TW201421817A - Electrical connector and insulative housing thereof - Google Patents

Abstract

The present invention relates to an electrical connector and an insulative housing thereof. The electrical connector includes the insulative housing and a plurality of power contacts retained in the insulative housing. The insulative housing includes a plastic body and a pair of locker mounted at the two outsides of the insulative housing. The plastic body has a pair of locking portions respectively located at the two lateral walls thereof. Each locker has an abutting portion at an inside wall thereof to engage with the locking portion.

Description

Electrical connector and its insulation

The invention relates to an electrical connector, in particular to a structurally stable electrical connector between a plastic body and a locking mechanism.

A conventional electrical connector generally includes an insulative housing and a plurality of conductive terminals received in the insulative housing. The insulating body comprises a plastic body and a locking mechanism integrally disposed on two sides of the plastic body. When the docking connector is docked, the latching mechanism can elastically connect the electrical connector and the docking connector to ensure stable docking between the electrical connector and the docking connector. After multiple insertions and removals, if any of the foregoing locking mechanism or the plastic body is damaged separately, the entire electrical connector needs to be replaced, which not only causes difficulty in replacing the electrical connector, but also causes high cost.
In view of this, it is necessary to further improve the existing electrical connector to solve the above problems.

The object of the present invention is to provide an insulating member, the plastic body of the insulating member and the locking mechanism are separately provided, and the structural stability between the plastic body and the locking mechanism is good.
In order to achieve the above object, the present invention relates to an insulating member, which comprises a plastic body and a locking mechanism mounted on two sides of the plastic body. The two outer side walls of the plastic body are provided with a fastening portion, and the locking mechanism is The side wall is provided with an abutting portion that cooperates with the engaging portion to cooperate to restrict displacement of the locking mechanism relative to the plastic body.
According to a further improvement of the present invention, the plastic body includes a main body portion and an abutting portion extending from an end of the main body portion along a mating direction of the plastic body, the locking mechanism including a base portion, a buckle arm disposed substantially parallel to the base portion, and the base portion The connecting portion with the buckle arm is such that the latch mechanism is substantially H-shaped.
According to a further improvement of the present invention, the fastening portion is a T-shaped groove formed by recessing from the rear end of the main body portion along the plastic body in the mating direction, and the abutting portion protrudes outward from the inner side wall of the base portion to be adjacent to the T The T-block with the groove matched.
As a further improvement of the present invention, the T-shaped groove is outwardly exposed to the air, and the T-shaped groove is gradually narrowed along the mating direction of the plastic body, and the T-shaped block is gradually changed along the insertion direction of the locking mechanism. narrow.
According to a further improvement of the present invention, the engaging portion is a protrusion protruding outward from the outer side wall of the main body portion, and the protruding portion is formed to extend rearward from the front end of the main body portion and is gradually narrowed, and the abutting portion is self-contained. The front end of the base portion is recessed rearward to receive the groove of the protrusion, and the groove is gradually widened along the insertion direction of the locking mechanism.
According to a further improvement of the present invention, the fastening portion includes a first sliding groove recessed from the rear end of the main body portion along the mating direction of the plastic body, and a first protrusion protruding outward from the outer side wall of the main body portion, the abutting The second protrusion protruding from the inner side wall of the base portion to be received in the first sliding slot and recessed from the front end of the base portion in the opposite direction of the insertion of the locking mechanism to receive the first protruding block The second chute.
As a further improvement of the present invention, the fastening portion includes a first receiving groove recessed downward from a top end of the main body portion in a vertical direction, and a vertical direction protruding from a bottom end of the main body portion to an outer side wall of the main body portion The first rib, the abutting portion includes a second rib projecting from the top end of the base portion in a vertical direction on the inner side wall of the base portion, and recessing upward from a bottom end of the base portion in a vertical direction to accommodate the foregoing a second receiving groove of the first rib, wherein the second rib is received in the first receiving groove.
According to a further improvement of the present invention, the first receiving groove is disposed adjacent to the first rib on the outer side wall of the main body portion, and the positions of the first receiving groove and the first rib are interchangeable.
As a further improvement of the present invention, the fastening portion includes a first fixing hole recessed inward from a sidewall of the main body portion, and a first clamping block protruding outward from an outer side wall of the main body portion, the abutting portion including The inner side wall of the base portion protrudes outwardly to engage the second fixing hole of the first fixing hole and is recessed inward from the inner side wall of the base portion to receive the second fixing hole of the first clamping block.
Another object of the present invention is to provide an electrical connector which is structurally stable, convenient to replace, and cost-effective.
To achieve the above object, the present invention relates to an electrical connector comprising the above-described insulating member and a plurality of conductive terminals housed in the insulating member.
The electrical connector of the present invention and the insulating member thereof are provided separately from the plastic body and the locking mechanism, and a fastening portion is disposed on the outer side walls of the plastic body, and the inner side wall of the locking mechanism is disposed on the inner side wall of the locking mechanism The engaging portion cooperates with the abutting portion, so that the engaging portion cooperates with the abutting portion, and the plastic body and the locking mechanism are mutually restricted, thereby restricting the locking mechanism from being opposite to the plastic body. The displacement improves the structural stability of the electrical connector; on the other hand, when any one of the plastic body or the latching mechanism is separately damaged, only the damaged component needs to be replaced without replacing the entire electrical connector, thereby saving cost.

Referring to the first and second figures, the electrical connector 100 of the present invention includes an insulating member 10 and a plurality of conductive terminals received in the insulating member 10. The insulating member 10 includes a plastic body 11 and a locking mechanism 12 mounted on two sides of the plastic body 11. The plurality of conductive terminals includes a first terminal 20 and a second terminal 30.
Referring to the third embodiment and the second figure, a plurality of receiving slots are defined in the plastic body 11 for receiving the first terminal 20 and the second terminal 30 respectively. In the embodiment, the first terminal 20 and the second terminal 30 are different in shape, and the first terminal receiving groove 13 for receiving the first terminal 20 and the second terminal 30 for receiving the second terminal 30 are The shape of the two-terminal receiving groove 14 is also different.
The two outer side walls of the plastic body 11 are provided with a fastening portion 15 . The plastic body 11 includes a main body portion 111 and an abutting portion 112 extending from an end of the main body portion 111 in a direction in which the plastic body 11 abuts. In the present embodiment, the engaging portion 15 is provided on both outer side walls of the main body portion 111.
The first terminal receiving groove 13 and the second terminal receiving groove 14 respectively penetrate the plastic body 11 forward and backward, and the first terminal receiving groove 13 and the second terminal receiving groove 14 are located at the front end of the abutting portion 112 side. The abutting block 16 is respectively disposed to prevent the front end of the first terminal 20 from extending beyond the first terminal receiving groove 13 while preventing the front end of the second terminal 30 from extending beyond the second terminal receiving groove 14.
The inner side wall of the locking mechanism 12 is provided with an abutting portion 17 that cooperates with the engaging portion 15 to restrain the locking mechanism 12 from being opposite to the foregoing by the engagement of the engaging portion 15 and the abutting portion 17 The plastic body 11 is displaced. The locking mechanism 12 includes a base portion 121, a buckle arm 123 disposed substantially parallel to the base portion 121, and a connecting portion 122 connecting the base portion 121 and the buckle arm 123 such that the locking mechanism 12 is substantially H-shaped. In the present embodiment, the abutting portion 17 is provided on the inner side wall of the base portion 121.
There are a plurality of matching manners of the engaging portion 15 of the plastic body 11 and the abutting portion 17 of the locking mechanism 12, and the six types of matching limiting manners will be described in detail in the present specification.
Embodiment 1 : Referring to FIG. 4 and in conjunction with the second figure, the engaging portion 15 is a T-shaped groove 151 formed by recessing from the rear end of the main body portion 111 along the mating direction of the plastic body 11 . The T-shaped groove 151 is outwardly exposed to the air, and the T-shaped groove 151 is gradually narrowed along the mating direction of the plastic body 11. The inner side of the T-shaped groove 151 is wider than the outer side in the width direction of the plastic body 11. The abutting portion 17 is a T-shaped block 171 that protrudes outward from the inner side wall of the base portion 121 to cooperate with the T-shaped groove 151. The T-shaped block 171 is also gradually narrowed in the insertion direction of the latch mechanism 12. The outer side of the T-shaped block 171 is wider than the inner side in the width direction of the lock mechanism 12. Therefore, by the cooperation of the T-shaped groove 151 and the T-shaped block 171, the locking mechanism 12 can be restricted from being displaced relative to the plastic body 11. In the present embodiment, the outer wall of the main body portion 111 is provided with two T-shaped grooves 151 arranged one above the other, and the inner side walls of the base portion 121 are provided with two T-shaped blocks 171 arranged one above the other.
Embodiment 2: Referring to FIG. 5 and in conjunction with the second figure, the engaging portion 15 is a protrusion 152 that protrudes outward from the outer side wall of the main body portion 111. The protrusion 152 is formed to extend rearward from the front end of the main body portion 111 and is gradually narrowed. The abutting portion 17 is a recess 172 that is recessed rearward from the front end of the base portion 121 to receive the protrusion 152. The groove 172 is outwardly exposed to the air, and the groove 172 is gradually widened in the insertion direction of the lock mechanism 12. Therefore, by the cooperation of the protrusion 152 and the groove 172, the locking mechanism 12 can be restricted from being displaced relative to the plastic body 11. In the embodiment, the outer side wall of the main body portion 111 is provided with two protrusions 152 arranged one above the other, and the inner side wall of the base portion 121 is provided with two grooves 172 arranged up and down, and the protrusions 152 are arranged. The T-shaped block is wider than the inner side of the plastic body 11 in the width direction, and the groove 172 is a T-shaped groove which is wider on the inner side in the width direction of the lock mechanism 12 than the outer side.
Embodiment 3: Referring to FIG. 6 and the second figure, the fastening portion 15 includes a first sliding groove 153 recessed from the rear end of the main body portion 111 along the mating direction of the plastic body 11 and the main body portion 111. The first protrusion 154 protrudes outward from the outer side wall. The first sliding groove 153 is outwardly exposed to the air, and the first protrusion 154 is formed to extend rearward from the front end of the main body portion 111 along the opposite direction of the plastic body 11 . The abutting portion 17 includes a second protrusion 173 protruding from the inner side wall of the base portion 121 to be received in the first sliding slot 153, and a front end of the latching mechanism 12 from the front end of the base portion 121. The direction is recessed to receive the second sliding slot 174 of the first protrusion 154. Therefore, by the cooperation of the first sliding groove 153 and the second protrusion 173 and the cooperation of the first protrusion 154 and the second sliding groove 174, the locking mechanism 12 can be restricted from being displaced relative to the plastic body 11. .
In the embodiment, the first sliding slot 153 and the first protruding block 154 are arranged up and down, and the first sliding slot 153 is disposed above the first protruding block 154; the second protruding block 173 and the second sliding portion are The slots 174 are arranged above and below, and the second bumps 173 are disposed above the second sliding slots 174. The first bump 154 and the second bump 173 are T-shaped blocks wider than the inner side in the width direction of the insulating member 10, and the first sliding groove 153 and the second sliding groove 174 are the insulating members. The inner side of the width direction of 10 is wider than the outer T-shaped groove.
Embodiment 4: Referring to FIG. 7 and in conjunction with the second figure, the fastening portion 15 includes a first receiving groove 155 recessed downward from a top end of the main body portion 111 in a vertical direction, and a portion from the main body portion 111. The bottom end protrudes in a vertical direction from the first rib 156 on the outer side wall of the main body portion 111. The abutting portion 17 includes a second rib 175 protruding from the top end of the base portion 121 in a vertical direction on the inner side wall of the base portion 121 and recessed upward from the bottom end of the base portion 121 in the vertical direction to receive the first portion. The second receiving groove 176 of the rib 156. The first receiving groove 155 and the second receiving groove 176 are outwardly exposed to the air, and the second protruding rib 175 is received in the first receiving groove 155. Therefore, the engagement of the first receiving groove 155 with the second rib 175 and the engagement of the first rib 156 with the second receiving groove 176 can restrict the displacement of the locking mechanism 12 relative to the plastic body 11 .
In the present embodiment, the first rib 156 is disposed between the first receiving groove 155 and the abutting portion 112, the second rib 175 is disposed corresponding to the first receiving groove 155, and the second receiving groove 176 corresponds to the foregoing The first rib 156 is disposed. The first rib 156 and the second rib 175 are T-shaped blocks which are wider than the inner side in the width direction of the insulating member 10, and the first receiving groove 155 and the second receiving groove 176 are insulated from the foregoing. The inner side of the member 10 in the width direction is wider than the outer T-shaped groove.
Embodiment 5: Referring to FIG. 8 and the second embodiment, the present embodiment is substantially the same as the fourth embodiment. The difference between the two is that the first rib 156 is from the main body in the embodiment. The top end of the main body portion 111 protrudes from the bottom end of the main body portion 111 in the vertical direction; the second rib 175 is formed by the bottom end of the main body portion 111; The bottom end of the base portion 121 protrudes from the inner side wall of the base portion 121 in a vertical direction, and the second receiving groove 176 is recessed downward from the top end of the base portion 121 in the vertical direction. As described above, the first receiving groove 155 is disposed adjacent to the first rib 156 on the outer side wall of the main body portion 111, and the positions of the first receiving groove 155 and the first rib 156 are interchangeable. .
Embodiment 6: Referring to FIG. 9 and in conjunction with the second figure, the fastening portion 15 includes a first fixing hole 157 recessed inward from the outer side wall of the main body portion 111 and an outer side wall of the main body portion 111. The first block 158 protrudes outward. The abutting portion 17 includes a second block 177 protruding outward from the inner side wall of the base portion 121 to cooperate with the first fixing hole 157 and recessed inwardly from the inner side wall of the base portion 121 to receive the first card. The second fixing hole 178 of the block 158. In the embodiment, the outer side wall of the main body portion 111 is provided with two first fixing holes 157 and two first first blocking holes 158 which are commonly arranged to form a square, and the two first fixing holes 157 and two The aforementioned first blocks 158 are respectively disposed diagonally. Therefore, the latching mechanism 12 can be restrained relative to the plastic body 11 by the first latching block 158 being locked in the second fixing hole 178 and the second latching block 177 being clamped in the first fixing hole 157. Perform displacement.
Referring to FIG. 10 and in conjunction with the second and third figures, the first terminal 20 is provided with a first contact portion 21, a first tail portion 23, and a combination of the first contact portion 21 and the first tail portion 23. Part 22. The first contact portion 21 includes a first contact piece 211 and a second contact piece 212 in a flat shape, and a third contact piece 213 connecting the first contact piece 211 and the second contact piece 212 to make the first contact The portion 21 is substantially U-shaped. A first cantilever 214 is formed by tearing from the top end of the third contact piece 213, and the first cantilever 214 extends toward the joint portion 22. The abutting block 16 is configured to resist the first contact portion 21 to restrict the first terminal 20 from falling out of the first terminal receiving groove 13 . The joint portion 22 and the first tail portion 23 are both substantially C-shaped.
Referring to FIG. 11 and in conjunction with the second and third figures, the second terminal 30 includes a second contact portion 31 and a second tail portion 32 extending rearward from one end of the second contact portion 31. The second contact portion 31 includes a first side 311, a second side 312, and a top edge 313 connecting the first side 311 and the second side 312, so that the second contact portion 31 is substantially U-shaped. A second cantilever 33 is formed by tearing the outer surface of the first side 311 and the second side 312 outward, and the two second cantilevers 33 are oppositely and symmetrically disposed. The limiting groove 34 is recessed downward from the upper surface of the top edge 313, and the limiting groove 34 is located above the two second cantilevers 33. A third cantilever 35 extending toward the second tail portion 32 is formed by tearing the upper surface of the top edge 313 outward. The third cantilever 35 is located behind the limiting slot 34 and adjacent to the second tail 32. In this embodiment, the second tail portion 32 is formed to extend outward from the rear end of the top edge 313.
In summary, the electrical connector 100 of the present invention is provided with the plastic body 11 and the locking mechanism 12 separately, and the fastening portions 15 are disposed on the outer side walls of the plastic body 11 at the locking mechanism 12 The inner side wall is provided with an abutting portion 17 that cooperates with the engaging portion 15 , so that the engaging portion 15 and the abutting portion 17 cooperate to make the plastic body 11 and the locking mechanism 12 mutually The limiting position further restricts the displacement of the locking mechanism 12 relative to the plastic body 11 to improve the structural stability of the electrical connector 100; on the other hand, the plastic body 11 or the locking mechanism 12 is individually damaged. When only the damaged component is replaced without replacing the entire electrical connector 100, the cost is saved.
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

10. . . Insulation

11. . . Plastic body

111. . . Main body

112. . . Docking

12. . . Locking mechanism

121. . . Base

122. . . Connection

123. . . Buckle arm

13. . . First terminal receiving slot

14. . . Second terminal receiving slot

15. . . Buckle

151. . . T-slot

152. . . Bump

153. . . First chute

154. . . First bump

155. . . First receiving slot

156. . . First rib

157. . . First fixing hole

158. . . First block

16. . . Resistant block

17. . . Abutment

171. . . T block

172. . . Groove

173. . . Second bump

174. . . Second chute

175. . . Second rib

176. . . Second receiving slot

177. . . Second block

178. . . Second fixing hole

20. . . First terminal

twenty one. . . First contact

211. . . First contact piece

212. . . Second contact piece

213. . . Third contact piece

214. . . First cantilever

twenty two. . . combination

twenty three. . . First tail

30. . . Second terminal

31. . . Second contact

311. . . First side

312. . . Second side

313. . . Top edge

32. . . Second tail

33. . . Second cantilever

34. . . Limit slot

35. . . Third cantilever

The first figure is a perspective view of the electrical connector of the present invention.
The second figure is an exploded view of the electrical connector shown in the first figure.
The third figure is a perspective view of the insulating member shown in the second figure.
The fourth drawing is an exploded view of the first embodiment of the insulating member shown in the third figure.
The fifth drawing is an exploded view of the second embodiment of the insulating member shown in the third figure.
The sixth drawing is an exploded view of the third embodiment of the insulating member shown in the third figure.
The seventh drawing is an exploded view of the fourth embodiment of the insulating member shown in the third figure.
The eighth drawing is an exploded view of the fifth embodiment of the insulating member shown in the third figure.
The ninth drawing is an exploded view of a sixth embodiment of the insulating member shown in the third figure.
The tenth figure is a perspective view of the first terminal of the conductive terminal shown in the second figure.
Figure 11 is a perspective view of the second terminal of the conductive terminal shown in the second figure.

100. . . Electrical connector

11. . . Plastic body

111. . . Main body

112. . . Docking

12. . . Locking mechanism

121. . . Base

122. . . Connection

123. . . Buckle arm

13. . . First terminal receiving slot

14. . . Second terminal receiving slot

15. . . Buckle

16. . . Resistant block

17. . . Abutment

20. . . First terminal

30. . . Second terminal

Claims (10)

An insulating member includes a plastic body and a locking mechanism mounted on two sides of the plastic body, wherein the outer side walls of the plastic body are provided with a fastening portion, and the inner side wall of the locking mechanism is provided with the buckle The abutting portion of the engaging portion cooperates to restrict the displacement of the locking mechanism relative to the plastic body. The insulating member according to claim 1, wherein the plastic body comprises a main body portion and an abutting portion extending from an end of the main body portion in a mating direction of the plastic body, the locking mechanism comprising a base portion and being substantially parallel to the base portion The buckle arm and the connecting portion of the base portion and the buckle arm are connected such that the latch mechanism is substantially H-shaped. The insulating member according to claim 2, wherein the fastening portion is a T-shaped groove formed by recessing the rear end of the main body portion along the plastic body, and the abutting portion is from the inner side wall of the base portion. The outer protrusion is a T-shaped block that cooperates with the aforementioned T-shaped groove. The insulating member according to claim 3, wherein the T-shaped groove is outwardly exposed to the air, and the T-shaped groove is gradually narrowed along a mating direction of the plastic body, and the T-shaped block is along the locking mechanism. The plugging direction is also gradually narrowed. The insulating member according to claim 2, wherein the engaging portion is a protrusion protruding outward from an outer side wall of the main body portion, and the protruding portion is formed to extend rearward from a front end of the main body portion and is gradually narrowed. The abutting portion is a groove recessed rearward from the front end of the base portion to receive the protrusion, and the groove is gradually widened along the insertion direction of the locking mechanism. The insulating member according to claim 2, wherein the fastening portion includes a first sliding groove recessed from a rear end of the main body portion along a mating direction of the plastic body, and a first protruding from an outer side wall of the main body portion. a bump, the abutting portion includes a second protrusion protruding from the inner side wall of the base portion to be received in the first sliding slot, and recessed from a front end of the base portion along a reverse direction of the locking mechanism The second chute of the first bump is received. The insulating member according to claim 2, wherein the fastening portion includes a first receiving groove recessed downward from a top end of the main body portion in a vertical direction and a vertical direction protruding from a bottom end of the main body portion a first rib extending from the outer side wall of the main body portion, the abutting portion includes a second rib protruding from the top end of the base portion in a vertical direction on the inner side wall of the base portion and a vertical end from the bottom end of the base portion The second receiving groove is recessed in a straight direction to receive the first protruding rib, and the second protruding rib is received in the first receiving groove. The insulating member according to claim 7, wherein the first receiving groove is disposed adjacent to the first protruding rib on the outer side wall of the main body portion, and the first receiving groove and the first protruding rib are The positions can be interchanged. The insulating member according to claim 2, wherein the fastening portion includes a first fixing hole recessed inward from a sidewall of the main body portion, and a first clamping block projecting outward from an outer side wall of the main body portion The abutting portion includes a second block protruding outward from the inner side wall of the base portion to cooperate with the first fixing hole and recessed inward from the inner side wall of the base portion to receive the second block of the first card block Fix the hole. An electrical connector comprising the insulating member according to any one of claims 1 to 9 and a plurality of conductive terminals housed in the insulating member.