CN205303806U - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector includes: a connector main part and cover are located a metal casing of connector main part, the connector main part includes a first main part and a second main part, first main part is equipped with a pothook and is located a lug in pothook the place ahead, the correspondence of second main part is equipped with an opening and is located a recess in opening the place ahead, further be equipped with the scalariform buckle of first -order in the opening, the pothook stretches into the opening and with buckle lock with, simultaneously the lug card end in the recess will first main part is in the same place with the second main part is fixed. The cooperation of lug and recess is offset pothook and buckle lock and in -process pothook atress prevent that the pothook warp fracture even.

Description

electrical connector

technical field

The utility model relates to an electrical connector, in particular to an electrical connector whose main body is assembled from a first main body and a second main body.

Background technique

In today's connector field, a production method in which a connector body is assembled from a first body and a second body has been widely used.

For example, a display port socket disclosed in Chinese patent application number 200920161848.7, its main body is assembled from a first composite component (first main body) and a second composite component (second main body), and the first composite component includes The first insulating body and the first terminal part, the second composite component includes the second insulating body and the second terminal part, and the two composite components are fixed together through the slot and the tenon. In combination with the accompanying drawings of the description, the slot is an opening on the front edge of the tongue plate of the first insulating body, and a stepped buckle is provided in the opening, and the tenon is shown as the front end of the tongue plate of the second insulating body The hooks provided on the edges correspond to the openings, and the hooks are locked with the buckles to fix the two composite components together.

However, with the rapid development of electronic technology, the requirements for the miniaturization and thinning of the connector are getting higher and higher. When the components of the connector are very fine and made of brittle plastic materials, the combination of the main body Strength poses a huge test. When the above-mentioned connector is assembled with the two main bodies or in the process of plugging and unplugging the docking connector, the hook is the main part for fixing the two main bodies, especially at the front end of the connector, which inevitably bears a large burden. Part of the impact force, so it is easy to cause destructive deformation or even fracture, so that the assembly structure of the two main bodies is destroyed and the connector is damaged.

Therefore, it is necessary to design a new connector to overcome the above problems, so that it not only meets the requirements of miniaturization and thinning, but also has sufficient assembly and insertion resistance.

Contents of the invention

The purpose of this utility model is to provide a connector formed by assembling the first body and the second body, which meets the requirements of miniaturization and thinning and has sufficient assembly and insertion resistance.

In order to achieve the above object, the utility model adopts the following technical solutions:

An electrical connector, characterized in that it includes: a connector body, including a first body and a second body, the first body is provided with a hook and a protrusion located in front of the hook, the first body The two main bodies are correspondingly provided with an opening and a groove, the opening is further provided with a buckle, the hook extends into the opening and locks with the buckle, and at the same time, the protrusion is locked in the groove grooves to fix the first body and the second body.

As a preference, the first body includes a first insulating body and a first terminal group integrally formed with the first insulating body; the second body includes a second insulating body and the first terminal group integrally formed with the first insulating body. A second terminal group and a metal sheet integrally formed by two insulating bodies.

Further, the first insulating body is provided with a first base, the lower surface of the first base forms a recess, and the inner wall of the recess is provided with a slot; the second insulating body is provided with a second base, The second base part is upwardly provided with a boss matched with the recessed part, and the side wall of the boss is provided with a convex rib; the convex rib is plugged into the slot.

Further, the first insulating body includes a first tongue extending forward from the first base, and the second insulating body includes a second tongue extending forward from the second base, so A step is provided on the upper surface of the second tongue plate, and the front end of the first tongue plate abuts against the step.

As a preference, the protrusion is arranged on the front end of the lower surface of the first tongue plate; the groove is arranged on the upper surface of the second tongue plate and is connected with the step.

As a preference, the hook extends downward from the lower surface of the first tongue plate and then bends forward; the opening passes through the second tongue plate and a step is provided at the front end to form the buckle.

As a preference, the upper surface of the second tongue plate is provided with a plurality of first terminal grooves, and the lower surface is provided with a plurality of second terminal grooves; the first terminal group includes the first tongue protruding forward The first contact portion at the front end of the board, the first contact portion is accommodated in the first terminal groove; the second terminal group includes a second contact portion exposed on the lower surface of the second tongue plate, the second The contact portion is accommodated in the second terminal slot.

As a preference, the first terminal groove and the second terminal groove are symmetrically distributed in the thickness direction of the second tongue plate.

As a preference, a first protrusion is provided upwards at the rear end of the boss, and an opening is provided at the rear end of the recess corresponding to the first protrusion, and the first protrusion is accommodated in the opening .

Further, the rear end of the lower surface of the first protrusion is recessed inwardly with a slot, and the rear edge of the recess is provided with a second protrusion, and the second protrusion extends into the slot and engages. connected to the first protrusion.

As a preference, it also includes a metal shell sleeved on the main body of the connector, the metal shell includes an inner shell and an outer shell, the inner shell surrounds a receiving cavity, and the On the connector main body, the outer shell is covered on the surface of the inner shell and welded together with the inner shell by laser.

Further, the end of the inner housing is provided with a pair of ear buckles, and the second body is correspondingly provided with a pair of notches, and the ear buckles are interlocked with the notches.

Further, the outer casing is provided with a tail, the first body is correspondingly provided with a stopper, and the tail part is stopped by the stopper.

Compared with the prior art, the main body of the connector involved in the utility model is assembled through the locking and locking of the tiny hook and the buckle, and there are projections and grooves in front of the hook and the buckle. In the process of assembling and plugging and unplugging the docking connector, the engaging structure counteracts the force of decomposing the hook, so that it not only meets the requirements of miniaturization and thinning, but also has sufficient Assembly, resistance to plugging and unplugging strength.

【Description of drawings】

Figure 1 is a three-dimensional exploded view of the electrical connector of the present invention;

Fig. 2 is a three-dimensional exploded view of a part of the electrical connector of the present invention;

Fig. 3 is a partial three-dimensional exploded view of another angle of the electrical connector of the present invention;

Fig. 4 is a cross-sectional view of the main body of the electrical connector of the present invention;

Fig. 5 is a cross-sectional view of the electrical connector of the present invention.

Description of the accompanying drawings for specific embodiments:

Electrical connector 100 Connector body 10 First body 1 First insulating body 11

First base part 12 Recessed part 121 Inner side wall 122 Slot 123

Hole 124 Second protrusion 125 First tongue plate 13 Hook 131

Bump 132 First terminal group 14 First contact part 141 First welding part 142

Block 15 Second body 2 Second insulating body 21 Second base 22

Boss 221 Rib 222 First protrusion 223 Slot 224

Second Tongue Plate 23 Opening 231 Buckle 2311 Groove 232

Step 233 First terminal groove 234 Second terminal groove 235 Second terminal group 24

Second contact part 241 Second welding part 242 Metal sheet 25 Notch 26

Metal shell 3 Inner shell 31 Outer shell 32 Accommodating cavity 311

Ear buckle 312 Tail 321 Support foot 322

【detailed description】

In order to facilitate a better understanding of the purpose, structure, features, and effects of the utility model, the utility model will be further described in conjunction with the accompanying drawings and specific embodiments.

Referring to FIGS. 1 to 4 , an electrical connector 100 includes a connector body 10 and a metal shell 3 sleeved on the connector body 10 .

1 and 4, the connector body 10 includes a first body 1 and a second body 2, the first body 1 includes a first insulating body 11 and the first insulating body 11 The integrally formed first terminal group 14 ; the second body 2 includes a second insulating body 21 , a second terminal group 24 and a metal sheet 25 integrally formed with the second insulating body 21 .

2 and 3, the first insulating body 11 is provided with a first base 12 and a first tongue 13 extending forward from the first base 12, the lower surface of the first base 12 forms a The recess 121, the inner wall 122 of the recess 121 is provided with a slot 123; the second insulating body 21 is provided with a second base 22 and a second tongue 23 extending forward from the second base 22, The second base 22 is upwardly provided with a boss 221 cooperating with the recess 121, the side wall of the boss 221 is provided with a convex rib 222, and the upper surface of the second tongue 23 is provided with a step 233; The protruding rib 222 is plugged into the slot 123 , and the front end of the first tongue 13 abuts against the step 233 .

4 and 5, the rear end of the boss 221 is provided with a first protrusion 223 upwards, and the rear end of the recess 121 is provided with an opening 124 corresponding to the first protrusion 223. The jack 223 is accommodated in the opening 124 . The rear end of the lower surface of the first protrusion 223 is concavely provided with a card slot 224, and the rear end edge of the recessed part 121 is provided with a second protrusion 125, and the second protrusion 125 partially extends into the card slot. 224 and clamped on the first protrusion 223 . In this embodiment, there are two first protrusions 223 , second protrusions 125 , openings 124 and locking slots 224 , which are symmetrically arranged at two ends of the corresponding insulating body.

Please refer to Figure 4 and Figure 5, the front end of the lower surface of the first tongue plate 13 is provided with the protrusion 132, and the rear end of the protrusion 132 extends downward from the lower surface of the first tongue plate 13 and then bends forward. Fold to form a hook 131; the upper surface of the second tongue 23 is provided with a groove 232, the groove 232 is connected with the step 233, and the rear end of the groove 232 is provided with an opening 231, and the opening 231 runs through The second tongue plate 23 is provided with a stepped buckle 2311 at the front end. The hook 131 extends into the opening 231 and locks with the buckle 2311 , while the protrusion 132 is locked in the groove 232 to fix the first body 1 and the second body 2 . In this embodiment, there are two protrusions 132 , hooks 131 , grooves 232 , openings 231 and buckles 2311 , which are symmetrically arranged at two ends of the corresponding insulating body.

Please refer to Figures 1 to 3, the upper surface of the second tongue plate 23 is provided with a first terminal groove 234, and the lower surface is provided with a second terminal groove 235; the first terminal group 14 includes the first terminal groove extending forward A first contact portion 141 at the front end of the tongue plate 13, and a first welding portion 142 protruding backward from the first base portion 12, the first contact portion 141 is accommodated in the first terminal groove 234; The second terminal group 24 includes a second contact portion 241 exposed on the lower surface of the second tongue plate 23, and a second welding portion 242 protruding backward from the second base portion 22, the second contact portion 241 is accommodated in The second terminal slot 235 . In this embodiment, the first terminal slots 234 and the second terminal slots 235 are symmetrically distributed in the thickness direction of the second tongue plate 23 .

Please refer to Figures 1 to 3, the metal shell 3 includes an inner shell 31 and an outer shell 32, the inner shell 31 encloses a receiving cavity 311, which is sleeved on the connector body 10, so The outer casing 32 is covered on the surface of the inner casing 31 and is welded together with the inner casing 31 by laser. The end of the inner housing 31 is provided with a pair of ear buckles 312 , and the second body 2 is correspondingly provided with a pair of notches 26 , and the ear buckles 312 are interlocked with the notches 26 . The outer casing 32 is provided with a tail portion 321 , the first main body 1 is correspondingly provided with a stopper 15 , and the tail portion 321 is stopped by the stopper 15 . In this embodiment, both ends of the tail portion 321 are further bent downwards to form supporting feet 322 , and the supporting feet 322 can be soldered to a circuit board (not shown).

The focus of the design of this utility model is to lock and fix the first main body 1 and the second main body 2 with the buckle 2311 located in the opening 231 through the hook 131, especially the protrusion 132 is provided in front of the hook 131, and the There is a groove 232 in front of the opening 231, the hook 131 extends into the opening 231 and locks with the buckle 2311, and at the same time, the protrusion 132 is engaged with the groove 232 to offset the impact force on the hook 131 during the assembly process; In addition, the first body 1 is also provided with a slot 123, and the second body 2 is provided with a rib 222, and the rib 222 is inserted into the slot 123 to assist in the assembly of the first body 1 and the second body. 2.

In summary, the beneficial effects of the electrical connector of the present invention include:

(1) The first main body 1 is provided with a hook 131 , the second main body 2 is provided with an opening 231 and a buckle 2311 located in the opening 231 , the hook 131 and the buckle 2311 lock and fix the first main body 1 and the The second body 2, during the locking process, the hook 131 extends into the opening 231 to first accurately position the first body 1 and the second body 2, the hook 131 expands and locks with the buckle 2311, and the hook 131 does not need to produce elastic deformation and Deformation recovery, not easy to cause fatigue to cause fracture;

(2) There is a protrusion 132 in front of the hook 131, and a groove 232 in front of the opening 231. The engagement between the protrusion 132 and the groove 232 is beneficial to protect the hook 131, whether it is When the two main bodies are assembled with each other or plugged into the docking connector, the horizontal force of the hook 131 will be shared by the engaging structure of the protrusion 132 and the groove 232, which will not cause damage to the hook 131 and prolong the service life;

(3) The arrangement of the protrusion 132 and the groove 232 as mentioned above can also ensure that the front end of the first tongue 13 abuts against the step 233 stably, and it will not be caused by the first tongue 13 being too thin or being damaged during the assembly process. Defects such as warping due to excessive force;

(4) The first base 12 is provided with a slot 123 , and the second base 22 is provided with a rib 222 , the slot 123 is mated with the rib 222 to assist in strengthening the cooperation between the hook 131 and the buckle 2311 , making the assembly of the first body 1 and the second body 2 in the horizontal direction more firm;

(5) The first base 12 is provided with a second protrusion 125, and the second base 22 is provided with a first protrusion 223, and the first protrusion 223 and the second protrusion 125 are snapped together to assist in strengthening the card. The cooperation between the hook 131 and the buckle 2311 makes the vertical assembly of the first body 1 and the second body 2 more firm;

The above detailed description is only a description of the preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Therefore, all equivalent technical changes made by using the instructions and illustrations of this creation are included in this creation. within the scope of the patent.

Claims (13)

1. An electrical connector, characterized in that, comprising: A connector body, including a first body and a second body, the first body is provided with a hook and a protrusion located in front of the hook, and the second body is correspondingly provided with an opening and a groove, so A buckle is further provided in the opening, and the hook extends into the opening and locks with the buckle, and at the same time, the protrusion is locked in the groove to fix the first body and the second body. main body. 2. The electrical connector according to claim 1, wherein the first body comprises a first insulating body and a first terminal group integrally formed with the first insulating body; the second body It includes a second insulating body, a second terminal group and a metal sheet integrally formed with the second insulating body. 3. The electrical connector according to claim 2, wherein the first insulating body is provided with a first base, the lower surface of the first base forms a depression, and the inner wall of the depression is provided with a plug Groove; the second insulating body is provided with a second base, and the second base is provided upward with a boss that matches the recessed portion, and the side wall of the boss is provided with a rib; the rib is plugged in the slot. 4. The electrical connector according to claim 3, wherein the first insulating body includes a first tongue extending forward from the first base, and the second insulating body includes a first tongue extending from the first base. A second tongue plate extending forward from the second base, a step is provided on the upper surface of the second tongue plate, and the front end of the first tongue plate abuts against the step. 5. The electrical connector according to claim 4, characterized in that: the protrusion is arranged on the front end of the lower surface of the first tongue; the groove is arranged on the upper surface of the second tongue and the front end of the first tongue. The steps are connected. 6. The electrical connector according to claim 4, wherein the hook extends downward from the lower surface of the first tongue and then bends forward; the opening penetrates the second tongue and A step is provided at the front end to form the buckle. 7. The electrical connector according to claim 4, wherein a plurality of first terminal grooves are arranged on the upper surface of the second tongue plate, and a plurality of second terminal grooves are arranged on the lower surface; the first terminal The set includes a first contact portion protruding forward from the front end of the first tongue plate, and the first contact portion is accommodated in the first terminal groove; the second terminal group includes a contact portion exposed under the second tongue plate The second contact portion on the surface is accommodated in the second terminal slot. 8. The electrical connector according to claim 7, wherein the first terminal groove and the second terminal groove are symmetrically distributed in the thickness direction of the second tongue plate. 9. The electrical connector according to any one of claims 3 to 8, wherein a first protrusion is provided upwards at the rear end of the boss, and a rear end of the recess is provided corresponding to the first protrusion. There is an opening, and the first protrusion is accommodated in the opening. 10. The electrical connector according to claim 9, characterized in that: the rear end of the lower surface of the first protrusion is recessed inwardly to form a card slot, and the rear end edge of the recess is provided with a second protrusion, so that The second protruding part protrudes into the slot and is engaged with the first protrusion. 11. The electrical connector according to claim 1, further comprising a metal shell sheathed on the connector body, the metal shell includes an inner shell and an outer shell, the The inner shell encloses a receiving cavity and is sheathed on the connector main body. The outer shell covers the surface of the inner shell and is welded together with the inner shell by laser. 12. The electrical connector according to claim 11, wherein a pair of ear buckles is provided at the end of the inner housing, and a pair of notches are correspondingly provided on the second body, and the ear buckles are interlocked with the notches and. 13 . The electrical connector according to claim 11 , wherein the outer shell is provided with a tail, the first main body is correspondingly provided with a stopper, and the tail part is stopped by the stopper. 14 .