CN217009634U

CN217009634U - Wire-to-board connector

Info

Publication number: CN217009634U
Application number: CN202220457210.3U
Authority: CN
Inventors: 杨松; 朱送良; 沈瑞雄; 刘绍润
Original assignee: Dongguan Haorun Precision Electronic Co ltd
Current assignee: Dongguan Haorun Precision Electronic Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-19
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to a wire-to-board connector, which comprises a first connector and a second connector which are connected in a plugging way, wherein the first connector is provided with a first wire terminal and a second wire terminal; the first wire terminal is provided with a frame-shaped socket formed by enclosing a first bottom plate, a first left side plate, a first right side plate and a top plate, and a first contact elastic arm and a second contact elastic arm which draw close and stretch convexly in opposite directions are respectively arranged on the left side plate and the right side plate; the second connector is provided with a first male terminal and a second male terminal, the blade contact arm of the first male terminal is inserted between the first contact elastic arm and the second contact elastic arm to form conduction connection, and the blade contact arm of the second male terminal is correspondingly inserted between the third contact elastic arm and the fourth contact elastic arm to form conduction connection. The multiple-clamping-point form promotes the connection performance, the better reduction plastic deformation of clamping-point structure, effective limit connection, the terminal is stable, and performance is better.

Description

Wire-to-board connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a wire-to-board connector.

Background

The conventional wire-to-board connector includes a first connector and a second connector, the first connector has a wire terminal, the second connector has a male terminal, and when the connector is used, the second connector is plugged into the first connector, and the male terminal is connected with the wire terminal in a conduction manner. However, most wire-to-board connectors on the market are single contact points and single clamping points, and because there is only one contact point, poor contact is easily caused, and due to the problem of terminal structure, the clamping point structure is easily subjected to plastic deformation to cause failure, and the terminal is easily subjected to swing in the plugging and unplugging process, so that the conduction connection is unstable, and the plugging and unplugging use of the first connector and the second connector is affected.

Disclosure of Invention

The utility model aims to provide a wire-to-board connector, which well solves the technical problem and ensures the service performance of the connector.

In order to achieve the purpose, the utility model adopts the following technical scheme:

wire to board connector, including first connector and second connector, wherein:

the first connector is provided with a first insulating body, and a first wire terminal and a second wire terminal which are arranged on the first insulating body; the first wire terminal is provided with a first riveting part and a first plug-in part which are connected, the first plug-in part is provided with a frame-shaped socket formed by enclosing a first bottom plate, a first left side plate, a first right side plate and a top plate, a first contact elastic arm is arranged on the first left side plate, a second contact elastic arm is arranged on the first right side plate, and the first contact elastic arm and the second contact elastic arm are mutually drawn together and convexly extended; the second wire terminal is provided with a second riveting part and a second inserting part which are connected, the second inserting part is provided with a second bottom plate, a second left side plate and a second right side plate, the second bottom plate extends forwards relative to the second left side plate and the second right side plate, a third contact elastic arm is arranged on the second left side plate, a fourth contact elastic arm is arranged on the second right side plate, and the third contact elastic arm and the fourth contact elastic arm extend forwards on the upper side of the second bottom plate and are close to each other;

the second connector is provided with a second insulating body, a first male terminal and a second male terminal, wherein the first male terminal and the second male terminal are arranged on the second insulating body; the first male terminal is provided with a first blade contact arm, the second male terminal is provided with a second blade contact arm, and the first blade contact arm and the second blade contact arm extend into the accommodating port of the second insulating body; the accommodating port is in sleeve connection with a first insulating body of the first connector, the first blade contact arm is inserted between the first contact elastic arm and the second contact elastic arm to form conduction connection, and the second blade contact arm is correspondingly inserted between the third contact elastic arm and the fourth contact elastic arm to form conduction connection.

According to the scheme, a first terminal hole and a second terminal hole are formed in the first insulating body, the first line terminal is implanted and assembled corresponding to the first terminal hole, a first bottom plate, a first left side plate, a first right side plate and a top plate of the first line terminal are respectively attached to the inner peripheral wall of the first terminal hole, and meanwhile the rear side end of the first bottom plate is connected with a first stopping portion preset in the first terminal hole in a withdrawing-proof mode; the second wire terminal is implanted and assembled corresponding to the second terminal hole, a second bottom plate, a second left side plate and a second right side plate of the second wire terminal are respectively attached to the inner peripheral wall of the second terminal hole, meanwhile, the second bottom plate is provided with elastic clamping teeth protruding downwards, and the elastic clamping teeth and a second stopping portion preset in the second terminal hole form anti-withdrawal connection.

In the above solution, a first hollow portion is disposed on the first left side plate, and the first contact elastic arms are disposed in the first hollow portion and spaced apart from each other in the height direction of the first left side plate to obtain a dual-elastic-arm feature; a second hollow part is arranged on the first right side plate, and a second contact elastic arm is arranged in the second hollow part and is spaced according to the height direction of the first right side plate to obtain the characteristic of a double elastic arm; the first contact elastic arm and the second contact elastic arm form a bilateral symmetry relationship.

The above solution is further that a first guide block protruding upwards is arranged on a top plate of the first wire terminal, and the first guide block cooperates with a guide chute preset in the first terminal hole to guide the first wire terminal to be assembled into the first terminal hole.

In the above solution, the second bottom plate, the second left side plate and the second right side plate of the second wire terminal are combined to form a U-shaped structure, the width of the second bottom plate in the left-right direction is greater than the distance between the third contact spring arm and the fourth contact spring arm, the outer sides of the second left side plate and the second right side plate are respectively provided with a second guide block protruding outwards, and the second guide block cooperates with a guide chute preset in the second terminal hole to guide the second wire terminal to be assembled in the second terminal hole.

According to the scheme, the first insulation body is provided with a first fool-proof portion, the accommodating port of the second insulation body is provided with a second fool-proof portion, and fool-proof connection between the first insulation body and the second insulation body is established through cooperation of the first fool-proof portion and the second fool-proof portion.

According to the scheme, the first insulating body is provided with the elastic buckle, the second insulating body is provided with the buckle groove, and the anti-withdrawal connection between the first insulating body and the second insulating body is established through the elastic buckle and the buckle groove.

The first line terminal and the second line terminal of the first connector are optimized in structure, so that the first line terminal is provided with the first contact elastic arm and the second contact elastic arm which are oppositely drawn and convexly extended, and the second line terminal is provided with the third contact elastic arm and the fourth contact elastic arm which extend forwards and are oppositely drawn, so that a clamping point structure and a multi-clamping point form are improved, the conduction connection performance is improved, the current-carrying capacity is increased, the plastic deformation is better reduced by the clamping point structure, the failure is prevented, and the service performance and the service life are better; simultaneously, the first grafting part of first line terminal has first bottom plate, first left side board, first right side board and roof, and the second grafting part of second line terminal has second bottom plate, second left side board and second right side board, provides the contact elastic arm powerful support respectively to form effective spacing with first insulation body and be connected, prevent that the terminal from swaing, can better plug connection, guarantee connector performance.

Description of the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the plugging structure of the embodiment of FIG. 1;

FIG. 3 is another angular configuration of the embodiment of FIG. 2;

FIG. 4 is an exploded view of the embodiment of FIG. 1;

FIG. 5 is a schematic diagram of a first wire termination structure of the embodiment of FIG. 1;

FIG. 6 is a schematic diagram of a second wire terminal structure of the embodiment of FIG. 1;

FIG. 7 is a schematic view of a combination structure of a first wire terminal and a first insulating body;

fig. 8 is a schematic view of a structure of the second wire terminal combined with the first insulating body.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element 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," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 8, which are schematic structural views illustrating a wire-to-board connector according to a preferred embodiment of the present invention, the present invention includes a first connector 100 and a second connector 200, the first connector 100 has a first insulating body 1 and a first wire terminal 2 and a second wire terminal 3 disposed on the first insulating body, and the first wire terminal 2 and the second wire terminal 3 are arranged according to a predetermined position to obtain a desired function. The first wire terminal 2 is provided with a first riveting part 21 and a first plug-in part 22 which are connected, the first riveting part 21 shown in the figure comprises a plurality of riveting fins bent towards the center, and the riveting fins are sequentially arranged in the direction far away from the first plug-in part 22, so that the front and back riveting of a connecting wire is realized, and the stability and effectiveness of the connecting wire are improved. The first plug-in part 22 has a frame-shaped socket 221 formed by enclosing a first bottom plate 23, a first left side plate 24, a first right side plate 25 and a top plate 26, a first contact elastic arm 241 is arranged on the first left side plate 24, a second contact elastic arm 251 is arranged on the first right side plate 25, the first contact elastic arm 241 and the second contact elastic arm 251 are drawn together and protruded towards each other to form a clamping form, the clamping is performed leftwards and rightwards, the conduction connectivity is increased, a multi-clamping-point form is obtained, the conduction connection performance is improved, and the current-carrying capacity is increased. The second wire terminal 3 is provided with a second riveting part 31 and a second plugging part 32 which are connected with each other, similarly, the second riveting part 31 shown in the figure comprises a plurality of riveting fins bent towards the center, and the riveting fins are arranged in sequence in the direction far away from the second plugging part 32, so that the front and back riveting of the connecting wire is realized, and the stability and the effectiveness of the connecting wire are improved. The second inserting portion 32 has a second bottom plate 33, a second left side plate 34 and a second right side plate 35, the second bottom plate 33 extends forward relative to the second left side plate and the second right side plate, so as to obtain a better geometric center of gravity, ensure the mechanical structure of the second inserting portion 32, and improve the assembling and using performance. Be equipped with third contact elastic arm 341 on second left side board 34, be equipped with fourth contact elastic arm 351 on second right side board 35, this third contact elastic arm 341 and fourth contact elastic arm 351 extend forward and draw close in opposite directions at the upside of second bottom plate 33, form the centre gripping form, control the centre gripping, increase the continuity of connection, obtain many stuck points form, promote the continuity of connection performance, increase the carrying capacity. The second connector 200 has a second insulating body 4, and a first male terminal 5 and a second male terminal 6 which are arranged on the second insulating body, and the second insulating body is provided with an accommodating port 41; the first male terminal 5 is provided with a first blade contact arm 51, the second male terminal 6 is provided with a second blade contact arm 61, and the first blade contact arm 51 and the second blade contact arm 61 both extend into the accommodating port 41 of the second insulating body; the first male terminal 5 and the second male terminal 6 are further respectively provided with a welding pin extending out from the second insulating body, so that the upper plate can be welded and combined, and the assembly mode of the first male terminal 5, the second male terminal 6 and the second insulating body 4 is the prior art and is not described herein again. When the first connector 100 and the second connector 200 are connected in an opposite-inserting manner, the receiving port 41 and the first insulating body 1 of the first connector form a socket connection, the first blade contact arm 51 is inserted between the first contact elastic arm 241 and the second contact elastic arm 251 to form a conductive connection, and the second blade contact arm 61 is inserted between the third contact elastic arm 341 and the fourth contact elastic arm 351 to form a conductive connection. The first contact elastic arm 241 and the second contact elastic arm 251 form conduction connection by clamping the first blade contact arm 51 left and right, and the third contact elastic arm 341 and the fourth contact elastic arm 351 also form conduction connection by clamping the second blade contact arm 61 left and right, so that good associativity is obtained, the conduction connection performance is improved, the current-carrying capacity can be increased, and the electrical connection requirement is met.

Referring to fig. 1 to 8, in the embodiment, the first insulating body 1 is provided with a first terminal hole 11 and a second terminal hole 12, the first wire terminal 2 is implanted and assembled corresponding to the first terminal hole 11, and the first bottom plate 23, the first left side plate 24, the first right side plate 25 and the top plate 26 of the first wire terminal are respectively attached to the inner peripheral wall of the first terminal hole, so as to obtain a frame-shaped socket 221 with four peripheral surface supports, thereby ensuring the mechanical structure of the frame-shaped socket 221, facilitating the plugging and unplugging use, and further supporting the first contact elastic arm 241 and the second contact elastic arm 251, so as to better reduce the plastic deformation, prevent the failure, and achieve better usability and service life. The rear side end of the first bottom plate 23 is connected with a first stopping portion 111 preset in the first terminal hole in a withdrawing-preventing manner, so that the plugging stability is improved, and the inward shrinkage is prevented. This second wire terminal 3 is implanted the equipment corresponding to second terminal hole 12, and the second bottom plate 33, the second left side board 34 and the second right side board 35 of second wire terminal paste with the internal perisporium in second terminal hole respectively and lean on, obtain good assembly structure nature, and better support third contact elastic arm 341 and fourth contact elastic arm 351 reduce plastic deformation, prevent to become invalid, and performance and life are better. Meanwhile, the second bottom plate is provided with an elastic latch 331 protruding downwards, and the elastic latch 331 and a second stopping portion 121 preset in the second terminal hole form anti-withdrawal connection, so that the plugging stability is increased, and inward shrinkage is prevented.

In this embodiment, a first hollow portion 242 is disposed on the first left side plate 24, and the first contact elastic arm 241 is configured in the first hollow portion 242 in a tearing manner and spaced according to a height direction of the first left side plate, so as to obtain a double-elastic-arm feature; a second hollow part 252 is arranged on the first right side plate 25, a second contact elastic arm 251 is constructed in the second hollow part in a tearing mode and is spaced according to the height direction of the first right side plate to obtain the characteristic of double elastic arms, and the first contact elastic arm and the second contact elastic arm form a bilateral symmetry relation; the structure is convenient to manufacture, good in structure and capable of obtaining a better contact effect.

In this embodiment, the top plate 26 of the first wire terminal is provided with a first guide block 261 protruding upward, and the first guide block cooperates with a guide sliding groove preset in the first terminal hole to guide the first wire terminal to be assembled into the first terminal hole. The second bottom plate 33, the second left side plate 34 and the second right side plate 35 of the second wire terminal are combined to form a U-shaped structure, the width of the second bottom plate in the left-right direction is greater than the distance between the third contact spring arm and the fourth contact spring arm, the outer sides of the second left side plate and the second right side plate are respectively provided with a convex second guide block 36, and the second guide block 36 cooperates with a guide sliding groove preset in the second terminal hole to guide the second wire terminal to be assembled in the second terminal hole. This structure further promotes the equipment performance of first line terminal and second line terminal, convenient equipment, and stable in structure, the plug nature is good.

As shown in fig. 1, 2 and 3, in the present embodiment, a first fool-proof portion 13 is disposed on the first insulating body 1, a second fool-proof portion 411 is disposed in the accommodating port 41 of the second insulating body, and the fool-proof connection between the first insulating body and the second insulating body is established by cooperation of the first fool-proof portion 13 and the second fool-proof portion 411. The first insulating body is provided with a spring buckle 14, the second insulating body is provided with a buckle groove 42, and the first insulating body and the second insulating body are connected in a withdrawing-proof mode through buckling of the spring buckle 14 and the buckle groove 42. This structure can increase the plugging performance, and ensure the stable plugging of the first connector 100 and the second connector 200.

While the preferred embodiments of the utility model have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims

1. Wire to board connector, including first connector and second connector, its characterized in that:

the first connector is provided with a first insulating body, and a first wire terminal and a second wire terminal which are arranged on the first insulating body; the first wire terminal is provided with a first riveting part and a first plug-in part which are connected, the first plug-in part is provided with a frame-shaped socket formed by enclosing a first bottom plate, a first left side plate, a first right side plate and a top plate, a first contact elastic arm is arranged on the first left side plate, a second contact elastic arm is arranged on the first right side plate, and the first contact elastic arm and the second contact elastic arm are mutually drawn together and convexly extended; the second wire terminal is provided with a second riveting part and a second plug-in part which are connected, the second plug-in part is provided with a second bottom plate, a second left side plate and a second right side plate, the second bottom plate extends forwards relative to the second left side plate and the second right side plate, a third contact elastic arm is arranged on the second left side plate, a fourth contact elastic arm is arranged on the second right side plate, and the third contact elastic arm and the fourth contact elastic arm extend forwards on the upper side of the second bottom plate and are close together in opposite directions;

2. The wire-to-board connector according to claim 1, wherein the first insulating body is provided with a first terminal hole and a second terminal hole, the first wire terminal is implanted and assembled corresponding to the first terminal hole, and a first bottom plate, a first left side plate, a first right side plate and a top plate of the first wire terminal are respectively attached to the inner peripheral wall of the first terminal hole, and simultaneously, a rear side end of the first bottom plate is connected with a first stop portion preset in the first terminal hole in a withdrawing-proof manner; the second wire terminal is implanted and assembled corresponding to the second terminal hole, a second bottom plate, a second left side plate and a second right side plate of the second wire terminal are respectively attached to the inner peripheral wall of the second terminal hole, meanwhile, the second bottom plate is provided with elastic clamping teeth protruding downwards, and the elastic clamping teeth and a second stopping portion preset in the second terminal hole form anti-withdrawal connection.

3. The wire-to-board connector according to claim 1 or 2, wherein a first hollow portion is disposed on the first left side plate, and the first contact spring arms are disposed in the first hollow portion and spaced in a height direction of the first left side plate to obtain a double spring arm feature; a second hollow part is arranged on the first right side plate, and a second contact elastic arm is arranged in the second hollow part and is spaced according to the height direction of the first right side plate to obtain the characteristic of a double elastic arm; the first contact elastic arm and the second contact elastic arm form a bilateral symmetry relationship.

4. The wire-to-board connector according to claim 1 or 2, wherein the top plate of the first wire terminal is provided with a first guide block projecting upward, the first guide block cooperating with a guide runner preset in the first terminal hole to guide the assembly of the first wire terminal into the first terminal hole.

5. The wire-to-board connector according to claim 1 or 2, wherein the second bottom plate, the second left side plate and the second right side plate of the second wire terminal are combined to form a U-shaped structure, the width of the second bottom plate in the left-right direction is larger than the distance between the third contact spring arm and the fourth contact spring arm, and a second guide block protruding outward is provided on the outer side of the second left side plate and the outer side of the second right side plate, respectively, and cooperates with a guide slide groove preset in the second terminal hole to guide the assembly of the second wire terminal into the second terminal hole.

6. The wire-to-board connector according to claim 1, wherein the first insulative housing has a first fool-proof portion thereon, the receiving port of the second insulative housing has a second fool-proof portion thereon, and the fool-proof connection between the first and second insulative housings is established by cooperation of the first and second fool-proof portions.

7. The wire-to-board connector according to claim 1 or 6, wherein the first insulating body is provided with a snap fastener, the second insulating body is provided with a snap groove, and the first insulating body and the second insulating body are connected in a withdrawing-proof manner by the snap fastener and the snap groove.