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 the 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 card locking piece which is fixedly held on the top wall and is used for locking the electronic card. The card locking piece and the metal shell are separately arranged, 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. [Contents of the utility model]

[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 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 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 that cooperates with the push rod to repel the electronic card, and the electronic card connector further includes a card lock member fixed to the top wall for locking the electronic card.

[0006] Furthermore, the locking card component includes a base plate fixed on the lower surface of the top wall and a side plate bent downward from the base plate, a slot for accommodating the electronic card is formed between the side plate and the first side wall, the fixing portion is buried in the insulating body, the elastic arm portion protrudes downward into the slot, and the side plate is provided with a locking protrusion protruding toward the side where the slot is located.

[0007] Further, the push rod is located between the side plate and the second side wall in the transverse direction.

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

[0009] Furthermore, the top wall is bent downward to form a baffle located between the side plate and the second side wall in the transverse direction, the push rod is limited between the baffle and the second side wall, and the front end of the baffle extends inwardly and obliquely to form a guide portion for guiding the push rod to be installed.

[0010] Furthermore, the first side wall is provided with a second locking protrusion protruding toward the side where the slot is located.

[0011] Furthermore, the insulating body is injection molded on the top wall and the substrate.

[0012] Furthermore, the top wall is provided with a first through hole corresponding to the substrate, the substrate is provided with a second through hole corresponding to the first through hole, and the first through hole and the second through hole are filled during injection molding of the insulating body.

[0013] 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.

[0014] Furthermore, the insulating body is injection molded on the metal shell, the metal shell includes a rear wall extending downward from the rear end of the top wall, the lower ends of the first side wall, the second side wall and the rear wall are bent inward to form pins, the insulating body includes a top wall injection molded on the top wall and a rear wall injection molded on the rear wall extending downward from the rear end of the top wall, and the card ejection mechanism includes a pin for pivotally fixing the ejection member to the rear wall.

[0015] Compared with the prior art, the electronic card connector of the utility model is provided with a locking component which is independent of the metal shell, and fixes the locking component to the metal shell. Compared with the locking portion formed by integrally bending the metal shell, it can not only effectively reduce the lateral size of the electronic card connector, but also avoid the weakening of the strength of the metal shell by the integrally bent locking portion. In addition, the separately provided locking component can be made of a material with higher strength than the metal shell.

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 metal shell of the electronic card connector of the utility model.

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

[0022] Figure 7 It is a three-dimensional diagram of the lock card being fixed to the metal housing. [Specific implementation method]

[0023] See also Figure 1-7 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 for holding the conductive terminals 1, a metal shell 3, a card ejection mechanism 4 for ejecting the electronic card, a locking member 5 for locking the electronic card held on the metal shell 3, and a detection terminal 6 held on the insulating body 2.

[0024] 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.

[0025] 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.

[0026] The locking card component 5 includes a base plate 51 welded and fixed to the lower surface 311 of the top wall 31 of the metal shell 3 and a side plate 52 bent downward and extended from a lateral side of the base plate 51. A slot 30 for accommodating an electronic card is formed between the side plate 52 and the first side wall 321. The locking card component 5 independently welded to the top wall 31 of the metal shell 3 can effectively reduce the lateral size of the metal shell 3, which is in line with the development trend of miniaturization of the electronic card connector 100. The elastic arm portion 12 protrudes downward into the slot 30 for electrically connecting the electronic card. The side plate 52 is provided with a locking protrusion 521 protruding toward the side where the slot 30 is located, and the locking protrusion 521 is used to lock the electronic card. In the utility model, 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 521 to lock the electronic card. The top wall 21 of the insulating body 2 is injection molded on the top wall 31 and the substrate 51. The top wall 31 is provided with a first through hole 312 at a position corresponding to the substrate 51. The substrate 51 is provided with a second through hole 511 corresponding to the first through hole 312 and communicating with the first through hole 312. The first through hole 312 and the second through hole 511 can reliably combine the top wall 21 with the top wall 31 and the side plate 52. In the utility model, the side plate 52 and the substrate 51 are provided with a slot 50 at the connection, and the locking protrusion 521 is correspondingly arranged at the slot 50 in the up and down direction, so that the locking protrusion 521 has stable and reliable elasticity.

[0027] The push rod 41 of the card ejection mechanism 4 is located between the side plate 52 and the second side wall 322 in the transverse direction. Specifically, the lower end of the second side wall 322 is bent inwardly and extended to form a horizontal extension piece 3221, and the extension piece 3221 is bent upwardly and extended to form a limit piece 3222 opposite to the second side wall 322. The upper limit of the push rod 41 in the transverse direction is located between the limit piece 3222 and the second side wall 322, and the upper limit of the push rod 41 in the up-down direction is located between the top wall 31 and the extension piece 3221. In addition, the top wall 31 is bent downwardly and extended to form a baffle 313 located between the side plate 52 and the second side wall 322 in the transverse direction, and the upper limit of the push rod 41 in the transverse direction is located between the baffle 313 and the second side wall 322. The front end of the baffle 313 is inclined inwardly and extended to form a guide portion 3131, and the guide portion 3131 is used to guide the push rod 41 to be installed in the metal shell 3 forward and backward.

[0028] The detection terminal 6 includes a static terminal 61 and a dynamic terminal 62 that maintains 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 buried 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. The dynamic terminal 62 includes a clamping portion 621 installed in a retaining groove 222 provided on the rear wall 22, an elastic arm 622 extending from the clamping portion 621 and protruding forward into the slot 30, an abutting portion 623 arranged at the end of the elastic arm 622, and a welding foot 624 extending from the clamping portion 621. The abutting portion 623 normally abuts against the contact piece 612. When the electronic card is inserted into the slot 30 and presses against the elastic arm 622, the elastic arm 622 moves backward to separate the abutting portion 623 from the contact piece 612, thereby detecting whether the electronic card is inserted or not.

[0029] 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 comprises a card lock member fixed on the top wall for locking the electronic card.

2. The electronic card connector according to claim 1, wherein: The locking card component includes a base plate fixed on the lower surface of the top wall and a side plate bent downward from the base plate, a slot for accommodating the electronic card is formed between the side plate and the first side wall, the fixing portion is buried in the insulating body, the elastic arm portion protrudes downward into the slot, and the side plate is provided with a locking protrusion protruding toward the side where the slot is located.

3. The electronic card connector according to claim 2, wherein: The push rod is located between the side plate and the second side wall in a transverse direction.

4. The electronic card connector according to claim 3, wherein: The lower end of the second side wall is bent inward and extended laterally to form an extension piece, and the extension piece is bent upward and extended to form a limiting piece laterally opposite to the second side wall, and the push rod is limited between the limiting piece and the second side wall.

5. The electronic card connector according to claim 3, wherein: The top wall is bent downward to form a baffle located between the side plate and the second side wall in the transverse direction, the push rod is limited between the baffle and the second side wall, and the front end of the baffle extends inwardly and obliquely to form a guide portion for guiding the push rod to be installed.

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

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

8. The electronic card connector according to claim 7, wherein: The top wall is provided with a first through hole at a position corresponding to the substrate, the substrate is provided with a second through hole corresponding to the first through hole, and the first through hole and the second through hole are filled in the insulating body during injection molding.

9. 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.

10. The electronic card connector according to claim 1, wherein: The insulating body is injection molded on the metal shell, and the metal shell includes a rear wall extending downward from the rear end of the top wall. The lower ends of the first side wall, the second side wall and the rear wall are bent inward to form pins. The insulating body includes a top wall injection molded on the top wall and a rear wall injection molded on the rear wall extending downward from the rear end of the top wall. The card ejection mechanism includes a pin that pivotally fixes the ejection member to the rear wall.

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