CN212626351U - Cable connection structure and connector - Google Patents

Abstract

The utility model discloses a cable connection structure and connector belongs to connector technical field. The connector comprises a cable connecting structure, a conductor of the cable is connected with a signal terminal, the signal terminal is inserted in the insulator, and the cable connecting structure comprises a fastening ring, a fastening part and a fixing part. The fastening ring is used for being fixed on the shielding layer of the cable with the outer sheath stripped at the connecting end; one end of the fastening part is connected to the fastening ring, and the fastening part can be clamped on the cable; one end of the fixing part is connected to one end of the fastening part far away from the fastening ring, and the other end of the fixing part is connected to the insulator. The utility model discloses can strengthen the tensile strength of pulling out between the signal terminal of cable and connector.

Description

Cable connection structure and connector

Technical Field

The utility model relates to a connector technical field especially relates to a cable connection structure 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. After a signal terminal inside an existing automobile connector structure is fixed with a cable, when the cable is pulled by external force, the cable is easily separated from the signal terminal, so that the structure of the automobile connector is not firm, the anti-pulling performance is poor, and the reliability of the automobile connector is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cable connecting structure which can enhance the supporting strength and the drawing resistance of a cable and a connector;

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

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

a cable connection structure, the conductor and the signal terminal of cable are connected, signal terminal inserts and establishes in the insulator, and cable connection structure includes fastening ring, fastening portion and fixed part. The fastening ring is used for being fixed on the shielding layer of the cable with the outer sheath stripped at the connecting end; one end of the fastening part is connected to the fastening ring, and the fastening part can be clamped on the cable; one end of the fixing part is connected to one end of the fastening part far away from the fastening ring, and the other end of the fixing part is connected to the insulator.

Optionally, the fastening portion includes a first elastic fixing piece and a second elastic fixing piece connected to each other at one side, the first elastic fixing piece and the second elastic fixing piece are separately disposed at the other side, and an accommodating space for the cable to penetrate is formed between the first elastic fixing piece and the second elastic fixing piece.

Optionally, the fixing portion is of a T-shaped structure, a T-shaped fixing groove is formed in the insulator, and the fixing portion is connected with the T-shaped fixing groove in a matched manner.

A connector comprises an insulator, a signal terminal and the cable connecting structure, wherein the signal terminal is inserted in the insulator, a conductor of a cable is connected to the signal terminal, one end of the cable connecting structure is connected to the insulator, and the other end of the cable connecting structure is connected to the cable.

Optionally, the connector further comprises a housing and a shielding shell, the housing having a first through hole; the shielding shell is provided with a second through hole, the shielding shell is arranged in the first through hole, the axial direction of the second through hole is consistent with the axial direction of the first through hole, and the insulator is arranged in the second through hole.

Optionally, the signal terminal is a female end, 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, the shielding shell further comprises a stop plug, a stop groove is formed in the middle of the signal terminal along the radial direction of the signal terminal, and the stop plug is stopped between the stop groove and the inner wall of the shielding shell.

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.

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

The utility model has the advantages that:

the cable connecting structure of the utility model comprises a fastening ring, a fastening part and a fixing part, wherein the fastening ring is used for fixing on the shielding layer of the cable with the connecting end stripped of the outer sheath; one end of the fastening part is connected to the fastening ring, and the fastening part can be clamped on the cable; fixed part one end is connected in the one end that fastening ring was kept away from to fastening portion, and the other end is connected in the insulator, the utility model discloses a cable connection structure bears the pulling force between cable and the signal terminal, with fastening portion clamp on the cable to connect the fixed part in the insulator, can strengthen the tensile strength of pulling out between the signal terminal of cable and connector, and can form certain support between cable and the signal terminal through the setting of fastening ring, fastening portion and fixed part, prevent that the relative signal terminal of cable from rocking the junction fracture that causes cable and signal terminal.

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 an insulator, a signal terminal and a cable according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a cable connection structure according to an embodiment of the present invention;

fig. 10 is an exploded view of the insulator, signal terminal and cable according to an embodiment of the present invention;

fig. 11 is an exploded view of the housing, the shielding shell and the stopping member according to the embodiment of the present invention;

fig. 12 is a schematic perspective view of a stop member according to an embodiment of the present invention;

fig. 13 is a schematic side view of a housing and a shielding case according to an embodiment of the present invention;

FIG. 14 is a schematic cross-sectional view taken along line B-B of FIG. 13;

fig. 15 is a schematic perspective view of a connector according to another embodiment of the present invention;

fig. 16 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;

7. a cable connection structure; 71. a fastening ring; 72. a fastening section; 721. a first elastic fixing piece; 722. a second elastic fixing piece; 73. a fixed part;

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 16.

The present embodiment provides a connector, as shown in fig. 1 to 9, which includes an insulator 4, a signal terminal 8, and a cable connection structure 7, the signal terminal 8 being inserted in the insulator 4, a conductor of a cable 9 being connected to the signal terminal 8, the cable connection structure 7 being connected at one end to the insulator 4 and at the other end to the cable 9.

As shown in fig. 9, the cable connection structure 7 includes a fastening ring 71, a fastening portion 72, and a fixing portion 73. The fastening ring 71 is used for fixing the cable 9 on the shielding layer with the outer sheath stripped at the connecting end. One end of the fastening portion 72 is connected to the fastening ring 71, and the fastening portion 72 can be crimped to the cable 9. The fixing portion 73 has one end connected to one end of the fastening portion 72 remote from the fastening ring 71 and the other end connected to the insulator 4.

In the embodiment, the cable connection structure 7 bears the pulling force between the cable 9 and the signal terminal 8, the fastening portion 72 is clamped on the cable 9, and the fixing portion 73 is connected to the insulator 4, so that the pulling resistance between the cable 9 and the signal terminal 8 of the connector can be enhanced, a certain support can be formed between the cable 9 and the signal terminal 8 through the arrangement of the fastening ring 71, the fastening portion 72 and the fixing portion 73, and the cable 9 is prevented from shaking relative to the signal terminal 8 to cause the fracture of the connection part between the cable 9 and the signal terminal 8.

Alternatively, the fastening part 72 includes a first elastic fixing piece 721 and a second elastic fixing piece 722 connected at one side, the other sides of the first elastic fixing piece 721 and the second elastic fixing piece 722 are separately provided, and an accommodating space through which the cable 9 passes is formed between the first elastic fixing piece 721 and the second elastic fixing piece 722. After the cable 9 is inserted between the first elastic fixing piece 721 and the second elastic fixing piece 722, the cable connection structure 7 and the cable 9 in this embodiment may be reliably connected by riveting the first elastic fixing piece 721 and the second elastic fixing piece 722.

In order to further enhance the pull-out resistance of the cable connection structure 7 in this embodiment, the fixing portion 73 is a T-shaped structure, a T-shaped fixing groove is formed on the insulator 4, and the fixing portion 73 is connected to the T-shaped fixing groove in a matching manner.

In detail, the connector in the present embodiment further includes a housing 1 and a shield shell 2, the housing 1 having a first through hole. The shield shell 2 has a second through hole, the shield shell 2 is disposed in the first through hole, and an axial direction of the second through hole is identical to an axial direction of the first through hole, and the insulator 4 is disposed in the second 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.

As shown in fig. 7, the signal terminal 8 is a female end, and a plurality of notches 81 are formed at intervals along the circumferential direction of the signal terminal 8 at one end of the signal terminal 8 away from the cable 9. The insertion and extraction of the male end signal terminal 8 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. The end of the signal terminal 8 in this embodiment is flared to facilitate insertion of the male signal terminal 8 into the signal terminal 8.

As shown in fig. 6 and 7, the connector in this embodiment further includes a stop plug 6, a stop groove 82 is formed in the middle of the signal terminal 8 along the radial direction of the signal terminal 8, and the stop plug 6 passes through the insulator 4 and is stopped between the stop groove 82 and the inner wall of the shield shell 2. The stop plug 6 is stopped and abutted in the stop groove 82, so that the conducting wire in the signal terminal 8 can be stably fixed in the signal terminal 8, the signal transmission rate can be improved, and the conducting wire of the cable 9 can be prevented from being twisted off due to the rotation of the signal terminal 8.

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.

In order to facilitate the connection between the shielding shell 2 and the male-end shielding shell 2 mated and plugged with the shielding shell 2 in this embodiment, as shown in fig. 5, 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 convexly provided in an arc shape toward the radially outer side of the connecting portion 21. 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 11 to 14, the connector in 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.

Optionally, a clamping hole 11 is formed in the side wall of the casing 1, an elastic pressing piece 12 is arranged in the middle of the clamping hole 11, one end of the elastic pressing piece 12 is connected to the side wall of the clamping hole 11, and the other end of the elastic pressing piece extends towards the inside of the casing 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 block 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 that the shielding shell 2 and the housing 1 are further reliably connected.

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.

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, be connected with the blend stop between two side locating plates, the channel has been seted up in other connectors, in this embodiment connector and other connectors peg graft, elastic buckle 51 can sliding connection in the channel, boss 511 can end the one side that deviates from the grafting direction at the blend stop, still be provided with spacing portion 52 on the casing 1, spacing portion 52 and boss 511 interval set up, in order to fix the blend stop between boss 511 and spacing 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.

The connector in this embodiment can make signal terminal 8 from the input of being connected with cable 9 to the all-round shielding of output, has strengthened the interference killing feature, has reduced signal transmission's decay to data transmission's rate has been improved. The cable connecting structure 7 bears the tensile force between the cable 9 and the signal terminal 8, the fastening part 72 is clamped on the cable 9, the fixing part 73 is connected to the insulator 4, the anti-pulling strength between the cable 9 and the signal terminal 8 of the connector can be enhanced, a certain support can be formed between the cable 9 and the signal terminal 8 through the arrangement of the fastening ring 71, the fastening part 72 and the fixing part 73, and the connection part between the cable 9 and the signal terminal 8 is prevented from being broken due to the fact that the cable 9 shakes relative to the signal terminal 8.

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 (10)

1. A cable connection structure in which a conductor of a cable (9) is connected to a signal terminal (8), characterized in that the signal terminal (8) is inserted in an insulator (4), the cable connection structure comprising:

the fastening ring (71) is used for being fixed on the shielding layer of the cable (9) with the outer sheath stripped at the connecting end;

a fastening portion (72) having one end connected to the fastening ring (71), the fastening portion (72) being capable of being crimped onto the cable (9); and

and a fixing portion (73) having one end connected to an end of the fastening portion (72) remote from the fastening ring (71) and the other end connected to the insulator (4).

2. The cable connection structure according to claim 1, wherein the fastening portion (72) includes a first elastic fixing piece (721) and a second elastic fixing piece (722) connected at one side, the other sides of the first elastic fixing piece (721) and the second elastic fixing piece (722) are separately provided, and an accommodation space through which the cable (9) passes is formed between the first elastic fixing piece (721) and the second elastic fixing piece (722).

3. The cable connection structure according to claim 1, wherein the fixing portion (73) is a T-shaped structure, a T-shaped fixing groove is formed in the insulator (4), and the fixing portion (73) is connected with the T-shaped fixing groove in a matching manner.

4. A connector characterized by comprising an insulator (4), a signal terminal (8), and a cable connection structure (7) according to any one of claims 1 to 3, the signal terminal (8) being inserted in the insulator (4), a conductor of the cable (9) being connected to the signal terminal (8), the cable connection structure (7) being connected to the insulator (4) at one end and to the cable (9) at the other end.

5. The connector of claim 4, further comprising:

a housing (1) having a first through hole; and

the shielding shell (2) is provided with a second through hole, the shielding shell (2) is arranged in the first through hole, the axial direction of the second through hole is consistent with the axial direction of the first through hole, and the insulator (4) is arranged in the second through hole.

6. The connector of claim 5, wherein the signal terminal (8) is a female terminal, and a plurality of notches (81) are formed at intervals along the circumferential direction of the signal terminal (8) at one end of the signal terminal (8) away from the cable (9).

7. The connector according to claim 6, further comprising a stop plug (6), wherein a stop groove (82) is formed in the middle of the signal terminal (8) along the radial direction of the signal terminal (8), and the stop plug (6) is stopped between the stop groove (82) and the inner wall of the shielding shell (2).

8. The connector according to claim 7, wherein a side hole (41) is formed 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).

9. 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).

10. 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).

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