CN202196936U - Electric connector - Google Patents

Abstract

An electrical connector, comprising an insulating body, several terminals fixed in the insulating body and arranged along the longitudinal direction, and a shielding shell covering the insulating body, the insulating body is provided with at least one side wall, the side wall It has a front edge portion, the terminal is provided with a holding portion, a contact portion extending from one end of the holding portion, and a welding portion extending from the other end of the holding portion to the insulating body, and the shielding shell is provided with several front edge portions covering the insulating body Buckling part; the insulating body is provided with several protrusions protruding integrally from the front edge, and the buckling part of the shielding shell has a through hole for receiving the protrusion and a groove adjacent to the through hole. The part passes through the through hole and is clamped in the groove, so that the shielding case can be stably fixed on the insulating body.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector with a shielding shell. the

【Background technique】

Please refer to Japanese Patent Registration No. 4493710, which discloses a conventional electrical connector, which includes an insulating body, several terminals held on the insulating body, and a shielding shell covering the insulating body . The terminals are held in the insulating body and arranged along the longitudinal direction, and each terminal is provided with a holding portion, a contact portion extending from one end of the holding portion along a butt joint direction perpendicular to the longitudinal direction, and an insulating portion located at the other end of the holding portion and extending out of the insulation. The welding part of the body. The shielding case has a main body surrounding the periphery of the insulating body and several locking holes extending from the edge of the main body. The main body and the shielding shell are fixed in the vertical direction perpendicular to the longitudinal direction, the docking direction, and the longitudinal direction. However, after the shielding case is assembled to the insulating body, since no positioning structure is provided in the docking direction, the shielding case may still be detached from the insulating body. the

Therefore, in view of the above problems, it is necessary to propose a new electrical connector to solve the above problems. the

【Content of utility model】

The technical problem to be solved by the utility model is to provide an electrical connector for stably positioning the shielding case. the

In order to solve the above problems, the utility model electrical connector can adopt the following technical solutions: an electrical connector, including an insulating body, a plurality of terminals held in the insulating body and arranged along the longitudinal direction, and covered outside the insulating body The shielding shell, the insulating body is provided with at least one side wall, the side wall has a front edge portion, the terminal is provided with a holding portion, a contact portion extending from one end of the holding portion, and a welding portion extending out of the insulating body from the other end of the holding portion, The shielding shell is provided with several buckling parts covering the front edge of the insulating body; The through hole of the protrusion and the groove adjacent to the through hole, the protrusion passes through the through hole and is locked in the groove. the

As a further improvement of the electrical connector of the present invention: the groove and the through hole are arranged in communication with each other. the

As a further improvement of the electrical connector of the utility model: grooves are provided on both sides of the through hole. the

As a further improvement of the electrical connector of the present utility model: the convex part is accommodated in the through hole and the groove and is flush with the front side of the buckling part. the

As a further improvement of the electrical connector of the present invention: the grooves are located on both sides of the through hole in the longitudinal direction. the

As a further improvement of the electrical connector of the present utility model: the buckling part includes a bent main part and a pair of wings protruding integrally from both sides of the main part, the wings extend into the insulating body, and Extending in the longitudinal direction to the lower side of the front edge of the side wall. the

As a further improvement of the electrical connector of the present invention: the through hole and the groove are both arranged on the main body and between the two wing parts. the

As a further improvement of the electrical connector of the present invention: the front edge portion of the side wall of the insulating body has a first groove for accommodating the wings of the buckling portion, and a second groove for accommodating the main body of the buckling portion. the

As a further improvement of the electrical connector of the present invention: the shielding housing has a main body wall covering the side walls of the insulating body, and the wings are arranged perpendicularly to the main body wall. the

As a further improvement of the electrical connector of the utility model: the insulating body has another side wall opposite to the side wall, a receiving space is formed between the two side walls, and the main wall of the shielding housing is provided with another side wall fixed to the insulating body. Fixed part in one side wall. the

Compared with the prior art, the electrical connector of the utility model has the following beneficial effects: the convex part of the insulating body passes through the through hole of the buckle part of the shielding case and is held in the groove, so that the shielding case can be It is firmly fixed on the insulating body. the

【Description of drawings】

Fig. 1 is the combination diagram of the utility model electrical connector;

Fig. 2 is an exploded view of the utility model electrical connector;

Fig. 3 is a cross-sectional view of the utility model electrical connector shown in Fig. 1 along the A-A line;

Fig. 4 is a partial enlarged view of the utility model electrical connector shown in Fig. 1;

Fig. 5 is a combination diagram of the electrical connector of the present invention shown in Fig. 1 after a subsequent manufacturing process;

Fig. 6 is a partial enlarged view of the utility model electrical connector shown in Fig. 5;

Fig. 7 is a cross-sectional view of the electrical connector of the present invention shown in Fig. 5 along line B-B. the

【Detailed ways】

Please refer to Fig. 1 and Fig. 2, the electrical connector 100 of the present invention includes an insulating body 1, a plurality of terminals 2 held in the insulating body and arranged on the insulating body along the X direction (that is, the longitudinal direction) and a cover. The shielding shell 3 covering the outside of the insulating body. the

2 and 3, the insulating body 1 has a first side wall 11 (that is, a side wall) that extends along the X direction, and a second side wall 12 that is opposite to the first side wall 11 (that is, another side wall). One side wall) and a pair of end walls 13 connected to the opposite ends of the first and second side walls in the X direction. One side of the first side wall and the second side wall is integrally connected to form a base 14, and the first side The opposite side of the wall and the second side wall forms a receiving space 15, thereby forming a receiving space 15 between the two side walls; the insulating body 1 is provided with several terminal slots 16 to respectively accommodate the terminals 2, and the terminals 2 start from the base 14 is assembled and inserted into the terminal channel 16 of the insulating body along the Y direction (that is, the docking direction) perpendicular to the X direction. Each terminal 2 includes a holding part 21 held in the base part 14 of the insulating body, and a contact extending from one end of the holding part. part 22 and the welding part 23 which is located at the other end of the holding part 21 and extends out of the insulating body. Soldered to a printed circuit board (not shown). the

Please refer to FIG. 1 to FIG. 3 , the shielding housing 3 is assembled on the insulating body 1 along the opposite direction of the Y direction, and covers the first side wall 11 , the second side wall 12 and a pair of end walls 13 The outer side forms a docking cavity 151 for accommodating a docking connector (not shown). The above-mentioned terminal groove 16 communicates with the docking cavity 151, and the contact portion 22 of the terminal can be electrically contacted with the docking connector smoothly. The docking cavity 151 has a docking port 152 for smooth electrical connection between two electrical connectors. The shielding housing 3 includes a main body wall 30 covering the outside of the insulating body, several buckling parts 31 extending from the main body wall 30 and several protecting parts 32 extending from the main body wall 30, the protecting parts 32 and the buckling parts 31 are arranged at intervals and extend toward the docking port 152 in the Y direction. The main body wall 30 includes an upper wall 301 covering the outside of the first side wall 11, a lower wall 302 covering the outside of the second side wall, and a side end wall 303 covering the outside of the end wall 13. The side end wall 303 is integrally connected to both ends of the upper wall 301 or the lower wall 302 in the X direction, which is beneficial to improve the overall strength of the shielding case 3 . The side end wall 303 is provided with a locking portion 304 protruding outward, and the locking portion 304 is in the shape of a circular protrusion for stably locking the docking connector. the

3 to 4, the above-mentioned first side wall 11 has a front edge portion 111, and the buckle portion 31 of the shielding shell 3 is in a bent structure covering the front edge portion 111 of the insulating body, and is connected to the front edge portion 111. The front edge portions 111 are interlocked so as to stably fix the shielding case 3 . The buckling part 31 includes a bent main part 311 and a pair of wing parts 312 integrally protruding from both sides of the main part along the X direction, thus forming a "T" shape structure. The bent shape of the main part 311 The structure makes the wing 312 perpendicular to the main body wall 30, and the wing 312 extends into the insulating body and extends to the lower side of the front edge 111 of the first side wall along the X direction, so that it can be clamped on the front edge 111, that is to say, the buckling portion 31 begins to extend along the outside of the first side wall 11, and then continues to bend and extend to the first side wall along the Z direction (ie, the vertical direction) perpendicular to the X and Y directions. The lower part of the front edge 111 of 11 can prevent the shielding shell 3 from shaking in the Z direction so as to be detached from the insulating body 1, and can also prevent the shielding shell 3 from arching outwards and deforming. the

Please refer to Fig. 2 and Fig. 4, there is a first groove 112 below the front edge portion 111 of the above-mentioned insulating body to accommodate the wing portion 312 of the buckle portion, and the wing portion 312 is engaged in the first groove 112, which can prevent The shielding shell 3 shakes in the X direction; the first side wall 11 of the above-mentioned insulating body forms a second groove 113 for accommodating the main body portion 311 of the buckle 31, which is spaced apart from the second groove 113 and used for storage and protection The third groove 114 of the portion 32 can be used to accommodate the protection portion 32 and can further prevent the shielding case 3 from shaking in the X direction after being assembled on the first side wall 11 . The main body wall 30 of the shielding shell 3 is provided with a notch 305, and the first side wall 11 of the insulating body is provided with a protrusion 115 matching the notch 305, which can further prevent the shielding shell 3 from shaking in the X direction In this embodiment, the lower wall 302 of the main body wall 30 of the shielding housing is provided with a fixing portion 306 fixed in the second side wall 12 of the insulating body, which is beneficial to stably fix the shielding housing 3 on the insulating body 1 . the

2 to 4, the insulating body 1 is provided with several protrusions 116 protruding integrally from the front edge portion 111, and the buckle portion 31 of the shielding case has a through hole 313 for receiving the protrusions and a connection with the through hole 313. A groove 314 is disposed adjacent to the hole, and both sides of the through hole 313 have grooves 314 ; the protrusion 116 protrudes outside the front edge portion 111 through the through hole 313 . the

Please refer to Fig. 5 to Fig. 7, when the shielding shell 3 is fully assembled in the insulating body 1, the convex part 116 of the insulating body 1 reaches the melting point temperature and is softened by heating equipment (not shown), and then uses The flattening tool (not shown) deforms the convex portion 116 and fills and accommodates in the groove 314 on the side of the through hole 313, that is to say, part of the convex portion 116 is clamped in the groove 314, and Surrounded by grooves 314 in the X, Y, and Z directions, it can prevent the buckling part 31 from detaching from the insulating body 1 in the X, Y, and Z directions, and is conducive to firmly fixing the shielding shell 3 on the insulating body 1 . The groove 314 and the through hole 313 are arranged in communication with each other, so that the protrusion 116 is easy to flow during the deformation process and is convenient for forming; the groove 314 is located on both sides of the through hole 313 in the X direction, and is symmetrically arranged in the X direction On the one hand, it is beneficial to the force balance between the convex part 116 and the shielding shell, on the other hand, it is beneficial to reduce the thickness dimension of the electrical connector in the Z direction and save space; the through hole 313 and the groove 314 It is arranged on the main body 311 and between the two wings 312, and does not occupy the space at the wings 312, so as to prevent adverse effects on the strength of the shielding case 3; since the protrusion 116 fills the through hole 313 and the groove 314 and The front side of the buckling part 31 is flush with each other, and the surface is smooth, which can prevent the mating connector from scratching each other. the

Claims (10)

1. electric connector; The several terminals that includes insulating body, is immobilizated in the insulating body and arranges along longitudinally and be covered in the shielding casing outside the insulating body; Insulating body is provided with at least one sidewall; This sidewall has exterior region, the contact site that terminal is provided with holding parts, extend from holding parts one end and extend the weld part of insulating body from the holding parts other end, and shielding casing is provided with several holding parts of the exterior region that is covered in insulating body;

It is characterized in that: said insulating body is provided with several protuberances that protrude out setting from the exterior region one, the holding part of shielding casing have the through hole of accommodating this protuberance and with the groove of the adjacent setting of through hole, said protuberance passes through hole and is fastened in the groove.

2. electric connector as claimed in claim 1 is characterized in that: the setting that is interconnected of said groove and through hole.

3. according to claim 1 or claim 2 electric connector, it is characterized in that: said through hole both sides all have groove.

4. electric connector as claimed in claim 3 is characterized in that: said protuberance is contained in through hole and the groove and flushes with the holding part front side.

5. electric connector as claimed in claim 3 is characterized in that: said groove is positioned at the both sides on the through hole longitudinally.

6. electric connector as claimed in claim 3; It is characterized in that: said holding part comprises that the main part of bending, autonomous body both sides one protrude out a pair of alar part that forms; This alar part extends in insulating body, and extends to sidewall exterior region downside along longitudinally.

7. electric connector as claimed in claim 6 is characterized in that: said through hole and groove all be arranged on the main part, between the both wing portions.

8. electric connector as claimed in claim 7 is characterized in that: the exterior region of the sidewall of said insulating body have the alar part of accommodating holding part first groove, accommodate second groove of the main part of holding part.

9. electric connector as claimed in claim 6 is characterized in that: said shielding casing has the outer main wall of sidewall that is covered in insulating body, the perpendicular setting of said alar part and main wall.

10. electric connector as claimed in claim 9; It is characterized in that: said insulating body has another sidewall that is oppositely arranged with sidewall; Form receiving space between the two side, the main wall of shielding casing is provided with the fixed part in another sidewall that is immobilizated in insulating body.

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