WO2021120828A1

WO2021120828A1 - Card connector

Info

Publication number: WO2021120828A1
Application number: PCT/CN2020/122379
Authority: WO
Inventors: 李风相
Original assignee: 昆山嘉华电子有限公司
Priority date: 2019-12-16
Filing date: 2020-10-21
Publication date: 2021-06-24

Abstract

Provided is a card connector. The card connector is provided with a terminal module (1) and a card ejection module (3) matching the terminal module (1). The terminal module (1) comprises a terminal assembly (12) and a metal housing (11) matching the terminal assembly (12). The terminal assembly (12) comprises an insulator and several conductive terminals fixed to the insulator. The terminal module (1) is provided with an accommodating space (10) for accommodating an electronic card (4), and an insertion port (101) for the electronic card (4) to be inserted into is also formed in the terminal module. The card ejection module (3) is located at the same position as the insertion port (101) of the terminal module (1), so as to prevent a card ejection rod (32) from being improperly inserted between a card tray (2) and the terminal assembly (12), such that a card ejection action is smooth.

Description

Card connector

This application requires that the application date is December 16, 2019, the application number is 201911296882.X, the invention name is "card connector" and the application date is April 30, 2020, the application number is 202010363708.9, and the invention name is "Card The priority of the Chinese patent application for "Connector", the entire content of which is incorporated into this application by reference.

Technical field

The invention relates to a card connector.

Background technique

Mobile phones are one of the indispensable tools in people's lives in modern society. With the increase of people's handling of affairs, the functional requirements of mobile phones are getting higher and higher. The card connector is an electrical connector used to be installed on the circuit board of a portable electronic device such as a mobile phone, and can realize signal transmission between an electronic card and a portable electronic device such as a mobile phone. The card connector is generally provided with a card holder body, a card holder, a card eject mechanism and a detection terminal module. The card holder is used to carry the electronic card into the card holder body, and the card eject mechanism makes the card holder exit the card holder body. The card ejecting mechanism of the card connector generally includes a rotating shaft, a push rod and an actuator. The actuator is pivotally connected to the rear end of the card holder body through the rotating shaft, and the push rod is arranged on the side of the card holder body and linked with the actuator. The detection terminal module of the card connector is generally arranged at the back end of the card socket body. In the prior art, when the card tray is ejected or inserted, the actuator may be inserted under the card tray, that is to say, the actuator is clamped up and down by the card tray and the card holder body, which will damage the card holder. The body and the card holder.

In view of this, it is necessary to provide an improved card connector to overcome the above-mentioned problems.

Summary of the invention

The object of the present invention is to provide a card connector with a smooth card ejection action.

In order to achieve the above-mentioned object of the invention, the present invention provides a card connector, which includes a terminal module and a card ejection module matched with the terminal module. The terminal module includes a terminal assembly and a metal shell matched with the terminal assembly. The terminal assembly includes an insulator and a number of conductive terminals fixed to the insulator. The terminal module is provided with an accommodating space for accommodating the electronic card and forms a plug-in interface for the electronic card to be inserted. The card eject module is located at the plug-in interface of the terminal module position.

As a further improvement of the present invention, the card ejection module includes a metal frame and a card ejection lever. The card ejection lever is pivotally connected to the metal frame. When one end of the card ejection lever is pushed in the card tray insertion direction, the card ejection lever The pivoting position with the metal frame can be used as a rotation axis, and the other end of the card ejection lever moves in the direction of pulling out the card holder.

As a further improvement of the present invention, the metal frame includes a top plate and a bottom plate opposite to the top plate, and the eject lever is pivotally connected between the top plate and the bottom plate.

As a further improvement of the present invention, the back end of the metal frame forms a back end plate, the front end of the metal frame forms a front end plate, the eject lever is located between the back end plate and the front end plate, and the back end The two ends of the plate corresponding to the ejection lever in the front and rear directions form a relief opening, and when the ejection rod rotates, the two ends of the ejection rod can respectively protrude backward from the relief opening.

As a further improvement of the present invention, the metal frame includes an upper shell and a lower shell, the upper shell forms the top plate, the lower shell forms the bottom plate, and the rear end plate is formed by the upper shell or the lower shell. The rear end position is extended, and the front end plate is formed by the front end position of the upper shell or the lower shell.

As a further improvement of the present invention, the upper shell and the lower shell are fixed to each other at both ends in the left and right direction and/or the upper shell and the lower shell are fixed to each other at the front end position, and 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.

As a further improvement of the present invention, the insertion interface positions of the metal frame and the metal shell are fixed to each other or integrated.

As a further improvement of the present invention, the card connector further includes a circuit board, the terminal module is fixed on the surface of the circuit board, the circuit board is recessed downwards at the position of the insertion interface of the terminal module to form a vacant space, and the card withdrawal The module is accommodated in the vacant space and fixed to the circuit board, or the card ejecting module is accommodated in the vacant space and fixed to the metal shell, or the card ejecting module is accommodated in the vacant space And it is integrated with the metal shell, the two sides of the metal frame along the card insertion direction are formed with welding pieces, the front end of the metal frame along the card insertion direction is formed with welding pieces, and the welding pieces are directly or indirectly fixed to the surface of the circuit board.

As a further improvement of the present invention, the card connector further includes a card holder formed with a card accommodating space, the card holder is used to carry at least one electronic card, the card holder is inserted into the accommodating space by an insertion interface, the card holder A card ejecting trigger part is formed on the upper part, the card ejecting trigger part cooperates with the card ejecting module to move, and the card ejecting trigger part at least partially overlaps with the card accommodating space in the vertical direction.

As a further improvement of the present invention, the card connector further includes a switch terminal module, a switch trigger part is formed on the card holder, the switch trigger part cooperates with the switch terminal module to realize a switch function, and the switch trigger part At least partially overlaps with the card accommodating space in the up and down direction, the card holder includes a frame portion and a metal piece integrally fixed with the frame portion. The card eject trigger portion and/or the switch trigger portion are formed by extending the metal piece along the upper and lower sides. In the direction, the switch triggering part and the card ejecting triggering part are both located below the card accommodating space.

Compared with the prior art, the present invention has the following beneficial effects: the card ejection module is set at the insertion interface position of the terminal module to prevent the card ejection lever from being mistakenly inserted between the card holder and the terminal assembly, and the card ejection action is smooth; The card tray is equipped with a card ejection trigger, which makes the card ejection action smooth and is more conducive to miniaturization.

Description of the drawings

Figure 1 is a perspective view of the first embodiment of the card connector of the present invention;

2 is a partial exploded view of the card connector shown in FIG. 1, which shows a three-dimensional schematic diagram of the card tray and the electronic card when removed from the terminal module;

Figure 3 is an enlarged view of the part inside the dashed circle in Figure 2;

Figure 4 is a perspective exploded view of the card eject module of the card connector shown in Figure 1, specifically showing a three-dimensional schematic diagram when the upper shell, the eject lever, and the lower shell are separated from each other, and of course the shape of the switch terminal;

Figure 5 is a diagram showing the positional relationship between the card holder in the card connector shown in Figure 1 after being inserted into the terminal module and the card ejecting module. It is shown from a top view angle. At the same time, for clear display, the metal shell, electronic card and terminal assembly are removed ；

Fig. 6 is an enlarged view of the part inside the dashed frame in Fig. 5;

Fig. 7 is a three-dimensional schematic diagram of the card connector shown in Fig. 1 when the eject lever pushes the card tray backward to push out the electronic module.

Fig. 8 is an enlarged view of the part inside the dashed frame in Fig. 7;

Figure 9 is a cross-sectional view taken from line A-A in Figure 1. In order to show clearly, only the part of the plug-in interface position is cut and enlarged for display, mainly showing the relative positional relationship between the card eject module, the circuit board, and the tray;

Figure 10 is a perspective view of a second embodiment of the card connector of the present invention;

Figure 11 is a partial perspective exploded view of the card connector shown in Figure 1, which shows a perspective schematic view of the card holder when it is removed from the terminal module;

Fig. 12 is a three-dimensional schematic diagram of the card connector shown in Fig. 11 viewed from another angle;

Figure 13 is a perspective exploded view of the card holder of the card connector shown in Figure 10;

14 is a three-dimensional exploded view of the card ejection module of the card connector of the present application, specifically showing a three-dimensional schematic diagram when the upper shell, the ejecting lever, and the lower shell are separated from each other, and of course the form of the switch terminal module;

FIG. 15 is a three-dimensional schematic diagram of the card ejecting module shown in FIG. 14 viewed from another angle;

Figure 16 is a top view of the card connector of the present application shown in Figure 10;

Figure 17 is an enlarged view of the part inside the dashed circle in Figure 11;

Fig. 18 is an enlarged view of the part inside the dashed circle in Fig. 12.

Detailed ways

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with specific embodiments and drawings.

Hereinafter, the first embodiment of the card connector of the present invention will be described with reference to FIGS. 1 to 9. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict.

In the description of the present invention, it should be noted that the terms "installed", "connected", and "connected" should be understood in a broad sense unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this design can be understood under specific circumstances.

In the description of the present invention, it should be understood that the terms "including" and "having" and any variations of them used herein are intended to cover non-exclusive inclusions, for example, a process that includes a series of steps or units, The method, system, product, or device need not be limited to those clearly listed steps or units, but may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or devices.

In order to make the description of the present invention more accurate, please refer to Figure 1 for all directions involved, where the X-axis extension direction (that is, the width direction of the card connector) is the left and right direction, and the X-axis positive direction is the right; where The Y-axis extension direction (that is, the insertion and removal direction of the card tray 3) is the front and rear direction, and the Y-axis positive direction is forward; the Z-axis extension direction (that is, the thickness direction of the circuit board 5) is the up-down direction, and the Z-axis is positive Upward.

Please refer to FIG. 1 to FIG. 9. The present application discloses a card connector including a terminal module 1, a circuit board 5, a card ejection module 3 that cooperates with the terminal module 1 and a card holder 3. The terminal module 1 includes a terminal assembly 12 (refer to FIG. 9) and a metal shell 11 matched with the terminal assembly 12. The terminal assembly 12 includes an insulator (not shown) and a plurality of conductive terminals (not shown) fixed to the insulator. The metal shell 11 is arranged above the periphery of the terminal assembly 12, the terminal module 1 is welded and fixed on the surface of the circuit board 5, and the terminal module 1 is jointly defined by the terminal assembly 12 and the metal shell 11 to form an accommodation space 10 In addition, a plug-in interface 101 is formed at the rear end, and the plug-in interface 101 is used for inserting the card tray 2 carrying the electronic card 4, and the containing space 10 is used to accommodate the card tray 2 carrying the electronic card 4.

In this embodiment, the card tray 2 is a three-in-one card tray 2, which can simultaneously carry three electronic cards 4, which are a T-flash card (Micro SD card) and two Nano Sim cards, respectively. Of course, it can be any other Cato form.

In this embodiment, the terminal assembly 12 is in the form of a tofu block, that is to say, the insulator and the conductive terminal are integrally formed to form a separate terminal assembly 12. The terminal assembly 12 is independently welded and fixed on the surface of the circuit board 5, and the metal shell 11 is covered with Above the terminal assembly 12, side plates (not labeled) are formed on both sides and the front end of the metal shell 11 and fixed on the surface of the circuit board 5 by welding. Of course, in other embodiments, the terminal assembly 12 can also be designed to be integrated on the lower surface of the metal housing 11, and welded and fixed to the surface of the circuit board 5 by side plates (not labeled) formed at the two sides and front end of the metal housing 11. At this time, the accommodating space 10 is formed by the interval between the terminal assembly 12 and the surface of the circuit board 5. Of course, in other embodiments, the metal shell 11 can also be buckled with the insulator of the terminal assembly 12 to form a module and be welded and fixed to the surface of the circuit board 5. In this application, the shape of the terminal module 1 is not too limited.

Please refer to Figures 2 to 4, the card ejecting module 3 is located at the insertion interface 101 of the terminal module 1, the card ejecting module 3 includes a metal frame 31 and a card ejecting lever 32, the card ejecting lever 32 is pivotally connected In the metal frame 31, when one end of the ejection lever 32 is pushed backward, the ejection lever 32 can rotate about the pivotal position with the metal frame 31 as a rotation axis, and the other end of the ejection lever 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 eject lever 32 is pivotally connected between the top plate 3111 and the bottom plate 3121. The metal frame 3 includes an upper shell 311 and a lower shell 312. The upper shell 311 forms the top plate 3111, and the lower shell 312 forms the bottom plate 3121. In this application, the rear edge of the upper shell 311 is bent to the lower shell 312 to form the rear plate 3112. The front edge of the lower shell 312 is bent to the upper shell 311 to form a front plate 3122. The rear end plate 3112 is correspondingly welded and fixed to the lower shell 312, and the front end plate 3122 is correspondingly welded and fixed to the upper shell 311. The top plate 3111, the bottom plate 3121, the rear plate 3112, and the front plate 3122 jointly form an accommodating cavity (not labeled), and the eject lever 32 is pivotally accommodated in the accommodating cavity.

Of course, in other embodiments, the rear end plate 3112 may also be formed by bending the front edge of the upper shell 311 to the lower shell 312, and the front end plate 3122 may also be formed by bending the rear edge of the lower shell 312 to the upper shell 311 to form a front end.板3122.

Please refer to FIG. 3 in combination with FIG. 4. As shown in FIG. 3, in the present application, the card ejection lever 32 is arranged horizontally, and the rear end plate 3112 is formed in the front and rear direction corresponding to the two ends of the card ejection lever 32. When the eject lever 32 rotates, both ends of the eject lever 32 can respectively protrude backward from the relief opening 3110.

In this embodiment, the circuit board 5 is recessed downward at the position of the plug-in interface 101 of the terminal module 1 to form a relief space 51, and the card ejection module 3 is accommodated in the relief space 51 and is fixed to the circuit board 5. . Specifically, the upper shell 311 and/or the lower shell 312 are formed with welding pieces 301 at both ends in the left and right direction, and the front ends of the upper shell 311 and/or the lower shell 312 are formed with welding pieces 302. The

welding pieces

301, 302 is directly or indirectly fixed to the surface of the circuit board 5.

Of course, in other embodiments, the card eject module 3 can also be designed to be fixed or integrated with the metal housing 11, specifically: the upper housing 311 and/or the lower housing 312 are fixed or integrated with the metal housing 11. When the upper shell 311, the lower shell 312, and the metal shell 11 are integrated, the rear end of the upper shell 311 can be bent downward and toward the card insertion direction to form the lower shell 312. The side position is integrated with the metal casing 11, or the front end position or the left and right sides of the lower casing 312 are integrated with the metal casing 11. Similar variants are acceptable. The principle is to form an accommodating cavity for accommodating the card ejection lever 32; at the same time, it is necessary to ensure that the card ejection module 3 is located at the front end of the insertion interface 101 of the terminal module, and the card ejection module 3 needs to be located in the card tray 2. Below.

The card holder 2 is inserted forward into the accommodating space 10 through the insertion interface 101, the lower surface of the rear end position of the card holder 2 protrudes to form a card ejection portion 21, and the card ejection portion 21 forms a card ejection surface facing the front end direction. 210. The card ejecting surface 210 is matched with the card ejecting lever 32. The card connector further includes a switch terminal module. The switch terminal module includes a movable terminal 61 and a fixed terminal 62 that cooperates with the movable terminal 61 to realize a switch function. And an insulating block 63, the movable terminal 61 is formed by bending a metal frame 31, the fixed terminal 62 is fixed to the insulating block 63, and the insulating block 63 is fixed to the metal frame 31. In the present application, the movable terminal 61, the fixed terminal 62, and the insulating block 63 are all fixed in the accommodating cavity, and the rear end of the movable terminal 61 is formed with a triggering portion 611 protruding backwards out of the accommodating cavity. The portion 611 cooperates with the card ejecting surface 210.

Please refer to FIG. 9, when the card tray 2 is completely inserted into the accommodating space 10, the lower surface of the card ejecting portion 21 is lower than the upper surface of the metal frame 31, when the card tray 2 is inserted forward, the card is ejected The portion 21 can be held against the metal frame 31 to achieve a stop.

In this way, the card ejection module 3 is set at the position of the plug-in interface 101 of the terminal module 1, and the metal frame 31 is designed with an accommodating cavity, so that the card ejection lever 32 and the switch terminal module can be well received therein, which plays a protective role , The card ejecting action is smooth and durable, and it can also prevent the card ejecting lever 32 from being inserted between the card holder 2 and the terminal assembly 12 by mistake.

In addition, please refer to FIGS. 10 to 18 to describe the second embodiment of the card connector of the present invention. In this embodiment, the card connector also includes a terminal module 1'and a card ejecting module 3'matched with the terminal module 1'. The terminal module 1'includes a terminal assembly (not shown) and a housing assembly 11' matched with the terminal assembly. The terminal assembly includes an insulator (not shown) and a plurality of conductive terminals (not shown) fixed to the insulator. The terminal module 1'is provided with a receiving space 10' and forms a plug-in interface 101'. The card ejecting module 3'is located at the position of the plug-in interface 101' of the terminal module 1'. The card connector also includes a card tray 2'. The card holder 2'forms a card accommodating space 20'. The card tray 2'is used to carry at least one electronic card (not shown) and insert it into the containing space 10' through the insertion interface 101'. The card tray 2'is integrally formed with a card ejection trigger portion 242', the card ejection trigger portion 242' cooperates with the card ejection module 3', and the card ejection trigger portion 242' is aligned with the card accommodating space along the up and down direction 20' is at least partially overlapped (in this embodiment, the card ejecting trigger portion 242' completely overlaps with the card accommodating space 20' in the up and down direction).

Please refer to Figure 11, Figure 14 and Figure 15, the card connector further includes a switch terminal module 4', the card holder 2'is integrally formed with a switch trigger portion 241', the switch trigger portion 241' and The switch terminal module 4'cooperates to realize the switch function. The switch trigger portion 241' at least partially overlaps with the card space 20' in the up and down direction (in this embodiment, the switch trigger portion 241' is in the up and down direction with the card The space 20' completely overlaps).

As shown in FIGS. 11 to 13 and 16 to 18, the card holder 2'includes a frame portion 23' and a metal piece 24' integrally fixed with the frame portion 23'. The card ejection trigger portion 242' and/or the switch trigger portion 241' are formed by extending the metal member 24'. In this embodiment, the card ejection triggering portion 242' and the switch triggering portion 241' are formed by directly extending the metal member 24'. Specifically, the switch triggering portion 241' is formed by directly extending backwards from the metal piece 24', and the card ejecting triggering portion 242' is formed by folding the metal piece 24' and stacking in the up and down direction. Along the vertical direction, the switch triggering portion 241' and the card ejecting triggering portion 242' are both located below the card accommodating space 20'.

As shown in FIGS. 11 to 18, the metal member 24' includes a fixed portion 243' embedded in the frame portion 23' and a protruding portion 244' protruding to the outside of the frame portion 23'. The card accommodating space 20' is surrounded and formed by the frame portion 23' and at least a part of the protruding portion 244'. The switch triggering portion 241' and the card ejecting triggering portion 242' are both located at the rear end of the card receiving space 20' along the insertion direction of the card holder 2'. The switch trigger portion 241' and the card ejection trigger portion 242' are spaced in the left-right direction and form a gap 240' therebetween. The gap 240' gives way to a part of the structure of the card eject module 3'.

Please refer to Figures 11 to 18, the card ejection module 3'includes a metal frame 31' and a card ejection lever 32'. The card ejection lever 32' is pivotally connected to the metal frame 31' and inserted into the card tray 2' When one end of the card ejection lever 32' is pushed in the direction, the card ejection lever 32' can rotate about the pivotal position with the metal frame 31' as the rotation axis, and the other end of the card ejection lever 32' is pulled out toward the card holder 2' Moving in the exit direction, the other end of the card ejection lever 32' is matched with the card ejection trigger portion 242', and along the up and down direction, the card ejection lever 32' at least partially overlaps with the card accommodating space 20'. The metal frame 31' includes a top plate 3111' and a bottom plate 3121' opposite to the top plate 3111', and the eject lever 32' is pivotally connected between the top plate 3111' and the bottom plate 3121'. The switch terminal module 4'includes a movable terminal 41', a fixed terminal 42' that cooperates with the movable terminal 41' and an insulating block 43'. The movable terminal 41' is formed by bending a metal frame 31'. The fixed terminal 42' is an independent member and is fixed to the insulating block 43'. The insulating block 43' is fixed between the top plate 3111' and the bottom plate 3121'. A contact portion 411' is formed at the rear end of the movable terminal 41' along the card holder insertion direction. The contact portion 411' cooperates with the switch trigger portion 241'. After the card tray 2'is inserted into the accommodating space 10', in the up and down direction, the switch trigger portion 241' and/or the card ejection trigger portion 242' at least partially overlap with the card ejection module 3'. In this embodiment, the switch triggering portion 241' and the card ejecting triggering portion 242' at least partially extend into the card ejecting module 3'. The insulating block 43' is at least partially contained in the gap 340'.

The rear end position of the metal frame 31' forms a rear end plate 301', the front end position of the metal frame 31' forms a front end plate 302', and the eject lever 32' is limited to the rear end plate 301' in the vertical direction Between the front end plate 302' and the front end plate 302', the rear end plate 301' corresponds to the two ends of the ejection lever 32' in the front and rear direction to form a relief opening 3011'. When the ejection lever 32' rotates, the ejection lever 32 Both ends of the 'can respectively protrude from the relief opening 3011' in the pulling direction of the card tray 2'. In this embodiment, the position of the rear end plate 301' corresponding to the switch trigger portion 241' also forms a relief opening 3011'. The switch trigger portion 241' extends into the card ejecting module 3'through the relief opening 3011', and in the process pushes against the contact portion 411' of the terminal 41', thereby triggering the movable terminal 41' and the fixed terminal 42' The switch function to realize the detection of whether the card tray 2'is inserted in place.

14 and 15, the metal frame 31' includes an upper shell 311' and a lower shell 312', the upper shell 311' forms the top plate 3111', and the lower shell 312' forms the bottom plate 3121', the rear end plate 301' is formed by extending the rear end of the upper shell 311' or the lower shell 312' (in this embodiment, the rear end plate 301' is formed on the lower shell 312'). The front end plate 302' is formed by extending the front end of the upper shell 311' or the lower shell 312' (in this embodiment, the front end plate 302' is formed on the upper shell 311'). The upper shell 311' and the lower shell 312' are fixed to each other at both ends in the left-right direction; of course, the upper shell 311' and the lower shell 312' may be fixed to each other at the front end positions of the card holder 2'in the insertion direction; Of course, it is also possible that the upper shell 311' and the lower shell 312' are fixed to each other at the rear end positions of the card tray 2'in the insertion direction. In addition, in one of the specific embodiments, the front end and the left and right sides of the lower shell 312' along the card holder insertion direction are respectively formed with welding pieces 314', and the welding pieces 314' correspond to those of the upper shell 311'. The position is pasted and fixed by spot welding connection.

Please refer to FIGS. 10 to 18, the card connector further includes a circuit board 5', the terminal module 1'is fixed on the upper surface of the circuit board 5', and the circuit board 5'is inserted into the terminal module 1' The position of the interface 101' is recessed downward to form a relief space (in this embodiment, specifically, the circuit board 5'forms a notch-like structure at the rear edge of the card holder 2'in the insertion direction. Of course, it can also be so The circuit board 5'forms a through-hole structure that penetrates in the vertical direction at the rear end position of the card holder 2'in the insertion direction). The card eject module 3'is accommodated in the vacant space and fixed to the circuit board 5'. Specifically, it may be that at least one end of the upper shell 311' and/or the lower shell 312' in the width direction is formed with The welding piece 313' is directly or indirectly fixed to the surface of the circuit board 5'; it can also be that the metal frame 31' forms a welding piece 313' at the front end of the metal frame 31' along the insertion direction of the tray 2'. The sheet 313' is directly or indirectly fixed to the surface of the circuit board 5'.

Of course, in other implementations of this embodiment, the upper shell 311' and/or the lower shell 312' may be designed to be integrated with the housing assembly 11'.

In the first and second embodiments of the present invention, the card eject modules 3, 3'are arranged at the positions of the plug-in interfaces 101, 101' of the

terminal modules

1, 1', and the metal frames 31, 31' are designed with The accommodating cavity can make the ejection lever 32, 32' and the switch terminal module can be well contained therein, play a protective role, the card ejection action is smooth and durable, and can prevent the ejection lever 22 from being inserted into the card tray 2 by mistake , 2'and the terminal assembly 12. At the same time, the card ejection modules 3 and 3'are designed to be located below the trays 2 and 2', so that the circuit board can be more rationally laid out, the integration level is improved, and the miniaturization is facilitated.

In addition, in the second embodiment of the present invention, a switch trigger portion 241' and a card ejection trigger portion 242' are formed on the card holder 2', and correspondingly cooperate with the card ejection module 3'to cooperate with each other and coordinate with the positional relationship. The design of the card connector further makes the structural layout within the area of the card connector compact, improves the integration level, and is conducive to miniaturization.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. Without departing from the spirit and scope of the technical solution of the present invention.

Claims

A card connector includes a terminal module and a card eject module matched with the terminal module. The terminal module includes a terminal assembly and a metal shell matched with the terminal assembly. The terminal assembly includes an insulator and a plurality of fixed to the insulator A conductive terminal, the terminal module is provided with an accommodating space for accommodating the electronic card and forming an insertion interface for the electronic card to be inserted, and is characterized in that the card eject module is located at the insertion interface position of the terminal module.
The card connector of claim 1, wherein the card ejection module comprises a metal frame and a card ejection lever, the card ejection lever is pivotally connected to the metal frame, and pushes the card ejection lever toward the insertion direction of the card holder When one end is used, the card ejection lever can rotate about the pivotal position with the metal frame as the rotation axis, and the other end of the card ejection lever moves in the direction of pulling out the card holder.
3. The card connector according to claim 2, wherein the metal frame includes a top plate and a bottom plate opposite to the top plate, and the card ejection lever is pivotally connected between the top plate and the bottom plate.
The card connector according to claim 3, wherein the rear end of the metal frame forms a back end plate, the front end of the metal frame forms a front end plate, and the card ejection lever is located between the rear end plate and the front end. Between the plates, the rear end plate corresponding to the two ends of the ejection lever in the front and rear direction forms a relief opening. When the ejection lever rotates, the two ends of the ejection lever can respectively protrude backward from the relief opening. Out.
The card connector according to claim 4, wherein the metal frame includes an upper shell and a lower shell, the upper shell forms the top plate, the lower shell forms the bottom plate, and the back end plate is formed by The rear end of the upper shell or the lower shell is formed by extending, and the front end plate is formed by extending the front end of the upper shell or the lower shell.
The card connector according to claim 5, wherein the upper and lower shells are fixed to each other at both ends in the left and right direction and/or the upper and lower shells are fixed to each other at the front end positions, and the upper shell and the lower shell are fixed to each other at the front end positions. The shell or the lower shell is fixed with the metal shell, or the upper shell or the lower shell is integrated with the metal shell.
The card connector according to claim 3, wherein the insertion interface positions of the metal frame and the metal shell are fixed or integrated with each other.
3. The card connector of claim 2, wherein the card connector further comprises a circuit board, the terminal module is fixed on the surface of the circuit board, and the circuit board is recessed downwardly at the insertion port of the terminal module Recessing space, the card ejecting module is accommodated in the relieving space and fixed to the circuit board, or the card ejecting module is accommodated in the relieving space and fixed to the metal shell, or the card ejecting module The metal frame is contained in the space and is integrated with the metal shell. The metal frame forms a welding piece on both sides along the card insertion direction. The front end of the metal frame along the card insertion direction forms a welding piece, and the welding piece directly or indirectly Fixed with the surface of the circuit board.
The card connector according to claim 2, wherein the card connector further comprises a card holder formed with a card-accommodating space, the card holder is used to carry at least one electronic card, and the card holder is provided with a plug-in interface Inserted into the accommodating space, the card holder is formed with a card ejection triggering portion, the card ejection triggering portion cooperates with the card ejection module, and the card ejection triggering portion at least partially overlaps with the card accommodating space in the up and down direction.
The card connector according to claim 9, wherein the card connector further comprises a switch terminal module, a switch trigger part is formed on the card holder, and the switch trigger part cooperates with the switch terminal module to realize Switch function, the switch trigger part at least partially overlaps with the card accommodating space in the up and down direction, the card holder includes a frame part and a metal piece integrally fixed with the frame part, the card eject trigger part and/or the switch trigger part It is formed by extending metal parts, and along the up and down direction, the switch triggering portion and the card ejecting triggering portion are both located below the card accommodating space.