CN216289391U - Stack connector with lock catch structure - Google Patents
Stack connector with lock catch structure Download PDFInfo
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- CN216289391U CN216289391U CN202122297229.4U CN202122297229U CN216289391U CN 216289391 U CN216289391 U CN 216289391U CN 202122297229 U CN202122297229 U CN 202122297229U CN 216289391 U CN216289391 U CN 216289391U
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Abstract
The utility model provides a stacked connector with a lock catch structure, which comprises an upper layer connector and a lower layer connector which are stacked on a PCB, wherein the upper layer connector is provided with a central slot into which a first IC card module can be inserted; the first IC card module and the second IC card module are respectively clamped on the PCB through a first buckle and a second buckle. The upper end of the upper layer connector is also covered with a shell. The height of the utility model is less than 6.8mm, and the ultrathin stacking height is realized; the metal shielding cover is covered on the connector, so that the shielding effect is improved; the first IC card module and the second IC card module are respectively clamped on the PCB through the first buckle and the second buckle, so that the assembly and disassembly are convenient; one end of the first buckle is locked through a bolt, and locking and unlocking can be realized through rotating and pressing; the second buckle can realize the action of locking the card and releasing the card through the mode of pressing.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a stacking type connector with a lock catch structure.
Background
In the field of connectors, snaps are mainly structural components for locking PCBs and IC cards. The connector is generally welded on a PCB, then the IC card is inserted into the connector, and finally locking is realized through a buckle.
The existing connector generally comprises a transverse long strip-shaped insulating body and a plurality of terminals, wherein a plurality of slots which extend along the front-back direction and are used for accommodating the terminals are distributed on the insulating body, and the slots are also arranged side by side along the left-right direction; the plurality of terminals are provided with a plurality of upper row terminals which are arranged side by side along the left-right direction and a plurality of lower row terminals which are arranged side by side along the left-right direction, one end of each terminal is provided with a welding foot, the other end of each terminal is provided with an elastic contact part, the welding foot of each terminal is positioned outside the insulating body and can be welded on the PCB, and the elastic contact part of each terminal is positioned in the slot of the insulating body correspondingly.
While a stackable connector typically includes two connectors that are stacked together to perform different functions.
In addition, in the conventional stacked connector, a latch structure is respectively disposed on each of the left and right sides of the insulating body, the two latch structures are in a mirror image relationship and are both welded to the PCB, and when an IC card is inserted into the slot of the insulating body and is flattened and pressed down, the two latch structures can fasten and fix the sub-IC card. However, the structure is inconvenient to disassemble and assemble and poor in practicability.
Disclosure of Invention
In view of the deficiencies of the prior art, the utility model provides a stackable connector with a locking structure.
The technical scheme of the utility model is as follows: a stacked connector with a locking structure comprises an upper layer connector and a lower layer connector which are stacked on a PCB, wherein the upper layer connector comprises an upper layer connector insulator, the upper layer connector insulator extends lengthways and is provided with a central slot into which a first IC card module can be inserted, and clamping grooves for accommodating terminals of the upper layer connector are formed in the upper layer connector insulator on two sides of the central slot;
the lower layer connector comprises a lower layer connector insulator, the lower layer connector insulator extends lengthways and is provided with a central slot for inserting the second IC card module, and the lower layer connector insulator on two sides of the central slot is also provided with a clamping groove for accommodating a lower layer connector terminal;
the first IC card module and the second IC card module are respectively clamped on the PCB through a first buckle and a second buckle.
Preferably, the first buckle comprises a first fixing column, a second fixing column and a clamping cross beam matched with the first fixing column and the second fixing column;
one end of the clamping cross beam is detachably connected with the first fixing column, and the other end of the clamping cross beam is clamped with the second fixing column.
Preferably, one end of the clamping cross beam is provided with a through hole, and the clamping cross beam is connected with the first fixing column through the through hole and the fixing bolt.
Preferably, the other end of the clamping cross beam is provided with a clamping groove, one end of the clamping groove corresponding to the clamping groove is a clamping interface, the clamping interface is provided with a corresponding reverse buckle, and the width of the clamping interface is smaller than that of the clamping groove.
Preferably, a stop block is further arranged on the side wall of the clamping cross beam at the central position.
Preferably, the second fixing column comprises a fixing seat and two matched pressing rods arranged on the fixing seat, and a corresponding clamping joint is arranged at the upper end of each pressing rod.
Preferably, the second buckle comprises a buckle body, the buckle body comprises a first connecting part and a second connecting part, the first connecting part is used for being connected with the PCB, the second connecting part is used for being connected with the second IC card module, and a positioning part and an overpressure preventing part extend out of the second connecting part.
Preferably, the first connecting portion comprises a first connecting plate used for being connected with the PCB, the first connecting plate is arranged in parallel relative to the PCB, a screw hole used for being connected with the PCB is formed in the first connecting plate, and supporting arms used for supporting the second IC card module extend out of two sides of the first connecting plate.
Preferably, the second connecting portion includes a second connecting arm extending from one side of the first connecting plate, and the second connecting arm is provided with a clamping plate for clamping with the second IC card module.
Preferably, the second connecting arm extends to form a positioning part and an overpressure-preventing part, the positioning part and the overpressure-preventing part extend in opposite directions, the second IC card module is propped against through the positioning part, and the overpressure-preventing part is in contact with the PCB, so that the second buckle is prevented from being deformed due to overpressure.
Preferably, the upper end of the upper layer connector is covered with a shell, and the shell is clamped with the PCB.
Preferably, the lower end of the shell is provided with a first inserting tongue used for being connected with a PCB and a first hanging lug used for being connected with the upper connector insulator.
Preferably, the upper layer connector terminal comprises a plurality of pairs of first upper layer terminals and second upper layer terminals which are matched with each other.
Preferably, the first upper terminal includes a first upper terminal connecting arm, and a first contact end and a first soldering end disposed at two ends of the first upper terminal connecting arm.
Preferably, the first upper terminal connecting arm is of an L-shaped structure, and a plurality of first fixing portions for connecting the upper connector insulator are further disposed on a side wall of the first upper terminal connecting arm of the L-shaped structure.
Preferably, the second upper terminal includes a second upper terminal connecting arm, and a second contact end and a second soldering end disposed at two ends of the second upper terminal connecting arm.
Preferably, the second upper terminal connecting arm is provided with a second fixing portion for connecting an upper connector insulator.
Preferably, the lower connector terminals include a plurality of pairs of first and second lower terminals that mate with each other.
Preferably, the first lower terminal includes a first lower terminal connecting arm, and a third contact end and a third soldering end disposed at two ends of the first lower terminal connecting arm.
Preferably, the first lower terminal connecting arm is of an L-shaped structure, and a third fixing portion for connecting the lower connector insulator is further disposed on a side wall of the first lower terminal connecting arm of the L-shaped structure.
Preferably, the second lower terminal includes a second lower terminal connecting arm, and a fourth contact end and a fourth soldering end disposed at two ends of the second lower terminal connecting arm.
Preferably, the second lower terminal connecting arm is provided with a fourth fixing portion for connecting the lower connector insulator, and the fourth fixing portions are symmetrically arranged on two outer side walls of the second lower terminal connecting arm.
The utility model has the beneficial effects that:
1. the height of the stacked connector is less than 6.8mm, so that the ultrathin stacking height is realized, and the use in a miniaturized scene is met;
2. according to the utility model, the metal shielding cover is covered on the connector, so that the shielding effect is more obvious;
3. the first IC card module and the second IC card module are respectively clamped on the PCB through the first buckle and the second buckle, and the assembly and disassembly are convenient;
4. one end of the first buckle is locked through a bolt, and locking and unlocking can be realized through rotating and pressing; and the second buckle can realize the action of locking and releasing the card through the mode of pressing.
Drawings
FIG. 1 is a schematic view of a stacked connector according to the present invention;
FIG. 2 is a schematic structural diagram of an upper layer connector according to the present invention;
FIG. 3 is a schematic view of the structure of the lower connector of the present invention;
FIG. 4 is a schematic structural view of a first buckle according to the present invention;
FIG. 5 is a schematic view of a second fastener of the present invention;
FIG. 6 is a schematic structural view of a clamping beam according to the present invention;
FIG. 7 is a schematic structural view of a second fixing post according to the present invention;
FIG. 8 is a schematic structural diagram of a first upper terminal according to the present invention;
FIG. 9 is a schematic structural diagram of a second upper terminal according to the present invention;
FIG. 10 is a schematic view of a first lower terminal according to the present invention;
FIG. 11 is a schematic view of a second lower terminal according to the present invention;
FIG. 12 is a schematic structural view of the housing of the present invention;
in the figure, 1-an upper layer connector, 2-a lower layer connector, 3-a first buckle, 4-a second buckle, 5-a PCB, 6-a first IC card module, 7-a second IC card module and 8-a shell;
11-upper layer connector insulator, 12-first upper layer terminal connection arm, 13-first contact end, 14-first welding end, 15-first fixing part;
16-a second upper terminal connecting arm, 17-a second contact end, 18-a second welding end and a second fixing part;
21-lower connector insulator, 22-first lower terminal connecting arm, 23-third contact end, 24-third soldering end, 25-third fixing portion, 26-second lower terminal connecting arm, 27-fourth contact end, 28-fourth soldering end, 29-fourth fixing portion;
31-a first fixing column, 32-a second fixing column, 33-a clamping cross beam, 34-a through hole, 35-a clamping groove, 36-a stop block, 37-a fixed seat, 38-a pressing rod and 39-a clamping joint;
41-a buckle body, 42-a first connecting part, 43-a second connecting part, 44-a positioning part and 45-an over-pressure prevention part; 421-first connecting plate, 422-supporting arm; 431-a second connecting arm, 432-a snap plate;
81-first tongue insert, 82-first ear.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, the present embodiment provides a stacked connector with a locking structure, which includes an upper layer connector 1 and a lower layer connector 2 stacked on a PCB 5, and in the present embodiment, the height of the stacked connector is less than 6.8mm, so as to achieve an ultra-thin stacking height, and meet the requirement of miniaturization.
As shown in fig. 2, the upper layer connector 1 includes an upper layer connector insulator 11, the upper layer connector insulator 11 extends lengthwise and has a central slot into which the first IC card module 6 is inserted, and the upper layer connector insulator 11 on both sides of the central slot is further provided with a card slot for receiving a terminal of the upper layer connector.
As shown in fig. 3, the lower connector 2 includes a lower connector insulator 21, the lower connector insulator 21 extends lengthwise and has a central slot into which the second IC card module 7 is inserted, and the lower connector insulator 21 on both sides of the central slot is further provided with a slot for receiving a terminal of the lower connector 2.
The first IC card module 6 and the second IC card module 7 are respectively clamped on the PCB 5 through the first buckle 3 and the second buckle 4.
The upper end of the upper layer connector 1 is covered with a shell 8, the lower end of the shell 8 is clamped with the PCB 5, in the embodiment, the shell 8 is a metal shielding cover, and the shielding effect is more obvious;
preferably, as shown in fig. 4, the first buckle 3 includes a first fixing column 31, a second fixing column 32, and a clamping cross beam 33 engaged with the first fixing column 31 and the second fixing column 32; in this embodiment, one end of the clamping cross beam 33 is detachably connected with the first fixing column 31, and the other end of the clamping cross beam 33 is clamped with the second fixing column 32.
As shown in fig. 6, preferably, one end of the clamping cross beam 33 is provided with a through hole 34, and the clamping cross beam 33 is connected to the first fixing column 31 through the through hole 34 and the fixing bolt. The other end of joint crossbeam 33 seted up a joint groove 35, joint groove 35 correspond one end and be a joint interface, joint interface department be provided with corresponding back-off, and the width of joint interface is less than the width of joint groove 35. And a stop 36 is arranged on the side wall of the central position of the clamping cross beam 33.
Preferably, as shown in fig. 7, the second fixing post 32 includes a fixing base 37, and two cooperating pressing rods 38 disposed on the fixing base 37, and an upper end of each pressing rod 38 is provided with a corresponding snap joint 39.
Preferably, as shown in fig. 5, the second latch 4 includes a latch body 41, the latch body 41 includes a first connecting portion 42 for connecting with the PCB 5, and a second connecting portion 43 for connecting with the second IC card module 7, and a positioning portion 44 and an overpressure-proof portion 45 extend from the second connecting portion 43.
Preferably, in this embodiment, the first connection portion 42 includes a first connection plate 421 for connecting with the PCB 5, the first connection plate 421 is disposed in parallel with the PCB 5, a screw hole for connecting with the PCB 5 is formed in the first connection plate 421, and two sides of the first connection plate 421 extend to form a support arm 422 for supporting the second IC card module 7.
Preferably, the second connecting portion 43 includes a second connecting arm 431 extending from one side of the first connecting plate 421, and the second connecting arm 431 is provided with a clamping plate 432 for clamping with the second IC card module 7.
Preferably, in this embodiment, the positioning portion 44 and the over-voltage preventing portion 45 extend from the second connecting arm 431, the positioning portion 44 and the over-voltage preventing portion 45 extend in opposite directions, the second IC card module 7 is supported by the positioning portion 44, and the over-voltage preventing portion 45 contacts with the PCB 5, so as to prevent the second latch 4 from being deformed due to over-voltage.
Preferably, the upper layer connector terminal includes a plurality of pairs of first upper layer terminals and second upper layer terminals.
As shown in fig. 8, the first upper terminal includes a first upper terminal connecting arm 12, and a first contact terminal 13 and a first soldering terminal 14 provided at both ends of the first upper terminal connecting arm 12. In this embodiment, the first upper terminal connecting arm 12 is an L-shaped structure, and a plurality of first fixing portions 15 for connecting the upper connector insulator 11 are further disposed on a sidewall of the first upper terminal connecting arm 12 of the L-shaped structure.
As shown in fig. 9, the second upper terminal includes a second upper terminal connecting arm 16, and a second contact end 17 and a second soldering end 18 provided at both ends of the second upper terminal connecting arm 16. The second upper terminal connecting arm 16 is provided with a second fixing portion 19 for connecting the upper connector insulator 11.
Preferably, the terminals of the lower connector 2 include a plurality of pairs of first and second lower terminals.
As shown in fig. 10, the first lower-layer terminal includes a first lower-layer terminal connecting arm 22, and a third contact end 23 and a third soldering end 24 provided at both ends of the first lower-layer terminal connecting arm 22. The first lower terminal connecting arm 22 is of an L-shaped structure, and a third fixing portion 25 for connecting the lower connector insulator 21 is further disposed on a side wall of the first lower terminal connecting arm 22 of the L-shaped structure.
As shown in fig. 11, the second lower-layer terminal includes a second lower-layer terminal connecting arm 26, and a fourth contact end 27 and a fourth soldering end 28 provided at both ends of the second lower-layer terminal connecting arm 26. The second lower terminal connecting arm 26 is symmetrically provided with fourth fixing portions 29 on both outer side walls for connecting the lower connector insulator 21.
As shown in fig. 12, the lower end of the housing 8 is preferably provided with a first tongue 81 for connecting with the PCB 5 and a first lug 82 for connecting with the upper connector insulator 11.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as hereinafter claimed.
Claims (10)
1. A stackable connector with a locking structure, comprising an upper connector (1) and a lower connector (2) stacked on a PCB (5), characterized in that: the height of the stackable connector is less than 6.8 mm;
the upper layer connector (1) comprises an upper layer connector insulator (11), the upper layer connector insulator (11) extends lengthways and is provided with a central slot into which the first IC card module (6) can be inserted, and the upper layer connector insulator (11) on two sides of the central slot is also provided with a clamping groove for accommodating an upper layer connector terminal;
the lower-layer connector (2) comprises a lower-layer connector insulator (21), the lower-layer connector insulator (21) extends lengthways and is provided with a central slot into which the second IC card module (7) can be inserted, and clamping grooves used for accommodating terminals of the lower-layer connector (2) are formed in the lower-layer connector insulator (21) on two sides of the central slot;
the first IC card module (6) and the second IC card module (7) are respectively clamped on the PCB (5) through a first buckle (3) and a second buckle (4).
2. A stackable connector with a snap-lock arrangement as claimed in claim 1, wherein: the upper end of the upper layer connector (1) is covered with a shell (8), the lower end of the shell (8) is clamped with the PCB (5), and the shell (8) is a metal shielding cover;
the lower end of the shell (8) is provided with a first inserting tongue (81) which is used for being connected with the PCB (5) and a first hanging lug (82) which is used for being connected with the upper connector insulator (11).
3. A stackable connector with a snap-lock arrangement as claimed in claim 1, wherein: the first buckle (3) comprises a first fixing column (31), a second fixing column (32) and a clamping cross beam (33) matched with the first fixing column (31) and the second fixing column (32); one end of the clamping cross beam (33) is detachably connected with the first fixing column (31), and the other end of the clamping cross beam (33) is clamped with the second fixing column (32).
4. A stackable connector with a snap-lock arrangement as claimed in claim 3, wherein: one end of the clamping cross beam (33) is provided with a through hole (34), and the clamping cross beam (33) is connected with the first fixing column (31) through the through hole (34) and the fixing bolt;
the other end of joint crossbeam (33) seted up a joint groove (35), joint groove (35) correspond one end and be a joint mouth, joint mouth department be provided with corresponding back-off, and the width of joint mouth is less than the width in joint groove (35), and joint crossbeam (33) central point put the lateral wall on still be provided with a dog (36).
5. A stackable connector with a snap-lock arrangement as claimed in claim 3, wherein: the second fixing column (32) comprises a fixing seat (37) and two matched pressing rods (38) arranged on the fixing seat (37), and the upper end of each pressing rod (38) is provided with a corresponding clamping joint (39) used for being matched with the clamping groove (35).
6. A stackable connector with a snap-lock arrangement as claimed in claim 1, wherein: the second buckle (4) comprises a buckle body (41), the buckle body (41) comprises a first connecting part (42) connected with the PCB (5) and a second connecting part (43) connected with the second IC card module (7), and a positioning part (44) and an overpressure-preventing part (45) extend out of the second connecting part (43).
7. The stackable connector with the latching structure as claimed in claim 6, wherein: the first connecting portion (42) comprises a first connecting plate (421) connected with the PCB (5), the first connecting plate (421) is arranged in parallel relative to the PCB (5), a screw hole used for being connected with the PCB (5) is formed in the first connecting plate (421), and supporting arms (422) used for supporting the second IC card module (7) extend out of two sides of the first connecting plate (421).
8. The stackable connector with the latching structure as claimed in claim 6, wherein: the second connecting part (43) comprises a second connecting arm (431) extending from one side of the first connecting plate (421), and the second connecting arm (431) is provided with a clamping plate (432) for clamping with the second IC card module (7);
the second connecting arm (431) extends out of a positioning part (44) and an over-pressure preventing part (45), the positioning part (44) and the over-pressure preventing part (45) extend in opposite directions, the second IC card module (7) is propped against through the positioning part (44), and the over-pressure preventing part (45) is in contact with the PCB (5), so that the second buckle (4) is prevented from being deformed due to over-pressure.
9. A stackable connector with a snap-lock arrangement as claimed in claim 1, wherein: the upper layer connector terminal comprises a plurality of pairs of matched first upper layer terminals and second upper layer terminals;
the first upper-layer terminal comprises a first upper-layer terminal connecting arm (12), a first contact end (13) and a first welding end 14, wherein the first contact end and the first welding end are arranged at two ends of the first upper-layer terminal connecting arm (12);
the first upper-layer terminal connecting arm (12) is of an L-shaped structure, and a plurality of first fixing parts (15) used for connecting the upper-layer connector insulators (11) are further arranged on the side wall of the first upper-layer terminal connecting arm (12) of the L-shaped structure;
the second upper-layer terminal comprises a second upper-layer terminal connecting arm (16), a second contact end (17) and a second welding end (18), wherein the second contact end and the second welding end are arranged at two ends of the second upper-layer terminal connecting arm (16), and a second fixing portion (19) used for connecting the upper-layer connector insulator (11) is arranged on the second upper-layer terminal connecting arm (16).
10. A stackable connector with a snap-lock arrangement as claimed in claim 1, wherein: the lower-layer connector (2) terminal comprises a plurality of pairs of matched first lower-layer terminals and second lower-layer terminals;
the first lower layer terminal comprises a first lower layer terminal connecting arm (22), a third contact end (23) and a third welding end (24) which are arranged at two ends of the first lower layer terminal connecting arm (22);
the first lower-layer terminal connecting arm (22) is of an L-shaped structure, and a third fixing part (25) for connecting the lower-layer connector insulator (21) is further arranged on the side wall of the first lower-layer terminal connecting arm (22) of the L-shaped structure;
the second lower-layer terminal comprises a second lower-layer terminal connecting arm (26), a fourth contact end (27) and a fourth welding end (28) which are arranged at two ends of the second lower-layer terminal connecting arm (26);
and fourth fixing parts (29) for connecting the lower-layer connector insulator (21) are symmetrically arranged on two outer side walls of the second lower-layer terminal connecting arm (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297229.4U CN216289391U (en) | 2021-09-23 | 2021-09-23 | Stack connector with lock catch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297229.4U CN216289391U (en) | 2021-09-23 | 2021-09-23 | Stack connector with lock catch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216289391U true CN216289391U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122297229.4U Active CN216289391U (en) | 2021-09-23 | 2021-09-23 | Stack connector with lock catch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216289391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709655A (en) * | 2022-04-13 | 2022-07-05 | 维沃移动通信有限公司 | Card holder connector and electronic equipment |
| CN116826420A (en) * | 2023-08-30 | 2023-09-29 | 深圳市方向电子股份有限公司 | Terminal structure and single-layer connector |
-
2021
- 2021-09-23 CN CN202122297229.4U patent/CN216289391U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709655A (en) * | 2022-04-13 | 2022-07-05 | 维沃移动通信有限公司 | Card holder connector and electronic equipment |
| CN116826420A (en) * | 2023-08-30 | 2023-09-29 | 深圳市方向电子股份有限公司 | Terminal structure and single-layer connector |
| CN116826420B (en) * | 2023-08-30 | 2023-11-03 | 深圳市方向电子股份有限公司 | Terminal structure and single-layer connector |
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