Brush and rotary connecting mechanism thereof
By adopting simple connecting components in the rotating connection mechanism of the brush, including buttons, locking members and elastic members, the easy-to-operate unlocking and locking of the brush head is achieved, and the problem of inconvenient operation of the existing brush is solved.
Patent Information
- Application Number
- CN202421258208.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing brush rotating connection mechanism is complex, especially the structure of the locking/unlocking brush head position, which leads to inconvenient operation.
Using a rotating connection mechanism including a movable housing, a fixed housing and a connecting assembly, the first button, a locking member and a first elastic member in the connecting assembly can unlock/lock the movable housing, which is simple in structure and easy to operate.
The brush rotating connection mechanism with a simple structure and easy to operate is realized. The movable housing can be unlocked by pressing the button with one hand, and the position can be automatically locked, reducing operation difficulty and production costs.
Smart Images
Figure CN222604013U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of brushes, and in particular to a brush and a rotating connection mechanism thereof. Background Art
[0002] At present, brushes, especially electric brushes, may be provided with a function that the brush head can be adjusted in angle, so that the brush head has multiple use angles and is more convenient to use. Furthermore, for brushes with adjustable brush head angles, a structure for locking / unlocking the brush head position is also required.
[0003] However, the existing brushes have the following defects: their rotation connection mechanism is relatively complicated, especially a part of the structure related to locking / unlocking the brush head position is relatively complicated, resulting in inconvenience in operation. Summary of the invention
[0004] An object of the present application is to provide a brush and a rotating connection mechanism thereof which are simple in structure and easy to operate.
[0005] To achieve the above objectives, the technical solution adopted in the present application is: a rotating connection mechanism, which includes a movable shell, a fixed shell and a connecting assembly, the movable shell is provided with a first mounting hole along a first direction, the fixed shell is provided with a second mounting hole along the first direction, the connecting assembly is sequentially penetrated through the first mounting hole and the second mounting hole along the first direction to realize the rotating connection of the movable shell to the fixed shell, the movable shell is provided with at least two locking holes around the circumference of the first mounting hole, the connecting assembly includes a first button, a locking piece, and a first elastic piece, the locking piece is slidably arranged on the fixed shell, and is provided with a locking protrusion suitable for being inserted into different locking holes as the movable shell rotates, the first button is suitable for driving the locking protrusion to exit the locking hole, and the first elastic piece is suitable for pushing the locking protrusion to insert into the locking hole.
[0006] Preferably, the locking member includes a locking plate, a locking protrusion and a first connecting shaft, the locking plate extends perpendicular to the first direction and is slidably arranged in the second mounting hole along the first direction, the locking protrusion extends close to the locking hole along the first direction based on the locking plate, and the first connecting shaft extends along the first direction based on the locking plate, and passes through the first mounting hole to be connected to the first button.
[0007] As a preferred embodiment, the movable shell includes a first cylinder and a first connecting ring connected to each other, and the fixed shell includes a second cylinder and a second connecting ring connected to each other, the second connecting rings are arranged in two intervals along the first direction, the first connecting ring is arranged between the two second connecting rings, the first mounting hole is formed in the middle of the first connecting ring, the locking hole is formed on the side at one end of the first mounting hole, the second mounting hole is formed in the middle of the second connecting ring, the locking plate is slidably arranged in the second mounting hole of one of the second connecting rings along the first direction, and the first button is slidably arranged in the second mounting hole of the other second connecting ring.
[0008] Preferably, the first elastic member is arranged on one side of the locking member along the first direction, the first button is arranged on the opposite side of the locking member along the first direction, one end of the first elastic member abuts against the locking member, and the other end abuts against the second button, and the second button is slidably connected to the fixed shell.
[0009] Preferably, the connecting assembly also includes an auxiliary part arranged opposite to the locking part, the auxiliary part includes an auxiliary disk and a second connecting shaft connected to each other, the auxiliary disk is arranged opposite to the locking disk and is arranged on the side close to the first button, the second connecting shaft extends along the first direction based on the auxiliary disk and is connected to the second button; the locking disk is provided with a first positioning hole suitable for the first connecting shaft to pass through, and the auxiliary disk is provided with a second positioning hole suitable for the second connecting shaft to pass through.
[0010] Preferably, a second elastic member is provided between the auxiliary disk and the first button to reset the first button.
[0011] As a preferred embodiment, the fixed shell is provided with a limiting boss protruding inwardly perpendicular to the first direction on the side of the second mounting hole close to the first mounting hole to limit the connecting component in the first direction, and the limiting boss is also provided with a positioning groove recessed along the first direction. The connecting component also includes a rotating shaft, which includes a barrel and a positioning boss located at the end of the barrel, and the shape of the positioning boss matches the positioning groove to achieve fixation of the rotating shaft and the fixed shell, and the shape of the barrel matches the first mounting hole, so that the movable shell can rotate around the barrel, thereby achieving rotational connection of the movable shell to the fixed shell.
[0012] Preferably, the locking member is provided with two opposite locking protrusions, the movable housing is provided with two groups of corresponding locking holes, and each group of locking holes includes at least two locking holes.
[0013] Preferably, the movable shell is provided with a first wire passing hole connected to the first mounting hole, the fixed shell is provided with a second wire passing hole connected to the second mounting hole, and the connecting assembly is provided with a third wire passing hole connected to the first mounting hole and the second mounting hole.
[0014] The present application also provides a brush, which uses any of the above-mentioned rotating connection mechanisms, wherein the movable shell is connected to the brush head, and the fixed shell is connected to the handle.
[0015] Compared with the prior art, the beneficial effects of the present application are as follows: (1) The movable shell is rotatably connected to the fixed shell through a connecting assembly, and the connecting assembly includes a first button, a locking member, and a first elastic member. The locking member is provided with a locking protrusion suitable for inserting into the lock hole on the movable shell. The first button and the first elastic member respectively control the withdrawal and insertion of the locking protrusion into the lock hole to realize the unlocking / locking of the movable shell. The structure is simple, the processing and manufacturing cost is low, and it is easy to assemble. (2) The movable shell can be unlocked by pressing the first button with one hand, and the movable shell can be rotated. When the first button is released, the locking protrusion can automatically align and insert into the lock hole during the rotation of the movable shell under the action of the first elastic member, thereby automatically locking the position of the movable shell. Compared with the existing brushes, such as brushes that require two-way pressing of buttons to unlock, the present application can be unlocked with one hand and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of the brush in some embodiments of the present application;
[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the brush head rotating in the middle brush;
[0018] Figure 3 It is a schematic diagram of the exploded structure of the rotating connection mechanism of the brush in some embodiments of the present application;
[0019] Figure 4 This is a schematic diagram of the exploded structure of the connection assembly in some embodiments of the present application;
[0020] Figure 5 This is a schematic diagram of a partial structure of a rotating connection mechanism in some embodiments of the present application;
[0021] Figure 6 This is a schematic diagram of the structure of the rotating connection mechanism in some embodiments of the present application;
[0022] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure in the AA direction;
[0023] Figure 8 for Figure 6Schematic diagram of the cross-sectional structure in the middle BB direction;
[0024] In the figure: 01, brush head; 02, handle; 10, movable shell; 11, first cylinder; 12, first connecting ring; 1a, first mounting hole; 1b, locking hole; 12a, first wire hole; 20, fixed shell; 21, second cylinder; 22, second connecting ring; 2a, second mounting hole; 221, limiting boss; 22a, positioning groove; 22b, second wire hole; 30, connecting assembly; 31, second button; 32, first elastic member; 33, locking member; 331, locking plate; 33a, first positioning hole; 332, locking protrusion; 333, first connecting shaft; 34, rotating shaft; 341, cylinder; 342, positioning boss; 34a, third wire hole; 35, auxiliary member; 351, auxiliary plate; 35a, second positioning hole; 352, second connecting shaft; 36, second elastic member; 37, first button. DETAILED DESCRIPTION
[0025] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0026] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.
[0027] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.
[0028] The terms "including" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.
[0029] The present application provides a brush and a rotating connection mechanism thereof, such as Figure 1-Figure 8As shown, the brush includes a brush head 01, a movable shell 10, a fixed shell 20, and a handle 02. The brush head 01 is connected to the movable shell 10, and the handle 02 is connected to the fixed shell 20 (including integral molding). The movable shell 10 and the fixed shell 20 are rotatably connected so that the angle of the brush head 01 can be adjusted.
[0030] Furthermore, the present application provides a rotational connection mechanism, which includes a movable shell 10, a fixed shell 20 and a connecting assembly 30. The movable shell 10 is provided with a first mounting hole 1a along a first direction, and the fixed shell 20 is provided with a second mounting hole 2a along the first direction. The connecting assembly 30 is sequentially penetrated through the first mounting hole 1a and the second mounting hole 2a along the first direction to realize that the movable shell 10 is rotatably connected to the fixed shell 20. The movable shell 10 is provided with at least two locking holes 1b around the circumference of the first mounting hole 1a. The connecting assembly 30 includes a first button 37, a locking member 33, and a first elastic member 32. The locking member 33 is slidably arranged on the fixed shell 20, and is provided with a locking protrusion 332 suitable for being inserted into different locking holes 1b as the movable shell 10 rotates. The first button 37 is suitable for driving the locking protrusion 332 to exit the locking hole 1b, and the first elastic member 32 is suitable for pushing the locking protrusion 332 to insert into the locking hole 1b. The present application realizes the movable housing 10 to be rotatably connected to the fixed housing 20 through the connecting assembly 30, and the connecting assembly 30 includes a first button 37, a locking member 33, and a first elastic member 32. The locking member 33 is provided with a locking protrusion 332 suitable for inserting into the lock hole 1b on the movable housing 10. The first button 37 and the first elastic member 32 respectively control the locking protrusion 332 to withdraw and insert into the lock hole 1b, so as to realize the unlocking / locking of the movable housing 10. The structure is simple, the processing and manufacturing cost is low, and it is easy to assemble. The movable housing 10 can be unlocked by pressing the first button 37 with one hand, and the movable housing 10 can be rotated. The first button 37 is released, and the locking protrusion 332 can automatically align and insert into the lock hole 1b during the rotation process of the movable housing 10 under the action of the first elastic member 32, so as to realize the automatic locking of the position of the movable housing 10. Compared with the existing brush, such as the brush that needs to be unlocked by pressing the button in both directions, the present application can be unlocked with one hand, which is easy to operate.
[0031] In some embodiments, the locking member 33 includes a locking plate 331, a locking protrusion 332 and a first connecting shaft 333. The locking plate 331 extends perpendicularly to the first direction to be opposite to the locking hole 1b on the side of the first housing. The locking plate 331 is slidably arranged in the second mounting hole 2a along the first direction. The locking protrusion 332 extends along the first direction close to the locking hole 1b based on the locking plate 331, and can follow the sliding of the locking plate 331 to be inserted into or withdrawn from the locking hole 1b. The first connecting shaft 333 extends along the first direction based on the locking plate 331, and passes through the first mounting hole 1a to connect with the first button 37, so as to realize the transmission between the first button 37 and the locking plate 331, and the connecting structure is simple. Further, the locking plate 331, the locking protrusion 332 and the first connecting shaft 333 can be an integrated structure to reduce the number of parts and reduce the difficulty of assembly.
[0032] In some embodiments, the movable shell 10 includes a first cylinder 11 and a first connecting ring 12 connected to each other, and the fixed shell 20 includes a second cylinder 21 and a second connecting ring 22 connected to each other, the second connecting ring 22 is arranged to be two at intervals along the first direction, the first connecting ring 12 is arranged between the two second connecting rings 22, a first mounting hole 1a is formed in the middle of the first connecting ring 12, a lock hole 1b is formed on the side at one end of the first mounting hole 1a, a second mounting hole 2a is formed in the middle of the second connecting ring 22, the locking plate 331 is slidably arranged in the second mounting hole 2a of one of the second connecting rings 22 along the first direction, and the first button 37 is slidably arranged in the second mounting hole 2a of the other second connecting ring 22. The connecting assembly 30 passes the first connecting ring 12 between the two second connecting rings 22 along the first direction, providing stable and reliable support for both sides of the movable shell 10 along the first direction. The first button 37 and the locking plate 331 are respectively arranged on the second connecting rings 22 on both sides along the first direction, and the space of the two second mounting holes 2a is reasonably utilized to arrange and set various parts along the first direction, which is conducive to installing the first elastic member 32 for resetting the locking plate 331 and the second elastic member 36 for resetting the first button 37 on both sides.
[0033] In some embodiments, the first elastic member 32 is arranged on one side of the locking member 33 along the first direction, and the first button 37 is arranged on the opposite side of the locking member 33 along the first direction. One end of the first elastic member 32 abuts against the locking member 33, and the other end abuts against the second button 31, and the second button 31 is slidably connected to the fixed housing 20. In other words, the second housing is provided with a second button 31 opposite to the first button 37, and the second button 31 can be snap-connected with the second housing, which is easy to disassemble and assemble, and can facilitate the installation and disassembly of the components in the connecting assembly 30 that need to be installed on the side where the second button 31 is located in the second mounting hole 2a on the side.
[0034] In some embodiments, the connection assembly 30 further includes an auxiliary member 35 disposed opposite to the locking member 33, the auxiliary member 35 includes an auxiliary disk 351 and a second connecting shaft 352 connected to each other, the auxiliary disk 351 is disposed opposite to the locking disk 331 and disposed on a side close to the first button 37, the second connecting shaft 352 extends along the first direction based on the auxiliary disk 351 and is connected to the second button 31; the locking disk 331 is provided with a first positioning hole 33a suitable for the first connecting shaft 333 to pass through, and the auxiliary disk 351 is provided with a second positioning hole 35a suitable for the second connecting shaft 352 to pass through. The setting of the two positioning holes can provide sliding guides for the corresponding connecting shafts, and the interconnected setting is conducive to strengthening the structural strength.
[0035] In some embodiments, a second elastic member 36 is disposed between the auxiliary disk 351 and the first button 37 to reset the first button 37 .
[0036] In some embodiments, the fixed shell 20 is provided with a limiting boss 221 protruding inward perpendicular to the first direction on the side of the second mounting hole 2a close to the first mounting hole 1a to limit the connecting component 30 in the first direction. The limiting boss 221 is also provided with a positioning groove 22a recessed along the first direction. The connecting component 30 also includes a rotating shaft 34. The rotating shaft 34 includes a barrel 341 and a positioning boss 342 located at the end of the barrel 341. The shape of the positioning boss 342 matches the positioning groove 22a to achieve the fixation of the rotating shaft 34 and the fixed shell 20. The shape of the barrel 341 matches the first mounting hole 1a, so that the movable shell 10 can rotate around the barrel 341, thereby achieving the rotation connection of the movable shell 10 to the fixed shell 20.
[0037] In some embodiments, the locking member 33 is provided with two opposite locking protrusions 332, and the movable housing 10 is provided with two groups of corresponding locking holes 1b, each group of locking holes 1b includes at least two locking holes 1b, which is beneficial to increase the structural strength and achieve reliable locking.
[0038] In some embodiments, the movable shell 10 is provided with a first wire passing hole 12a connected to the first mounting hole 1a, the fixed shell 20 is provided with a second wire passing hole 22b connected to the second mounting hole 2a, and the connecting component 30 is provided with a third wire passing hole 34a connected to the first mounting hole 1a and the second mounting hole 2a, so as to realize electrical connection between the parts on one side of the movable shell 10 and the parts on the side of the fixed shell 20 without being affected by the rotation of the movable shell 10.
[0039] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.
Claims
1. A rotary connection mechanism, characterized in that: The invention comprises a movable shell, a fixed shell and a connecting component, wherein the movable shell is provided with a first mounting hole along a first direction, the fixed shell is provided with a second mounting hole along the first direction, the connecting component is sequentially penetrated through the first mounting hole and the second mounting hole along the first direction, so that the movable shell is rotatably connected to the fixed shell, the movable shell is provided with at least two locking holes around the circumference of the first mounting hole, the connecting component comprises a first button, a locking member and a first elastic member, the locking member is slidably provided on the fixed shell, and is provided with locking protrusions suitable for being inserted into different locking holes as the movable shell rotates, the first button is suitable for driving the locking protrusion to exit the locking hole, and the first elastic member is suitable for pushing the locking protrusion to insert into the locking hole.
2. The rotary connection mechanism according to claim 1, characterized in that: The locking member includes a locking plate, a locking protrusion and a first connecting shaft. The locking plate extends perpendicular to the first direction and is slidably arranged in the second mounting hole along the first direction. The locking protrusion extends close to the locking hole along the first direction based on the locking plate. The first connecting shaft extends along the first direction based on the locking plate and passes through the first mounting hole to be connected to the first button.
3. The rotary connection mechanism according to claim 2, characterized in that: The movable shell includes a first cylinder and a first connecting ring connected to each other, and the fixed shell includes a second cylinder and a second connecting ring connected to each other, the second connecting rings are arranged in two intervals along the first direction, the first connecting ring is arranged between the two second connecting rings, the first mounting hole is formed in the middle of the first connecting ring, the locking hole is formed on the side at one end of the first mounting hole, and the second mounting hole is formed in the middle of the second connecting ring, the locking plate is slidably arranged in the second mounting hole of one of the second connecting rings along the first direction, and the first button is slidably arranged in the second mounting hole of the other second connecting ring.
4. The rotary connection mechanism according to claim 2 or 3, characterized in that: The first elastic member is arranged on one side of the locking member along the first direction, the first button is arranged on the opposite side of the locking member along the first direction, one end of the first elastic member abuts against the locking member, and the other end abuts against the second button, and the second button is slidably connected to the fixed shell.
5. The rotary connection mechanism according to claim 4, characterized in that: The connecting assembly also includes an auxiliary part arranged opposite to the locking part, and the auxiliary part includes an auxiliary disk and a second connecting shaft connected to each other. The auxiliary disk is arranged opposite to the locking disk and on the side close to the first button. The second connecting shaft extends along the first direction based on the auxiliary disk and is connected to the second button. The locking disk is provided with a first positioning hole suitable for the first connecting shaft to pass through, and the auxiliary disk is provided with a second positioning hole suitable for the second connecting shaft to pass through.
6. The rotary connection mechanism according to claim 5, characterized in that: A second elastic member is disposed between the auxiliary disk and the first button to reset the first button.
7. The rotary connection mechanism according to any one of claims 1 to 3, characterized in that: The fixed shell is provided with a limiting boss protruding inwardly perpendicular to the first direction on one side of the second mounting hole close to the first mounting hole to limit the connecting component in the first direction, and the limiting boss is also provided with a positioning groove recessed along the first direction. The connecting component also includes a rotating shaft, which includes a barrel and a positioning boss located at the end of the barrel, and the shape of the positioning boss matches the positioning groove to achieve fixation of the rotating shaft and the fixed shell, and the shape of the barrel matches the first mounting hole, so that the movable shell can rotate around the barrel, and the movable shell is rotatably connected to the fixed shell.
8. The rotary connection mechanism according to claim 1, characterized in that: The locking member is provided with two opposite locking protrusions, and the movable housing is provided with two groups of corresponding locking holes, and each group of locking holes includes at least two locking holes.
9. The rotary connection mechanism according to claim 1, characterized in that: The movable housing is provided with a first wire passing hole connected to the first mounting hole, the fixed housing is provided with a second wire passing hole connected to the second mounting hole, and the connecting assembly is provided with a third wire passing hole connected to the first mounting hole and the second mounting hole.
10. A brush, characterized in that: The rotating connection mechanism as described in any one of claims 1 to 9 is applied, wherein the movable shell is connected to the brush head, and the fixed shell is connected to the handle.