Brush assembly connecting structure of sweeping robot
By setting limiting grooves and snap-fit grooves on the brush connector of the sweeping robot, combined with a reset spring and a pin, the complex problem of fixing the brush to the drive rod is solved, and a convenient replacement and cleaning process is realized.
Patent Information
- Application Number
- CN202423166460.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-20
AI Technical Summary
The existing method of fixing the brushes and drive rods of robotic vacuum cleaners is complicated, making replacement and cleaning inconvenient.
A connecting structure is set on the drive rod, and a limiting groove and a snap-fit groove are set on the brush connector. The quick connection and disassembly of the brush connector and the drive rod are achieved by snap-fit protrusion and return spring.
It enables convenient replacement and cleaning of brush connectors, improving operational efficiency.
Smart Images

Figure CN223715667U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of robot vacuum cleaner accessories, and in particular to a connection structure for a robot vacuum cleaner brush assembly. Background Technology
[0002] A robotic vacuum cleaner, also known as an automatic cleaning machine, intelligent vacuum cleaner, or robotic vacuum cleaner, generally uses brushing and vacuuming to suck up debris from the floor into its own dustbin, thus completing the floor cleaning function. It carries multiple cleaning components, including a brush cleaning component. The internal drive unit of the robotic vacuum cleaner drives the installed brush cleaning component to rotate through the drive rod, thereby cleaning the floor.
[0003] In existing technologies, replaceable brushes used in robotic vacuum cleaners are mostly fixed to the drive rod using bolts or clips. This makes installation and disassembly very troublesome, and also makes it inconvenient to replace and clean the brush cleaning components later. Utility Model Content
[0004] In view of the problems existing in the background technology, this utility model provides a connection structure for the brush assembly of a sweeping robot.
[0005] This utility model embodiment proposes a brush assembly connection structure for a sweeping robot, including a brush connector and a drive rod. The brush connector has multiple bristles around its periphery. The drive rod is used to connect to the drive device inside the sweeping robot. The brush connector has a second mounting groove for the drive rod to be inserted into. The bottom of the brush connector has a first mounting groove. The first mounting groove has a limiting groove around its periphery. The drive rod has a connecting structure for connecting with the limiting groove.
[0006] In an optional embodiment, the second mounting groove is provided with a snap-fit groove on its periphery, and the drive rod is provided with a snap-fit protrusion on its periphery, the snap-fit protrusion cooperating with the snap-fit groove.
[0007] In an optional embodiment, multiple snap-fit grooves and multiple snap-fit protrusions are provided, with the multiple snap-fit grooves distributed along the axial direction of the brush connector and the multiple snap-fit protrusions distributed along the axial direction of the drive rod.
[0008] In an optional embodiment, the connection structure includes a return spring, a pin, and a cavity disposed within the drive rod. The return spring is disposed within the cavity, the pin is fixed to the end of the return spring, and at least a portion of the pin extends out of the cavity.
[0009] In an alternative embodiment, the cavity bottom is provided with a through slot, the through slot is communicated with the cavity, the plug pin is fixed with a push rod, and the push rod extends out of the drive rod through the through slot.
[0010] In an alternative embodiment, the drive rod has a protruding portion, and the connecting structure is located in the protruding portion.
[0011] In an alternative embodiment, the protruding portion is matched with the first mounting slot.
[0012] Compared with the prior art, the utility model has the following beneficial technical effects:
[0013] In the utility model, the connecting structure is arranged on the drive rod, the limiting slot matched with the connecting structure is arranged on the brush connecting piece, the brush connecting piece and the drive rod are connected through the connecting structure, the brush connecting piece is convenient to replace, the push rod is moved along the through slot, the plug pin is compressed and reset, then the brush connecting piece and the drive rod are assembled, the push rod is loosened, the plug pin is arranged in the limiting slot through the reset of the reset spring, and the brush connecting piece and the drive rod are connected. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 The structure schematic view of the brush connecting piece in the embodiment of the utility model is given;
[0015] Fig. 2 The structure schematic view of the drive rod in the embodiment of the utility model is given;
[0016] Fig. 3 The front view of the drive rod in the embodiment of the utility model is given;
[0017] Mark: 100, brush connecting piece; 110, clamping groove; 120, limiting slot; 130, first mounting slot; 140, brush hair; 150, second mounting slot; 200, drive rod; 210, clamping protrusion; 220, protruding portion; 230, plug pin; 240, reset spring; 250, push rod. DETAILED DESCRIPTION
[0018] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0019] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "internal", "external", "front", "back" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.
[0020] As Figs. 1 to 3 The utility model discloses a kind of brush assembly connecting structures of sweeping robot, including brush connecting piece 100 and driving rod 200, the brush connecting piece 100 is provided with a plurality of bristles 140 on the side, the driving rod 200 is used to connect the driving device inside sweeping robot, the brush connecting piece 100 is provided with the second installation groove 150 for driving rod 200 insertion, the brush connecting piece 100 bottom is provided with first installation groove 130, the first installation groove 130 is provided with limit slot 120 on the side, the driving rod 200 is provided with connecting structure, and the connecting structure is used to be connected with the limit slot 120.
[0021] By being provided with connecting structure on driving rod 200, and being provided with limit slot 120 matched with connecting structure on brush connecting piece 100, the connection of brush connecting piece 100 and driving rod 200 is realized by connecting structure, and brush connecting piece 100 is replaced conveniently.
[0022] Further, the side of the second installation groove 150 is provided with a clamping groove 110, and the side of the driving rod 200 is provided with a clamping protrusion 210, and the clamping protrusion 210 is matched with the clamping groove 110. The driving rod 200 is connected with the driving device inside the sweeping robot, and the clamping groove 110 and the clamping protrusion 210 are arranged, so that the brush connecting piece 100 can be rotated when the driving rod 200 rotates, and then the bristles 140 are rotated, so that the cleaning function is realized.
[0023] Further, the clamping groove 110 and the clamping protrusion 210 are provided with a plurality of clamping grooves, and the plurality of clamping grooves 110 are distributed along the axis direction of the brush connecting piece 100, and the plurality of clamping protrusions 210 are distributed along the axis direction of the driving rod 200. By the arrangement of multiple clamping grooves 110 and clamping protrusions 210, the rotation of the brush connecting piece 100 is more stable.
[0024] In the embodiment, the connecting structure comprises a reset spring 240, a latch 230 and a cavity arranged in the driving rod 200, the reset spring 240 is arranged in the cavity, the latch 230 is fixed to the end of the reset spring 240, and at least a part of the latch 230 extends out of the cavity.
[0025] The bottom of the cavity is provided with a through slot, the through slot is communicated with the cavity, the latch 230 is fixed with a push rod 250, and the push rod 250 extends out of the driving rod 200 through the through slot.
[0026] The push rod 250 is moved along the through slot, so that the latch 230 compresses the reset spring 240, then the brush connecting piece 100 is assembled with the driving rod 200, the push rod 250 is loosened, the latch 230 enters the limiting groove 120 through the reset of the reset spring 240, and the connection between the brush connecting piece 100 and the driving rod 200 is realized.
[0027] In the embodiment, the driving rod 200 has a protruding portion 220, and the connecting structure is located in the protruding portion 220. The protruding portion 220 is matched with the first mounting groove 130. By arranging the protruding portion 220 and the first mounting groove 130, on the one hand, the connecting structure part is exposed, and operation is facilitated, and on the other hand, the use of the brush connecting piece 100 as a consumable can be reduced.
[0028] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "arrangement" should be understood broadly, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, can be directly connected, also can be indirectly connected through intermediate medium. For ordinary skilled in the art, according to the specific circumstances, the specific meaning of the above-mentioned terms in the utility model is understood.
[0029] The above specific embodiments are only one or several preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above-mentioned embodiments, the above-mentioned specific embodiments can be made by the person skilled in the art. Various alternative improvements and combinations.
Claims
1. A connection structure of a brush assembly of a robot vacuum cleaner, characterized by, The application relates to a brush connecting piece (100) and a driving rod (200), the brush connecting piece (100) is provided with a plurality of brush hairs (140) on the periphery, the driving rod (200) is used for connecting a driving device inside a sweeping robot, the brush connecting piece (100) is provided with a second mounting groove (150) for inserting the driving rod (200), the bottom of the brush connecting piece (100) is provided with a first mounting groove (130), the first mounting groove (130) is provided with a limiting groove (120) on the periphery, the driving rod (200) is provided with a connecting structure, and the connecting structure is used for connecting with the limiting groove (120).
2. The brush assembly connection structure of the robotic vacuum cleaner according to claim 1, wherein, The periphery of the second mounting groove (150) is provided with a clamping groove (110), and the periphery of the driving rod (200) is provided with a clamping protrusion (210); the clamping protrusion (210) and the clamping groove (110) are matched.
3. The robot vacuum cleaner brush assembly connection structure of claim 2, wherein, The clamping groove (110) and the clamping protrusion (210) are both provided with a plurality of clamping grooves (110) which are distributed along the axial direction of the brush connecting piece (100), and a plurality of clamping protrusions (210) which are distributed along the axial direction of the driving rod (200).
4. The brush assembly connection structure of the robotic vacuum cleaner according to claim 1, wherein, The connecting structure comprises a reset spring (240), a bolt (230) and a cavity provided in the driving rod (200), the reset spring (240) is arranged in the cavity, the bolt (230) is fixed to the end of the reset spring (240), and at least a part of the bolt (230) extends out of the cavity.
5. The robot vacuum mop assembly connection structure of claim 4, wherein, The bottom of the cavity is provided with a through groove which is communicated with the cavity, a push rod (250) is fixed to the bolt (230), and the push rod (250) extends out of the driving rod (200) through the through groove.
6. The robot vacuum mop assembly connection structure of claim 5, wherein, The driving rod (200) has a protruding part (220), and the connecting structure is located in the protruding part (220).
7. The robot vacuum cleaner brush assembly connection structure of claim 6, wherein, The protruding part (220) is matched with the first mounting groove (130).