CN116742392A - Connector with a plurality of connectors - Google Patents

Abstract

A connector comprises a base body, a plurality of wires and a rear cover. The seat body is provided with a butt joint part positioned at the front end and a body part positioned at the rear end. The lead extends rearward out of the body portion of the housing. The back lid includes along the first lid and the second lid of upper and lower direction mutual equipment, first lid has along the first anterior segment of fore-and-aft direction extension and along the first back end of upper and lower direction extension, the second lid has along the second anterior segment of fore-and-aft direction extension and along the second back end of upper and lower direction extension, first anterior segment and the second anterior segment of back lid are used for holding the at least local part of the body portion of pedestal, first back end and the second back end of back lid are used for holding the at least local part of wire. The rear cover further comprises a front section locking structure arranged between the first front section and the second front section and a rear section locking structure arranged between the first rear section and the second rear section, wherein the front section locking structure is combined in the vertical direction and generates a locking effect, and the rear section locking structure is combined in the vertical direction and generates a locking effect in the front-rear direction.

Description

Connector with a plurality of connectors

Technical Field

The present invention relates to a connector, and more particularly, to a connector having a rear cover for performing a wire-alignment function.

Background

Korean novel patent publication No. KR10-2278483B1 discloses forming a fixing member on a first cover, the fixing member being formed of a plurality of fixing members arranged along the circumference of the first cover. The fixing member is in the form of an elastically deformable cantilever protruding toward the second cover, and a fixing groove into which the fixing protrusion of the second cover is inserted is formed in the fixing member. The fixing member and the fixing protrusion are locking means for maintaining a coupled state of the first cover and the second cover. The two first stops of the first cover are spaced apart along the first mounting groove and pass through a retainer that supports the connector when the housing of the connector is inserted. The first stops of the second cover are spaced apart along the second mounting groove and support the retainer of the connector when inserted into the housing of the connector.

The fixing member and the fixing protrusion in the prior art may have insufficient locking force due to the combination of elastic locking and fastening, and may be accidentally disassembled due to the outward exposed structure of the fixing member and the fixing protrusion.

Disclosure of Invention

It is therefore an object of the present invention to provide a connector that ameliorates at least one of the problems of the prior art.

Thus, in some embodiments, the connector of the present invention includes a housing, a plurality of terminals, a plurality of wires, and a rear cover. The seat body is provided with a butt joint part positioned at the front end and a body part positioned at the rear end. The terminals are assembled on the base body. The plurality of leads are respectively connected with the plurality of terminals, and the plurality of leads extend out of the body part of the base body backwards. The back cover comprises a first cover body and a second cover body which are mutually assembled along an up-down direction, wherein the first cover body is provided with a first front section extending along a front-back direction and a first back section extending along the up-down direction, the second cover body is provided with a second front section extending along the front-back direction and a second back section extending along the up-down direction, the first front section and the second front section of the back cover are used for accommodating at least partial parts of the body part of the base body, and the first back section and the second back section of the back cover are used for accommodating at least partial parts of a plurality of wires. The back cover further comprises a front section locking structure which is positioned at the side edge and is arranged between the first front section and the second front section, and a back section locking structure which is positioned at the side edge and is arranged between the first back section and the second back section, wherein the front section locking structure is combined along the up-down direction and generates a locking effect in the up-down direction, and the back section locking structure is combined along the up-down direction and generates a locking effect in the front-back direction.

In some embodiments, the front locking structure comprises a first locking piece and a second locking piece which are matched with each other in a buckling manner, and the rear locking structure comprises a first locking rail and a second locking rail which are matched with each other in an assembling manner of the groove rail.

In some embodiments, the first snap-lock rail extends in the up-down direction and presents a rail structure of an outward barb side, and the second snap-lock rail extends in the up-down direction and presents a rail structure of an inward barb side.

In some embodiments, the first and second snap-lock rails are combined with each other so as to be hidden within the rear cover.

In some embodiments, the first locking rail is formed on the first cover body and is located at an inner side relative to the second locking rail, the second locking rail is formed on the second cover body and is located at an outer side relative to the first locking rail, the first locking rail extends along the up-down direction and is in a rail structure of a barb edge facing the outer side, and the second locking rail extends along the up-down direction and is in a rail structure of a barb edge facing the inner side.

In some embodiments, the first latch member is configured as a latch block, and the second latch member is configured as a latch plate having a latch hole, the latch block and the latch hole being latched in correspondence with each other.

In some embodiments, the connector further comprises a terminal positioning member assembled on the base and used for positioning the terminal, the first front section of the first cover has a first concave portion, the second front section of the second cover has a second concave portion, and the first concave portion of the first cover and the second concave portion of the second cover are used for accommodating at least partial portions of the terminal positioning member.

In some embodiments, the body of the base of the connector has a first side and a second side opposite to each other, and a latch member disposed on the first side, the first front section of the first cover has a first escape slot, the second front section of the second cover has a second escape slot, the rear cover is configured to selectively receive at least a partial portion of the body of the base and at least a partial portion of the plurality of wires in a first assembled state or a second assembled state, the first front section of the first cover covers at least a partial portion of the first side, and the first escape slot of the first cover is configured to escape the latch member, and the second front section of the second cover covers at least a partial portion of the second side; in the second assembled state, the second front section of the second cover covers at least a partial portion of the first side, and the second avoidance groove of the second cover avoids the locking piece, and the first front section of the first cover covers at least a partial portion of the second side.

The rear cover in the connector of the present invention has the function of a whole wire, provides a solution to bend the wire at right angles for flexible application, and protects the wire from accidental damage when in use. In addition, the rear cover of the invention is provided with two different locking structures of the front locking structure and the rear locking structure, the locking force is enough, and moreover, the first locking rail and the second locking rail of the rear locking structure are combined in a manner of being hidden in the rear cover, so that the rear cover is not easy to open accidentally. It should be noted that the rear cover of the present invention can be selectively assembled after the connector is mated with the mating connector, so that the overall space utilization is flexible.

Drawings

Other features and advantages of the invention will be apparent from the following description of the embodiments with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of an embodiment of the connector of the present invention with the rear cover of the embodiment in a first assembled state;

FIG. 2 is an exploded perspective view of the embodiment of FIG. 1;

FIG. 3 is another exploded perspective view of the embodiment of FIG. 1 from another perspective;

FIG. 4 is a further exploded perspective view of the embodiment, with the rear cover omitted;

FIG. 5 is an exploded perspective view of the rear cover of this embodiment;

FIG. 6 is a cross-sectional view of the embodiment of FIG. 1 illustrating the front locking structure of the rear cover of the embodiment;

FIG. 7 is another cross-sectional view of the embodiment of FIG. 1 illustrating the rear closure of the rear cover of the embodiment;

FIG. 8 is a perspective view of the embodiment of FIG. 1 with a mating connector mated with each other, the first cover of the rear cover of the embodiment not yet assembled; and

fig. 9 is a perspective view of the embodiment with the rear cover of the embodiment in a second assembled state.

The reference numerals are as follows:

100. connector with a plurality of connectors

1. Seat body

11. Butt joint part

12. Body part

121. First side

122. Second side

123. Lock catch piece

13. Terminal accommodating groove

14. Buckle convex part

2. Terminal for connecting a plurality of terminals

21. Fixing section

211. Fastening convex part

212. Blocked convex part

22. Contact section

23. Connecting section

3. Conducting wire

4. Terminal positioning piece

41. Rod part

42. Assembling part

421. Buckle hole

43. Stop post

5. Rear cover

51. First cover body

511. First front section

511a first concave part

511b first avoidance groove

512. First rear section

52. Second cover body

521. Second front section

521a second concave section

521b second avoidance groove

522. Second rear section

53. Front section locking structure

531. First locking piece

531a lock catch block

532. Second locking piece

532a latch plate

532b latch hole

533. Front limit part

534. Rear limit part

54. Rear section locking structure

541. First lock catch rail

542. Second lock catch rail

200. Butt-joint connector

D1 In the front-rear direction

D2 Left-right direction

D3 In the up-down direction

Detailed Description

Referring to fig. 1 to 4, an embodiment of a connector 100 according to the present invention includes a housing 1, a plurality of terminals 2, a plurality of wires 3, two terminal positioning members 4, and a rear cover 5.

The housing 1 has a mating portion 11 located at the front end in a front-rear direction D1 (the direction indicated by the arrow is the front and the reverse direction is the rear) for mating with a mating connector 100 (see fig. 8), a body portion 12 located at the rear end in the front-rear direction D1, and a plurality of terminal accommodating grooves 13 formed penetrating the mating portion 11 and the body portion 12 in the front-rear direction D1, the plurality of terminal accommodating grooves 13 being arranged side by side at intervals in a left-right direction D2 (the direction indicated by the arrow is the right and the reverse direction is the left) and being arranged in two rows in a up-down direction D3 (the direction indicated by the arrow is the up and the reverse direction is the down). The body portion 12 of the housing 1 of the connector 100 has a first side 121 and a second side 122 located at opposite sides, and a locking member 123 disposed at the first side 121 for locking with the mating connector 100, wherein in the present embodiment, the first side 121 is located at a top side and the second side 122 is located at a bottom side.

The terminals 2 are assembled in the terminal accommodating grooves 13 of the base 1 from the back to the front, each terminal 2 has a fixing section 21 fixed in the terminal accommodating grooves 13, a contact section 22 extending forward from the fixing section 21, and a connecting section 23 extending backward from the fixing section 21, the fixing section 21 has two clamping protrusions 211 clamped on the inner wall surface of the corresponding terminal accommodating groove 13. The plurality of wires 3 are mechanically and electrically connected to the connection sections 23 of the plurality of terminals 2, respectively, and the plurality of wires 3 extend rearward from the plurality of terminal receiving grooves 13 out of the body portion 12 of the housing 1.

The two terminal positioning members 4 are respectively assembled on the first side 121 and the second side 122 of the body portion 12 of the base 1, and are respectively used for positioning the two rows of terminals 2 arranged up and down. The base 1 is formed with a plurality of latching protrusions 14 on the first side 121 and the second side 122 of the body 12, and the fixing section 21 of each terminal 2 further has two blocked protrusions 212 in the corresponding terminal accommodating groove 13. Each of the terminal positioning members 4 has a lever portion 41 extending in the left-right direction D2 and abutting forward against the body portion 12 of the housing 1, two assembling portions 42 extending forward from the lever portion 41 and assembled to the body portion 12 of the housing 1, and a plurality of stopper posts 43 extending forward from the lever portion 41 and respectively extending into the plurality of terminal accommodating grooves 13. The two assembling parts 42 of the terminal positioning member 4 located above are assembled on the first side 121 of the main body 12 of the base 1, and the plurality of stop posts 43 of the terminal positioning member 4 located above extend into the plurality of terminal accommodating grooves 13 located in the upper row; the two assembling portions 42 of the terminal positioning member 4 located below are assembled on the second side 122 of the main body 12 of the base 1, and the plurality of stop posts 43 of the terminal positioning member 4 located below extend into the plurality of terminal accommodating grooves 13 located below. Each of the assembling portions 42 of the two terminal positioning members 4 is formed with a fastening hole 421, and the fastening hole 421 is configured to fasten with the corresponding fastening protrusion 14 of the first side 121 or the second side 122. The retaining posts 43 of the two terminal positioning members 4 are respectively used for retaining the blocked convex parts 212 of the plurality of terminals 2 in the backward direction so as to prevent the plurality of terminals 2 from being separated from the plurality of terminal accommodating grooves 13 backward.

Referring to fig. 1 to 2 and 5 to 7, the rear cover 5 includes a first cover 51 and a second cover 52 assembled with each other along the up-down direction D3. The first cover 51 has a first front section 511 extending along the front-rear direction D1 and a first rear section 512 extending along the up-down direction D3; the second cover 52 has a second front section 521 extending in the front-rear direction D1 and a second rear section 522 extending in the up-down direction D3. The first front section 511 of the first cover 51 and the second front section 521 of the second cover 52 in the rear cover 5 together form a front section of the rear cover 5, and are configured to accommodate a partial portion of the body 12 of the base 1; the first rear section 512 of the first cover 51 and the second rear section 522 of the second cover 52 in the rear cover 5 together form a rear section of the rear cover 5 and are configured to accommodate a partial portion of the plurality of wires 3, wherein the front section and the rear section of the rear cover 5 are perpendicular to each other, that is, the rear cover 5 is entirely L-shaped in configuration, and the plurality of wires 3 can be accommodated in an L-shaped manner by the rear cover 5 having the L-shaped configuration.

The rear cover 5 further includes a front locking structure 53 located at the side and disposed between the first front section 511 and the second front section 521, and a rear locking structure 54 located at the side and disposed between the first rear section 512 and the second rear section 522. Since the rear cover 5 has two different locking structures, i.e., the front locking structure 53 and the rear locking structure 54, the locking force is sufficient.

The front locking structure 53 is combined along the up-down direction D3 and generates a locking effect in the up-down direction D3, and the front locking structure 53 includes two first locking members 531 and two second locking members 532 that are matched with each other in a fastening manner. The two first locking members 531 are respectively formed at two sides of the first front section 511 of the first cover 51, and the two second locking members 532 are respectively formed at two sides of the second front section 521 of the second cover 52. The first locking piece 531 is configured as a locking block 531a, the second locking piece 532 is configured as a locking piece 532a having a locking hole 532b, and the locking block 531a and the locking hole 532b are correspondingly locked to each other. Further, in the present embodiment, the front locking structure 53 further includes a front limiting portion 533 and a rear limiting portion 534 formed at the side edge of the first front section 511 of the first cover 51, where the front limiting portion 533 and the rear limiting portion 534 are respectively located in front of and behind the latch 532a to limit the position of the latch 532a in the front-rear direction D1.

The rear locking structure 54 is combined along the up-down direction D3 and produces a locking effect in the front-rear direction D1. The rear locking structure 54 includes two first locking rails 541 and two second locking rails 542 that are mutually matched in a groove rail assembly manner, and the first locking rails 541 and the second locking rails 542 are combined with each other so as to be hidden in the rear cover 5, thus being not easy to be accidentally opened. The first locking rail 541 is formed at the first rear section 512 of the first cover 51 and is located at the inner side with respect to the second locking rail 542, the second locking rail 542 is formed at the second rear section 522 of the second cover 52 and is located at the outer side with respect to the first locking rail 541, the first locking rail 541 extends along the up-down direction D3 and has a rail structure of a barb side facing the outer side, and the second locking rail 542 extends along the up-down direction D3 and has a rail structure of a barb side facing the inner side. In this embodiment, the first locking rail 541 is a backward barb, and the second locking rail 542 is a forward barb, but in other embodiments, the first locking rail 541 may be a forward barb and the second locking rail 542 may be a backward barb, which is not limited thereto.

The front locking structure 53 generates a locking effect in the up-down direction D3, so as to prevent the first front section 511 and the second front section 521, which are opposite to each other, from being separated from each other along the up-down direction D3; the rear locking structure 54 provides a locking effect in the front-rear direction D1, so as to prevent the front-rear opposite first rear section 512 and the second rear section 522 from being separated from each other along the front-rear direction D1. In this way, the first cover 51 and the second cover 52 are limited to each other in the up-down direction D3 and the front-rear direction D1. The limiting action of the rear cover 5 in the left-right direction D2 is generated by the sides of the front and rear sections, which are overlapped with each other in the left-right direction D2, between the first cover 51 and the second cover 52.

It should be noted that the rear cover 5 can be selectively assembled after the connector 100 is mated with the mating connector 200, so that the overall space utilization is flexible. As shown in fig. 8, after the connector 100 is mated with the mating connector 200, the second cover 52 of the rear cover 5 may be aligned with the base 1, and then the first cover 51 of the rear cover 5 may be assembled to the second cover 52, and the rear cover 5 may be assembled to the base 1.

Referring to fig. 1 to 3, 5 and 9, in addition, the first front section 511 of the first cover 51 has a first recess 511a formed on the inner side surface and a first escape groove 511b. The second front section 521 of the second cover 52 has a second recess 521a formed on the inner surface thereof and a second escape groove 521b. The first concave portion 511a of the first cover 51 and the second concave portion 521a of the second cover 52 are configured to accommodate a partial portion (the assembly portion 42) of the terminal positioning member 4. The rear cover 5 can alternatively accommodate partial portions of the plurality of wires 3 and partial portions of the body portion 12 of the housing 1 in a first assembled state (see fig. 1) or a second assembled state (see fig. 9) as described above. As shown in fig. 1, in the first assembled state, the first cover 51 is up and the second cover 52 is down, the first front section 511 of the first cover 51 covers a part of the first side 121, the first avoiding groove 511b of the first cover 51 avoids the locking member 123, the second front section 521 of the second cover 52 covers a part of the second side 122, and the cover 5 bends each wire 3 into a downward right angle bend. As shown in fig. 9, in the second assembled state, the first cover 51 is down and the second cover 52 is up, the second front section 521 of the second cover 52 covers a part of the first side 121, the second avoiding groove 521b of the second cover 52 avoids the locking member 123, the first front section 511 of the first cover 51 covers a part of the second side 122, and the cover 5 bends each wire 3 into an upward right angle bend. That is, the rear cover 5 can be flexibly assembled to the base 1 in the first assembled state or the second assembled state as required.

In summary, the rear cover 5 of the connector 100 of the present invention has the function of a whole wire, providing a solution for bending the wires 3 at right angles for flexible application, and protecting the wires 3 from accidental damage when in use. In addition, the rear cover 5 of the present invention has two different locking structures, i.e. the front locking structure 53 and the rear locking structure 54, so that the locking force is sufficient, and furthermore, the first locking rail 541 and the second locking rail 542 of the rear locking structure 54 are hidden in the rear cover 5 and combined, so that they are not easy to be opened accidentally. It should be noted that the rear cover 5 of the present invention can be selectively assembled after the connector 100 is mated with the mating connector 200, so that the overall space utilization is flexible.

However, the above-mentioned embodiments are merely examples of the present invention, and the present invention is not limited to the embodiments, but is intended to cover modifications and equivalent arrangements included within the scope of the appended claims and their equivalents.

Claims (8)

1. A connector, comprising:

a base body having a butt joint part at the front end and a body part at the rear end;

a plurality of terminals assembled on the base;

a plurality of leads connected to the terminals respectively, the leads extending rearward out of the body of the housing; and

a back cover comprising a first cover body and a second cover body assembled with each other along an up-down direction, the first cover body has a first front section extending along a front-back direction and a first back section extending along the up-down direction, the second cover body has a second front section extending along the front-back direction and a second back section extending along the up-down direction, the first front section and the second front section of the back cover are used for accommodating at least partial parts of the body of the base body, the first back section and the second back section of the back cover are used for accommodating at least partial parts of a plurality of wires,

the back cover further comprises a front section locking structure which is positioned at the side edge and is arranged between the first front section and the second front section, and a back section locking structure which is positioned at the side edge and is arranged between the first back section and the second back section, wherein the front section locking structure is combined along the up-down direction and generates a locking effect in the up-down direction, and the back section locking structure is combined along the up-down direction and generates a locking effect in the front-back direction.

2. The connector of claim 1, wherein the front locking structure includes a first locking piece and a second locking piece that are engaged with each other in a snap-fit manner, and the rear locking structure includes a first locking rail and a second locking rail that are engaged with each other in an assembled manner of the slot rails.

3. The connector of claim 2, wherein the first snap-lock rail extends in the up-down direction and has a rail structure of an outward barb side, and the second snap-lock rail extends in the up-down direction and has a rail structure of an inward barb side.

4. The connector of claim 2, wherein the first and second snap-lock rails are combined with each other hidden within the rear cover.

5. The connector of claim 4, wherein the first latching rail is formed on the first cover body and is located at an inner side with respect to the second latching rail, the second latching rail is formed on the second cover body and is located at an outer side with respect to the first latching rail, the first latching rail extends in the up-down direction and has a rail structure of a barb side facing the outer side, and the second latching rail extends in the up-down direction and has a rail structure of a barb side facing the inner side.

6. The connector of claim 2, wherein the first latching member is configured as a latching block and the second latching member is configured as a latching tab having a latching hole, the latching block and the latching hole being correspondingly latched to each other.

7. The connector of claim 1, further comprising a terminal positioning member assembled to the housing for positioning the terminal, the first front section of the first cover having a first recess, the second front section of the second cover having a second recess, the first recess of the first cover and the second recess of the second cover being configured to receive at least a partial portion of the terminal positioning member.

8. The connector of claim 1, wherein the body portion of the housing of the connector has a first side and a second side on opposite sides, and a catch member disposed on the first side, the first front section of the first cover has a first escape slot, the second front section of the second cover has a second escape slot, the rear cover is configured to selectively receive at least a partial portion of the body portion of the housing and receive at least a partial portion of the plurality of wires in a first assembled state in which the first front section of the first cover covers at least a partial portion of the first side and the first escape slot of the first cover is configured to clear at least a partial portion of the second side; in the second assembled state, the second front section of the second cover covers at least a partial portion of the first side, and the second avoidance groove of the second cover avoids the locking piece, and the first front section of the first cover covers at least a partial portion of the second side.