TW201916487A - Electrical Connector - Google Patents

Abstract

The present invention relates to an electrical connector including an insulative housing and a holding member assembled to the insulative housing, the insulative housing defines a mating surface and a mounting surface opposite to each other, and comprises a plurality of passageways extending along the front-and-back direction for receiving the corresponding contacts and a receiving slot recessed backwards from the mating surface. The holding member defines a first locking portion and a second locking portion stagger with each other along the front-and-back direction, and the holding member is assembled and locked in the receiving slot via the first locking portion for prevent itself from quitting. When the contacts inserted into the passageways, the holding member is pushed towards the mounting surface by an external force until the second locking portion locked in the receiving slot.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that is easy to assemble and has a good holding force.

When used in the automotive field, conventional electrical connectors generally include an insulative housing, a conductive terminal, and a retaining member for locking the conductive terminal and enhancing the retaining force of the conductive terminal in the insulative housing; conventional retaining members generally include Pre-installed in the insulating body and separated from the insulating body. However, the two retaining members have been mistakenly pressed into and out of the pre-installed position before the terminal is assembled, and the pressing tool is required and lost. problem.

In view of this, it is indeed necessary to further improve the conventional electrical connector to solve the above problems.

It is an object of the present invention to provide an electrical connector that is easy to assemble and has a good holding power.

In order to achieve the above object, the present invention provides an electrical connector having an insulative housing and a retaining member assembled in the insulative housing. The insulative housing has opposing abutting surfaces and mounting surfaces, and includes a plurality of through holes extending in the front-rear direction. a terminal slot for receiving the conductive terminal and a receiving groove formed by the recessed surface facing the rear surface, wherein the retaining member has a first latching portion and a second latching portion that are staggered in the front-rear direction, and the retaining member is supported by the first latching portion The part is assembled and positioned in the receiving groove to prevent it from being withdrawn; after the conductive terminal is inserted into the insulating body, the holding member is pushed by an external force toward the mounting surface and is positioned by the second fastening portion. In the aforementioned storage slot.

According to a further improvement of the present invention, the insulative housing has an elastic wall extending forwardly. The elastic wall is located between the terminal slot and the receiving slot in a height direction, and the elastic wall protrudes toward one side of the corresponding terminal slot. Forming a stop portion that can be positioned to be engaged with the aforementioned conductive terminal.

According to a further improvement of the present invention, when the retaining member is pushed rearwardly into the receiving groove by an external force, the pressing member presses the elastic wall to move the stopper toward the corresponding terminal groove.

According to a further improvement of the present invention, the insulative housing has a blocking wall at a front end thereof and having the abutting surface, and when the holding member is positioned in the receiving groove, the blocking wall is located at the first fastening portion or the second The front side of the buckle portion and the inner wall surface thereof resist the first buckle portion or the second buckle portion.

As a further improvement of the present invention, the receiving groove is provided with a limiting surface extending obliquely from the abutting surface, and the limiting surface is inclined to extend the opening of the front end of the receiving groove and the opening of the rear end of the limiting surface. Smaller.

According to a further improvement of the present invention, the retaining member has oppositely disposed insertion portions and a front end portion, and the insertion portion projects into the receiving groove and abuts against the other side of the elastic wall opposite to the stopping portion. .

According to a further improvement of the present invention, the electrical connector has a plurality of the conductive terminals, wherein each of the conductive terminals has a main body portion, a contact arm extending forward from the main body portion, and a tail portion extending rearward from the main body portion, wherein the main body portion is provided A positioning structure that is engaged with the stopper.

According to a further improvement of the present invention, the elastic wall further has a distal end portion on a front side of the stopper portion, and when the retaining member is pushed backward by an external force, the distal end portion presses the contact arm under the pushing of the insertion portion. Adjacent to one side of the aforementioned elastic wall, the contact arm is moved toward one side away from the elastic wall.

According to a further improvement of the present invention, the conductive terminal further has a protective arm integrally connected to the body portion and located on a non-butting side of the contact arm.

According to a further improvement of the present invention, the main body portion has a pair of base portions oppositely disposed, a connecting portion connecting the one ends of the pair of base portions, and an opening end folded outward from the corresponding base portion and a pair of extension portions extending in opposite directions The conductive terminal has a pair of protection arms extending forward from the front end of the corresponding extension portion.

Compared with the prior art, the retaining member and the conductive terminal of the electrical connector of the present invention are easy to assemble, and the retaining member is not easily lost during transportation; and the holding force of the conductive terminal in the insulating body is better and the docking effect with the mating terminal is better. better.

Referring to FIG. 1 to FIG. 11 , the electrical connector 100 of the present invention includes an insulative housing 1 , a plurality of conductive terminals 2 fixed in the insulative housing 1 , and a holder assembled in the insulative housing 1 . 3.

Referring to the first to fourth figures, and in combination with the seventh to eleventh drawings, the insulative housing 1 has opposite abutting faces 10 and mounting faces 11 and includes a plurality of holes extending in the front-rear direction for receiving The terminal groove 12 of the conductive terminal 2 and the receiving groove 13 formed by recessing from the abutting surface 10 are formed.

In the present embodiment, the terminal groove 12 has two rows arranged in the height direction, and the receiving groove 13 is located between the two rows of terminal slots 12 in the height direction, and the receiving groove 13 is elongated in the lateral direction, and It is in communication with both rows of terminal slots 12. In other embodiments, the terminal slots 12 may have more rows, and the adjacent rows of terminal slots 12 are provided with a receiving slot 13 . The receiving groove 13 is provided with a limiting surface 131 extending obliquely from the abutting surface 10, and the limiting surface 131 is inclined to extend the opening of the front end of the receiving groove 13 and the opening of the rear end of the limiting surface 131 is small. In this way, the insertion of the holder 3 is facilitated and the holder 3 can be restrained by the limiting surface 131.

The insulative housing 1 has a resilient wall 14 extending forwardly therebetween. The elastic wall 14 is located between the corresponding terminal slot 12 and the receiving slot 13 in the height direction, and the elastic wall 14 protrudes toward one of the corresponding terminal slots 12 . A stopper portion 141 that can be positioned and held by the conductive terminal 2 is formed. The elastic wall 14 further has a distal end portion 142 on the front side of the stopper portion 141.

In the present embodiment, the two terminal slots 12 correspondingly disposed in the height direction of the insulative housing 1 have two elastic walls 14 extending in the same direction, and the rear ends of the two elastic walls 14 are connected to each other, and the front end is along the height. The direction intervals are set and are all free ends. The two elastic walls 14 corresponding to the height direction are disposed opposite to each other in a mirror image and are located between the two rows of terminal slots 12 in the height direction, wherein each of the elastic walls 14 is respectively disposed corresponding to one of the terminal slots 12. Further, a space for inserting the holder 3 is formed at intervals between the two elastic walls 14 corresponding in the height direction.

The insulative housing 1 further has a blocking wall 15 at the front end thereof and having the abutting surface 10 formed thereon. The other side of the blocking wall 15 opposite to the abutting surface 10 is provided with an inner wall surface 150, and the inner wall surface 150 is disposed rearward. And located inside the aforementioned terminal slot 12.

Referring to the third to fourth, sixth to seventh, and ninth drawings, each of the foregoing conductive terminals 2 has a main body portion 21, a contact arm 22 extending forward from the main body portion 21, and a self-body portion. The main body portion 21 is provided with a positioning structure 214 that is engaged with the stopper portion 141 to prevent the conductive terminal 2 from shaking in the insulating body 1. The contact arm 22 has a mating side that is in contact with the mating terminal and the non-butting side that is disposed opposite the mating side.

Each of the aforementioned conductive terminals 2 further has a protection arm 24 integrally connected to the body portion 21 and located on the non-butting side of the contact arm 22.

The main body portion 21 has a pair of base portions 211 and a connecting portion 212 connecting the one ends of the pair of base portions 211. The conductive terminal 2 further has a pair of protection arms 24 respectively connected to the corresponding base portions 211, the contact arms. 22 extends forward from the front end of the aforementioned base portion 211 on the corresponding side.

In this embodiment, the conductive terminal 2 further has a pair of extending portions 213 which are respectively folded outward from the open end of the corresponding base portion 211 and extend in the opposite direction. The protective arm 24 extends forward from the front end of the corresponding extending portion 213. And the length of extension of the pair of extension portions 213 in the lateral direction is different to be inserted into the corresponding insulative housing 1 in a predetermined direction. In other embodiments, the pair of protection arms 24 may also be bent forwardly from the rear end or the middle portion of the base portion 211; or the pair of extension portions 213 may be forwarded from the rear end or the middle portion of the base portion 211. The bending extension extends, and the protection arm 24 extends forward from the front end of the corresponding extension portion 213.

The positioning structure 214 is a first receiving portion 2141 provided by one of the extending portions 213. Further, the extension portion 213 has a longer extension portion and is provided with the first receiving portion 2141, and the corresponding base portion 211 of the inner portion is provided with a second receiving portion 2142, the first receiving portion 2141 and the second receiving portion. The portions 2142 are correspondingly disposed to form the aforementioned positioning structure 214. In other embodiments, the first receiving portion 2141 may be disposed on one extension portion 213 having a shorter extension length, and the second receiving portion 2142 may be disposed on the corresponding base portion 211.

In the present embodiment, the positioning structure 214 is a positioning hole that penetrates through the thickness direction of the main body portion 21, and specifically, the first housing portion 2141 penetrates the extending portion 213 along the thickness direction, and the second housing portion 2142 penetrates the corresponding base portion 211 inside the extending portion 213 along the thickness direction, and the first receiving portion 2141 and the second receiving portion 2142 are aligned with each other and communicate with the positioning structure 214. In other embodiments, the positioning structure 214 may also be a structure such as a recess that can form a holding position.

The holder 3 has a substrate 30, a first fastening portion 31 and a second fastening portion 32 disposed on both sides of the substrate 30 in the height direction, and the first fastening portion 31 and the second fastening portion 32 are in the front-rear direction. And the lateral direction is staggered. In the embodiment, the second fastening portion 32 is disposed near the front end of the substrate 30, and the first fastening portion 31 is located at the rear side of the second fastening portion 32, and the plurality of first fastening portions 31 and the second portion. The latching portions 32 are alternately disposed in the lateral direction and are disposed corresponding to the different terminal slots 12; further, the plurality of the first latching portions 31 and the plurality of the second latching portions 32 are respectively disposed in pairs, wherein each of the adjacent two The first latching portions 31 are paired with the same one of the terminal slots 12, and each of the two adjacent second latching portions 32 is disposed opposite to the adjacent one of the other terminal slots 12.

Referring to the first, seventh, and tenth drawings, the pre-mounting member 3 is inserted backward into the receiving groove 13 from the mating surface 10, and the first engaging portion 31 is moved backward until the blocking wall is passed. 15 and latching on the rear side of the inner wall surface 150, so that the retaining member 3 can be prevented from falling out of the insulative housing 1; and, in view of the fact that the second latching portion 32 has not entered the receiving slot 13, and is placed in the receiving slot 13 The surface 131 is resisted to prevent the holder 3 from being mistakenly pressed into the rear side of the barrier wall 15 before the conductive terminal 2 is placed in the insulating body 1, thereby causing inconvenience in assembling the conductive terminal 2.

During the pre-assembly, the holder 3 is assembled by the first fastening portion 31 and positioned in the receiving groove 13 to prevent it from being withdrawn, thereby preventing the holder 3 from falling out of the pre-installed position during transportation or the like; 2 After the insulative housing 1 is inserted, the retaining member 3 is pushed in the direction of the mounting surface 11 by an external force and is positioned in the receiving groove 13 by the second latching portion 32.

The substrate 30 of the holder 3 has an insertion portion 301 and a front end portion 302 which are oppositely disposed. The insertion portion 301 is configured to be pointed toward the insertion end so as to facilitate insertion into the receiving groove 13, and the insertion portion 301 extends into the receiving portion. The groove 13 is in contact with the other side of the elastic wall 14 opposite to the stop portion 141.

Referring to FIGS. 8 to 9 and 11 , the holder 3 is pushed forward into the receiving groove 13 by an external force applied by the mating connector or the tool, and the front portion of the holder 3 is placed. The lower side is respectively pressed against the elastic wall 14 of the corresponding side to move the stopper portion 141 disposed thereon toward the corresponding terminal slot 12, so that the stopping portion 141 is more deeply clamped in the positioning structure 214. In this way, the conductive terminal 2 can be more firmly fixed in the insulative housing 1 to further improve the holding force of the conductive terminal 2 and the cable (not shown) during soldering.

When the retaining member 3 is positioned in the receiving slot 13, the blocking wall 15 is located in front of the first latching portion 31 or the second latching portion 32 and resists the first latching portion or the inner wall surface 150 thereof. Two latching portions 32.

When the retaining member 3 is pushed backward by an external force, the distal end portion 142 of the elastic wall 14 is pressed by the insertion portion 301 to press the protective arm 24 adjacent thereto, thereby pressing the contact arm 22 close to the elastic wall. One side of the 14 is configured to move the contact arm 22 away from one side of the elastic wall 14 so that the oppositely disposed two contact arms 22 are close to each other, and the mating terminal can also be clamped when docked with the mating connector (not As shown in the figure), the docking retention and stability are enhanced.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

100‧‧‧Electrical connector

1‧‧‧Insulating body

10‧‧‧ docking

11‧‧‧Installation surface

12‧‧‧Terminal slot

13‧‧‧storage trough

131‧‧‧Limited surface

14‧‧‧Flexible wall

141‧‧‧stop

142‧‧‧End

15‧‧‧Block wall

150‧‧‧ inner wall

2‧‧‧Electrical terminals

21‧‧‧ Main body

211‧‧‧ base

212‧‧‧Connecting Department

213‧‧‧Extension

214‧‧‧ Positioning structure

2141‧‧‧First Housing Department

2142‧‧‧ Second Housing Department

22‧‧‧Contact arm

23‧‧‧ tail

24‧‧‧protective arm

3‧‧‧ Holder

30‧‧‧Substrate

301‧‧‧ Insertion Department

302‧‧‧ front end

31‧‧‧First buckle

32‧‧‧Second buckle

The first figure is an assembled view of the electrical connector of the present invention. The second figure is a view of another view of the electrical connector shown in the first figure. The third figure is an exploded perspective view of the electrical connector shown in the first figure. The fourth figure is a view of another view of the electrical connector shown in the third figure. The fifth figure is a perspective view of the holder of the electrical connector shown in the third figure. Figure 6 is a perspective view of the conductive terminals of the electrical connector shown in Figure 3. The seventh drawing is a cross-sectional view taken along line VII-VII of the first figure. The eighth figure is an assembled view of the holder of the electrical connector shown in the first figure after being pressed by an external force. The ninth drawing is a cross-sectional view taken along line IX-IX of the eighth drawing. The tenth figure is an enlarged view of the point C in the seventh figure. The eleventh figure is an enlarged view of the point D in the ninth figure.

Claims (10)

An electrical connector having an insulative housing and a retaining member assembled in the insulative housing, the insulative housing having oppositely disposed abutting surfaces and mounting surfaces, and including a plurality of terminal slots extending in the front-rear direction to receive the conductive terminals and from the foregoing The first retaining portion and the second latching portion are disposed in the front and rear recesses, and the retaining member is assembled by the first latching portion and positioned in the receiving slot. After the conductive terminal is inserted into the insulating body, the holding member is pushed in the direction of the mounting surface by an external force and is positioned in the receiving groove by the second fastening portion. The electrical connector of claim 1, wherein the insulating body has an elastic wall protruding forwardly, and the elastic wall is located between the terminal slot and the receiving groove in a height direction, and the elastic wall faces the corresponding One side of the terminal slot protrudes to form a stop portion that can be positioned to be engaged with the aforementioned conductive terminal. The electrical connector of claim 2, wherein the retaining member pushes the elastic wall to move the retaining portion toward the corresponding terminal slot when the retaining member is pushed rearwardly into the receiving groove by an external force. The electrical connector of claim 3, wherein the insulative housing has a barrier wall at a front end thereof and having the abutting surface, and when the retaining member is positioned in the receiving slot, the blocking wall is located in the foregoing The first buckle portion or the second buckle portion is corresponding to the front side of the first buckle portion or the second buckle portion by the inner wall surface of the first buckle portion or the second buckle portion. The electrical connector of claim 4, wherein the receiving slot is provided with a limiting surface extending obliquely from the abutting surface, and the limiting surface is inclined to extend the opening of the front end of the receiving slot. The opening at the rear end of the plane is small. The electrical connector of claim 3, wherein the retaining member has an opposite insertion portion and a front end portion, the insertion portion extending into the receiving groove and abutting against the elastic wall and the stop The other side of the opposite setting. The electrical connector of claim 6, wherein the electrical connector has a plurality of the conductive terminals, wherein each of the conductive terminals has a body portion, a contact arm extending forward from the body portion, and a rearward extending from the body portion In the tail portion, the main body portion is provided with a positioning structure that is engaged with the stopper portion. The electrical connector of claim 7, wherein the elastic wall further has a distal end portion on a front side of the stopper portion, and when the retaining member is pushed backward by an external force, the distal end portion is at the insertion portion. Pushing the aforementioned contact arm toward one side of the aforementioned elastic wall to move the contact arm toward one side away from the elastic wall. The electrical connector of claim 8, wherein the conductive terminal further has a protective arm integrally connected to the body portion and located on a non-butting side of the contact arm. The electrical connector according to claim 9, wherein the main body portion has a pair of base portions opposite to each other, a connecting portion connecting one end of the pair of base portions, and an open end of the corresponding base portion are folded outward and opposite To extend the pair of extensions, the conductive terminal has a pair of protective arms extending forwardly from the front end of the corresponding extension.