Electric cleaning brush

Abstract

The utility model provides a kind of electric cleaning brush, including shell assembly, motor, transmission assembly, rotating shaft and rolling brush;Motor is fixed in the inside of the front of shell assembly, transmission assembly is fixed in the side of the front of shell assembly, the one end of rotating shaft is rotatably connected with shell assembly, the other end of rotating shaft is drivingly connected with the output end of transmission assembly, and rolling brush shaft is axially sleeved in the outside of rotating shaft and is circumferentially limited with rotating shaft;Electric cleaning brush further includes baffle cover;Baffle cover is fixed in the front end of shell assembly, baffle cover is covered in the outside of rolling brush and cooperates with rolling brush gap;The upper end of baffle cover extends to the upper portion of rolling brush front side and forms first shielding part, the lower end of baffle cover extends to the rear side of rolling brush lower part and forms second shielding part, and the lower end of second shielding part is provided with scraper part gradually inclined from top to bottom to the side away from rolling brush;Baffle cover can realize the shielding of impurity to avoid impurity splashing to the side of user, so as to avoid dirtying the hand and clothes of user.

Description

Technical Field

[0001] This utility model relates to the field of electric cleaning tools, and more specifically, to an electric cleaning brush. Background Technology

[0002] Electric cleaning brushes are devices used to clean the surface of objects. For example, Chinese Patent Publication No. CN220024422U discloses an electric cleaning brush. When the motor drives the brush head to rotate during use, the impurities cleaned by the brush head will splash towards the side of the handle on the casing. That is, the impurities will splash onto the user's side, which will dirty the user's hands and clothes, thus causing inconvenience to the user. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an electric cleaning brush, which can block impurities by setting a baffle to prevent impurities from splashing towards the user's side, thereby avoiding soiling the user's hands and clothes. After setting a scraper part at the lower end of the baffle, the user can use the scraper part to scrape off solid adhesives, thus making it convenient to clean impurities on the surface of objects.

[0004] This utility model provides an electric cleaning brush, including a housing assembly, a motor, a transmission assembly, a rotating shaft, and a roller brush. The motor is fixed to the inner side of the front part of the housing assembly, the transmission assembly is fixed to one side of the front part of the housing assembly, one end of the rotating shaft is rotatably connected to the housing assembly, and the other end of the rotating shaft is drively connected to the output end of the transmission assembly. The roller brush is axially sleeved on the outside of the rotating shaft and is circumferentially limited by the rotating shaft. The electric cleaning brush also includes a baffle. The baffle is fixed to the front end of the housing assembly, covers the outside of the roller brush, and is in clearance fit with the roller brush. The upper end of the baffle extends to the upper part of the front side of the roller brush and forms a first blocking part, and the lower end of the baffle extends to the rear side of the lower part of the roller brush and forms a second blocking part. The lower end of the second blocking part is provided with a scraper part that gradually slopes from top to bottom away from the side of the roller brush.

[0005] By adopting the above-described structure, this utility model can prevent impurities from splashing towards the user when the roller brush rotates and cleans impurities on the object. Specifically, the first and second blocking parts can prevent impurities from splashing towards the user, thereby avoiding soiling the user's hands and clothes and preventing inconvenience to the user. Furthermore, since the lower end of the second blocking part is provided with a scraper part that gradually slopes away from the roller brush from top to bottom, when there are solid adhesives on the object surface, the user can use the scraper part to scrape off the solid adhesives, which can facilitate the cleaning of impurities on the object surface.

[0006] In one possible implementation, an end cap is detachably connected to one side of the housing assembly. A bearing is embedded inside the end cap, and one end of the rotating shaft has a shaft head with an outer diameter smaller than the rotating shaft. The shaft head is inserted into the inner hole of the bearing and rotates in cooperation with the bearing. When the end cap is removed, it releases its obstruction of the axial direction of the roller brush, allowing the roller brush to axially detach from the rotating shaft. With this structure, after the end cap is removed, it can release its obstruction of the axial direction of the roller brush, allowing the roller brush to axially detach from the rotating shaft, thus facilitating the replacement of the roller brush. After the roller brush is replaced, the end cap is reassembled onto one side of the housing assembly, and the shaft head is inserted into the inner hole of the bearing for rotational cooperation. Under the action of the end cap, one end of the rotating shaft can be reliably rotatably connected to the housing assembly via the bearing and the end cap.

[0007] In one possible implementation, the end cap is provided with a countersunk hole, in which a hand-tightening bolt is rotatably connected. A nut is embedded in the housing assembly, and the hand-tightening bolt and the nut are threadedly connected to secure the end cap to the housing assembly. With this structure, the end cap can be reliably secured to the housing assembly through the threaded engagement of the hand-tightening bolt and the nut, and the end cap can be easily removed from the housing assembly. In addition, the housing assembly has several circumferentially spaced ribs on the side facing the end cap. These ribs abut against the inner wall of the end cap to limit the position of the end cap and the housing assembly, thereby improving the firmness and reliability of the end cap after it is fixed to the housing assembly.

[0008] In one possible implementation, the transmission assembly includes a gearbox and a gear set rotatably connected in the gearbox; the gearbox is fixed to one side of the front of the housing assembly, the input gear in the gear set is coaxially connected to and circumferentially limited by the output shaft of the motor, and the other end of the rotating shaft is coaxially connected to and circumferentially limited by the output gear in the gear set; by adopting this structure, the other end of the rotating shaft can be reliably connected to the output shaft of the motor via the gear set, and under the action of the gear set, the rotating shaft can be decelerated and torque increased.

[0009] In one possible implementation, a cross-section is axially provided on the outer wall of the rotating shaft, and a plane adapted to the cross-section is provided in the inner hole of the roller brush. After the roller brush is axially fitted onto the outside of the rotating shaft, the plane and the cross-section abut against each other to limit the circumferential movement of the roller brush and the rotating shaft. With this structure, under the cooperation of the cross-section and the plane, when the roller brush is axially fitted onto the outside of the rotating shaft, the plane and the cross-section abut against each other to limit the circumferential movement of the roller brush and the rotating shaft, thereby enabling the rotating shaft to reliably drive the roller brush to rotate.

[0010] In one possible implementation, the rear of the housing assembly forms a handle portion. A battery and a control circuit board are fixed to the inner side of the handle portion, and a charging interface is fixed to the rear end of the handle portion. The motor, charging interface, and battery are all electrically connected to the control circuit board. A switch button is connected to the bottom of the front side of the handle portion, which triggers a first microswitch located inside the handle portion. A start / stop button is connected to the top of the front side of the handle portion, which triggers a second microswitch located on the control circuit board. Both the first and second microswitches are electrically connected to the control circuit board. With this structure, the switch button controls the power supply to the electric cleaning brush; that is, when the switch button is pressed and held to trigger the first microswitch, the cleaning brush is powered on (at this time...). (The motor does not operate during this period). When the switch button is pressed and held again to trigger the first micro switch, the cleaning brush is de-energized. When the switch button is pressed and held to energize the cleaning brush, a single press of the start / stop button triggers the second micro switch, causing the motor to drive the roller brush to rotate via the transmission assembly and shaft. When the start / stop button is pressed again to trigger the second micro switch, the motor stops driving the roller brush to rotate. In other words, when the cleaning brush is energized, the start / stop button controls the motor's start and stop. By using the combined action of the first and second micro switches to control whether the motor is working, a secondary confirmation is achieved to improve the safety of using the electric cleaning brush. The charging interface allows the battery to be charged when a charging cable is connected.

[0011] In one possible implementation, a light guide ring is embedded in the top of the front side of the handle. The start / stop button is embedded in the light guide ring and can float relative to it. Several indicator lights are fixed on the control circuit board, arranged circumferentially, with their light-emitting ends facing the inner end of the light guide ring. With this structure, when the cleaning brush is powered on, if the start / stop button is pressed to drive the motor to rotate the brush, the indicator lights emit green light and project it onto the lower end of the light guide ring. At this time, the light guide ring emits green light to indicate that the electric cleaning brush is in normal working condition. If the start / stop button is pressed again to stop the motor, the indicator lights turn off. When the cleaning brush is powered on and the battery power is low, the indicator lights emit red light, which is transmitted through the light guide ring to remind the user to charge the battery. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a schematic diagram of the right-side structure of this utility model;

[0014] Figure 3 This is an exploded three-dimensional structural diagram of the first part of this utility model;

[0015] Figure 4 for Figure 3 A magnified structural diagram of point A in the middle;

[0016] Figure 5 This is an exploded perspective view of the second part of this utility model;

[0017] Figure 6 This is an exploded three-dimensional structural diagram of the third part of this utility model;

[0018] Figure 7 This is a schematic diagram of the left-side structure of the present invention after removing part of the housing components and part of the gearbox. Detailed Implementation

[0019] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0020] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0021] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0022] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] See Figure 1-7As shown in the figure, this application discloses an electric cleaning brush, including a housing assembly 1, a motor 2, a transmission assembly 3, a rotating shaft 4, and a roller brush 5. The motor 2 is fixed to the inner side of the front part of the housing assembly 1, the transmission assembly 3 is fixed to one side of the front part of the housing assembly 1, one end of the rotating shaft 4 is rotatably connected to the housing assembly 1, and the other end of the rotating shaft 4 is drively connected to the output end of the transmission assembly 3. The roller brush 5 is axially sleeved on the outside of the rotating shaft 4 and is circumferentially limited by the rotating shaft 4. The electric cleaning brush also includes a cover 6. The cover 6 is fixed to the front end of the housing assembly 1, covers the outside of the roller brush 5, and is clearance-fitted with the roller brush 5. The upper end of the cover 6 extends to the upper part of the front side of the roller brush 5 and forms a first blocking part 61, and the lower end of the cover 6 extends to the rear side of the lower part of the roller brush 5 and forms a second blocking part 62. The lower end of the second blocking part 62 is provided with a scraper part 63 that gradually slopes from top to bottom away from the side of the roller brush 5.

[0024] One side of the housing assembly 1 is detachably connected to an end cap 7. A bearing 8 is embedded inside the end cap 7. One end of the rotating shaft 4 is provided with a shaft head 41 with an outer diameter smaller than that of the rotating shaft 4. The shaft head 41 is inserted into the inner hole of the bearing 8 and rotates with the bearing 8. When the end cap 7 is removed, the end cap 7 releases its obstruction of the axial direction of the roller brush 5, allowing the roller brush 5 to axially disengage from the rotating shaft 4. With this structure, after the end cap is removed, it can release its obstruction of the axial direction of the roller brush. At this time, the roller brush can axially disengage from the rotating shaft, thus facilitating the replacement of the roller brush. After the roller brush is replaced, the end cap is reassembled onto one side of the housing assembly, and the shaft head is inserted into the inner hole of the bearing and rotates with the bearing. Under the action of the end cap, one end of the rotating shaft can be reliably rotatably connected to the housing assembly via the bearing and the end cap.

[0025] The end cap 7 is provided with a countersunk hole 71, in which a hand-tightening bolt 9 is rotatably connected. A nut 10 is embedded in the housing assembly 1. The hand-tightening bolt 9 and the nut 10 are threadedly connected to secure the end cap 7 to the housing assembly 1. With this structure, the end cap can be reliably secured to the housing assembly through the threaded engagement of the hand-tightening bolt and the nut, and the end cap can be easily removed from the housing assembly. In addition, the housing assembly is provided with several circumferentially spaced ribs on the side facing the end cap. These ribs abut against the inner wall of the end cap to limit the end cap and the housing assembly, thereby improving the firmness and reliability of the end cap after it is fixed to the housing assembly.

[0026] The transmission assembly 3 includes a gearbox 31 and a gear set 32 ​​rotatably connected in the gearbox 31. The gearbox 31 is fixed to one side of the front part of the housing assembly 1. The input gear in the gear set 32 ​​is coaxially connected to the output shaft of the motor 2 and circumferentially limited. The other end of the rotating shaft 4 is coaxially connected to the output gear in the gear set 32 ​​and circumferentially limited. With this structure, the other end of the rotating shaft can be reliably connected to the output shaft of the motor via the gear set, and under the action of the gear set, it can reduce speed and increase torque on the rotating shaft.

[0027] A axially arranged cut surface 42 is provided on the outer wall of the rotating shaft 4, and a plane 51 adapted to the cut surface 42 is provided in the inner hole of the roller brush 5. After the roller brush 5 is axially sleeved on the outside of the rotating shaft 4, the plane 51 abuts against the cut surface 42 to limit the circumferential positioning of the roller brush 5 and the rotating shaft 4. With this structure, under the cooperation of the cut surface and the plane, when the roller brush is axially sleeved on the outside of the rotating shaft, the plane abuts against the cut surface to limit the circumferential positioning of the roller brush and the rotating shaft, thereby enabling the rotating shaft to reliably drive the roller brush to rotate.

[0028] The rear of the housing assembly 1 forms a handle portion 11. A battery 20 and a control circuit board 30 are fixed to the inner side of the handle portion 11. A charging interface 40 is fixed to the rear end of the handle portion 11. The motor 2, charging interface 40, and battery 20 are all electrically connected to the control circuit board 30. A switch button 50 is connected to the bottom of the front side of the handle portion 11. The switch button 50 is used to trigger a first micro switch 60 located inside the handle portion 11. A start / stop button 70 is connected to the top of the front side of the handle portion 11. The start / stop button 70 is used to trigger a second micro switch 301 located on the control circuit board 30. Both the first micro switch 60 and the second micro switch 301 are electrically connected to the control circuit board 30. With the above structure, the switch button is used to control the power supply to and from the electric cleaning brush. That is, when the switch button is pressed and held, the power is turned on and off. When the first microswitch is triggered, the cleaning brush is powered on (the motor does not operate at this time). When the switch button is pressed and held again to trigger the first microswitch, the cleaning brush is powered off. When the switch button is pressed and held to power on the cleaning brush, a single press of the start / stop button triggers the second microswitch, causing the motor to drive the roller brush to rotate via the transmission assembly and shaft. When the start / stop button is pressed again to trigger the second microswitch, the motor stops driving the roller brush to rotate. That is, when the cleaning brush is powered on, the start / stop button is used to control the motor's start and stop. By using the combined action of the first and second microswitches to control whether the motor is working, a secondary confirmation is achieved to improve the safety of using the electric cleaning brush. The charging interface can charge the battery when connected to the charging cable.

[0029] A light guide ring 80 is embedded in the top of the front side of the handle 11. The start / stop button 70 is embedded in the light guide ring 80 and can float relative to the light guide ring 80. Several indicator lights 302 are fixed on the control circuit board 30 and are distributed circumferentially. The light-emitting ends of the indicator lights 302 face the inner end of the light guide ring 80. With this structure, when the cleaning brush is powered on, if the start / stop button is pressed to drive the motor to rotate the roller brush, the indicator lights can emit green light and project it onto the lower end of the light guide ring. At this time, the light guide ring can emit green light to indicate that the electric cleaning brush is in normal working condition. If the start / stop button is pressed again to stop the motor, the indicator lights will turn off. When the cleaning brush is powered on and the battery power is low, the indicator lights emit red light, and the red light can be transmitted through the light guide ring to remind the user to charge.

[0030] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An electric cleaning brush, comprising a housing assembly (1), a motor (2), a transmission assembly (3), a rotating shaft (4), and a roller brush (5); wherein the motor (2) is fixed to the inner side of the front part of the housing assembly (1), the transmission assembly (3) is fixed to one side of the front part of the housing assembly (1), one end of the rotating shaft (4) is rotatably connected to the housing assembly (1), the other end of the rotating shaft (4) is drively connected to the output end of the transmission assembly (3), and the roller brush (5) is axially sleeved on the outside of the rotating shaft (4) and circumferentially limited by the rotating shaft (4); characterized in that: The electric cleaning brush also includes a cover (6); the cover (6) is fixed to the front end of the housing assembly (1), the cover (6) covers the outside of the roller brush (5) and fits the roller brush (5) with a gap; the upper end of the cover (6) extends to the upper part of the front side of the roller brush (5) and forms a first shielding part (61), the lower end of the cover (6) extends to the rear side of the lower part of the roller brush (5) and forms a second shielding part (62), and the lower end of the second shielding part (62) is provided with a scraper part (63) that gradually slopes from top to bottom toward the side away from the roller brush (5).

2. The electric cleaning brush according to claim 1, characterized in that: One side of the housing assembly (1) is detachably connected to an end cap (7), and a bearing (8) is embedded in the inner side of the end cap (7). One end of the rotating shaft (4) is provided with a shaft head (41) with an outer diameter smaller than that of the rotating shaft (4). The shaft head (41) is inserted into the inner hole of the bearing (8) and rotates in cooperation with the bearing (8). When the end cap (7) is removed, the end cap (7) releases the obstruction of the axial direction of the roller brush (5) so that the roller brush (5) can axially disengage from the rotating shaft (4).

3. The electric cleaning brush according to claim 2, characterized in that: The end cap (7) is provided with a countersunk hole (71), and a hand-tightening bolt (9) is rotatably connected in the countersunk hole (71). A nut (10) is embedded in the housing assembly (1). The hand-tightening bolt (9) and the nut (10) are threadedly connected to each other to fasten the end cap (7) and the housing assembly (1).

4. The electric cleaning brush according to any one of claims 1-3, characterized in that: The transmission assembly (3) includes a gearbox (31) and a gear set (32) rotatably connected in the gearbox (31); the gearbox (31) is fixed to one side of the front of the housing assembly (1), the input gear in the gear set (32) is coaxially connected to the output shaft of the motor (2) and circumferentially limited, and the other end of the rotating shaft (4) is coaxially connected to the output gear in the gear set (32) and circumferentially limited.

5. The electric cleaning brush according to any one of claims 1-3, characterized in that: The outer wall of the rotating shaft (4) is provided with a axially oriented cut surface (42), and the inner hole of the roller brush (5) is provided with a plane (51) that is adapted to the cut surface (42). After the roller brush (5) is axially sleeved onto the outside of the rotating shaft (4), the plane (51) abuts against the cut surface (42) to limit the circumferential positioning of the roller brush (5) and the rotating shaft (4).

6. The electric cleaning brush according to claim 1, characterized in that: The rear of the housing assembly (1) forms a handle part (11). A battery (20) and a control circuit board (30) are fixed inside the handle part (11). A charging interface (40) is fixed at the rear end of the handle part (11). The motor (2), the charging interface (40) and the battery (20) are all electrically connected to the control circuit board (30). A switch button (50) is connected to the bottom of the front side of the handle part (11). The switch button (50) is used to trigger a first micro switch (60) located inside the handle part (11). A start / stop button (70) is connected to the top of the front side of the handle part (11). The start / stop button (70) is used to trigger a second micro switch (301) located on the control circuit board (30). The first micro switch (60) and the second micro switch (301) are both electrically connected to the control circuit board (30).

7. The electric cleaning brush according to claim 6, characterized in that: A light guide ring (80) is embedded in the top of the front side of the handle (11). The start / stop button (70) is embedded in the light guide ring (80) and can float relative to the light guide ring (80). Several indicator lights (302) are fixed on the control circuit board (30) and are distributed in a circumferentially spaced manner. The light-emitting end of the indicator light (302) faces the inner end of the light guide ring (80).

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