CN110071380B

CN110071380B - Stack type two-in-one card holder and electronic equipment

Info

Publication number: CN110071380B
Application number: CN201810070944.4A
Authority: CN
Inventors: 吕雷
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2018-01-24
Filing date: 2018-01-24
Publication date: 2021-01-19
Anticipated expiration: 2038-01-24
Also published as: CN110071380A

Abstract

The application provides a two unification cassettes of heap, including shielding the casing, integrated into one piece in shield insulator on the casing, integrated into one piece in first terminal group on the insulator roof, with first terminal group set up relatively and be located the second terminal group of insulator bottom side and be located the card support between first terminal group and the second terminal group, the card support includes the frame portion, locate accommodating space in the middle of the frame portion, will the accommodating space is cut apart into the metal sheet of first, second card accommodating space in the vertical direction, first, second card accommodating space holds first, second electronic card respectively, accommodate in first, second card accommodating space first, second electronic card respectively with first, second terminal group electrical contact. The application also comprises an electronic device using the stacked two-in-one card holder.

Description

Stack type two-in-one card holder and electronic equipment

Technical Field

The present disclosure relates to electrical connectors, and particularly to a stackable two-in-one card holder and an electronic device.

Background

The memory of the mobile phone generally has two existing modes, namely a built-in memory (ROM) and an extended memory (T-Flash). The price of the built-in memory is high, and a memory expansion card seat is reserved by a general mobile phone manufacturer for a user to select an expansion memory.

Meanwhile, an identity module (SIM) is a number card that a mobile phone must be installed, and generally, a SIM card holder and a TF card holder are respectively installed on the mobile phone for inserting various electronic cards. Some products integrate the two into a card seat, the existing integrated card seat is generally in a flat structure, while some products do not aim at the thickness of the product and aim at the area of a printed circuit board, and the integrated card seat needs to be made into a stacking structure.

Disclosure of Invention

Therefore, there is a need for a stacked two-in-one card socket and an electronic device, which solve the problem of small occupied area of the product in some application environments, and simplify the manufacturing process and reduce the cost.

In order to solve the above technical problem, the present application provides a stacked two-in-one card socket, including a shielding housing, an insulating housing integrally formed on the shielding housing, a first terminal set integrally formed on a top wall of the insulating housing, a second terminal set disposed opposite to the first terminal set and located at a bottom side of the insulating housing, and a card holder located between the first terminal set and the second terminal set, wherein the card holder includes a frame portion, an accommodating space disposed in a middle of the frame portion, and a metal plate dividing the accommodating space into a first card accommodating space and a second card accommodating space in a vertical direction, the first card accommodating space and the second card accommodating space respectively accommodate a first electronic card and a second electronic card, and the first electronic card and the second electronic card accommodated in the first card accommodating space and the second card accommodating space are respectively in electrical contact with the first terminal set and the second terminal set.

This application through will insulator one-piece moulding in shield on the casing, simplified manufacturing process, reduced manufacturing cost, solved first terminal group simultaneously and shield the insulating problem between the casing.

Preferably, the insulating body further includes a tail wall extending downward from the tail portion of the top wall, and the first terminal group includes solder tails extending from the tail wall to the bottom for soldering with a printed circuit board.

Preferably, the insulating body is open relative to the lower side of the top wall, the second terminal set is located relative to the lower side of the top wall, and a card holder moving space is formed between the first terminal set and the second terminal set.

Preferably, the insulating body further includes a bottom wall opposite to the top wall, the second terminal set is disposed on the bottom wall, and a card holder moving space is formed between the first and second terminal sets.

Preferably, the top wall of the insulating body is provided with a plurality of terminal grooves, each conductive terminal of the first terminal group further includes an elastic contact portion bent from the terminal groove of the top wall and extending into the card holder moving space and a pre-pressing end portion formed at one end of the elastic contact portion, the terminal groove is located at a transverse position corresponding to the pre-pressing end portion to form a pre-pressing cross arm, and the pre-pressing end portion is limited in the pre-pressing cross arm and can move in the pre-pressing cross arm along the plugging direction.

Preferably, the pre-pressing cross arm comprises an insulating layer located between the inner surface of the shielding shell and the pre-pressing end portion, a pressing portion located on one side of the pre-pressing end portion away from the shielding shell, and a positioning opening formed in the middle of the pressing portion.

Preferably, the prepressing end is integrally injection-molded in the prepressing cross arm, the positioning port is used for positioning and pressing the prepressing end during injection molding, and after the injection molding and the stress of the elastic contact arm, the prepressing end is separated from the prepressing cross arm and slides in the prepressing cross arm.

Preferably, the shielding shell includes a main body portion and two side portions formed by bending and extending from two lateral sides of the main body portion, the main body portion is provided with strip-shaped holes corresponding to the terminal grooves, partitions are arranged between the strip-shaped holes, and reinforcing bars are formed at positions corresponding to the pre-pressing cross arms to prevent the pre-pressing end portions from crushing the pre-pressing cross arms.

Preferably, still be equipped with a plurality of fixed orificess that are used for pouring into the plastic material on the main part, the fixed orifices both ends still including extending to barb in the insulator is in order to strengthen shield the casing with cohesion between the insulator.

In order to solve the above technical problem, the present application further provides an electronic device including the above stacked two-in-one card socket.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. Fig. 1 to 11 are diagrams illustrating a first embodiment of a stacked two-in-one cartridge according to the present application, and fig. 12 to 15 are diagrams illustrating a second embodiment of the stacked two-in-one cartridge according to the present application.

FIG. 1 is a perspective view of a stacked two-in-one card holder according to the present application;

FIG. 2 is an exploded perspective view of the stacked two-in-one card holder of the present application;

FIG. 3 is an exploded perspective view of the stacked two-in-one card holder of the present application at another angle;

FIG. 4 is a combination view of the insulator and the first terminal set of the present application;

fig. 5 is a combination view of the insulator and the first terminal set at another angle according to the present application;

FIG. 6 is a perspective view of the shielding shell of the present application;

FIG. 7 is a perspective view of the present invention shielding housing at another angle;

FIG. 8 is a perspective view of a first side of the application card holder;

FIG. 9 is a perspective view of a second side of the application holder;

FIG. 10 is a cross-sectional view of the present application taken along line B-B of FIG. 8;

FIG. 11 is a cross-sectional view of the present application taken along line A-A of FIG. 1;

FIG. 12 is a perspective view of a two-in-one stacked card socket according to an embodiment;

FIG. 13 is an exploded perspective view of a two-in-one stacked card socket according to an embodiment;

FIG. 14 is a bottom view and a partially enlarged view of a two-in-one stacked card socket according to an embodiment;

fig. 15 is an exploded view of a two-in-one stacked card socket according to an embodiment and a partially enlarged view thereof.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example one

Referring to fig. 1 to 5, the stacked two-in-one card socket of the present application includes an insulating body 30, a first terminal set 40 disposed on a top wall 31 of the insulating body 30, a second terminal set 50 disposed opposite to the first terminal set 40 and at a bottom of the insulating body 30, a card holder 20 disposed between the first terminal set 40 and the second terminal set 50, and a shielding shell 10 covering the insulating body 30.

The insulative housing 30 further includes two sidewalls 32 extending downward from two lateral sides of the top wall 31, and a tail wall 34 extending downward from a tail portion of the top wall 31. The opposite side of the top wall 31 of the insulating body 30 is open, the second terminal set 50 is located at the opposite side of the top wall 31 of the insulating body 30, and a card-holding moving space 33 is formed between the first terminal set 40 of the top wall 31 and the second terminal set 50. The top wall 31 is provided with a plurality of terminal grooves 312, positioning posts 311 protruding from the top wall 31, and a limiting portion 313 formed at one end of the terminal grooves 312. The middle part of the limiting part 313 is recessed to form a recessed structure. The two side walls 32 are opened with a gap 321 communicating with the card holder moving space 33.

Each conductive terminal of the first terminal set 40 includes an elastic contact portion 41 bent and extending from the terminal groove 312 of the top wall 31 into the card holder moving space 33, a pre-pressing end portion 42 formed at one end of the elastic contact portion 41, and a solder leg 43 extending from the elastic contact portion 41 to the bottom of the tail wall 34. The pre-pressing end portion 42 abuts against the recessed structure of the limiting portion 313 so that all the elastic contact portions 41 of the first terminal set 40 are in the same plane. The position-limiting portion 313 is formed by integral molding with the insulating body 30.

The second terminal set 50 and the insulating body 30 are designed in a split type, and the structure principle of the second terminal set 50 is known in the art and will not be described herein.

In an embodiment, the insulative housing 30 further includes a bottom wall (not shown), and the second terminal set 50 is integrally formed on the bottom wall, such that the first and

second terminal sets

40,50 are located at two ends of the card-holder moving space 33 in a vertical direction.

Referring to fig. 6 and 7, the shielding shell 10 includes a main body 11, two side portions 12 formed by bending and extending from two lateral sides of the main body 11, a hole structure 15 formed on the main body 11 at a position corresponding to the pre-pressing end portion 42 of the first terminal set 40, and a positioning hole 13 formed on the main body 11 corresponding to the positioning post 311 of the insulating body 30. The hole structure 15 on the main body portion 11 is formed with an insulating block 14 through a hot melting process, the insulating block 14 is flush with the outer surface of the main body portion 11 on the top surface of the hole structure 15, the insulating block 14 transversely extends in a strip shape on the inner surface of the main body portion 11, a longitudinally extending groove 141 is formed on one side of the inner surface of the main body portion 11 corresponding to the pre-pressing end portion 42 of the insulating block 14, and the longitudinally extending groove 141 has a certain length so that the movement of the pre-pressing end portion 42 in the longitudinal direction is located in the position of the groove 141 and does not depart from the groove 141 to contact the shielding shell 10. The hole structure 15 mainly serves to increase the holding force of the insulating block 14. The insulating block 14 may also be formed by an injection molding process.

A tearing portion 121 is disposed at a position of the side portion 12 of the shielding shell 10 corresponding to the notch 321 of the insulating body 30, and the tearing portion 121 is bent downward from the main body 11 to form an elastic arm 123 extending into the card holder moving space 33.

As shown in fig. 8 to 11, the card holder 20 includes a frame portion 21, a cover plate 24 located at the outer side of the frame portion 21 in the longitudinal direction, a receiving space (not numbered) opened in the middle of the frame portion 21, and a metal plate 22 integrally formed with the frame portion 21 and dividing the receiving space into a first card receiving space 20a and a second card receiving space 20b in the vertical direction. A clamping groove 23 is formed on the lateral outer side of the frame portion 21, and the clamping groove 23 is matched with the elastic arm 123 of the shielding shell 10 to apply a holding force to the card holder 20, so that the card holder 20 cannot fall off from the card holder moving space 33 at will. The metal plate 22 includes a plate-shaped main body 221 and a bent portion 222 bent from the outer side of the plate-shaped main body 221, and the bent portion 222 is integrally formed in the frame portion 21. The metal plate 22 is provided with a cut-out portion 223 at an outer side of one end thereof close to the cover plate 24, the frame portion 21 is provided with a projection 26 at the position of the cut-out portion 223 and projecting into the receiving space, and the frame portion 21 is provided with a clearance portion 27 corresponding to the position of the projection 26 so that the projection 26 has a certain elastic space. When an electronic card is placed in the first or second

card receiving space

20a,20b, a slight pressing force is formed between the electronic card and the bump 26 to prevent the electronic card from falling off due to the flip of the card holder. The projection 26 passes through the cut-out portion 223 of the metal plate 22 in the vertical direction outside the first and second

card receiving spaces

20a,20b, respectively.

In another embodiment, the metal plate 22 does not need to be provided with the cut-out portion 223, and the bumps 26 are respectively provided outside the first and second

card receiving spaces

20a,20 b. Meanwhile, the projection 26 may be provided on the laterally outer side of the frame portion 21 or the end portion on the side opposite to the cover plate 24.

Referring to fig. 11, in operation, the electronic card is first placed in the first and second

card receiving spaces

20a and 20b of the card holder 20; the card holder 20 is inserted into the card holder moving space 33 from the open end of the insulating body 30, and two electronic cards in the card holder 20 are electrically contacted with the first terminal set 40 and the second terminal set 50 respectively in the vertical direction. The elastic arm 123 of the shielding shell 10 is fixed on the card slot 23 at two lateral sides of the card holder 20 to apply fixing force to the card holder 20.

Example two

Referring to fig. 12 to 15, the shielding shell 10 and the first terminal set 40 in the second embodiment are molded as a whole through the insulating body 30 by in-mold injection, which is different from the first embodiment.

In the second embodiment, the insulation body 30 includes a top wall 31 and a tail wall 34 extending downward from a tail of the top wall 31. The top wall 31 is formed on the inner surface of the shielding shell 10, and a card-holding moving space 33 is formed between the first terminal set 40 and the second terminal set 50 of the top wall 31. The top wall 31 is provided with a plurality of terminal slots 312, and the terminal slots 312 form pre-pressing cross arms 35 at transverse positions corresponding to the pre-pressing end portions 42 of the conductive terminals. The preload finger 35 includes an insulating layer 351 between the inner surface of the shield case 10 and the preload end 42, a pressed portion 352 on the side of the preload end 42 away from the shield case 10, and a positioning hole 353 provided in the middle of the pressed portion 352. The pre-pressing end 42 is directly formed in the pre-pressing cross arm 35 during injection molding, and the positioning hole 353 is used for positioning and pressing the pre-pressing end 42 during injection molding. After injection molding, a slight binding force exists between the pre-pressing end portion 42 and the pre-pressing cross arm 35, and after the elastic contact arm 41 is stressed, the pre-pressing end portion 42 and the pre-pressing cross arm 35 automatically separate and slide in the pre-pressing cross arm 35.

The main body 11 of the shielding shell 10 is provided with strip-shaped holes 111 corresponding to the terminal slots 312, partition structures are provided between the strip-shaped holes 111, and reinforcing strips 112 transversely located on the outer surface of the pre-pressing cross arm 35 are provided at positions of the strip-shaped holes 111 corresponding to the pre-pressing cross arm 35 to reinforce the insulating layer 351 against being torn by the pre-pressing end portion 42. Still be equipped with a plurality of fixed orificess 114 on the main part 11, fixed orificess 114 exists as the injecting glue mouth, fixed orifices 114 both ends still extend to barb 115 in the insulator 30 is in order to strengthen shield the casing 10 with the cohesion between the insulator 30.

In the second embodiment, the card socket further includes a card withdrawing mechanism 50 installed at one side of the shielding shell 10, and the card withdrawing mechanism 50 includes a push rod 51 and a cam mechanism 52 fixed at one side of the tail of the shielding shell 10. The shielding shell 10 is provided with a riveting area 15 for riveting the cam mechanism 52, and the shielding shell is located at the tail of the cam mechanism 52 and bent to form a welding part 16 to enhance the strength of the cam mechanism 52.

The tail portion 34 of the insulating body 30 is provided with a through hole 341 corresponding to the cam mechanism 52 for riveting the cam mechanism 52.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A stacked two-in-one card holder is characterized by comprising a shielding shell, an insulating body, a first terminal group, a second terminal group and a card holder, wherein the insulating body is integrally formed on the shielding shell, the first terminal group is integrally formed on the top wall of the insulating body, the second terminal group is arranged opposite to the first terminal group and is positioned at the bottom side of the insulating body, the card holder is positioned between the first terminal group and the second terminal group, the card holder comprises a frame part, a containing space and a metal plate, the containing space is arranged in the middle of the frame part, the metal plate is used for dividing the containing space into a first card containing space and a second card containing space in the vertical direction, the first card containing space and the second card containing space are used for containing a first electronic card and a second electronic card, and the first electronic card and the second electronic card contained in the first card containing space and the second card containing space are;

the top wall of the insulating body is provided with a plurality of terminal grooves, each conductive terminal of the first terminal group further comprises an elastic contact part which is bent from the terminal groove of the top wall and extends into the card support moving space and a prepressing end part which is formed at one end of the elastic contact part, the terminal grooves are located at the transverse position corresponding to the prepressing end part to form a prepressing cross arm, and the prepressing end parts are limited in the prepressing cross arm and can move in the prepressing cross arm along the plugging direction.

2. The stacked two-in-one cartridge according to claim 1, wherein the insulative housing further includes a tail wall extending downwardly from the rear portion of the top wall, and the first terminal set includes solder tails extending from the tail wall to a bottom portion for soldering to a printed circuit board.

3. The stacked two-in-one card holder according to claim 2, wherein the insulating body is open at a lower side with respect to the top wall, the second terminal set is located at a lower side with respect to the top wall, and a card holder moving space is formed between the first and second terminal sets.

4. The stacked two-in-one card holder according to claim 2, wherein the insulating body further comprises a bottom wall opposite to the top wall, the second terminal set is disposed on the bottom wall, and a card holder moving space is formed between the first and second terminal sets.

5. The stacked two-in-one card holder according to claim 3 or 4, wherein the pre-pressing cross arm comprises an insulation layer located between the inner surface of the shielding shell and the pre-pressing end portion, a pressing portion located at a side of the pre-pressing end portion away from the shielding shell, and a positioning opening opened in the middle of the pressing portion.

6. The stacked two-in-one card holder according to claim 5, wherein the pre-pressing end is integrally injection-molded in the pre-pressing cross arm, the positioning opening is used for positioning and pressing the pre-pressing end during injection molding, and after the injection molding, the pre-pressing end is separated from the pre-pressing cross arm and slides in the pre-pressing cross arm after the elastic contact part is stressed.

7. The stacked two-in-one card holder according to claim 3 or 4, wherein the shielding shell includes a main body portion and two side portions formed by bending and extending from two lateral sides of the main body portion, the main body portion has bar-shaped holes corresponding to the terminal slots, a partition is disposed between the bar-shaped holes, and a reinforcing bar is formed at a position corresponding to the pre-pressing cross arm to prevent the pre-pressing end portion from crushing the pre-pressing cross arm.

8. The stacked two-in-one card holder according to claim 7, wherein the main body further has a plurality of fixing holes for injecting plastic material, and both ends of the fixing holes further include barbs extending into the insulating body to enhance the bonding force between the shielding shell and the insulating body.

9. An electronic device comprising the two-in-one stacked card holder according to claim 3 or 4.