A cleaning device for omnidirectional wheels of electric wheelchairs

Abstract

A cleaning device for omnidirectional wheels of an electric wheelchair includes a housing assembly and a cleaning assembly. The housing assembly includes a housing, a housing cover plate on top of the housing, and a bottom plate at the bottom of the housing. The housing has a dirt collection tank inside. A water inlet is located on one side wall, and a drain is located on the other side wall. Multiple horizontally parallel first square tubes are arranged on one side of the dirt collection tank. Second square tubes perpendicular to the first square tubes are located at both ends of each first square tube. The upper surfaces of the first and second square tubes are coplanar, and a central bottom plate is laid on top of the first and second square tubes. Two symmetrically distributed water-resistant plates are distributed on the central bottom plate. The two water-resistant plates, the central bottom plate, the bottom bottom plate, and the inner wall of the housing constitute a sealed water chamber. Water flows into the sealed water chamber through the water inlet, along the sealed water chamber to the dirt collection tank, and is discharged through the drain. This invention is used for multi-angle cleaning of the omnidirectional wheels on the omnidirectional wheel assembly, which improves the cleaning effect.

Description

Technical Field

[0001] This invention relates to the field of electric wheelchair technology, and more specifically to a cleaning device for omnidirectional wheels of electric wheelchairs. Background Technology

[0002] The omnidirectional wheel assembly of an electric wheelchair consists of multiple omnidirectional wheels distributed around the omnidirectional wheel frame, and each individual omnidirectional wheel in the assembly can rotate. During the manufacturing process, the omnidirectional wheel assembly of the front wheels is prone to accumulating dirt, especially dust, causing the omnidirectional wheel assembly to fail to meet cleanliness requirements. Moreover, existing cleaning devices are mostly designed for ordinary tires and cannot adapt to the multi-angle rotation of multiple omnidirectional wheels in the omnidirectional wheel assembly, resulting in low cleaning coverage and poor cleaning effect. Summary of the Invention

[0003] The purpose of this invention is to provide a cleaning device for omnidirectional wheels of electric wheelchairs, which can effectively solve the technical problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A cleaning device for an omnidirectional wheelchair wheelchair includes a housing assembly and a cleaning assembly. The housing assembly includes a housing, a housing cover plate on top of the housing, and a bottom plate at the bottom of the housing. The housing has a sludge collection trough inside, a water inlet on one side wall, and a drain on the other side wall. Multiple horizontally parallel first square tubes are arranged on one side of the sludge collection trough. Second square tubes perpendicular to the first square tubes are respectively arranged at both ends of the first square tubes. The upper surfaces of the first and second square tubes are coplanar, and a central bottom plate is laid on top of the first and second square tubes. Two symmetrically distributed water-resistant plates are distributed on the central bottom plate. The two water-resistant plates, the central bottom plate, the bottom bottom plate, and the housing are all present in the assembly. The inner wall of the body forms a sealed water tank. Water flows into the sealed water tank through the water inlet, along the sealed water tank to the sludge collection tank, and is discharged through the drain connector. Two sets of symmetrically arranged cleaning components are set between the two baffles. The cleaning components include a soft cloth roller and polyurethane rollers set on both sides of the soft cloth roller. The soft cloth roller and polyurethane roller are placed in parallel. The transmission component drives the soft cloth roller and polyurethane roller to rotate. The top of the box cover has a cleaning slot. The omnidirectional wheel assembly on the electric wheelchair passes through the cleaning slot and is supported on the two polyurethane rollers on the cleaning component. At the same time, the soft cloth roller rotates at the bottom of the omnidirectional wheel assembly and cleans the omnidirectional wheel assembly. The soft cloth roller is arranged at an angle relative to the omnidirectional wheel assembly.

[0006] Preferably, a transmission assembly is provided on the outer side of the two water-blocking plates. The transmission assembly includes a motor, which is mounted on a motor bracket. The motor bracket is located on a sixth square tube. The pulley at the output end of the motor is connected to a pulley at one end of a polyurethane roller in the cleaning assembly via a transmission belt. The pulleys at the ends of the two polyurethane rollers in the cleaning assembly are respectively connected to the pulleys at the ends of the soft cloth rollers via transmission belts.

[0007] Preferably, the box cover is provided with a polyurethane positioning block and a polyurethane limiting plate, the two front frames connecting the two omnidirectional wheel assemblies on the electric wheelchair are respectively located on both sides of the polyurethane positioning block, and the connecting rod connecting the two front frames is located in the limiting groove on the polyurethane limiting plate.

[0008] Preferably, the soft cloth roller is arranged at a 45-degree angle relative to the omnidirectional wheel assembly.

[0009] Preferably, the baffle plate includes a first baffle plate arranged along the length direction, a second baffle plate is vertically connected to one end of the first baffle plate facing the sludge collection tank, and a third baffle plate is connected to the other end of the first baffle plate. The other end of the second baffle plate extends to the inner wall of the tank, and the third baffle plate opens outward and extends to the inner wall of the tank.

[0010] Preferably, the housing includes a front panel, a rear panel, a left panel, and a right panel, with the water inlet connector located on the front panel and the drain connector located on the left panel.

[0011] Preferably, the two ends of the first square tube are respectively connected to the second square tube, the side wall of the second square tube is attached to the inner wall of the box, the bottom of the sludge collection tank is provided with a first support column, the top of the second square tube is provided with a second support column, and the second support column adjacent to the first support column is connected to the first support column through a third square tube.

[0012] Preferably, the two ends of the soft cloth roller are respectively mounted on the fourth square tube via the first bearing support seat, and the two ends of the polyurethane roller are respectively mounted on the fifth square tube via the second bearing support seat.

[0013] Preferably, the box cover includes a rear patterned plate, a middle patterned plate, and a front patterned plate. The front and rear patterned plates are respectively installed on the front and rear panels via hinges, and handles are installed on the rear, middle, and front patterned plates.

[0014] Preferably, the front panel, rear panel, left panel, and right panel are all made of stainless steel, the transmission belt is made of polyurethane, and the rear patterned plate, middle patterned plate, and front patterned plate are all made of stainless steel.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] Before cleaning, place the two omnidirectional wheel assemblies, which serve as the two front wheels of the electric wheelchair, into the cleaning slots on the cover plate of the box, and ensure that each omnidirectional wheel assembly is supported on the two polyurethane rollers on the corresponding cleaning component. The bottom of the omnidirectional wheel assembly is pressed against the soft cloth roller. Then, place the two front frames connecting the two omnidirectional wheel assemblies on the electric wheelchair on both sides of the polyurethane positioning block, and then place the connecting rod connecting the two front frames in the limiting groove on the polyurethane limiting plate so that the omnidirectional wheel assembly to be cleaned remains stable during the cleaning process. Water flows into the sealed water chamber inside the tank through the inlet connector. After passing through the cleaning components between the sealed water chambers and the omnidirectional wheel assembly supported on the cleaning components, the water enters the sludge collection tank and is discharged through the drain connector. The sealed water chamber, which is composed of two baffles, a middle bottom plate, a bottom bottom plate, and the inner wall of the tank, forms a water flow channel. The water flow in the water flow channel cleans the soft cloth roller in the cleaning components, and the sludge collection tank settles dirt. A valve is provided at the inlet connector to control the water flow. The upper edge of the drain connector is flush with the design water level to achieve an overflow function.

[0017] When the motor in the transmission assembly is started, it drives the two polyurethane rollers in the cleaning assembly to rotate, causing the entire omnidirectional wheel assembly to rotate relative to the soft cloth roller. This allows the soft cloth roller to clean each individual omnidirectional wheel in the omnidirectional wheel assembly. At the same time, because the soft cloth roller is arranged at a 45-degree angle relative to the omnidirectional wheel assembly, it comes into contact with the side of each individual omnidirectional wheel in the omnidirectional wheel assembly, and the soft cloth roller and the individual omnidirectional wheel rotate relative to each other, improving the cleaning effect and efficiency of each individual omnidirectional wheel in the omnidirectional wheel assembly. Attached Figure Description

[0018] Figure 1 This is a first-view schematic diagram of a cleaning device for an omnidirectional wheelchair in an embodiment of the present invention;

[0019] Figure 2 This is a second-view schematic diagram of a cleaning device for an omnidirectional wheelchair in an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the installation of the cleaning component in an embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the installation of the central base plate in an embodiment of the present invention;

[0022] Figure 5 This is a schematic diagram of the installation of the first square tube in an embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram of the cleaning component in an embodiment of the present invention;

[0024] Figure 7 This is a schematic diagram of the transmission assembly in an embodiment of the present invention;

[0025] In the diagram, 1. Bottom plate, 2. Water inlet connector, 3. Drain connector, 4. First square tube, 5. Second square tube, 6. Middle bottom plate, 7. Soft cloth roller, 8. Polyurethane roller, 9. Cleaning trough, 10. Omnidirectional wheel assembly, 11. Motor, 12. Motor bracket, 13. Sixth square tube, 14. Pulley, 15. Drive belt, 16. Polyurethane positioning block, 17. Polyurethane limiting plate, 18. Front frame, 19. Connecting rod, 20. 21. First partition, 22. Second partition, 23. Third partition, 24. Front panel, 25. Rear panel, 26. Left panel, 27. Right panel, 28. First support column, 29. Second support column, 30. Third tube, 31. First bearing support seat, 32. Fourth square tube, 33. Second bearing support seat, 34. Fifth square tube, 35. Rear patterned plate, 36. Middle patterned plate, 37. Front patterned plate, 38. Handle. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0027] Please see Figure 1-7As shown, a cleaning device for an omnidirectional wheelchair includes a housing assembly and a cleaning assembly. The housing assembly includes a housing, a housing cover plate on top of the housing, and a bottom plate 1 on the bottom of the housing. The housing has a sludge collection trough inside. A water inlet 2 is located on one side wall, and a drain 3 is located on the other side wall. Multiple horizontally parallel first square tubes 4 are arranged on one side of the sludge collection trough. Second square tubes 5, perpendicular to the first square tubes 4, are located at both ends of the first square tubes 4. The upper surfaces of the first square tubes 4 and the second square tubes 5 are coplanar, and a central bottom plate 6 is laid on top of the first square tubes 4 and the second square tubes 5. Two symmetrically distributed water-resistant plates are distributed on the central bottom plate 6. The two water-resistant plates, the central bottom plate 6, the bottom plate 1, and the housing are all present in the design. The inner wall forms a sealed water tank. Water flows into the sealed water tank through the water inlet connector 2, along the sealed water tank to the sludge collection tank, and is discharged through the drain connector 3. Two sets of symmetrically arranged cleaning components are set between the two water baffles. The cleaning components include a soft cloth roller 7 and polyurethane rollers 8 set on both sides of the soft cloth roller 7. The soft cloth roller 7 and polyurethane rollers 8 are placed in parallel. The transmission component drives the soft cloth roller 7 and polyurethane rollers 8 to rotate. The top of the box cover is provided with a cleaning slot 9. The omnidirectional wheel assembly 10 on the electric wheelchair passes through the cleaning slot 9 and is supported on the two polyurethane rollers 8 on the cleaning component. At the same time, the soft cloth roller 7 rotates at the bottom of the omnidirectional wheel assembly 10 and cleans the omnidirectional wheel assembly 10. The soft cloth roller 7 is arranged at an angle relative to the omnidirectional wheel assembly 10.

[0028] A transmission assembly is provided on the outer side of the two water-blocking plates. The transmission assembly includes a motor 11, which is mounted on a motor bracket 12. The motor bracket 12 is set on a sixth square tube 13. The pulley 14 at the output end of the motor is connected to the pulley 14 at one end of a polyurethane roller 8 in the cleaning assembly via a transmission belt 15. The pulleys 14 at the ends of the two polyurethane rollers 8 in the cleaning assembly are respectively connected to the pulleys 14 at the ends of the soft cloth rollers 7 via transmission belts 15.

[0029] The box cover is provided with a polyurethane positioning block 16 and a polyurethane limiting plate 17. The two front frames 18 connecting the two omnidirectional wheel assemblies 10 on the electric wheelchair are respectively set on both sides of the polyurethane positioning block 16. The connecting rod 19 connecting the two front frames 18 is set in the limiting groove on the polyurethane limiting plate 17.

[0030] The soft cloth roller 7 is arranged at a 45-degree angle relative to the omnidirectional wheel assembly 10;

[0031] The baffle plate includes a first baffle 20 arranged along the length direction. A second baffle 21 is vertically connected to one end of the first baffle 20 facing the sludge collection tank, and a third baffle 22 is connected to the other end. The other end of the second baffle 21 extends to the inner wall of the box, and the third baffle 22 opens outward and extends to the inner wall of the box.

[0032] The enclosure includes a front panel 23, a rear panel 24, a left panel 25, and a right panel 26. The water inlet connector 2 is located on the front panel 23, and the drain connector 3 is located on the left panel 25.

[0033] The two ends of the first square tube 4 are respectively connected to the second square tube 5. The side wall of the second square tube 5 is attached to the inner wall of the box. The bottom of the sludge collection tank is provided with a first support column 27, and the top of the second square tube 5 is provided with a second support column 28. The second support column 28 adjacent to the first support column 27 and the first support column 27 are connected by a third third tube 29.

[0034] The two ends of the soft cloth roller 7 are respectively mounted on the fourth square tube 31 through the first bearing support seat 30, and the two ends of the polyurethane roller 8 are respectively mounted on the fifth square tube 33 through the second bearing support seat 32.

[0035] The box cover includes a rear patterned plate 34, a middle patterned plate 35, and a front patterned plate 36. The front patterned plate 36 and the rear patterned plate 34 are respectively installed on the front panel 23 and the rear panel 24 via hinges. Handles 37 are installed on the rear patterned plate 34, the middle patterned plate 35, and the front patterned plate 36.

[0036] The front panel 23, rear panel 24, left panel 25 and right panel 26 are all made of stainless steel, the transmission belt 15 is made of polyurethane, and the rear patterned plate 34, middle patterned plate 35 and front patterned plate 36 are all made of stainless steel.

[0037] Before cleaning, place the two omnidirectional wheel assemblies 10, which serve as the two front wheels of the electric wheelchair, into the cleaning slots 9 on the cover plate of the box, ensuring that each omnidirectional wheel assembly 10 is supported on the two polyurethane rollers 8 on the corresponding cleaning component. The bottom of the omnidirectional wheel assembly 10 is pressed against the soft cloth roller 7. Then, place the two front frames 18 connecting the two omnidirectional wheel assemblies 10 on both sides of the polyurethane positioning block 16, and then place the connecting rod 19 connecting the two front frames 18 into the limiting groove on the polyurethane limiting plate 17, so that the omnidirectional wheel assemblies 10 to be cleaned can be cleaned in a certain way. The process remains stable; water flows into the sealed water chamber inside the tank through the inlet connector 2, and after flowing through the cleaning components between the sealed water chambers and the omnidirectional wheel assembly 10 supported on the cleaning components, the water enters the sludge collection tank and is discharged through the drain connector 3; the sealed water chamber formed by the two baffles, the middle bottom plate 6, the bottom bottom plate 1 and the inner wall of the tank forms a water flow channel, and the water flow in the water flow channel cleans the soft cloth roller 7 in the cleaning components, and the sludge collection tank settles the dirt. The inlet connector 2 is equipped with a valve to control the size of the inlet water flow, and the upper edge of the drain connector 3 is flush with the design water level to achieve an overflow function;

[0038] When the motor 11 in the transmission assembly is started, the motor 11 drives the two polyurethane rollers 8 in the cleaning assembly to rotate, causing the entire omnidirectional wheel assembly 10 to rotate relative to the soft cloth roller 7. This allows the soft cloth roller 7 to clean each individual omnidirectional wheel in the omnidirectional wheel assembly 10. At the same time, since the soft cloth roller 7 is arranged at a 45-degree angle relative to the omnidirectional wheel assembly 10, the soft cloth roller 7 comes into contact with the side of each individual omnidirectional wheel in the omnidirectional wheel assembly 10, and the soft cloth roller 7 rotates relative to the individual omnidirectional wheel, improving the cleaning effect and efficiency of each individual omnidirectional wheel in the omnidirectional wheel assembly 10.

[0039] The above description is merely an example and illustration of the structure of the present invention. Those skilled in the art can make various modifications or additions to the specific embodiments described, or use similar methods to replace them, as long as they do not deviate from the structure of the present invention or exceed the scope defined in the claims, all of which should fall within the protection scope of the present invention.

Claims

1. A cleaning device for omnidirectional wheels of an electric wheelchair, characterized in that: The system includes a housing assembly and a cleaning assembly. The housing assembly includes a housing, a housing cover plate on top of the housing, and a bottom plate at the bottom of the housing. The housing has an internal sludge collection trough. A water inlet is located on one side wall, and a drain is located on the other side wall. Multiple horizontally parallel first square tubes are arranged on one side of the sludge collection trough. Second square tubes, perpendicular to the first square tubes, are located at both ends of each first square tube. The upper surfaces of the first and second square tubes are coplanar, and a central bottom plate is laid on top of the first and second square tubes. Two symmetrically distributed baffles are distributed on the central bottom plate. The two baffles, the central bottom plate, the bottom bottom plate, and the inner wall of the housing constitute a seal. The water tank is sealed by water inlet connector, flows along the sealed water tank to the sludge collection tank and is discharged by drain connector. Two sets of symmetrically arranged cleaning components are set between the two baffles. The cleaning components include a soft cloth roller and polyurethane rollers set on both sides of the soft cloth roller. The soft cloth roller and polyurethane roller are placed in parallel. The transmission component drives the soft cloth roller and polyurethane roller to rotate. The top of the box cover has a cleaning slot. The omnidirectional wheel assembly of the electric wheelchair passes through the cleaning slot and is supported on the two polyurethane rollers on the cleaning component. At the same time, the soft cloth roller rotates at the bottom of the omnidirectional wheel assembly and cleans the omnidirectional wheel assembly. The soft cloth roller is arranged at an angle relative to the omnidirectional wheel assembly.

2. The cleaning device for omnidirectional wheels of an electric wheelchair according to claim 1, characterized in that: A transmission assembly is provided on the outer side of the two water-blocking plates. The transmission assembly includes a motor, which is mounted on a motor bracket. The motor bracket is set on a sixth square tube. The pulley at the output end of the motor is connected to the pulley at one end of a polyurethane roller in the cleaning assembly via a transmission belt. The pulleys at the ends of the two polyurethane rollers in the cleaning assembly are respectively connected to the pulleys at the ends of the soft cloth rollers via transmission belts.

3. A cleaning device for omnidirectional wheels of an electric wheelchair according to claim 2, characterized in that: The box cover is provided with a polyurethane positioning block and a polyurethane limiting plate. The two front frames that connect the two omnidirectional wheel assemblies on the electric wheelchair are respectively set on both sides of the polyurethane positioning block, and the connecting rod that connects the two front frames is set in the limiting groove of the polyurethane limiting plate.

4. A cleaning device for omnidirectional wheels of an electric wheelchair according to claim 1, characterized in that: The soft cloth roller is arranged at a 45-degree angle relative to the omnidirectional wheel assembly.

5. A cleaning device for omnidirectional wheels of an electric wheelchair according to claim 1, characterized in that: The baffle plate includes a first baffle plate arranged along the length direction, a second baffle plate is vertically connected to one end of the first baffle plate facing the sludge collection tank, and a third baffle plate is connected to the other end of the first baffle plate. The other end of the second baffle plate extends to the inner wall of the tank, and the third baffle plate opens outward and extends to the inner wall of the tank.

6. A cleaning device for omnidirectional wheels of an electric wheelchair according to claim 1, characterized in that: The enclosure includes a front panel, a rear panel, a left panel, and a right panel. The water inlet connector is located on the front panel, and the drain connector is located on the left panel.

7. A cleaning device for omnidirectional wheels of an electric wheelchair according to claim 6, characterized in that: The two ends of the first square tube are respectively connected to the second square tube. The side wall of the second square tube is attached to the inner wall of the box. The bottom of the sludge collection tank is provided with a first support column, and the top of the second square tube is provided with a second support column. The second support column adjacent to the first support column is connected to the first support column through a third square tube.

8. A cleaning device for an omnidirectional wheelchair according to claim 2, characterized in that: The two ends of the soft cloth roller are respectively mounted on the fourth square tube via the first bearing support seat, and the two ends of the polyurethane roller are respectively mounted on the fifth square tube via the second bearing support seat.

9. A cleaning device for an omnidirectional wheelchair according to claim 8, characterized in that: The box cover includes a rear patterned plate, a middle patterned plate, and a front patterned plate. The front and rear patterned plates are respectively installed on the front and rear panels via hinges. Handles are installed on the rear, middle, and front patterned plates.

10. A cleaning device for an omnidirectional wheelchair according to claim 9, characterized in that: The front panel, rear panel, left panel, and right panel are all made of stainless steel, the transmission belt is made of polyurethane, and the rear patterned plate, middle patterned plate, and front patterned plate are all made of stainless steel.

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