Terminal and electrical connection assembly
By designing a terminal that supports the free end of the elastic cantilever on the top surface of the terminal substrate, the problem of unreliable electrical contact in the existing terminal in a vibrating environment is solved, and higher electrical contact reliability and stability are achieved.
Patent Information
- Application Number
- CN202421414893.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The elastic cantilever of existing terminals is prone to instant breakage in vibrating environments, resulting in unreliable electrical contact.
A terminal is designed where the free end of the elastic cantilever is supported on the top surface of the substrate when in electrical contact with the conductive member, thereby ensuring stable electrical contact.
By supporting the free end of the elastic cantilever, the reliability and stability of the electrical contact between the terminal and the conductive component are improved, and the problem of instant breaking in the vibration environment is reduced.
Smart Images

Figure CN222673363U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a terminal and an electrical connection component comprising the terminal. Background Art
[0002] In the prior art, the terminal has an elastic cantilever for electrically contacting the conductive component. Usually, when the terminal is in electrical contact with the conductive component, the free end of the terminal is suspended. This results in unreliable electrical contact between the terminal and the conductive component, and is prone to instantaneous disconnection in a vibrating environment. Utility Model Content
[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.
[0004] According to one aspect of the utility model, a terminal is provided, which comprises: a substrate, which is suitable for being fixed and electrically connected to a circuit board; and an elastic cantilever, which comprises a fixed end connected to one side of the substrate and a free end capable of moving relative to the substrate, wherein the free end of the elastic cantilever is supported on the top surface of the substrate when the elastic cantilever is in electrical contact with a conductive component.
[0005] According to an exemplary embodiment of the utility model, when the elastic cantilever is in a natural state without being subjected to external force, the free end of the elastic cantilever does not contact the top surface of the substrate; when the elastic cantilever is in a pressurized state in electrical contact with the conductive component, the free end of the elastic cantilever rests on the top surface of the substrate.
[0006] According to another exemplary embodiment of the utility model, when the elastic cantilever is in a natural state without being subjected to external force, the free end of the elastic cantilever contacts the top surface of the substrate; when the elastic cantilever is in a pressurized state in electrical contact with the conductive component, the free end of the elastic cantilever rests on the top surface of the substrate.
[0007] According to another exemplary embodiment of the utility model, the elastic cantilever also includes: a first arm portion, extending a first length at a first inclination angle relative to the substrate; a second arm portion, extending a second length at a second inclination angle different from the first inclination angle relative to the substrate; and an electrical contact portion, connected between one end of the first arm portion and one end of the second arm portion, for electrically contacting the conductive component, the fixed end of the elastic cantilever is connected between the other end of the first arm portion and one side of the substrate, and the free end of the elastic cantilever is connected to the other end of the second arm portion.
[0008] According to another exemplary embodiment of the present utility model, the first inclination angle is smaller than the second inclination angle, the first inclination angle is greater than 30 degrees and less than 60 degrees, and the second inclination angle is greater than 60 degrees and less than 90 degrees.
[0009] According to another exemplary embodiment of the present utility model, the electrical contact portion of the elastic cantilever is arc-shaped and has an electrical contact surface suitable for sliding electrical contact with the surface of the conductive component.
[0010] According to another exemplary embodiment of the present invention, the free end of the elastic cantilever is arc-shaped and has an arc-shaped contact surface suitable for sliding contact with the top surface of the substrate.
[0011] According to another exemplary embodiment of the present invention, the substrate has two opposite sides in its width, and the fixed end of the elastic cantilever is arc-shaped and connected to one side of the substrate.
[0012] According to another exemplary embodiment of the utility model, the terminal further includes: a fixing foot connected to a side edge of the substrate and used for being plugged into a socket on the circuit board to fix the terminal to the circuit board.
[0013] According to another exemplary embodiment of the present invention, the elastic cantilever of the terminal is located above the substrate, and the fixed foot of the terminal is perpendicular to the substrate and extends downward from the substrate.
[0014] According to another exemplary embodiment of the present invention, the substrate has two opposite sides in its width, the fixed end of the elastic cantilever is connected to one side of the substrate, and the fixed foot of the terminal is connected to the other side of the substrate.
[0015] According to another exemplary embodiment of the present utility model, the terminal includes a plurality of fixing feet, and the plurality of fixing feet are distributed at intervals and are used to be respectively plugged into a plurality of sockets on the circuit board.
[0016] According to another exemplary embodiment of the present utility model, the bottom surface of the substrate of the terminal is suitable for being soldered to the pad of the circuit board to be electrically connected to the circuit board.
[0017] According to another exemplary embodiment of the present invention, the terminal is an integral stamped part.
[0018] According to another aspect of the utility model, an electrical connection assembly is provided, which comprises: a circuit board; and the aforementioned terminal, whose substrate is fixed to the circuit board and electrically connected to the circuit board.
[0019] According to an exemplary embodiment of the present utility model, a soldering pad is formed on the circuit board, and the bottom surface of the substrate of the terminal is soldered to the soldering pad of the circuit board.
[0020] According to another exemplary embodiment of the present utility model, a plug hole is formed on the circuit board, and the fixing foot of the terminal is plugged into the plug hole on the circuit board.
[0021] According to another exemplary embodiment of the utility model, the electrical connection assembly also includes: a conductive component, which is electrically in contact with the elastic cantilever of the terminal so as to be electrically connected to the circuit board via the terminal, the elastic cantilever of the terminal is squeezed between the conductive component and the substrate of the terminal, and the free end of the elastic cantilever is supported on the substrate of the terminal to ensure that the elastic cantilever is in reliable electrical contact with the conductive component.
[0022] In the aforementioned exemplary embodiments of the present invention, when the terminal is in electrical contact with the conductive component, the free end of the terminal is supported on the substrate of the terminal, thereby ensuring reliable electrical contact between the terminal and the conductive component and improving the reliability and stability of the electrical contact.
[0023] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 A three-dimensional schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the utility model;
[0025] Figure 2 A side view showing an electrical connection assembly according to an exemplary embodiment of the present utility model;
[0026] Figure 3 An exploded schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the present utility model;
[0027] Figure 4 A three-dimensional schematic diagram showing a terminal and a circuit board of an electrical connection assembly according to an exemplary embodiment of the utility model;
[0028] Figure 5 An exploded schematic diagram showing a terminal and a circuit board of an electrical connection assembly according to an exemplary embodiment of the utility model;
[0029] Figure 6 A terminal side view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown. DETAILED DESCRIPTION
[0030] The technical solution of the utility model is further specifically described below through examples and in combination with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the implementation mode of the utility model with reference to the accompanying drawings is intended to explain the overall utility model concept of the utility model, and should not be understood as a limitation of the utility model.
[0031] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.
[0032] According to an overall technical concept of the utility model, a terminal is provided, which comprises: a substrate, which is suitable for being fixed and electrically connected to a circuit board; and an elastic cantilever, which comprises a fixed end connected to one side of the substrate and a free end capable of moving relative to the substrate, wherein the free end of the elastic cantilever is supported on the top surface of the substrate when the elastic cantilever is in electrical contact with a conductive component.
[0033] According to another general technical concept of the utility model, an electrical connection assembly is provided, which includes: a circuit board; and the aforementioned terminal, whose substrate is fixed to the circuit board and electrically connected to the circuit board.
[0034] Figure 1 A three-dimensional schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the utility model; Figure 2 A side view showing an electrical connection assembly according to an exemplary embodiment of the present utility model; Figure 3 An exploded schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the present utility model; Figure 4 A three-dimensional schematic diagram showing a terminal 1 and a circuit board 2 of an electrical connection assembly according to an exemplary embodiment of the utility model; Figure 5 An exploded schematic diagram showing a terminal 1 and a circuit board 2 of an electrical connection assembly according to an exemplary embodiment of the utility model; Figure 6 A side view of a terminal 1 of an electrical connection assembly according to an exemplary embodiment of the present utility model is shown.
[0035] like Figures 1 to 6As shown, in an exemplary embodiment of the utility model, a terminal 1 is disclosed. The terminal 1 includes: a substrate 100 and an elastic cantilever 10. The substrate 100 is suitable for being fixed and electrically connected to a circuit board 2. The elastic cantilever 10 includes a fixed end 14 connected to one side of the substrate 100 and a free end 15 that can move relative to the substrate 100. The free end 15 of the elastic cantilever 10 is supported on the top surface of the substrate 100 when the elastic cantilever 10 is in electrical contact with the conductive component 3.
[0036] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, when the elastic cantilever 10 is in a natural state without external force, the free end 15 of the elastic cantilever 10 is not in contact with the top surface of the substrate 100. When the elastic cantilever 10 is in a compressed state in electrical contact with the conductive component 3, the free end 15 of the elastic cantilever 10 abuts against the top surface of the substrate 100.
[0037] like Figures 1 to 6 As shown, in another exemplary embodiment of the present invention, when the elastic cantilever 10 is in a natural state without external force, the free end 15 of the elastic cantilever 10 contacts the top surface of the substrate 100. When the elastic cantilever 10 is in a compressed state in electrical contact with the conductive component 3, the free end 15 of the elastic cantilever 10 abuts against the top surface of the substrate 100.
[0038] like Figures 1 to 6 As shown, in the illustrated embodiment, the elastic cantilever 10 further includes: a first arm portion 11, a second arm portion 12 and an electrical contact portion 13. The first arm portion 11 is inclined to extend a first length at a first inclination angle α relative to the substrate 100. The second arm portion 12 is inclined to extend a second length at a second inclination angle β different from the first inclination angle α relative to the substrate 100. The electrical contact portion 13 is connected between one end of the first arm portion 11 and one end of the second arm portion 12, and is used to make electrical contact with the conductive component 3. The fixed end portion 14 of the elastic cantilever 10 is connected between the other end of the first arm portion 11 and one side of the substrate 100, and the free end portion 15 of the elastic cantilever 10 is connected to the other end of the second arm portion 12.
[0039] like Figures 1 to 6 As shown, in the illustrated embodiment, the first inclination angle α is smaller than the second inclination angle β, the first inclination angle α is greater than 30 degrees and less than 60 degrees, and the second inclination angle β is greater than 60 degrees and less than 90 degrees.
[0040] like Figures 1 to 6 As shown, in the illustrated embodiment, the electrical contact portion 13 of the elastic cantilever 10 is arc-shaped and has an electrical contact surface suitable for sliding electrical contact with the surface of the conductive component 3 .
[0041] like Figures 1 to 6As shown, in the illustrated embodiment, the free end portion 15 of the elastic cantilever 10 is arc-shaped and has an arc-shaped contact surface suitable for slidingly contacting the top surface of the substrate 100 .
[0042] like Figures 1 to 6 As shown, in the illustrated embodiment, the substrate 100 has two opposite sides in its width, and the fixed end 14 of the elastic cantilever 10 is arc-shaped and connected to one side of the substrate 100 .
[0043] like Figures 1 to 6 As shown, in the illustrated embodiment, the terminal 1 further includes a fixing foot 16 , which is connected to the side of the substrate 100 and is used to be plugged into the socket 22 on the circuit board 2 to fix the terminal 1 to the circuit board 2 .
[0044] like Figures 1 to 6 As shown, in the illustrated embodiment, the elastic cantilever 10 of the terminal 1 is located above the substrate 100 , and the fixing foot 16 of the terminal 1 is perpendicular to the substrate 100 and extends downward from the substrate 100 .
[0045] like Figures 1 to 6 As shown, in the illustrated embodiment, the substrate 100 has two opposite sides in its width, the fixed end 14 of the elastic cantilever 10 is connected to one side of the substrate 100, and the fixed foot 16 of the terminal 1 is connected to the other side of the substrate 100.
[0046] like Figures 1 to 6 As shown, in the illustrated embodiment, the terminal 1 includes a plurality of fixing legs 16 , and the plurality of fixing legs 16 are distributed at intervals and are used to be respectively plugged into a plurality of insertion holes 22 on the circuit board 2 .
[0047] like Figures 1 to 6 As shown, in the illustrated embodiment, the bottom surface of the substrate 100 of the terminal 1 is suitable for being soldered to the pad 21 of the circuit board 2 to be electrically connected to the circuit board 2 .
[0048] like Figures 1 to 6 As shown, in the illustrated embodiment, the terminal 1 may be an integral stamped part. For example, the terminal 1 may be made by stamping a single metal sheet.
[0049] like Figures 1 to 6 As shown, in another exemplary embodiment of the present invention, an electrical connection assembly is also disclosed. The electrical connection assembly includes: the aforementioned terminal 1 and a circuit board 2. The substrate 100 of the terminal 1 is fixed to the circuit board 2 and electrically connected to the circuit board 2.
[0050] like Figures 1 to 6 As shown, in the illustrated embodiment, a soldering pad 21 is formed on the circuit board 2 , and the bottom surface of the substrate 100 of the terminal 1 is soldered to the soldering pad 21 of the circuit board 2 .
[0051] like Figures 1 to 6 As shown, in the illustrated embodiment, a plug hole 22 is formed on the circuit board 2 , and the fixing foot 16 of the terminal 1 is plugged into the plug hole 22 on the circuit board 2 .
[0052] like Figures 1 to 6 As shown, in the illustrated embodiment, the electrical connection assembly further includes a conductive component 3. The conductive component 3 is in electrical contact with the elastic cantilever 10 of the terminal 1 so as to be electrically connected to the circuit board 2 via the terminal 1. The elastic cantilever 10 of the terminal 1 is squeezed between the conductive component 3 and the substrate 100 of the terminal 1, and the free end 15 of the elastic cantilever 10 is supported on the substrate 100 of the terminal 1 to ensure reliable electrical contact between the elastic cantilever 10 and the conductive component 3. In the illustrated embodiment, the conductive component 3 is a guide rail. However, the utility model is not limited thereto, and the conductive component 3 can be any component that needs to be electrically connected to the circuit board 2 via the terminal 1.
[0053] Those skilled in the art will appreciate that the embodiments described above are exemplary and can be improved upon by those skilled in the art. The structures described in the various embodiments can be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present utility model.
[0054] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementation modes of the present invention and should not be construed as limiting the present invention.
[0055] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined by the claims and their equivalents.
[0056] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element number of the claims should not be construed as limiting the scope of the present invention.
Claims
1. A terminal, characterized in that: include: A substrate (100) adapted to be fixed and electrically connected to a circuit board (2); and An elastic cantilever (10) comprises a fixed end (14) connected to one side of the substrate (100) and a free end (15) capable of moving relative to the substrate (100), The free end (15) of the elastic cantilever (10) is supported on the top surface of the substrate (100) when the elastic cantilever (10) is in electrical contact with the conductive component (3).
2. The terminal according to claim 1, characterized in that: When the elastic cantilever (10) is in a natural state without being subjected to external force, the free end (15) of the elastic cantilever (10) is not in contact with the top surface of the substrate (100); and When the elastic cantilever (10) is in a compressed state in electrical contact with the conductive component (3), the free end (15) of the elastic cantilever (10) abuts against the top surface of the substrate (100).
3. The terminal according to claim 1, characterized in that: When the elastic cantilever (10) is in a natural state without being subjected to external force, the free end (15) of the elastic cantilever (10) is in contact with the top surface of the substrate (100); and When the elastic cantilever (10) is in a compressed state in electrical contact with the conductive component (3), the free end (15) of the elastic cantilever (10) abuts against the top surface of the substrate (100).
4. The terminal according to claim 1, characterized in that: The elastic cantilever (10) further comprises: A first arm portion (11) extending at a first inclination angle (α) relative to the substrate (100) and having a first length; A second arm portion (12) extending obliquely to a second length at a second inclination angle (β) different from the first inclination angle (α) relative to the base plate (100); and An electrical contact portion (13) is connected between one end of the first arm portion (11) and one end of the second arm portion (12) and is used for electrically contacting the conductive component (3); a fixed end portion (14) of the elastic cantilever (10) is connected between the other end of the first arm portion (11) and one side of the substrate (100); and a free end portion (15) of the elastic cantilever (10) is connected to the other end of the second arm portion (12).
5. The terminal according to claim 4, characterized in that: The first inclination angle (α) is smaller than the second inclination angle (β), the first inclination angle (α) is greater than 30 degrees and less than 60 degrees, and the second inclination angle (β) is greater than 60 degrees and less than 90 degrees.
6. The terminal according to claim 4, characterized in that: The electrical contact portion (13) of the elastic cantilever (10) is arc-shaped and has an electrical contact surface suitable for sliding electrical contact with the surface of the conductive component (3).
7. The terminal according to claim 4, characterized in that: The free end (15) of the elastic cantilever (10) is arc-shaped and has an arc-shaped contact surface suitable for sliding contact with the top surface of the substrate (100).
8. The terminal according to claim 4, characterized in that: The substrate (100) has two opposite sides in width, and the fixed end (14) of the elastic cantilever (10) is arc-shaped and connected to one side of the substrate (100).
9. The terminal according to claim 1, characterized in that: Also includes: A fixing foot (16) is connected to a side edge of the base plate (100) and is used for being plugged into a plug hole (22) on the circuit board (2) to fix the terminal (1) to the circuit board (2).
10. The terminal according to claim 9, characterized in that: The elastic cantilever (10) of the terminal (1) is located above the substrate (100), and the fixed foot (16) of the terminal (1) is perpendicular to the substrate (100) and extends downward from the substrate (100).
11. The terminal according to claim 9, characterized in that: The substrate (100) has two sides opposite to each other in width, the fixed end (14) of the elastic cantilever (10) is connected to one side of the substrate (100), and the fixed foot (16) of the terminal (1) is connected to the other side of the substrate (100).
12. The terminal according to claim 9, characterized in that: The terminal (1) comprises a plurality of fixing feet (16), the plurality of fixing feet (16) being distributed at intervals and used for being respectively plugged into a plurality of plug holes (22) on the circuit board (2).
13. The terminal according to claim 1, characterized in that: The bottom surface of the substrate (100) of the terminal (1) is suitable for being soldered to the solder pad (21) of the circuit board (2) so as to be electrically connected to the circuit board (2).
14. The terminal according to any one of claims 1 to 13, characterized in that: The terminal (1) is an integral stamped part.
15. An electrical connection assembly, characterized in that: include: Circuit board (2); and The terminal (1) according to any one of claims 1 to 14, wherein the substrate (100) is fixed to the circuit board (2) and electrically connected to the circuit board (2).
16. The electrical connection assembly according to claim 15, characterized in that: A soldering pad (21) is formed on the circuit board (2), and the bottom surface of the substrate (100) of the terminal (1) is soldered to the soldering pad (21) of the circuit board (2).
17. The electrical connection assembly according to claim 15, characterized in that: A plug hole (22) is formed on the circuit board (2), and the fixing foot (16) of the terminal (1) is plugged into the plug hole (22) on the circuit board (2).
18. The electrical connection assembly according to claim 15, characterized in that: Also includes: a conductive component (3) electrically contacting the elastic cantilever (10) of the terminal (1) so as to be electrically connected to the circuit board (2) via the terminal (1), The elastic cantilever (10) of the terminal (1) is squeezed between the conductive component (3) and the substrate (100) of the terminal (1), and the free end (15) of the elastic cantilever (10) is supported on the substrate (100) of the terminal (1) to ensure reliable electrical contact between the elastic cantilever (10) and the conductive component (3).