Card connector
Technical Field
The application relates to a card connector.
Background
The mobile phone is one of the indispensable tools for life of people in the modern society, and the requirements on functions of the mobile phone are higher and higher along with the increase of transactions processed by people. The card connector is an electric connector which is used for being arranged on a circuit board of portable electronic equipment such as a mobile phone and the like and can realize signal transmission between the electronic card and the portable electronic equipment such as the mobile phone and the like. The card connector is generally provided with a card holder body, a card holder, a card withdrawing mechanism and a detection terminal module. The card support is used for bearing the electronic card to be inserted into the card seat body, and the card withdrawing mechanism enables the card support to withdraw from the card seat body. The card ejecting 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 at the side edge of the card seat body and is linked with the executing piece. The detection terminal module of the card connector is generally arranged at the rear end of the card seat body. In the prior art, the card holder is in the in-process of moving back the card or inserting the card, and the condition of inserting the card holder below can appear in the executive component, namely the executive component is held by card holder and cassette body from top to bottom, so can damage cassette body and card holder. In addition, such a card connector in the prior art occupies a certain area of the card connector in the transverse and longitudinal directions, so that the overall size of the card connector cannot be miniaturized.
Accordingly, there is a need to provide a new card connector that solves the above-mentioned problems.
Disclosure of Invention
The application provides a new card connector, which has smooth card withdrawing action and is more beneficial to miniaturization.
The aim of the application is achieved by the following technical scheme:
the utility model provides a card connector, includes the terminal module and with terminal module complex moves back the card module, the terminal module include the terminal subassembly and with terminal subassembly complex shell subassembly, the terminal subassembly include the insulator and with the fixed a plurality of conductive terminal of insulator, the terminal module is equipped with accommodation space and forms the interface, move back the card module and be located the interface position of terminal module, still include the card support, the card support forms the card space, insert accommodation space through the interface after being used for bearing at least one electronic card, be formed with on the card support and move back the card trigger part, move back the card trigger part and move back the cooperation of card module, move back the card trigger part along upper and lower direction and hold the card space at least partially overlap.
Further, the card connector further comprises a switch terminal module, a switch triggering part is formed on the card support, the switch triggering part and the switch terminal module cooperate to realize a switch function, and the switch triggering part is at least partially overlapped with the card accommodating space along the up-down direction.
Further, the card support comprises a frame part and a metal piece integrally fixed with the frame part, the card withdrawing trigger part and/or the switch trigger part are/is formed by extending the metal piece, and the switch trigger part and the card withdrawing trigger part are located below the card accommodating space along the up-down direction.
Further, after the card holder is inserted into the accommodating space, the switch triggering part and/or the card withdrawing triggering part at least partially overlaps the card withdrawing module along the up-down direction.
Further, the metalwork is including burying in the fixed part and the bulge outside the frame part in the frame part, hold the card space and enclose jointly by frame part and at least partial bulge and establish and form, switch trigger part and move back the rear end position along card support direction of inserting that the card trigger part all is located holds the card space, switch trigger part and move back the card trigger part along controlling the direction interval setting and form the interval vacancy between the interval vacancy, the interval vacancy is yielded and is moved back the partial structure of card module.
Further, the switch triggering part is formed by directly extending the metal piece backwards, and the card withdrawing triggering part is formed by reversely folding the metal piece and stacking the metal piece along the up-down direction.
Further, move back the card module and include the metal frame and move back the card pole, move back the card pole pivot in the metal frame, when pushing to card support insertion direction move back card pole one end, move back the card pole and can use the pin joint position with the metal frame as the pivot rotation, move back the other end of card pole to card support extraction direction motion, move back the other end of card pole with move back card trigger part cooperation, along the upper and lower direction, move back the card pole at least part and hold the card space overlap.
Further, the metal frame includes roof and the bottom plate relative with the roof, move back the card pole by the pin joint between roof and bottom plate, the switch terminal module includes movable terminal, with movable terminal cooperation fixed terminal and insulating piece, movable terminal is bent by the metal frame and forms, fixed terminal is independent component and is fixed in the insulating piece, the insulating piece is fixed in between roof and the bottom plate, movable terminal is formed with contact portion along the rear end position of card support direction of inserting, contact portion with switch trigger portion cooperation.
Further, the insulating block is at least partially received within the spacing void.
Further, the rear end position of the metal frame forms the rear end plate, the front end position of the metal frame forms the front end plate, the back clamping rod is located between rear end plate and the front end plate, the rear end plate respectively forms the abdication mouth in the front-back direction corresponding to the both ends position of the back clamping rod, when the back clamping rod rotates, the both ends of the back clamping rod can respectively protrude out of the abdication mouth in the pulling-out direction of the clamping support, the metal frame comprises an upper shell and a lower shell, the upper shell forms the top plate, 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-down direction, the front end plate is formed by extending the front end position of the upper shell or the lower shell along the up-down direction, the both ends positions of the upper shell and the lower shell in the left-right direction are mutually fixed and/or the front end positions of the upper shell and the lower shell in the clamping support inserting direction are mutually fixed and/or the rear end positions of the upper shell and the lower shell in the clamping support inserting direction are mutually fixed.
Further, the circuit board is further included, the terminal module is fixed on the surface of the circuit board, the circuit board is sunken downwards at the position of the plug-in port of the terminal module to form a space of stepping down, the card withdrawing module is contained in the space of stepping down and is mutually fixed with the circuit board, or the card withdrawing module is contained in the space of stepping down and is fixed with the shell assembly, or the card withdrawing module is contained in the space of stepping down and is integrated with the shell assembly.
Further, welding sheets are formed on two sides of the metal frame along the inserting direction of the card holder, welding sheets are formed on the front end of the metal frame along the inserting direction of the card holder, and the welding sheets are directly or indirectly fixed with the surface of the circuit board.
Compared with the prior art, the application has the advantages that the card withdrawing action is smooth and is more beneficial to miniaturization.
Drawings
Fig. 1 is a perspective view of the card connector of the present application, further assembled to a circuit board.
Fig. 2 is a partially exploded perspective view of the card connector of fig. 1, showing a schematic perspective view of the card holder as it is removed from the terminal module.
FIG. 3 is a schematic perspective view of the card connector of FIG. 2 from another perspective;
FIG. 4 is an exploded perspective view of the tray of the card connector of the present application;
Fig. 5 is a perspective exploded view of the card eject module of the card connector of the present application, specifically showing a perspective view of the upper case, the card eject lever and the lower case separated from each other, and certainly showing the form of the switch terminal module;
FIG. 6 is a schematic perspective view of the card eject module shown in FIG. 5 from another angle;
FIG. 7 is a top view of the card connector of the present application shown in FIG. 1;
FIG. 8 is an enlarged view of the portion of FIG. 2 within the dashed circle;
Fig. 9 is an enlarged view of the portion inside the broken line circle in fig. 3.
Detailed Description
Hereinafter, a specific embodiment of the card connector of the present application will be described with reference to fig. 1 to 9. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the description of the present application, 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 that are expressly listed or inherent to such process, method, article, or apparatus.
For the purpose of more accurate description in the present application, all reference is made to fig. 1, wherein the width direction of the card connector is defined as the left-right direction, the insertion direction of the card holder 3 is defined as the front-rear direction, and the insertion direction of the card holder 3 is defined as 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 up-down side.
Referring to fig. 2 to 9, a card connector of the present application is disclosed, which includes a terminal module 1 and a card withdrawing module 2 matched with the terminal module 1. The terminal module 1 includes a terminal assembly (not shown) and a housing assembly 12 mated with the terminal assembly. The terminal assembly includes an insulator (not shown) and a plurality of conductive terminals (not shown) secured to the insulator. The terminal module 1 is provided with a receiving space 101 and forms a plug-in connection 102. The card withdrawing module 2 is positioned at the plug-in port 102 of the terminal module 1. The card connector further comprises a card holder 3. The card holder 3 forms a card accommodating space 30. The card holder 3 is used for carrying at least one electronic card (not shown) and then inserting the electronic card into the accommodating space 101 through the plug-in port 102. The card holder 3 is integrally formed with a card-withdrawing trigger portion 342, the card-withdrawing trigger portion 342 cooperates with the card-withdrawing module 2, and the card-withdrawing trigger portion 342 at least partially overlaps the card-accommodating space 30 in the up-down direction (in this embodiment, the card-withdrawing trigger portion 342 completely overlaps the card-accommodating space 30 in the up-down direction).
As shown in fig. 2, 5 and 6, the card connector further includes a switch terminal module 4, and the card holder 3 is integrally formed with a switch triggering portion 341, where the switch triggering portion 341 cooperates with the switch terminal module 4 to implement a switch function, and the switch triggering portion 341 at least partially overlaps the card accommodating space 30 in the up-down direction (in this embodiment, the switch triggering portion 341 completely overlaps the card accommodating space 30 in the up-down direction).
Referring to fig. 2 to 4 and fig. 7 to 9, the card holder 3 includes a frame portion 33 and a metal member 34 integrally fixed to the frame portion 33. The card withdrawal triggering part 342 and/or the switch triggering part 341 are formed by extending the metal member 34. In this embodiment, the card eject trigger portion 342 and the switch trigger portion 341 are formed by directly extending the metal member 34. Specifically, the switch triggering portion 341 is formed by directly extending the metal member 34 backward, and the card-withdrawal triggering portion 342 is formed by reversely folding the metal member 34 and stacking the metal member in the up-down direction. In the up-down direction, the switch triggering portion 341 and the card withdrawing triggering portion 342 are located below the card accommodating space 30.
As shown in fig. 2 to 9, the metal member 34 includes a fixing portion 343 embedded in the frame portion 33 and a protruding portion 344 protruding out of the frame portion 33. The card accommodating space 30 is formed by the frame part 33 and at least part of the protruding part 344. The switch triggering portion 341 and the card ejecting triggering portion 342 are both located at the rear end position of the card accommodating space 30 along the insertion direction of the card holder 3. The switch triggering portion 341 and the card withdrawing triggering portion 342 are disposed at intervals along the left-right direction, and a space gap 340 is formed between them, and the space gap 340 yields part of the structure of the card withdrawing module 2.
Referring to fig. 2 to 9, the card withdrawing module 2 includes a metal frame 21 and a card withdrawing rod 22, the card withdrawing rod 22 is pivotally connected to the metal frame 21, when pushing one end of the card withdrawing rod 22 in the insertion direction of the card holder 3, the card withdrawing rod 22 can rotate about a pivot position of the metal frame 21, the other end of the card withdrawing rod 22 moves in the withdrawal direction of the card holder 3, the other end of the card withdrawing rod 22 cooperates with the card withdrawing trigger portion 342, and along the up-down direction, the card withdrawing rod 22 overlaps at least part of the card accommodating space 30. The metal frame 21 includes a top plate 2111 and a bottom plate 2121 opposite to the top plate 2111, and the ejector rod 22 is pivotally connected between the top plate 2111 and the bottom plate 2121. The switch terminal module 4 includes a movable terminal 41, a fixed terminal 42 cooperating with the movable terminal 41, and an insulating block 43. The movable terminal 41 is formed by bending a metal frame 21. The stator 42 is a separate member and is fixed to the insulating block 43. The insulating block 43 is fixed between the top plate 2111 and the bottom plate 2121. The movable terminal 41 is formed with a contact 411 at a rear end position in the direction of insertion of the receptacle. The contact portion 411 is engaged with the switch triggering portion 341. When the card holder 3 is inserted into the accommodating space 101, the switch triggering portion 341 and/or the card withdrawal triggering portion 342 at least partially overlap with the card withdrawal module 2 in the up-down direction. In this embodiment, the switch triggering portion 341 and the card eject triggering portion 342 at least partially extend into the card eject module 2. The insulating block 43 is at least partially received in the spacing void 340.
The rear end position of the metal frame 21 forms a rear end plate 201, the front end position of the metal frame 21 forms a front end plate 202, the ejector pin 22 is limited between the rear end plate 201 and the front end plate 202 along the up-down direction, the rear end plate 201 forms a yielding port 2011 at each of the two end positions of the ejector pin 22 corresponding to the front-back direction, and when the ejector pin 22 rotates, the two ends of the ejector pin 22 can protrude from the yielding port 2011 in the extracting direction of the card holder 3. In this embodiment, a relief port 2011 is also formed at a position of the rear end plate 201 corresponding to the switch triggering portion 341. The switch triggering portion 341 extends into the card withdrawing module 2 through the yielding port 2011, and in this process, pushes the contact portion 411 of the terminal 41, so as to contact the switch functions of the start terminal 41 and the fixed terminal 42, so as to detect whether the card holder 3 is inserted in place.
As shown in fig. 5 and 6, the metal frame 21 includes an upper case 211 and a lower case 212, the upper case 211 forms the top plate 2111, the lower case 212 forms the bottom plate 2121, and the rear end plate 201 is formed by extending from a rear end position of the upper case 211 or the lower case 212 (in this embodiment, the rear end plate 201 is formed on the lower case 212). The front end plate 202 is formed by extending from the front end position of the upper case 211 or the lower case 212 (in this embodiment, the front end plate 202 is formed on the upper case 211). The upper case 211 and the lower case 212 may be fixed to each other at both ends in the left-right direction, or the upper case 211 and the lower case 212 may be fixed to each other at the front ends in the insertion direction of the receptacle 3, or the upper case 211 and the lower case 212 may be fixed to each other at the rear ends in the insertion direction of the receptacle 3. In addition, in one embodiment, the front end and the left and right sides of the lower shell 212 along the inserting direction of the clip are respectively formed with a welding piece 214, and the welding piece 214 is correspondingly attached to the corresponding position of the upper shell 211 and is fixed by spot welding.
As shown in fig. 1 to 9, 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 recessed downward at the position of the insertion port 102 of the terminal module 1 to form a space for yielding (in this embodiment, specifically, the circuit board 5 forms a notch-shaped structure at the rear end edge position of the card holder 3 in the insertion direction, or, of course, the circuit board 5 forms a through hole-shaped structure penetrating in the up-down direction at the rear end position of the card holder 3 in the insertion direction). The card withdrawal module 2 is accommodated in the yielding space and fixed to the circuit board 5, and specifically may be that a welding piece 213 is formed at least one end of the upper case 211 and/or the lower case 212 in the width direction, the welding piece 213 is directly or indirectly fixed to the surface of the circuit board 5, or that a welding piece 213 is formed at a front end of the metal frame 21 along the insertion direction of the card holder 3, and the welding piece 213 is directly or indirectly fixed to the surface of the circuit board 5.
Of course, in other embodiments, the upper shell 211 and/or the lower shell 212 may be designed to be integral with the housing assembly 12.
In the application, the card withdrawing module 2 is arranged at the position of the plug-in port 102 of the terminal module 1, and the metal frame 21 is designed with a containing cavity, so that the card withdrawing rod 22 and the switch terminal can be well contained therein, and the protection function is realized, and the card withdrawing action is smooth and durable. Preventing the withdrawal lever 22 from being erroneously inserted between the card holder 3 and the terminal assembly. In addition, the card withdrawing module 2 is designed to be positioned below the card holder, so that the circuit board can be more reasonably arranged, the integration level is improved, and the miniaturization is facilitated. In addition, the switch triggering part 341 and the card withdrawing triggering part 342 are formed on the card holder 3, and correspondingly cooperate with the card withdrawing module 2, and meanwhile, the design of cooperation of the position relation is combined, so that the structure layout in the area of the card connector is further compact, the integration level is improved, and the miniaturization is facilitated.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present application.