CN113437589A

CN113437589A - Connector with shielding shell

Info

Publication number: CN113437589A
Application number: CN202110807717.7A
Authority: CN
Inventors: 史友权; 范帅
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-09-24

Abstract

The invention discloses a connector with a shielding shell, comprising a connector body, the connector body includes an insulating shell and a plurality of terminal modules arranged in the insulating shell, the connector body is connected with a a shielding shell, the shielding shell includes a bending part and a connecting part, the bending part is in contact with the upper surface of the plurality of terminal modules, and the connecting part is in contact with a side surface of the insulating shell; the matching component includes A first matching structure, a second matching structure for limiting the displacement of the shielding shell in the height direction, and a third matching structure for limiting the shifting of the shielding shell in the width direction, the first matching structure is used for limiting the shielding shell in the length direction. Offset in the width direction. The invention fully limits the length, width and height of the shielding shell, so that the cooperation between the shielding shell and the connector body is more reliable, the shielding effect is improved, and the processing difficulty is relatively small.

Description

Connector with shielding shell

Technical Field

The invention relates to the technical field of connectors, in particular to a connector with a shielding shell.

Background

The 2mm connector is a high-speed two-piece connector for a printed board with a basic grid of 2mm, can transmit high-density and high-speed signals, and is used for connecting a single board and a back board in a basic unit box of communication equipment, a back board outgoing line, a single board outgoing line and board-to-board parallel connection. The two-piece connector is divided into a female end connector and a male end connector which is connected with the female end connector in a matching way. At present, the connecting structure between the shielding shell and the connector body of the 2mm bent female connector generally adopts a structure that the shielding shell is provided with a hook claw to be matched with a clamping groove of the connector body or a mortise structure. Its processing nature of these two kinds of structures is poor, and shielding shell and connector body cooperation back structural reliability and stability are relatively poor, easily take place relative skew between shielding shell and the connector body, and then influence shielding effect.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the connector with the shielding shell, which can fully limit the length, width and height of the shielding shell in three directions, so that the matching between the shielding shell and the connector body is more reliable, and the shielding effect is improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: a connector with a shielding shell comprises a connector body with a square structure, wherein the connector body comprises an insulating shell and a plurality of terminal modules arranged in the insulating shell, the connector body is connected with the shielding shell through a matching assembly, the shielding shell comprises a horizontal bending part and a vertical connecting part, the bending part is contacted with the upper surfaces of the terminal modules, and the connecting part is contacted with one side surface of the insulating shell;

the cooperation subassembly includes first cooperation structure, is used for restricting the second cooperation structure of shielding shell at the direction of height skew and is used for restricting the third cooperation structure of shielding shell at the width direction skew, first cooperation structure is including establishing the card strip in connecting portion bottom and establishing the card strip male draw-in groove that is used for of insulating housing bottom, it has at least one spacing groove to open on the card strip, is equipped with at least one in the draw-in groove and spacing groove matched with spacing arch, spacing groove and spacing arch cooperate and be used for restricting the shielding shell at the length direction skew.

Furthermore, the side that insulating housing and connecting portion contacted is cooperation portion, second cooperation structure is including establishing at least one constant head tank in cooperation portion and establishing the spacing piece that corresponds with the constant head tank position on connecting portion, spacing piece is used for stretching into and supports tightly in the constant head tank.

Furthermore, the third cooperation structure includes that establish the fixed arch of the one side that contacts with the terminal module of portion of bending and establish the cooperation logical groove at terminal module upper surface, the both sides face that the logical width direction of cooperation groove width direction matches with fixed bellied both sides face that corresponds respectively.

Furthermore, the bottom positions of the two sides of the width direction on the insulating shell are provided with guide posts, and the clamping grooves are located on the two sides of the insulating shell in the length direction of the guide posts.

Furthermore, the connecting part is provided with an avoiding groove for avoiding the guide post.

Furthermore, one side edge of the bending part, which is far away from the connecting part, is provided with at least one connecting terminal used for being connected with the printed board.

Furthermore, a plurality of slots for inserting the terminal modules are formed in the lower portion of the insulating shell along the length direction of the insulating shell, and the lower portions of the terminal modules are inserted into the slots.

Furthermore, the matching part is provided with a plurality of clamping grooves for connecting the terminal module, and the terminal module is provided with a positioning sheet which stretches into and tightly abuts against the upper surface of the clamping groove.

Furthermore, the positions of two sides of the clamping groove on the matching portion are provided with sliding strips, a sliding groove used for limiting the position of the terminal module is formed between every two adjacent sliding strips, the bottom of the sliding groove is communicated with the slot, and the terminal module is provided with a sliding column matched with the sliding groove.

Furthermore, the bottom of the connecting part is provided with a contact element, the contact element is used for contacting with a grounding contact pin, and the grounding contact pin is arranged in a male end connector which is matched and connected with the connector with the shielding shell.

According to the technical scheme, the invention has the beneficial effects that:

(1) according to the connector with the shielding shell, the shielding shell is of a right-angle structure, the shielding shell is matched with the connector body through the first matching structure, the second matching structure and the third matching structure, the length, the width and the height of the shielding shell are fully limited, the matching between the shielding shell and the connector body is more reliable, the shielding effect is improved, and the machining difficulty is relatively small.

(2) All spacing has been carried out through spacer and block groove, traveller and spout between single terminal module and the insulating casing, has stabilized the position relation between terminal module and the insulating casing, has guaranteed its cooperation nature.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

fig. 2 is a schematic view of a shield case in embodiment 1 of the present invention;

FIG. 3 is a schematic view of a fixing projection in embodiment 1 of the present invention;

fig. 4 is a schematic view of a connector body in embodiment 1 of the present invention;

fig. 5 is a schematic rear view of a connector body according to embodiment 1 of the present invention;

fig. 6 is a schematic view of the insulating housing and the terminal module according to embodiment 1 of the present invention;

FIG. 7 is a schematic sectional view A-A of FIG. 1;

fig. 8 is a schematic view of the embodiment 1 of the present invention in cooperation with a male end connector.

The labels in the figure are: 1. connector body, 2, shielding shell, 21, dodge the groove, 22, the contact, 23, connecting portion, 24, the portion of bending, 25, connecting terminal, 3, first cooperation structure, 31, the card strip, 32, the spacing groove, 33, the draw-in groove, 34, spacing arch, 4, second cooperation structure, 41, spacing piece, 42, the constant head tank, 5, third cooperation structure, 51, fixed arch, 52, the cooperation logical groove, 6, insulating housing, 61, the guide post, 62, the block groove, 63, the slot, 64, cooperation portion, 65, the draw runner, 66, the spout, 7, the terminal module, 71, the spacer, 72, the traveller, 73, fisheye terminal group, 8, male end connector, 81, ground pin.

Detailed Description

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 identical elements in a process, method, article, or apparatus that comprises the element. Furthermore, the terms "upper" and "lower" are based on the orientation and positional relationship shown in the drawings and are only for convenience of description of the present invention, and do not indicate that the referred device or component must have a specific orientation, and thus, should not be construed as limiting the present invention.

The invention is described in further detail below with reference to the figures and the embodiments.

Example 1 of the invention:

as shown in fig. 1 to 7, a connector with a shielding shell includes a connector body 1 having a square structure, the connector body 1 includes an insulating housing 6 and a plurality of terminal modules 7 arranged in the insulating housing 6, the connector body 1 is connected to the shielding shell 2 through a fitting assembly, and the shielding shell 2 is used for preventing electromagnetic and electrostatic interference radiation from entering the connector body 1. The shielding shell 2 is of a right-angle structure and comprises a horizontal bending portion 24 and a vertical connecting portion 23, the bending portion 24 is in contact with the upper surfaces of the plurality of terminal modules 7, the connecting portion 23 is in contact with one side surface of the insulating shell 6, and the side surface of the insulating shell 6 in contact with the connecting portion 23 is a matching portion 64.

The length, width and height directions of the shield case 2 correspond to the left-right, front-back and up-down directions in fig. 1, respectively. The fitting assembly includes a first fitting structure 3, a second fitting structure 4 for restricting the displacement of the shield shell 2 in the height direction, and a third fitting structure 5 for restricting the displacement of the shield shell 2 in the width direction. The first matching structure 3, the second matching structure 4 and the third matching structure 5 are all used for fixing the shielding shell 2 on the connector body 1 more stably, and looseness and offset are prevented from occurring.

The first engaging structure 3 includes a strip-shaped card strip 31 disposed at the bottom of the connecting portion 23 and a card slot 33 disposed at the bottom of the insulating housing 6 for inserting the card strip 31, and when the card strip 31 is engaged with the card slot 33, front and rear sides of the card strip 31 are engaged with front and rear sides of the card slot 33 respectively, so as to limit the shift of the shielding shell 2 in the width direction. The clamping strip 31 is provided with a plurality of limiting grooves 32, a plurality of limiting protrusions 34 matched with the limiting grooves 32 are arranged in the clamping groove 33, the limiting grooves 32 are matched with the limiting protrusions 34 to limit the shielding shell 2 to shift in the length direction, and when the limiting grooves 32 are matched with the limiting protrusions 34, the limiting grooves 32 are inserted into the two sides of the limiting protrusions 34 from top to bottom.

The second fitting structure 4 includes a plurality of square positioning slots 42 formed in the middle of the fitting portion 64 and a limiting piece 41 formed in the middle of the connecting portion 23 and used for extending into and abutting against the upper surfaces of the positioning slots 42. The limiting sheet 41 is of a piercing spring structure, the limiting sheet 41 is composed of a piercing groove formed in the connecting portion 23 and a vertical first spring sheet arranged at the bottom end of the piercing groove, the first spring sheet is tilted to one side close to the insulating housing 6, and the upper surface of the first spring sheet abuts against the upper surface of the positioning groove 42 to limit the relative position between the shielding housing 2 and the insulating housing 6. The shielding shell 2 is installed at the connector body 1 in-process from top to bottom along the connecting portion 23, and the first elastic sheet is in a state of compressing tightly the deformation to the outside, and until the first elastic sheet moves to the position of the positioning groove 42, the upper surface of the first elastic sheet stretches into and abuts against the upper surface of the positioning groove 42, and at this moment, the first elastic sheet is restored to the original shape.

The third matching structure 5 includes a fixing protrusion 51 provided on one side of the bending portion 24 contacting the terminal module 7 and a matching through groove 52 provided on the upper surface of the terminal module 7, and two side surfaces of the matching through groove 52 in the width direction are respectively matched with two corresponding side surfaces of the fixing protrusion 51. The fixing protrusion 51 is of a piercing protrusion structure, the fixing protrusion 51 is composed of a first groove formed in the bending portion 24 and an arch protrusion arranged at the bottom of the first groove, two opposite sides of the arch protrusion are connected with two sides of the bottom of the first groove, and the other two sides of the arch protrusion are matched with two side faces of the matching through groove 52 in the width direction.

The position department of width direction both sides bottom is equipped with guide post 61 on insulating housing 6, draw-in groove 33 is located insulating housing 6 and goes up guide post 61 length direction's both sides, and guide post 61 plays the guide effect when being used for the connector installation. The connecting portion 23 is provided with an avoiding groove 21 for avoiding the guide post 61, positions of two sides of the avoiding groove 21 at the bottom of the connecting portion 23 are provided with a plurality of contact pieces 22, the contact pieces 22 are of a penetrating elastic piece structure, the contact pieces 22 are formed by a second groove formed in the connecting portion 23 and a vertical second elastic piece arranged at the bottom end of the second groove, and the second elastic piece tilts towards one side far away from the connecting portion 23.

As shown in fig. 8, this embodiment is adapted to mate with a male end connector 8, which together form a connector assembly. A plurality of ground pins 81 are provided in the male end connector 8. When the embodiment is inserted into the male end connector 8 from top to bottom, the grounding pin 81 on the male end connector 8 presses the contact 22 inwards, so that reliable contact between the contact 22 and the grounding pin 81 is ensured to realize grounding, and a shielding effect is further achieved.

The card strip 31 is located at a position below the plurality of contacts 22. One side edge of the bending portion 24, which is far away from the connecting portion 23, is provided with a plurality of connecting terminals 25, and the connecting terminals 25 are in a fisheye shape and are used for being connected with a printed board to play a role in shielding.

The lower part of insulating housing 6 is equipped with a plurality of slots 63 that are used for inserting terminal module 7 along its length direction, and the lower part of terminal module 7 is pegged graft in slot 63, and a plurality of terminal modules 7 arrange in proper order along the length direction of insulating housing 6. The terminal module 7 includes an injection-molded body and a plurality of rows of fisheye terminal groups 73 provided in the injection-molded body. The plurality of terminal modules 7 are sequentially inserted into the insulating housing 6, and the connector body 1 can be assembled, and at this time, the matching portion 64 is located on one side of the insulating housing 6, which is far away from the fisheye terminal set 73.

The matching portion 64 is provided with a plurality of square clamping grooves 62 for connecting the terminal module 7, the terminal module 7 is provided with a positioning sheet 71 which stretches into and tightly abuts against the upper surface of the clamping grooves 62, the positioning sheet 71 is of a spring sheet structure, and the positioning sheet 71 tilts towards one side close to the insulating shell 6. The two sides of the engaging groove 62 on the engaging portion 64 are provided with sliding strips 65, a sliding groove 66 for limiting the left and right positions of the terminal module 7 is formed between two adjacent sliding strips 65, and the bottom of the sliding groove 66 is communicated with the slot 63. The terminal module 7 is provided with a sliding column 72 which is matched with the sliding groove 66. Both the piercing spring structure and the spring structure are well known to those skilled in the art and will not be described herein.

The top of the sliding groove 66 is also provided with a square limiting groove, and the top of the sliding column 72 is provided with a convex block matched with the limiting groove. When the terminal module 7 is installed, the sliding column 72 slides along the sliding groove 66 to plug the terminal module 7 into the insulating housing 6 until the lower surface of the projection of the sliding column 72 contacts with the lower surface of the limiting groove, that is, the terminal module 7 is installed in place.

The working principle of the embodiment 1 of the invention is as follows:

the plurality of terminal modules 7 are sequentially inserted into the insulating housing 6 to be assembled into the connector body 1, and then the shield shell 2 is mounted on the connector body 1 to be assembled into the connector. Cooperate through first cooperation structure 3, second cooperation structure 4 and third cooperation structure 5 between shielding shell 2 and the connector body 1, fully carried on spacingly to the high three direction of shielding shell 2 length width, make the cooperation between shielding shell 2 and the connector body 1 more reliable, improved the shielding effect.

Example 2 of the invention:

the present embodiment is different from embodiment 1 in that the second fitting structure 4 in embodiment 1 includes a plurality of positioning grooves 42 provided in the middle of the fitting portion 64 and a stopper piece 41 provided in the middle of the connecting portion 23. In this embodiment, the second fitting structure is: the connecting part is provided with a groove, and the matching part is provided with a corresponding protruding structure for matching.

Example 3 of the invention:

the present embodiment is different from embodiment 1 in that the fixing projection 51 in embodiment 1 is a piercing projection structure. In this embodiment, the fixing protrusion has a rectangular parallelepiped structure, and two side surfaces of the matching through groove in the width direction are respectively matched with two corresponding side surfaces of the fixing protrusion.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a take connector of shield shell, includes connector body (1) of square structure, connector body (1) includes insulating casing (6) and arranges a plurality of terminal module (7) in insulating casing (6), its characterized in that: the connector body (1) is connected with a shielding shell (2) through a matching assembly, the shielding shell (2) comprises a horizontal bending part (24) and a vertical connecting part (23), the bending part (24) is contacted with the upper surfaces of a plurality of terminal modules (7), and the connecting part (23) is contacted with one side surface of an insulating shell (6);

the cooperation subassembly includes first cooperation structure (3), is used for restricting second cooperation structure (4) of shield shell (2) at the direction of height skew and is used for restricting third cooperation structure (5) of shield shell (2) at the width direction skew, first cooperation structure (3) are including establishing card strip (31) in connecting portion (23) bottom and establishing card strip (31) male draw-in groove (33) that is used for of insulating housing (6) bottom, it has at least one spacing groove (32) to open on card strip (31), is equipped with at least one in draw-in groove (33) and spacing groove (32) matched with spacing arch (34), spacing groove (32) cooperate with spacing arch (34) and are used for restricting shield shell (2) at length direction skew.

2. The connector with a shield shell according to claim 1, characterized in that: the side that insulating housing (6) and connecting portion (23) contacted is cooperation portion (64), second cooperation structure (4) including establish at least one constant head tank (42) on cooperation portion (64) and establish spacing piece (41) that correspond with constant head tank (42) position on connecting portion (23), spacing piece (41) are used for stretching into in the tight constant head tank (42) of support.

3. The connector with a shield shell according to claim 2, characterized in that: the third matching structure (5) comprises a fixing protrusion (51) arranged on one surface, which is contacted with the terminal module (7), of the bending part (24) and a matching through groove (52) arranged on the upper surface of the terminal module (7), and two side surfaces of the matching through groove (52) in the width direction are matched with two corresponding side surfaces of the fixing protrusion (51) respectively.

4. The connector with a shield shell according to claim 1, characterized in that: the insulating housing (6) is provided with guide posts (61) at the bottom of the two sides in the width direction, and the clamping grooves (33) are located on the two sides of the insulating housing (6) in the length direction of the guide posts (61).

5. The connector with shield shell according to claim 4, characterized in that: the connecting part (23) is provided with an avoidance groove (21) for avoiding the guide column (61).

6. The connector with a shield shell according to claim 1, characterized in that: one side edge of the bending part (24) far away from the connecting part (23) is provided with at least one connecting terminal (25) used for being connected with a printed board.

7. The connector with a shield shell according to claim 2, characterized in that: the lower part of the insulating shell (6) is provided with a plurality of slots (63) used for inserting the terminal modules (7) in the length direction, and the lower parts of the terminal modules (7) are inserted into the slots (63).

8. The connector with a shield shell according to claim 7, characterized in that: the terminal module is characterized in that the matching part (64) is provided with a plurality of clamping grooves (62) for connecting the terminal module (7), and the terminal module (7) is provided with a positioning sheet (71) which stretches into and tightly abuts against the upper surfaces of the clamping grooves (62).

9. The connector with a shield shell according to claim 8, characterized in that: the terminal module is characterized in that sliding strips (65) are arranged at two side positions of a clamping groove (62) on the matching portion (64), a sliding groove (66) used for limiting the position of the terminal module (7) is formed between every two adjacent sliding strips (65), the bottom of the sliding groove (66) is communicated with the slot (63), and a sliding column (72) matched with the sliding groove (66) is arranged on the terminal module (7).

10. The connector with the shield shell according to any one of claims 1 to 9, characterized in that: the bottom of the connecting part (23) is provided with a contact element (22), the contact element (22) is used for contacting with a grounding contact pin (81), and the grounding contact pin (81) is arranged in a male end connector (8) which is matched and connected with the connector with the shielding shell.