CN212626190U

CN212626190U - Signal terminal fixing structure and connector

Info

Publication number: CN212626190U
Application number: CN202021252680.3U
Authority: CN
Inventors: 陈家军; 沈履善; 陈琼南; 陈宏基
Original assignee: Kunshan Luxshare Precision Industry Co Ltd
Current assignee: Kunshan Luxshare Precision Industry Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-26
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a signal terminal fixed knot constructs and connector belongs to connector technical field. The connector comprises a signal terminal fixing structure, the signal terminal is inserted in the insulator, the signal terminal fixing structure comprises a stop plug, the signal terminal is provided with a first through hole, a conductor at one end of a cable is connected in the first through hole, and a stop groove communicated to the first through hole is formed in the middle of the signal terminal along the radial direction of the signal terminal; the stop plug comprises a stop body and an abutting part, the abutting part is connected with the stop body, a stop groove is formed in the position, corresponding to the stop groove, of the insulator, the stop body is clamped in the stop groove, and the abutting part abuts against the stop groove. The utility model discloses can make the reliable connection of signal terminal and cable, only change the body joint simultaneously and in only changing the inslot, the signal terminal insulator rotation relatively to can prevent to cause the conductor fracture because of the signal terminal is rotatory.

Description

Signal terminal fixing structure and connector

Technical Field

The utility model relates to a connector technical field especially relates to a terminal fixed knot constructs and connector.

Background

With the rapid development of the automobile industry, various functional parts and various parts on the automobile are continuously developed towards the direction of intellectualization, refinement and reliability, and higher requirements are also put forward on the structural design of the automobile connector. Reliable connection of the signal terminals and the cables has an important influence on the reliability of the automotive connector.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a signal terminal fixing structure which can reliably connect a signal terminal and a cable;

another object of the present invention is to provide a connector, which can be reliably connected to a cable.

To achieve the purpose, the utility model adopts the following technical proposal:

a signal terminal fixing structure is characterized in that a signal terminal is inserted into an insulator and comprises a stop plug, the signal terminal is provided with a first through hole, a conductor at one end of a cable is connected into the first through hole, and a stop groove communicated to the first through hole is formed in the middle of the signal terminal along the radial direction of the signal terminal;

the stop plug comprises a stop body and an abutting part, the abutting part is connected with the stop body, a stop groove is formed in the position, corresponding to the stop groove, of the insulator, the stop body is clamped in the stop groove, and the abutting part abuts against the stop groove.

Optionally, the signal terminal is far away from one end of the cable, and a plurality of notches are formed at intervals along the circumferential direction of the signal terminal.

Optionally, a side hole is formed in a side wall of the insulator, and a position of the side hole corresponds to the signal terminal between the notch and the stop groove and is communicated to the signal terminal.

A connector comprises an insulator, a signal terminal inserted in the insulator and the signal terminal fixing structure.

Optionally, the connector further comprises:

a shield shell having a second through hole, the insulator being disposed in the second through hole; and

the shell is provided with a third through hole, and the shielding shell is arranged in the third through hole.

Optionally, the shielding shell includes connecting portion and shielding main part, shielding main part connect in connecting portion, connecting portion include many edges the length direction of connecting portion extends, follows the rib that the circumference of connecting portion distributes.

Optionally, the middle part of each rib is arranged to protrude radially outward of the connecting part in an arc shape.

Optionally, the vertexes of two adjacent ribs away from the central axis of the connecting part are staggered in the length direction of the ribs.

Optionally, the shielding shell further comprises a stop member for fixing the shielding shell in the shell.

Optionally, the cable further comprises a fastening ring, and the fastening ring is sleeved on the shielding layer of the cable connected with the signal terminal.

The utility model has the advantages that:

in the utility model, the signal terminal is inserted in the insulator, the signal terminal fixing structure comprises a stop plug, the signal terminal is provided with a first through hole, a conductor at one end of the cable is connected in the first through hole, and a stop groove communicated to the first through hole is arranged in the middle of the signal terminal along the radial direction of the signal terminal; the stop plug comprises a stop body and a butt joint part, the butt joint part is connected to the stop body, the stop groove is formed in the position, corresponding to the stop groove, of the insulator, the stop body is connected to the stop groove in a clamped mode, the butt joint part can be simultaneously abutted to a conductor of a cable located in a signal terminal when the butt joint part is in the stop groove, therefore, the signal terminal and the cable can be reliably connected, meanwhile, the stop body is connected to the stop groove in a clamped mode, the signal terminal cannot rotate relative to the insulator, and therefore conductor breakage caused by rotation of the signal terminal can be prevented.

Drawings

Fig. 1 is a schematic perspective view of a connector according to an embodiment of the present invention;

fig. 2 is a schematic view of another perspective and three-dimensional structure of a connector according to an embodiment of the present invention;

fig. 3 is a schematic side view of a connector according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is an exploded view of a connector according to an embodiment of the present invention;

fig. 6 is a schematic diagram of an exploded view of another form of a connector according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 6;

fig. 8 is a schematic perspective view of a signal terminal fixing structure according to an embodiment of the present invention;

fig. 9 is an exploded schematic view of a signal terminal fixing structure according to an embodiment of the present invention;

fig. 10 is a schematic side view of a signal terminal fixing structure according to an embodiment of the present invention;

FIG. 11 is a schematic cross-sectional view taken along line B-B of FIG. 10;

fig. 12 is an exploded view of the insulator, signal terminal and cable according to an embodiment of the present invention;

fig. 13 is an exploded view of the housing, shielding shell and stop member according to the embodiment of the present invention;

fig. 14 is a schematic perspective view of a stop member according to an embodiment of the present invention;

fig. 15 is a schematic side view of a housing and a shielding case according to an embodiment of the present invention;

FIG. 16 is a schematic cross-sectional view taken at C-C in FIG. 15;

fig. 17 is a schematic perspective view of a connector according to another embodiment of the present invention;

fig. 18 is a perspective view of a connector according to another embodiment of the present invention with a housing removed.

In the figure:

1. a housing; 11. a clamping hole; 12. elastic tabletting;

2. a shield case; 21. a connecting portion; 22. a shield main body; 221. a locking groove;

3. a stop member; 31. a stop body; 32. briquetting; 33. a locking portion; 34. a clamping buckle;

4. an insulator; 41. a side hole;

5. a locking structure; 51. elastic buckle; 511. a boss; 52. a limiting part;

6. a stop plug; 61. an abutting portion; 62. a rotation stopping body;

7. a fastening ring;

8. a signal terminal; 81. a notch; 82. a stop groove;

9. a cable.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention will be further explained by the following embodiments with reference to fig. 1 to 18.

The present embodiment provides a connector, as shown in fig. 1 to 11, which includes an insulator 4 and a signal terminal 8 inserted in the insulator 4, and further includes a signal terminal fixing structure.

The signal terminal fixing structure comprises a stop plug 6, the signal terminal 8 is provided with a first through hole, a conductor at one end of the cable 9 is connected in the first through hole, and a stop groove 82 communicated to the first through hole is formed in the middle of the signal terminal 8 along the radial direction of the signal terminal 8.

The stop plug 6 comprises a stop body 62 and an abutting part 61, the abutting part 61 is connected with the stop body 62, a stop groove is arranged at the position of the insulator 4 corresponding to the stop groove 82, the stop body 62 is clamped in the stop groove, and the abutting part 61 abuts in the stop groove 82.

In this embodiment, when the abutting portion 61 abuts against the stopper groove 82, it can simultaneously abut against the conductor of the cable 9 located in the signal terminal 8, so that the signal terminal 8 and the cable 9 can be reliably connected, and at the same time, the rotation stopper body 62 is engaged with the stopper groove, so that the signal terminal 8 cannot rotate relative to the insulator 4, and thus the conductor can be prevented from being broken due to the rotation of the signal terminal 8.

As shown in fig. 7, when the signal terminal 8 is a female terminal, the signal terminal 8 is far away from one end of the cable 9, and a plurality of notches 81 are formed at intervals along the circumferential direction of the signal terminal 8. The insertion and extraction of the male end signal terminal and the signal terminal 8 can be facilitated through the notch 81. Alternatively, the notches 81 are provided in two, and the two notches 81 equally divide the end portion of the signal terminal 8 into two. In order to facilitate the insertion of the male-end signal terminal into the signal terminal 8, the end of the signal terminal 8 in this embodiment is flared.

Since the signal terminal 8 is provided with the notch 81 and the stop groove 82, the insertion loss during signal transmission is increased, and in order to reduce the insertion loss, as shown in fig. 6, the side wall of the insulator 4 is provided with a side hole 41, and the position of the side hole 41 corresponds to the signal terminal 8 between the notch 81 and the stop groove 82 and is communicated with the signal terminal 8. The characteristic impedance can be enhanced and the insertion loss can be reduced by the arrangement of the side hole 41.

In order to facilitate the insertion of the signal terminal 8 into the insulator 4, the aperture of the insertion hole of the insulator 4 is generally equal to or slightly larger than the outer diameter of the signal terminal 8, which may cause the signal terminal 8 to shake on the insulator 4, resulting in a large insertion loss of the signal terminal 8, and reducing the rate of signal transmission.

Further, the connector further includes a shield shell 2 and a housing 1, the shield shell 2 having a second through hole, and an insulator 4 disposed in the second through hole. The housing 1 has a third through hole, and the shield case 2 is disposed in the third through hole. Through the setting of shielding shell 2 and insulator 4, make signal terminal 8 from the input of being connected with cable 9 to the all-round shielding of output, strengthened the interference killing feature, reduced signal transmission's decay to data transmission's rate has been improved.

In order to facilitate the connection between the shielding shell 2 and the male end shielding shell in the present embodiment, the shielding shell 2 includes a connecting portion 21 and a shielding main body 22, the shielding main body 22 is connected to the connecting portion 21, and the connecting portion 21 includes a plurality of ribs extending along the length direction of the connecting portion 21 and distributed along the circumference of the connecting portion 21. The insertion and extraction force can be reduced through the arrangement of the ribs, and the connection can be more stable.

Specifically, the middle portion of each rib is provided to protrude radially outward of the connecting portion 21 in an arc shape, but the shield case 2 is tightly connected. In order to reduce the insertion and extraction force when the connecting portion 21 is connected, the apexes of the adjacent two ribs away from the central axis of the connecting portion 21 are staggered in the longitudinal direction of the ribs.

As shown in fig. 2 to 6 and 13 to 16, the connector of the present embodiment further includes a stopper 3, and the stopper 3 is used to fix the shield shell 2 in the housing 1. The arrangement of the stop 3 enables the shielding housing 2 and the components therein to be reliably fixed in the housing 1.

Specifically, the lateral wall of the shell 1 is provided with a clamping hole 11, the middle of the clamping hole 11 is provided with an elastic pressing piece 12, one end of the elastic pressing piece 12 is connected to the lateral wall of the clamping hole 11, and the other end of the elastic pressing piece extends towards the inside of the shell 1. The opposite two side surfaces of the shielding shell 2 are both provided with locking grooves 221. The stop piece 3 comprises a stop main body 31, two locking parts 33 and a pressing block 32, wherein the stop main body 31 is clamped in the clamping hole 11. Two locking portions 33 interval sets up in a side of ending position main part 31, and two locking portions 33 can pass joint hole 11 and joint respectively in a locking groove 221 by the both sides of elasticity preforming 12 respectively, can be spacing with shielding shell 2, make shielding shell 2 and the stable fixing of the component in the shielding shell 2 in casing 1. The pressing piece 32 is disposed on the stop body 31 and can be pressed on the elastic pressing piece 12 to make the elastic pressing piece 12 abut against the shielding shell 2, so as to further reliably connect the shielding shell 2 and the housing 1.

Further, in order to make end position piece 3 can with casing 1 stable connection, prevent to end position piece 3 and break away from casing 1, end position piece 3 still includes the joint and detain 34, the joint is detained 34 and is set up on ending position main part 31, has seted up the lock hole on the elastic pressing piece 12, and joint is detained 34 and is worn to establish in the lock hole, and the one end that the joint was detained 34 is provided with the card protruding, and the card protruding passes the lock hole hook and hangs in the outside of lock hole.

Optionally, the connector further includes a fastening ring 7, and the fastening ring 7 is sleeved on the shielding layer of the cable 9 at the end connected with the signal terminal 8 to fix the shielding layer.

As shown in fig. 1 and fig. 5, in order to facilitate the insertion of the connector and other connectors in this embodiment to complete the signal transmission, a locking structure 5 is disposed on one side of the housing 1, the locking structure 5 includes an elastic buckle 51, one end of the elastic buckle 51 is connected to one end of the housing 1 and extends in the opposite direction of the insertion direction, and a boss 511 is disposed on one side of the elastic buckle 51 opposite to the insertion direction. One side of other connectors is provided with two intervals and sets up the side locating plate, is connected with the blend stop between two side locating plates, has seted up the channel in other connectors, and when connector and other connectors peg graft in this embodiment, elastic buckle 51 can sliding connection in the channel, and boss 511 can end the one side that deviates from the grafting direction at the blend stop. In order to more reliably connect the housing 1 with other connectors, the housing 1 is provided with a limiting portion 252 at an interval from the boss 511, and when the housing 1 is connected with other connectors, the barrier strip can be clamped between the boss 511 and the limiting portion 52.

The connector in this embodiment may be a single-hole connector, as shown in fig. 15 and 16, or may be a four-hole connector, and the number of holes of the connector is not limited to the present invention, for example, the number of holes of the connector may be two holes, six holes, or the like.

In this embodiment, the abutting portion 61 abuts against the stop groove 82, and the abutting portion 61 can abut against the conductor of the cable 9 located in the signal terminal 8, so that the signal terminal 8 and the cable 9 can be reliably connected, and the rotation stop body 62 is engaged with the rotation stop groove, so that the signal terminal 8 cannot rotate relative to the insulator 4, and thus the conductor can be prevented from being broken due to the rotation of the signal terminal 8. And through the setting of shielding shell 2 and insulator 4, make signal terminal 8 from the input of being connected with cable 9 to the all-round shielding of output, strengthened the interference killing feature, reduced signal transmission's decay to data transmission's rate has been improved.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A signal terminal fixing structure is characterized in that a signal terminal (8) is inserted in an insulator (4), the signal terminal (8) fixing structure comprises a stop plug (6), the signal terminal (8) is provided with a first through hole, a conductor at one end of a cable (9) is connected in the first through hole, and a stop groove (82) communicated to the first through hole is formed in the middle of the signal terminal (8) along the radial direction of the signal terminal (8);

the stop plug (6) comprises a stop body (62) and an abutting part (61), the abutting part (61) is connected to the stop body (62), a stop groove is formed in the position, corresponding to the stop groove (82), of the insulator (4), the stop body (62) is clamped in the stop groove, and the abutting part (61) abuts in the stop groove (82).

2. The signal terminal fixing structure according to claim 1, wherein a plurality of notches (81) are formed at intervals along a circumferential direction of the signal terminal (8) at one end of the signal terminal (8) away from the cable (9).

3. The signal terminal fixing structure according to claim 2, wherein a side hole (41) is opened in a side wall of the insulator (4), and the side hole (41) is positioned corresponding to the signal terminal (8) between the notch (81) and the stopper groove (82) and communicated to the signal terminal (8).

4. A connector comprising an insulator (4) and a signal terminal (8) inserted in the insulator (4), characterized by further comprising the signal terminal fixing structure according to any one of claims 1 to 3.

5. The connector of claim 4, further comprising:

a shield shell (2), the shield shell (2) having a second through hole, the insulator (4) being disposed in the second through hole; and

the shell (1), the shell (1) has the third through-hole, shield shell (2) set up in the third through-hole.

6. The connector according to claim 5, wherein the shield shell (2) includes a connecting portion (21) and a shield main body (22), the shield main body (22) being connected to the connecting portion (21), the connecting portion (21) including a plurality of ribs extending in a length direction of the connecting portion (21) and distributed in a circumferential direction of the connecting portion (21).

7. The connector according to claim 6, wherein a central portion of each of the ribs is convexly provided in an arc shape toward a radially outer side of the connecting portion (21).

8. The connector according to claim 7, wherein apexes of adjacent two of the ribs away from a central axis of the connecting portion (21) are staggered in a length direction of the ribs.

9. Connector according to claim 5, further comprising a stopper (3), the stopper (3) being used to fix the shield shell (2) within the housing (1).

10. The connector according to claim 5, further comprising a fastening ring (7), wherein the fastening ring (7) is sleeved on a shielding layer of the cable (9) at the connection end with the signal terminal (8).