Terminal and electric connector

By introducing a restriction part and an elastic part into the terminal, combined with the limiting table in the insulating body, the welding problem caused by inconsistent terminal height is solved, the coplanarity and stable contact between the terminal and the hot ball are achieved, and the connection is enhanced stability.

CN222261450UActive Publication Date: 2024-12-27SICHUAN HUAFENG ENTERPRISE GRP
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Patent Information

Application Number
CN202323325188.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-06
Publication Date
2024-12-27
Estimated Expiration
2033-12-06

AI Technical Summary

Technical Problem

The terminal tape and the connecting area of ​​the existing CPU Socket connector are on the same plane as the terminal body or its extension, resulting in the depth of the terminal body being pressed into the housing after cutting, resulting in inconsistent terminal height, making it difficult to ensure that the terminal and tin The coplanarity of the balls is prone to poor PCB welding and poor stability.

Method used

A terminal is designed with a body part, an elastic part and a welding part. By limiting the part, the insertion depth of the terminal body is controlled, the coplanarity of the welding part and the hot ball is ensured, and the stable contact between the elastic part and the CPU is adopted, and the insulating body is adopted. The position of the through-trough and limiting table fits the restriction part to ensure the correct alignment of the terminals with the hot balls.

Benefits of technology

Through the limiting function of the limiting part, the coplanarity between the terminal and the hot ball is ensured, the correct contact between the welding part and the hot ball is ensured, and the stability and consistency of the connection are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of electric connectors, and discloses a terminal, which is provided with a body part, an elastic part and a welding part. Wherein the elastic part is connected to the first end of the body part and forms an included angle with the body part; the welding part is connected to the second end of the body part and forms an included angle with the body part; the terminal is further provided with a limiting part which is connected to the first end of the body part, and the limiting part and the body part are arranged at an included angle. The electric connector comprises an insulating body, the insulating body comprises a penetrating groove for the terminal body to be inserted, and a limiting table is arranged on one side of the top of the penetrating groove for the limiting part of the terminal to abut against and limit, so that the coplanarity of the terminal and a solder ball can be ensured, the height uniformity of an elastic part can also be ensured, and poor contact is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to a terminal and an electric connector. Background Art

[0002] The terminal strip and connecting area of ​​the existing CPU Socket connector are in the same plane as the terminal body or the extension of the terminal body. When the terminal strip is folded or cut off, the depth of the terminal body pressed into the housing (insulating body) cannot be controlled, so the height of the terminal body is inconsistent. As a result, it is difficult to ensure the coplanarity of the terminal and the solder ball in the connection of the terminals of large-scale high-pin-count socket connectors, which easily causes poor soldering with the PCB and poor stability. Utility Model Content

[0003] The utility model aims to provide a terminal and an electrical connector, which can ensure that the height of the terminal body pressed into the insulating body is consistent, thereby ensuring the coplanarity of the terminal and the solder ball, avoiding poor welding with the PCB, and enhancing stability.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] The terminal comprises a main body, an elastic part and a welding part, wherein the elastic part is connected to a first end of the main body and is arranged at an angle with the main body;

[0006] The welding portion is connected to the second end of the main body portion and is arranged at an angle with the main body portion;

[0007] The terminal further comprises a limiting portion, which is connected to the first end of the main body and is arranged at an angle with the main body.

[0008] Preferably, the main body has a first surface and a second surface opposite to each other;

[0009] The elastic portion extends obliquely toward the first surface of the main body;

[0010] The welding portion extends toward the first surface of the main body;

[0011] The limiting portion extends toward the first surface or the second surface of the main body.

[0012] Preferably, two limiting portions are provided, and the elastic portion is provided between the two limiting portions.

[0013] Preferably, the angle between the limiting portion and the main body is 60°-90°.

[0014] Preferably, a height of a bending point between the limiting portion and the main body portion is lower than a height of a bending point between the elastic portion and the main body portion.

[0015] Preferably, a through groove is provided on the elastic portion.

[0016] Preferably, the welding portion and the main body portion are arranged at a right angle.

[0017] Preferably, a plane is provided at one end of the elastic portion away from the main body portion, and the plane is located on the upper end surface of the elastic portion. When the CPU is pressed onto the upper end surface of the elastic portion, the plane contacts the CPU.

[0018] Preferably, when the plane is not pressed by the CPU, the angle between the plane and the horizontal plane is 20°-25°.

[0019] An electrical connector is also provided, comprising an insulating body, the insulating body being provided with a through slot, and a limiting platform being provided on one side of the top of the through slot;

[0020] The electrical connector also includes the terminal as described above, the main body is inserted into the through groove, the welding portion extends out of the outlet of the through groove away from the limit platform so as to be connected to an external solder ball; the elastic portion and the limiting portion extend out of the outlet of the through groove close to the limit platform so as to enable the limiting portion to abut against the limit platform.

[0021] Beneficial effects of the utility model:

[0022] Through the above structure, when the terminal is inserted into the insulating body, the limiting part can limit the depth of the main body inserted into the insulating body, so that when the welding parts on different terminals contact the solder balls, the coplanarity of the terminals and the solder balls can be guaranteed, and the height of the elastic part can be guaranteed to be uniform, thereby ensuring its stable contact with the CPU and avoiding poor contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the terminal of the utility model;

[0024] Figure 2 It is a side view of the terminal of the utility model;

[0025] Figure 3 It is a schematic diagram of the electrical connector of the utility model;

[0026] Figure 4 This is a state diagram of the CPU of the utility model when it abuts against the terminal;

[0027] Figure 5 This is a state diagram of the CPU of the utility model when the terminal is pressed.

[0028] In the figure:

[0029] 1. Terminal; 11. Main body; 12. Elastic part; 13. Welding part; 14. Restriction part; 15. Plane; 16. Through groove;

[0030] 2. CPU;

[0031] 3. Insulating body; 31. Through slot; 32. Limiting platform. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of this embodiment, the terms "upper", "lower", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplified operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0036] like Figures 1 to 5As shown, this embodiment provides a terminal, which has a body portion 11, an elastic portion 12 and a welding portion 13. The elastic portion 12 is connected to the first end of the body portion 11 and is arranged at an angle with the body portion 11; the welding portion 13 is connected to the second end of the body portion 11 and is arranged at an angle with the body portion 11; the terminal also has a limiting portion 14, which is connected to the first end of the body portion 11 and is arranged at an angle with the body portion 11.

[0037] Through the above structure, when the terminal 1 is inserted into the insulating body 3, the limiting part 14 can limit the depth of the main body 11 inserted into the insulating body 3, so that when the welding part 13 on different terminals 1 contacts the solder ball, the coplanarity of the terminal 1 and the solder ball can be ensured, and the height of the elastic part 12 can be ensured to be uniform, thereby ensuring its stable contact with the CPU 2 and avoiding poor contact.

[0038] Specifically, in this embodiment, the main body 11 has a first surface and a second surface relative to each other, the elastic portion 12 is connected to the first end of the main body 11, and extends obliquely toward the direction of the first surface of the main body 11; the welding portion 13 is connected to the second end of the main body 11, and extends toward the direction of the first surface of the main body 11; the limiting portion 14 is located at the first end of the main body 11, and the limiting portion 14 extends toward the direction of the first surface or the direction of the second surface of the main body 11.

[0039] In this embodiment, the first surface and the second surface refer to two opposite surfaces in the thickness direction of the main body 11 .

[0040] In this embodiment, in order to ensure strength, the elastic part 12, the welding part 13 and the limiting part 14 are all integrally formed with the main body 11, and are formed by cutting and bending the material strip that forms the main body 11, which is convenient for molding and manufacturing. Among them, the welding part 13 is arranged at a right angle to the main body 11 to facilitate contact and connection with the external solder ball. In addition, the middle part of the elastic part 12 has a through groove 16, which can release stress when the elastic part 12 is bent to avoid bending damage or even breakage.

[0041] Furthermore, if Figure 2 As shown, the height of the bending point between the limiting portion 14 and the main body 11 is lower than the height of the bending point between the elastic portion 12 and the main body 11, so that when plugging in, the bending point between the limiting portion 14 and the main body 11 can first contact the insulating body 3 to ensure the stability of the limit; and the height of the elastic portion 12 is higher than the height of the limiting portion 14, which can also prevent the elastic portion 12 from interfering with the limiting portion 14 when being pressed together.

[0042] like Figure 1As shown, in this embodiment, the limiting portion 14 extends in the direction of the second surface of the main body 11, so as to avoid interference with the elastic portion 12. The direction of the limiting portion 14 toward the main body 11 is opposite to the direction of the welding portion 13 toward the main body 11, so that after the terminal 1 is plugged into the insulating body 3, when the CPU 2 is pressed on the elastic portion 12, the stability of the terminal 1 is stronger. Further, two limiting portions 14 are provided, and the two limiting portions 14 are respectively located on both sides of the elastic portion 12, clamping the elastic portion 12 in the middle, so that when plugging in, the distances of the two edge sides of the main body 11 inserted into the insulating body 3 are consistent, avoiding plug-in deviation and making the limit more accurate. Exemplarily, the angle between the limiting portion 14 and the main body 11 is 60°-90°, preferably 90°, so that the limit is more stable.

[0043] In this embodiment, Figure 1 and 2 As shown, one end of the elastic part 12 away from the main body 11 is bent to form a bending area to receive the pressing of the CPU 2, and a plane 15 is provided on the side of the bending area away from the bending direction, and the plane 15 is located on the upper end surface of the elastic part 12, and the plane 15 of the elastic part 12 is cut; so that when the CPU 2 is pressed on the bending area of ​​the elastic part 12, the elastic part 12 contacts the CPU 2 through the plane 15, thereby increasing the contact area between the elastic part 12 and the CPU 2 and enhancing stability. Specifically, when the plane 15 is not pressed, the angle between the plane 15 and the horizontal plane is 20°-25°; preferably, 23° is used.

[0044] like Figures 3 to 5 As shown, this embodiment also provides an electrical connector, which includes an insulating body 3, the insulating body 3 includes a through groove 31 for the main body 11 of the terminal 1 to be inserted, and a limiting platform 32 is arranged on the top side of the through groove 31 for the limiting portion 14 of the terminal 1 to abut and limit; the electrical connector also includes the above-mentioned terminal 1, the main body 11 of the terminal 1 is inserted in the through groove 31, and the welding portion 13 extends out of the outlet of the through groove 31 on the side away from the limiting platform 32 so as to be able to connect with an external solder ball; the elastic portion 12 and the limiting portion 14 extend out of the outlet of the through groove 31 on the side close to the limiting platform 32, so that the limiting portion 14 can abut on the limiting platform 32, thereby ensuring that the height of the terminal 1 pressed into the insulating body 3 is consistent.

[0045] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A terminal comprising a main body (11), an elastic portion (12) and a welding portion (13), characterized in that: The elastic portion (12) is connected to the first end of the main body portion (11) and is arranged at an angle with the main body portion (11); The welding portion (13) is connected to the second end of the main body portion (11) and is arranged at an angle with the main body portion (11); The terminal also has a limiting portion (14), which is connected to the first end of the main body portion (11) and is arranged at an angle with the main body portion (11).

2. The terminal according to claim 1, characterized in that: The main body (11) has a first surface and a second surface opposite to each other; The elastic portion (12) extends obliquely toward the first surface of the main body portion (11); The welding portion (13) extends in the direction of the first surface of the main body portion (11); The limiting portion (14) extends in the direction of the first surface or the direction of the second surface of the main body (11).

3. The terminal according to claim 1, characterized in that: Two limiting portions (14) are provided, and the elastic portion (12) is provided between the two limiting portions (14).

4. The terminal according to claim 1, characterized in that: The included angle between the limiting portion (14) and the main body (11) is 60°-90°.

5. The terminal according to claim 1, characterized in that: The height of the bending point between the limiting portion (14) and the main body portion (11) is lower than the height of the bending point between the elastic portion (12) and the main body portion (11).

6. The terminal according to claim 1, characterized in that: The elastic portion (12) is provided with a through groove (16).

7. The terminal according to claim 1, characterized in that: The welding portion (13) and the main body portion (11) are arranged at a right angle.

8. The terminal according to any one of claims 1 to 7, characterized in that: A plane (15) is provided at one end of the elastic part (12) away from the main body part (11), and the plane (15) is located on the upper end surface of the elastic part (12). When the CPU (2) is pressed onto the upper end surface of the elastic part (12), the plane (15) contacts the CPU (2).

9. The terminal according to claim 8, characterized in that: When the plane (15) is not pressed by the CPU (2), the angle between the plane (15) and the horizontal plane is 20°-25°.

10. An electrical connector, comprising an insulating body (3), wherein the insulating body (3) is provided with a through slot (31), characterized in that: A limiting platform (32) is provided on one side of the top of the through groove (31); The electrical connector also includes a terminal as described in any one of claims 1 to 9, the main body (11) is inserted into the through groove (31), and the welding portion (13) extends out of the outlet of the through groove (31) on the side away from the limit platform (32) so as to be connected to an external solder ball; the elastic portion (12) and the limiting portion (14) extend out of the outlet of the through groove (31) on the side close to the limit platform (32) so as to enable the limiting portion (14) to abut against the limit platform (32).