Elastic sheet and electronic equipment

Abstract

The embodiment of the utility model relates to the technical field of electronic equipment, in particular to an elastic piece and electronic equipment, the elastic piece comprises a base and an elastic piece part, the base is provided with a limiting groove, the elastic piece part comprises a first elastic arm, a contact part and a second elastic arm, one end of the first elastic arm is connected with the base, and the other end of the first elastic arm is connected with the contact part. The other end of the first elastic arm is connected with one end of the contact part, the other end of the first elastic arm extends along a first direction, the contact part is bent, the other end of the contact part is connected with one end of the second elastic arm, and the second elastic arm extends along a second direction. The second elastic arm is at least partially located in the limiting groove, and the first direction is opposite to the second direction. By means of the mode, when the elastic piece is stressed, at least part of the second elastic arm is limited in the limiting groove, the deformation direction and range of the elastic piece are effectively limited, and the position stability of the elastic piece and the stability of electrical connection are improved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of electronic equipment, and in particular to a spring and an electronic device. Background Art

[0002] In the design and manufacturing of electronic devices, springs serve as important connecting and supporting components, widely used in various electronic devices such as mobile phones, computers, and digital products. The main function of springs is to achieve various functions such as electrical connection, key feedback, and structural support through their elastic deformation. Especially in situations where frequent contact and disconnection are required, such as key switches, battery connectors, and memory card slots, the rationality of the spring's design and the stability of its performance are directly related to the operational feel, service life, and reliability of the entire electronic device. Currently, springs are mainly formed by bending a single piece of metal sheet.

[0003] In the process of implementing the embodiments of the present invention, the inventors found that the spring formed by bending a single metal sheet is prone to uncontrollable deformation when subjected to force, affecting the position stability of the spring, resulting in unstable electrical connections, and thus affecting the overall performance of the electronic device. Utility Model Content

[0004] In view of the above problems, embodiments of the present invention provide a spring and an electronic device, which overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a spring piece, including a base and a spring piece part, the base is provided with a limiting groove, the spring piece part includes a first elastic arm, a contact portion and a second elastic arm, one end of the first elastic arm is connected to the base, the other end of the first elastic arm is connected to one end of the contact portion, the other end of the first elastic arm extends along the first direction, the contact portion is bent, the other end of the contact portion is connected to one end of the second elastic arm, the second elastic arm extends along the second direction, and the second elastic arm is at least partially located in the limiting groove, wherein the first direction and the second direction are opposite.

[0006] Optionally, the base includes a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are respectively connected to the two side edges of the bottom plate, the bottom plate, the first side plate and the second side plate together form the limiting groove, the first elastic arm is connected to one end of the bottom plate, and the second elastic arm is at least partially located between the first side plate and the second side plate.

[0007] Optionally, the first side plate is provided with a first through hole, and a first limiting protrusion is provided on one side of the second elastic arm. The first limiting protrusion is partially inserted into the first through hole, and the first limiting protrusion can move in the first through hole.

[0008] Optionally, the second side plate is provided with a second through hole, the other side of the second elastic arm is provided with a second limiting protrusion, the second limiting protrusion is partially inserted into the second through hole, and the second limiting protrusion can move in the second through hole.

[0009] Optionally, the first elastic arm includes a first lever arm, a second lever arm and a third lever arm, one end of the first lever arm is connected to one end of the base plate, one end of the second lever arm is bent and connected to the other end of the first lever arm, the other end of the second lever arm is bent and connected to one end of the third lever arm, and the other end of the third lever arm is connected to one end of the contact portion.

[0010] Optionally, the second elastic arm includes a fourth force arm and an abutting portion, one end of the fourth force arm is connected to the other end of the contact portion, the other end of the fourth force arm is connected to one end of the abutting portion, and the abutting portion is used to abut the base plate.

[0011] Optionally, one end of the first lever arm and the other end of the third lever arm are respectively located on both sides of the second lever arm.

[0012] Optionally, the abutting portion is bent, and the other end of the abutting portion is located between the first elastic arm and the fourth force arm.

[0013] Optionally, both side edges of the second elastic arm are spaced apart from the first side plate and the second side plate respectively.

[0014] In order to solve the above technical problem, another technical solution adopted by the present invention is to provide an electronic device including the above-mentioned shrapnel.

[0015] The beneficial effects of the embodiments of the present utility model are as follows: Different from the prior art, the embodiments of the present utility model provide a spring and an electronic device, wherein the spring comprises a base and a spring member, the base being provided with a limiting slot, the spring member comprising a first elastic arm, a contact portion, and a second elastic arm, one end of the first elastic arm being connected to the base, the other end of the first elastic arm being connected to one end of the contact portion, the other end of the first elastic arm extending in a first direction, the contact portion being bent, the other end of the contact portion being connected to one end of the second elastic arm, the second elastic arm extending in a second direction, the second elastic arm being at least partially located in the limiting slot, wherein the first direction and the second direction are opposite. In this manner, when the spring is subjected to force, the second elastic arm is at least partially confined within the limiting slot, effectively limiting the direction and range of deformation of the spring member, and improving the positional stability of the spring and the stability of the electrical connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying any creative work.

[0017] Figure 1 This is a three-dimensional diagram of a spring provided by an embodiment of the present invention from one perspective;

[0018] Figure 2 yes Figure 1 A three-dimensional cross-sectional view after cutting along the cutting line AA;

[0019] Figure 3 This is a three-dimensional diagram of a spring provided by an embodiment of the present invention from another perspective;

[0020] Figure 4 It is a three-dimensional diagram of a spring provided in another embodiment of the present invention. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention, the present invention is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by those skilled in the art to which this utility model belongs. The terms used in this specification and in the description of this utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used in this specification includes any and all combinations of one or more of the relevant listed items.

[0023] See also Figure 1 The spring piece 1000 includes a base 1 and a spring piece 2, the base 1 and the spring piece 2 are connected, the spring piece 2 is used to resist and conduct with the conductive member, and the base 1 is used to limit the deformation direction of the spring piece 2 and connect with the outside.

[0024] For base 1 above, see Figure 1 The base 1 is provided with a limiting groove 10. The base 1 includes a bottom plate 11, a first side plate 12 and a second side plate 13. The first side plate 12 and the second side plate 13 are respectively connected to the two side edges of the bottom plate 11. The first side plate 12 and / or the second side plate 13 can be connected to the bottom plate 11 vertically or obliquely. The bottom plate 11, the first side plate 12 and the second side plate 13 together enclose a limiting groove 10, which is used to limit part of the elastic piece 2. The first side plate 12 is provided with a first through hole 121, and the second side plate 13 is provided with a second through hole 131. The first through hole 121 and the second through hole 131 are both used for partial insertion of the elastic piece 2.

[0025] For the above-mentioned spring piece 2, please refer to Figures 1 to 3 The elastic member 2 includes a first elastic arm 21, a contact portion 22, and a second elastic arm 23. One end of the first elastic arm 21 is connected to one end of the bottom plate 11, and the other end of the first elastic arm 21 is connected to one end of the contact portion 22. The other end of the first elastic arm 21 extends along a first direction. The contact portion 22 is bent, and the other end of the contact portion 22 is connected to one end of the second elastic arm 23. The second elastic arm 23 extends along a second direction. The first elastic arm 21 and the second elastic arm 23 are respectively located on either side of the contact portion 22. The first direction and the second direction are opposite. The first direction refers to the direction in which the first elastic arm 21 as a whole extends away from the limiting groove 10, and the second direction refers to the direction in which the second elastic arm 23 as a whole extends toward the limiting groove 10.

[0026] Specifically, the first elastic arm 21 includes a first arm 211, a second arm 212, and a third arm 213. The first arm 211 is connected to one end of the base plate 11, one end of the second arm 212 is bent and connected to the other end of the first arm 211, the other end of the second arm 212 is bent and connected to one end of the third arm 213, and the other end of the third arm 213 is connected to one end of the contact portion 22. One end of the first arm 211 and the other end of the third arm 213 are respectively located on either side of the third arm 213. The second elastic arm 23 includes a fourth arm 231 and an abutting portion 232. One end of the fourth arm 231 is connected to the other end of the contact portion 22, and the other end of the fourth arm 231 is connected to one end of the abutting portion 232. The abutting portion 232 is configured to abut against the base plate 11. The abutting portion 232 is bent, and the other end of the abutting portion 232 is located between the first elastic arm 21 and the fourth arm 231.

[0027] When the contact portion 22 is pressed by the conductive member, the first elastic arm 21 and the second elastic arm 23 move toward the base plate 11. During this process, the first force arm 211, the second force arm 212, and the third force arm 213 of the first elastic arm 21 are bent and connected, and work together to effectively absorb the pressure from the contact portion 22 and distribute it throughout the entire elastic arm structure, thereby reducing local stress concentration and protecting the elastic member 2 from damage. At the same time, the close contact between the abutment portion 232 of the second elastic arm 23 and the base plate 11 not only provides stable support for the second elastic arm 23, but also further absorbs some of the pressure through its bent shape, ensuring that the elastic member 2 deforms smoothly during the stress process.

[0028] Please continue reading Figures 1 to 3The first and second limiting protrusions 2311 and 2312 are respectively provided on the two side edges of the fourth force arm 231, and the first limiting protrusion 2311 is partially inserted into the first through hole 121. The first limiting protrusion 2311 can move in the first through hole 121, and the second limiting protrusion 2312 is partially inserted into the second through hole 131. The second limiting protrusion 2312 can move in the second through hole 131, so that when the elastic piece 2 is subjected to force, the first limiting protrusion 2311 and the second limiting protrusion 2312 on both sides of the fourth force arm 231 can respectively move within the first through hole 121 and the second through hole 131 in a limited manner, which not only ensures that the elastic piece 2 has sufficient deformation space during the force-bearing process, but also limits the excessive deformation of the elastic piece 2 through the cooperation between the limiting protrusion and the through hole, thereby ensuring the structural stability and safety of the elastic piece assembly. The edges of the fourth arm 231 are spaced from the first side plate 12 and the second side plate 13, respectively, to allow the fourth arm 231 to deform under load. This also prevents excessive wear from friction during deformation, thereby extending the service life of the spring 1000. Furthermore, this spacing allows the spring element 2 to self-adjust to a certain extent when subjected to external forces from different directions, maintaining good contact stability and conductive properties.

[0029] It should be noted that the working area of the spring element 2 is the vertical space between the top of the contact portion 22 and the top of the first side plate 12 or the second side plate 13. Within the working area, the spring element 2 can contact and conduct with the conductive element, and the spring element 2 can effectively reset after the conductive element separates. When the conductive element presses the spring element 2 toward the bottom plate 11 until the conductive element contacts the first side plate 12 and the second side plate 13, the first side plate 12 and the second side plate 13 limit the conductive element, preventing the conductive element from excessively pressing down on the spring element 2 beyond the working area and damaging the structure of the spring element 2.

[0030] The elastic piece 2 and the base 1 can be integrally formed or welded together. The elastic piece 2 and the base 1 can be made of the same or different metal materials, such as copper alloy, stainless steel, etc.

[0031] It is understandable that the spring piece 1000 is not limited to the above structure, and can also be other structures. For example, in some embodiments, the first through hole 121 and the second through hole 131 can be elliptical, rectangular, trapezoidal or other irregular shapes, so as to provide a more flexible plug-in and limiting method for the spring piece 2. In other embodiments, the base 1 includes a bottom plate 11, a first side plate 12, a second side plate 13, a third side plate and a fourth side plate, the first side plate 12, the second side plate 13, the third side plate and the fourth side plate are connected end to end, the first side plate 12, the second side plate 13, the third side plate and the fourth side plate are respectively connected to the edge of the bottom plate 11 and together form a limiting groove 10, and the spring piece 2 is connected to the bottom of the limiting groove 10.

[0032] It should be noted that the conductive part can be any component that needs to be in electrical contact with the shrapnel 1000, such as a metal contact of an electronic device, a terminal on a circuit board, or a connector made of other conductive materials. The shrapnel 1000 can be used as a grounding shrapnel, connected to the metal casing of the electronic device or a dedicated grounding terminal to ensure the safe grounding of the device. The shrapnel 1000 can be used as a signal transmission shrapnel, connected to the signal line in the electronic device to ensure stable signal transmission. The base plate 11 of the shrapnel can be used to be installed on a circuit board or a metal casing or other structures of the electronic device. The shrapnel can also be provided with a mounting base, which is connected to the base 1, and the mounting base is used to install and fix the shrapnel to the outside.

[0033] In some embodiments, see Figure 4 The spring clip 1000 also includes a mounting base 3, which includes a first mounting plate 31, a second mounting plate 32, and a connecting plate 33. The first mounting plate 31 and the second mounting plate 32 are arranged in parallel, and the first mounting plate 31 and the second mounting plate 32 are respectively connected to the ends of the connecting plate 33. The first mounting plate 31 is connected to the other end of the base plate 11. When the spring clip is mounted externally through the mounting base 3, the first mounting plate 31 and the second mounting plate 32 clamp the external structure, such as the edge of a circuit board or the side wall of a metal casing, and screws, rivets, or other fasteners are inserted through corresponding holes in the first mounting plate 31, the second mounting plate 32, and the external structure to firmly fix the spring clip in a predetermined position.

[0034] In the embodiment of the present utility model, the spring piece 1000 realizes effective control and guidance of the deformation of the spring piece 2 by setting a limiting groove 10 on the base 1 and cooperating with the limiting protrusion of the spring piece 2 and the through hole of the side plate, thereby avoiding unstable electrical connection due to deformation direction deviation and inability of the spring piece 2 to effectively rebound due to excessive deformation, thereby improving the stability and reliability of the spring piece during long-term use.

[0035] The present invention provides an embodiment of an electronic device, which includes a conductive member and the above-mentioned spring piece 1000 . The structure and function of the spring piece 1000 can be found in the above-mentioned embodiment, and will not be described in detail here.

[0036] It should be noted that the preferred embodiments of the present invention are given in the specification and drawings of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments do not serve as additional limitations on the content of the present invention. The purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. In addition, the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all considered to be within the scope of the description of the present invention; further, it is obvious to those skilled in the art that improvements or changes can be made based on the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A shrapnel, characterized in that: include: The base is provided with a limiting groove; The elastic piece includes a first elastic arm, a contact portion, and a second elastic arm, wherein one end of the first elastic arm is connected to the base, the other end of the first elastic arm is connected to one end of the contact portion, the other end of the first elastic arm extends along a first direction, the contact portion is bent, the other end of the contact portion is connected to one end of the second elastic arm, the second elastic arm extends along a second direction, and the second elastic arm is at least partially located in the limiting groove; The first direction and the second direction are opposite.

2. The shrapnel according to claim 1, characterized in that The base includes a bottom plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are respectively connected to the two side edges of the bottom plate, and the bottom plate, the first side plate and the second side plate are jointly enclosed to form the limiting groove; The first elastic arm is connected to one end of the bottom plate, and the second elastic arm is at least partially located between the first side plate and the second side plate.

3. The shrapnel according to claim 2, characterized in that , The first side plate is provided with a first through hole, and a first limiting protrusion is provided on one side of the second elastic arm. The first limiting protrusion is partially inserted into the first through hole, and the first limiting protrusion can move in the first through hole.

4. The shrapnel according to claim 3, characterized in that , The second side plate is provided with a second through hole, and the other side of the second elastic arm is provided with a second limiting protrusion, the second limiting protrusion is partially inserted into the second through hole, and the second limiting protrusion can move in the second through hole.

5. The shrapnel according to claim 2, characterized in that: The first elastic arm includes a first lever arm, a second lever arm and a third lever arm, one end of the first lever arm is connected to one end of the base plate, one end of the second lever arm is bent and connected to the other end of the first lever arm, the other end of the second lever arm is bent and connected to one end of the third lever arm, and the other end of the third lever arm is connected to one end of the contact portion.

6. The shrapnel according to claim 2, characterized in that: The second elastic arm includes a fourth force arm and an abutting portion, one end of the fourth force arm is connected to the other end of the contact portion, the other end of the fourth force arm is connected to one end of the abutting portion, and the abutting portion is used to abut the bottom plate.

7. The shrapnel according to claim 5, characterized in that: One end of the first lever arm and the other end of the third lever arm are respectively located on both sides of the second lever arm.

8. The shrapnel according to claim 6, characterized in that: The abutting portion is bent, and the other end of the abutting portion is located between the first elastic arm and the fourth force arm.

9. The shrapnel according to any one of claims 2 to 8, characterized in that: Both side edges of the second elastic arm are spaced apart from the first side plate and the second side plate respectively.

10. An electronic device, characterized in that: The invention comprises a spring piece as claimed in any one of claims 1 to 9.

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