CN211428388U

CN211428388U - Card connector

Info

Publication number: CN211428388U
Application number: CN201922256054.5U
Authority: CN
Inventors: 李风相
Original assignee: Kunshan Jiahua Electronics Co Ltd
Current assignee: Kunshan Jiahua Electronics Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-04
Anticipated expiration: 2029-12-16

Abstract

A card connector comprises a terminal module and a card withdrawing module matched with the terminal module, wherein the terminal module comprises a terminal assembly and a metal shell matched with the terminal assembly, the terminal assembly comprises an insulator and a plurality of conductive terminals fixed with the insulator, the terminal module is provided with an accommodating space and forms a socket, the socket is used for inserting an electronic card, the accommodating space is used for accommodating the electronic card, the card withdrawing module is located at the position of the socket of the terminal module, a card withdrawing rod is prevented from being inserted between a card support and the terminal assembly by mistake, and the card withdrawing action is smooth.

Description

Card connector

Technical Field

The present design relates to a card connector.

Background

The mobile phone is one of indispensable tools for people's life in modern society, and the requirements for the functions of the mobile phone are higher and higher along with the increase of the transactions processed by people. The card connector is an electric connector used for being installed on a circuit board of portable electronic equipment such as a mobile phone and the like, and can realize signal transmission between an electronic card and the portable electronic equipment such as the mobile phone and the like. The card connector generally includes a card holder body, a card holder, a card ejecting mechanism and a detecting terminal module. The card support is used for bearing an electronic card to be inserted into the card seat body, and the card withdrawing mechanism enables the card support to be withdrawn from the card seat body. The card withdrawing mechanism of the card connector generally comprises a rotating shaft, a push rod and an executing piece, wherein the executing piece is pivoted at the rear end of the card seat body through the rotating shaft, and the push rod is arranged on the side edge of the card seat body and is linked with the executing piece. The detecting terminal module of the card connector is generally disposed at the rear end of the card socket body. In the prior art, the card support is in the process of withdrawing the card or inserting the card, the executing part can be inserted into the condition below the card support, namely the executing part is clamped by the card support and the card support body up and down, so that the card support body and the card support can be damaged.

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

SUMMERY OF THE UTILITY MODEL

The objective of the present design is to provide a new card connector with smooth card withdrawing operation.

The purpose of the design is realized by the following technical scheme:

a card connector is used for being electrically connected to a circuit board and comprises a terminal module and a card withdrawing module matched with the terminal module, wherein the terminal module comprises a terminal assembly and a metal shell matched with the terminal assembly, the terminal assembly comprises an insulator and a plurality of conductive terminals fixed with the insulator, the terminal module is provided with an accommodating space and forms a socket, the socket is used for inserting an electronic card, the accommodating space is used for accommodating the electronic card, the card withdrawing module is located at the position of the socket of the terminal module, and the card withdrawing module is located at the position below an extension space of the accommodating space in the front-back direction along the thickness direction of the circuit board.

Furthermore, move back the card module and include the metal frame and move back the kelly, move back the kelly pin joint in the metal frame, when promoting forward move back kelly one end, move back the kelly and can use the pin joint position with the metal frame to rotate as the pivot, move back the other end rearward of kelly.

Further, the metal frame comprises a top plate and a bottom plate opposite to the top plate, and the card withdrawing rod is pivoted between the top plate and the bottom plate.

Further, the rear end position of metal frame forms the back end plate, the front end position of metal frame forms the front end plate, it is located between back end plate and the front end plate to move back the kelly, the back end plate respectively forms in the both ends position that the kelly was moved back in the fore-and-aft direction correspondence and lets the mouth, when moving back the kelly rotation, the both ends that move back the kelly can be respectively backward from letting the mouth protruding stretch out.

Further, the metal frame includes epitheca and inferior valve, the epitheca forms the roof, the inferior valve forms the bottom plate, the back end plate by the back end position of epitheca or inferior valve extends to form, the front end plate by the front end position of epitheca or inferior valve extends to form.

Further, the upper shell and the lower shell are fixed to each other at the two ends in the left-right direction and/or the upper shell and the lower shell are fixed to each other at the front end, the upper shell or the lower shell is fixed to the metal shell, or the upper shell or the lower shell is integrated with the metal shell.

Furthermore, the metal frame and the insertion port of the metal shell are fixed or integrated with each other.

Furthermore, the terminal module is fixed on the surface of the circuit board, the circuit board is sunken downwards at the position of the plug interface of the terminal module to form a yielding space, the card withdrawing module is accommodated in the yielding space and fixed with the circuit board, or the card withdrawing module is accommodated in the yielding space and fixed with the metal shell, or the card withdrawing module is accommodated in the yielding space and integrated with the metal shell.

Furthermore, the metal frame forms the welding piece along the both sides of plug-in card direction, the metal frame forms the welding piece along the front end of plug-in card direction, the welding piece is direct or indirect and circuit board surface mounting.

The card holder is used for bearing at least one electronic card, the card holder is inserted into the accommodating space through the insertion port, a card withdrawing portion is formed by protruding extension of the lower surface of the card holder at the rear end position in the card inserting direction, a card withdrawing surface facing the card inserting direction is formed on the card withdrawing portion, the card withdrawing surface is matched with the card withdrawing rod, the lower surface of the card withdrawing portion is lower than the upper surface of the metal frame, the card connector further comprises a switch terminal module, the switch terminal module comprises a movable terminal, a fixed terminal and an insulating block, the fixed terminal and the insulating block are matched with the movable terminal in action, the movable terminal is formed by bending the metal frame, the fixed terminal is fixed on the insulating block, the insulating block is fixed on the metal frame, a trigger portion is formed at the rear end position of the movable terminal in the card inserting direction, and the trigger portion is matched with the card withdrawing surface.

Compared with the prior art, the design has the following beneficial effects: the card withdrawing module is arranged at the position of the interface of the terminal module, so that the card withdrawing rod is prevented from being inserted between the card support and the terminal assembly by mistake, and the card withdrawing action is smooth.

Drawings

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

Fig. 2 is a partially exploded view of the card connector of the present application, showing a perspective view of the card holder and the electronic card when the electronic card is removed from the terminal module.

Fig. 3 is an enlarged view of the portion within the dashed circle in fig. 2.

Fig. 4 is an exploded perspective view of the card ejecting module of the present application, specifically showing a schematic perspective view of the upper case, the card ejecting rod and the lower case when they are separated from each other, and of course also showing the form of the switch terminal.

Fig. 5 is a diagram showing the positional relationship between the card holder inserted into the terminal module and the card ejecting module in the card connector according to the present invention, which is shown by looking down, and the metal shell, the electronic card and the terminal assembly are removed for clarity.

Fig. 6 is an enlarged view of a portion within a dashed box in fig. 5.

Fig. 7 is a perspective view of the card ejector of the card connector of the present invention when the card ejector pushes the card holder backward out of the electronic module.

Fig. 8 is an enlarged view of a portion within a dashed box in fig. 7.

Fig. 9 is a cross-sectional view taken along line a-a of fig. 1, and only a portion of the socket is shown enlarged for clarity, so as to mainly show the relative position relationship among the card ejecting module, the circuit board and the card holder.

Detailed Description

Hereinafter, a specific embodiment of the card connector of the present design will be described with reference to fig. 1 to 9. It should be noted that, in the present design, the embodiments and the features of the embodiments may be combined with each other without conflict.

In the description of the present design, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this design can be understood in a particular situation to one of ordinary skill in the art.

In the description of the present design, it should be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For more accurate description in the present application, all references to directions are made to fig. 1, wherein the extending direction of the X-axis is the left-right direction, and the positive direction of the X-axis is the right direction; wherein the Y-axis extension direction is the front-back direction, and the Y-axis forward direction is the front; wherein the extending direction of the Z axis is the up-down direction, and the positive direction of the Z axis is up.

Referring to fig. 1 to 9, the present application discloses a card connector, which includes a terminal module 1, a circuit board 5, a card withdrawing module 3 and a card holder 3, wherein the card withdrawing module is matched with the terminal module 1. The terminal module 1 includes a terminal assembly 12 (see fig. 9) and a metal housing 11 fitted with the terminal assembly 12. The terminal assembly 12 includes an insulator (not shown) and a plurality of conductive terminals (not shown) fixed with the insulator. The metal shell 11 covers the periphery of the terminal assembly 12, the terminal module 1 is fixed on the surface of the circuit board 5 in a welding manner, the terminal module 1 is defined by the terminal assembly 12 and the metal shell 11 together to form an accommodating space 10, a socket 101 is formed at the rear end of the terminal module, the socket 101 is used for inserting the card holder 2 bearing the electronic card 4, and the accommodating space 10 is used for accommodating the card holder 2 bearing the electronic card 4.

In the present application, the card holder 2 is a three-in-one card holder 2 capable of simultaneously holding three electronic cards 4, which are a T-flash card (Micro SD card) and two Nano Sim cards, and may be in any other card holder form.

In the present application, the terminal assembly 12 is in the form of a bean curd block, that is, the insulator and the conductive terminal are integrally formed to form an individual terminal assembly 12, the terminal assembly 12 is independently welded and fixed on the surface of the circuit board 5, the metal shell 11 covers the terminal assembly 12, and side plates (not labeled) are formed at both sides and the front end of the metal shell 11 and are welded and fixed on the surface of the circuit board 5. Of course, in other embodiments, the terminal assembly 12 may be designed to be integrated with the lower surface of the metal shell 11, and welded and fixed to the surface of the circuit board 5 through side plates (not labeled) formed at two sides and the front end of the metal shell 11, and in this case, the accommodating space 10 is formed by the space between the terminal assembly 12 and the surface of the circuit board 5. In other embodiments, the metal shell 11 may be buckled with the insulator of the terminal assembly 12 to form a module and soldered to the surface of the circuit board 5. In the present application, the form of the terminal module 1 is not limited to a large number.

Referring to fig. 2 to 4, the card withdrawing module 3 is located at the socket 101 of the terminal module 1, the card withdrawing module 3 includes a metal frame 31 and a card withdrawing rod 32, the card withdrawing rod 32 is pivoted to the metal frame 31, when one end of the card withdrawing rod 32 is pushed backward, the card withdrawing rod 32 can rotate by using the pivoted position with the metal frame 31 as a rotating shaft, and the other end of the card withdrawing rod 32 moves forward.

The metal frame 31 includes a top plate 3111 and a bottom plate 3121 opposite to the top plate 3111, and the card releasing lever 32 is pivotally connected between the top plate 3111 and the bottom plate 3121. The metal frame 3 includes an upper case 311 and a lower case 312. The upper case 311 forms the top plate 3111, the lower case 312 forms the bottom plate 3121, in this application, a rear end edge position of the upper case 311 is bent toward the lower case 312 to form a rear end plate 3112, and a front end edge position of the lower case 312 is bent toward the upper case 311 to form a front end plate 3122. The rear end plate 3112 is welded to the lower casing 312, and the front end plate 3122 is welded to the upper casing 311. The top plate 3111, the bottom plate 3121, the rear end plate 3112 and the front end plate 3122 together form a containing cavity (not labeled), and the card removing rod 32 is pivotally accommodated in the containing cavity.

Of course, in other embodiments, the rear end plate 3112 may be formed by bending the front end edge of the upper casing 311 toward the lower casing 312, and the front end plate 3122 may be formed by bending the rear end edge of the lower casing 312 toward the upper casing 311.

Referring to fig. 3 in conjunction with fig. 4, in the present application, the card withdrawing rod 32 is transversely disposed, the rear end plate 3112 is respectively formed with a relief opening 3110 at two end positions of the card withdrawing rod 32 corresponding to the front and rear directions, and when the card withdrawing rod 32 rotates, two ends of the card withdrawing rod 32 can respectively protrude backwards from the relief opening 3110.

In this application, the circuit board 5 is sunken downwards at the interface 101 of the terminal module 1 to form the space 51 of stepping down, the card withdrawing module 3 is accommodated in the space 51 of stepping down and fixed to each other with the circuit board 5. Specifically, welding pieces 301 are formed at two ends of the upper shell 311 and/or the lower shell 312 in the left-right direction, a welding piece 302 is formed at the front end of the upper shell 311 and/or the lower shell 312, and the

welding pieces

301 and 302 are directly or indirectly fixed on the surface of the circuit board 5.

Of course, in other embodiments, the card ejection module 3 may also be designed to be fixed or integrated with the metal shell 11, specifically: the upper case 311 and/or the lower case 312 are fixed or integrated with the metal housing 11. When the upper case 311, the lower case 312 and the metal case 11 are integrated, the rear end of the upper case 311 may be bent downward and toward the card insertion direction to form the lower case 312, and the front end position or the left and right positions of the upper case 311 may be integrated with the metal case 11, or the front end position or the left and right positions of the lower case 312 may be integrated with the metal case 11. Similar modifications can be made, in principle, a receiving cavity is formed for receiving the card removing rod 32; meanwhile, it is necessary to ensure that the card eject module 3 is located at the front end position of the socket 101 of the terminal module, and the card eject module 3 needs to be located below the card holder 2.

The card support 2 is inserted into the accommodating space 10 from the plug interface 101, the lower surface of the back end of the card support 2 protrudes to form a card withdrawing part 21, the card withdrawing part 21 forms a card withdrawing surface 210 facing the front end direction, the card withdrawing surface 210 is matched with the card withdrawing rod 32, the card connector further comprises a switch terminal module, the switch terminal module comprises a movable terminal 61, a fixed terminal 62 and an insulating block 63, the fixed terminal 62 and the insulating block 63 are matched with the movable terminal 61 to realize the switch function, the movable terminal 61 is formed by bending a metal frame 31, the fixed terminal 62 is fixed on the insulating block 63, and the insulating block 63 is fixed on the metal frame 31. In this application, move terminal 61, fixed terminal 62 and insulating block 63 and all be fixed in and hold the intracavity, the rear end position of moving terminal 61 is formed with to the backward protrusion and holds the outside trigger part 611 of chamber, trigger part 611 with move back the cooperation of card face 210.

Referring to fig. 9, when the card holder 2 is fully inserted into the accommodating space 10, the lower surface of the card withdrawing portion 21 is lower than the upper surface of the metal frame 31, and when the card holder 2 is over-inserted forward, the card withdrawing portion 21 can be abutted against the metal frame 31 to achieve a stop.

In this application, will move back card module 3 and set up the interface 101 position at terminal module 1, and have the metal frame 31 design and hold the chamber for move back card pole 32 and switch terminal and can be fine hold wherein, play the guard action, move back the smooth and easy and durable of card action. The card-return lever 32 is prevented from being erroneously inserted between the card holder 2 and the terminal assembly 12.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present design, but not to limit the same; while the present design has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present design.

Claims

1. A card connector is used for being electrically connected to a circuit board and comprises a terminal module and a card withdrawing module matched with the terminal module, wherein the terminal module comprises a terminal assembly and a metal shell matched with the terminal assembly, the terminal assembly comprises an insulator and a plurality of conductive terminals fixed with the insulator, the terminal module is provided with an accommodating space and forms a socket, the socket is used for inserting an electronic card, and the accommodating space is used for accommodating the electronic card.

2. The card connector of claim 1, wherein: the card withdrawing module comprises a metal frame and a card withdrawing rod, the card withdrawing rod is pivoted on the metal frame and pushes forwards one end of the card withdrawing rod, the card withdrawing rod can rotate by taking the pivoted position of the card withdrawing rod and the metal frame as a rotating shaft, and the other end of the card withdrawing rod moves backwards.

3. The card connector of claim 2, wherein: the metal frame comprises a top plate and a bottom plate opposite to the top plate, and the card withdrawing rod is pivoted between the top plate and the bottom plate.

4. The card connector of claim 3, wherein: the rear end position of metal frame forms the back end plate, the front end position of metal frame forms the front end plate, it is located between back end plate and the front end plate to move back the kelly, the back end plate respectively forms in the both ends position that the kelly was moved back in the fore-and-aft direction correspondence and lets the position mouth, when moving back the kelly rotation, the both ends that move back the kelly can be respectively backward from letting the protruding stretching out of position mouth.

5. The card connector of claim 4, wherein: the metal frame includes epitheca and inferior valve, the epitheca forms the roof, the inferior valve forms the bottom plate, the back end plate by the back end position of epitheca or inferior valve extends to form, the front end plate by the front end position of epitheca or inferior valve extends to form.

6. The card connector of claim 5, wherein: the upper shell and the lower shell are mutually fixed at the two ends in the left-right direction and/or are mutually fixed at the front ends, and the upper shell or the lower shell is fixed with the metal shell or is integrated with the metal shell.

7. The card connector of claim 3, wherein: the metal frame and the insertion port of the metal shell are mutually fixed or integrated.

8. The card connector of claim 1, wherein: the terminal module is fixed on the surface of the circuit board, the circuit board is sunken downwards at the position of the plug interface of the terminal module to form a yielding space, the card withdrawing module is accommodated in the yielding space and fixed with the circuit board, or the card withdrawing module is accommodated in the yielding space and fixed with the metal shell, or the card withdrawing module is accommodated in the yielding space and integrated with the metal shell.

9. The card connector of claim 2, wherein: the metal frame forms the welding piece along the both sides of plug-in card direction, the metal frame forms the welding piece along the front end of plug-in card direction, the welding piece is direct or indirect and circuit board surface mounting.

10. The card connector of claim 2, wherein: the card connector further comprises a switch terminal module, the switch terminal module comprises a movable terminal, a fixed terminal and an insulating block, the fixed terminal and the insulating block are matched with the movable terminal, the movable terminal is formed by bending the metal frame, the fixed terminal is fixed on the insulating block, the insulating block is fixed on the metal frame, the movable terminal is formed with a triggering part along the rear end position of the card inserting direction, and the triggering part is matched with the card withdrawing surface.