CN212136716U

CN212136716U - Card connector

Info

Publication number: CN212136716U
Application number: CN202020714010.2U
Authority: CN
Inventors: 成波; 陈高
Original assignee: Kunshan Huile Precision Industry Co ltd
Current assignee: Kunshan Huile Precision Industry Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-11
Anticipated expiration: 2030-04-30

Abstract

The application discloses card connector, it includes: the card-ejecting mechanism comprises an insulating body, a conductive terminal, a shielding shell and a card-ejecting mechanism. The conductive terminal comprises a fixing part fixed on the insulating body, an extending part extending into the card inserting space from the fixing part and a contact part connected to the tail end of the extending part, wherein the contact part is used for contacting with a card support inserted into the card inserting space. The shielding shell comprises a top wall, the card inserting space is located between the top wall and the insulating body in the vertical direction, the card returning mechanism is rotatably installed on the top wall of the shielding shell and comprises a returning card and a rotating shaft, the returning card is provided with a thimble contact part and a rotating shaft positioning hole, at least part of the rotating shaft is located in the rotating shaft positioning hole, the thimble contact part comprises a drawing groove, and the drawing groove is used for being matched with a thimble. The card connector saves space and the thimble slippage risk is little.

Description

Card connector

Technical Field

The present application relates to the field of electrical connectors, and more particularly, to a card connector.

Background

The card connector of the related art is provided with a card holder insertion space, an ejection mechanism of the card holder is composed of a pull rod and a rotating shaft, and a pull rod card holder insertion opening extends all the way to the tail end of the card connector, thus occupying a large space.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will solve lies in: provides a card connector which saves space and has small thimble slipping risk.

In order to solve the technical problem, the technical scheme of the application is as follows:

a card connector, comprising: the card-ejecting mechanism comprises an insulating body, a conductive terminal, a shielding shell and a card-ejecting mechanism; the shielding shell is fixed on the insulating body, a card inserting space for inserting the card holder is formed between the shielding shell and the insulating body, the conductive terminal comprises a fixing part fixed on the insulating body, an extending part extending into the card inserting space from the fixing part and a contact part connected to the tail end of the extending part, the contact part is used for contacting with the card holder inserted into the card inserting space, and the card withdrawing mechanism is arranged at a plug-in port close to the card inserting space; the shielding shell comprises a top wall, the card inserting space is positioned between the top wall and the insulating body in the vertical direction, the card withdrawing mechanism is rotatably mounted on the top wall of the shielding shell and comprises a card withdrawing piece and a rotating shaft, the card withdrawing piece is provided with a thimble contact part and a rotating shaft positioning hole, at least part of the rotating shaft is positioned in the rotating shaft positioning hole, the thimble contact part comprises a drawing groove, and the drawing groove is used for being matched with a thimble; when the ejector pin is inserted and contacted with the drawing groove, the card withdrawing piece can rotate around the rotating shaft under the pushing action of the ejector pin so as to withdraw the card holder.

Compared with the prior art, the card withdrawing mechanism is arranged at the interface close to the card inserting space, so that the use of a pull rod is reduced, and the space is saved; the thimble contact part is including drawing the recess, and the thimble draws the recess in the during operation and has reduced the risk of thimble slippage.

Drawings

Fig. 1 is a perspective view of a card connector according to an exemplary embodiment of the present application.

Fig. 2 is a perspective view of the card connector shown in fig. 1 with the card eject mechanism removed.

Fig. 3 is a perspective view of the card ejector shown in fig. 1.

Fig. 4 is a perspective view of the rotating shaft shown in fig. 1.

Fig. 5 is a perspective view of the card-tray-insertion card connector shown in fig. 1.

Fig. 6 is a perspective view of the card-tray-ejection card connector shown in fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Similarly, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one; "plurality" means two or more than two. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

The piping connection assembly according to the exemplary embodiment of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments can be supplemented or combined with each other without conflict.

As shown in fig. 1 to 4, a card connector 100 includes: the card-ejecting device comprises an insulating body 1, a conductive terminal 2, a shielding shell 3 and a card-ejecting mechanism 4.

The shielding shell 3 is fixed to the insulating body 1, and a card insertion space 50 for inserting the card holder 200 is formed between the shielding shell 3 and the insulating body 1. The shield case 3 includes a top wall 31, and the card insertion space 50 is located between the top wall 31 and the insulative body 1 in the vertical direction. The top wall 31 of the shield shell 3 includes a main body portion 32 and a recessed portion 33 recessed downward from the main body portion 32, and the card eject mechanism 4 is attached to the recessed portion 33, thereby facilitating the thickness reduction of the card connector 100. Shielding shell 3 further includes first side wall 34 and second side wall 35, first side wall 34 and second side wall 35 are respectively connected to two opposite sides of top wall 31, shielding shell 3 further includes first step portion 36 connected between main portion 32 and recessed portion 33, and first step portion 36 is inclined, so as to facilitate processing of shielding shell 3. The recessed portion 33 is provided with at least two positioning pieces 331, the positioning pieces 331 are formed by protruding upwards from the top surface of the recessed portion 33, the recessed portion 33 is further provided with stamping holes 332 forming the positioning pieces 331, the stamping holes 332 penetrate through the recessed portion 33 along the vertical direction, and the positioning pieces 331 are substantially in an L shape. The positioning piece 331 includes a vertical portion 333 extending in a vertical direction and a smooth transition portion 334 connected between the vertical portion 333 and the top surface of the recess portion, and the smooth transition portion 334 is provided to facilitate the punch forming of the positioning piece 331. The recess 33 includes two positioning pieces 331, and facing directions of the two positioning pieces 331 are different. The recessed portion 33 is provided with a drawing post 37 projecting upward and a threaded hole 371 in the drawing post 37, and the drawing post 37 is located between the two positioning pieces in the insertion direction of the card holder. A post is drawn to the iron-clad, with the cooperation of pivot hole, plays the positioning action, and the post inner wall is attacked the screw thread, fixes the pivot with the nut cooperation, reduces the risk of droing. A second step 341 facing outward is disposed between the recess 33 and the first sidewall 34, and the second step 341 is used for placing the rotating shaft, thereby saving product space. The positioning plate 331 can function as a stop for the card ejecting mechanism 4, and the risk of over-rotation of the card ejecting mechanism 4 is reduced.

The conductive terminal 2 includes a fixing portion (not numbered) fixed to the insulating body 1, an extending portion 21 extending from the fixing portion into the card insertion space 50, a contact portion 22 connected to a distal end of the extending portion 21, and a terminal pin portion 23 extending from the connecting portion into the receiving space. The contact portion 22 is used for contacting the card holder 200 inserted into the card insertion space 50, the extension portion 21 includes a first extension portion 211 and a second extension portion 212, the contact portion 22 is connected to the ends of the first extension portion 211 and the second extension portion 212, and the first extension portion 211, the second extension portion 212 and the contact portion 22 form a V-shaped receiving space 24. The leg portion 23 includes a first leg portion 231 extending from the connecting portion toward the contact portion 22 and a second leg portion 232 extending from the connecting portion away from the contact portion 22, the first leg portion 231 is at least partially accommodated in the V-shaped accommodating space 24, and the second leg portion 232 is E-shaped. The first and second terminal pins 231 and 232 are used for surface soldering to a mobile phone motherboard (not shown) to electrically connect the card connector 100 and the mobile phone motherboard. The first and second terminal pins 231 and 232 extend toward different directions, so that contact points of the mobile phone motherboard are increased, and connection stability of the card connector 100 is improved. The second terminal leg portion 232 is E-shaped, so that it is convenient to identify the mounting direction of the card connector 100 when mounted, unlike the shape of the first terminal leg portion 231. The extending direction of the first extending portion 211 and the second extending portion 212 is perpendicular to the inserting direction of the card holder 200, so that the contact portion 22 is prevented from directly contacting the card holder 200, and the service life of the conductive terminal is prolonged. The first extension portion 211 and the second extension portion 212 are both ridge-shaped, which facilitates the molding of the conductive terminal.

The card mechanism that moves back that the correlation technique adopted the pull rod, the pull rod extends to the end in card space from the opening in card space always, and the pull rod occupies the space great, and the card mechanism 4 that moves back of this application rotatably install in shield housing 3's roof 31, and be located card space 50's front end to reduced the pull rod and occupied the space, be favorable to the miniaturized design of product. The card withdrawing mechanism 4 comprises a card withdrawing piece 41 and a rotating shaft 42, the rotating shaft 42 is in a nut shape, the rotating shaft 42 comprises a thread part 421 and a top cover part 422, the thread part 421 is rotatably installed in the thread hole 371 of the drawing column 37, and therefore the card withdrawing piece 41 is fixed between the top cover part 42 and the concave part 33.

The card withdrawing piece 41 is provided with a thimble contact part 411 and a rotating shaft positioning hole 412, the rotating shaft 42 is at least partially positioned in the rotating shaft positioning hole 412, the thimble contact part 411 comprises a drawing groove 413, and the drawing groove 413 is used for being matched with a thimble. When the ejector pin is inserted into the drawing groove 413, the card ejecting member 41 is rotated about the rotating shaft 42 by the pushing action of the ejector pin to eject the card holder 200.

The card withdrawing piece 41 comprises a middle part 414 provided with the shaft positioning hole 412, a first end part 415 positioned at one side of the middle part 414, and a second end part 416 positioned at the other side of the middle part 415, wherein the drawing groove 413 is arranged at the first end part 415, the first end part 415 is at least partially positioned below the top wall 31, and the second end part 416 is positioned above the top wall 31.

The card ejecting surface 41 comprises an ejecting top surface 418 and an ejecting bottom surface 419, the ejecting bottom surface 419 faces the top wall 31 of the shielding shell 3, the ejecting top surface 418 is recessed downwards to form a groove 431, and the ejecting bottom surface 419 is correspondingly provided with a protruding portion 432 protruding downwards. The recess 431 has a recess depth corresponding to the protruding thickness of the projection 432.

As shown in fig. 5 and 6, the card tray 200 is inserted into two different states in the card insertion space 50 mounted to the card connector 100. As shown in fig. 5, in a state where the thimble is not inserted, the card holder 200 is provided with a needle insertion hole 201, and the drawing groove 413 is substantially aligned with the needle insertion hole 201 along the insertion direction of the card holder 200. As shown in fig. 6, which is a state diagram when the thimble is inserted into the needle passing hole 201, the thimble pushes the drawing groove 413 and pushes the card withdrawing piece 41 to rotate and eject the card holder 200.

As used herein, "substantially" and "approximately" mean that the degree of similarity is greater than 50%. For example, the drawing groove 413 and the needle insertion hole 201 are substantially aligned in the insertion direction of the card holder 200, and at least 50% of the area of the drawing groove 413 and the needle insertion hole 2 are arranged in parallel.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and within the scope of the present invention.

Claims

1. A card connector, comprising: the card-ejecting mechanism comprises an insulating body, a conductive terminal, a shielding shell and a card-ejecting mechanism;

the shielding shell is fixed on the insulating body, a card inserting space for inserting the card holder is formed between the shielding shell and the insulating body, the conductive terminal comprises a fixing part fixed on the insulating body, an extending part extending into the card inserting space from the fixing part and a contact part connected to the tail end of the extending part, the contact part is used for contacting with the card holder inserted into the card inserting space, and the card withdrawing mechanism is arranged at a plug-in port close to the card inserting space;

the shielding shell comprises a top wall, the card inserting space is positioned between the top wall and the insulating body in the vertical direction, the card withdrawing mechanism is rotatably mounted on the top wall of the shielding shell and comprises a card withdrawing piece and a rotating shaft, the card withdrawing piece is provided with a thimble contact part and a rotating shaft positioning hole, at least part of the rotating shaft is positioned in the rotating shaft positioning hole, the thimble contact part comprises a drawing groove, and the drawing groove is used for being matched with a thimble;

when the ejector pin is inserted and contacted with the drawing groove, the card withdrawing piece rotates around the rotating shaft under the pushing action of the ejector pin so as to withdraw the card holder.

2. The card connector of claim 1, wherein: the card withdrawing piece comprises a middle part provided with a rotating shaft positioning hole, a first end part positioned on one side of the middle part and a second end part positioned on the other side of the middle part, the drawing groove is arranged on the first end part, and the second end part is positioned above the top wall.

3. The card connector of claim 1, wherein: the card withdrawing piece comprises a card withdrawing top surface and a card withdrawing bottom surface, the card withdrawing bottom surface faces the top wall of the shielding shell, the card withdrawing top surface is recessed downwards and provided with a groove, and the card withdrawing bottom surface is correspondingly provided with a convex part protruding downwards.

4. The card connector of claim 3, wherein: the concave depth of the groove is consistent with the convex thickness of the convex part.

5. The card connector of claim 4, wherein: the shielding shell comprises a main body part and a concave part which is arranged downwards from the main body part in a concave mode, and the card withdrawing mechanism is connected to the concave part.

6. The card connector of claim 5, wherein: the concave part is provided with at least two positioning sheets, the positioning sheets are formed by protruding upwards from the top surface of the concave part, and the concave part is also provided with a stamping hole for forming the positioning sheets.

7. The card connector of claim 6, wherein: the shielding shell further comprises a first side wall and a second side wall, the first side wall and the second side wall are respectively connected to two opposite sides of the top wall, and the shielding shell further comprises a step portion connected between the first side wall and the recessed portion.

8. The card connector of claim 7, wherein: the depressed part is equipped with the pump drainage post that upwards the protrusion goes out and is located the screw hole of pump drainage post, the pivot is for being the nut form, the pivot includes screw thread portion and top cap portion, screw thread portion rotatable install in the screw hole of pump drainage post.

9. The card connector of claim 6, wherein: the facing directions of the two positioning sheets are different.

10. The card connector of claim 9, wherein: the extension part comprises a first extension part and a second extension part, the contact part is connected with the first extension part and the second extension part, the first extension part, the second extension part and the contact part form a V-shaped accommodating space, and the conductive terminal comprises a terminal foot part extending into the accommodating space from the connecting part.