Dirt removal assembly for automobile hub

Abstract

The invention relates to the technical field of automobile hub cleaning, and discloses a dirt removal assembly for an automobile hub, which comprises a brush head, and is characterized in that the brush head comprises a brush rod, one end of the brush rod is provided with nozzles in an annular array and used for spraying a cleaning agent, the brush rod is provided with bristles I around the nozzles and at the end opening and used for brushing, and the bristles I are used for cleaning the automobile hub. An adjusting mechanism is movably connected to the middle of the side face of the brush rod, the adjusting mechanism comprises a lead screw located in the brush rod, and a sliding telescopic assembly is movably connected to the side face of the lead screw. Wherein the linkage supporting assembly is used for movably connecting the main brush plate and the brush rod, the side face of the main brush plate is connected with the linkage brush plate through the connecting assembly, the size of the cylindrical brush composed of the main brush plate and the linkage brush plate can be controlled at will by controlling rotation of the lead screw, and space to be cleaned of different sizes can be covered.

Description

Technical Field

[0001] The invention relates to the technical field of automobile wheel hub cleaning, and more particularly to a dirt removal component for an automobile wheel hub. Background Art

[0002] Common types of dirt on car wheels include mud, rust, asphalt, grease, dust, brake powder and sludge, etc. These dirt mainly come from dust on the road, powder during braking and oil stains, etc. Car wheels come in various shapes, including blade wheels, whirlwind wheels, multi-spoke wheels and petal wheels, etc. Different shapes of wheels will present different style characteristics, and at the same time, there will be various cleaning dead corners. The general cleaning method of car wheels is to use a spray bottle or water gun to spray water, detergent, etc. on the wheel, and then use a brush to scrub to remove dirt.

[0003] Deficiencies in existing technology: Automobile wheels have spokes of various shapes, which also result in various angles of different shapes. In order to take care of every corner of the wheel hub, multiple types of cleaning brushes are often required to remove wheel hub dirt in turn. The cleaning tools are numerous and scattered, and there is a lack of an easy-to-use tool for cleaning wheel hub dirt that is suitable for a variety of cleaning scenarios. Summary of the invention

[0004] In order to overcome the above defects of the prior art, the present invention provides a dirt removal assembly for an automobile wheel hub to solve the problems existing in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a dirt removal assembly for automobile wheel hub, comprising a brush head, the brush head comprising: a brush rod, one end of the brush rod is provided with a ring array of nozzles for spraying detergent, the brush rod is provided with bristles around the nozzle and at the end for scrubbing, the other end of the brush rod is fixedly connected to a connecting sleeve, the interior of the connecting sleeve is movably connected to a rotating seat, and one end of the rotating seat is fixedly connected to a handle; The middle part of the side of the brush rod is movably connected with an adjustment mechanism, and the adjustment mechanism includes a screw rod located inside the brush rod, and the side of the screw rod is movably connected with a sliding and telescopic component, and the top of the sliding and telescopic component is fixedly connected with a main brush plate, and the bottom end of the main brush plate is movably connected to the side of the brush rod through a linkage support component, and the side of the main brush plate is connected to a linkage brush plate through a connecting component.

[0006] Furthermore, the brush rod is cylindrical, hollow inside, and has a slide groove in the middle of the side, the slide groove is arranged in a circular array along the side of the brush rod, the surface of the far nozzle end of the brush rod is threaded, and the inside of the connecting sleeve is threaded, and the two are connected by threads.

[0007] Furthermore, a through cylindrical hole is provided inside the screw rod for the hose to pass through, and the sliding telescopic assembly includes a sliding seat movably connected to the screw rod, and the interior of the sliding seat is movably connected with gear one, gear two and gear three from bottom to top, and the three are meshed in sequence, and the gear one obtains rotational power by meshing the edge with the side thread of the screw rod, and the edge of the gear three is meshed with a gear rod, and the side surface of the gear rod is fixedly connected to the inner wall of the telescopic rod, and the side surface of the telescopic rod is fixedly connected with a slide bar, and is movably connected to the slide groove provided in the sliding seat through the slide bar.

[0008] Furthermore, the top end of the telescopic rod is fixedly connected to the bottom end of the main brush plate, the top end of the main brush plate is provided with bristles 2, the bottom end of the main brush plate is fixedly connected to a fixing seat 1, the interior of the fixing seat 1 is movably connected with a connecting rod, the bottom end of the connecting rod is movably connected to a fixing seat 2, and the bottom end of the fixing seat 2 is fixedly connected to the side of the brush rod.

[0009] Furthermore, a connecting plate 1 is fixedly connected to the side of the main brush plate, a slider is fixedly connected to the side of one end of the connecting plate 1, a slide groove 2 is also provided on the side of the connecting plate 1, the connecting plate 1 is movably connected to the connecting plate 2 through the slider, the structure of the connecting plate 2 is consistent with that of the connecting plate 1, one end of the connecting plate 2 is fixedly connected to the side of the linked brush plate, and the structure of the linked brush plate is consistent with that of the main brush plate.

[0010] Furthermore, one end of the screw rod is fixedly connected with a hexagonal nut, one end of the swivel seat is provided with a hexagonal groove, the screw rod is fixedly connected with the swivel seat by the engagement of the hexagonal nut and the hexagonal groove, the side of the swivel seat is provided with an annular groove, the inner wall of the connecting sleeve is also provided with an annular groove, a steel ball is arranged in the annular groove of the connecting sleeve, the swivel seat can freely rotate inside the connecting sleeve through the movement of the steel ball in the annular groove, the end of the swivel seat close to the annular groove is fixedly connected with a clamping seat, and the outer circle radius of the clamping seat is larger than the inner circle radius of the connecting sleeve, the end face of the connecting sleeve close to the annular groove is in contact with the end face of the clamping seat, thereby making the annular groove of the connecting sleeve and the annular groove of the swivel seat aligned to form a complete circular ring.

[0011] Furthermore, one end of the hose is connected to the detergent storage box, and the other end passes through the handle, the holder, the rotary seat, and the screw rod in sequence to reach the nozzle end of the brush rod.

[0012] Furthermore, one end of the clamping seat is fixedly connected to one end of the handle, a pressure handle is movably connected to the side of the handle, a pressure rod is fixedly connected to the bottom end of the pressure handle, and the pressure rod acts on the hose to shut it off.

[0013] Technical effects and advantages of the present invention: 1. The present invention provides an adjustment mechanism in the middle of the brush rod, which includes a screw rod, a sliding telescopic assembly, a main brush plate and a linkage support assembly, wherein the linkage support assembly is used for the active connection between the main brush plate and the brush rod, and the side of the main brush plate is connected with a linkage brush plate through a connecting assembly. By controlling the rotation of the screw rod, the size of the cylindrical brush composed of the main brush plate and the linkage brush plate can be arbitrarily controlled, which is conducive to covering spaces of different sizes to be cleaned.

[0014] 2. The present invention provides a slide groove 1 in the middle of the brush rod, and the slide groove 1 is arranged in a circular array along the side of the brush rod, which is used for guiding and limiting the sliding telescopic assembly. At the same time, water, detergent or sewage mixture will inevitably enter the inside of the brush rod when brushing. The circular slide groove 1 also facilitates the self-cleaning of the brush rod, including flushing and ventilation, etc., to avoid damage to the brush rod caused by water vapor and dirt, which is conducive to extending the service life of the brush rod.

[0015] 3. The present invention provides a connecting sleeve at one end of the brush rod, wherein a rotating seat is movably connected inside the connecting sleeve, and one end of the rotating seat is connected to a handle bar. The connecting sleeve is threadedly connected to the brush rod on one hand, and the rotating seat inside the connecting sleeve movably connects the handle bar to the screw rod on the other hand, which is conducive to simplifying the assembly of the components of the present invention and the control of the adjustment mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the regulating mechanism of the present invention; Figure 3 This is a schematic diagram of the connection structure of the brush head, the connecting sleeve and the handle of the present invention; Figure 4 It is a schematic diagram of the cross-sectional structure of the sliding telescopic assembly of the present invention; Figure 5 This is a schematic diagram of the motion structure of the main brush plate of the present invention; Figure 6 It is a structural schematic diagram of the linkage support assembly of the present invention; Figure 7 It is a structural schematic diagram of the connection assembly of the present invention; Figure 8 It is a schematic diagram of the split structure of the connecting sleeve of the present invention.

[0017] The accompanying drawings are marked as follows: 1, brush head; 101, brush rod; 1011, slide groove 1; 102, nozzle; 103, bristle 1; 2, adjustment mechanism; 201, screw rod; 202, sliding telescopic assembly; 2021, sliding seat; 2022, gear 1; 2023, gear 2; 2024, gear 3; 2025, gear rod; 2026, telescopic rod; 203, main brush plate; 2031, bristle 2; 204, linkage support assembly; 20 41. Fixed seat one; 2042. Linking rod; 2043. Fixed seat two; 205. Connecting assembly; 2051. Connecting plate one; 2052. Sliding block; 2053. Sliding groove two; 2054. Connecting plate two; 206. Linking brush plate; 207. Hexagonal nut; 3. Connecting sleeve; 301. Rotating seat; 302. Hexagonal slot; 303. Steel ball; 304. Clamping seat; 4. Handle bar; 401. Pressure handle; 402. Pressure rod; 5. Hose. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The dirt removal component for a vehicle wheel hub involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0019] Reference Figures 1 to 3 The present invention provides a dirt removal assembly for a car wheel hub, comprising a brush head 1, the brush head 1 comprising: a brush rod 101, one end of the brush rod 101 is provided with a nozzle 102 in an annular array for spraying a cleaning agent, the brush rod 101 is provided with bristles 103 around the nozzle 102 and at the end, the diameter of the brush rod 101 is relatively small, the end of the brush rod 101 can spray the cleaning agent to the corresponding position on the one hand, and on the other hand, the small-sized gaps caused by the staggered spokes can be brushed, the other end of the brush rod 101 is fixedly connected to a connecting sleeve 3, the interior of the connecting sleeve 3 is movably connected to a rotating seat 301, one end of the rotating seat 301 is fixedly connected to a handle 4, and the rotating seat 301 can be driven to rotate by rotating the handle 4; Reference Figure 2 and Figure 5The middle part of the side of the brush rod 101 is movably connected with an adjustment mechanism 2, and the adjustment mechanism 2 includes a screw rod 201 located inside the brush rod 101, and the side of the screw rod 201 is movably connected with a sliding telescopic component 202, and the top of the sliding telescopic component 202 is fixedly connected with a main brush plate 203, and the bottom end of the main brush plate 203 is movably connected to the side of the brush rod 101 through a linkage support component 204, and the side of the main brush plate 203 is connected to a linkage brush plate 206 through a connecting component 205. When the screw rod 201 rotates, it will drive the main brush plate 203 to rise or fall through the sliding telescopic component 202, and both ends of the main brush plate 203 are connected to the brush rod 101 through the linkage support component 204 The sides are connected to form a parallelogram, and the action of raising or lowering is replaced by the height change of the parallelogram. When the main brush plate 203 moves, due to the connection of the connecting assembly 205, the linked brush plate 206 will move synchronously with the main brush plate 203. When the height of the parallelogram is the minimum, the diameter of the cylindrical brush formed by the main brush plate 203 and the linked brush plate 206 is the smallest, and can be used to brush the gap larger than the end of the brush rod 101. When the height of the parallelogram is the maximum, the diameter of the cylindrical brush is the largest, and can be used to brush the larger space in the wheel hub. By controlling the rotation of the screw rod 201, the height of the parallelogram, that is, the diameter of the cylindrical brush, can be arbitrarily controlled.

[0020] Reference Figure 3 and Figure 8 The brush rod 101 is cylindrical, hollow inside, and has a slide groove 1011 in the middle of the side. The slide groove 1011 is arranged in a ring array along the side of the brush rod 101. The slide groove 1011 is used to guide and limit the sliding telescopic component 202. At the same time, water, detergent or sewage mixture will inevitably enter the inside of the brush rod 101 when brushing. The ring-shaped slide groove 1011 is also convenient for the self-cleaning of the brush rod 101, including flushing and ventilation. The end surface of the far nozzle 102 of the brush rod 101 is provided with a thread, and the inside of the connecting sleeve 3 is provided with a thread, and the two are connected by threads.

[0021] Reference Figure 3 and Figure 4, wherein a through cylindrical hole is provided inside the screw rod 201 for the hose 5 to pass through, the sliding telescopic assembly 202 comprises a sliding seat 2021 movably connected to the screw rod 201, the interior of the sliding seat 2021 is movably connected with a gear 1 2022, a gear 2 2023 and a gear 3 2024 from bottom to top, the three are meshed in sequence, the gear 1 2022 obtains rotational power by meshing the edge with the side thread of the screw rod 201, the edge of the gear 3 2024 is meshed with a gear rod 2025, the side of the gear rod 2025 is fixedly connected to the inner wall of the telescopic rod 2026, the side of the telescopic rod 2026 is fixedly connected with a slide bar, and The sliding bar is movably connected with the sliding groove opened inside the sliding seat 2021. When the screw rod 201 rotates, the sliding seat 2021 will move forward or backward along the screw rod 201. At the same time, the gear 1 2022 inside the sliding seat 2021 rotates, driving the gear 2 2023 meshing with it to rotate, and then driving the gear 3 2024 to rotate. The gear 3 2024 then drives the lifting and lowering action of the gear rod 2025. The lifting and lowering of the gear rod 2025 allows the telescopic rod 2026 to move up and down inside the sliding seat 2021. The forward and reverse rotation of the screw rod 201 simultaneously controls the forward and backward movement of the sliding seat 2021, and the retraction and extension of the sliding seat 2021.

[0022] Reference Figures 2 to 8 The top of the telescopic rod 2026 is fixedly connected to the bottom end of the main brush plate 203, and the top of the main brush plate 203 is provided with bristles 2031, and the bottom end of the main brush plate 203 is fixedly connected to a fixing seat 1 2041, and the fixing seat 1 2041 is internally movably connected with a connecting rod 2042, and the bottom end of the connecting rod 2042 is movably connected with a fixing seat 2043, and the bottom end of the fixing seat 2043 is fixedly connected to the side of the brush rod 101. The connecting rods 2042 of equal length are arranged at both ends of the main brush plate 203, so that when the main brush plate 203 moves under the push of the telescopic rod 2026, it always remains parallel to the brush rod 101, and provides partial support for the main brush plate 203 and provides main support for the connecting brush plate 206.

[0023] Among them, the side of the main brush plate 203 is fixedly connected with a connecting plate 1 2051, and one end of the connecting plate 1 2051 is fixedly connected with a slider 2052. The side of the connecting plate 1 2051 is also provided with a slide groove 2053. The connecting plate 1 2051 is movably connected with the connecting plate 2 2054 through the slider 2052. The structure of the connecting plate 2054 is consistent with that of the connecting plate 1 2051, and one end thereof is fixedly connected to the side of the linkage brush plate 206. The linkage brush plate 206 has the same structure as the main brush plate 203. The linkage brush plate 206 is consistent with the main brush plate 203. 03 are arranged around the brush rod 101, with a total of eight, together forming a cylindrical brush with the brush rod 101 as the center rod. When the diameter of the cylindrical brush becomes smaller, the distance between the main brush plate 203 and the interlocking brush plate 206 becomes smaller, and the sliders of the two connecting plates slide in opposite directions in each other's slide grooves, and the side surfaces of the two connecting plates almost overlap. When the diameter of the cylindrical brush becomes larger, the distance between the main brush plate 203 and the interlocking brush plate 206 becomes larger, and the sliders of the two connecting plates slide toward each other in each other's slide grooves, and the two connecting plates are gradually pulled apart until they are connected head to tail.

[0024] Among them, one end of the screw rod 201 is fixedly connected with a hexagonal nut 207, one end of the rotary seat 301 is provided with a hexagonal slot 302, the screw rod 201 is fixedly connected to the rotary seat 301 through the engagement of the hexagonal nut 207 with the hexagonal slot 302, the other end of the rotary seat 301 is fixedly connected with a clamping seat 304, one end of the clamping seat 304 is fixedly connected to one end of the handle 4, the side of the rotary seat 301 is provided with an annular groove, the inner wall of the connecting sleeve 3 is also provided with an annular groove, a steel ball 303 is arranged in the annular groove of the connecting sleeve 3, and the rotary seat 301 can be freely moved inside the connecting sleeve 3 through the movement of the steel ball 303 in the annular groove The outer ring radius of the holder 304 is larger than the inner ring radius of the connecting sleeve 3, and the end face of the connecting sleeve 3 close to the annular groove fits with the end face of the holder 304, thereby making the annular groove of the connecting sleeve 3 and the annular groove of the rotating seat 301 aligned to form a complete ring. By rotating the handle 4, the rotating seat 301 can drive the screw rod 201 to rotate, thereby controlling the size of the cylindrical brush formed by the main brush plate 203 and the linked brush plate 206 to cover spaces of different sizes to be cleaned. The connecting sleeve 3 is responsible for the connection between the brush rod 101 and the handle 4, and the rotating seat 301 is responsible for the linkage connection between the handle 4 and the screw rod 201.

[0025] One end of the hose 5 is connected to the detergent storage box, and the other end passes through the handle 4, the holder 304, the rotary seat 301, and the screw 201 in sequence to reach the nozzle 102 end of the brush rod 101. The hose 5 is used to transmit the detergent liquid to the nozzle 102 of the brush rod 101.

[0026] The side of the handle 4 is movably connected with a pressure handle 401, and the bottom end of the pressure handle 401 is fixedly connected with a pressure rod 402, which acts on the hose 5 to shut it off.

[0027] Working principle of the present invention: The present invention provides a dirt removal assembly for automobile wheel hub, including a brush head 1, an adjustment mechanism 2, a connecting sleeve 3, a handle 4 and a hose 5, and the hose 5 is used to transmit detergent liquid to the nozzle 102 of the brush rod 101.

[0028] The specific steps of using this component are: connect the hose 5 with the detergent storage box, hold and press the handle 401, so that the detergent reaches the nozzle 102 of the brush rod 101 along the hose 5, and sprays it evenly to the surface of the wheel hub, hold the brush rod 101 and the handle 4 with both hands respectively and rotate them, adjust the diameter of the cylindrical brush formed by the main brush plate 203 and the linked brush plate 206 to a suitable size, brush the surfaces to be cleaned of different sizes in the wheel hub, and use the bristles 103 at the end of the brush rod 101 to brush the smaller gaps in the wheel hub caused by the staggered spokes.

[0029] Among them, the specific working principle of rotating the brush rod 101 and the handle bar 4 to control the main brush plate 203 and the linked brush plate 206 is: rotating the handle bar 4 causes the rotating seat 301 to drive the screw rod 201 to rotate. When the screw rod 201 rotates clockwise, it will drive the main brush plate 203 to move toward the side of the nozzle 102 and gradually descend through the sliding telescopic component 202. When it rotates counterclockwise, it will move toward the side of the connecting sleeve 3 and gradually rise. The two ends of the main brush plate 203 are connected to the side of the brush rod 101 through the linked support component 204 to form a parallelogram. The rising or lowering action is replaced by the height change of the parallelogram. When the main brush plate 203 moves, due to the connection of the connecting component 205, the linked brush plate 206 will move synchronously with the main brush plate 203. When the height of the parallelogram is the minimum, the diameter of the cylindrical brush formed by the main brush plate 203 and the linked brush plate 206 is the smallest, and when the height of the parallelogram is the maximum, the diameter of the cylindrical brush is the largest.

[0030] Among them, the specific principle of reducing the diameter of the cylindrical brush is: the main brush plate 203 is connected to the interlocking brush plate 206 through the connecting component 205, and both ends of the main brush plate 203 and the interlocking brush plate 206 are movably connected to the side of the brush rod 101 through the interlocking support component 204. The main brush plate 203 moves forward (that is, the side of the brush rod 101 close to the nozzle 102) driven by the sliding telescopic component 202. At this time, the telescopic rod 2026 of the sliding telescopic component 202 is retracted, that is, when the main brush plate 203 moves toward the side of the brush rod 101 close to the nozzle 102, the remaining interlocking brush plates 206 and the main brush plate 203 are synchronously retracted to the side of the brush rod 101 close to the nozzle 102. In this process, the diameter of the cylindrical brush formed by the main brush plate 203 and the interlocking brush plate 206 gradually decreases.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dirt removal assembly for a vehicle wheel hub, comprising a brush head (1), characterized in that: The brush head (1) comprises: a brush rod (101), one end of the brush rod (101) is provided with a nozzle (102) in an annular array for spraying cleaning agent, the brush rod (101) is provided with bristles (103) around the nozzle (102) and at the end thereof for scrubbing, the other end of the brush rod (101) is fixedly connected to a connecting sleeve (3), the interior of the connecting sleeve (3) is movably connected to a rotating seat (301), and one end of the rotating seat (301) is fixedly connected to a handle (4); The middle part of the side of the brush rod (101) is movably connected to an adjustment mechanism (2), the adjustment mechanism (2) comprises a screw rod (201) located inside the brush rod (101), the side of the screw rod (201) is movably connected to a sliding telescopic component (202), the top of the sliding telescopic component (202) is fixedly connected to a main brush plate (203), the bottom end of the main brush plate (203) is movably connected to the side of the brush rod (101) via a linkage support component (204), and the side of the main brush plate (203) is connected to a linkage brush plate (206) via a connection component (205).

2. A dirt removal assembly for a vehicle wheel hub according to claim 1, characterized in that: The brush rod (101) is cylindrical and hollow inside, and is provided with a slide groove (1011) in the middle of the side surface. The slide grooves (1011) are arranged in a ring array along the side surface of the brush rod (101). The end surface of the distal nozzle (102) of the brush rod (101) is provided with a thread, and the interior of the connecting sleeve (3) is provided with a thread, and the two are connected by threads.

3. A dirt removal assembly for a vehicle wheel hub according to claim 1, characterized in that: The screw rod (201) is provided with a through cylindrical hole for the hose (5) to pass through. The sliding telescopic assembly (202) comprises a sliding seat (2021) movably connected to the screw rod (201). The sliding seat (2021) is movably connected to gear 1 (2022), gear 2 (2023) and gear 3 (2024) in sequence from bottom to top. The three gears are meshed in sequence. The gear 1 (2022) obtains rotational power by meshing its edge with the side thread of the screw rod (201). The edge of the gear 3 (2024) is meshed with a toothed rod (2025). The side of the toothed rod (2025) is fixedly connected to the inner wall of the telescopic rod (2026). The side of the telescopic rod (2026) is fixedly connected to a slide bar, and is movably connected to a slide groove provided in the sliding seat (2021) through the slide bar.

4. A dirt removal assembly for a vehicle wheel hub according to claim 3, characterized in that: The top end of the telescopic rod (2026) is fixedly connected to the bottom end of the main brush plate (203); the top end of the main brush plate (203) is provided with bristles 2 (2031); the bottom end of the main brush plate (203) is fixedly connected to a fixing seat 1 (2041); the fixing seat 1 (2041) is movably connected to a connecting rod (2042) inside; the bottom end of the connecting rod (2042) is movably connected to a fixing seat 2 (2043); the bottom end of the fixing seat 2 (2043) is fixedly connected to the side of the brush rod (101).

5. A dirt removal assembly for a vehicle wheel hub according to claim 4, characterized in that: The side of the main brush plate (203) is fixedly connected to a connecting plate 1 (2051), one end of the side of the connecting plate 1 (2051) is fixedly connected to a slider (2052), and the side of the connecting plate 1 (2051) is also provided with a slide groove 2 (2053). The connecting plate 1 (2051) is movably connected to the connecting plate 2 (2054) through the slider (2052), and the structure of the connecting plate 2 (2054) is consistent with that of the connecting plate 1 (2051), and one end of the connecting plate 2 is fixedly connected to the side of the linked brush plate (206), and the structure of the linked brush plate (206) is consistent with that of the main brush plate (203).

6. A dirt removal assembly for a vehicle wheel hub according to claim 1, characterized in that: One end of the screw rod (201) is fixedly connected to a hexagonal nut (207), one end of the rotary seat (301) is provided with a hexagonal slot (302), the screw rod (201) is fixedly connected to the rotary seat (301) by the engagement of the hexagonal nut (207) and the hexagonal slot (302), a ring groove is provided on the side of the rotary seat (301), and a ring groove is also provided on the inner wall of the connecting sleeve (3), a steel ball (303) is arranged in the ring groove of the connecting sleeve (3), and the rotary seat (301) can freely rotate inside the connecting sleeve (3) through the movement of the steel ball (303) in the annular groove. The end of the rotating seat (301) close to the annular groove is fixedly connected to a clamping seat (304), and the outer circle radius of the clamping seat (304) is larger than the inner circle radius of the connecting sleeve (3). The end face of the connecting sleeve (3) close to the annular groove is in contact with the end face of the clamping seat (304), thereby making the annular groove of the connecting sleeve (3) and the annular groove of the rotating seat (301) aligned to form a complete circular ring.

7. A dirt removal assembly for a vehicle wheel hub according to claim 3, characterized in that: One end of the hose (5) is connected to the detergent storage box, and the other end passes through the handle (4), the clamping seat (304), the rotary seat (301), and the screw rod (201) in sequence to reach the nozzle (102) end of the brush rod (101).

8. A dirt removal assembly for a vehicle wheel hub according to claim 6, characterized in that: One end of the clamping seat (304) is fixedly connected to one end of the handle (4); a pressure handle (401) is movably connected to the side of the handle (4); a pressure rod (402) is fixedly connected to the bottom end of the pressure handle (401); the pressure rod (402) acts on the hose (5) to shut it off.

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