CN210120258U

CN210120258U - Connector with a locking member

Info

Publication number: CN210120258U
Application number: CN201920984176.3U
Authority: CN
Inventors: 姚李强; 王勇; 王迎春; 张道宽; 范新征; 何华
Original assignee: Tyco Electronics Shanghai Co Ltd
Current assignee: Tyco Electronics Shanghai Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-02-28
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a connector, include: a housing; a conductive terminal accommodated in the housing; and the elastic clip is arranged in the shell and is suitable for clamping the inserted wire on the conductive terminal, the elastic clip comprises an elastic arm at one end of the elastic clip and an elastic lock catch at the other end of the elastic clip, the elastic lock catch is suitable for moving between a locking position for locking the elastic arm and an unlocking position for releasing the elastic arm, and the elastic lock catch is suitable for being pushed to the unlocking position by the inserted wire so as to release the elastic arm, so that the wire can be clamped on the conductive terminal by the released elastic arm. The utility model discloses in, the unblock position of release elastic arm can directly be promoted by the inserted wire to the elasticity hasp, and need not to use special unblock instrument, consequently, the utility model discloses simplify the wiring operation of connector, improved the wiring efficiency of connector to the wiring degree of difficulty of connector has been reduced.

Description

Connector with a locking member

Technical Field

The utility model relates to a connector.

Background

A connector generally includes an insulative housing and conductive terminals housed in the insulative housing. In the prior art, the connection between the conductive terminals and the conductive wires of the connector is usually a cold press connection, a screw connection or a spring clip connection. The cold press splicing requires a special crimping tool, is cumbersome to operate, and the wire cannot be replaced after crimping. The screw wiring needs a corresponding screw locking tool, and the operation is complex. The existing elastic sheet clamping wiring also needs a special tool (such as a screwdriver) or a special driving mechanism to open the elastic sheet, after the wire is inserted into the elastic sheet, the tool is pulled out or the driving mechanism is released, and the elastic sheet rebounds to clamp the conductor of the wire on the conductive terminal, so that the electrical connection between the wire and the conductive terminal is realized. However, the conventional spring plate clamping wiring operation is still very complicated.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.

According to an aspect of the present invention, there is provided a connector, including: a housing; a conductive terminal accommodated in the housing; and the elastic clip is arranged in the shell and is suitable for clamping the inserted wire on the conductive terminal, the elastic clip comprises an elastic arm at one end of the elastic clip and an elastic lock catch at the other end of the elastic clip, the elastic lock catch is suitable for moving between a locking position for locking the elastic arm and an unlocking position for releasing the elastic arm, and the elastic lock catch is suitable for being pushed to the unlocking position by the inserted wire so as to release the elastic arm, so that the wire can be clamped on the conductive terminal by the released elastic arm.

According to an exemplary embodiment of the present invention, the resilient latch comprises a hook-shaped latch portion adapted to be latched on an edge portion of the resilient arm and a plate-shaped unlocking portion connected to the hook-shaped latch portion; the inserted wire is adapted to move the resilient latch from the locked position to the unlocked position by pushing the plate-shaped unlocking portion.

According to another exemplary embodiment of the present invention, the spring clip further comprises a fixing portion, the fixing portion is fixed in the housing, the spring arm is connected to one end of the fixing portion, and the spring catch is connected to the other end of the fixing portion.

According to another exemplary embodiment of the present invention, the spring arm of the spring clip is movable between a locked position locked by the spring catch, a clamping position clamping the wire on the conductive terminal, and a fully released initial position.

According to another exemplary embodiment of the present invention, the connector further comprises a driving block movably mounted in the housing for driving the resilient arm of the resilient clip to move from the initial position to the locked position.

According to another exemplary embodiment of the present invention, the spring clip further comprises a side wing portion connected to a side edge of the spring arm; the drive block moves the resilient arm from the initial position to the locked position by pushing the wing portion.

According to another exemplary embodiment of the present invention, a slide groove is formed in the housing, in which slide groove the drive block is slidingly received.

According to another exemplary embodiment of the present invention, a smooth arc-shaped contact surface is formed on an end portion of the flank portion contacting the driving block, so that the end portion of the flank portion can slide along the end surface of the driving block.

According to another exemplary embodiment of the present invention, a socket allowing the driving block to be inserted into the sliding groove is formed on an end surface of the housing.

According to another exemplary embodiment of the present invention, the length of the driving block is smaller than the depth of the sliding groove, and the driving block can be pushed to move in the sliding groove by an external tool inserted through the socket.

According to another exemplary embodiment of the present invention, the length of the driving block is greater than the depth of the sliding groove, so that the driving block can be directly pushed by the outer end portion of the driving block, which extends out of the housing, to move in the sliding groove.

According to another exemplary embodiment of the present invention, the conductive terminal is L-shaped, including a first plate-shaped portion and a second plate-shaped portion perpendicular to the first plate-shaped portion; the first plate-like portion of the conductive terminal faces the spring arm of the spring clip, and the inserted wire is adapted to be clamped between the first plate-like portion of the conductive terminal and the spring arm of the spring clip.

According to another exemplary embodiment of the present invention, the connector further comprises a cylindrical plug adapted to mate with a mating connector, the cylindrical plug being electrically connected to the second plate-like portion of the conductive terminal and protruding to an outside of the housing.

According to another exemplary embodiment of the present invention, the cylindrical plug is welded or riveted to the second plate-like portion of the conductive terminal.

According to another exemplary embodiment of the present invention, when the elastic arm of the elastic clip is in the initial position, the elastic arm of the elastic clip is located on an insertion path of the wire to block the wire from being inserted into the housing.

According to another exemplary embodiment of the present invention, when the resilient arm of the resilient clip is in the locked position, the resilient arm of the resilient clip is located outside an insertion path of the wire to allow the wire to be inserted into the housing.

According to the utility model discloses a further exemplary embodiment be formed with on the terminal surface of casing and be used for inserting the wire jack of wire, the wire jack is just right the platelike part of unblocking of elasticity hasp to make the tip of male wire directly push away be in on the platelike part of unblocking.

According to another exemplary embodiment of the present invention, the connector further comprises a cover detachably mounted on the housing for covering the opening of the accommodating chamber of the housing.

According to another exemplary embodiment of the present invention, the spring clip and the conductive terminal are mounted into the housing via an opening of the receiving cavity of the housing.

In each of the foregoing exemplary embodiments according to the present invention, the elastic latch can be pushed to the unlocking position of the releasing elastic arm by the inserted wire without using a special unlocking tool, and therefore, the utility model discloses simplify the wiring operation of the connector, improve the wiring efficiency of the connector, and reduce the wiring degree of difficulty of the connector.

Furthermore, in the aforementioned various exemplary embodiments according to the present invention, the elastic clip is a single piece, and has not only the elastic arm for holding the conductive terminal, but also the elastic latch for locking the elastic arm, so that the elastic clip in the present application is an elastic clip integrated with a self-locking function, and it is not necessary to provide a separate locking member dedicated to locking the elastic arm, and therefore, the structure of the connector is simplified.

Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.

Drawings

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

FIG. 2 shows the connector of FIG. 1 with the cover removed and the spring arms of the spring clip in a fully released initial position;

FIG. 3 shows the connector of FIG. 1 with the cover removed and the spring arms of the spring clip in a locked position locked by the spring catches of the spring clip;

FIG. 4 shows a schematic view of a wire inserted into the connector of FIG. 3, wherein the resilient latch is urged by the inserted wire to an unlocked position separated from the resilient arm;

FIG. 5 is a schematic view of an inserted wire held by resilient spring arms on a conductive terminal;

fig. 6 shows a perspective schematic view of a connector according to another exemplary embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to a general technical concept of the present invention, there is provided a connector, including: a housing; a conductive terminal accommodated in the housing; and the elastic clip is arranged in the shell and is suitable for clamping the inserted wire on the conductive terminal, the elastic clip comprises an elastic arm at one end of the elastic clip and an elastic lock catch at the other end of the elastic clip, the elastic lock catch is suitable for moving between a locking position for locking the elastic arm and an unlocking position for releasing the elastic arm, and the elastic lock catch is suitable for being pushed to the unlocking position by the inserted wire so as to release the elastic arm, so that the wire can be clamped on the conductive terminal by the released elastic arm.

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the present invention; fig. 2 shows the connector of fig. 1 with the cover 200 removed and the spring arms 12 of the spring clip 10 in a fully released initial position. Fig. 5 shows a schematic view of an inserted conductor 1 held on a conductive terminal 30 by resilient spring arms 12.

As shown in fig. 1-2 and 5, in the illustrated embodiment, the connector basically includes: a housing 100, conductive terminals 30 and spring clips 10. The conductive terminals 30 are accommodated in the housing 100. The spring clip 10 is mounted in the housing 100 and is adapted to clamp the conductor 1a of the inserted wire 1 to the conductive terminal 30, thereby electrically connecting the wire 1 to the conductive terminal 30 of the connector.

Fig. 3 shows the connector of fig. 1 with the cover 200 removed and the spring arms 12 of the spring clip 10 in a locked position locked by the

spring catches

14, 15 of the spring clip 10; fig. 4 shows a schematic view of a wire 1 inserted into the connector shown in fig. 3, wherein the

resilient latches

14, 15 are urged by the inserted wire 1 to an unlocked position separated from the resilient arms 12.

As shown in fig. 1-5, in the illustrated embodiment, the spring clip 10 includes a spring arm 12 at one end thereof and a

spring catch

14, 15 at the other end thereof. The

resilient catches

14, 15 are adapted to move between a locked position locking the resilient arm 12 and an unlocked position releasing the resilient arm 12.

As shown in fig. 1 to 5, in the illustrated embodiment, the

resilient latches

14, 15 are adapted to be pushed to an unlocked position by an inserted conductor 1 to release the resilient arms 12 so that the conductor 1 can be clamped on the conductive terminal 30 by the released resilient arms 12.

As shown in fig. 1 to 5, in the illustrated embodiment, the

resilient latch

14, 15 includes a hook-shaped latch portion 14 adapted to latch on an edge portion of the resilient arm 12 and a plate-shaped unlatching portion 15 connected to the hook-shaped latch portion 14. The inserted conductor 1 is adapted to move the

resilient catches

14, 15 from the locked position to the unlocked position by pushing a plate-shaped unlocking portion 15.

As shown in fig. 1 to 5, in the illustrated embodiment, the elastic clip 10 further includes a fixing portion 11, the fixing portion 11 is fixed in the housing 100, the elastic arm 12 is connected to one end of the fixing portion 11, and the

elastic latches

14 and 15 are connected to the other end of the fixing portion 11.

As shown in fig. 1 to 5, in the illustrated embodiment, the spring arm 12 of the spring clip 10 is movable between a locked position (the position shown in fig. 3) locked by the

spring catches

14, 15, a clamping position (the position shown in fig. 5) clamping the conductor 1 to the conductive terminal 30, and a fully released initial position (the position shown in fig. 2).

As shown in fig. 1 to 5, in the illustrated embodiment, the connector further includes an actuating block 20, the actuating block 20 being movably mounted in the housing 100 for actuating the resilient arms 12 of the resilient clip 10 to move from the initial position to the locked position.

As shown in fig. 1 to 5, in the illustrated embodiment, the spring clip 10 further comprises a wing portion 13, the wing portion 13 being connected to a side edge of the spring arm 12. The driving block 20 moves the elastic arm 12 from the initial position to the locked position by pushing the wing part 13.

As shown in fig. 1 to 5, in the illustrated embodiment, a slide groove 120 is formed in the housing 100, and the driving block 20 is slidably received in the slide groove 120.

As shown in fig. 1 to 5, in the illustrated embodiment, a smooth arc-shaped contact surface is formed on the end of the wing portion 13 that contacts the driving block 20 so that the end of the wing portion 13 can slide along the end surface of the driving block 20.

As shown in fig. 1 to 5, in the illustrated embodiment, a socket 102 allowing the driving block 20 to be inserted into the slide groove 120 is formed on an end surface of the housing 100.

As shown in fig. 1 to 5, in the illustrated embodiment, the length of the driving block 20 is smaller than the depth of the slide groove 120, and therefore, the driving block 20 needs to be pushed to move in the slide groove 120 by an external tool (e.g., a screwdriver) inserted through the socket 102.

As shown in fig. 1 to 5, in the illustrated embodiment, the conductive terminal 30 has an L-shape, and includes a first plate-shaped portion 31 and a second plate-shaped portion 32 perpendicular to the first plate-shaped portion 31. The first plate-like portion 31 of the conductive terminal 30 faces the resilient arm 12 of the resilient clip 10, and the inserted wire 1 is adapted to be clamped between the first plate-like portion 31 of the conductive terminal 30 and the resilient arm 12 of the resilient clip 10.

As shown in fig. 1 to 5, in the illustrated embodiment, the connector further includes a cylindrical plug 300 adapted to mate with a counterpart connector, the cylindrical plug 300 being electrically connected to the second plate-like portion 32 of the conductive terminal 30 and protruding to the outside of the housing 100. The cylindrical plug 300 is insertable into a receptacle of a mating connector.

As shown in fig. 1 to 5, in the illustrated embodiment, the stud plug 300 is welded or riveted to the second plate-like portion 32 of the conductive terminal 30.

As shown in fig. 2, in the illustrated embodiment, when the resilient arms 12 of the resilient clip 10 are in the initial position, the resilient arms 12 of the resilient clip 10 are positioned on the insertion path of the lead 1 to block the lead 1 from being inserted into the housing 100.

As shown in fig. 3, in the illustrated embodiment, when the resilient arms 12 of the resilient clip 10 are in the locked position, the resilient arms 12 of the resilient clip 10 are located outside the insertion path of the conductor 1 to allow the conductor 1 to be inserted into the housing 100.

As shown in fig. 3, in the illustrated embodiment, a wire insertion hole 101 for inserting the wire 1 is formed on the end surface of the housing 100, and the wire insertion hole 101 faces the plate-shaped unlocking portion 15 of the

elastic locking device

14, 15, so that the end of the inserted wire 1 can be directly pushed against the plate-shaped unlocking portion 15.

As shown in fig. 1 to 5, in the illustrated embodiment, the connector further includes a cover 200, and the cover 200 is detachably mounted on the housing 100 to cover the opening of the receiving cavity of the housing 100.

As shown in fig. 1 to 5, in the illustrated embodiment, the spring clip 10 and the conductive terminal 30 are mounted into the housing 100 via an opening of the receiving cavity of the housing 100.

The embodiment shown in fig. 6 differs from the embodiment shown in fig. 1 to 5 only in the length of the drive block 20. In the embodiment shown in fig. 6, the length of the driving block 20 is greater than the depth of the slide channel 120, so that the driving block 20 can be directly pushed to move in the slide channel 120 through the outer end portion of the driving block 20 protruding to the outside of the housing 100 without using an external tool inserted into the slide channel 120 to push the driving block 20 to move.

It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.

Claims

1. A connector, comprising:

a housing (100);

an electrically conductive terminal (30) housed in the housing (100); and

a spring clip (10) mounted in the housing (100) adapted to clamp an inserted wire (1) to a conductive terminal (30),

the method is characterized in that:

the spring clip (10) comprising a spring arm (12) at one end thereof and a spring catch (14, 15) at the other end thereof, the spring catch (14, 15) being adapted to move between a locked position locking the spring arm (12) and an unlocked position releasing the spring arm (12),

the elastic lock catch (14, 15) is suitable for being pushed to the unlocking position by the inserted lead (1) so as to release the elastic arm (12), so that the lead (1) can be clamped on the conductive terminal (30) by the released elastic arm (12).

2. The connector of claim 1, wherein:

the elastic lock catches (14 and 15) comprise hook-shaped lock catch parts (14) suitable for being locked on the edge parts of the elastic arms (12) and plate-shaped unlocking parts (15) connected with the hook-shaped lock catch parts (14);

the inserted wire (1) is adapted to move the resilient catch (14, 15) from the locked position to the unlocked position by pushing the plate-shaped unlocking part (15).

3. The connector of claim 1, wherein:

the elastic clamp (10) further comprises a fixing portion (11), the fixing portion (11) is fixed in the shell (100), the elastic arm (12) is connected to one end of the fixing portion (11), and the elastic lock catches (14 and 15) are connected to the other end of the fixing portion (11).

4. The connector of claim 1, wherein:

the spring arm (12) of the spring clip (10) is movable between a locked position, locked by the spring catch (14, 15), a clamping position, clamping the conductor (1) on the conductor (30), and a fully released initial position.

5. The connector of claim 4, wherein:

the connector further comprises an actuating block (20), the actuating block (20) being movably mounted in the housing (100) for actuating the resilient arms (12) of the resilient clip (10) to move from the initial position to the locked position.

6. The connector of claim 5, wherein:

the spring clip (10) further comprising a flank portion (13), the flank portion (13) being connected to a lateral side of the spring arm (12);

the drive block (20) moves the resilient arm (12) from the initial position to the locked position by pushing the wing portion (13).

7. The connector of claim 6, wherein:

a slide groove (120) is formed in the housing (100), and the drive block (20) is slidably received in the slide groove (120).

8. The connector of claim 6, wherein:

a smooth arc-shaped contact surface is formed on the end of the flank portion (13) that contacts the drive block (20) so that the end of the flank portion (13) can slide along the end surface of the drive block (20).

9. The connector of claim 7, wherein:

a socket (102) allowing the drive block (20) to be inserted into the slide groove (120) is formed on an end surface of the housing (100).

10. The connector of claim 9, wherein:

the length of the driving block (20) is smaller than the depth of the slide groove (120), and the driving block (20) can be pushed to move in the slide groove (120) by an external tool inserted through the socket (102).

11. The connector of claim 9, wherein:

the length of the driving block (20) is larger than the depth of the sliding groove (120), so that the driving block (20) can be directly pushed to move in the sliding groove (120) through the outer end part of the driving block (20) protruding to the outside of the shell (100).

12. The connector of claim 1, wherein:

the conductive terminal (30) is L-shaped and comprises a first plate-shaped part (31) and a second plate-shaped part (32) perpendicular to the first plate-shaped part (31);

the first plate-shaped part (31) of the conductive terminal (30) faces the elastic arm (12) of the elastic clip (10), and the inserted wire (1) is suitable to be clamped between the first plate-shaped part (31) of the conductive terminal (30) and the elastic arm (12) of the elastic clip (10).

13. The connector of claim 12, wherein:

the connector further comprises a cylindrical plug (300) adapted to mate with a counterpart connector, the cylindrical plug (300) being electrically connected to the second plate-like portion (32) of the conductive terminal (30) and protruding to the outside of the housing (100).

14. The connector of claim 13, wherein:

the columnar plug (300) is welded or riveted to the second plate-like portion (32) of the conductive terminal (30).

15. The connector of claim 4, wherein:

when the resilient arm (12) of the resilient clip (10) is in the initial position, the resilient arm (12) of the resilient clip (10) is located on an insertion path of the wire (1) to block insertion of the wire (1) into the housing (100).

16. The connector of claim 4, wherein:

when the resilient arm (12) of the resilient clip (10) is in the locked position, the resilient arm (12) of the resilient clip (10) is located outside of an insertion path of the wire (1) to allow the wire (1) to be inserted into the housing (100).

17. The connector of claim 2, wherein:

a wire insertion hole (101) for inserting the wire (1) is formed in the end face of the shell (100), and the wire insertion hole (101) is over against the plate-shaped unlocking part (15) of the elastic lock catches (14, 15), so that the end of the inserted wire (1) can be directly pushed against the plate-shaped unlocking part (15).

18. The connector of claim 1, wherein:

the connector further comprises a cover (200), wherein the cover (200) is detachably arranged on the shell (100) and is used for covering the opening of the accommodating cavity of the shell (100).

19. The connector of claim 18, wherein:

the spring clip (10) and the conductive terminal (30) are mounted into the housing (100) via an opening of a receiving cavity of the housing (100).