CN218300367U

CN218300367U - Power supply connector

Info

Publication number: CN218300367U
Application number: CN202222406230.0U
Authority: CN
Inventors: 吴永发; 吴祝平; 毛玉华
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2022-09-12
Filing date: 2022-09-12
Publication date: 2023-01-13
Anticipated expiration: 2032-09-12

Abstract

The utility model provides a power connector, which comprises an insulating body, a terminal group and a metal shell, wherein the insulating body is provided with a top wall, a bottom wall, a side wall and a front end wall, the surface of the front end wall is provided with a square socket, the metal shell is provided with a top cover covering the top wall, a side cover covering the side wall and a front end cover covering the front end wall; the front end cover surrounds the square insertion port, the top edge of the front end cover is integrally connected with the top cover, the side edge of the front end cover is bent backwards to form a pair of lateral folding pieces covering the side wall, and the bottom edge of the front end cover is bent backwards to form a bottom folding piece covering the bottom wall. The utility model discloses an improve metal casing's structure, utilize the front end housing cover in order to shelter from insulator in its inboard around square interface, play the guard action, and front end housing integrated into one piece in metal casing is last, and non-welding equipment forms, has better structural stability, has avoided the risk that drops, has also removed the trouble of equipment from.

Description

Power supply connector

Technical Field

The utility model relates to an electric connection field especially relates to a power connector.

Background

The power connector is a device commonly used in electronic equipment nowadays, and is often used on equipment such as notebook computers and servers, and most of the current electronic products are equipped with a direct current power connector which is mainly used for transmitting direct current, for example, a DC Jack type power connector on a notebook computer has high requirements on the reliability of the power connector due to frequent plugging and unplugging, and cannot provide stable power input easily if the connection is loose or the plugging is not in place. The existing power connector usually adopts an insulating body, and a power terminal, a grounding terminal and a detecting terminal which are accommodated in the insulating body to realize electrical insertion, wherein the power terminal is used for transmitting current, the grounding terminal is used for realizing a grounding function, and the tail parts of the power terminal, the grounding terminal and the detecting terminal are protruded backwards and exposed outside the insulating body.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the present invention is to provide a power connector to improve the problem of the prior art that the insulating body is easily damaged.

In order to solve the technical problem, the utility model adopts the following technical scheme: a power connector comprises an insulating body, a terminal group accommodated in the insulating body and a metal shell coated on the insulating body, wherein the insulating body is provided with a top wall, a bottom wall, a pair of side walls and a front end wall; the front end cover surrounds the square insertion port, the top edge of the front end cover is integrally connected with the top cover, the side edge of the front end cover is bent backwards to form a pair of lateral folding pieces covering the side wall, and the bottom edge of the front end cover is bent backwards to form a bottom side folding piece covering the bottom wall.

Further, the side wall of the insulating body is covered by the side cover and the lateral folding piece together, and the side cover and the lateral folding piece are not overlapped and overlapped.

Furthermore, a buckle convex part matched with the bottom side folding piece in a buckle mode is arranged on the bottom wall of the insulating body, the bottom side folding piece only covers part of the surface of the bottom wall, and the bottom side folding piece is distributed on the front side edge of the bottom wall.

Furthermore, a limit notch is formed on the bottom side folding piece, and a limit convex part clamped in the limit notch is formed on the bottom wall of the insulating body.

Further, the side cover is provided with a pair of welding tabs extending downwardly beyond the bottom wall, the welding tabs being located on the rear side of the lateral flaps.

Further, the front end wall of the insulating body is completely shielded from the rear side of the front end cover.

Furthermore, the surface of the top wall is provided with a convex block protruding upwards and a pair of slots positioned at two sides of the convex block, and the slots are parallel to each other and penetrate through the top wall downwards.

Furthermore, a containing groove extending in the front-back direction is formed in the inner wall surface of the side wall, the terminal group comprises a pair of grounding terminals contained in the containing groove, and the grounding terminals are in a sheet shape.

Compared with the prior art, the utility model discloses an improve metal casing's structure, utilize the front end housing to cover in the periphery all around of square interface to shelter from insulator in its inboard, played the effect of protection insulator, also strengthened metal casing's intensity simultaneously and with insulator's cohesion, just front end housing integrated into one piece in on the metal casing, rather than welding the equipment and form, have better structural stability, avoided the risk that drops, also removed the trouble of equipment from.

Drawings

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

Fig. 2 is a perspective view of the power connector of the present invention with its bottom surface facing upward.

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

Detailed Description

Referring to fig. 1-3, the present invention provides a power connector 100 for soldering to a circuit board and plugging with a pair of connectors (not shown), preferably, the power connector 100 can be a DC power connector 100, such as DC Jack. The utility model discloses a power connector 100 includes: the terminal module comprises an insulating body 10, a terminal group 20 accommodated in the insulating body 10, and a metal shell 30 covering the surface of the insulating body 10.

The insulating body 10 is square and is provided with a top wall 11, a bottom wall 12, a pair of side walls 13, a front end wall 14 and a rear end wall 15, wherein a protruding block 16 protruding upwards and a pair of slots 17 located at two sides of the protruding block 16 are arranged on the surface of the top wall 11, the protruding block 16 is used for being in snap fit with the metal shell 30, and the slots 17 penetrate through the top wall 11 downwards and are used for accommodating the elastic pieces 34 on the metal shell 30. A storage groove 131 extending in the front-rear direction is formed in the inner wall surface of the side wall 13. The front end wall 14, the top wall 11, the pair of side walls 13 and the bottom wall 12 are integrally injection-molded, a square socket 140 is formed on the surface of the front end wall 14, a docking portion 141 is arranged in the square socket 140, the docking portion 141 is located between the pair of side walls 13 and is arranged in the middle, a square slot 142 is formed in the docking portion 141, the slot 142 extends in the front-back direction and penetrates through the insulation body 10 backwards, and the slot 142 is formed in the center of the docking portion 141.

As shown in fig. 3, the terminal set 20 includes a pair of power terminals 21, a pair of ground terminals 22 and a detection terminal 23, which are fixed in the insulating body 10 for electrically connecting with an electrical connector (not shown) of a mating terminal, wherein: the pair of power terminals 21 are fixed to the docking portion 141 and respectively abut on the left and right sides of the docking portion 141. The pair of ground terminals 22 are fixed to the side wall 13 and are accommodated in the accommodating grooves 131 on the inner wall surface of the side wall 13, and the ground terminals 22 are sheet-shaped and have no openings on the surface thereof. The detection terminal 23 is fixed in the abutting portion 141 and is accommodated in the square slot 142.

The metal shell 30 is wrapped on the insulating body 10 and covers the surfaces of the top wall 11, the bottom wall 12, the side walls 13 and the front end wall 14, and the metal shell 30 is provided with a top cover 31 and a pair of side covers 32. The top cover 31 covers the top wall 11, and the top cover 31 is provided with an opening 33 in snap fit with the bump 16 and a pair of elastic sheets 34 protruding downwards into the slot 17. The side cover 32 covers the side wall 13, and a pair of welding sheets 35 protruding downwards to exceed the bottom wall 12 are arranged on the side cover 32 to be connected with a circuit board in a welding mode.

In the preferred embodiment of the present invention, the metal shell 30 is further provided with a front end cover 36, which is integrally formed with the top cover 31 and the side cover 32 by stamping, and integrally connected to each other, and the front end cover 36 covers the front end wall 14 of the insulating body 10 for shielding and protecting the front end wall 14, the front end cover 36 only shields and covers the front end wall 14, but does not cover the square insertion port 140, so as to avoid affecting the insertion, preferably, the side of the front end cover 36 is bent backwards to form a pair of lateral folding pieces 361, the bottom of the front end cover 36 is bent backwards to form a bottom side folding piece 362, the lateral folding pieces 361 shield on the side wall 13 of the insulating body 10, so that the side wall 13 is covered by the lateral folding pieces 361 and the side cover 32, and the lateral folding pieces 361 and the side cover 32 do not overlap each other, and do not overlap each other. The bottom side flap 362 covers the bottom wall 12 of the insulating body 10 and is in snap fit with the snap protrusions 121 on the bottom wall 12, and the bottom side flap 362 is further provided with a limiting recess 363 for being in snap fit with the limiting protrusion 122 on the bottom wall 12, as shown in fig. 2. The lateral folding piece 361 and the bottom folding piece 362 are formed by bending and extending backwards from the edge of the front end cover 36, so that the front end cover 36 can surround the periphery of the square socket 140 in all directions, meanwhile, the top edge of the front end cover 36 is integrally connected with the top cover 32, and the bottom edge of the front end cover 36 is in snap fit with the bottom wall 12, so that the connection between the front end cover 36 and the insulation body 10 is strengthened, and the front end cover 36, the top cover 31 and the side cover 32 are of an integral punch forming structure, so that a protective shell can be formed around the square socket 140 without independent die sinking, manufacturing and installation, the insulation body 10 is prevented from being damaged, and the manufacturing process is simplified.

To sum up, the utility model discloses an improve metal casing 30's structure, utilize front end housing 36 to cover in square interface 140 the periphery all around to shelter from insulator 10 in its inboard, played the effect of protection insulator 10, also strengthened metal casing 30's intensity simultaneously and with insulator 10's cohesion, just front end housing 36 integrated into one piece in on the metal casing 30, rather than the welding equipment forms, has better structural stability, has avoided the risk that drops, has also removed the trouble of equipment from.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. A power connector comprises an insulating body, a terminal group contained in the insulating body and a metal shell coated on the insulating body, wherein the insulating body is provided with a top wall, a bottom wall, a pair of side walls and a front end wall, and a square socket is arranged on the surface of the front end wall, and the power connector is characterized in that: the metal shell is provided with a top cover covering the top wall, side covers covering the side walls and a front end cover covering the front end wall; the front end cover surrounds the square insertion port, the top edge of the front end cover is integrally connected with the top cover, the side edge of the front end cover is bent backwards to form a pair of lateral folding pieces covering the side wall, and the bottom edge of the front end cover is bent backwards to form a bottom side folding piece covering the bottom wall.

2. The power connector of claim 1, wherein: the side wall of the insulating body is covered by the side cover and the lateral folding piece together, and the side cover and the lateral folding piece are not overlapped and overlapped.

3. The power connector of claim 2, wherein: the bottom wall of the insulating body is provided with a buckling convex part which is buckled and matched with the bottom side folding piece, the bottom side folding piece only covers part of the surface of the bottom wall, and the bottom side folding piece is distributed on the front side edge of the bottom wall.

4. A power connector as claimed in claim 3, wherein: a limiting notch is formed on the bottom side folding piece, and a limiting convex part clamped in the limiting notch is formed on the bottom wall of the insulating body.

5. The power connector of claim 4, wherein: the side cover is provided with a pair of welding sheets which extend downwards to exceed the bottom wall, and the welding sheets are positioned at the rear side of the lateral folding sheet.

6. The power connector of claim 5, wherein: the front end wall of the insulating body is completely shielded from the rear side of the front end cover.

7. A supply connector as claimed in any one of claims 1 to 6, wherein: the surface of the top wall is provided with a convex block protruding upwards and a pair of open grooves positioned at two sides of the convex block, and the pair of open grooves are parallel to each other and penetrate through the top wall downwards.

8. The power connector of claim 7, wherein: the inner wall surface of the side wall is provided with a containing groove extending in the front-back direction, the terminal group comprises a pair of grounding terminals contained in the containing groove, and the grounding terminals are in a sheet shape.