hygienic to use.

[0007] As an improvement, the control valve includes a valve body and a valve core; a slideway is provided in the valve body, and the valve core slides in the slideway; a first outlet and a second outlet are provided on the side wall of the slideway, and the first outlet is connected to the first liquid spraying port, and the second outlet is connected to the second liquid spraying port; the valve core is provided with a valve core channel and a liquid inlet and a liquid outlet connected to the valve core channel, and the liquid inlet is connected to the fluid pipeline; when the valve core moves to the first position, the liquid outlet is connected to the first outlet, when the valve core moves to the second position, the liquid outlet is in a closed state, and when the valve core moves to the third position, the liquid outlet is connected to the second outlet. After adopting this structure, the valve core slides in the slideway of the valve body, and the conduction and cutoff of the first outlet and the second outlet are controlled by changing the position of the valve core. The structure is simple and reliable, and it is also very convenient to use.

[0008] As an improvement, the liquid inlet is arranged on the end of the valve core, and the liquid outlet is arranged on the side wall of the valve core; the first outlet and the second outlet are both arranged at the position of the side wall of the slideway close to the liquid outlet; when the valve core slides in the slideway, the liquid outlet slides between the first outlet and the second outlet; when the liquid outlet is aligned with the first outlet, the valve core is in the first position, the liquid outlet is between the first outlet and the second outlet, the valve core is in the second position, the liquid outlet is aligned with the second outlet, and the valve core is in the third position. With this structure, the control valve structure is simple and reliable.

[0009] As an improvement, a joint is provided on the end of the valve body close to the first outlet, the joint is connected to the first outlet, and the joint is connected to the first liquid spraying port through a pipeline. With this structure, the connection structure between the first outlet and the first liquid spraying port is simpler by providing the joint.

[0010] As an improvement, a second nozzle is provided on the side wall of the valve body, and the second nozzle is connected to the second outlet; the second liquid spraying port is provided on the lower side of the side wall of the shell, and the second nozzle extends into the second liquid spraying port. With this structure, the second nozzle is provided on the side wall of the valve body, making the cleaning brush structure more compact, and the second nozzle extends into the second liquid spraying port, and the structure can also limit the position of the valve body.

[0011] As an improvement, one end of the slideway is provided with an opening, and one end of the valve core is exposed outside the valve body through the opening; a driving assembly is provided on the housing, and the driving assembly is connected to the end of the valve core exposed outside the valve body, and the driving assembly drives the valve core to slide back and forth in the slideway. After adopting this structure, the structure is simple and easy to use.

[0012] As an improvement, the driving assembly includes a rotating disk and a connecting piece, wherein the rotating disk is rotatably connected to the housing, and the connecting piece is fixedly connected to the rotating disk; the connecting piece is connected to the end of the valve core. With this structure, the valve core can be driven to move by rotating the rotating disk, and the control is very convenient.

[0013] As an improvement, the connecting member is provided with a toggle groove, the end of the valve core is provided with a toggle rod, and the end of the toggle rod is inserted into the toggle groove; rotating the turntable can drive the connecting member to rotate, thereby driving the toggle rod to slide in the toggle groove and drive the valve core to slide back and forth in the slideway. After adopting this structure, the valve core and the connecting member are connected through the structure of the toggle rod and the toggle groove, which has a simple structure and is easy to assemble.

[0014] As an improvement, a first nozzle is provided in the first liquid spraying port, and the first nozzle is connected to the joint through the pipeline. With this structure, the structure is simple and easy to assemble.

[0015] As an improvement, a sealing ring is provided on the side wall of the valve core and on both sides of the liquid outlet, and the sealing ring is sealed between the side wall of the valve core and the inner wall of the slide. With this structure, the sealing effect between the valve core and the inner wall of the slide is better, so that the fluid can only flow out from the first outlet or the second outlet.

[0016] As an improvement, a suction port is provided at the lower side of the end of the shell, and the suction port is connected to the fluid recovery pipe; the suction port is located at the front side of the brush, and the second liquid spray port is located at the rear side of the brush. After adopting this structure, the position arrangement relationship of the suction port, the brush and the second liquid spray port has a better cleaning effect.

[0017] As an improvement, a brush drive assembly is provided in the housing, and the brush drive assembly includes a driver and a transmission device; the driver is electrically connected to the control unit, and the transmission device is connected between the driver and the brush. With this structure, the brush is electrically driven by the brush drive assembly, which is convenient to use and has a good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the cleaning brush of the present invention.

[0019] Figure 2 It is a schematic diagram of the explosion structure of the cleaning brush of the present invention.

[0020] Figure 3 It is a schematic diagram of a partial exploded structure of the cleaning brush of the present invention.

[0021] Figure 4 It is a schematic diagram of the assembly structure of the brush and the transmission component of the cleaning brush of the present invention.

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the lower shell of the cleaning brush of the present invention.

[0023] Figure 6 It is a schematic diagram of the assembly structure of the valve body and valve core of the cleaning brush of the present invention.

[0024] Figure 7 It is a schematic cross-sectional structural diagram of the cleaning brush of the present invention when the valve body and the valve core are in the first position.

[0025] Figure 8 It is a schematic cross-sectional structural diagram of the cleaning brush of the present invention when the valve body and the valve core are in the second position.

[0026] Fig. 9 It is a schematic cross-sectional structural diagram of the cleaning brush of the present invention when the valve body and the valve core are in the third position.

[0027] As shown in the figure: 1. upper shell, 2. lower shell, 3. upper cover, 4. fluid recovery pipeline, 5. suction port, 6. brush, 601, connecting part, 602, brush part, 7. motor, 8. motor mounting seat, 801, mounting groove, 9. motor cover, 10. lower cover, 11. driving wheel, 12. driven wheel, 13. water inlet pipe, 14. control valve, 1401, valve body, 1402, valve core, 1403, slide, 1404, first outlet, 1405, second outlet, 1406, joint, 1407, valve core channel, 1408, liquid inlet, 1409, liquid outlet, 1410, toggle rod, 15. first liquid spray outlet, 16. second liquid spray outlet, 17. second nozzle, 18. first nozzle, 19. turntable, 20. connecting piece, 2001, toggle groove. DETAILED DESCRIPTION

[0028] In order to better understand the present application, a more detailed description of various aspects of the present application will be made with reference to the accompanying drawings. It should be understood that these detailed descriptions are only descriptions of exemplary embodiments of the present application, and do not limit the scope of the present application in any way. Throughout the specification, the same figure numerals refer to the same elements.

[0029] In the drawings, the thickness, size and shape of objects have been slightly exaggerated for ease of explanation. The drawings are only examples and are not drawn strictly to scale.

[0030] It should also be understood that the terms “comprises,” “including,” “has,” and “contains,” when used in this specification, indicate the presence of the described features, integers, steps, operations, elements, and / or parts, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, and / or combinations thereof.

[0031] like Figure 1 to Figure 2 As shown, the present application discloses a cleaning brush, including a housing, wherein the housing includes an upper housing 1 and a lower housing 2, wherein the upper housing 1 is connected to the lower housing 2, and an installation space is formed between the upper housing 1 and the lower housing 2. An upper cover 3 is connected to the upper housing 1.

[0032] A fluid recovery system is provided in the shell, and the fluid recovery system includes a fluid recovery pipe 4. The fluid recovery pipe 4 is provided between the upper cover 3 and the upper shell 1. A suction port 5 is formed between the lower end of the upper cover 3 and the lower end of the upper shell 1, and the suction port 5 is connected to the fluid recovery pipe 4. A brush 6 is rotatably connected to the lower side of the lower shell 2, and the suction port 5 is located in front of the brush 6. In this specific embodiment, two brushes 6 are provided.

[0033] like Figures 3 to 5As shown, a brush 6 driving assembly is provided in the installation space of the upper shell 1 and the lower shell 2, and the brush 6 driving assembly includes a driver and a transmission device. The driver is a motor 7, and a motor mounting seat 8 is provided on the lower shell 2. The motor mounting seat 8 is provided with a mounting groove 801, and a motor cover is connected to the motor mounting seat 8. The motor 7 is installed in the mounting groove 801 and the motor 7 is located in the space formed by the motor cover and the mounting seat 8. The motor 7 is electrically connected to the control unit of the cleaning brush.

[0034] The lower side of the lower shell 2 is connected with a lower cover 10, and a brush 6 installation space is provided between the lower cover 10 and the lower shell 2. The brush 6 includes a connecting portion 601 and a bristle portion 602. The lower cover 10 is provided with a through hole. The connecting portion 601 is installed in the brush 6 installation space, and the bristle portion 602 is exposed outside the lower cover 10 through the through hole. The connecting portion 601 is a gear-shaped structure, and adjacent connecting portions 601 are meshed with each other. The transmission device includes a driving wheel 11 and a driven wheel 12. The number of the driven wheels 12 corresponds to the number of the connecting portions 601. The driven wheels 12 are coaxially connected to the connecting portions 601 one by one, and adjacent driven wheels 12 are meshed with each other. The output shaft of the motor 7 passes through the side wall of the lower shell 2 and is exposed in the brush 6 installation space. The driving wheel 11 is connected to the output shaft of the motor 7, and the driving wheel 11 is meshed with one of the driven wheels 12. The motor 7 is started, and the output shaft of the motor 7 drives the driving wheel 11 to rotate, and the driving wheel 11 drives the driven wheel 12 to rotate, thereby driving the brush 6 to rotate.

[0035] like Figure 6 As shown, a fluid delivery system is provided in the housing, and the fluid delivery system includes a fluid pipeline. The fluid delivery system includes a water inlet pipe 13, a control valve 14, a first liquid spray port 15, and a second liquid spray port 16. The water inlet pipe 13 is provided in the end of the upper housing 1 away from the brush 6, and the water inlet pipe 13 is used to connect with the fluid channel of the cleaning device.

[0036] The control valve 14 is arranged on the fluid pipeline, and the control valve 14 includes a valve body 1401 and a valve core 1402. A slideway 1403 is arranged in the valve body 1401, and an opening is arranged at one end of the slideway 1403. A first outlet 1404 and a second outlet 1405 are arranged on the side wall of the slideway 1403, and the first outlet 1404 and the second outlet 1405 are both communicated with the inner cavity of the slideway 1403. A joint 1406 is arranged on the end of the valve body 1401 close to the first outlet 1404 (i.e., the end of the valve body 1401 away from the opening), and the joint 1406 is communicated with the first outlet 1404. A second nozzle 17 is arranged on the side wall of the valve body 1401, and the second nozzle 17 is communicated with the second outlet 1405; the second liquid spraying port 16 is arranged on the lower side of the side wall of the shell.

[0037] like Figures 7 to 9 As shown, a valve core 1402 is slidably fitted in the slideway 1403, and one end of the valve core 1402 passes through the opening of the slideway 1403 and is exposed outside the slideway 1403. A valve core channel 1407 is provided in the valve core 1402, and a liquid inlet 1408 and a liquid outlet 1409 are provided on the valve core 1402, and the liquid inlet 1408 and the liquid outlet 1409 are both connected to the valve core channel 1407. The liquid inlet 1408 is provided on the end of the valve core 1402 exposed outside the slideway 1403, and the liquid inlet 1408 is connected to the water inlet pipe 13 through a pipeline. The liquid outlet 1409 is provided on the side wall of the valve core 1402, and when the valve core 1402 slides in the slideway 1403, the liquid inlet 1408 slides between the first outlet 1404 and the second outlet 1405. Sealing rings are provided on the side walls of the valve core 1402 and on both sides of the liquid outlet 1409, and the sealing rings are sealed between the side walls of the valve core 1402 and the inner wall of the slideway 1403. When the liquid outlet 1409 is aligned with the first outlet 1404, the valve core 1402 is in the first position, and the liquid outlet 1409 is connected to the first outlet 1404, that is, the first outlet 1404 is connected. When the liquid outlet 1409 is between the first outlet 1404 and the second outlet 1405, the valve core 1402 is in the second position, and the liquid outlet 1409 is in a closed state. When the liquid outlet 1409 is aligned with the second outlet 1405, the valve core 1402 is in the third position, and the liquid outlet 1409 is connected to the second outlet 1405.

[0038] The first liquid spraying port 15 is provided on the side wall of the upper shell 1, and the first liquid spraying port 15 is connected to the fluid recovery pipe 4. The front end of the lower shell 2 is provided with a first nozzle 18, and the outlet of the first nozzle 18 extends into the first liquid spraying port 15. The first nozzle 18 is connected to the joint 1406 through a pipeline. The lower shell 2 is provided with a second liquid spraying port 16, and the second liquid spraying port 16 is located at the rear side of the brush 6, and the second nozzle 17 extends into the second liquid spraying port 16.

[0039] A driving assembly is provided on the lower housing 2 and at the rear side of the liquid spraying port, and the driving assembly includes a rotating disk 19 and a connecting member 20. A through hole is provided on the lower housing 2, and the rotating disk 19 is rotatably connected in the through hole and the lower side of the rotating disk 19 is exposed outside the lower housing 2. The connecting member 20 is fixedly connected to the rotating disk 19, and a toggle groove 2001 is provided on the connecting member 20. A toggle rod 1410 is provided on the end of the valve core 1402 exposed outside the valve body 1401, and the end of the toggle rod 1410 is inserted into the toggle groove 2001. Rotating the rotating disk 19 can drive the connecting member 20 to rotate, thereby driving the toggle rod 1410 to slide in the toggle groove 2001 and driving the valve core 1402 to slide back and forth in the slideway 1403.

[0040] When the cleaning brush of the present application is used, the turntable 19 is rotated, and when the liquid outlet 1409 is aligned with the first outlet 1404, the valve core 1402 is in the first position, the liquid outlet 1409 is connected with the first outlet 1404, the first outlet 1404 is connected, and the fluid is sprayed from the first nozzle 18. The fluid will be sucked into the interior of the cleaning brush by the fluid recovery pipe 4, and the interior of the cleaning brush can be rinsed to take away the garbage and dirt inside the cleaning brush. When the liquid outlet 1409 is between the first outlet 1404 and the second outlet 1405, the valve core 1402 is in the second position, and the liquid outlet 1409 is in a closed state. At this time, the first outlet 1404 and the second outlet 1405 are both cut off, and no fluid is sprayed from the first nozzle 18 and the second nozzle 17. When the liquid outlet 1409 is aligned with the second outlet 1405, the valve core 1402 is in the third position, the liquid outlet 1409 is connected to the second outlet 1405, the second outlet 1405 is connected, and the fluid is sprayed from the second nozzle 17, and the fluid is sprayed onto the surface to be cleaned. After the brush 6 cleans, the dirty liquid is sucked and recovered through the fluid recovery pipe 4.

[0041] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cleaning brush, comprising a shell, wherein a fluid delivery system and a fluid recovery system are arranged in the shell; a brush (6) is arranged on the lower side of the end of the shell; the fluid delivery system comprises a fluid pipeline, and the fluid recovery system comprises a fluid recovery pipeline (4); characterized in that: The fluid delivery system further comprises a control valve (14), a first liquid spray port (15) and a second liquid spray port (16); the control valve (14) is arranged on the fluid pipeline, and the first liquid spray port (15) and the second liquid spray port (16) are both connected to the control valve (14); the first liquid spray port (15) is arranged on the side wall of the fluid recovery pipeline (4) and is connected to the fluid recovery pipeline (4); the second liquid spray port (16) is arranged on the shell and is connected to the outside; the control valve (14) controls the first liquid spray port (15) or the second liquid spray port (16) to be connected or to be closed. The control valve (14) comprises a valve body (1401) and a valve core (1402); a slideway (1403) is provided in the valve body (1401), and the valve core (1402) is slidably fitted in the slideway (1403); a first outlet (1404) and a second outlet (1405) are provided on the side wall of the slideway (1403); the first outlet (1404) is connected to the first liquid spraying port (15), and the second outlet (1405) is connected to the second liquid spraying port (16); the valve core (1402) is provided with a valve core channel (1407) and a liquid inlet (1408) and a liquid outlet (1409) connected to the valve core channel (1407), wherein the liquid inlet (1408) is connected to the fluid pipeline; when the valve core (1402) moves to the first position, the liquid outlet (1409) is connected to the first outlet (1404); when the valve core (1402) moves to the second position, the liquid outlet (1409) is in a closed state; when the valve core (1402) moves to the third position, the liquid outlet (1409) is connected to the second outlet (1405); The liquid inlet (1408) is arranged on the end of the valve core (1402), and the liquid outlet (1409) is arranged on the side wall of the valve core (1402); the first outlet (1404) and the second outlet (1405) are both arranged on the side wall of the slideway (1403) near the liquid outlet (1409); when the valve core (1402) slides in the slideway (1403), the liquid outlet (1409) is located at the first outlet (1404). ) and the second outlet (1405); when the liquid outlet (1409) is aligned with the first outlet (1404), the valve core (1402) is in the first position; when the liquid outlet (1409) is between the first outlet (1404) and the second outlet (1405), the valve core (1402) is in the second position; when the liquid outlet (1409) is aligned with the second outlet (1405), the valve core (1402) is in the third position; An opening is provided at one end of the slideway (1403), and one end of the valve core (1402) passes through the opening and is exposed outside the valve body (1401); a driving component is provided on the shell, and the driving component is connected to the end of the valve core (1402) exposed outside the valve body (1401), and the driving component drives the valve core (1402) to slide back and forth in the slideway (1403); the driving component includes a rotating disk (19) and a connecting piece (20), and the driving component is connected to the end of the valve core (1402) exposed outside the valve body (1401). The turntable (19) is rotatably connected to the shell, and the connecting piece (20) is fixedly connected to the turntable (19); the connecting piece (20) is connected to the end of the valve core (1402); a suction port (5) is provided on the lower side of the end of the shell, and the suction port (5) is connected to the fluid recovery pipe (4); the suction port (5) is located on the front side of the brush (6), and the second liquid spray port (16) is located on the rear side of the brush (6).

2. The cleaning brush according to claim 1, characterized in that: A joint (1406) is provided on the end of the valve body (1401) close to the first outlet (1404); the joint (1406) is in communication with the first outlet (1404); and the joint (1406) is connected to the first liquid spraying port (15) via a pipeline.

3. The cleaning brush according to claim 1, characterized in that: A second nozzle (17) is provided on the side wall of the valve body (1401), and the second nozzle (17) is connected to the second outlet (1405); the second liquid spraying port (16) is provided on the lower side of the side wall of the shell, and the second nozzle (17) extends into the second liquid spraying port (16).

4. The cleaning brush according to claim 1, characterized in that: The connecting member (20) is provided with a toggle groove (2001), and the end of the valve core (1402) is provided with a toggle rod (1410), and the end of the toggle rod (1410) is inserted into the toggle groove (2001); rotating the rotating disk (19) can drive the connecting member (20) to rotate, thereby driving the toggle rod (1410) to slide in the toggle groove (2001), thereby driving the valve core (1402) to slide back and forth in the slideway (1403).

5. The cleaning brush according to claim 2, characterized in that: A first nozzle (18) is provided in the first liquid spraying port (15), and the first nozzle (18) is connected to the joint (1406) via the pipeline.

6. The cleaning brush according to claim 1, characterized in that: Sealing rings are provided on the side walls of the valve core (1402) and on both sides of the liquid outlet (1409), and the sealing rings are sealed between the side walls of the valve core (1402) and the inner wall of the slideway (1403).

7. The cleaning brush according to claim 1, characterized in that: A brush (6) drive assembly is arranged in the shell, and the brush (6) drive assembly comprises a driver and a transmission device; the driver is electrically connected to a control unit, and the transmission device is connected between the driver and the brush (6).

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