CN202997099U - Electric connector - Google Patents

Abstract

An electrical connector used to electrically connect a chip module with pins and a circuit board, the electrical connector includes a base, a cover plate assembled on the base, and a lever that rotates relative to the base and the cover plate and a conductive terminal disposed in the base, the conductive terminal includes a main body, a base extending upward from the main body, a welding portion bent and extended downward from the main body, and a bottom extending outward and downward from both sides of the main body The holding part, the conductive terminal is bent and extended from both sides of the base to form a first arm part and a second arm part, and the first arm part and the second arm part are respectively provided with a first contact part and a second arm part extending toward each other. Two contact parts, the base part is bent and extended upwards from the first arm part and the second arm part to form a third arm part, and the third arm part is provided with a contact point for contacting with the pin, the contact The point is located below the first contact portion and the second contact portion.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector connecting a chip module to a printed circuit board.

【Background technique】

An electrical connector for receiving a chip module generally includes a base, a cover assembled on the base, and a lever for driving the cover to slide on the base. The lever includes an operating rod and a driving rod. The operating rod and the driving rod are perpendicular to each other. The operating rod drives the driving rod to rotate in the form of a lever. The base is provided with conductive terminals, and the cover is provided with perforations for receiving the pins of the chip module. As the cover slides back and forth relative to the base, the pins of the chip module and the conductive terminals can be in two states of electrical connection and separation.

China Taiwan Patent No. TWM281323 discloses a receptacle connector terminal capable of contacting pins of an inserted mating component, which includes a body and first and second arms extending from opposite sides of the body. The first arm part includes a first contact part, the second contact part includes a second contact part, and the body includes a base part and a third contact part extending from one end of the base part. The third contact part bends and extends from the base part to the first and second contact parts, and there is an elastic displacement between it and the plane where the base part is located. The first, second and third contact parts can jointly clamp and contact the inserted socket. foot. The three-point contacts are located in the same plane as the plug pins, so the plug pins are easily skewed, resulting in unstable contact, and further affecting the function of the electrical connector.

In view of the above situation, it is indeed necessary to provide a new type of electrical connector to solve the defects in the prior art solutions.

【Content of utility model】

The purpose of the utility model is to provide an electrical connector capable of increasing contact stability.

The electrical connector of the utility model is realized through the following technical solutions: an electrical connector for electrically connecting a chip module provided with pins and a circuit board, the electrical connector includes a base and a cover plate assembled on the base , a lever that rotates relative to the base and the cover plate, and a conductive terminal disposed in the base, the conductive terminal includes a main body, a base extending upward from the main body, a welding portion bent downward from the main body, and The retaining portion extending downward from both sides of the main body, the conductive terminal is bent and extended from both sides of the base to form a first arm portion and a second arm portion, and the first arm portion and the second arm portion are respectively provided with a direction toward The first contact portion and the second contact portion extending from each other, the base portion is bent upwards from between the first arm portion and the second arm portion to provide a third arm portion, and the third arm portion is provided with a The contact point where the pin contacts is located below the first contact portion and the second contact portion.

The utility model further defines that: the third arm part includes a first twisted part bent and extended from the base toward one side and a second twisted part bent and extended from the base toward the other side, and the contact point is located at the second twisted part. department.

The utility model further defines: the third arm part has an S-shaped bending structure and is elastic.

The utility model further defines that: the first arm part includes a first extension part that is bent and extended from the base part to extend upwards from the plane where the base part is located, and a first contact arm that is bent and extended upwards from the first extension part; The arm part includes a second extension part bent and extended from the base part out of the plane of the base part and extended upwards, and a second contact arm bent upwards from the second extension part.

The utility model further defines that: the first arm part and the second arm part are arranged in a symmetrical structure, and the first contact arm and the second contact arm are bent towards each other.

The utility model further defines: the first contact portion and the second contact portion are respectively provided on the first contact arm and the second contact arm, and the first contact portion and the second contact portion extend toward the third arm to clamp Hold the pins of the chip module.

The utility model further defines that: the welding portion includes a bent portion bent downward from the main body, and a ball receiving surface bent upward from the bent portion and perpendicular to the plane where the main body is located.

The electrical connector of the utility model can also be realized through the following technical solutions: an electrical connector for electrically connecting a chip module with pins and a circuit board, the electrical connector includes a base, a The cover plate, the shifting lever that rotates relative to the base and the cover plate, and the conductive terminal arranged in the base, the conductive terminal includes a main body, a base extending upward from the main body, and a welding part bent and extended downward from the main body part and a holding part extending downward from both sides of the body part, the conductive terminal is bent and extended from both sides of the base part to form a first arm part and a second arm part, and the first arm part and the second arm part are respectively provided with There are a first contact portion and a second contact portion extending toward each other, the base portion is bent upwards from between the first arm portion and the second arm portion, and a third arm portion is provided on the third arm portion. As for the contact point that is in contact with the pin, the contact point is located in two different planes with the first contact portion and the second contact portion.

The utility model further defines that: the first arm part includes a first extension part that is bent and extended from the base part to extend upwards from the plane where the base part is located, and a first contact arm that is bent and extended upwards from the first extension part; The arm part includes a second extension part bent and extended from the base part out of the plane of the base part and extended upwards, and a second contact arm bent upwards from the second extension part.

The utility model further defines: the first arm part and the second arm part are arranged in a symmetrical structure, the first contact arm and the second contact arm are bent toward each other, and the first contact part and the second contact part are respectively It is arranged on the first contact arm and the second contact arm, and the first contact portion and the second contact portion extend toward the third arm portion to clamp pins of the chip module.

Compared with the prior art, the electrical connector of the present utility model has at least the following advantages: the base of the electrical connector is bent upwards from between the first arm and the second arm to provide a third arm, and the third arm The arm is provided with a contact point to be in contact with the pin, and the contact point is located below the first contact portion and the second contact portion, so that the contact point is located in a different plane from the first contact portion and the second contact portion , and can correct the tilting of the chip module, thereby increasing the stability of the contact.

【Description of drawings】

Fig. 1 is a three-dimensional assembled view of the electrical connector of the present invention.

Fig. 2 is a schematic diagram of pins inserted into conductive terminals of the chip module of the present invention.

Fig. 3 is a perspective view of a conductive terminal of the electrical connector of the present invention.

Fig. 4 is a side view of the conductive terminal of the electrical connector of the present invention.

Fig. 5 is a side view of the pins of the chip module of the present invention inserted into the conductive terminals of the electrical connector.

【Detailed ways】

1 to 5, an electrical connector 100 is used to electrically connect a chip module (not shown) with a pin 5 and a circuit board (not shown), the electrical connector 100 includes a base 1, a set The cover plate 2 arranged on the base 1 , the lever 3 rotating relative to the base 1 and the cover plate 2 , and the conductive terminals 4 arranged in the base 1 .

Please refer to FIG. 2 , the base 1 is provided with a plurality of terminal accommodating grooves 10 for accommodating the conductive terminals 4 , and the terminal accommodating grooves 10 have side walls 11 .

3 to 5, the conductive terminal 4 includes a body portion 40, a base portion 41 extending upward from the body portion 40, a welding portion 42 bent downward from the body portion 40, and extending from both sides of the body portion 40. The retaining portion 43 extends outward and downward. The conductive terminal 4 is bent and extended from both sides of the base 41 to form a first arm 44 and a second arm 45 , the first arm 44 includes a first extension bent from the base 41 out of the plane of the base 41 and extending upward. 440 and a first contact arm 441 bent and extended upward from the first extension portion 440 , the first contact arm 441 is provided with a first contact portion 4410 . The second arm portion 45 includes a second extension portion 450 that bends and extends from the base portion 41 out of the plane where the base portion 41 is located and extends upward, and a second contact arm 451 that extends upward from the second extension portion 450 . A second contact portion 4510 is provided. The first arm portion 44 and the second arm portion 45 are arranged symmetrically, the first contact arm 441 and the second contact arm 451 are bent toward each other, and the first contact portion 4410 and the second contact portion 4510 extend toward each other. The base 41 is bent upwards from the third arm 46 extending between the first arm 44 and the second arm 45. The third arm 46 is S-shaped and has elasticity. The third arm 46 is provided with a The contact point 462 where the pin 5 contacts, the contact point 462 is located below the first contact portion 4410 and the second contact portion 4510 . The third arm portion 46 includes a first twisted portion 460 extending from the base 41 toward one side and a second twisted portion 461 extending from the base 41 toward the other side. The contact point 462 is located on the second twisted portion 461 . The first contact portion 4410 and the second contact portion 4510 extend toward the third arm portion 46 to contact and resist the stitch 5 . The welding portion 42 includes a bent portion 420 bent downward from the main body 40 and a ball receiving surface 421 bent upward from the bent portion 420 and perpendicular to the plane of the main body 40 .

Please refer to FIG. 2 and FIG. 5 , after the assembly is completed, the chip module is assembled on the electrical connector 100 , and the pins 5 are inserted into the conductive terminals 4 . When the electrical connector 100 is closed, the pin 5 is in contact with the first contact portion 4410, the second contact portion 4510 and the third arm portion 46 of the conductive terminal 4 and the first contact portion 4410, the second contact portion 4510 and the third arm portion 46 co-clamps pin 5. When the pin 5 is in the process of opening and closing the electrical connector 100, the third arm 46 can prevent the pin 5 from continuing to move and prevent the pin 5 from pressing against the inner wall 11 of the terminal receiving groove 40. At this time, the gap between the pin 5 and the inner wall 11 There is a gap 12 between them to protect the pins 5, so as to ensure the stability of the electrical connection. The contact point 462 of the third arm portion 46 is in contact with the end of the pin 5 and the end of the pin 5 can provide a more effective plating, so that the contact resistance is the most stable to ensure electrical performance. The end of the pin 5 is in contact with the third arm portion 46, which can prevent the pin 5 from being deflected or crooked when the chip module is inserted, so as to provide stable contact. At the same time, to a certain extent, the third arm portion 46 can also align the chip The tilting of the module acts as a correction. When the pin 5 is inserted into the conductive terminal 4, the first contact part 4410 and the second contact part 4510 give a force to the pin 5 from one side of the pin 5 and the contact point 462 also gives a force to the pin 5 from the opposite side, that is The first contact part 4410 and the second contact part 4510 provide a support point for the pin 5, the contact point 462 provides a support point for the pin 5 and the first contact part 4410, the second contact part 4510 and the contact point 462 are located at different heights and different planes Inside. The first contact part 4410 and the second contact part 4510 serve as an action point, and the contact point 462 serves as an action point. The two action points act on the stitch 5 at the same time, so that the stitch 5 reaches a force balance, thereby preventing the stitch 5 from being deflected. Slant or askew off to ensure a stable contact on pin 5. The third arm portion 46 has an S-shaped bending structure and is elastic, so that when the pin 5 is plugged into the conductive terminal 4 , the pin 5 has a larger contact buffer space and the contact stability is increased.

It should be pointed out that the above description is only the best implementation mode of the utility model, not all implementation modes. Any equivalent changes adopted by those of ordinary skill in the art to the technical solution of the utility model by reading the specification of the utility model are all covered by the claims of the present invention.

Claims (10)

1. electric connector, be provided with chip module and the circuit board of stitch in order to electric connection, this electric connector comprises pedestal, group is located at the cover plate on pedestal, the driving lever that rotates with respect to pedestal and cover plate and be arranged on conducting terminal in pedestal, described conducting terminal comprises body, from the upwardly extending base portion of body, from body bend the weld part of extension downwards and from body both sides to the holding parts of downward-extension, described conducting terminal is provided with the first arm and the second arm from base portion two lateral bucklings extensions, described the first arm and the second arm are respectively equipped with the first contact site and the second contact site that extends toward each other, it is characterized in that: described base portion upwards bends to extend between the first arm and the second arm and is provided with the 3rd arm, described the 3rd arm is provided with the contact point that contacts with stitch, described contact point is positioned at the below of the first contact site and the second contact site.

2. electric connector as claimed in claim 1 is characterized in that: described the 3rd arm comprises first twist part of extending towards a lateral buckling from base portion and second twist part of extending towards the opposite side bending from base portion, and described contact point is positioned on the second twist part.

3. electric connector as claimed in claim 2 is characterized in that: described the 3rd S-type bending structure of arm and have elasticity.

4. electric connector as claimed in claim 1, it is characterized in that: described the first arm comprises from base portion bending and extends plane, base portion place and upwardly extending the first extension and from the first extension the first contact arm of extending of bending upwards, and described the second arm comprises from the base portion bending and extends plane, base portion place and upwardly extending the second extension and from the second extension the second contact arm of extending of bending upwards.

5. electric connector as claimed in claim 4, it is characterized in that: described the first arm and the second arm are the symmetrical structure setting, and described the first contact arm and the second contact arm bend toward each other.

6. electric connector as claimed in claim 5, it is characterized in that: described the first contact site and the second contact site are located at respectively on the first contact arm and the second contact arm, and described the first contact site and the second contact site are towards the stitch of the 3rd arm extension with the clamping chip module.

7. electric connector as claimed in claim 1 is characterized in that: described weld part comprise from body bend downwards extension kink and from kink upwards bending extend and perpendicular to the face of receiving on plane, body place.

8. electric connector, be provided with chip module and the circuit board of stitch in order to electric connection, this electric connector comprises pedestal, group is located at the cover plate on pedestal, the driving lever that rotates with respect to pedestal and cover plate and be arranged on conducting terminal in pedestal, described conducting terminal comprises body, from the upwardly extending base portion of body, from body bend the weld part of extension downwards and from body both sides to the holding parts of downward-extension, described conducting terminal is provided with the first arm and the second arm from base portion two lateral bucklings extensions, described the first arm and the second arm are respectively equipped with the first contact site and the second contact site that extends toward each other, it is characterized in that: described base portion upwards bends to extend between the first arm and the second arm and is provided with the 3rd arm, described the 3rd arm is provided with the contact point that contacts with stitch, described contact point and the first contact site, the second contact site is in two different planes.

9. electric connector as claimed in claim 8, it is characterized in that: described the first arm comprises from base portion bending and extends plane, base portion place and upwardly extending the first extension and from the first extension the first contact arm of extending of bending upwards, and described the second arm comprises from the base portion bending and extends plane, base portion place and upwardly extending the second extension and from the second extension the second contact arm of extending of bending upwards.

10. electric connector as claimed in claim 9, it is characterized in that: described the first arm and the second arm are the symmetrical structure setting, described the first contact arm and the second contact arm bend toward each other, described the first contact site and the second contact site are located at respectively on the first contact arm and the second contact arm, and described the first contact site and the second contact site are towards the stitch of the 3rd arm extension with the clamping chip module.

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