CN211456076U

CN211456076U - Electrical connector

Info

Publication number: CN211456076U
Application number: CN201922182608.1U
Authority: CN
Inventors: 吴小祥; 徐寅超; 朱建矿
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-09-08
Anticipated expiration: 2029-12-07

Abstract

An electrical connector comprises an insulating body, a terminal fixed on the insulating body, and a first metal shell and a second metal shell which coat the insulating body. The first metal shell comprises a main plate part and a first additional part which cover the first side wall of the insulating body, the second metal shell comprises a main plate part and a second additional part which cover the second side wall of the insulating body, and the first additional part and the second additional part are matched with each other to form magnet accommodating cavities which are respectively positioned on the outer sides of the end walls. The first side wall is provided with two fixing parts at the abutting joint position adjacent to the insulating body, the fixing parts are in an inverted L shape when viewed from front to back, the opening faces one side of the corresponding end wall, and the main plate part of the first metal shell is provided with a notch penetrating forwards and a lug positioned in the notch. The first metal shell is assembled into the first side wall from back to front, the lug is inserted into the corresponding holding part, and the notch penetrates through the holding part. The fixing piece of the first metal shell is inserted into the L-shaped fixing part, so that the problem of metal shell expansion can be solved.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electric connector, it has metal casing.

[ background of the invention ]

Chinese utility model patent publication No. CN208299135U discloses an electric connector, it includes insulator, a plurality of conductive terminals that are fixed in insulator, cladding in insulator's metal casing and be fixed in metal casing's magnetic part, insulator is including the butt joint chamber that runs through forward and encircleing the first lateral wall, the second lateral wall and the two end walls of connecting first, the second lateral wall of butt joint chamber, a plurality of conductive terminals are installed respectively in first lateral wall and second lateral wall, each conductive terminal be equipped with protruding stretch in the contact site of butt joint intracavity, metal casing is equipped with and is used for acceping the holding chamber that magnetic part and formed, the magnetic part with metal casing passes through welded fastening together. So set up, magnetic part and metal casing firm in connection just can further increase magnetic part volume. There is still room for improvement in the actual assembly process, particularly when automated assembly is used.

Therefore, there is a need for a retrofit for existing electrical connectors to overcome the above-mentioned deficiencies.

[ Utility model ] content

An object of the utility model is to provide an electric connector, it has improved metal casing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric connector comprises an insulating body, a terminal fixed on the insulating body, and a first metal shell and a second metal shell which cover the insulating body, wherein the insulating body is provided with a first side wall and a second side wall which are opposite, two end walls connected with the first side wall and the second side wall, and a butt joint surface positioned at the front end; the first side wall is provided with two fixing parts at the position adjacent to the butt joint surface, the fixing parts are inverted L-shaped when viewed from front to back, the opening faces one side of the corresponding end wall, the main plate part of the first metal shell is provided with a notch penetrating forwards and a lug positioned in the notch, the first metal shell is assembled into the first side wall from back to front, the lug is inserted into the corresponding fixing part, and the notch penetrates through the fixing parts.

This mutually with prior art, the utility model discloses following beneficial effect has: the fixing piece of the first metal shell is inserted into the L-shaped fixing part, so that the problem of outward expansion of the metal shell can be solved.

[ description of the drawings ]

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

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

Fig. 3 is a further exploded perspective view from another angle of fig. 2, wherein the magnet is not shown.

Fig. 4 is a perspective view of fig. 3 from another angle.

Fig. 5 is a further exploded perspective view of fig. 4.

Fig. 6 is a cross-sectional view of fig. 1 taken along the dashed line a-a.

Fig. 7 is a perspective view of fig. 1 taken along the dashed line B-B.

Fig. 8 is a perspective view of the insulating body, the terminal and the metal plate in fig. 1.

[ detailed description ] embodiments

The utility model relates to a docking electric connector, it installs magnet to increase the fixing power after the butt joint. In a specific implementation, referring to fig. 1 to 5, the electrical connector 100 includes an insulating body 10, a terminal 20 fixed to the insulating body, a first metal shell 30 and a second metal shell 40 covering the insulating body, and a pair of magnets 50. Referring to fig. 5 and 2, the insulating housing 10 has a first side wall 11 and a second side wall 12 opposite to each other, two end walls 13 connecting the first side wall and the second side wall, and a butting face 110 at a front end. The first metal shell 30 includes a main plate portion 31 and a first additional portion 32 covering the first side wall 11, the second metal shell 40 includes a main plate portion 41 and a second additional portion 42 covering the second side wall 12, and the first and second

additional portions

32, 42 are engaged with each other to form a magnet accommodating cavity 301 respectively located outside the end wall 13.

Referring to fig. 3, the first side wall 11 is provided with two holding portions 14 adjacent to the abutting surface 110, when viewed from front to back, the holding portions 14 are inverted L-shaped, the openings of the inverted L-shaped portions face the corresponding side walls 13, the main plate portion 31 of the first metal shell 30 is provided with a notch 341 passing through forward and a tab 342 located in the notch, the first metal shell 30 is assembled into the first side wall 11 from back to front, the tab 342 is inserted into the corresponding holding portion 14, the notch 341 passes through the holding portion 14, so that the spacing between the holding portion 14 and the notch 341 is performed in the transverse direction, the main plate portion 31 is prevented from expanding outward, the problem of expanding outward of the first metal shell is improved, and the engagement between the tab 342 and the holding portion 14 also helps the guiding function during the assembly process. The holding portion 14 includes a vertical portion 141 and a horizontal portion 142, a first sub-gap 3411 is formed between an inner edge of the gap 341 and one side of the tab 342, and a second sub-gap 3412 is formed between the other side of the tab 342 and the other inner edge of the gap. Referring to fig. 7, when viewed from top to bottom, the first sub-notch 3411 is clamped on the vertical portion 141, the second sub-notch 3412 is located outside the holding portion 14, and a transverse dimension of the second sub-notch 3412 is smaller than a first dimension of the first sub-notch 3411. The inner side surface of the vertical part 141 and the main body part 31 are limited with each other, so that the first metal shell 31 cannot be flared, the flaring problem is improved, the outer side surface of the vertical part 141 and the protruding piece 342 are separated by a small gap (shown in fig. 7), a certain offset allowance is reserved for the assembling process, and the assembling process is improved. The tabs 342 are recessed with respect to the main plate portion 31, also to help improve the assembly process. The front end surface of the holding portion 14 is flush with the abutting surface 110, and the abutting surface is an inclined surface having a long top and a short bottom.

The second metal shell 40 is provided with fixing pieces 43 at both ends of the main plate portion 41, respectively, the fixing pieces 43 are located near the abutting surface 110, and the fixing pieces 43 are inserted into and fixed to fixing holes 121 provided in the insulating body, as shown in fig. 6. The fixing pieces 43 are formed by tearing from the front end portion of the second additional portion 42, and in another embodiment, the fixing pieces 43 may be formed by bending from both ends of the main plate portion 41, and the fixing pieces are located in front of the second additional portion 42 and spaced apart from each other.

The second surplus portion 42 is horizontally extended, and the first surplus portion 32 is bent in three pieces and its free end is crimped to the second surplus portion 42, and both of them are joined together by spot welding.

In a specific embodiment, referring to fig. 8, the electrical connector 100 includes two rows of terminals 20 and a metal plate 21 located between the two rows of terminals, the insulation body is provided with a docking cavity penetrating the docking surface 110 forward, the two rows of terminals 20 are respectively arranged on two inner sides of the docking cavity, referring to fig. 5, the metal plate 21 has a back plate 211 extending out of the insulation body 10, two ends of the back plate are respectively provided with a wing portion 212, two ends of the first and

second metal shells

30 and 40 are respectively extended with

wing portions

35 and 45 at two ends of a main plate portion thereof, and the

wing portions

35, 212 and 45 of the first metal shell, the metal plate, and the second metal shell are stacked together and welded together by spot welding. The second side wall 12 is provided with a protruding positioning column 123, and the second metal 40 is provided with a positioning hole 413 matched with the positioning column.

In summary, the above is merely a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby. All the equivalent changes and modifications made in the claims and the specification of the present invention should be covered by the present invention.

Claims

1. An electric connector comprises an insulating body, a terminal fixed on the insulating body, a first metal shell and a second metal shell covering the insulating body, wherein the insulating body is provided with a first side wall, a second side wall, two end walls and a butt joint surface, the first side wall and the second side wall are opposite, the two end walls are connected with the first side wall and the second side wall, the butt joint surface is positioned at the front end, the first metal shell comprises a main plate part and a first additional part, the main plate part and the second additional part cover the first side wall, and the first additional part and the second additional part are matched with each other to form magnet accommodating cavities respectively positioned at the outer sides of the end walls; the method is characterized in that: the first side wall is provided with two holding parts at the position adjacent to the butt joint surface, the holding parts are inverted L-shaped when viewed from front to back, the openings of the inverted L-shaped holding parts face one side of the corresponding end wall, the main plate part of the first metal shell is provided with a notch penetrating forwards and a lug positioned in the notch, the first metal shell is assembled into the first side wall from back to front, the lug is inserted into the corresponding holding part, and the notch penetrates through the holding parts.

2. The electrical connector of claim 1, wherein: the fixing part comprises a vertical part and a horizontal part, a first sub-gap is formed between the inner edge of the gap and one side edge of the protruding piece, the first sub-gap is clamped on the vertical part, a second sub-gap is formed between the other side edge of the protruding piece and the other inner edge of the gap, and the second sub-gap is positioned on the outer side of the fixing part when viewed from top to bottom.

3. The electrical connector of claim 2, wherein: the transverse dimension of the second sub-gap is smaller than that of the first sub-gap.

4. The electrical connector of claim 1, wherein: the front end surface of the holding part and the butt joint surface are flush with each other, and the lug is retracted backwards compared with the main plate part of the first metal shell.

5. The electrical connector of claim 1, wherein: the second metal shell is provided with the stationary blade respectively at the both ends of its main board portion, the stationary blade is close to butt joint face department, the stationary blade inserts the fixed orifices that insulating body was provided with and fixes.

6. The electrical connector of claim 5, wherein: the fixing piece may be formed by bending from both ends of the main plate portion or by tearing from a tip portion of the second additional portion.

7. The electrical connector of claim 6, wherein: the fixing piece is positioned in front of the second additional part and the two fixing pieces are spaced from each other.

8. The electrical connector of claim 7, wherein: the second additional part is horizontally extended, the first additional part is three-section bent, the free tail end of the first additional part is in press joint with the second additional part, and the first additional part and the second additional part are connected together through spot welding.

9. The electrical connector of claim 1, wherein: the second side wall is provided with a protruding positioning column, and the second metal shell is provided with a positioning hole matched with the positioning column.

10. The electrical connector of claim 2, wherein: the fixing part comprises a vertical part and a horizontal part, the inner side surface of the vertical part and the main plate part of the first metal shell are mutually limited, and a certain gap is formed between the outer side surface of the vertical part and the protruding piece.