CN201041871Y - electrical connector - Google Patents

Abstract

The utility model discloses an electrical connector, which comprises a metal shell, an insulating body accommodated in the metal shell, a terminal group accommodated in the insulating body, and a locking member assembled in the insulating body, wherein the metal shell The outer surface of the outer body is provided with a first bent piece and a second bent piece bent towards the inside of the metal shell. The locking piece includes a front end assembled in the insulating body and a rear end opposite to it. The first bent piece and the second bent piece abut against connected to the rear end of the locking member, so that the locking member is stably held in the electrical connector.

Description

electrical connector

【Technical field】

The utility model discloses an electric connector, especially a miniature electric connector.

【Background technique】

Nowadays, with the miniaturization trend of various electronic products, the corresponding electrical connectors also need to be miniaturized accordingly, so miniature electrical connectors are used in various miniature electronic products, and when the miniature electrical connectors are docked with the docking connector Due to the small size of the connector, the docking with the mating connector is unstable, and it is easy to disengage the connector from the mating connector, so that the signal cannot be transmitted stably. Therefore, the micro electrical connector is often provided with a locking member for fastening with the corresponding mating locking member of the docking connector, so that the electrical connector and the docking connector can be docked stably, so that the signal can be transmitted stably. Usually the lock piece is held in the electrical connector by the thorn provided by itself. Because the miniature electrical connector is small in size, the lock piece assembled in it is also small in size, and the thorn set on the lock piece is also corresponding. It is too small to stably hold the latch in the electrical connector.

In view of the above disadvantages, it is necessary to provide an electrical connector with a locking member having a stable holding effect.

【Content of utility model】

The technical problem to be solved by the utility model is to provide an electrical connector with a locking member with a stable holding function.

In order to solve the above technical problems, the utility model provides an electrical connector, which includes a metal shell, an insulating body accommodated in the metal shell, a terminal group accommodated in the insulating body, and a locking member assembled in the insulating body , wherein, the outer surface of the above-mentioned metal shell is provided with a first bent piece and a second bent piece bent inwards, the locking member includes a front end assembled in the insulating body and a rear end opposite to it, the first bent piece and the second bent piece The bent piece abuts against the rear end of the buckle.

Compared with the prior art, the utility model has the following beneficial effects: the metal shell is provided with a first bent piece and a second bent piece, and the first bent piece and the second bent piece abut against the rear end of the buckle, Therefore, the locking member can be stably held in the electrical connector.

【Description of drawings】

Fig. 1 is an exploded view of the electrical connector of the present invention.

Fig. 2 is a combination diagram of the electrical connector of the present invention.

Fig. 3 is an exploded view from another angle of the electrical connector of the present invention, wherein the upper housing is not shown.

Fig. 4 is another perspective assembly view of the electrical connector of the present invention, wherein the upper housing is not assembled.

【Detailed ways】

1 to 4, the utility model electrical connector 1 includes a metal shell 2, an insulating body 3 accommodated in the metal shell 2, a terminal group 4 accommodated in the insulating body 3, assembled in the metal shell 2 inside the locking piece 5, and the blocking piece 6.

The metal case 2 includes an upper case 21 and a lower case 22 . The upper casing 21 includes an upper cover plate 210, and a blocking piece 211 and a U-shaped piece 212 extending from the upper cover plate 210 from the front and rear sides respectively. A first side wall 213 extends downward. A pair of first bent pieces 2101 and a first slot 2102 are provided on the surface of the upper cover 210 of the upper housing 21 , wherein the first bent piece 2101 is vertically bent from the surface of the upper cover 210 to the inside thereof. The first side wall 213 of the upper housing 21 defines a pair of opposite first openings 2131 and a pair of inwardly protruding first protrusions 2132 . When the upper case 21 is covered on the insulating body 3 , the blocking piece 211 abuts against the insulating body 3 , thereby determining the relative positional relationship between the insulating body 3 and the upper case 21 . The lower housing 22 includes a lower cover plate 220, a second side wall 223 corresponding to the first side wall 213 of the upper housing 21, a docking portion 221 extending forward from the lower cover plate 220 along the docking direction, and a joint with the upper housing U The connecting piece 222 opposite to the shaped piece 212. The surface of the lower cover 220 is also provided with a pair of second bent pieces 2201 and a second slot 2202 , wherein the second bent piece 2201 is vertically bent from the surface of the lower cover 220 to the inside thereof. The second side wall 223 of the lower housing 22 is respectively provided with a second opening 2231 and a third opening 2232 at positions corresponding to the first opening 2131 and the first protrusion 2132 of the first side wall 213 of the upper housing 21. The wall 223 is further provided with a wrapper 2233 extending from the end thereof to cover the insulating body 3 . The docking portion 221 defines a locking hole 2211 corresponding to the locking member 5 . The docking portion 221 is used for inserting a docking connector (not shown), and has a protrusion 2212 on which the docking connector (not shown) is stably inserted. An opening (not labeled) for receiving cables (not shown) is formed between the U-shaped piece 212 and the connecting piece 222 .

The terminal group 4 includes several terminals (not numbered), as shown in FIG. 1 , each terminal (not numbered) has a contact portion 41 , a tail portion 43 , and a connecting portion 42 connecting the contact portion 41 and the tail portion 43 .

The locking member 5 has a locking arm 51 , a locking arm 53 and an elastic portion 52 connecting the locking arm 51 and the locking arm 53 . At the end of the lock arm 51, there is a lock 511 and a guide surface 512 located outside the lock 511. The guide surface 512 is an inclined plane with a certain angle. As for the hook (not numbered) in the insulating body 3 , a lower locking block 513 symmetrical to the upper locking block 531 is provided on the locking arm 51 . Both the upper clamping block 531 and the lower clamping block 513 are clamped at the rear end of the insulating body 3 .

The insulating body 3 includes a base 31 and a tongue 32. Both sides of the base 31 are provided with clamping bosses 310, and the middle part of the base 31 is provided with a first receiving channel 311 for receiving the connecting portion 42 of the terminal group 4, and The base 31 is provided with a pair of first receiving grooves 312 for receiving the locking member 5 on both sides of the first receiving channel 311, and the upper holding block 531 and the lower holding block 513 of the locking member 5 are held on Inside the first receiving groove 312 . An upper interference hole 313 and a lower interference hole 314 are respectively provided on the upper and lower surfaces of the base 31, wherein the lower interference hole 314 communicates with the first receiving channel 311, while the upper interference hole 313 communicates with the first receiving channel 311 isolation. The tongue portion 32 is formed by extending forward from the base portion 31 along the docking direction, and a second receiving channel 321 is provided on it for receiving the contact portion 41 of the terminal group 4 . In addition, the tongue portion 32 is also provided with a locker for receiving the locking member 5 The second receiving groove 322 of the arm 51 .

The blocking member 6 abuts against the tail portion 43 of the terminal set 4 , and the blocking member 6 is accommodated in the lower interference hole 314 of the insulating body 3 .

When assembled, the terminal group 4 is accommodated in the corresponding first accommodation channel 311 and the second accommodation channel 321 of the insulating body 3, wherein the connecting portion 42 of the terminal group 4 is accommodated in the first accommodation channel 311 of the base 31, and the contact portion 41 is accommodated In the second receiving channel 321 of the tongue portion 32 , the tail portion 43 of the terminal set 4 is exposed outside the insulating body 3 . The blocking member 6 is inserted into the insulating body 3 from the lower interference hole 314 of the insulating body 3 , and abuts against the connecting portion 42 of the terminal set 4 . The locking piece 5 is inserted into the insulating body 3 from the back to the front from the first receiving groove 312 of the insulating body 3, and the upper clamping block 531 and the lower clamping block 513 of the locking component 5 are all clamped in the first receiving groove 312 of the insulating body 3. In the groove 312, the clamping arm 53 of the locking member 5 is clamped on the base 31 of the insulating body 3, and the locking arm 51 passes through the base 31 of the insulating body 3 so that the end of the locking arm 51 is accommodated in the tongue 32. Inside the second storage tank 322 . The insulating body 3 is inserted from the rear end of the lower housing 22, and then the second bent piece 2201 of the lower housing 22 is bent so that it extends vertically into the lower housing 22 and abuts against the lower clamping block 513 of the locking member 5. The rear end face is used to prevent the locking member 5 from moving backward. Because the lower case 22 has elasticity, the two locking bosses 310 of the base 31 of the insulating body 3 can be conveniently accommodated in the second opening 2231 of the second side wall 223 of the lower case 22 . The tongue portion 32 of the insulating body 3 is accommodated in the docking portion 221 of the lower housing 22, and the two locks 511 of the locking member 5 are respectively clamped in the locking holes 2211 of the docking portion 221 of the lower housing 22, and are partially exposed to the lower housing. 22, which is used to buckle with the corresponding docking lock piece (not shown) of the docking connector (not shown). The retaining piece 211 of the upper housing 21 abuts against the front end of the base 31 of the insulating body 3 and fastens from top to bottom. The first protrusion 2132 of the first side wall 213 of the upper housing 21 is accommodated in the corresponding third opening 2232 of the second side wall 223 of the lower housing 22, and the first opening 2131 of the upper housing 21 is also correspondingly accommodated in the insulating The main body 3 holds the block 310 therein.

So far, the entire electrical connector 1 is assembled. When the electrical connector 1 is inserted into the docking connector (not shown), the exposed lock 511 of the locking member 5 will be engaged with the corresponding docking locking member (not shown) of the docking connector (not shown). , and the docking latch (not shown) of the docking connector (not shown) will produce vertical downward and horizontal rearward movement of the latch 5 through the guide surface 512 of the latch 5 during the fastening process. The force in the vertical direction causes the locking arm 51 to deflect downward, and the force in the horizontal direction is due to the rear end of the locking member 5 abutting against the first bent piece 2101 and the second bending piece 2101 of the metal shell 2. The two bent pieces 2201 offset each other, and because the planes of the first bent piece 2101 and the second bent piece 2201 are flush with the plane of the locking piece 5 , the locking piece 5 is stably held in the insulating body 3 .

In this embodiment, the first bent piece 2101 and the second bent piece 2201 are collectively referred to as the bent piece. The inside of the metal shell 2 can achieve the same effect by extending obliquely into the inside of the metal shell 2 in other embodiments, but when extending vertically into the inside of the metal shell 2, the contact area between the bent piece and the buckle 5 can be increased. It is the best implementation to reduce the wear and tear of the locking member 5 .

The above is only the implementation of the utility model, not all or the only implementation. Any equivalent changes to the technical solution of the utility model adopted by those of ordinary skill in the art by reading the specification of the utility model are all the changes of the utility model. covered by the claims.

Claims (4)

1. electric connector, comprise metal shell, be contained in the interior insulating body of metal shell, be contained in the interior terminal group of insulating body, be assembled in the snap close piece in the metal shell, wherein, snap close piece comprises front end and the rear end relative with it that is assembled in the insulating body, metal shell comprises lower house and lid upper shell thereon, and it is characterized in that: at least one is provided with the bending that is connected to the snap close piece rear end described upper and lower casing.

2. electric connector as claimed in claim 1, it is characterized in that: described lower house comprises lower cover and along the upwardly extending the first side wall in lower cover both sides, the first side wall is provided with the bag sheet, second sidewall that upper shell comprises upper cover plate and extends downwards along the upper cover plate both sides, above-mentioned bending is positioned on the upper and lower cover plate.

3. electric connector as claimed in claim 2 is characterized in that: described insulating body side is provided with and holds boss, and metal shell is provided with and holds corresponding first opening of boss and second opening, holds the boss and first opening and second open card and links and connect.

4. electric connector as claimed in claim 3 is characterized in that: described upper shell and lower house one are provided with first projection, and another one is provided with and corresponding the 3rd opening of first projection.

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