CN211017505U - Electrical connector - Google Patents

Abstract

The utility model provides an electric connector, which comprises an insulating body, a plurality of conductive terminals and at least one group of insulating blocks, the insulation body is provided with a butt joint space for inserting a butt joint connector and two rows of terminal grooves communicated with the butt joint space, and two rows of terminal grooves are oppositely arranged along the height direction, each conductive terminal is provided with a contact part, a welding part and a fixing part for connecting the contact part and the welding part, the conductive terminals comprise upper and lower conductive terminals respectively inserted into the two rows of terminal grooves, the at least one group of insulating blocks and the upper conductive terminals are integrally formed to form a terminal module, each fixing part comprises a first fixing section arranged horizontally and a second fixing section bent and extended downwards from the first fixing section, the group of insulating blocks integrally formed with the upper row of conductive terminals comprises a first insulating block formed outside the first fixed section and a second insulating block formed outside the second fixed section. The utility model discloses electric connector simple structure and stability are high.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector especially relates to an electric connector that structure is firm.

Background

When the number of the conductive terminals of the conventional electrical connector is large, the conductive terminals are difficult to assemble and position, and if the conductive terminals are not well positioned, the structural stability of the conventional electrical connector is poor and the electrical contact between the conductive terminals and the butting terminals is poor, so that the signal transmission of the electrical connector is unstable.

In view of the above, there is a need for an improved electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector that simple structure and stability are high.

To achieve the above object, the present invention provides an electrical connector, which comprises an insulating body, a plurality of conductive terminals and at least one set of insulating blocks, wherein the insulating body has a forward opening for inserting a butt connector and two rows of terminal grooves communicated with the butt space, and the two rows of terminal grooves are oppositely arranged along a height direction, each conductive terminal has a contact portion exposed in the butt space to contact with the butt terminal, a soldering portion connected with a circuit board, and a fixing portion connecting the contact portion with the soldering portion, the conductive terminals include upper and lower rows of conductive terminals respectively inserted in the two rows of terminal grooves, the at least one set of insulating blocks and the upper row of conductive terminals are integrally formed to form a first terminal module, each fixing portion includes a first fixing section horizontally arranged and a second fixing section bent and extended downward from the rear end of the first fixing section, and the group of insulating blocks integrally formed with the upper row of conductive terminals comprises a first insulating block formed outside the first fixed section and a second insulating block formed outside the second fixed section.

As a further improvement of the present invention, the insulating body has a pair of side walls disposed on both sides in the transverse direction thereof, and a pair of upper guide grooves and a pair of lower guide grooves formed on the inner surface of the side walls in a recessed manner, and the first insulating block is disposed on the uppermost side of the insulating block and a pair of first protruding portions on both sides thereof are inserted into the corresponding upper guide grooves.

As a further improvement of the present invention, the electrical connector further has another set of insulating blocks integrally formed with the lower row of conductive terminals to constitute the second terminal module, and the another set of insulating blocks includes a third insulating block formed outside the first fixed section of the lower row of conductive terminals and a fourth insulating block formed outside the second fixed section of the lower row of conductive terminals, the insulating body further has a pair of middle guide grooves located between the upper guide groove and the lower guide groove in the height direction, the upper, middle and lower guide grooves are all formed by recessing the rear end surface of the side wall forward, and the third insulating block has a pair of third protrusions located at both ends in the transverse direction thereof to respectively accommodate and limit in the corresponding middle guide grooves.

As a further improvement of the present invention, the third insulating block is located the first insulating block reaches the front side of the fourth insulating block, and is located the contact portion lower side of the lower row of conductive terminals, the first insulating block is located in the front-rear direction within the length range of the second insulating block and the fourth insulating block.

As a further improvement of the present invention, the second insulating block abuts against the rear side of the fourth insulating block, and the second protruding portion formed at both ends of the second insulating block and the fourth protruding portion formed at both ends of the fourth insulating block are aligned along the front-rear direction to be disposed in the lower guide groove of the corresponding side.

As a further improvement of the present invention, each of the first fixing sections further has an interference portion located at the front side of the first or third insulating block and protruding outward to be held by the insulating body.

As a further improvement of the present invention, the electrical connector has two first terminal modules disposed side by side in the lateral direction and two second terminal modules disposed side by side in the lateral direction, the insulator further has a partition wall between the pair of side walls located in the lateral direction, and the two first/second terminal modules are partitioned by the partition wall.

As a further improvement of the present invention, the upper, middle and lower guide grooves are formed on both sides of the partition wall in the transverse direction to accommodate the corresponding insulation blocks, respectively.

As a further improvement of the utility model, the second canned paragraph have from first canned paragraph buckle downwards and along the upright section of direction of height extension and with the upright section is the slope section of angle setting, slope section and at least part upright section bury underground in the insulating block that corresponds jointly.

As a further improvement of the present invention, the vertical portion of the same row of conductive terminals is aligned in the transverse direction, and the inclined section of the two adjacent conductive terminals in the same row is extended reversely to be located at the front and rear sides of the vertical portion respectively.

The utility model discloses electric connector sets up to first canned paragraph that sets up including the level through the fixed part with each conductive terminal and certainly the second canned paragraph of the extension of buckling downwards in the rear end of first canned paragraph, with a set of collets of going up conductive terminal integrated into one piece including the shaping in first collets and shaping outside the first canned paragraph in second collets outside the second canned paragraph, and then will go up row conductive terminal and collets shaping and assemble to insulator after being the terminal module again, so in order to simplify electric connector's structure and processing procedure, can make electric connector have higher stability simultaneously.

Drawings

Fig. 1 is a perspective assembly view of the electric connector of the present invention.

Fig. 2 is a perspective view of the dielectric body of the electrical connector shown in fig. 1.

Fig. 3 is a partially exploded view of the electrical connector of fig. 1 with the dielectric body removed.

Fig. 4 is a side view of the electrical connector of fig. 1 with the dielectric body removed.

Fig. 5 is a side view of the electrical connector shown in fig. 1 with the housing and the dielectric block removed.

Fig. 6 is a perspective view of the electrical connector shown in fig. 1 with the conductive terminals removed.

Fig. 7 is a cross-sectional view of the electrical connector shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, an electrical connector 100 according to a preferred embodiment of the present invention is shown, wherein the electrical connector 100 includes an insulating body 1, a plurality of conductive terminals 2, and at least one set of insulating blocks 3.

The insulating body 1 has a docking space 10 opened forward for inserting a docking connector (not shown) and two rows of terminal grooves 11 communicated with the docking space 10, the two rows of terminal grooves 11 are oppositely arranged along the height direction and are respectively arranged at two sides of the docking space 10 in the height direction, and the terminal grooves 11 in each row are arranged along the transverse direction.

Referring to fig. 2, 6 and 7, the insulating body 1 further has a pair of side walls 12 oppositely disposed at two sides of the insulating body in the transverse direction, and a pair of upper guiding grooves 121 and a pair of lower guiding grooves 122 concavely disposed on inner surfaces of the side walls 12, wherein the pair of upper guiding grooves 121 are disposed opposite to each other, and the pair of lower guiding grooves 122 are disposed opposite to each other.

Referring to fig. 3 to 5 and 7, each of the conductive terminals 2 has a contact portion 21 exposed in the mating space 10 to contact with a mating terminal (not shown), a soldering portion 22 connected to a circuit board (not shown), and a fixing portion 23 connecting the contact portion 21 and the soldering portion 22, wherein the contact portion 21 is bent and elastic.

Meanwhile, the conductive terminals 2 include upper and lower rows of conductive terminals 2a, 2b inserted into the two rows of terminal slots 11, respectively, and the at least one set of insulating block 3 and the upper row of conductive terminals 2a are integrally formed to form a first terminal module.

Each of the fixing portions 23 includes a first fixing section 231 horizontally disposed and a second fixing section 232 bent and extended downward from a rear end of the first fixing section 231, and a set of insulating blocks 3 integrally formed with the upper row of conductive terminals 2a includes a first insulating block 31 formed outside the first fixing section 231 and a second insulating block 32 formed outside the second fixing section 232.

The first insulating block 31 is positioned at the uppermost side of the insulating block 3 and a pair of first protrusions 311 at both sides thereof are inserted into the respective upper guide grooves 121.

In this embodiment, the electrical connector 100 further has another set of insulating blocks 3 integrally formed with the lower row of conductive terminals 2b to form a second terminal module, and the another set of insulating blocks 3 includes a third insulating block 33 formed outside the first fixing section 231 of the lower row of conductive terminals 2b and a fourth insulating block 34 formed outside the second fixing section 232 of the lower row of conductive terminals 2 b. In other embodiments, the lower row of conductive terminals 2b may be directly inserted into the insulating body 1, that is, only the upper row of conductive terminals 2a is molded with the insulating block 3.

The insulating body 1 further has a pair of middle guide grooves 123 between the upper guide groove 121 and the lower guide groove 122 in the height direction, and the upper, middle, and lower guide grooves 121, 122, 123 are each formed by being recessed forward from the rear end surface 120 of the side wall 12.

The third insulating block 33 has a pair of third protrusions 331 at both ends in the transverse direction thereof to be respectively received and retained in the corresponding middle guide grooves 123.

As shown in fig. 4, in the present embodiment, the third insulating block 33 is located at the front side of the first insulating block 31 and the fourth insulating block 34 and at the lower side of the contact portion 21 of the lower row of conductive terminals 2b, and the first insulating block 31 is located within the length range of the second insulating block 32 and the fourth insulating block 34 in the front-back direction.

Further, the second insulating block 32 abuts against the rear side of the fourth insulating block 34, and the second protrusions 321 formed at both ends of the second insulating block 32 and the fourth protrusions 341 formed at both ends of the fourth insulating block 34 are aligned in the front-rear direction to be commonly received in the lower guide grooves 123 at the corresponding sides.

Each of the first fixing segments 231 further has an interference portion 2312 located at the front side of the first insulating block 31 or the third insulating block 33 and protruding outward to be clamped with the insulating body 1, that is, the interference portion 2312 of the conductive terminal 2 in the upper row is located at the front side of the first insulating block 31, and the interference portion 2321 of the conductive terminal 2 in the lower row is located at the front side of the third insulating block 33.

The second fixed segment 232 includes an upright segment 2321 bent downward from the first fixed segment 231 and extending in the height direction, and an inclined segment 2322 disposed at an angle to the upright segment 2321, and the inclined segment 2322 and at least a portion of the upright segment 2321 are embedded in the corresponding insulating block 3.

As shown in fig. 5, the vertical parts 2321 of the same row of conductive terminals 2 are aligned in the transverse direction, that is, the vertical parts 2321 of the upper row of conductive terminals 2a are aligned in a row along the transverse direction, the vertical parts 2321 of the lower row of conductive terminals 2b are aligned in another row along the transverse direction, and the vertical parts 2321 of the lower row of conductive terminals 2b are located at the front side of the vertical parts 2321 of the upper row of conductive terminals 2 a. Meanwhile, the inclined sections 2322 of two adjacent conductive terminals 2 in the same row extend reversely to be located at the front and rear sides of the upright portion 2321, so that not only the bonding strength between the conductive terminals 2 and the insulating body 1 is ensured, but also the positioning of the conductive terminals 2 in the manufacturing process is simpler.

In this embodiment, the electrical connector 100 has two first terminal modules arranged side by side in the transverse direction and two second terminal modules arranged side by side in the transverse direction, and the insulative housing 1 further has a partition wall 13 between the pair of side walls 12 in the transverse direction, and the two first/second terminal modules are separated by the partition wall 13. In other embodiments, the electrical connector 100 may have only one first terminal module and only one second terminal module; or it may also have a plurality of first terminal modules arranged side by side in the transverse direction and a plurality of second terminal modules arranged side by side in the transverse direction.

Further, the partition wall 13 is formed with the upper, middle and lower guide grooves 121, 122 and 123 at both sides in the lateral direction to receive the corresponding insulation blocks 3, respectively.

The utility model discloses electric connector 100 through with each fixed part 23 set up to the first fixed section 231 that sets up including the level and certainly the second fixed section 232 of the rear end downwarping extension of first fixed section 231, with go up row's conductive terminal 2a integrated into one piece's a set of collets 3 including the shaping in first collets 31 outside first fixed section 231 and shaping in second collets 32 outside second fixed section 232, and then will go up row's conductive terminal 2a and collets 3 shaping and assemble to insulator 1 again after being terminal module, so in order to simplify electric connector 100's structure and processing procedure, can make electric connector 100 have higher stability simultaneously.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. An electric connector comprises an insulating body, a plurality of conductive terminals and at least one group of insulating blocks, wherein the insulating body is provided with a butting space which is opened forwards and used for inserting a butting connector, and two rows of terminal grooves which are communicated with the butting space, the two rows of terminal grooves are oppositely arranged along the height direction, each conductive terminal is provided with a contact part which is exposed in the butting space and is contacted with a butting terminal, a welding part which is connected with a circuit board and a fixing part which is used for connecting the contact part with the welding part, the conductive terminals comprise an upper row of conductive terminals and a lower row of conductive terminals which are respectively inserted into the two rows of terminal grooves, and the at least one group of insulating blocks and the upper row of conductive terminals are integrally formed to form a first terminal module: each fixing part comprises a first fixing section and a second fixing section, wherein the first fixing section is horizontally arranged, the second fixing section is bent and extended downwards from the rear end of the first fixing section, and a group of insulating blocks integrally formed with the upper row of conductive terminals comprise first insulating blocks formed outside the first fixing section and second insulating blocks formed outside the second fixing section.

2. The electrical connector of claim 1, wherein: the insulating body is provided with a pair of side walls which are oppositely arranged at two sides of the insulating body in the transverse direction, and a pair of upper guide grooves and a pair of lower guide grooves which are concavely arranged on the inner surfaces of the side walls, the first insulating block is positioned at the uppermost side of the insulating block, and a pair of first protruding parts at two sides of the first insulating block are inserted into the corresponding upper guide grooves.

3. The electrical connector of claim 2, wherein: the electric connector is also provided with another group of insulating blocks which are integrally formed with the lower row of conductive terminals to form a second terminal module, the other group of insulating blocks comprise third insulating blocks formed outside the first fixed section of the lower row of conductive terminals and fourth insulating blocks formed outside the second fixed section of the lower row of conductive terminals, the insulating body is also provided with a pair of middle guide grooves positioned between the upper guide grooves and the lower guide grooves in the height direction, the upper guide grooves, the middle guide grooves and the lower guide grooves are formed by forward sinking from the rear end surfaces of the side walls, and the third insulating blocks are provided with a pair of third protruding parts positioned at the two ends of the third insulating blocks in the transverse direction so as to be respectively accommodated and limited in the corresponding middle guide grooves.

4. The electrical connector of claim 3, wherein: the third insulating block is positioned at the front sides of the first insulating block and the fourth insulating block and positioned at the lower side of the contact part of the lower row of conductive terminals, and the first insulating block is positioned in the length range of the second insulating block and the fourth insulating block in the front-back direction.

5. The electrical connector of claim 3, wherein: the second insulating block abuts against the rear side of the fourth insulating block, and second protruding portions formed at two ends of the second insulating block and fourth protruding portions formed at two ends of the fourth insulating block are aligned in the front-rear direction so as to be accommodated in the lower guide grooves of the corresponding sides together.

6. The electrical connector of claim 3, wherein: each first fixing section is also provided with an interference part which is positioned at the front side of the first or third insulating block and protrudes outwards to be clamped with the insulating body.

7. The electrical connector of claim 3, wherein: the electrical connector has two first terminal modules arranged side by side in the transverse direction and two second terminal modules arranged side by side in the transverse direction, the insulating body further has a partition wall located between the pair of side walls in the transverse direction, and the two first/second terminal modules are separated by the partition wall.

8. The electrical connector of claim 7, wherein: the upper, middle and lower guide grooves are formed on both sides of the partition wall in the transverse direction to accommodate the corresponding insulation blocks respectively.

9. The electrical connector of any one of claims 1 to 8, wherein: the second fixing section is provided with an upright section which is bent downwards from the first fixing section and extends along the height direction and an inclined section which is arranged at an angle with the upright section, and the inclined section and at least part of the upright section are embedded in the corresponding insulating block together.

10. The electrical connector of claim 9, wherein: the vertical parts of the conductive terminals in the same row are aligned in the transverse direction, and the inclined sections of two adjacent conductive terminals in the same row extend reversely to be positioned at the front side and the rear side of the vertical parts respectively.

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