Circuit board and electronic equipment
By setting up a dual elastic arm assembly on the circuit board, the instability problem of existing shrapnel connectors due to uneven elastic distribution under large areas of electronic components is solved, and a more stable conduction connection is achieved.
Patent Information
- Application Number
- CN202420670279.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-03-30
AI Technical Summary
The existing shrapnel connectors are usually single elastic arm structures. When the area of the electronic components to be turned on is large, the elastic force distribution will be uneven and the conduction structure will be unstable.
The dual elastic arm assembly design is adopted, including the first and second elastic arms, which are respectively fixed to the base and bent upward to form an annular distribution to abut with the electronic components, share the elastic force evenly, and avoid unstable tilt phenomenon.
Through the design of the double elastic arm assembly, the elastic force can be evenly shared when the area or pressure of the electronic component is large, the unstable inclination caused by uneven elastic force distribution can be avoided, and the stability of the conductive structure can be improved.
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Figure CN223080187U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of the present application relate to the technical field of connectors, and particularly to a circuit board and an electronic device. Background Art
[0002] With the progress of technology and the development of economy, electronic devices such as mobile phones and tablet computers have become indispensable daily necessities for people. These electronic devices have been widely integrated into people's daily lives, providing great convenience for people's lives and work, and enriching people's lives. In order to facilitate the connection between the circuit board of an electronic device and electronic components, spring pieces are usually provided in the electronic device. One end of the spring piece is fixed to the circuit board of the electronic device, and the other end of the spring piece abuts against the electronic component to achieve the connection between the electronic device and the electronic component.
[0003] During the implementation of the embodiments of the present application, the inventors found that: existing spring piece connectors usually have a single elastic arm structure. When the area of the electronic component to be conducted is large, only one contact part of the existing spring piece connector contacts the electronic component to be conducted, causing the force on the electronic component to be conducted to be too concentrated, thus resulting in an unstable conduction structure. Summary of the Utility Model
[0004] The main technical problem to be solved by the embodiments of the present application is to provide a circuit board. By providing an elastic arm assembly on the board body, when the electronic component is large, it can balance the downward pressure of the spring piece during operation, avoiding unstable tilting caused by uneven elastic force distribution and affecting the use effect.
[0005] To solve the above technical problem, one technical solution adopted by the embodiments of the present application is: to provide a circuit board, including a board body and a spring piece. The spring piece includes a base portion and an elastic arm assembly. One end of the elastic arm assembly abuts against the board body, and the other end of the elastic arm assembly is connected to the base portion. And the other end of the elastic arm bends upward away from the base portion. The other end of the elastic arm assembly is used to abut against the electronic component. The elastic arm assembly includes a first elastic arm and a second elastic arm. One end of the first elastic arm is fixed to the base portion, and the other end of the first elastic arm bends upward away from the base portion. One end of the second elastic arm is fixed to the base portion, and the other end of the second elastic arm bends upward away from the base portion. And the first elastic arm and the second elastic arm are arranged oppositely.
[0006] Optionally, the first elastic arm includes a first connection portion, a first elastic portion, and a first contact portion. One end of the first connection portion is connected to the base portion. The first connection portion is connected to the first elastic portion. One end of the first contact portion is connected to the other end of the first elastic portion. The first elastic portion is inclined upward relative to the base portion. And the first contact portion is used to abut against the electronic component.
[0007] Optionally, the second elastic arm includes a second connecting portion, a second elastic portion, and a second contacting portion. One end of the second connecting portion is connected to the base portion. The second connecting portion is connected to the second elastic portion. One end of the second contacting portion is connected to the other end of the second elastic portion. The second elastic portion is inclined upward relative to the base portion, and the second contacting portion is used to abut against the electronic component.
[0008] Optionally, the base portion is further provided with a convex portion, and the convex portion is used to fix the electronic component.
[0009] Optionally, the convex portion is provided with an opening. One ends of the first elastic arm and the second elastic arm are respectively connected to the substrate on the side wall of the convex portion, and the first contacting portion and the second contacting portion are bent in the direction of the opening.
[0010] Optionally, the opening is further provided with a plurality of tapered portions, and the plurality of tapered portions are sequentially communicated to enclose the opening.
[0011] Optionally, the elastic arm assembly includes a third elastic arm and a fourth elastic arm. One end of the third elastic arm is fixed to the base portion. The other end of the third elastic arm is bent upward and extends away from the base portion. One end of the fourth elastic arm is fixed to the base portion. The other end of the fourth elastic arm is bent upward and extends away from the base portion. The third elastic arm and the fourth elastic arm are oppositely arranged, and the elastic arm assembly extends along the tapered portion.
[0012] Optionally, the circuit board further includes a screwing assembly. The base portion is provided with a fixing hole, and the circuit board is provided with a screwing hole. The fixing component passes through the fixing hole and is screwed with the screwing hole.
[0013] To solve the above technical problems, another technical solution adopted in the embodiments of the present application is: to provide an electronic device, including any one of the above circuit boards.
[0014] An embodiment of the present application provides a circuit board, which includes a board body and a shrapnel. The shrapnel includes a base and an elastic arm assembly. One end of the elastic arm assembly abuts against the board body, and the other end of the elastic arm assembly is connected to the base. Moreover, the other end of the elastic arm bends upward away from the base, and the other end of the elastic arm assembly is used to abut against an electronic component. The elastic arm assembly includes a first elastic arm and a second elastic arm. One end of the first elastic arm is fixed to the base, and the other end of the first elastic arm bends upward away from the base. One end of the second elastic arm is fixed to the base, and the other end of the second elastic arm bends upward away from the base. And the first elastic arm and the second elastic arm are arranged oppositely. By arranging the elastic arm assembly on the substrate, it forms a conduction connection or an elastic mechanism function in elastic cooperation with the electronic component. When the area or pressure of the electronic component is large, it can balance the downward pressure during operation, avoiding unstable inclination caused by uneven elastic force distribution and affecting the use effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally denoted by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0016] Figure 1 is a schematic diagram of the circuit board according to the embodiment of the present application;
[0017] Figure 2 is a schematic diagram of the shrapnel according to the embodiment of the present application;
[0018] Figure 3 is a schematic diagram of the shrapnel assembly according to the embodiment of the present application;
[0019] Figure 4 is a schematic diagram of another perspective of the shrapnel according to the embodiment of the present application;
[0020] Figure 5 is another schematic diagram of the shrapnel according to the embodiment of the present application.
[0021] The reference numerals in the detailed description are as follows: 100, circuit board; 10, board body; 20, shrapnel; 30, base; 311, opening; 312, tapered portion; 302, fixing hole; 40, elastic arm assembly; 401, first elastic arm; 402, second elastic arm; 403, third elastic arm; 404, fourth elastic arm; 411, first connecting portion; 412, first elastic portion; 413, first contact portion; 421, second connecting portion; 422, second elastic portion; 423, second contact portion; 301, protruding portion. Detailed Implementation Manner
[0022] To facilitate the understanding of this application, the following provides a more detailed description of this application in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is expressed as "fixed to" another element, it can be directly on the other element, or there can be one or more intermediate elements therebetween. When an element is expressed as "connected to" another element, it can be directly connected to the other element, or there can be one or more intermediate elements therebetween. The orientation or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "vertical", "horizontal", etc. used in this specification are based on the orientation or positional relationships shown in the accompanying drawings. These are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to this application. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0023] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by those skilled in the technical field to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not used to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.
[0024] In addition, the technical features involved in different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.
[0025] Please refer to Figure 1 and Figure 2, the circuit board 100 includes: a board body 10 and a spring piece 20. The spring piece 20 includes a base portion 30 and an elastic arm assembly 40. One end of the elastic arm assembly 40 abuts against the board body 10, and the other end of the elastic arm assembly 40 is connected to the base portion 30. Moreover, the other end of the elastic arm bends upward in a direction away from the base portion 30. The other end of the elastic arm assembly 40 is used to abut against an electronic component. The elastic arm assembly 40 includes a first elastic arm 401 and a second elastic arm 402. One end of the first elastic arm 401 is fixed to the base portion 30, and the other end of the first elastic arm 401 bends upward in a direction away from the base portion 30. One end of the second elastic arm 402 is fixed to the base portion 30, and the other end of the second elastic arm 402 bends upward in a direction away from the base portion 30. And the first elastic arm 401 and the second elastic arm 402 are arranged oppositely. By arranging the first elastic arm 401 and the second elastic arm 402 to elastically cooperate with the electronic component to form a conduction connection or an elastic mechanism function. When the area or pressure of the electronic component is too large, the relative arrangement of the first elastic arm 401 and the second elastic arm 402 can balance the pressure brought by the downward pressure during the operation of the electronic component.
[0026] Please refer to Figure 3 , the elastic arm assembly 40 further includes a third elastic arm 403 and a fourth elastic arm 404. One end of the third elastic arm 403 is fixed to the base portion 30, and the other end of the third elastic arm 403 bends upward in a direction away from the base portion 30. One end of the fourth elastic arm 404 is fixed to the base portion 30, and the other end of the fourth elastic arm 404 bends upward in a direction away from the base portion 30. And the third elastic arm 403 and the fourth elastic arm 404 are arranged oppositely. The first elastic arm 401, the second elastic arm 402, the third elastic arm 403 and the fourth elastic arm 404 are arranged in a ring along the substrate, and the elastic arm assembly 40 is evenly distributed on the substrate, which can cooperate with the electronic component to form a conduction connection or an elastic mechanism function. The uniform annular distribution of the elastic arm assembly 40 can meet the requirement when the electronic component is relatively large, can balance the downward pressure during operation, and avoid the phenomenon of unstable inclination caused by uneven elastic force distribution, which affects the use effect.
[0027] Please refer to Figure 4, the first elastic arm 401 includes a first connecting portion 411, a first elastic portion 412, and a first contact portion 413. One end of the first connecting portion 411 is connected to the base 30. The first connecting portion 411 is connected to the first elastic portion 412. One end of the first contact portion 413 is connected to the other end of the first elastic portion 412. The first elastic portion 412 is inclined upward relative to the base 30, so that the first elastic arm 401 has better resilience when subjected to the pressure of the electronic component being pressed downward. And the first contact portion 413 is used to abut against the electronic component, and cooperate with the electronic component to form a conduction structure.
[0028] Please continue to refer to Figure 4 , the second elastic arm 402 includes a second connecting portion 421, a second elastic portion 422, and a second contact portion 423. One end of the second connecting portion 421 is connected to the base 30. The second connecting portion 421 is connected to the second elastic portion 422. One end of the second contact portion 423 is connected to the other end of the second elastic portion 422. The second elastic portion 422 is inclined upward relative to the base 30, so that the second elastic arm 402 has better resilience when subjected to the pressure of the electronic component being pressed downward. And the second contact portion 423 is used to abut against the electronic component.
[0029] Please refer to Figure 3 , the third elastic arm 403 includes a third connecting portion, a third elastic portion, and a third contact portion. One end of the third connecting portion is connected to the base 30. The third connecting portion is connected to the third elastic portion. One end of the third contact portion is connected to the other end of the third elastic portion. The third elastic portion is inclined upward relative to the base 30. And the third contact portion is used to abut against the electronic component. The fourth elastic arm 404 includes a fourth connecting portion, a fourth elastic portion, and a fourth contact portion. One end of the fourth connecting portion is connected to the base 30. The fourth connecting portion is connected to the fourth elastic portion. One end of the fourth contact portion is connected to the other end of the fourth elastic portion. The fourth elastic portion is inclined upward relative to the base 30. And the fourth contact portion is used to abut against the electronic component.
[0030] Please refer to Figure 1 and Figure 5, the base 30 is further provided with a convex portion 301, and the convex portion 301 is used for fixing with the electronic component. Further, the convex portion 301 is provided with an opening 311. One ends of the first elastic arm 401 and the second elastic arm 402 are respectively connected to the substrate on the side wall of the convex portion 301, and the first contact portion 413 and the second contact portion 423 are bent in the direction of the opening 311. A plurality of tapered portions 312 are further provided in the opening 311, and the plurality of tapered portions 312 are sequentially connected to enclose the opening 311. In the embodiment of the present application, there are four tapered portions 312. By providing the tapered portions 312, the elastic sheet 20 is fixed to the circuit board 100 or other internal parts (base) of the electronic product in cooperation with the polygonal screw, and can be matched with the screw for limiting to prevent the product from loosening and rotating.
[0031] In the embodiment of the present application, the circuit board 100 further includes a screwing assembly (not shown in the figure). The base 30 is provided with a fixing hole 302, and the circuit board 100 is provided with a screwing hole (not shown in the figure). The fixing component passes through the fixing hole 302 and is screwed with the screwing hole, further reducing the risk of the elastic sheet 20 detaching from the board body 10.
[0032] The embodiment of the present application provides a circuit board 100. The circuit board 100 includes a board body 10 and an elastic sheet 20. The elastic sheet 20 includes a base 30 and an elastic arm assembly 40. One end of the elastic arm assembly 40 abuts against the board body 10, and the other end of the elastic arm assembly 40 is connected to the base 30. And the other end of the elastic arm is bent upward in a direction away from the base 30. The other end of the elastic arm assembly 40 is used for abutting against the electronic component. The elastic arm assembly 40 includes a first elastic arm 401 and a second elastic arm 402. One end of the first elastic arm 401 is fixed to the base 30, and the other end of the first elastic arm 401 is bent upward in a direction away from the base 30. One end of the second elastic arm 402 is fixed to the base 30, and the other end of the second elastic arm 402 is bent upward in a direction away from the base 30. And the first elastic arm 401 and the second elastic arm 402 are oppositely arranged. By providing the elastic arm assembly 40 on the substrate, an elastic cooperation with the electronic component is formed to achieve a conduction connection or an elastic mechanism function. When the area or pressure of the electronic component is large, the working downward pressure can be balanced, avoiding unstable inclination caused by uneven elastic force distribution and affecting the use effect. The present application further provides an embodiment of an electronic device. The electronic device includes the above-mentioned circuit board. For the specific structure and function of the electronic device, reference can be made to the above embodiments, which will not be elaborated here.
[0033] The above are only embodiments of the present application, and do not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present application.
Claims
1. A circuit board, characterized in that, Comprising: A board body; A shrapnel, including a base and an elastic arm assembly. One end of the elastic arm assembly abuts against the board body, the other end of the elastic arm assembly is connected to the base, and the other end of the elastic arm assembly bends upward away from the base. The other end of the elastic arm assembly is used to abut against an electronic component. The elastic arm assembly includes a first elastic arm and a second elastic arm. One end of the first elastic arm is fixed to the base, the other end of the first elastic arm bends upward away from the base, one end of the second elastic arm is fixed to the base, the other end of the second elastic arm bends upward away from the base, and the first elastic arm and the second elastic arm are arranged oppositely.
2. The circuit board according to claim 1, wherein: The first elastic arm includes a first connecting portion, a first elastic portion, and a first contact portion. One end of the first connecting portion is connected to the base, the first connecting portion is connected to the first elastic portion, one end of the first contact portion is connected to the other end of the first elastic portion. The first elastic portion is inclined upward relative to the base, and the first contact portion is used to abut against an electronic component.
3. The circuit board according to claim 2, wherein: The second elastic arm includes a second connecting portion, a second elastic portion, and a second contact portion. One end of the second connecting portion is connected to the base, the second connecting portion is connected to the second elastic portion, one end of the second contact portion is connected to the other end of the second elastic portion. The second elastic portion is inclined upward relative to the base, and the second contact portion is used to abut against an electronic component.
4. The circuit board according to claim 3, wherein: The base is further provided with a convex portion, and the convex portion is used to fix the electronic component.
5. The circuit board according to claim 4, wherein: The convex portion is provided with an opening. One ends of the first elastic arm and the second elastic arm are respectively connected to the side wall of the convex portion of the substrate, and the first contact portion and the second contact portion are bent toward the opening.
6. The circuit board according to claim 5, wherein: The opening is further provided with a plurality of tapered portions, and the plurality of tapered portions are sequentially communicated to enclose the opening.
7. The circuit board according to claim 6, wherein: The elastic arm assembly includes a third elastic arm and a fourth elastic arm. One end of the third elastic arm is fixed to the base, the other end of the third elastic arm bends upward away from the base, one end of the fourth elastic arm is fixed to the base, the other end of the fourth elastic arm bends upward away from the base, and the third elastic arm and the fourth elastic arm are arranged oppositely. The elastic arm assembly extends along the tapered portion.
8. The circuit board according to claim 1, wherein: The circuit board further includes a fixing component. The base is provided with a fixing hole, and the circuit board is provided with a screw hole. The fixing component passes through the fixing hole and is screwed with the screw hole.
9. An electronic device, characterized in that, Comprising a circuit board as described in any one of claims 1 - 8.