CN215119297U

CN215119297U - Electronic card connector

Info

Publication number: CN215119297U
Application number: CN202121490364.4U
Authority: CN
Inventors: 温宪文; 成波; 陈高
Original assignee: Kunshan Huile Precision Industry Co ltd
Current assignee: Kunshan Huile Precision Industry Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-10
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses an electronic card connector, it includes: an insulating body; a conductive terminal; the card inserting device comprises an insulating body, a metal shell and a card inserting mechanism, wherein a card inserting space is arranged between the metal shell and the insulating body, and the metal shell comprises a top wall and a first side wall bent and extended downwards from one end of the top wall; the card holds in the palm, the lateral margin of the said card holds in the palm has guide grooves; the card withdrawing mechanism comprises a card withdrawing piece and a push rod linked with the card withdrawing piece, and the push rod is arranged on the first side wall in a sliding mode; the first side wall is provided with an anti-reverse insertion sheet positioned in the card inserting space in a punching mode; when the card support is inserted in the forward direction, the guide groove accommodates the anti-reverse insertion sheet, and the card support can be normally inserted into the card insertion space; when the card holds in the palm reverse insertion, prevent that anti-inserted sheet blocks the card holds in the palm and inserts the plug-in card space, it is little to prevent that anti-inserted sheet occupation space is saved metal casing's space for the spacing of push rod both sides is more sufficient.

Description

Electronic card connector

Technical Field

The present invention relates to an electrical card connector, and more particularly to an electrical card connector with a card ejecting mechanism.

Background

The electronic card connector is used for an electronic card to be inserted and used as a medium for electrically connecting the electronic card and the circuit board. In order to prevent the electronic card from being incorrectly inserted by the user and thus the electronic card cannot form a correct electrical connection with the electronic card connector, the conventional electronic card connector is designed to have an anti-reverse insertion structure according to the shape of the card holder.

The existing anti-reverse-insertion structure is characterized in that the left side wall and the right side wall of a metal shell are provided with bends, the bends are matched with edge grooves on a card support, the bent occupation space is reduced, the limit of a push rod of a card withdrawing mechanism arranged on the side walls can be reduced, the shaking space of the push rod in a flow channel can be increased, the bending process has certain instability, and the control difficulty is higher.

Therefore, there is a need for a new electronic card connector to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an prevent reverse plug structure and occupy little electronic card connector in metal casing space.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electronic card connector, comprising: an insulating body; the conductive terminal is arranged on the insulating body; the card insertion structure comprises a metal shell, a card insertion space is arranged between the metal shell and the insulating body, the metal shell comprises a top wall and a first side wall bent and extended downwards from one end of the top wall, one end of the conductive terminal extends into the card insertion space, and the other end of the conductive terminal extends out of the insulating body; the card support is inserted into the card inserting space, and a guide groove is formed in the side edge of the card support; the card withdrawing mechanism comprises a card withdrawing piece and a push rod linked with the card withdrawing piece, the card withdrawing piece is rotatably arranged on the top wall, and the push rod is arranged on the first side wall in a sliding mode; the first side wall is provided with an anti-reverse insertion sheet in the card inserting space in an impact manner, and the anti-reverse insertion sheet is close to the front end of the card inserting space; when the card support is inserted in the forward direction, the guide groove accommodates the anti-reverse insertion sheet, and the card support can be normally inserted into the card insertion space; when the card support is reversely inserted, the anti-reverse insertion sheet blocks the card support to be inserted into the card inserting space.

In a further improvement, the first side wall has a stamped hole left by the formation of the anti-reverse-insertion piece.

In a further improvement, the anti-reverse insertion piece is vertically separated from the top wall.

In a further improvement, the anti-reverse inserting piece is a vertical piece body.

In a further improvement, the anti-reverse insertion piece comprises a front end bending piece, a rear end bending piece located behind the front end bending piece and a middle piece connected with the front end bending piece and the rear end bending piece, and the front end bending piece and the rear end bending piece are respectively connected with the first side wall.

In a further improvement, the middle plate is in a vertical flat plate shape and is parallel to the first side wall.

In a further improvement, the front end of the metal shell includes an upper end piece, a lower end piece, an outer end piece and a flow passage formed by the first side wall, the lower end piece and the outer end piece, the upper end piece is opposite to the lower end piece from top to bottom, the outer end piece is located outside the first side wall, the upper end piece bends and extends to the outer end piece from the lower edge of the first side wall to the outer side, the upper end piece bends and extends from the upper edge of the outer end piece to the inner side, the push rod includes a main body part slidably arranged in the flow passage and a pressing part bending and extending from the front end of the main body part to the outer side, and the main body part and the withdrawing piece are overlapped together.

In a further improvement, the upper end piece is provided with an opening, and the card withdrawing piece extends into the opening and is in lap joint with the push rod.

In a further refinement, the metal shell further includes a securing tab secured to the top wall, the securing tab extending further inboard from the upper end tab.

The metal shell comprises a second side wall bent and extended downwards from the top wall, the first side wall and the second side wall are opposite left and right, the front end of the second side wall is provided with a bending structure located in the card inserting space, the bending structure and the anti-reverse insertion piece are opposite left and right and located at the same height, and the other side edge of the card support is also provided with a guide groove matched with the bending structure.

The first side wall of the metal shell of the electronic card connector is provided with an anti-reverse insertion sheet positioned in the card inserting space in a thrust manner, and the anti-reverse insertion sheet is close to the front end of the card inserting space; when the card support is inserted in the forward direction, the guide groove accommodates the anti-reverse insertion sheet, and the card support can be normally inserted into the card insertion space; work as when the card holds in the palm reverse insertion, prevent that the anti-inserted sheet stops the card holds in the palm and inserts the plug-in card space sets up on the first lateral wall and prevents the anti-inserted sheet, and it is little to prevent anti-inserted sheet occupation space, has saved metal casing's space for the spacing of push rod both sides is more sufficient, both can make electronic card connector width direction accomplish littleer, reduces the manufacturing degree of difficulty that the punching press made the anti-inserted sheet of preventing simultaneously, has strengthened the stability of preventing the anti-inserted sheet, improves the functional stability of moving back the card mechanism.

Drawings

Fig. 1 is a perspective view of the electronic card connector of the present invention.

Fig. 2 is a perspective view of the metal shell of the electronic card connector of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Fig. 5 is a perspective view of the card holder of the electronic card connector of the present invention.

Fig. 6 is an enlarged view of a portion C in fig. 5.

Detailed Description

Referring to fig. 1 to 4, an electronic card connector 100 of the present invention includes an insulative housing 10, a conductive terminal 20, a metal shell 30, a card holder 40 and a card ejecting mechanism 50.

The insulative housing 10 and the metal shell 30 have a card-insertion space 15 therebetween for receiving the card holder 40. The conductive terminal 20 is disposed on the insulative housing 10, and has one end extending into the card insertion space 15 for electrically contacting an electronic card (not shown), and the other end extending out of the insulative housing 10 for being soldered to a circuit board (not shown).

The metal shell 30 includes a first side wall 31, a second side wall 32 and a top wall 33, wherein the first side wall 31 and the second side wall 32 are opposite to each other in the left-right direction and respectively extend from two ends of the top wall 33 in a downward bending manner. The insulative housing 10 is positioned below the top wall 33, and the card-insertion space 15 is positioned between the insulative housing 10, the first side wall 31, the second side wall 32, and the top wall 33.

The first sidewall 31 is provided with an anti-reverse insertion sheet 311 located in the card insertion space 15 and a stamping hole 312 left by the anti-reverse insertion sheet 311, and the anti-reverse insertion sheet 311 is close to the front end of the card insertion space 15 and can even be arranged at the front end of the card insertion space 15. The anti-reverse insertion sheet 311 is vertically spaced from the top wall 33, the anti-reverse insertion sheet 311 is a vertical sheet body, the anti-reverse insertion sheet 311 comprises a front end bending sheet 313, a rear end bending sheet 314 positioned behind the front end bending sheet 313 and a middle sheet 315 connecting the front end bending sheet 313 and the rear end bending sheet 314, the front end bending sheet 313 and the rear end bending sheet 314 are opposite in front and back and are respectively connected with the inner side wall of the punching hole 312 integrally, and the middle sheet 315 is in a vertical flat plate shape and is parallel to the first side wall 31.

The front end of the metal shell 30 further includes an upper end piece 341, a lower end piece 342, an outer end piece 343, a fixing piece 344, and a flow channel 345 defined by the first sidewall 31, the lower end piece 342, and the outer end piece 343. The upper end piece 341 is opposite to the lower end piece 342 in the up-down direction, and the outer end piece 343 is located outside the first sidewall 31 and parallel to each other. The upper end piece 341 bends and extends from the lower edge of the first sidewall 31 to the outer end piece 343, the upper end piece 341 bends and extends from the upper edge of the outer end piece 343 to the inner side, the upper end piece 341 is slightly higher than the top wall 33, and the upper end piece 341 is provided with an opening 346. The fixing piece 344 extends from the upper end piece 341 further inward to above the top wall 33, and is fixed to the upper surface of the top wall 33 by welding, riveting, bonding, or snapping.

The front end of the second side wall 32 is provided with a bending structure 321 positioned in the card insertion space 15, and the bending structure 321 is opposite to the anti-reverse insertion piece 311 from left to right and is positioned at the same height.

The front end of the top wall 33 is provided with a concave part 330 which is concave downwards, and the concave part 330 penetrates through the top wall 33 forwards. The card eject mechanism 50 is accommodated in the recess 330, which is beneficial to reduce the height of the electronic card connector 100. The recess 330 has a pair of position-limiting pieces 331, a stopping piece 332 and a rotating shaft 333. The two limiting pieces 331 are located at two opposite sides of the rotating shaft 333, and the limiting pieces 331 and the stopping pieces 332 can play a role of stopping the card withdrawing mechanism 50, so that the card withdrawing mechanism 50 is prevented from rotating excessively.

As shown in fig. 5 and 6, the card holder 40 has a card slot 41 for receiving an electronic card, a step 42 located in front of the card slot 41, and guide grooves 43 located at two sides of the card slot 40 and the step 42, the step 42 is located at the top of the card holder 40, and the guide grooves 43 are concavely disposed at the left and right edges of the card holder 40.

When the card holder 40 is inserted in the forward direction, the bending structure 321 and the anti-reverse insertion sheet 311 of the metal shell 30 enter the guide grooves 43 on the two sides of the card holder 40, and the card holder 40 can be smoothly inserted into the card insertion space 15; when the card holder 40 is inserted reversely, the bending structure 321 and the anti-reverse insertion sheet 311 respectively abut against the tail end of the card holder 40 to block the insertion of the card holder 40, so that the card holder 40 cannot be inserted, and the function of preventing the reverse insertion of the card holder 40 is achieved.

The card ejecting mechanism 50 includes a card ejecting member 51 and a push rod 52 for moving the card ejecting member 51, the card ejecting member 51 is rotatably mounted in the recess 330 of the top wall 33 of the metal housing 30, the card ejecting member 51 includes a first end portion 511, a second end portion 512 and a middle portion 513, the first end portion 511 and the second end portion 512 are connected to opposite ends of the middle portion 513, and the middle portion 513 is provided with a pivot hole (not shown) for inserting the rotating shaft 333 of the metal housing 30. The first end 51 is provided with an ejecting piece 515 protruding forward for pressing the card holder 40 to move forward, so as to achieve the card withdrawing function. One part of the second end 512 is located in the recess 330, and the other part laterally extends out of the recess 330 into the opening 346 and is overlapped with the push rod 52, so as to facilitate the forward and backward linkage of the card ejecting piece 51 and the push rod 52.

The push rod 52 is L-shaped, and includes a main body 521 and a pressing portion 522 bent and extended outward from the front end of the main body 521, the main body 521 is slidably disposed in the flow channel 345 of the metal housing 30, and the upper edge of the main body 521 is provided with a notch 523 overlapping with the second end 52. When the card is withdrawn, the pressing portion 522 is manually pressed to move the push rod 52 backward, then the main body 521 pushes the second end portion 52 backward, then the card withdrawing piece 51 rotates, the first end portion 51 moves forward, finally, the ejecting piece 511 pushes the step 42 of the card holder 40 to urge the card holder 40 to move forward and gradually withdraw from the card insertion space 15, thus realizing the function of card withdrawing.

The utility model discloses set up on the first side wall 31 of electronic card connector 100 metal casing 30 and prevent anti-inserted sheet 311, it is little to prevent anti-inserted sheet 311 occupation space, the space of metal casing 30 has been saved, make the spacing more sufficient of push rod 52 both sides, both can make electronic card connector 100 width direction accomplish littleer, the gliding rocking volume of push rod 52 in flow channel 345 has been reduced again, the manufacturing degree of difficulty of preventing anti-inserted sheet 311 is made to the punching press that has reduced greatly simultaneously, the stability of preventing anti-inserted sheet 311 has been strengthened, improve the functional stability of card withdrawing mechanism 50.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims

1. An electronic card connector, comprising:

an insulating body;

the conductive terminal is arranged on the insulating body;

the card insertion structure comprises a metal shell, a card insertion space is arranged between the metal shell and the insulating body, the metal shell comprises a top wall and a first side wall bent and extended downwards from one end of the top wall, one end of the conductive terminal extends into the card insertion space, and the other end of the conductive terminal extends out of the insulating body;

the card support is inserted into the card inserting space, and a guide groove is formed in the side edge of the card support;

the card withdrawing mechanism comprises a card withdrawing piece and a push rod linked with the card withdrawing piece, the card withdrawing piece is rotatably arranged on the top wall, and the push rod is arranged on the first side wall in a sliding mode;

the method is characterized in that: the first side wall is provided with an anti-reverse insertion sheet positioned in the card inserting space in an impacting manner, and the anti-reverse insertion sheet is close to the front end of the card inserting space; when the card support is inserted in the forward direction, the guide groove accommodates the anti-reverse insertion sheet, and the card support can be normally inserted into the card insertion space; when the card support is reversely inserted, the anti-reverse insertion sheet blocks the card support to be inserted into the card inserting space.

2. The electronic card connector of claim 1, wherein: the first side wall is provided with a stamping hole left by the anti-reverse inserting sheet.

3. The electronic card connector of claim 1, wherein: the anti-reverse insertion sheet is vertically separated from the top wall.

4. The electronic card connector of claim 1, wherein: the anti-reverse inserting sheet is a vertical sheet body.

5. The electronic card connector of claim 1, wherein: prevent that inserted sheet includes that the front end is buckled the piece, is located the piece is buckled to the rear end at front end buckling piece rear and is connected the front end buckle the piece with the middle piece of the piece is buckled to the rear end, the piece is buckled to the front end with the piece is buckled to the rear end respectively with first lateral wall is connected.

6. The electronic card connector of claim 5, wherein: the middle plate is in a vertical flat plate shape and is parallel to the first side wall.

7. The electronic card connector of claim 1, wherein: the metal shell front end comprises an upper end piece, a lower end piece, an outer end piece and a flow channel formed by connecting and enclosing the first side wall, the lower end piece and the outer end piece, the upper end piece is opposite to the lower end piece from top to bottom, the outer end piece is positioned on the outer side of the first side wall, the upper end piece bends and extends to the outer end piece from the lower edge of the first side wall to the outer side, the upper end piece bends and extends from the upper edge of the outer end piece to the inner side, the push rod comprises a main body part arranged in the flow channel in a sliding mode and a pressing part extending from the front end of the main body part to the outer side in a bending mode, and the main body part and the withdrawing piece are connected in a lap joint mode.

8. The electronic card connector of claim 7, wherein: the upper end piece is provided with an opening, and the card withdrawing piece extends into the opening and is connected with the push rod in an overlapping mode.

9. The electronic card connector of claim 7, wherein: the metal shell further includes a fixing piece fixed to the top wall, the fixing piece extending further inward from the upper end piece.

10. The electronic card connector of claim 1, wherein: the metal shell comprises a second side wall bent downwards and extending from the top wall, the first side wall and the second side wall are opposite left and right, a bending structure located in the card inserting space is arranged at the front end of the second side wall, the bending structure and the anti-reverse insertion piece are opposite left and right and located at the same height, and a guide groove matched with the bending structure is also formed in the other side edge of the card support.