CN221079868U

CN221079868U - Pressure-sensitive key structure of electric toothbrush

Info

Publication number: CN221079868U
Application number: CN202323119860.0U
Authority: CN
Inventors: 韩忠平; 张彦博; 彭俊
Original assignee: Guangdong Beizhi Health Technology Co ltd; Shanghai Feixiang Health Technology Co Ltd
Current assignee: Guangdong Beizhi Health Technology Co ltd; Shanghai Feixiang Health Technology Co Ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-06-04
Anticipated expiration: 2033-11-20

Abstract

The application provides a pressure-sensitive key structure of an electric toothbrush, which belongs to the field of electric toothbrushes and comprises a machine core assembly, a pressure-sensitive key assembly and a machine body shell. The movement assembly at least comprises a movement support and a movement main board, and the movement main board is arranged on the movement support; the pressure sensing key assembly comprises a key support, a pressure sensing plate and a key cap, wherein the pressure sensing plate is connected to the main board of the machine core, and the key cap is arranged on the machine core support through the key support; the machine body shell is coated on the machine core assembly and the pressure sensing key assembly, and a deformation pressing area is formed at the position of the machine body shell corresponding to the key cap. The machine core assembly is provided with the pressure sensing key assembly and then is entirely covered by the machine body shell, the pressure sensing plate and the key cap are used for forming a pressure sensing key, the machine body is integrally designed, a user does not need to independently disassemble a piece to design the key, and the pressure is transmitted to the sensor on the pressure sensing plate through the key cap by pressing the machine body shell, so that the key function is realized; so that the integral structure has no hidden trouble of water leakage and seam scale storage.

Description

Pressure-sensitive key structure of electric toothbrush

Technical Field

The utility model relates to the field of electric toothbrushes, in particular to a pressure-sensitive key structure of an electric toothbrush.

Background

The electric toothbrush is used as household appliance for oral care, and the principle is that the electric toothbrush is driven by a motor to drive the toothbrush to swing, so that the oral cavity is cleaned. However, most of the traditional electric toothbrushes use mechanical keys, because the shell needs to be provided with soft rubber, when a user presses the soft rubber, the soft rubber is deformed greatly and presses the internal keys, so that functions can be realized, gaps are reserved between the keys and the shell, the keys can be pressed and restored smoothly, and therefore, the water leakage risk can be caused by the waterproofness of the joint of the soft rubber and the shell, and the waterproof difficulty is increased. Because the electric toothbrush is contacted with water for a long time, scale is easy to generate at the key gap, the scale can cause the key to be blocked or even invalid when pressed, the electric toothbrush is difficult to clean, and the sensory experience of a user is poor. For this reason, the present utility model has been completed.

Disclosure of utility model

The utility model aims to solve the problems that the traditional soft rubber key of the electric toothbrush in the market has poor waterproof performance, a gap between the key and a shell is easy to scale and difficult to clean, and the like.

To this end, the present utility model provides a pressure-sensitive key structure of an electric toothbrush, comprising:

The machine core assembly at least comprises a machine core support and a machine core main board, wherein the machine core main board is arranged on the machine core support;

The pressure-sensitive key assembly comprises a key bracket, a pressure-sensitive plate and a key cap; the press-sensing plate is connected to the core main board, and the key cap is arranged on the core support through the key support and can be pressed on the press-sensing plate by force;

The machine body shell is coated on the machine core assembly and the pressure-sensitive key assembly, and a deformation pressing area is formed at the position of the machine body shell corresponding to the key cap.

Preferably, the key cap is provided with a protruding position, and the protruding position is located between the key cap and the machine body shell.

Preferably, the wall thickness of the deformation pressing area of the body shell is thinner than that of other areas of the body shell.

Preferably, the wall thickness of the deformation pressing area is 0.8-1.0mm.

Preferably, the device further comprises an inner frame, wherein the inner frame is sleeved on the movement assembly, and a first avoidance window is formed at least at the position of the pressure-sensitive key assembly.

Preferably, the device further comprises a display screen, wherein the display screen is arranged on the movement support and connected to the movement main board.

Preferably, a second avoidance window is formed at the position of the display screen on the inner support of the machine body.

Preferably, the inner frame of the machine body is an inner frame of the machine body.

Preferably, at least the deformation pressing area is an elastic reset structure capable of micro deformation.

Preferably, the elastic reset structure is an injection molding structure integrally formed with the machine body shell.

The above technical schemes alone or in combination exhibit the following beneficial effects:

According to the application, the pressure sensing key assembly is arranged on the movement assembly and then is integrally covered by the machine body shell, and the pressure sensing plate and the key cap are used for forming the pressure sensing key, so that the machine body is integrally designed, a user does not need to independently disassemble a piece to design the key, and the pressure is transmitted to the sensor on the pressure sensing plate through the key cap by pressing the machine body shell, so that the key function is realized; the whole structure is seamless and waterproof, the hidden danger of water leakage and hidden danger of scale hiding in the gap are avoided.

The convex position is formed between the key cap and the deformation pressing area, so that the contact area of the key cap and the deformation pressing area is reduced, the pressing contact is completed in a point mode, and the pressing sensitivity is improved.

The machine core assembly is further tightly fixed through the machine body inner support, the inner core is formed into a whole in a sleeved and wrapped mode, so that sensitive force conduction is formed between the machine body shell and the inner core structure through the pressure sensing key assembly, and the machine is more neat in structure and sensitive in force pressure sensing contact. And the avoidance window is arranged on the inner support of the machine body, so that the spatial positions of the pressure-sensitive key assembly and the display screen are not affected.

Drawings

Fig. 1 shows a schematic structure of the present utility model.

Fig. 2 shows a structural exploded view of the fuselage shell of the present utility model.

FIG. 3 shows a schematic structure of a pressure-sensitive key assembly according to the present utility model.

Fig. 4 shows a front view of the present utility model.

FIG. 5 shows a cross-sectional view at A-A in FIG. 4.

Fig. 6 shows an enlarged view at B in fig. 5.

Wherein:

Detailed Description

The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

Referring to fig. 1 to 6, the present embodiment provides a pressure-sensitive key structure of an electric toothbrush, which includes a movement assembly, a pressure-sensitive key assembly 3 and a body housing 1. The movement assembly at least comprises a movement support 51 and a movement main board 52, wherein the movement main board 52 is arranged on the movement support 51; the pressure-sensitive key assembly 3 comprises a key support 32, a pressure-sensitive plate 33 and a key cap 31, wherein the pressure-sensitive plate 33 is connected to the core main board 52, and the key cap 31 is arranged on the core support 51 through the key support 32; the machine body shell 1 is coated on the movement assembly and the pressure sensing key assembly 3, and a deformation pressing area 11 is formed at the position of the machine body shell 1 corresponding to the key cap 31. The pressure sensing key assembly 3 is arranged on the movement assembly and then is integrally covered by the machine body shell 1, the pressure sensing plate 33 and the key cap 31 are used for forming a pressure sensing key, the machine body is integrally designed, a user does not need to independently disassemble the key to design the key, and the pressure is transmitted to a sensor on the pressure sensing plate 33 through the key cap 31 by pressing the machine body shell 1, so that the key function is realized; the whole structure is seamless and waterproof, the hidden danger of water leakage and hidden danger of scale hiding in the gap are avoided.

The foregoing aspects are essential to the implementation of the present embodiment, and are described in further detail below with reference to the accompanying drawings and detailed description:

As the functions of the electric toothbrush are more and more enriched, the keys of the electric toothbrush are often changed from one to two or more, but as the keys are more, the sensitivity and the possibility of false touch of the keys are larger, and the pressure sensor of one key is often possibly pressed and the other key is touched. As a preferred implementation of this embodiment, referring to fig. 3, 5 and 6, a protruding portion 311 is provided on the key cap 31, and the protruding portion 311 is located between the key cap 31 and the body housing 1. Preferably, the protruding portion 311 is formed with a protruding contact facing the deformation pressing region 11 of the body housing 1. Therefore, even if a plurality of keys are arranged in a row, false touch can not be caused, and the sensitivity is improved.

Referring to fig. 6, the body housing 1 is used as a structural housing protection, and the overall thickness is set according to practical requirements. However, as a preferred choice of the deformation pressing area 11 in the art, the wall thickness of the deformation pressing area 11 of the body shell 1 is thinner than that of other areas of the body shell 1, so that the deformation is convenient to press, and the pressing force required by a user is reduced. Preferably, the deformation pressing region 11 has a wall thickness of 0.8 to 1.0mm, and is integrally formed on the body case 1 by an injection mold.

Further, referring to fig. 3, in order to achieve the relative stability of the two structures of the body case 1 and the movement assembly, the present embodiment further includes an internal body bracket 2, and the movement assembly is formed as a whole by the internal body bracket 2. Specifically, the inner frame 2 is sleeved on the movement assembly, and at least the position of the pressure-sensitive key assembly 3 is provided with a first avoiding window 21. Preferably, the inner frame 2 is an inner frame. Preferably, the in-body mount 2 is embodied as a body content mount using a light-transmitting structure. Furthermore, the frame inner cylinder bracket can be injection molded by adding the light guide agent by adopting an injection molding material, so that the light ray display is convenient, and the integral frame has certain molding strength by using the injection molding material, and also plays a role in protection. For example, the PP plastic is added with the light guide agent for injection molding, and the light guide agent comprises a brightening agent, a light homogenizing agent, a light dispersing agent and the like commonly known in the market. The purpose is to increase the scattering and transmission of light, and to cover the light source and the dazzling light source, and simultaneously to make the whole frame inner cylinder support emit softer, more beautiful and elegant light, and to achieve the comfortable effect of light transmission and opacity. Such as acrylic type, styrene type, and acrylic type light diffusing agents.

In order to enrich the indication and expression of the working state of the electric toothbrush, the embodiment further comprises a display screen 4, wherein the display screen 4 is arranged on the movement support 51 and connected to the movement main board 52, and displays working information, warning information and the like. The in-frame support 2 is adapted to form a second avoidance window 22 at the position of the display screen 4. Correspondingly, the material of the machine body shell 1 can be one of polycarbonate, polymethyl methacrylate and polypropylene to form a transparent structure, so that the display screen 4 can be displayed more conveniently and the waterproof performance is met.

As described above, the body case 1 has at least the deformation pressing area 11 of a slightly deformable elastic return structure, and can return to its original state after the pressure is applied. Preferably, the elastic restoring structure may be implemented as an organic polymeric material such as polycarbonate, polymethyl methacrylate, and polypropylene.

The beneficial effects of this embodiment are:

According to the scheme, the pressure sensing key assembly 3 is arranged on the machine core assembly and then is integrally covered by the machine body shell 1, the pressure sensing plate 33 and the key cap 31 are used for forming a pressure sensing key, the machine body is integrally designed, a user does not need to independently disassemble a piece to design the key, and the user presses the machine body shell 1 and transmits the pressure to a sensor on the pressure sensing plate 33 through the key cap 31, so that a key function is realized; the whole structure is seamless and waterproof, the hidden danger of water leakage and hidden danger of scale hiding in the gap are avoided.

A convex position 311 is formed between the key cap 31 and the deformation pressing region 11, so that the contact area between the key cap 31 and the deformation pressing region 11 is reduced, the pressing contact is completed in a point form, and the pressing sensitivity is improved.

The machine core assembly is further tightly fixed through the machine body inner support 2, the inner core is formed into a whole in a sleeved and wrapped mode, so that sensitive force conduction is formed between the machine body shell 1 and the inner core structure through the pressure sensing key assembly 3, and the machine is tidier in structure and more sensitive in force pressure sensing contact. And the avoidance window is arranged on the inner bracket 2 of the machine body, so that the spatial positions of the pressure-sensitive key assembly 3 and the display screen 4 are not affected.

It will be appreciated by persons skilled in the art that the embodiments of the utility model shown in the foregoing description are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. The utility model provides a pressure sense button structure of electric toothbrush which characterized in that includes:

2. The pressure sensitive key structure of an electric toothbrush according to claim 1, wherein: the key cap is provided with a protruding position, and the protruding position is positioned between the key cap and the machine body shell.

3. The pressure sensitive key structure of an electric toothbrush according to claim 1, wherein: the wall thickness of the deformation pressing area of the machine body shell is thinner than that of other areas of the machine body shell.

4. The pressure sensitive key structure of an electric toothbrush according to claim 3, wherein: the wall thickness of the deformation pressing area is 0.8-1.0mm.

5. The pressure sensitive key structure of an electric toothbrush according to claim 1, wherein: the machine body inner support is sleeved on the machine core assembly, and a first avoidance window is formed at least at the position of the pressure sensing key assembly.

6. The pressure sensitive key structure of an electric toothbrush according to claim 5, wherein: the device also comprises a display screen, wherein the display screen is arranged on the movement support and is connected with the movement main board.

7. The pressure sensitive key structure of an electric toothbrush as claimed in claim 6, wherein: and a second avoidance window is formed at the position of the display screen on the inner support of the machine body.

8. The pressure-sensitive key structure of an electric toothbrush according to any one of claims 5 to 7, characterized in that: the inner frame of the machine body is an inner frame of the machine body.

9. The pressure sensitive key structure of an electric toothbrush according to claim 1, wherein: at least the deformation pressing area is an elastic reset structure capable of micro deformation.

10. The pressure sensitive key structure of an electric toothbrush according to claim 9, wherein: the elastic reset structure is an injection molding structure integrally formed with the machine body shell.