TWI764625B - Electrical connector - Google Patents

Abstract

The present invention relates to an electrical connector, which comprises an insulative housing, a printed circuit board and a latching member retained with the insulative housing. The insulative housing has a main portion and a mating portion extending forwards from the main portion. The latching member has an actuating portion, a retaining portion fixed to the insulative housing, a connecting portion conjoining the retaining portion and the actuating portion, and a pair of latching arms connecting with opposite ends of the actuating portion for locking with a complementary connector. The actuating portion and the retaining portion are connecting with opposite ends of the connecting portion respectively. The electrical connector further has a pull tape, when the pull tape is pulled backward under an external force, the pull tape pushes the actuating portion and lifts free ends of the latching arms, thereby separating the electrical connector from the complementary connector.

Description

electrical connector

The present invention relates to an electrical connector, in particular to an electrical connector with high structural strength.

The locking between the traditional electrical connector and the docking connector is achieved by the hook. When unlocking, it is necessary to use the pull strap or directly apply force to the locking member to release the locking. However, the setting of the traditional locking member and the pull strap is not only complicated to operate. , unstable, and complicate the corresponding structural design of the insulating body.

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

The purpose of the present invention is to provide an electrical connector with convenient and stable unlocking.

In order to achieve the above purpose, the present invention provides an electrical connector, which includes an insulating body, a circuit board fixed on the insulating body, and a clip, and the insulating body has a main body portion and a butting portion extending forward from the main body portion, The clip has an actuating portion, a fixing portion fixed on the insulating body, a connecting portion connecting the fixing portion with the actuating portion, and two opposite ends of the actuating portion connected to one of the opposite ends to be locked with the docking connector. For the holding arm, the actuating portion and the fixing portion are respectively connected to opposite ends of the connecting portion, wherein the electrical connector also has a pull strap, and the pull strap pushes the actuation when it is pulled backwards under the action of an external force. The free end of the holding arm is lifted upward to separate from the docking connector, and the actuating part includes a base plate and a pair of oppositely disposed on both sides of the base plate. The extension arm and the elastic pressing portion connected to the front end of the base plate, the pulling belt abuts against the pressing portion, and pushes the pressing portion to move upward under the action of external force.

As a further improvement of the present invention, the drawstring has a joint portion and a grip portion opposite to the joint portion, and the joint portion is sleeved on the cross beam of the insulating body from the lower side of the pressing portion and the fixing portion. Thread the top side backwards.

As a further improvement of the present invention, the abutting portion is in a curved shape as a whole, located on the rear side of the beam and has a curved portion abutting against the joint portion, the curved portion is formed by reversely bending backward from the front end of the base plate and forming A free end is formed on the rear side of the bend.

As a further improvement of the present invention, wherein the fixing portion has a locking protrusion formed by protruding upward or downward, the locking member is inserted forward into the insulating body, and the locking protrusion enters and is limited to the insulating body in the card slot.

As a further improvement of the present invention, wherein the insulating body has an accommodating groove that is open to the rear and communicates with the retaining groove and a passage channel that communicates with the accommodating groove, and the fixing portion is accommodated in the accommodating groove, The aforesaid escape channel is aligned with the aforesaid cross beam to provide a movable space for the aforesaid drawstring.

As a further improvement of the present invention, the insulating body further has a pair of protruding plates spaced along the lateral direction to form the escape channel, the pair of protruding plates partially cover the accommodating groove on the upper side, and each protruding plate A card slot is provided.

As a further improvement of the present invention, the actuating portion further has a pair of protruding portions extending forward from the base plate, the insulating body further has a pair of limit walls, and the pair of limit walls are located in the transverse direction of the beam On the two sides, each limiting wall has a limiting groove which is open to the rear for insertion of the protruding portion.

As a further improvement of the present invention, the actuating portion further has a pair of vacant portions located on both sides of the pressing portion, and a vacant portion is provided between each of the protruding portions and the pressing portion in the lateral direction. separated in the direction.

As a further improvement of the present invention, each of the limiting walls is n-type, and includes a pair of standing walls spaced along the transverse direction and limiting walls connecting the opposing standing walls, and the beams limit the pair of limiting walls. The walls are adjacent to one of the opposing walls and are connected.

Compared with the prior art, the electrical connector of the present invention pushes the actuating portion when the pull strap is pulled backward under the action of an external force, and lifts the free end of the holding arm upward to separate from the docking connector, thereby releasing the electrical connector. The lock with the docking connector makes the unlocking operation convenient, and at the same time, the assembly of the pull strap and the clip is more convenient and the structure is more stable.

100: Electrical connector

1: Insulation body

11: Main body

12: Butt joint

121: top plate

123: Side panel

13: Beam

14: Limiting part

141: Stand up the wall

142: Limit wall

143: Limit slot

15: Raised plate

151: Card slot

16: accommodating slot

17: Give way channel

18: Containment Department

181: Support Department

182: Suspension Department

183: Containment Slot

184: The first barrier

185: Second barrier

186: Stage Difference Department

19: Give way slot

2: circuit board

21: Tongue plate

212: Goldfinger

3: Snaps

31: Fixed part

312: Card position convex part

32: Connection part

34: Action Department

341: Substrate

342: Extension Arm

343: Pressing part

3431: Bend

3432: Free end

344: Protrusion

345: Make way for the missing part

35:Clamping arm

351: Card Holder

4: Pull belt

41: Joint

42: Grip

5: Cable

6: Insulation parts

61: Positioning column

612: Fixed segment

613: Limit segment

7: Positioning pieces

71: Through hole

72: Positioning bumps

The first figure is a perspective assembly view of the electrical connector of the present invention.

The second figure is a view from another perspective of the electrical connector shown in the first figure.

Figure 3 is an exploded perspective view of the electrical connector shown in Figure 2 .

Figure 4 is a further exploded view of the electrical connector shown in Figure 3.

FIG. 5 is a three-dimensional schematic view of the latching element of the electrical connector in FIG. 3 .

Figure 6 is a view from another perspective of the clip shown in Figure 4.

Figures 7 to 9 are cross-sectional views of the electrical connector shown in the second figure.

Referring to the first to ninth figures, there are shown preferred embodiments of the electrical connector 100 of the present invention. The electrical connector 100 includes an insulating body 1 , a circuit board 2 fixed to the insulating body 1 , and a clip 3 , The drawstring 4 for driving the aforementioned fasteners 3 to move, wherein the aforementioned drawstrings 4 are not fixed to the aforementioned fasteners 3 . In the embodiment shown in the present invention, the drawstring 4 is sleeved on the insulating body 1 . In other embodiments, the drawstring 4 can also be sleeved on other insulating parts or metals additionally provided on the insulating body 1 . on the part.

Referring to the first to fourth figures and the seventh to ninth figures, the insulating body 1 has a main body 11 and a docking part 12 extending forward from the main body 11 , and the circuit board 2 is formed with a docking part 12 . The connector (not shown) is connected to the tongue portion 21 .

In addition, the aforementioned insulating body 1 also has a beam 13 and a pair of limiting portions 14 located on both sides of the aforementioned beam 13. The aforementioned beam 13 and the aforementioned limiting portion 14 are both disposed on the upper side of the aforementioned main body portion 11. Specifically, the aforementioned The beam 13 extends in the lateral direction, and the pair of limiting portions 14 stand up on the upper surface of the main body portion 11 and are located on both sides of the beam 13 in the lateral direction. Two adjacent standing walls 141 are connected.

Further, each of the aforementioned limiting portions 14 is n-type, and includes a pair of the aforementioned standing walls 141 and a limiting wall 142 connected to the paired standing walls 141 arranged at intervals along the lateral direction. Each aforementioned limiting portion 14 There is a limiting slot 143 surrounded by the aforementioned limiting wall 142 and the aforementioned pair of upright walls 141 , and the aforementioned limiting slot 143 penetrates the aforementioned limiting portion 14 in the front-rear direction. In addition, the cross beam 13 connects one of the paired upright walls 141 of the pair of limiting portions 14 adjacent to each other, and there is a space between the cross beam 13 and the upper surface of the main body portion 11 for the drawstring 4 to pass through. .

Please refer to FIGS. 3 to 8 , the fastener 3 is made of metal material, and has a fixing portion 31 fixed to the insulating body 1 , an actuating portion 34 , and connecting the fixing portion 31 and the actuating portion 34 The connected connecting portion 32 and the opposite ends of the aforementioned actuating portion 34 are connected to a pair of holding arms 35 for locking with the docking connector. The aforementioned actuating portion 34 and the aforementioned fixing portion 31 are respectively arranged opposite to the aforementioned connecting portion 32. The two ends are connected to each other, and the aforementioned actuating portion 34 is located on the upper side of the aforementioned fixing portion 31 .

Further, in the present embodiment, the aforementioned fastener 3 has a pair of aforementioned connecting portions 32 arranged at intervals along the lateral direction, and each aforementioned connecting portion 32 is a U-shaped structure with an opening facing forward.

Referring to FIGS. 3 to 8 , in the present invention, the actuating portion 34 includes a base plate 341 , a pair of extension arms 342 disposed opposite to both sides of the base plate 341 , and an elastic pressing portion connected to the front end of the base plate 341 . 343, the aforementioned base plate 341 and the aforementioned fixing portion 31 are spaced apart along the height direction, and the aforementioned pair of connecting portions 32 connect the aforementioned base plate 341 to the aforementioned fixing portion 31, and the aforementioned pulling tape 4 abuts the aforementioned pressing portion 343 and acts on the external force. The aforesaid pressing portion 343 is pushed downward to move upward.

The extension arms 342 are flat plates extending in the lateral direction, and each of the holding arms 35 extends forward from the extension arm 342 on the corresponding side.

The aforesaid pressing portion 343 has a curved shape as a whole, it is located at the rear side of the aforesaid beam 13 and has a curved portion 3431 abutting against the joint portion 41 of the aforementioned pulling tape 4 , the aforementioned curved portion 3431 is reversely bent from the front end of the aforementioned base plate 341 to the rear A free end 3432 is formed and formed at the rear side of the curved portion 3431, and the aforementioned free end 3432 extends backward and upward so as to be upwardly tilted.

The actuating portion 34 also has a pair of protruding portions 344 extending forward from the base plate 341 and a pair of recessed portions 345 located on both sides of the pressing portion 343 . Each of the limiting portions 14 has a rearward opening. The aforementioned limiting grooves 143 are provided for the aforementioned protruding portions 344 to be inserted into, and each aforementioned protruding portion 344 and the aforementioned pressing portion 343 are separated in the lateral direction by a aforementioned recessed portion 345 .

Each of the holding arms 35 extends forward from the adjacent extending arms 342 , and has a holding portion 351 located at the front end and protruding downward. The holding portion 351 is hooked with the docking connector so as to Locked state is reached.

In addition, the aforementioned insulating body 1 also has a pair of accommodating portions 18 protruding from the upper side thereof. The accommodating portion 18 has a supporting portion 181 connected to the main body portion 11 and a suspension portion 182 located above the abutting portion 12 . Each of the accommodating portions 18 has an accommodating groove 183 extending in the front-rear direction for accommodating the holding arms 35 , and the accommodating grooves 183 penetrate the suspension portion 182 in the height direction to make the holding portion 35 at least partially protrude downward. on the lower side of the aforementioned suspension portion 182 .

The aforesaid butt joint 12 has a top plate 121 arranged in the lateral direction and a pair of side plates 123 located on both sides of the top plate 121 in the lateral direction. There is a space between the mounting portion 182 and the aforementioned top plate 121 for the insertion of the butt connector.

The accommodating portion 18 also has a first blocking wall 184 and a second blocking wall 185 separated by the accommodating groove 183 , the first blocking wall 184 is located outside the second blocking wall 185 , and the rear end surface of the second blocking wall 185 A step portion 186 is formed on the front side of the first blocking wall 184 to accommodate the portion of the actuating portion 34 adjacent to the holding arm 35 .

The insulating body 1 has a pair of recessed recesses 19 , and the recesses 19 and the receiving recesses 183 are aligned in the height direction. The aforesaid escape groove 19 extends in the front-rear direction, and extends from the front end surface of the insulating body 1 to the rear end surface of the insulating body 1 .

In the present invention, the drawstring 4 is not fixed to the buckle member 3, but is sleeved on the insulating body 1, and pushes the actuating portion 34 to hold the actuation portion 34 when it is pulled backward under the action of an external force. The free end of the arm 35 is lifted up to separate from the butt connector, so that the structure of the insulating body 1 is simple, the assembly of the drawstring 4 is also simple and convenient, and there is no opening on the buckle 3 for the drawstring to pass through. The perforated holes make the structural strength of the aforementioned fastener 3 higher.

Wherein, the drawstring 4 is not fixed to the fastener 3, that is, the drawstring 4 does not have a direct connection or assembly relationship with the fastener 3. In other words, the fastener 3 is not opened. A through hole for the aforementioned drawstring 4 to pass through.

In the present invention, the pulling tape 4 is sleeved on the insulating body 1 may specifically include the following situations. The pulling tape 4 is directly pierced on the insulating body 1 to form a penetrable structure integrally formed, and can also be threaded on the insulating body 1. Other insulating parts or metal parts additionally provided on the main body 1 can be provided as long as they are not sleeved and fixed on the clips 3 .

Further, the aforementioned drawstring 4 has a joint portion 41 and a grip portion 42 disposed opposite to the aforementioned joint portion 41 . The aforementioned joint portion 41 is sleeved on the beam 13 of the aforementioned insulating body 1 from the lower side of the aforementioned pressing portion 343 , The upper side of the fixing portion 31 is protruded backward.

Further, the fixing portion 31 has a locking protrusion 312 protruding upward or downward. The locking member 3 is inserted into the insulating body 1 forward, and the locking protrusion 312 enters and is limited to the insulating body. 1 in the card slot 151.

The aforementioned insulating body 1 has an accommodating slot 16 which is open to the rear and communicates with the aforementioned locating slot 151 , and a receding channel 17 which communicates with the aforementioned accommodating slot 16 . The aforementioned fixing portion 31 is accommodated in the aforementioned accommodating slot 16 , and the aforementioned The escape channel 17 is aligned with the aforesaid cross beam 13 to provide a movable space for the aforesaid pulling belt 4 .

The insulating body 1 also has a pair of protruding plates 15 arranged at intervals in the lateral direction to form the aforesaid passage 17 . The pair of protruding plates 15 partially cover the accommodating groove 16 on the upper side, and each protruding plate 15 defines a The aforementioned card slot 151 .

In addition, in the present invention, the electrical connector 100 further includes a cable 5 electrically connected to the circuit board 2 , an insulating member 6 that wraps the electrical connection portion between the circuit board 2 and the cable 5 , and the insulating member 6 . The member 6 is fixed to a pair of positioning members 7 in the aforementioned insulating body 1 . The tongue portion 21 is located at the front portion of the circuit board 2 , and a plurality of gold fingers 212 are provided on the tongue portion 21 for contacting with the conductive terminals of the mating connector.

The two sides of the aforementioned insulating body 1 also have matching structures for positioning with the corresponding positioning members 7 respectively. The extending positioning protrusions 72 are in a direction along the inner side of the electrical connector 100 toward the outer side of the electrical connector 100 , and the diameter of the through holes 71 is tapered.

The aforementioned insulating member 6 is overmolded on the electrical connection portion between the aforementioned circuit board 2 and the cable 5 . Therefore, correspondingly, a pair of positioning posts protruding outward are formed by injection molding on both sides of the aforementioned insulating member 6 in the lateral direction. 61. Each of the aforementioned positioning posts 61 has a fixing section 612 and a limiting section 613. The aforementioned fixing section 612 is adapted to the aforementioned through hole 71. When the aforementioned insulating body 1 is overmolded on the aforementioned insulating member 6, the aforementioned positioning protrusions are formed. The block 72 and the aforementioned limiting section 613 are enclosed by the aforementioned insulating body 1 .

In the electrical connector 100 of the present invention, the pull strap 4 of the present invention is not fixed to the aforementioned buckle member 3, but is sleeved on the aforementioned insulating body 1, and the aforementioned pull strap 4 pushes the aforementioned action when it is pulled backward under the action of an external force. 34 and lift the free end of the aforementioned holding arm 35 upward to separate from the docking connector, thereby releasing the lock between the docking connector and the docking connector, making the unlocking operation convenient, while the aforementioned pulling strap 4 and the clip 3 The assembly is more convenient and the structure is more stable.

It should be particularly pointed out that, for those of ordinary skill in the art, the equivalent changes to the present invention made under the teaching of the present invention should still be included in the claimed scope of the patentable scope of the present invention.

100: Electrical connector

11: Main body

14: Limiting part

18: Containment Department

32: Connection part

342: Extension Arm

344: Protrusion

35:Clamping arm

41: Joint

42: Grip

5: Cable

Claims (9)

An electrical connector, comprising an insulating body, a circuit board fixed on the insulating body, and a clip, the insulating body has a main body and a butt portion extending forward from the main body, and the clip has an actuating part, a fixing part A pair of holding arms are connected to the fixing portion of the insulating body, the connecting portion connecting the fixing portion and the actuating portion, and the opposite ends of the actuating portion to be locked with the docking connector. The fixing portion is respectively connected with the opposite ends of the connecting portion, wherein the electrical connector also has a pull strap, and the pull strap pushes the actuating portion when being pulled backward under the action of an external force and makes the holding arm free The end is lifted up to be separated from the docking connector. The actuating part includes a base plate, a pair of extension arms opposite to the two sides of the base plate, and an elastic pressing part connected to the front end of the base plate; Connect and push the aforesaid pressing portion to move upward under the action of external force. The electrical connector according to claim 1, wherein the drawstring has a joint portion and a grip portion opposite to the joint portion, and the joint portion is sleeved on the cross beam of the insulating body and then presses away from the pressing portion. The lower side and the upper side of the fixed part are pierced backwards. The electrical connector as claimed in claim 2, wherein the pressing portion is in a curved shape as a whole, located at the rear side of the beam and has a curved portion abutting against the joint portion, the curved portion extending from the front end of the substrate Backward reverse bending is formed and a free end is formed on the rear side of the bend. The electrical connector as claimed in claim 2, wherein the fixing portion has a locking protrusion formed by protruding upward or downward, the locking member is inserted forward into the insulating body, and the locking protrusion is formed Enter and be limited to the locking groove of the insulating body. The electrical connector according to claim 4, wherein the insulating body has An accommodating slot that is open to the rear and communicated with the aforesaid locating slot and a passing channel communicated with the aforementioned accommodating slot, the aforesaid fixing portion is accommodated in the aforementioned accommodating slot, and the aforesaid passing channel is aligned with the aforesaid beam to provide the aforesaid Drawstrings provide room for movement. The electrical connector as claimed in claim 5, wherein the insulating body further has a pair of protruding plates spaced apart in the lateral direction to form the escaping channel, the pair of protruding plates attaching the accommodating groove portion on the upper side cover, and each protruding plate is provided with the aforesaid locating slot. The electrical connector of claim 2, wherein the actuating portion further has a pair of protruding portions extending forward from the base plate, the insulating body further has a pair of limiting walls, and the pair of limiting walls On both sides of the transverse beam in the lateral direction, each limiting wall has a limiting groove which is opened backwards for the insertion of the protruding portion. The electrical connector as claimed in claim 7, wherein the actuating portion further has a pair of recessed portions disposed on both sides of the pressing portion, and a pair of recessed portions is formed between each of the protruding portions and the pressing portion. The aforementioned recesses are spaced apart in the lateral direction. The electrical connector as described in claim 7, wherein each of the limiting walls is n-type, and includes a pair of upright walls spaced apart along the lateral direction and a limiter wall connected to the opposite upright walls, the aforementioned The cross beam connects one of the pair of adjacent limiting walls to the opposite upright walls.

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