Detachable brush
By introducing a fixing block and a holding part into the brush, the bristle mounting part and the bristles can be separated, which solves the problem of high replacement cost of existing brushes and realizes the convenience and economy of replacing bristles.
Patent Information
- Application Number
- CN202520206550.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-10
AI Technical Summary
The cost of replacing brush heads in existing multi-functional brushes is high, leading to inconvenience and financial burden.
Design a detachable brush. By setting a fixing block and a bristle mounting part inside the brush head, the bristle mounting part and the brush head can be separated or connected by the locking part engaging or disengaging with the fixing block, making it convenient to replace the bristles.
This reduces the cost of replacing brush bristles, avoids the need to replace the entire brush head, and improves the convenience and economy of replacement.
Smart Images

Figure CN223759404U_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of brush technology, and more particularly to a detachable brush. Background Technology
[0002] A brush is an everyday cleaning tool used for many purposes, including cleaning, combing hair, applying makeup, and painting. It is one of the most common tools today, and its main components include the brush head, handle, and bristles.
[0003] Chinese patent CN221204434U discloses a multi-functional brush, including a brush head with bristles fixedly connected to one side. An mounting block is installed at the bottom of the brush head, and a replacement component is provided inside the brush head. An adjusting rod is fixedly connected to the bottom of the mounting block. Simply pulling the connecting rod outwards disengages the fixing rod from the fixing groove, releasing the limiting fixation of the locking block. Then, the locking block can be pulled out of the slot on the inner wall of the brush head, and a new replacement brush head can be installed. However, this multi-functional brush requires replacing the entire brush head, resulting in high replacement costs.
[0004] Therefore, a detachable brush needs to be developed to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide a detachable brush with low replacement cost.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a detachable brush, comprising:
[0007] The brush head has a cavity formed by indentation from the surface inward, and a fixing block is provided on the inner wall of the cavity;
[0008] The brush handle connects to the brush head;
[0009] The bristle mounting part includes mounting holes for mounting bristles and a mounting ring that mates with the cavity. The mounting ring has a notch, and a deformable retaining part is provided on one side of the notch. The retaining part engages with or disengages from the fixing block.
[0010] Furthermore, the fixing block includes a guide block, which is parallel to the bottom surface of the brush head. One end of the guide block forms an inclined surface, and the other end extends horizontally along the inner wall of the side.
[0011] Furthermore, a limiting block is fixedly connected to the end of the guide block, the bottom of the limiting block is connected to the guide block, and its top extends vertically upward along the inner wall of the cavity side.
[0012] Furthermore, the fixing block includes a positioning block, the bottom of which abuts against the upper surface of the guide block, and its top extends vertically upward along the inner wall of the cavity side to abut against the bottom of the cavity.
[0013] Furthermore, the two sides of the positioning block are formed with inclined surfaces.
[0014] Furthermore, the number of the fixing blocks is a pair, which are located on the inner wall of the cavity side and are arranged opposite to each other.
[0015] Furthermore, the mounting ring is also provided with a guide groove, which is recessed inward from the outer surface of the mounting ring, with one end communicating with the notch and the other end extending horizontally.
[0016] Furthermore, the retaining part is located above the guide groove.
[0017] Furthermore, the number of the notch, the guide groove, and the holding part is a pair, corresponding to the positions of a pair of fixed blocks.
[0018] Furthermore, the back of the brush head has several protrusions, and the protrusions are hemispherical in shape.
[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model is a detachable brush with replaceable bristles. By rotating the bristle mounting part, the retaining part can be engaged or disengaged from the fixing block, thereby separating or engaging the bristle mounting part and the brush head. When it is necessary to replace the bristles, the bristle mounting part can be disassembled and new bristles can be replaced, avoiding the need to replace the entire brush head and reducing replacement costs. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:
[0021] Figure 1 This is a three-dimensional structural diagram of a detachable brush according to the present invention;
[0022] Figure 2 for Figure 1 An exploded view of the detachable brush shown.
[0023] Figure 3 for Figure 1 The diagram shows the structure of the detachable brush head.
[0024] Figure 4 for Figure 1 The diagram shows another angle of the detachable brush.
[0025] Figure 5 for Figure 1 The diagram shows the structure of the bristle mounting section of the detachable brush.
[0026] In the diagram: 1. Brush head; 2. Brush handle; 3. Brush bristle mounting part; 11. Cavity; 12. Fixing block; 121. Guide block; 122. Positioning block; 123. Limiting block; 13. Protrusion; 21. Through hole; 22. Clearing groove; 31. Mounting hole; 32. Mounting ring; 33. Notch; 34. Guide groove; 35. Holding part; 36. Anti-slip texture. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Please refer to Figures 1 to 5 This utility model is a detachable brush, which includes a brush head 1, a brush handle 2 connected to the brush head 1, and a bristle mounting part 3 installed on the brush head 1.
[0029] Please refer to Figures 1 to 3 The shape of the brush head 1 can be changed according to requirements, such as a rectangular body or an elliptical body. In this embodiment, the brush head 1 is a cylinder with a cavity 11 formed by recesses from its surface. A fixing block 12 is provided on the inner wall of the side of the cavity 11. The fixing block 12 includes a guide block 121, a positioning block 122 that abuts against the guide block 121, and a limiting block 123. The guide block 121 is parallel to the bottom surface of the brush head 1. One side of the guide block 121 is fixedly connected to the inner wall of the side of the cavity 11, and the other side extends radially toward the cavity 11. Furthermore, one end of the guide block 121 forms an inclined surface, and the other end extends horizontally along the inner wall of the side and is fixedly connected to the limiting block 123. The bottom of the limiting block 123 is connected to the guide block 121, and its top extends vertically upward along the inner wall of the side of the cavity 11 to limit the position of the bristle mounting part 3.
[0030] One side of the positioning block 122 is fixedly connected to the inner wall of the side of the cavity 11, and the other side extends radially toward the cavity 11. Specifically, the bottom of the positioning block 122 abuts against the upper surface of the guide block 121, and its top extends vertically upward along the inner wall of the side of the cavity 11 and abuts against the bottom of the cavity 11. Preferably, the two sides of the positioning block 122 form inclined surfaces, and the distance between the positioning block 122 and the limiting block 123 can be changed according to the requirements.
[0031] Preferably, the number of fixing blocks 12 is a pair, which are located on the inner side wall of the cavity 11 and are arranged opposite to each other.
[0032] The back of the brush head 1 has several protrusions 13. The shape of the protrusions 13 can be changed according to the requirements. In this embodiment, the protrusions 13 are hemispherical, with their bottoms fixedly connected to the brush head 1 and their tops extending outwards. The protrusions 13 are distributed in a ring around the center of the brush head 1. The protrusions 13 are used for massage.
[0033] One end of the brush handle 2 is fixedly connected to the brush head 1, and the other end extends vertically outward. The end of the brush handle 2 forms a through hole 21, which penetrates the upper and lower surfaces of the brush handle 2. When not in use, it can be hung in other positions by hooks or other components.
[0034] The brush handle 2 also has a relief groove 22, which is formed by an inward recess from the surface of the brush handle 2 and extends from one end of the brush handle 2 to the other end, to improve the user's grip and prevent slippage.
[0035] Please refer to Figure 2 and Figure 5 The shape of the bristle mounting part 3 matches the shape of the brush head 1. The bristle mounting part 3 is recessed inward from its lower surface to form a mounting hole 31. The mounting holes 31 are distributed in a ring around the center of the bristle mounting part 3. The mounting holes 31 are used to mount bristles (not shown).
[0036] The top of the bristle mounting part 3 is provided with a mounting ring 32. The diameter of the mounting ring 32 is smaller than the diameter of the cavity 11. The mounting ring 32 has a notch 33, which is formed by recessing from the upper surface of the mounting ring 32. The mounting ring 32 is also provided with a guide groove 34 and a retaining part 35 located above the guide groove 34. The guide groove 34 is formed by recessing from the outer surface of the mounting ring 32. One end of the guide groove 34 is connected to the notch 33, and the other end extends horizontally. The retaining part 35 is formed by recessing from the outer surface of the mounting ring 32. Its width matches the width of the positioning block 122. Preferably, the thickness of the retaining part 35 is greater than that of the mounting ring 32 to prevent the retaining part 35 from breaking during deformation.
[0037] Furthermore, the number of notches 33, guide grooves 34, and retaining parts 35 located above guide grooves 34 is a pair, corresponding to the positions of a pair of fixed blocks 12.
[0038] The side of the bristle mounting part 3 is provided with anti-slip texture 36, which is used to increase the resistance when rotating the bristle mounting part 3.
[0039] When installing a detachable brush according to this utility model, the bristle mounting part 3 and the brush head 1 are connected, the mounting ring 32 enters the cavity 11, and the fixing block 12 reaches one side of the guide groove 34 through the notch 33. Then, the bristle mounting part 3 is rotated counterclockwise, and the holding part 35 and the guide groove 34 move accordingly. The guide block 121 enters the guide groove 34 and moves along the guide groove 34. After moving into place, it is blocked by the limiting block 123. At the same time, the holding part 35 deforms and enters the holding part 35 through its inclined surface via the positioning block 122, realizing the holding connection between the bristle mounting part 3 and the brush head 1. When the bristles need to be replaced, the bristle mounting part 3 is rotated clockwise, and the holding part 35 and the guide groove 34 move accordingly. The holding part 35 deforms, the positioning block 122 is pushed out of the holding part 35, and the guide block 121 is pushed out of the guide groove 34, separating the bristle mounting part 3 and the brush head 1.
[0040] This utility model is a detachable brush with low replacement cost. By rotating the bristle mounting part, the retaining part can be engaged or disengaged from the fixing block, realizing the separation or engagement of the bristle mounting part and the brush head. When the bristles need to be replaced, the bristle mounting part can be disassembled and new bristles can be replaced, avoiding the need to replace the entire brush head and reducing replacement cost.
[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A detachable brush characterized by, It includes: The brush head (1) has a cavity (11) formed by recessing inward from the surface, and a fixed clamping block (12) is arranged on the inner wall of the cavity (11); The brush handle (2) is connected with the brush head (1); The bristle mounting part (3) includes a mounting hole (31) for mounting the bristles, and a mounting ring (32) which is in butt joint with the cavity (11), the mounting ring (32) has a notch (33), one side of the notch (33) is provided with a deformable clamping part (35), and the clamping part (35) is in clamping connection or disengagement with the fixed clamping block (12).
2. The disassemblable brush according to claim 1, characterized in that, The fixed clamping block (12) includes a guide block (121), the guide block (121) is parallel to the bottom surface of the brush head (1), one end of the guide block (121) forms an inclined surface, and the other end extends horizontally along the inner wall of the side surface.
3. The disassemblable brush according to claim 2, characterized in that, The end of the guide block (121) is fixedly connected with a limiting block (123), the bottom of the limiting block (123) is connected with the guide block (121), and the top of the limiting block (123) extends vertically upward along the inner wall of the side surface of the cavity (11).
4. The disassemblable brush according to claim 3, characterized in that, The fixed clamping block (12) includes a positioning block (122), the bottom of the positioning block (122) is in abutment with the upper surface of the guide block (121), and the top of the positioning block (122) extends vertically upward along the inner wall of the side surface of the cavity (11) and is in abutment with the bottom of the cavity (11).
5. The disassemblable brush according to claim 4, characterized in that, The two sides of the positioning block (122) form inclined surfaces.
6. The disassemblable brush according to claim 1, wherein The number of the fixed clamping block (12) is one pair, which are respectively arranged on the inner walls of the side surfaces of the cavity (11) and oppositely arranged.
7. The disassemblable brush according to claim 1, wherein The mounting ring (32) is also provided with a guide groove (34), the guide groove (34) is recessed inward from the outer surface of the mounting ring (32) to form, one end of the guide groove (34) is in communication with the notch (33), and the other end of the guide groove (34) extends horizontally.
8. The disassemblable brush according to claim 7, characterized in that, The clamping part (35) is located above the guide groove (34).
9. The disassemblable brush according to claim 7, wherein The number of the notch (33), the guide groove (34) and the clamping part (35) is one pair, which corresponds to the positions of the pair of fixed clamping blocks (12).
10. The disassemblable brush according to claim 1, wherein The back surface of the brush head (1) has a plurality of protrusions (13), and the plurality of protrusions (13) are semispherical.
Citation Information
Patent Citations
Multifunctional brush
CN221204434U