Electronic card connector

Abstract

An electronic card connector is used for inserting an electronic card and comprises an insulating body, a conductive terminal, a metal shell and a card withdrawing mechanism, and the conductive terminal comprises a fixing part fixed on the insulating body, an elastic arm part formed by extending from the fixing part and a pin part formed by extending from the fixing part. The metal shell comprises a top wall, a first side wall and a second side wall, the first side wall and the second side wall are formed by bending and extending downwards from two transverse sides of the top wall, the card withdrawing mechanism comprises a push rod and an abutting piece which is linked with the push rod to abut against the electronic card, and the electronic card connector further comprises a shell expansion piece which is fixed on the top wall and is used for limiting the push rod. The shell expansion piece of the limiting push rod is separated from the metal shell, so that the transverse size of the electronic card connector can be effectively reduced.

Description

[Technical field]

[0001] The utility model relates to an electronic card connector, in particular to an electronic card connector with a narrow width. [Background technology]

[0002] Chinese utility model patent No. CN216085516U discloses an electronic card connector, including a metal shell, an insulating body, a conductive terminal and a card ejection mechanism, wherein the metal shell includes a top wall and a pair of side walls, the top wall and the bottom wall form an insertion cavity for inserting an electronic card, the insulating body is formed on the top wall of the metal shell, and the conductive terminal is fixed to the insulating body. The top wall of the metal shell is bent downward to form a spring for locking the electronic card, and a receiving groove for receiving the card ejection mechanism is formed between the spring and the side wall. However, the spring is integrally bent to form a position on the top wall of the metal shell, which requires the top wall to reserve a position for elastic molding, resulting in a larger width of the metal shell, which does not conform to the development trend of miniaturization of electronic card connectors.

[0003] Therefore, it is necessary to provide an improved electronic card connector to solve the above problems. [Utility Model Content]

[0004] The main purpose of the utility model is to provide an electronic card connector with reduced overall width.

[0005] In order to solve the above technical problems, the utility model can adopt the following technical solutions: an electronic card connector for electronic card insertion, the electronic card connector includes an insulating body, a conductive terminal, a metal shell and a card ejection mechanism, the conductive terminal includes a fixed part fixed to the insulating body, an elastic arm part extending from the fixed part and a pin part extending from the fixed part, the metal shell includes a top wall and a first side wall and a second side wall formed by bending downward from the lateral sides of the top wall, the card ejection mechanism includes a push rod and a repelling member linked with the push rod to repel the electronic card, and the electronic card connector further includes a shell extension fixed to the top wall for limiting the push rod.

[0006] Furthermore, a slot for accommodating the electronic card is formed between the first side wall and the second side wall, the fixing portion is buried in the insulating body, the elastic arm portion protrudes downward into the slot, the shell extension component includes a base plate fixed on a side surface of the top wall in the up and down directions, and a side plate bent downward from the base plate and located on the laterally outer side of the second side wall, and the push rod is located between the second side wall and the side plate in the laterally direction.

[0007] Furthermore, the insulating body is injection molded on the top wall and the substrate.

[0008] Furthermore, the lower end of the side plate is bent inward and extended transversely to form an extension piece, and the extension piece is bent upward and extended to form a limiting piece transversely opposite to the side plate, and the push rod is limited between the limiting piece and the side plate.

[0009] Furthermore, the second side wall is provided with a locking protrusion protruding toward the side where the slot is located.

[0010] Furthermore, the substrate includes a first substrate welded and fixed to the lower surface of the top wall and a second substrate integrally bent and extended from the first substrate and coplanar with the top wall, and the side plate is formed by bending and extending downward from the second substrate.

[0011] Furthermore, the second side wall is provided with a clearance groove for allowing the second substrate to pass outward.

[0012] Furthermore, the front end of the side plate is located within the area of ​​the clearance groove in the front-rear direction.

[0013] Furthermore, the first side wall is provided with a second locking protrusion protruding toward the side where the slot is located.

[0014] Furthermore, the elastic arm portion of the conductive terminal is a triangular structure extending in the transverse direction, and the conductive terminals are arranged in two rows in the transverse direction, and the extending directions of the elastic arm portions of the conductive terminals in the two rows are opposite to each other.

[0015] Compared with the prior art, the electronic card connector of the utility model is provided with a shell extension piece which is independent of the metal shell and is used to limit the push rod. The shell extension piece is fixed to the top wall of the metal shell. Compared with the method of bending the metal shell integrally to form a corresponding structure to limit the push rod, the lateral size of the electronic card connector can be effectively reduced.

Brief Description of the Drawings

[0016] Figure 1 It is a three-dimensional diagram of the electronic card connector of the present utility model.

[0017] Figure 2 yes Figure 1 Another perspective of the stereogram.

[0018] Figure 3 It is a top view of the electronic card connector of the utility model.

[0019] Figure 4 It is a three-dimensional exploded view of the electronic card connector of the utility model.

[0020] Figure 5 It is a three-dimensional diagram of the fixing of the metal shell of the electronic card connector and the shell extension piece of the utility model.

[0021] Figure 6 yes Figure 5Another perspective of the stereogram. [Specific implementation method]

[0022] See also Figure 1-6 As shown, the electronic card connector 100 of the utility model is welded on a circuit board (not shown) for plugging an electronic card (not shown). The electronic card connector 100 includes a plurality of conductive terminals 1, an insulating body 2 holding the conductive terminals 1, a metal shell 3, a card ejection mechanism 4 for ejecting the electronic card, a shell extension 5 fixed to the metal shell 3, and a detection terminal 6 held to the insulating body 2.

[0023] The insulating body 2 is injection molded on the conductive terminal 1, and the conductive terminal 1 includes a fixing portion 11 embedded and fixed in the insulating body 2, an elastic arm portion 12 extending from the fixing portion 11, and a pin portion 13 extending from the fixing portion 11 to the insulating body 2. The insulating body 2 includes a top wall 21 and a rear wall 22 extending downward from the rear end of the top wall 21. The metal shell 3 includes a top wall 31, a first side wall 321 and a second side wall 322 extending downward from the lateral sides of the top wall 31, and a rear wall 33 extending downward from the rear end of the top wall 31. The insulating body 2 is injection molded on the metal shell 3, specifically, the top wall 21 is injection molded on the top wall 31, and the rear wall 22 is injection molded on the rear wall 33. In the present invention, the conductive terminals 1 are arranged in two rows in the transverse direction. The elastic arm portions 12 of the conductive terminals 1 are triangular structures extending in the transverse direction. The extension directions of the elastic arm portions 12 of the two rows of conductive terminals 1 are opposite to each other. The triangular elastic arm portions 12 can effectively prevent the conductive terminals 1 from collapsing when the electronic card is inserted and removed.

[0024] The card ejection mechanism 4 is disposed on one lateral side of the metal shell 3, and includes a push rod 41, a push member 42 that is linked with the push rod 41 to push back the electronic card, and a latch 43 that pivotally fixes the push member 42. The rear wall 22 is provided with a positioning hole 221 that penetrates from top to bottom on the side near the push rod 41, and the top wall 31 of the metal shell 3 is provided with a through hole 310 that communicates with the positioning hole 221. The latch 43 is penetrated through the positioning hole 221 and the through hole 310 and is riveted to the top wall 31.

[0025] A slot 30 for accommodating an electronic card is formed between the first side wall 321 and the second side wall 322. The elastic arm portion 12 protrudes downward into the slot 30 for electrically connecting the electronic card. The second side wall 322 is provided with a locking protrusion 3221 protruding toward the side where the slot 30 is located, and the locking protrusion 521 is used to lock the electronic card. In the present invention, the first side wall 321 is further provided with a second locking protrusion 3211 protruding toward the side where the slot 30 is located, and the second locking protrusion 3211 is used to cooperate with the locking protrusion 3221 to lock the electronic card.

[0026] The housing extension 5 is fixed to the top wall 31 of the metal housing 3 to limit the push rod 41. The housing extension 5 includes a base plate 51 welded and fixed to a side surface of the top wall 31 of the metal housing 3 in the up-down direction and a side plate 52 bent downward and extended from the base plate 51 and located on the lateral outer side of the second side wall 322. The push rod 41 is located between the second side wall 322 and the side plate 52 in the lateral direction. The top wall 21 of the insulating body 2 is injection molded on the top wall 31 and the base plate 51. The housing extension 5 independently welded to the top wall 31 of the metal housing 3 can effectively reduce the lateral size of the electronic card connector 100, which is in line with the development trend of miniaturization of the electronic card connector 100. In the present invention, the base plate 51 is welded and fixed to the lower surface 311 of the top wall 31. Specifically, the base plate 51 includes a first base plate 511 welded and fixed to the lower surface 311 of the top wall 31 and a second base plate 512 formed by bending and extending from the first base plate 511 and coplanar with the top wall 31. The side plate 52 is formed by bending and extending downward from the second base plate 512. Correspondingly, the second side wall 322 is provided with a clearance groove 3222 for the second base plate 512 to pass out laterally. The front end of the side plate 52 is located in the area of ​​the clearance groove 3222 in the front-to-back direction, that is, the side plate 52 does not extend forward beyond the clearance groove 3222, so that the length of the push rod 41 located between the second side wall 322 and the side plate 52 can be reduced.

[0027] The lower end of the side plate 52 is bent and extended inwardly to form an extension piece 521, and the extension piece 521 is bent and extended upward to form a limit piece 522 that is laterally opposite to the side plate 52, and the push rod 41 is located between the limit piece 522 and the side plate 52. The top wall 21 is injection molded on the top wall 31 and the first substrate 511. In order to reliably combine the top wall 21 with the top wall 31 and the first substrate 511, the top wall 31 and the first substrate 511 are provided with mutually connected through holes (not shown) for the material to flow into when the top wall 21 is molded.

[0028] The detection terminal 6 includes a static terminal 61 and a dynamic terminal 62 that is in contact with the static terminal 61 under normal conditions. The static terminal 61 is injection molded with the rear wall 22. The static terminal 61 includes a retaining portion 611 embedded in the rear wall 22, a contact piece 612 extending from the retaining portion, and a welding foot 613 extending from the retaining portion 611.

[0029] A holding portion 621 installed in the holding groove 222 provided on the rear wall 22, an elastic arm 622 extending from the holding portion 621 and protruding forward into the slot 30, and a contact portion 623 provided at the end of the elastic arm 622. The contact portion 623 normally contacts the contact sheet 612. When the electronic card is inserted into the slot 30 and pressed against the elastic arm 622, the elastic arm 622 moves backward to separate the contact portion 623 from the contact sheet 612, thereby realizing detection of whether the electronic card is inserted or not.

[0030] The above are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. That is, any simple equivalent changes and modifications made according to the claims of the present invention and the contents of the present invention specification should still fall within the scope of the present invention patent.

Claims

1. An electronic card connector for inserting an electronic card, the electronic card connector comprising an insulating body, a conductive terminal, a metal shell and a card ejection mechanism, the conductive terminal comprising a fixed portion fixed to the insulating body, an elastic arm portion extending from the fixed portion and a pin portion extending from the fixed portion, the metal shell comprising a top wall and a first side wall and a second side wall extending downwardly from both lateral sides of the top wall, the card ejection mechanism comprising a push rod and a push-off member that is linked to the push rod to eject the electronic card, characterized in that: The electronic card connector further includes a housing extension piece fixed to the top wall and used for limiting the push rod.

2. The electronic card connector according to claim 1, wherein: A slot for accommodating the electronic card is formed between the first side wall and the second side wall, the fixing portion is buried in the insulating body, the elastic arm portion protrudes downward into the slot, the shell extension component includes a base plate fixed on a side surface of the top wall in the up and down directions, and a side plate bent downward from the base plate to form a side plate located on the laterally outer side of the second side wall, and the push rod is located between the second side wall and the side plate in the laterally direction.

3. The electronic card connector according to claim 2, wherein: The insulating body is injection-molded on the top wall and the substrate.

4. The electronic card connector according to claim 2, wherein: The lower end of the side plate is bent inwardly and extended laterally to form an extension piece, and the extension piece is bent upwardly and extended to form a limiting piece laterally opposite to the side plate, and the push rod is limited between the limiting piece and the side plate.

5. The electronic card connector according to claim 2, wherein: The second side wall is provided with a locking protrusion protruding toward the side where the slot is located.

6. The electronic card connector according to claim 5, characterized in that: The substrate comprises a first substrate welded and fixed to the lower surface of the top wall and a second substrate integrally bent and extended from the first substrate and coplanar with the top wall. The side plate is formed by bending and extending downward from the second substrate.

7. The electronic card connector according to claim 6, wherein: The second side wall is provided with a clearance groove for the second substrate to pass outward.

8. The electronic card connector according to claim 7, wherein: The front end of the side plate is located in the area of ​​the clearance groove in the front-rear direction.

9. The electronic card connector according to claim 5, wherein: The first side wall is provided with a second locking protrusion protruding toward the side where the slot is located.

10. The electronic card connector according to claim 1, wherein: The elastic arm portion of the conductive terminal is a triangular structure extending in the transverse direction. The conductive terminals are arranged in two rows in the transverse direction, and the extending directions of the elastic arm portions of the conductive terminals in the two rows are opposite to each other.

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