CN214505886U

CN214505886U - Electrical connector

Info

Publication number: CN214505886U
Application number: CN202023101634.6U
Authority: CN
Inventors: 赵俊
Original assignee: Fuyu Electronic Technology Huaian Co Ltd; Foxconn Interconnect Technology Ltd
Current assignee: Fuyu Electronic Technology Huaian Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-26
Anticipated expiration: 2030-12-22

Abstract

An electric connector comprises an insulating body, a conductive terminal fixed on the insulating body, a shielding shell sleeved outside the insulating body, an outer shell coated outside the shielding shell and a waterproof ring, wherein a containing groove with a forward opening is formed between the outer wall surface of the shielding shell and the inner wall surface of the outer shell, the waterproof ring is arranged in the containing groove, a convex block positioned in the containing groove is convexly arranged on the outer wall surface of the shielding shell, and a groove matched with the convex block is arranged on the waterproof ring. Through with waterproof circle sets up the storage tank between shielding casing and shell to shielding casing sets up mutually supporting lug and recess with waterproof circle, thereby can effectively avoid waterproof circle to drop.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly to an electrical connector for inserting in a forward direction and a reverse direction.

[ background of the invention ]

Chinese utility model patent publication No. CN207967453U discloses a USB Type C socket connector for the positive and negative insertion of a butt connector, including insulator, accept in conductive terminal in the insulator, cladding in metal casing outside the insulator, set up in metal casing and cover outside the metal casing are located the waterproof circle of metal casing front end. However, the waterproof ring sleeved on the metal shell is easy to fall off from the metal shell, so that the waterproof ring is not favorable for the waterproof of the electric connector.

Accordingly, there is a need for an improved electrical connector to solve the above problems.

[ Utility model ] content

An object of the utility model is to provide a can supply positive reverse male electric connector, this electric connector has the reliable waterproof circle of fixing and possesses reliable waterproof performance.

The purpose of the utility model is realized through the following technical scheme: an electric connector comprises an insulating body, a conductive terminal fixed on the insulating body, a shielding shell sleeved outside the insulating body, a shell covering outside the shielding shell and a waterproof ring, wherein the insulating body comprises a base and a tongue plate extending forwards from the base, the conductive terminal comprises a fixing part fixed on the base, a contact part extending forwards from the fixing part and exposed on the butt joint surface of the tongue plate and a welding part extending out of the base from the fixing part, the shielding shell covers the base and forms a butt joint cavity with the tongue plate, a containing groove with a forward opening is formed between the outer wall surface of the shielding shell and the inner wall surface of the shell, the waterproof ring is arranged in the containing groove, and a lug positioned in the containing groove is convexly arranged on the outer wall surface of the shielding shell, the waterproof ring is provided with a groove matched with the convex block.

Further, the lug is formed by punching the inner wall surface of the shielding shell towards the outer wall surface, and the inner wall surface of the shielding shell is recessed corresponding to the lug to form a concave part exposed to the butt joint cavity.

Furthermore, the shielding shell comprises an upper wall, a lower wall and a pair of side walls, the lower wall is punched from an inner wall surface to an outer wall surface to form the convex block, and the inner wall surface of the lower wall is concavely arranged at a position corresponding to the convex block to form the concave part.

Furthermore, the projection is formed by punching the upper wall of the shielding shell from the inner wall surface to the outer wall surface, and the concave part is formed by the inner wall surface of the upper wall at the position corresponding to the projection in a concave mode.

Further, the connecting part between the concave part and the inner wall surface is a gradually contracted guiding arc surface.

Further, the waterproof ring is assembled in the accommodating groove from front to back and is clamped by the shielding shell and the shell.

Furthermore, the waterproof ring is formed by pouring liquid silica gel into the accommodating groove and solidifying the liquid silica gel.

Furthermore, the waterproof ring comprises an annular base body accommodated in the accommodating groove, an annular abutting part located at the front end of the base body and abutting against the front end face of the shell, and an annular protruding part formed by extending forwards from the abutting part, and the groove is arranged in the base body.

Further, a circumferential dimension of the protruding portion is larger than a circumferential dimension of the shield shell, and an inner surface of the protruding portion is an inclined guide surface constricted from front to rear.

Furthermore, the shell is an insulating shell, the front end of the shell is an annular part which is thickened along the circumferential direction, the front end face of the annular part is recessed backwards to form an annular recessed part, and the recessed part and the outer wall surface of the shielding shell form the accommodating groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the electric connector is characterized in that the waterproof ring is arranged in the accommodating groove between the shielding shell and the shell, the shielding shell and the waterproof ring are provided with the convex block and the groove which are matched with each other, so that the waterproof ring can be effectively prevented from falling off, in addition, the groove formed by the inner wall surface of the shielding shell corresponding to the convex block can gather water vapor entering the shielding shell, and the waterproof performance of the electric connector is improved.

[ description of the drawings ]

Fig. 1 is a perspective view of the electric connector of the present invention.

Fig. 2 is a perspective view of fig. 1 from another perspective.

Fig. 3 is an exploded perspective view of the electrical connector of the present invention.

Fig. 4 is an exploded perspective view of fig. 3 from another perspective.

Fig. 5 is a partially exploded view of the electrical connector of the present invention.

Fig. 6 is a cross-sectional view taken along line a-a of fig. 5.

Fig. 7 is a cross-sectional view taken along line B-B of fig. 1.

[ detailed description ] embodiments

Referring to fig. 1 to 7, the present invention discloses an electrical connector 100, wherein the electrical connector 100 is mounted on a circuit board (not shown). The electrical connector 100 is preferably a USB Type C receptacle connector into which a corresponding plug connector (not shown) can be inserted in both directions, but may be other types of connectors. The electrical connector 100 includes an insulating body 1, two rows of conductive terminals 2 fixed on the insulating body 1, a shielding shell 3 sleeved outside the insulating body 1, a housing 4 covering the shielding shell, a waterproof ring 5 and a waterproof rubber plate 6.

The insulative housing 1 includes a base 11 and a tongue plate 12 extending forward from the base 11, and the conductive terminal 2 includes a holding portion 21 held on the base 11, a contact portion 22 extending forward from the holding portion 21 and exposed to the mating surface 121 of the tongue plate 12, and a soldering portion 23 extending from the holding portion 21 and extending out of the base 11.

The shielding shell 3 is made of a metal material, and the shielding shell 3 is annularly covered on the base 11 and forms a docking cavity 30 between the base and the tongue plate 12 for inserting a docking plug connector (not shown). The housing 4 is an insulating housing, and a receiving groove 41 that opens forward is formed between an outer wall surface 301 of the shield case 3 and an inner wall surface 401 of the housing 4. The utility model discloses in, storage tank 41 is the annular, waterproof circle 5 set up in by in the storage tank 41 shield casing 3 with the 4 centre grippings of shell. The outer wall surface 301 of the shielding shell 3 is convexly provided with a convex block 3011 positioned in the containing groove 41, correspondingly, the waterproof ring 5 is provided with a groove 51 matched with the convex block 3011, and the groove of the waterproof ring 5 is fixedly matched with the convex block 3011 of the shielding shell 3, so that the holding force of the waterproof ring 5 is further enhanced, and the waterproof ring 5 is better prevented from falling off.

Specifically, the bump 3011 is punched from the inner wall surface 302 of the shielding shell 3 to the outer wall surface 301, and at this time, the inner wall surface 302 of the shielding shell 3 is recessed at a position corresponding to the bump 3011 to form a recess 3021, and the recess 3021 is exposed to the docking cavity 30. When water or water vapor enters the mating cavity 30, the recess 3021 can collect water or water vapor therein, and prevent the water or water vapor from flowing backwards, so that the electrical connector 100 is not prone to short circuit.

The shielding shell 3 includes an upper wall 31, a lower wall 32 and a pair of side walls 33, in the embodiment of the electrical connector 100, the upper wall 31 and the lower wall 32 of the shielding shell 3 are formed by punching an inner wall surface 302 toward an outer wall surface 301 to form the protrusion 3011, and correspondingly, the inner wall surface 302 of the upper wall 31 and the lower wall 32 is recessed at the corresponding protrusion 3011 to form the recess 3021. Of course, the protrusion 3011 and the recess 3021 may be disposed only on the lower wall 32, and the holding effect of the waterproof ring 5 is not better than that of the embodiment. The waterproof rubber plate 6 is arranged at the rear end of the base 11 and used for plugging a gap between the insulating body 1 and the shielding shell 3 and a gap between the insulating body 1 and the conductive terminal 2.

The connecting portion 3022 connected between the concave portion 3021 and the inner wall surface 302 is a gradually shrinking guiding arc surface, so that water or moisture entering the docking chamber 30 can be easily collected in the concave portion 3021 through the guiding of the guiding arc surface of the connecting portion 3022.

In the preferred embodiment of the present invention, the waterproof ring 5 is assembled in the containing groove 41 from front to back and is clamped between the shielding case 3 and the housing 4. In other embodiments, the waterproof ring 5 may also be formed by filling liquid silica gel into the accommodating groove 41 and curing the liquid silica gel. Specifically, the waterproof ring 5 includes an annular base 501 accommodated in the accommodating groove 41, an annular abutting portion 502 located at a front end of the base 501 and abutting against a front end surface of the housing 4, and an annular protruding portion 503 extending forward from the abutting portion 502, and the recess 51 is formed in the base 501 in a recessed manner.

The protruding portion 503 has a circumferential dimension larger than that of the shielding shell 3, and an inner surface of the protruding portion 503 is an inclined guide surface 5031 which is constricted from front to back, and the guide surface 5031 is used for guiding the insertion of a mating connector (not shown) into the shielding shell 3.

The front end of shell 4 is the annular part 42 that sets up for thickening along circumference, the preceding terminal surface 421 of annular part 42 set up backward to form forward opening and with the communicating depressed part 422 of the outer wall surface 301 of shielding casing 3, depressed part 422 with constitute jointly between the outer wall surface 301 of shielding casing 3 storage tank 41. The annular portion 42 is provided by thickening the front end of the housing 4, and the recessed portion 422 is provided at the annular portion 42, so that the strength of the front end of the housing 4 is not excessively weakened by the provision of the recessed portion 422.

The above description is only a partial embodiment of the present invention, not all embodiments, and any equivalent changes that the technical solutions of the present invention take are covered by the claims of the present invention through reading the present invention.

Claims

1. An electric connector comprises an insulating body, a conductive terminal fixed on the insulating body, a shielding shell sleeved outside the insulating body, a shell covering outside the shielding shell and a waterproof ring, wherein the insulating body comprises a base and a tongue plate formed by extending forwards from the base, the conductive terminal comprises a fixing part fixed on the base, a contact part formed by extending forwards from the fixing part and exposed on the butt joint surface of the tongue plate and a welding part extending out of the base from the fixing part, the shielding shell covers the base and forms a butt joint cavity with the tongue plate, and the electric connector is characterized in that: an accommodating groove with a forward opening is formed between the outer wall surface of the shielding shell and the inner wall surface of the shell, the waterproof ring is arranged in the accommodating groove, a convex block located in the accommodating groove is formed on the outer wall surface of the shielding shell in a protruding mode, and a groove matched with the convex block is formed in the waterproof ring.

2. The electrical connector of claim 1, wherein: the lug is formed by punching the inner wall surface of the shielding shell to the outer wall surface, and the inner wall surface of the shielding shell is sunken corresponding to the lug to form a concave part exposed in the butt joint cavity.

3. The electrical connector of claim 2, wherein: the shielding shell comprises an upper wall, a lower wall and a pair of side walls, the lower wall is punched from an inner wall surface to an outer wall surface to form the convex block, and the inner wall surface of the lower wall is concavely arranged at a position corresponding to the convex block to form the concave part.

4. The electrical connector of claim 3, wherein: the upper wall of the shielding shell is punched from the inner wall surface to the outer wall surface to form the convex block, and the inner wall surface of the upper wall is concavely arranged at the position corresponding to the convex block to form the concave part.

5. The electrical connector of claim 3, wherein: the connecting part between the concave part and the inner wall surface is a gradually contracted guide arc surface.

6. The electrical connector of claim 1, wherein: the waterproof ring is assembled in the containing groove from front to back and is clamped by the shielding shell and the shell.

7. The electrical connector of claim 1, wherein: the waterproof ring is formed by pouring liquid silica gel into the accommodating groove and solidifying the liquid silica gel.

8. The electrical connector of claim 1, wherein: the waterproof ring comprises an annular base body accommodated in the accommodating groove, an annular abutting part located at the front end of the base body and abutted against the front end face of the shell, and an annular protruding part formed by extending forwards from the abutting part, and the groove is formed in the base body.

9. The electrical connector of claim 8, wherein: the protruding portion has a circumferential dimension larger than that of the shield case, and an inner surface of the protruding portion is an inclined guide surface constricted from front to rear.

10. The electrical connector of claim 1, wherein: the shell is an insulating shell, the front end of shell is the annular portion that sets up along circumference thickening, the preceding terminal surface of annular portion sets up the annular depressed part that forms backward in the concave, the depressed part with constitute between the outer wall of shielding the casing the storage tank.