Contact-type middle-light-transmitting four-corner elastic sheet
By improving the four-angle shrapnel structure, using contact support feet and light-transmitting strip hole design, the problem of poor hand feel when the four-angle shrapnel is turned on, and a comprehensive improvement of stress stability and hand feel is achieved.
Patent Information
- Application Number
- CN202422608538.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The existing four-angle contact shrapnel is not conducive to free deformation when conducting, resulting in poor use feel and good stress stability but insufficient flexibility.
A contact type intermediate light-transmissive four-angle shrapnel is designed, adopting a square structure, with contact support feet at the four corners of the key part, the conduction and pressing area is circular, the center is gradually raised, the edge is arc-shaped, the light-transmissive strip hole design, the elastic side wall is bent, the contact surface is arc-shaped protrusion, the support body is gradually shrinking, and the deformation is increased.
On the basis of maintaining stress stability, the installation flexibility and feel of the shrapnel are improved, and the feel is softer and more elastic, adding additional shape variables, and optimizing the pressing experience.
Smart Images
Figure CN223296703U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a four-corner spring piece, in particular to a contact-type middle light-transmitting four-corner spring piece. Background Art
[0002] Metal domes are widely used in switches for electrical appliances and electronic products. They are essential accessories for traditional push-button switches. On the one hand, they maintain the user's tactile feel when pressing, and on the other hand, they can also serve as a conductive circuit connection, thus providing good switch activation and control.
[0003] With the widespread use of metal shrapnel, the requirements for its lifespan and user experience are becoming increasingly stringent. Sometimes, damage to a single shrapnel may require the replacement of the entire product, greatly affecting the user experience and causing waste. Currently, the external designs of existing products in this field include square and circular structures. After development, in order to stabilize the force, a four-corner contact shrapnel has been developed. The advantage of such a shrapnel is good force stability, improved lifespan and reliability, but the attendant disadvantage is that when the switch is pressed down to achieve conduction, the functional area of the shrapnel is not conducive to free deformation, resulting in a poor user experience. Utility Model Content
[0004] In order to solve the shortcomings of the above-mentioned technology, the utility model provides a contact-type middle light-transmitting four-corner spring piece.
[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a contact-type middle light-transmitting four-corner spring piece, including a square button portion and contact-type supporting feet located at the four corners of the button portion;
[0006] The button portion includes a pressing surface, an elastic side wall portion connected to the outer side of the pressing surface, and a hard connection outer edge surface connected to the outer side of the elastic side wall portion;
[0007] The contact support foot is connected to the outer edge of the hard connection. The contact support foot includes a support body, an elastic connection part transitionally connected to the support body, and a contact surface integrally formed with the elastic connection part. A deformable groove is formed on the elastic connection part.
[0008] Furthermore, a circular conductive pressing area is formed in the middle of the pressing surface, and a circular conductive contact point is formed in the middle of the conductive pressing area.
[0009] Furthermore, the edge side of the pressing surface is in an arc shape that gradually rises toward the center side, and the center of the conductive contact is the highest point of the pressing surface.
[0010] Furthermore, a plurality of light-transmitting strip holes are provided in the conductive pressing area and are located in the outer circle of the conductive contacts.
[0011] Furthermore, the light-transmitting strip holes are arc-shaped strip holes, and the first positions of any two adjacent light-transmitting strip holes are formed in a non-connected manner.
[0012] Furthermore, the elastic side wall portion is formed by extending toward the installation surface of the button portion, and the elastic side wall portion is implemented in a manner of supporting the pressing surface.
[0013] Furthermore, a bend is formed between the elastic side wall portion and the hard connection outer edge surface.
[0014] Furthermore, the maximum diameter of the support body gradually decreases from the side where it is connected to the hard connection outer edge surface to the side where it is transitionally connected to the elastic connection portion.
[0015] Furthermore, the contact surface is an arc-shaped convex surface.
[0016] A contact-type middle-transparent four-corner spring sheet improves the structure of the spring sheet in the present application on the basis of the square spring sheet structure. While retaining the advantage of good force stability, it has high installation flexibility, making the spring sheet feel softer and more elastic, with excellent hand feel; in addition, the contact-type support feet 8 provide the spring sheet with additional deformation, further enhancing the hand feel. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural diagram of the present utility model.
[0018] Figure 2 This is a schematic structural diagram of the contact-type support foot of the present invention.
[0019] In the figure: 1. Button part; 2. Pressing surface; 3. Conductive pressing area; 4. Conductive contact; 5. Light-transmitting strip hole; 6. Hard-connected outer edge surface; 7. Elastic side wall part; 8. Contact support foot; 9. Support body; 10. Contact surface; 11. Elastic connecting part; 12. Deformation groove. DETAILED DESCRIPTION
[0020] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0021] like Figure 1-2 As shown together, this embodiment is about the contact-type middle-transparent four-corner spring sheet, including a square button part 1 and contact support feet 8 located at the four corners of the button part 1. The structure disclosed in this embodiment is connected by the contact support feet 8 at the four corners compared to the traditional square structure. Therefore, in this embodiment, while ensuring good force stability, the installation flexibility is higher. This embodiment also refines the structure of the contact support feet 8 so that the structure of the contact support feet 8 has elastic deformation, thereby optimizing the feel of the button part 1 when pressed, so that the combined force stability is good, the installation flexibility is high, it has additional deformation, and the feel is better.
[0022] like Figure 1 As shown, the button portion 1 includes a pressing surface 2, an elastic side wall portion 7 connected to the outer side of the pressing surface 2, and a hard connection outer edge surface 6 connected to the outer side of the elastic side wall portion 7.
[0023] Preferably, the pressing surface 2 is square, and a circular conductive pressing area 3 is formed in the middle of the pressing surface 2, and a circular conductive contact 4 is formed in the middle of the conductive pressing area 3. The edge side of the pressing surface 2 is in an arc shape that gradually rises toward the center side, and the center of the conductive contact 4 is the highest point of the pressing surface 2. The conductive contact 4 is the highest point and is conducive to pressing. In this embodiment, the pressing surface 2, the conductive pressing area 3, and the conductive contact 4 actually form three layers of pressing deformation, so the pressing feel of the button part 1 is softer and more elastic.
[0024] Preferably, a plurality of light-transmitting holes 5 are provided in the conductive pressing area 3 and are located on the outer circle of the conductive contact 4. The light-transmitting holes 5 are conducive to the free deformation of the spring when pressed down, further increasing the softness of the pressing feel. Figure 1 As shown, the number of light-transmitting strip holes 5 in this embodiment is two, and the two light-transmitting strip holes 5 are symmetrically arranged with each other. Specifically, the light-transmitting strip holes 5 are arc-shaped strip holes, and the first positions of any two adjacent light-transmitting strip holes 5 are formed in a non-connected manner, that is, there is still a non-connected area between the two light-transmitting strip holes 5, which is conducive to preventing the collapse of the pressing feel caused by the excessive area of the light-transmitting strip holes 5.
[0025] The elastic side wall portion 7 is formed by extending toward the mounting surface of the button portion 1, and the elastic side wall portion 7 is implemented in a manner of supporting the pressing surface 2. Figure 1 The elastic side wall portion 7 shown in the figure also forms a bend, which is beneficial to guiding the deformation of the button portion 1 when pressed downward, and is also beneficial to the rebound after deformation. Compared with traditional spring sheets, the elastic side wall portion 7 of the embodiment itself has a larger formation area, which is very beneficial to optimizing the feel, and technical personnel in this field can change the softness and hardness of the feel by changing the material or material density of the elastic side wall portion 7, which gives great flexibility to actual production.
[0026] On this basis, a bend is formed between the elastic side wall portion 7 and the hard connection outer edge surface 6. After the bend, the elastic side wall portion 7 and the installation contact surface are parallel to each other, which is conducive to the stable contact between the contact support foot 8 and the installation contact surface.
[0027] In this embodiment, if Figure 1 As shown, the contact support foot 8 is connected to the hard connection outer edge surface 6, as shown in FIG. Figure 2The contact support foot 8 includes a support body 9, an elastic connecting part 11 transitionally connected to the support body 9, and a contact surface 10 integrally formed with the elastic connecting part 11. A deformation groove 12 is formed on the elastic connecting part 11. The deformation groove 12 is beneficial to the elastic deformation of the elastic connecting part 11 during the contraction, thereby achieving the effect of rapid deformation, which is beneficial to improving the stability of the contact support foot 8.
[0028] Preferably, the maximum diameter of the support body 9 gradually decreases from the side where it is connected to the hard connection outer edge surface 6 to the side where it is transitionally connected to the elastic connection portion 11, which makes the support body 9 more rigid.
[0029] Preferably, the contact surface 10 is an arc-shaped convex surface.
[0030] The present application discloses a contact-type middle-transparent four-corner spring sheet. The structure of the spring sheet in the present application is improved on the basis of the square spring sheet structure. While retaining the advantage of good force stability, the installation flexibility is high, making the spring sheet feel softer and more elastic, and having an excellent feel. In addition, the contact-type support feet 8 are used to provide the spring sheet with additional deformation, further enhancing the feel.
[0031] The above-mentioned implementation manner is not a limitation of the present invention, and the present invention is not limited to the above-mentioned examples. Any changes, modifications, additions or substitutions made by technicians in this technical field within the scope of the technical solution of the present invention also fall within the scope of protection of the present invention.
Claims
1. A contact-type middle light-transmitting four-corner spring, characterized by: It comprises a square button portion (1) and contact support feet (8) located at the four corners of the button portion (1); The button portion (1) comprises a pressing surface (2), an elastic side wall portion (7) connected to the outer side of the pressing surface (2), and a hard connection outer edge surface (6) connected to the outer side of the elastic side wall portion (7); The contact support foot (8) is connected to the hard connection outer edge surface (6), and the contact support foot (8) includes a support body (9), an elastic connection part (11) transitionally connected to the support body (9), and a contact surface (10) integrally formed with the elastic connection part (11), and a deformable groove (12) is formed on the elastic connection part (11).
2. The contact-type middle light-transmitting four-corner spring sheet according to claim 1, characterized in that: A circular conductive pressing area (3) is formed in the middle of the pressing surface (2), and a circular conductive contact point (4) is formed in the middle of the conductive pressing area (3).
3. The contact-type middle light-transmitting four-corner spring piece according to claim 2, characterized in that: The edge side of the pressing surface (2) is in an arc shape that gradually rises towards the center side, and the center of the conductive contact (4) is the highest point of the pressing surface (2).
4. The contact-type middle light-transmitting four-corner spring sheet according to claim 2, characterized in that: A plurality of light-transmitting strip holes (5) located on the outer circle of the conduction contact (4) are provided in the conduction pressing area (3).
5. The contact-type middle light-transmitting four-corner spring piece according to claim 4, characterized in that: The light-transmitting strip holes (5) are arc-shaped strip holes, and the first positions of any two adjacent light-transmitting strip holes (5) are formed in a non-connected manner.
6. The contact-type middle light-transmitting four-corner spring piece according to claim 1, characterized in that: The elastic side wall portion (7) is formed by extending toward one side of the mounting surface of the button portion (1), and the elastic side wall portion (7) is implemented in a manner of supporting the pressing surface (2).
7. The contact-type middle light-transmitting four-corner spring piece according to claim 6, characterized in that: A bend is formed between the elastic side wall portion (7) and the hard connection outer edge surface (6).
8. The contact-type middle light-transmitting four-corner spring sheet according to claim 1, characterized in that: The maximum diameter of the support body (9) gradually decreases from the side where it is connected to the hard connection outer edge surface (6) to the side where it is transitionally connected to the elastic connection portion (11).
9. The contact-type middle light-transmitting four-corner spring piece according to claim 1, characterized in that: The contact surface (10) is an arc-shaped convex surface.