Electric toothbrush
By employing a design that allows the flexible cantilever to snap into the handle housing in the electric toothbrush, the vibration and noise issues between the motor support and the handle housing are resolved, thereby reducing vibration amplitude and noise, and improving user experience and ease of assembly.
Patent Information
- Application Number
- CN202423260458.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In existing electric toothbrushes, the rigid connection between the motor support and the handle housing causes vibration and noise problems, affecting the user experience.
The design employs a flexible cantilever that snaps into the handle housing. This flexible connection between the cantilever and the main body eliminates the gap between the bracket and the handle housing, reducing vibration amplitude. The cushioning effect of the flexible cantilever also reduces collision noise.
It effectively reduces vibration and noise between the stand and the handle housing, improves user comfort, and simplifies the assembly process.
Smart Images
Figure CN223715839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a washing and dressing article technical field, especially an electric toothbrush. BACKGROUND
[0002] The electric toothbrush makes the brush head produce high frequency vibration through the rapid rotation or vibration of the motor core, and instantaneously decomposes toothpaste into fine foam, and deeply cleans the tooth gap, and at the same time, the vibration of the bristle can promote the blood circulation of the oral cavity, and has the massage effect on the gum tissue.
[0003] The existing motor core of the electric toothbrush is usually clamped on the guide rail of the handle shell through the motor core support, and the motor core support and the handle shell are rigidly connected. Since there is a gap between the motor core support and the handle shell, the motor core support and the handle shell will collide with each other and produce a large vibration and noise during the use of the user, thereby affecting the experience of the user. UTILITY MODEL CONTENT
[0004] The main purpose of the utility model is to provide an electric toothbrush, which aims to weaken the vibration and noise caused by the collision between the support and the handle shell of the electric toothbrush.
[0005] In order to achieve the above-mentioned purpose, the electric toothbrush provided by the utility model comprises a motor core, a support and a handle shell, the motor core is arranged on the support, the handle shell is sleeved on the support, and the support comprises:
[0006] a main body, the main body and the handle shell form an installation cavity, and the motor core is located in the installation cavity; and
[0007] an elastic suspension arm, one side of the elastic suspension arm facing the handle shell is formed with a protrusion, and the elastic suspension arm is elastically connected with the main body so that the protrusion is tightly clamped on the handle shell.
[0008] In an embodiment, the elastic suspension arm and the main body are integrally formed.
[0009] In an embodiment, the support comprises a plurality of elastic suspension arms, and each two elastic suspension arms are arranged on opposite sides of the circumference of the main body.
[0010] In an embodiment, an inner circumferential wall of the handle shell is formed with a guide groove, the protrusion is formed on one end of the elastic suspension arm away from the connection between the elastic suspension arm and the main body, and the protrusion is slidably connected with the groove wall of the guide groove so that the protrusion is tightly clamped on the handle shell.
[0011] In an embodiment, a side wall of the main body facing the handle shell is formed with a guide rib extending along the length direction of the main body, and the guide rib extends to the elastic suspension arm.
[0012] In an embodiment, the main body is formed with a clearance groove, and the elastic suspension arm is located in the clearance groove.
[0013] In an embodiment, the convex surface faces one side of the handle shell and is provided with a clamping arc surface.
[0014] In an embodiment, the main body comprises a mounting plate, an upper cover and a lower cover, the mounting plate and the handle shell form the mounting cavity, the upper cover is detachably connected to one end of the mounting plate and clamped with the handle shell, and the lower cover is detachably connected to the other end of the mounting plate away from the upper cover and abuts against the handle shell.
[0015] In an embodiment, the electric toothbrush further comprises at least two elastic shock-absorbing rings, one of which is sleeved on the upper cover and abuts against the handle shell, and the other of which is sleeved on the lower cover and abuts against the handle shell.
[0016] In an embodiment, the material of each elastic shock-absorbing ring is one of silica gel, nitrile rubber and thermoplastic elastomer.
[0017] In the technical scheme of the present application, the electric toothbrush comprises a core, a bracket and a handle shell, the core is arranged on the bracket, and the handle shell is sleeved on the bracket; wherein the bracket comprises a main body and an elastic suspension arm, the main body and the handle shell form a mounting cavity, and the core is located in the mounting cavity; the elastic suspension arm is formed with a convex surface facing one side of the handle shell, and the elastic suspension arm is elastically connected with the main body so that the convex surface is clamped and tightly fitted on the handle shell. In the technical scheme of the present application, the handle shell is sleeved on the bracket during installation, the elasticity of the elastic suspension arm is utilized to enable the handle shell to press the elastic suspension arm inwardly to complete the installation; after the installation is completed, the elastic suspension arm rebounds, the convex surface on the elastic suspension arm is clamped on the handle shell, and the clamping between the bracket and the handle shell is completed; by clamping the convex surface on the handle shell, the gap between the bracket and the handle shell during use of the electric toothbrush can be eliminated, thereby reducing the vibration energy transmission between the bracket and the handle shell and the intensity of the collision between the bracket and the handle shell, and the elasticity of the elastic suspension arm can buffer the collision between the bracket and the handle shell, thereby weakening the noise generated by the collision between the bracket and the handle shell. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings shown.
[0019] Figure 1 A structure schematic view of an embodiment of the electric toothbrush provided by the utility model;
[0020] Figure 2 A Figure 1 A sectional view along A-A;
[0021] Figure 3 A Figure 2 A local enlarged view at B;
[0022] Figure 4 A structure schematic view of an embodiment of the support provided by the utility model;
[0023] Figure 5 A structure schematic view of another embodiment of the support provided by the utility model;
[0024] Figure 6 A Figure 1 A sectional view along C-C.
[0025] Explanation of the reference signs:
[0026] Reference Name Reference Name 1000 Electric toothbrush 214 Guide rib 1 Machine core 22 Elastic cantilever 2 Support 221 Protrusion 21 Main body 221a Clamping camber 21a Avoidance recess 3 Handle shell 211 Mounting plate 3a Guide slot 212 Upper cover 4 Elastic shock absorbing ring 213 Lower cover
[0027] The utility model realizes the purpose, functional characteristics and advantages, which will be further explained by combining with the embodiments and referring to the drawings. Specific implementation
[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below by combining with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0029] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, if the certain posture changes, the directional indications also change accordingly.
[0030] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0031] The utility model provides a kind of electric toothbrush 1000.
[0032] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 5 In an embodiment of the utility model, the electric toothbrush 1000 includes core 1, support 2 and handle shell 3, core 1 is located in support 2, handle shell 3 is sleeved in support 2;Wherein, support 2 includes main body 21 and elastic suspension arm 22, main body 21 and handle shell 3 are enclosed to form installation cavity, and core 1 is located in installation cavity;Elastic suspension arm 22 is formed with protrusion 221 on the side facing handle shell 3, and elastic suspension arm 22 is elastically connected with main body 21 to make protrusion 221 clamped and tightly fitted in handle shell 3.
[0033] In the technical scheme of the utility model, handle shell 3 is sleeved on support 2 during installation, and the elasticity of elastic suspension arm 22 enables handle shell 3 to extrude elastic suspension arm 22 inward to complete installation;After installation is completed, elastic suspension arm 22 rebounds, and protrusion 221 on elastic suspension arm 22 is clamped on handle shell 3, completing the clamping between support 2 and handle shell 3;By clamping protrusion 221 on handle shell 3, the gap between support 2 and handle shell 3 during use of electric toothbrush 1000 can be eliminated, thereby reducing the vibration amplitude between support 2 and handle shell 3, reducing the intensity of collision between support 2 and handle shell 3, and the elasticity of elastic suspension arm 22 can buffer the collision between support 2 and handle shell 3, thereby weakening the vibration and noise of the collision between support 2 and handle shell 3.
[0034] Similarly, the elastic property of elastic suspension arm 22 enables handle shell 3 to extrude elastic suspension arm 22 to complete installation, simplifying the assembly process of electric toothbrush 1000 and facilitating users to replace or install handle shell 3 by themselves.
[0035] It can be understood that the elastic suspension arm 22 and the main body 21 can be an assembled structure or an integrally formed structure. Please refer to Figure 2 , Figure 3 and Figure 4 In an embodiment of the present application, the elastic suspension arm 22 and the main body 21 are an integrally formed structure. The integrally formed structure is generally more solid than the assembled structure, and the integrally formed structure has no joints or connection points. The integrally formed elastic suspension arm 22 and the main body 21 make the connection between the elastic suspension arm 22 and the main body 21 more secure. At the same time, the integrally formed structure reduces the assembly steps and is convenient for production. Therefore, the elastic suspension arm 22 and the main body 21 are preferably an integrally formed structure.
[0036] The bracket 2 includes a plurality of elastic suspension arms 22. Please refer to Figure 2 and Figure 4 In an embodiment of the present application, the bracket 2 includes four elastic suspension arms 22, and each two elastic suspension arms 22 are arranged on opposite sides of the circumference of the main body 21. By symmetrically arranging the elastic suspension arms 22 on both sides of the main body 21, the pressure of the handle shell 3 on the bracket 2 can be more evenly distributed, thereby providing more balanced support during use and enhancing the structural stability of the bracket 2. The four elastic suspension arms 22 provide multiple clamping points, increase the contact position between the handle shell 3 and the bracket 2, and make the installation of the handle shell 3 more secure, thereby reducing the risk of accidental falling during use.
[0037] Please refer to Figure 6 In an embodiment of the present application, the inner circumferential wall of the handle shell 3 forms a guide groove 3a, and the protrusion 221 is formed at one end of the elastic suspension arm 22 away from the connection between the elastic suspension arm 22 and the main body 21; the protrusion 221 is in sliding connection with the groove wall of the guide groove 3a to enable the protrusion 221 to be clamped in the handle shell 3. The groove wall of the guide groove 3a can limit the protrusion 221, avoiding the protrusion 221 from deviating and losing its shock-absorbing and noise-reducing effect during the installation of the handle shell 3 and the bracket 2 or during the use of the electric toothbrush 1000.
[0038] Please refer to Figure 4 , Figure 5 and Figure 6In an embodiment of the utility model, the side wall of main body 21 facing handle shell 3 forms guiding rib 214 extending along the length direction of main body 21, guiding rib 214 extends to elastic cantilever 22. Through the cooperation of guiding rib 214, protrusion 221 and guiding groove 3a, guiding groove 3a provides a clear guiding path for bracket 2 during the installation of handle shell 3 and bracket 2; the user only needs to slide guiding rib 214 on main body 21 along guiding groove 3a to complete the installation, which helps to improve the accuracy during installation and ensures that protrusion 221 can be accurately clamped to the predetermined position of handle shell 3; at the same time, the opposite sides of the circumference of main body 21 each form a guiding rib 214, and the cooperation of the two guiding ribs 214 can prevent main body 21 from rotating relative to handle shell 3 during the use of electric toothbrush 1000, thereby improving the structural stability of electric toothbrush 1000.
[0039] Please refer to Figure 3 In an embodiment of the utility model, main body 21 forms position-avoiding groove 21a, and elastic cantilever 22 is located in position-avoiding groove 21a. Position-avoiding groove 21a provides a special space for elastic cantilever 22, which can optimize the spatial structure layout of main body 21, reduce the protruding part and improve the compactness of the structure; at the same time, it can also eliminate the gap between bracket 2 and handle shell 3, thereby reducing the vibration amplitude between bracket 2 and handle shell 3 and the intensity of the collision between bracket 2 and handle shell 3, and the elasticity of elastic cantilever 22 can buffer the collision between bracket 2 and handle shell 3, thereby weakening the vibration and noise of the collision between bracket 2 and handle shell 3.
[0040] Please refer to Figure 3 In an embodiment of the utility model, the side of protrusion 221 facing handle shell 3 has clamping arc surface 221a. Clamping arc surface 221a can more effectively absorb and disperse vibration, weaken the vibration transmitted from machine core 1 to handle shell 3, thereby reducing noise and improving the comfort of the user during use.
[0041] Please refer to Figure 2 , Figure 3 and Figure 4 In an embodiment of the utility model, main body 21 includes mounting plate 211, upper cover 212 and lower cover 213, mounting plate 211 and handle shell 3 enclose to form mounting cavity, upper cover 212 is detachably connected to one end of mounting plate 211 and clamped with handle shell 3; lower cover 213 is detachably connected to the end of mounting plate 211 away from upper cover 212 and abuts with handle shell 3. The detachable connection design of upper cover 212 and lower cover 213 makes the installation and maintenance of bracket 2 more convenient.
[0042] Please refer to Figure 3 , Figure 4 andFigure 5 In an embodiment of the present application, the electric toothbrush 1000 further comprises at least two elastic damping rings 4, one of which is sleeved on the upper cover 212 and abuts against the handle shell 3, and the other of which is sleeved on the lower cover 213 and abuts against the handle shell 3. The elastic damping ring 4 can effectively absorb and reduce the vibration and noise generated by the core 1 of the electric toothbrush 1000 during use, further improving the comfort of use of the user, and at the same time, the clamping arc surface 221a is more easily deformed during assembly, which can reduce the mutual extrusion force with the handle shell 3 during assembly, thereby facilitating the assembly of the support 2.
[0043] It should be noted that the material of each elastic damping ring 4 is one of silica gel, nitrile rubber and thermoplastic elastomer. In an embodiment of the present application, the material of each elastic damping ring 4 is silica gel. The silica gel has good elastic performance, so it has good damping effect; the silica gel has high electrical insulation performance, which is a safety guarantee for the electronic elements inside the electric toothbrush 1000; the silica gel damping ring can adapt to thermal expansion and contraction, instantaneous load and other deformations, and has good sealing effect. Therefore, silica gel is preferably used as the material of the elastic damping ring 4.
[0044] Please refer to Figure 3 In an embodiment of the present application, the lower cover 213 is threadedly connected with the handle shell 3. Threaded connection can provide strong fixing force, so that the connection between the lower cover 213 and the handle shell 3 is more stable and not easy to loosen; at the same time, the threaded connection of the lower cover 213 and the handle shell 3 facilitates the disassembly and assembly of the electric toothbrush 1000.
[0045] The above description is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields within the technical concept of the present application and the contents of the present application are included in the patent protection scope of the present application.
Claims
1. An electric toothbrush (1000), comprising a core (1), a support (2) and a handle shell (3), the core (1) is arranged on the support (2), and the handle shell (3) is sleeved on the support (2), characterized in that, The bracket (2) comprises: a main body (21) which forms an installation cavity together with the handle shell (3), and in which the movement core (1) is located; and a resilient cantilever (22) which is formed with a protrusion (221) on a side facing the handle shell (3), and which is resiliently connected with the main body (21) so that the protrusion (221) is tightly clamped to the handle shell (3).
2. The electric toothbrush (1000) according to claim 1, characterized in that The resilient cantilever (22) and the main body (21) are integrally formed.
3. The electric toothbrush (1000) according to claim 2, characterized in that The bracket (2) comprises a plurality of the resilient cantilevers (22), and each two of the resilient cantilevers (22) are respectively arranged on opposite sides in the circumferential direction of the main body (21).
4. The electric toothbrush (1000) according to claim 3, characterized in that An inner circumferential wall of the handle shell (3) is formed with a guide groove (3a), and the protrusion (221) is formed on an end of the resilient cantilever (22) away from the connection between the resilient cantilever (22) and the main body (21); the protrusion (221) is slidingly connected with a groove wall of the guide groove (3a) so that the protrusion (221) is tightly clamped to the handle shell (3).
5. The electric toothbrush (1000) according to claim 4, characterized in that A side wall of the main body (21) facing the handle shell (3) is formed with a guide rib (214) extending in the length direction of the main body (21), and the guide rib (214) extends to the resilient cantilever (22).
6. The electric toothbrush (1000) according to claim 1, characterized in that The main body (21) is formed with a position-avoiding groove (21a), and the resilient cantilever (22) is located in the position-avoiding groove (21a).
7. The electric toothbrush (1000) according to claim 1, characterized in that The protrusion (221) has a clamping curved surface (221a) on a side facing the handle shell (3).
8. The electric toothbrush (1000) according to any one of claims 1 to 7, characterized in that The main body (21) comprises a mounting plate (211), an upper cover (212), and a lower cover (213), the mounting plate (211) forms the installation cavity together with the handle shell (3), the upper cover (212) is detachably connected to one end of the mounting plate (211) and clamped with the handle shell (3), and the lower cover (213) is detachably connected to an end of the mounting plate (211) away from the upper cover (212) and abuts against the handle shell (3).
9. The electric toothbrush (1000) according to claim 8, characterized in that The electric toothbrush (1000) further comprises at least two resilient shock-absorbing rings (4), one of which is sleeved on the upper cover (212) and abuts against the handle shell (3), and the other of which is sleeved on the lower cover (213) and abuts against the handle shell (3).
10. The electric toothbrush (1000) according to claim 9, characterized in that The material of each resilient shock-absorbing ring (4) is one of silica gel, nitrile rubber, and thermoplastic elastomer.