Card Connectors

Abstract

A card connector includes a terminal module and a card ejection module matched with the terminal module, the terminal module includes a terminal assembly and a housing assembly matched with the terminal assembly, the terminal assembly includes an insulator and a plurality of conductive terminals fixed to the insulator, the terminal module is provided with a receiving space and forms an insertion interface, the card ejection module is located at the insertion interface of the terminal module, and further includes a card tray, the card tray forms a card receiving space, the card tray is used to carry at least one electronic card and then insert it into the receiving space through the insertion interface, a card ejection trigger portion is formed on the card tray, the card ejection trigger portion cooperates with the card ejection module to move, and the card ejection trigger portion overlaps at least partially with the card receiving space in the up and down direction. The card ejection action is smooth and more conducive to miniaturization.

Description

Technical Field

[0001] The present application relates to a card connector. Background Art

[0002] Mobile phones are one of the indispensable tools for people's lives in modern society. As people deal with more affairs, the functional requirements of mobile phones are getting higher and higher. A card connector is an electrical connector used to be installed on the circuit board of portable electronic devices such as mobile phones, which can realize signal transmission between electronic cards and portable electronic devices such as mobile phones. A card connector is generally provided with a card holder body, a card tray, a card ejection mechanism and a detection terminal module. The card tray is used to carry the electronic card and insert it into the card holder body, and the card ejection mechanism allows the card holder to exit the card holder body. The card ejection 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 rear end of the card holder body. In the prior art, when the card holder is ejected or inserted, the actuator will be inserted under the card holder, that is, the actuator is clamped by the card holder and the card holder body from top to bottom, which will damage the card holder body and the card holder. In addition, since the card ejection mechanism of this type of card connector in the prior art occupies a certain area in the transverse and longitudinal directions of the card connector, the overall volume of the card connector cannot be miniaturized.

[0003] Therefore, it is necessary to provide a new card connector to solve the above technical problems. Summary of the invention

[0004] The purpose of the present application is to provide a new card connector, which has a smooth card ejection action and is more conducive to miniaturization.

[0005] The purpose of this application is achieved through the following technical solutions:

[0006] A card connector comprises a terminal module and a card ejection module cooperating with the terminal module, the terminal module comprises a terminal assembly and a shell assembly cooperating with the terminal assembly, the terminal assembly comprises an insulator and a plurality of conductive terminals fixed to the insulator, the terminal module is provided with a accommodating space and forms an insertion interface, the card ejection module is located at the insertion interface position of the terminal module, and further comprises a card tray, the card tray forms a card accommodating space, the card tray is used to carry at least one electronic card and then insert it into the accommodating space through the insertion interface, a card ejection trigger portion is formed on the card tray, the card ejection trigger portion cooperates with the card ejection module to operate, and the card ejection trigger portion at least partially overlaps with the card accommodating space in the up and down directions.

[0007] Furthermore, the card connector also includes a switch terminal module, and a switch trigger portion is formed on the card tray. The switch trigger portion cooperates with the switch terminal module to realize a switch function, and the switch trigger portion at least partially overlaps with the card holding space in the up and down directions.

[0008] Furthermore, the card tray includes a frame portion and a metal part fixed integrally with the frame portion, the card ejection trigger portion and / or the switch trigger portion are formed by extending the metal part, and along the up and down directions, the switch trigger portion and the card ejection trigger portion are both located below the card holding space.

[0009] Further, when the card tray is inserted into the accommodating space, the switch trigger portion and / or the card ejection trigger portion at least partially overlaps with the card ejection module in the up-down direction.

[0010] Furthermore, the metal part includes a fixed part buried in the frame part and a protruding part protruding out of the frame part, the card holding space is formed by the frame part and at least part of the protruding part, the switch trigger part and the card ejection trigger part are both located at the rear end position of the card holding space along the card tray insertion direction, the switch trigger part and the card ejection trigger part are spaced apart in the left and right directions and a gap is formed between them, and the gap makes way for part of the structure of the card ejection module.

[0011] Furthermore, the switch trigger portion is formed by directly extending the metal piece backwards, and the card ejection trigger portion is formed by folding the metal piece and stacking it in an up-and-down direction.

[0012] Furthermore, the card ejection module includes a metal frame and a card ejection rod, the card ejection rod is pivotally connected to the metal frame, when one end of the card ejection rod is pushed in the direction of card tray insertion, the card ejection rod can rotate with the pivot position with the metal frame as the axis, and the other end of the card ejection rod moves in the direction of card tray removal, and the other end of the card ejection rod cooperates with the card ejection trigger part, and along the up and down direction, the card ejection rod at least partially overlaps with the card holding space.

[0013] Furthermore, the metal frame includes a top plate and a bottom plate opposite to the top plate, the card ejection rod is pivotally connected between the top plate and the bottom plate, the switch terminal module includes a movable terminal, a fixed terminal cooperating with the movable terminal, and an insulating block, the movable terminal is formed by bending the metal frame, the fixed terminal is an independent component and is fixed to the insulating block, the insulating block is fixed between the top plate and the bottom plate, and a contact portion is formed at the rear end position of the movable terminal along the card tray insertion direction, and the contact portion cooperates with the switch trigger portion.

[0014] Furthermore, the insulating block is at least partially accommodated in the spacing gap.

[0015] Furthermore, the rear end position of the metal frame forms a rear end plate, the front end position of the metal frame forms a front end plate, the card ejection rod is located between the rear end plate and the front end plate, and the rear end plate forms a clearance opening at the two end positions corresponding to the card ejection rod in the front and rear directions. When the card ejection rod rotates, the two ends of the card ejection rod can respectively protrude from the clearance opening in the direction of pulling out the card tray. The metal frame includes an upper shell and a lower shell, the upper shell forms the top plate, and the lower shell forms the bottom plate. The rear end plate is formed by extending the rear end position of the upper shell or the lower shell along the up and down direction, and the front end plate is formed by extending the front end position of the upper shell or the lower shell along the up and down direction. The upper shell and the lower shell are fixed to each other at both end positions 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 in the card tray insertion direction and / or the upper shell and the lower shell are fixed to each other at the rear end position in the card tray insertion direction.

[0016] Furthermore, it also includes a circuit board, the terminal module is fixed on the surface of the circuit board, the circuit board is recessed downward at the plug-in interface position of the terminal module to form a clearance space, the card ejection module is accommodated in the clearance space and fixed to the circuit board, or the card ejection module is accommodated in the clearance space and fixed to the housing assembly, or the card ejection module is accommodated in the clearance space and is integrated with the housing assembly.

[0017] Furthermore, welding pieces are formed on both sides of the metal frame along the card tray insertion direction, and a welding piece is formed at the front end of the metal frame along the card tray insertion direction, and the welding piece is directly or indirectly fixed to the surface of the circuit board.

[0018] Compared with the prior art, the present application has the following beneficial effects: the card withdrawal action is smooth and more conducive to miniaturization. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a stereoscopic diagram of the card connector of the present application. Furthermore, the card connector is assembled to a circuit board.

[0020] Figure 2 yes Figure 1 A partially exploded perspective view of the card connector is shown, showing a perspective schematic diagram of the card tray being removed from the terminal module.

[0021] Figure 3 yes Figure 2 A perspective schematic diagram of the card connector as viewed from another angle;

[0022] Figure 4 is a three-dimensional exploded view of a card tray of the card connector of the present application;

[0023] Figure 5 It 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 of the upper shell, the card ejection lever and the lower shell when they are separated from each other, and of course also showing the form of the switch terminal module;

[0024] Figure 6 yes Figure 5 The card return module is shown as a three-dimensional schematic diagram from another angle;

[0025] Figure 7 yes Figure 1 A top view of the card connector of the present application is shown;

[0026] Figure 8 yes Figure 2 The enlarged view of the part within the middle dotted circle;

[0027] Fig. 9 yes Figure 3 Enlarged view of the part within the dotted circle. DETAILED DESCRIPTION

[0028] The following will be combined Figures 1 to 9 The specific implementation of the card connector of the present application is introduced. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] In the description of the present application, it should be understood that the terms "including" and "having" and any variations thereof used herein are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0031] In order to make the description in this application more accurate, all directions should be referred to as Figure 1 For reference, the width direction of the card connector is defined as the left-right direction; the plug-in and pull-out direction of the card tray 3 is defined as the front-to-back direction, and the insertion direction of the card tray 3 is the front; the thickness direction of the circuit board 5 is defined as the up-down direction, and the side of the circuit board 5 on which the card connector is assembled is the top, and the back side is the bottom.

[0032] Please combine Figures 2 to 9, discloses a card connector of the present application, including a terminal module 1 and a card ejection module 2 matched with the terminal module 1. The terminal module 1 includes a terminal assembly (not shown) and a housing assembly 12 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 101 and forms an insertion interface 102. The card ejection module 2 is located at the insertion interface 102 of the terminal module 1. The card connector also includes a card tray 3. The card tray 3 forms a card receiving space 30. The card tray 3 is used to carry at least one electronic card (not shown) and then insert it into the receiving space 101 through the insertion interface 102. A card ejection trigger portion 342 is integrally formed on the card tray 3, and the card ejection trigger portion 342 cooperates with the card ejection module 2 to operate, and the card ejection trigger portion 342 at least partially overlaps with the card receiving space 30 in the up-down direction (in this embodiment, the card ejection trigger portion 342 completely overlaps with the card receiving space 30 in the up-down direction).

[0033] Please combine Figure 2 , Figure 5 and Figure 6 As shown, the card connector also includes a switch terminal module 4, and a switch trigger portion 341 is integrally formed on the card tray 3. The switch trigger portion 341 cooperates with the switch terminal module 4 to realize the switching function. The switch trigger portion 341 at least partially overlaps with the card holding space 30 along the up and down direction (in this embodiment, the switch trigger portion 341 completely overlaps with the card holding space 30 along the up and down direction).

[0034] Please combine Figures 2 to 4 and Figures 7 to 9 As shown, the card tray 3 includes a frame portion 33 and a metal member 34 integrally fixed to the frame portion 33. The card ejection trigger portion 342 and / or the switch trigger portion 341 are formed by extending the metal member 34. In this embodiment, the card ejection trigger portion 342 and the switch trigger portion 341 are both formed by directly extending the metal member 34. Specifically, the switch trigger portion 341 is formed by directly extending the metal member 34 backward, and the card ejection trigger portion 342 is formed by folding the metal member 34 and stacking it in the up-down direction. In the up-down direction, the switch trigger portion 341 and the card ejection trigger portion 342 are both located below the card holding space 30.

[0035] Please combine Figures 2 to 9As shown, the metal part 34 includes a fixed part 343 embedded in the frame part 33 and a protruding part 344 protruding out of the frame part 33. The card holding space 30 is formed by the frame part 33 and at least part of the protruding part 344. The switch trigger part 341 and the card ejection trigger part 342 are both located at the rear end of the card holding space 30 along the insertion direction of the card tray 3. The switch trigger part 341 and the card ejection trigger part 342 are arranged in a spaced relationship along the left-right direction and a gap 340 is formed between them, and the gap 340 makes way for a part of the structure of the card ejection module 2.

[0036] Please combine Figures 2 to 9 As shown, the card ejection module 2 includes a metal frame 21 and a card ejection rod 22, the card ejection rod 22 is pivoted to the metal frame 21, when one end of the card ejection rod 22 is pushed in the direction of inserting the card tray 3, the card ejection rod 22 can rotate with the pivot position with the metal frame 21 as the rotation axis, and the other end of the card ejection rod 22 moves in the direction of pulling out the card tray 3, and the other end of the card ejection rod 22 cooperates with the card ejection triggering portion 342, and along the up and down direction, the card ejection rod 22 at least partially overlaps with the card holding space 30. The metal frame 21 includes a top plate 2111 and a bottom plate 2121 opposite to the top plate 2111, and the card ejection rod 22 is pivoted between the top plate 2111 and the bottom plate 2121. The switch terminal module 4 includes a moving terminal 41, a fixed terminal 42 that cooperates with the moving terminal 41 to move, and an insulating block 43. The moving terminal 41 is formed by bending the metal frame 21. The fixed terminal 42 is an independent component and is fixed to the insulating block 43. The insulating block 43 is fixed between the top plate 2111 and the bottom plate 2121. A contact portion 411 is formed at the rear end of the movable terminal 41 along the card tray insertion direction. The contact portion 411 cooperates with the switch trigger portion 341. When the card tray 3 is inserted into the accommodating space 101, the switch trigger portion 341 and / or the card ejection trigger portion 342 at least partially overlap with the card ejection module 2 in the up-down direction. In this embodiment, the switch trigger portion 341 and the card ejection trigger portion 342 at least partially extend into the card ejection module 2. The insulating block 43 is at least partially accommodated in the spacing gap 340.

[0037] The rear end position of the metal frame 21 forms a rear plate 201, and the front end position of the metal frame 21 forms a front plate 202. The card ejection rod 22 is limited between the rear plate 201 and the front plate 202 in the up-down direction. The rear plate 201 forms a clearance opening 2011 at the two end positions corresponding to the card ejection rod 22 in the front-back direction. When the card ejection rod 22 rotates, the two ends of the card ejection rod 22 can protrude from the clearance opening 2011 in the direction of pulling out the card tray 3. In this embodiment, the rear plate 201 is also formed with a clearance opening 2011 at a position corresponding to the switch triggering part 341. The switch triggering part 341 extends into the card ejection module 2 through the clearance opening 2011, and in this process pushes against the contact part 411 of the terminal 41, thereby triggering the switch function of the movable terminal 41 and the fixed terminal 42, so as to detect whether the card tray 3 is inserted in place.

[0038] Please combine Figure 5 and Figure 6 As shown, the metal frame 21 includes an upper shell 211 and a lower shell 212, wherein the upper shell 211 forms the top plate 2111, and the lower shell 212 forms the bottom plate 2121. The rear end plate 201 is formed by extending from the rear end of the upper shell 211 or the lower shell 212 (in this embodiment, the rear end plate 201 is formed on the lower shell 212). The front end plate 202 is formed by extending from the front end of the upper shell 211 or the lower shell 212 (in this embodiment, the front end plate 202 is formed on the upper shell 211). The upper shell 211 and the lower shell 212 are fixed to each other at both ends in the left-right direction; of course, the upper shell 211 and the lower shell 212 are fixed to each other at the front end in the insertion direction of the card tray 3; of course, the upper shell 211 and the lower shell 212 are fixed to each other at the rear end in the insertion direction of the card tray 3. In addition, in a specific embodiment, welding pieces 214 are formed at the front end and left and right sides of the lower shell 212 along the card tray insertion direction, and the welding pieces 214 are attached to the corresponding positions of the upper shell 211 and fixed by spot welding.

[0039] Please combine Figures 1 to 9As shown, the card connector also 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 recessed downward at the position of the plug interface 102 of the terminal module 1 to form a clearance space (in this embodiment, specifically, the circuit board 5 forms a notch-shaped structure at the rear end edge position of the card tray 3 in the insertion direction. Of course, it can also be that the circuit board 5 forms a through-hole-shaped structure that penetrates in the up-down direction at the rear end position of the card tray 3 in the insertion direction). The card ejection module 2 is accommodated in the clearance space and fixed to the circuit board 5. Specifically, it can be: the upper shell 211 and / or the lower shell 212 are formed with a welding piece 213 at at least one end in the width direction, and the welding piece 213 is directly or indirectly fixed to the surface of the circuit board 5; it can also be: the front end of the metal frame 21 along the insertion direction of the card tray 3 forms a welding piece 213, and the welding piece 213 is directly or indirectly fixed to the surface of the circuit board 5.

[0040] Of course, in other embodiments, the upper shell 211 and / or the lower shell 212 may be designed to be integrated with the housing assembly 12 .

[0041] In the present application, the card ejection module 2 is arranged at the position of the plug-in interface 102 of the terminal module 1, and the metal frame 21 is designed with a receiving cavity, so that the card ejection rod 22 and the switch terminal can be well accommodated therein, which plays a protective role, and the card ejection action is smooth and durable. Prevent the card ejection rod 22 from being inserted into the space between the card tray 3 and the terminal assembly by mistake. In addition, the card ejection module 2 is designed to be located below the card tray, which can more reasonably layout the circuit board, improve the integration, and facilitate miniaturization. In addition, a switch trigger part 341 and a card ejection trigger part 342 are formed on the card tray 3, and they cooperate with the card ejection module 2 accordingly. At the same time, the design of the positional relationship further makes the structural layout in the area of ​​the card connector compact, improves the integration, and facilitates miniaturization.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A card connector, comprising a terminal module and a card ejection module matched with the terminal module, the terminal module comprising a terminal assembly and a housing assembly matched with the terminal assembly, the terminal assembly comprising an insulator and a plurality of conductive terminals fixed to the insulator, the terminal module being provided with a receiving space and forming an insertion interface, the card ejection module being located at the insertion interface of the terminal module, characterized in that: The card tray also includes a card tray, the card tray forms a card storage space, the card tray is used to carry at least one electronic card and then insert it into the storage space through the insertion interface, a card ejection trigger portion is formed on the card tray, the card ejection trigger portion cooperates with the card ejection module, and the card ejection trigger portion at least partially overlaps with the card storage space in the up and down direction; The card connector further includes a switch terminal module, a switch trigger portion is formed on the card tray, the switch trigger portion cooperates with the switch terminal module to realize a switch function, and the switch trigger portion at least partially overlaps with the card holding space in the up and down direction; The card tray includes a frame portion and a metal piece fixed to the frame portion as a whole, the card ejection trigger portion and / or the switch trigger portion are formed by extending the metal piece, and along the up and down direction, the switch trigger portion and the card ejection trigger portion are both located below the card holding space; The metal part includes a fixed part buried in the frame part and a protruding part protruding out of the frame part. The card holding space is formed by the frame part and at least part of the protruding part. The switch trigger part and the card ejection trigger part are both located at the rear end position of the card holding space along the card tray insertion direction. The switch trigger part and the card ejection trigger part are spaced apart in the left-right direction and a gap is formed between them. The gap makes way for part of the structure of the card ejection module.

2. The card connector according to claim 1, wherein: When the card tray is inserted into the accommodating space, the switch trigger portion and / or the card ejection trigger portion at least partially overlaps with the card ejection module along the up and down direction.

3. The card connector according to claim 1, wherein: The switch triggering portion is formed by the metal piece extending directly backwards, and the card ejection triggering portion is formed by the metal piece being folded back and stacked in an up-and-down direction.

4. The card connector according to claim 1, wherein: The card ejection module includes a metal frame and a card ejection rod, wherein the card ejection rod is pivotally connected to the metal frame. When one end of the card ejection rod is pushed in the direction of inserting the card tray, the card ejection rod can rotate with the pivot position with the metal frame as the rotation axis, and the other end of the card ejection rod moves in the direction of pulling out the card tray. The other end of the card ejection rod cooperates with the card ejection trigger portion, and along the up and down direction, the card ejection rod at least partially overlaps with the card holding space.

5. The card connector according to claim 4, wherein: The metal frame includes a top plate and a bottom plate opposite to the top plate, the card ejection rod is pivotally connected between the top plate and the bottom plate, the switch terminal module includes a movable terminal, a fixed terminal that cooperates with the movable terminal and an insulating block, the movable terminal is formed by bending the metal frame, the fixed terminal is an independent component and is fixed to the insulating block, the insulating block is fixed between the top plate and the bottom plate, and a contact portion is formed at the rear end position of the movable terminal along the card tray insertion direction, and the contact portion cooperates with the switch trigger portion.

6. The card connector according to claim 5, wherein: The insulating block is at least partially accommodated in the spacing gap.

7. The card connector according to claim 5, wherein: The rear end position of the metal frame forms a rear end plate, the front end position of the metal frame forms a front end plate, the card ejection rod is located between the rear end plate and the front end plate, and the rear end plate forms a clearance opening at the two end positions of the card ejection rod in the front and rear directions. When the card ejection rod rotates, the two ends of the card ejection rod can respectively protrude from the clearance opening in the direction of pulling out the card tray. The metal frame includes an upper shell and a lower shell, the upper shell forms the top plate, and the lower shell forms the bottom plate. The rear end plate is formed by extending the rear end position of the upper shell or the lower shell along the up and down direction, and the front end plate is formed by extending the front end position of the upper shell or the lower shell along the up and down direction. The upper shell and the lower shell are fixed to each other at both end positions 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 in the card tray insertion direction and / or the upper shell and the lower shell are fixed to each other at the rear end position in the card tray insertion direction.

8. The card connector according to claim 4, wherein: It also includes a circuit board, the terminal module is fixed on the surface of the circuit board, the circuit board is recessed downward at the plug-in interface of the terminal module to form a clearance space, the card ejection module is accommodated in the clearance space and fixed to the circuit board, or the card ejection module is accommodated in the clearance space and fixed to the housing assembly, or the card ejection module is accommodated in the clearance space and is integrated with the housing assembly.

9. The card connector according to claim 4, wherein: The metal frame forms welding pieces on both sides along the card tray insertion direction, and the front end of the metal frame forms welding pieces along the card tray insertion direction, and the welding pieces are directly or indirectly fixed to the circuit board surface.

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