Cleaning device

Abstract

The utility model provides a cleaning device which comprises a main shell, a motor and a brush mechanism, the motor is fixedly installed in the main shell, the brush mechanism comprises a transmission box and a brush, a transmission assembly is arranged in the transmission box, the output end of the motor is in transmission connection with the input end of the transmission assembly, and the output end of the motor is in transmission connection with the input end of the brush. The transmission box is detachably installed in the main shell, the brush is fixedly connected with the output end of the transmission assembly, a water flow channel and an air flow channel are formed in the main shell, a water inlet port of the water flow channel is connected with a water source, a water outlet port of the water flow channel is connected with a water distribution assembly, and the air flow channel is connected with the water distribution assembly. An air outlet port of the airflow channel is connected with a negative pressure generating mechanism, and an air inlet port of the airflow channel is connected with a suction nozzle. The brush mechanism is detachably and fixedly connected with the main shell, when a brush needs to be cleaned or replaced and the brush mechanism needs to be repaired, a user can easily detach the whole brush mechanism and then install the brush mechanism by himself / herself, and use is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning tools, in particular to a cleaning device. Background Art

[0002] In the field of household cleaning, handheld negative pressure cleaning tools have gradually transitioned from the era of wired plug-in devices to the era of wireless devices with cordless vacuum cleaners and floor scrubbers as the mainstream. The restrictions of wire harnesses are eliminated, and the body has a highly free operating space, which greatly reduces the intensity of housework and greatly improves people's sense of happiness in life.

[0003] For example, the Chinese utility model patent with authorization announcement number CN218279518U discloses a cleaning machine, which specifically includes a floor brush module, a separation module for separating fluids, and a fan module for providing a negative pressure source. The floor brush module, separation module, and fan module are arranged in sequence along the flow path of the fluid, and the inlet end of the separation module is in fluid communication with the outlet end of the floor brush module, and the outlet end of the separation module is in fluid communication with the inlet end of the fan module. This utility model can be used to scrub floors, carpets, etc., but the brush component of the floor brush module of this utility model is fixedly connected to the cleaning machine and cannot be disassembled by the user for cleaning or replacement, or when the user needs to use a different cleaning brush head, it cannot be disassembled and installed by the user.

[0004] Therefore, the prior art still needs to be improved and developed for the above-mentioned defects. Summary of the Invention

[0005] The purpose of the utility model is to provide a cleaning device with a brush that is easy to disassemble and assemble, in view of the defects and shortcomings of the existing technology.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present utility model is as follows:

[0007] The utility model provides a cleaning device, which is mainly used on a handheld cleaning machine. It is assembled and used together with the handle of the handheld cleaning machine, and can specifically clean and maintain carpets, floors, fabrics, etc. The utility model includes a main shell, a motor and a brush mechanism. The motor is fixedly installed inside the main shell, and the motor can be a reduction motor.

[0008] The brush mechanism includes a transmission box and a brush. A transmission assembly is provided in the transmission box. The output end of the motor is transmission-connected to the input end of the transmission assembly. The transmission box is detachably mounted in the main shell. The brush is fixedly connected to the output end of the transmission assembly. A water flow channel and an air flow channel are formed in the main shell. The water inlet port of the water flow channel is connected to a water source, the water outlet port of the water flow channel is connected to a water diversion assembly, the air outlet port of the air flow channel is connected to a negative pressure generating mechanism, and the air inlet port of the air flow channel is connected to a suction nozzle. Specifically, a water tank (i.e., the water source), a vacuum suction motor (i.e., the negative pressure generating mechanism) and a sewage tank are provided on the handle. When working, the air flow channel simultaneously allows gas, sewage and dust to flow through. Through the above-mentioned structural arrangement, when the utility model is working, the water-dividing component wets the surface to be cleaned, and the brush automatically scrubs the surface to be cleaned, and the sewage generated by scrubbing is driven by the negative pressure generated by the negative pressure generating mechanism, so that the airflow drives the dust and sewage through the airflow pipe into the sewage tank. In addition, the brush mechanism is detachably fixedly connected to the main shell of the device. When it is necessary to clean or replace the brush or repair the brush mechanism, the user can easily disassemble the entire brush mechanism and then install it by themselves, which is convenient to use.

[0009] According to the above solution, the transmission assembly includes a main gear and several slave gears, and the brush includes a main brush and several auxiliary brushes. The main gear meshes with the slave gears for transmission, the upper end of the main gear is connected to the output end of the motor, the lower end of the main gear is detachably fixedly connected to the main brush, and the lower end of the slave gear is detachably fixedly connected to the auxiliary brush. Through the above structural arrangement, during the rotation of the main brush, the meshing transmission of the main gear and the slave gear can drive the several auxiliary brushes to rotate in a relative motion with the main brush, that is, when the main brush rotates clockwise for cleaning, the auxiliary brushes will rotate counterclockwise for cleaning, which can improve the efficiency and cleanliness of brushing.

[0010] According to the above solution, there are two slave gears, one on each side of the master gear. Through the above structural arrangement, the transmission box can be configured as a rectangular parallelepiped structure based on the master gear and the slave gear, which is convenient for integration and installation in the main housing, taking up little space, and at the same time, three brushes can meet the needs of scrubbing.

[0011] According to the above scheme, the transmission assembly also includes several bearings, the upper end of the main gear is provided with a first shaft hole, the lower end of the main gear is provided with a first transmission shaft, the upper end of the slave gear is provided with a second transmission shaft, the lower end of the slave gear is provided with a second shaft hole, the upper end of the main brush is provided with a third shaft hole, the upper end of the auxiliary brush is provided with a third transmission shaft, the upper side wall of the transmission box is provided with a first main through hole, the lower side wall of the transmission box is provided with a second main through hole and a plurality of second secondary through holes, the output end of the motor is inserted into the first shaft hole through the first main through hole, the first transmission shaft is inserted into the third shaft hole through the second main through hole, the outer ring of the bearing is fixedly connected to the inside of the transmission box, the inner ring of the bearing is fixedly connected to the second transmission shaft, and the third transmission shaft is inserted into the second shaft hole through the second secondary through hole. Through the above structural setting, the main gear and the slave gear can achieve effective linkage, thereby driving the main brush and the auxiliary brush to work simultaneously.

[0012] The utility model further includes a motor base, which is fixed within the main housing. The motor is fixedly mounted on the motor base. The transmission box is provided with a buckle, and a slot is provided at the lower end of the motor base. The buckle is removably engaged with the slot. This structural arrangement enables transmission between the transmission assembly within the transmission box and the motor, and facilitates assembly and disassembly of the transmission box.

[0013] According to the above scheme, the water diversion assembly is mounted at the front end of the main housing, the suction nozzle is mounted at the rear end of the main housing, and the brush is positioned between the water diversion assembly and the suction nozzle. This structural arrangement, i.e., arranged according to conventional cleaning procedures, allows the surface to be wetted first, then scrubbed with the brush, and finally, the suction nozzle removes wastewater, dust, etc., into the wastewater tank, achieving a good cleaning effect.

[0014] According to the above solution, the water diverter assembly includes a diverter seat and a diverter. The diverter seat is fixedly mounted inside the main housing. The water inlet port of the diverter seat is fixedly connected to the water outlet port of the water flow channel, and the water outlet port of the diverter seat is fixedly connected to the water inlet port of the diverter. This structural arrangement allows water from the water tank to undergo multiple stages of diversion, making the water output more uniform and stable, and facilitating cleaning.

[0015] The utility model also includes a nozzle cover that is removably mounted on the outside of the main housing. Several nozzles are mounted on the lower end of the nozzle cover. An air inlet port connecting the airflow channel and a cavity for the nozzles is formed between the nozzle cover and the main housing. This structure allows for the removal of wastewater and dust from the cleaning surface the cleaning machine passes over. Furthermore, if a nozzle becomes clogged, the nozzle cover can be removed for cleaning.

[0016] According to the above solution, the main housing is provided with a release assembly for disassembling and assembling the handle, the release assembly comprising a release bracket, a release button, and a spring. The release button is provided with a key, a limit block, and a guide block. The release bracket is provided with a guide groove and a spring limit block. The main housing is provided with a first through hole and a second through hole. The release bracket is fixedly mounted inside the main housing. The first end of the spring is sleeved on the spring limit block, and the second end of the spring abuts against the rear side of the key. The guide block is slidably disposed in the guide groove. The key extends outward through the first through hole. The limit block passes through the second through hole and engages with the handle. The release assembly is provided in two groups, and is respectively arranged on the left and right sides of the rear end of the main housing. Through the above structural arrangement, when the handle needs to be separated from the main housing, the key is directly pressed, and the key drives the limit block to move inward, thereby detaching from the handle, making disassembly simple.

[0017] According to the above solution, a guide buckle is provided on the rear side of the main housing, and the guide buckle is buckled with the handle. Through the above structural arrangement, the assembly efficiency of the handle and the present invention can be improved.

[0018] Beneficial effects of the utility model:

[0019] When the utility model is working, the water-dividing component sprays the surface to be cleaned with water, and the brush automatically scrubs the surface to be cleaned, and the sewage generated by scrubbing is driven by the negative pressure generated by the negative pressure generating mechanism, so that the airflow drives the dust and sewage through the airflow duct and enters the sewage tank. In addition, the brush mechanism and the main shell of the device are detachably fixedly connected. Specifically, the brush mechanism and the main shell can be connected by means of snap connection, screw connection and magnetic attraction. When it is necessary to clean or replace the brush or repair the brush mechanism, the user can easily disassemble the entire brush mechanism and then install it by themselves, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the decomposition structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the external structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the bottom structure of the utility model;

[0023] Figure 4 This is a schematic diagram of disassembling the transmission box of the present utility model;

[0024] Figure 5 It is a schematic diagram of the waterway of the utility model;

[0025] Figure 6 It is a gas path schematic diagram of the utility model;

[0026] Figure 7 It is a schematic diagram of the structural decomposition of the release component of the utility model.

[0027] In the figure: 1. Main housing; 2. Motor; 3. Brush mechanism; 4. Water distribution assembly; 5. Suction nozzle cover; 6. Release assembly; 11. Water inlet port; 12. Air outlet port; 13. First through hole; 14. Second through hole; 15. Guide buckle; 21. Motor seat; 31. Transmission box; 32. Main gear; 33. Slave gear; 34. Main brush; 35. Auxiliary brush; 36. Bearing; 41. Water distributor seat; 42. Water distributor; 51. Suction nozzle; 61. Release bracket; 62. Release button; 63. Spring; 211. Slot; 311. Transmission box upper cover; 312. Transmission box lower cover; 313. First main through hole; 314. Second main through hole; 315. Second auxiliary through hole; 316. Buckle; 321. First shaft hole; 331. Second transmission shaft; 341. Third shaft hole; 351. Third transmission shaft; 611, guide groove; 612, spring limit block; 621, button; 622, limit block; 623, guide block. DETAILED DESCRIPTION

[0028] The technical solution of the present utility model is described below with reference to the accompanying drawings and embodiments. Example

[0029] The utility model provides a cleaning device, which is mainly used in a handheld cleaning machine and is assembled and used together with a handle (not shown in the figure) of the handheld cleaning machine. Figure 1-7 As shown, the utility model includes a main housing 1, a motor 2, a motor seat 21 and a brush mechanism 3. The motor seat 21 is fixed inside the main housing 1, and the motor 2 is fixedly mounted on the motor seat 21. The motor 2 is a reduction motor.

[0030] The brush mechanism 3 includes a transmission box 31 and a brush. The transmission box 31 is provided with a transmission assembly. The output end of the motor 2 is connected to the input end of the transmission assembly. The transmission box 31 is detachably mounted in the main housing 1. The brush is fixedly connected to the output end of the transmission assembly. Figure 5 and 6As shown, a water flow channel and an air flow channel are formed in the main shell 1, wherein the arrow indicates the direction of fluid flow, the water inlet port 11 of the water flow channel is connected to the water source, the water outlet port of the water flow channel is connected to the water distribution component 4, the air outlet port 12 of the air flow channel is connected to the negative pressure generating mechanism, and the air inlet port of the air flow channel is connected to the suction nozzle 51. Specifically, the handle is provided with a water tank (i.e., the water source), a vacuum suction motor (i.e., the negative pressure generating mechanism) and a sewage tank. When working, the air flow channel simultaneously allows gas, sewage and dust to flow through. Through the above-mentioned structural arrangement, when the utility model is working, the water-dividing component 4 sprays the surface to be cleaned with water, and the brush automatically scrubs the surface to be cleaned, and the sewage generated by scrubbing is driven by the negative pressure generated by the negative pressure generating mechanism, so that the airflow drives the dust and sewage through the airflow pipe into the sewage tank, which can be used to clean and maintain carpets, floors, fabrics, etc. In addition, the brush mechanism 3 is detachably fixedly connected to the main shell 1 of the device. Specifically, the brush mechanism 3 and the main shell 1 can be connected by means of snap connection, screw connection and magnetic attraction. When it is necessary to clean or replace the brush or repair the brush mechanism 3, the user can easily disassemble the brush mechanism 3 as a whole and then install it by themselves, which is convenient to use.

[0031] Specifically, the transmission assembly includes a main gear 32 and a plurality of slave gears 33, and the brushes include a main brush 34 and a plurality of auxiliary brushes 35. The main gear 32 is meshed with the slave gears 33 for transmission. The upper end of the main gear 32 is in transmission connection with the output end of the motor 2, the lower end of the main gear 32 is detachably fixedly connected to the main brush 34, and the lower end of the slave gear 33 is detachably fixedly connected to the auxiliary brush 35. Through the above-mentioned structural arrangement, during the rotation of the main brush 34, the meshing transmission of the main gear 32 and the slave gear 33 can drive the plurality of auxiliary brushes 35 to rotate in a manner relative to the main brush 34. That is, when the main brush 34 rotates clockwise for cleaning, the auxiliary brushes 35 will rotate counterclockwise for cleaning, thereby improving the efficiency and cleanliness of the brushing.

[0032] Furthermore, two slave gears 33 are provided, one on each side of the master gear 32. With the above-described structural arrangement, the transmission box 31 can be configured as a rectangular parallelepiped structure based on the master gear 32 and the slave gear 33, making it easy to integrate and install within the main housing 1, taking up little space, while the three brushes can meet the needs of scrubbing.

[0033] Furthermore, the transmission assembly further includes a plurality of bearings 36, a first shaft hole 321 is provided at the upper end of the main gear 32, a second transmission shaft (not shown in the figure) is provided at the lower end of the main gear 32, a second transmission shaft 331 is provided at the upper end of the slave gear 33, a second shaft hole (not shown in the figure) is provided at the lower end of the slave gear 33, a third shaft hole 341 is provided at the upper end of the main brush 34, a third transmission shaft 351 is provided at the upper end of the auxiliary brush 35, a first main through hole 313 is provided on the upper side wall of the transmission box 31, and the transmission The lower sidewall of the box 31 is provided with a second main through-hole 314 and several second secondary through-holes 315. The output end of the motor 2 is inserted into the first shaft hole 321 through the first main through-hole 313. The second transmission shaft is inserted into the third shaft hole 341 through the second main through-hole 314. The outer ring of the bearing 36 is fixedly connected to the interior of the transmission box 31, and the inner ring of the bearing 36 is fixedly connected to the second transmission shaft 331. The third transmission shaft 351 is inserted into the second shaft hole through the second secondary through-hole 315. Through this structural arrangement, the main gear 32 and the slave gear 33 can achieve effective linkage, thereby driving the main brush 34 and the secondary brush 35 to operate simultaneously. In this embodiment, the first shaft hole 321, the second shaft hole and the third shaft hole 341 are all hexagonal holes or other non-circular holes, and the output end of the motor 2, that is, the output shaft of the motor 2, the second transmission shaft, and the third transmission shaft 351 are all hexagonal cylinders or other non-circular cylinders. The second transmission shaft of the main gear 32 is inserted into the first shaft hole 321 of the main brush 34 and is fixed with screws. The third transmission shaft 351 of the auxiliary brush 35 is inserted into the second shaft hole of the slave gear 33 and is also fixed with screws.

[0034] Furthermore, the transmission box 31 is provided with a latch 316, and the lower end of the motor base 21 is provided with a latch slot 211. The latch 316 is removably latched to the latch slot 211. This structural arrangement enables transmission between the transmission assembly within the transmission box 31 and the motor 2, and facilitates assembly and disassembly of the transmission box 31. In this embodiment, the transmission box preferably comprises an upper transmission box cover 311 and a lower transmission box cover 312, which are fixedly connected in an upper and lower manner.

[0035] Specifically, the water diversion assembly 4 is mounted on the front end of the main housing 1, the suction nozzle 51 is mounted on the rear end of the main housing 1, and the brush is disposed between the water diversion assembly 4 and the suction nozzle 51. With the above-described structural arrangement, i.e., arranged according to conventional cleaning procedures, it is possible to first wet the surface to be cleaned, then scrub it with the brush, and finally use the suction nozzle 51 to remove the sewage, dust, etc. into the sewage tank, achieving a good cleaning effect.

[0036] Specifically, the water diverter assembly 4 includes a diverter seat 41 and a diverter 42. The diverter seat 41 is fixedly mounted within the main housing 1. The water inlet port 11 of the diverter seat 41 is fixedly connected to the water outlet port of the water flow channel, and the water outlet port of the diverter seat 41 is fixedly connected to the water inlet port 11 of the diverter 42. This structural arrangement allows water to be diverted in multiple stages after exiting the water tank, resulting in a more uniform and stable water output, which is beneficial for cleaning.

[0037] Furthermore, the present invention further includes a nozzle cover 5, which is detachably mounted on the outside of the main housing 1. A plurality of nozzles 51 are disposed at the lower end of the nozzle cover 5. A cavity connecting an air inlet port of the airflow channel and the nozzles 51 is formed between the nozzle cover 5 and the main housing 1. This structure allows for the removal of wastewater and dust from the cleaning surface that the cleaning machine passes over. Furthermore, if a nozzle 51 becomes clogged, the nozzle cover 5 can be directly removed for cleaning.

[0038] Furthermore, the main shell 1 is provided with a release component 6 for disassembling and assembling the handle, and the release component 6 includes a release bracket 61, a release button 62 and a spring 63. The release button 62 is provided with a button 621, a limit block 622 and a guide block 623. The release bracket 61 is provided with a guide groove 611 and a spring limit block 612. The main shell 1 is provided with a first through hole 13 and a second through hole 14. The release bracket 61 is fixedly installed inside the main shell 1. The first end of the spring 63 is sleeved on the spring limit block 612, and the second end of the spring 63 is against the rear side of the button 621. The guide block 623 can be reciprocatingly slidably placed in the guide groove 611. The button 621 extends to the outside through the first through hole 13, and the limit block 622 is clamped with the handle through the second through hole 14. The release component 6 is provided with two groups, and is respectively arranged on the left and right sides of the rear end of the main shell 1. With the above-mentioned structural arrangement, when the handle needs to be separated from the main housing 1 , the button 621 is directly pressed, and the button 621 drives the limit block 622 to move inward, thereby separating from the handle, making disassembly simple.

[0039] Furthermore, a guide buckle 15 is provided on the rear side of the main housing 1, and the guide buckle 15 is buckled with the handle. Through the above-mentioned structural arrangement, the assembly efficiency of the handle and the present invention can be improved.

[0040] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A cleaning device comprising a main housing (1), a motor (2) and a brush mechanism (3), wherein the motor (2) is fixedly mounted inside the main housing (1). It is characterized by: The brush mechanism (3) comprises a transmission box (31) and a brush, a transmission assembly is provided in the transmission box (31), the output end of the motor (2) is in transmission connection with the input end of the transmission assembly, the transmission box (31) is detachably mounted in the main housing (1), the brush is fixedly connected to the output end of the transmission assembly, a water flow channel and an air flow channel are formed in the main housing (1), the water inlet port (11) of the water flow channel is connected to a water source, the water outlet port of the water flow channel is connected to a water distribution assembly (4), the air outlet port (12) of the air flow channel is connected to a negative pressure generating mechanism, and the air inlet port of the air flow channel is connected to a suction nozzle.

2. The cleaning device according to claim 1, characterized in that The transmission assembly includes a main gear (32) and a plurality of slave gears (33), and the brush includes a main brush (34) and a plurality of auxiliary brushes (35). The main gear (32) and the slave gear (33) are meshed and transmitted, the upper end of the main gear (32) is transmission-connected to the output end of the motor (2), the lower end of the main gear (32) is detachably fixedly connected to the main brush (34), and the lower end of the slave gear (33) is detachably fixedly connected to the auxiliary brush (35).

3. The cleaning device according to claim 2, characterized in that Two slave gears (33) are provided, and are respectively arranged on the left and right sides of the master gear (32).

4. The cleaning device according to any one of claims 2-3, characterized in that: The transmission assembly further comprises a plurality of bearings (36), the upper end of the main gear (32) is provided with a first shaft hole (321), the lower end of the main gear (32) is provided with a first transmission shaft, the upper end of the slave gear (33) is provided with a second transmission shaft (331), the lower end of the slave gear (33) is provided with a second shaft hole, the upper end of the main brush (34) is provided with a third shaft hole (341), the upper end of the auxiliary brush (35) is provided with a third transmission shaft (351), the upper side wall of the transmission box (31) is provided with a first main through hole (313), and the lower side wall of the transmission box (31) is provided with a A second main through hole (314) and a plurality of second secondary through holes (315), the output end of the motor (2) passes through the first main through hole (313) and is inserted into the first shaft hole (321), the first transmission shaft passes through the second main through hole (314) and is inserted into the third shaft hole (341), the outer ring of the bearing (36) is fixedly connected to the inside of the transmission box (31), the inner ring of the bearing (36) is fixedly connected to the second transmission shaft (331), and the third transmission shaft (351) passes through the second secondary through hole (315) and is inserted into the second shaft hole.

5. The cleaning device according to claim 1, characterized in that The motor base (21) is fixed inside the main housing (1), the motor (2) is fixedly mounted on the motor base (21), a buckle (316) is provided on the transmission box (31), a slot (211) is provided at the lower end of the motor base (21), and the buckle (316) is detachably buckled on the slot (211).

6. The cleaning device according to claim 1, characterized in that The water distribution assembly (4) is mounted on the front end of the main housing (1), the suction nozzle (51) is mounted on the rear end of the main housing (1), and the brush is arranged between the water distribution assembly (4) and the suction nozzle (51).

7. The cleaning device according to claim 1, characterized in that The water diverter assembly (4) comprises a water diverter seat (41) and a water diverter (42); the water diverter seat (41) is fixedly mounted inside the main housing (1); the water inlet port (11) of the water diverter seat (41) is fixedly connected to the water outlet port of the water flow channel; and the water outlet port of the water diverter seat (41) is fixedly connected to the water inlet port (11) of the water diverter (42).

8. The cleaning device according to claim 1, wherein The invention also includes a nozzle cover (5), wherein the nozzle cover (5) is detachably provided on the outside of the main shell (1), and a plurality of nozzles (51) are provided at the lower end of the nozzle cover (5), and an air inlet port connecting the air flow channel and a cavity of the nozzles (51) are formed between the nozzle cover (5) and the main shell (1).

9. The cleaning device according to claim 1, characterized in that The main housing (1) is provided with a release assembly (6) for disassembling and assembling the handle, the release assembly (6) comprising a release bracket (61), a release button (62) and a spring (63), the release button (62) being provided with a key (621), a limit block (622) and a guide block (623), the release bracket (61) being provided with a guide groove (611) and a spring limit block (612), the main housing (1) being provided with a first through hole (13) and a second through hole (14), the release bracket (61) being fixedly mounted on the main housing (1), the first end of the spring (63) is sleeved on the spring limit block (612), the second end of the spring (63) is against the rear side of the button (621), the guide block (623) is reciprocatingly slidable in the guide groove (611), the button (621) extends outward through the first through hole (13), the limit block (622) passes through the second through hole (14) and is engaged with the handle, and the release assembly (6) is provided with two groups, which are respectively arranged on the left and right sides of the rear end of the main shell (1).

10. The cleaning device according to claim 9, characterized in that A guide buckle (15) is provided on the rear side of the main housing (1), and the guide buckle (15) is buckled with the handle.

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