CN217823368U

CN217823368U - Power supply connector

Info

Publication number: CN217823368U
Application number: CN202221831649.4U
Authority: CN
Inventors: 郑伟; 包金平; 吴永发; 吴祝平
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2022-07-17
Filing date: 2022-07-17
Publication date: 2022-11-15
Anticipated expiration: 2032-07-17

Abstract

The utility model provides a power supply connector, including insulator, terminal group and metal casing, insulator is equipped with a roof, a diapire, a pair of lateral wall, a front end wall and a rear end wall, and a bayonet socket has been seted up on the surface of front end wall, be equipped with a butt joint portion in the bayonet socket, terminal group is including a pair of power supply terminal and a pair of ground terminal, and power supply terminal and ground terminal are the protruding stretch backward the rear end wall, the rear end edge of roof still are equipped with one and stretch backward and exceed the portion of hiding of rear end wall and lateral wall, the portion of hiding cover in directly over power supply terminal and ground terminal. The utility model discloses an improve insulator's structure, utilize the portion of hiding that extends backward to cover the afterbody of terminal group makes terminal group hide completely in the below of the portion of hiding, avoids the afterbody of terminal group to expose outside insulator to reduced terminal group and other mechanisms (like computer machine case) and taken place lapped possibility, also can reduce the terminal afterbody by the adnexed risk of pollutant.

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 conventional power connector generally adopts a power terminal, a ground terminal and a detection terminal to realize electrical insertion, the power terminal is used for transmitting current, the ground terminal is used for realizing a grounding function, and the tail parts of the power terminal, the ground terminal and the detection terminal protrude backwards and are exposed outside an insulating body. For some light and thin digital products, the internal space is very compact, the space on the PCB is very limited, and the arrangement of each component or mechanism is very compact, so that the tail parts of the power terminal, the grounding terminal and the detection terminal exposed outside face a potential overlapping risk, and particularly, the tail parts are easy to be in overlapping contact with other mechanisms in the installation process, thereby affecting the functions of the products.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the present invention is to provide a power connector to improve the problem in the prior art that the tail of the terminal is exposed and easily connected with other mechanisms.

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 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, a front end wall and a rear end wall, a square inserting port is formed in the surface of the front end wall, a butt-joint part is arranged in the square inserting port, the terminal group comprises a pair of power terminals and a pair of grounding terminals, the power terminals and the grounding terminals protrude out of the rear end wall backwards, a covering part protruding out of the rear end wall and the side walls backwards is further arranged on the rear side edge of the top wall, and the covering part covers over the power terminals and the grounding terminals.

Furthermore, a convex part in snap fit with the metal shell is arranged on the surface of the top wall, and the covering part is higher than the surface of the top wall and higher than the top surface of the metal shell.

Furthermore, a plurality of terminal grooves arranged towards the lower surface of the covering part are formed in the lower surface of the covering part.

Furthermore, the power supply terminal is provided with an L-shaped mounting arm protruding out of the rear end wall backwards, the grounding terminal is provided with an L-shaped welding arm protruding out of the rear end wall backwards, and the L-shaped mounting arm and the L-shaped welding arm are clamped in the terminal groove.

Furthermore, the metal shell is provided with a top cover covering the top wall and a pair of side covers covering the side walls, the rear side edge of the top cover abuts against the covering portion, and the covering portion is exposed out of the top cover.

Furthermore, the side cover is provided with a tearing opening and a welding sheet located above the tearing opening, the welding sheet is arranged in a protruding mode and extends outwards, one end of the welding sheet is integrally connected with the top cover, and the other end of the welding sheet is bent downwards to be connected with a circuit board in a welding mode.

Furthermore, the terminal group also comprises a detection terminal, the detection terminal is positioned between the pair of power terminals, and the detection terminal is provided with a horizontally arranged sheet-shaped body, a pair of clamping arms horizontally extending forwards from the sheet-shaped body and a U-shaped leg part extending backwards from the sheet-shaped body.

Furthermore, the sheet-shaped body is horizontally placed, and a side baffle extending downwards is arranged on the side edge of the sheet-shaped body.

Furthermore, the grounding terminal is provided with a sheet-shaped base and a sheet-shaped elastic arm which is obliquely inclined and extended out from the base, and the base is provided with a lapping arm which protrudes outwards to lap the metal shell.

Compared with the prior art, the utility model discloses an improve insulator's structure, utilize the portion of hiding that extends backward to cover the afterbody of terminal group makes terminal group hide completely in the below of hiding the portion, avoids the afterbody of terminal group to expose outside insulator to reduced terminal group and other mechanisms (like computer machine case) and taken place lapped possibility, also can reduce the terminal afterbody by the adnexed risk of pollutant.

Drawings

Fig. 1 is an installation diagram of the power connector of the present invention.

Fig. 2 is a perspective view of the power connector of the present invention.

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

Fig. 4 is a schematic view of the power connector according to the present invention when the terminal set is inverted.

Fig. 5 is a schematic view of the insulating body and the terminal set of the power connector of the present invention.

Detailed Description

Referring to fig. 1 to 5, the present invention provides a power connector 100 for being soldered to a circuit board 200 and plugged with a pair of connectors (not shown), preferably, the power connector 100 can be a DC power connector 100, such as a DC Jack. The power connector 100 of the present invention includes: the power connector 100 preferably has a sinking plate type structure, that is, a part of the structure of the power connector 100 sinks below the circuit board 200, so as to reduce the height of the whole power connector 100 protruding from the surface of the circuit board 200, and the specific structure of each component is described in detail below.

The insulating body 10 is square, and has 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 protrusion 16 protruding upward is disposed on the surface of the top wall 11 for being snap-fitted with the metal shell 30, and a covering portion 17 protruding rearward beyond the rear end wall 15 is disposed on the rear side edge of the top wall 11, the covering portion 17 protrudes from the top wall 11 and is higher than the protrusion 16 in the vertical direction, the covering portion 17 is integrally connected to the top wall 11, preferably, a terminal groove 18 for accommodating the terminal set 20 is disposed on the lower surface of the covering portion 17, as shown in fig. 5, and the terminal groove 18 can position-limit the tail of the terminal set 20. The outer surface of the side wall 13 is provided with a slot 130 extending from front to back, the slot 130 is arranged near the rear end wall 15 and penetrates through the rear end wall 15 from back to back, and the inner surface of the side wall 13 is provided with a receiving slot 131 extending from front to back. The front end wall 14 is formed by injection molding with the top wall 11, the pair of side walls 13 and the bottom wall 12, a square socket 140 is formed on the surface of the front end wall 14, a docking portion 141 is provided in the square socket 140, the docking portion 141 is located between the pair of side walls 13, a square slot 142 is formed in the docking portion 141, the slot 142 extends in the front-back direction and penetrates the insulation body 10 backwards, and the slot 142 is formed in the center of the docking portion 141. The rear end wall 15 is provided with a plurality of mounting grooves 150 into which the terminal group 20 is inserted, so that the terminal group 20 can be inserted into the insulating body 10 from the rear to the front.

As shown in fig. 4, 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 a mating electrical connector (not shown), wherein: the pair of power terminals 21 are fixed on the docking portion 141 and respectively attached to the left and right sides of the docking portion 141, the power terminals 21 are provided with a sheet-shaped main body portion 210, a plurality of contact arms 211 extending forward from the main body portion 210, and L-shaped mounting arms 212 extending backward from the main body portion 210, the main body portion 210 is vertically arranged, the top edge and the bottom edge of the main body portion 210 are respectively provided with a clamping portion 213 which is clamped and matched with the insulating body 10, the plurality of contact arms 211 are arranged in parallel on the front side edge of the main body portion 210, the L-shaped mounting arms 212 protrude backward out of the rear end wall 15 of the insulating body 10 and are located right below the covering portion 17, and the L-shaped mounting arms 212 are used for being fixed on a circuit board 200.

The pair of ground terminals 22 are fixed on the side wall 13 and are accommodated in the accommodating grooves 131 on the inner wall surface of the side wall 13, the ground terminals 22 are provided with a sheet-shaped base 220, a sheet-shaped elastic arm 221 which is obliquely inclined and extended forwards from the base 220, and an L-shaped welding arm 222 which is extended backwards from the base 220, the base 220 is vertically arranged, the width of the base 220 in the front-back direction is greater than the height of the base 220 in the vertical direction, the base 220 is provided with an overlapping arm 223 which protrudes outwards, and the overlapping arm 223 protrudes outwards and extends into the open groove 130 of the side wall 13 and protrudes outwards and extends out of the open groove 130 to be in overlapping connection with the metal shell 30. The end of the elastic arm 221 is provided with an arc bending part for clamping the electric connector of the butt joint end.

The detecting terminal 23 is fixed in the abutting portion 141 and is accommodated in the square slot 142, and the detecting terminal 23 has a horizontally disposed sheet-like body 230, a pair of holding arms 231 horizontally extending from the sheet-like body 230 forward, and a U-shaped leg 232 extending from the sheet-like body 230 backward. The sheet-like body 230 is horizontally placed, and a side edge of the sheet-like body 230 is provided with a side blocking piece 233 extending downwards. The pair of clamping arms 231 are located in the square slot 142 for clamping the mating end electrical connector. The U-shaped leg portion 232 is used for being fixed to the circuit board 200, and includes a pair of vertical sections V and a horizontal section H, and the horizontal section is received in the terminal groove 18 of the covering portion 17.

The metal shell 30 covers the insulating body 10 and covers the surfaces of the top wall 11, the bottom wall 12 and the side wall 13, 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, the side covers 32 cover the side wall 13, the top cover 31 is provided with an opening 33 matched with the convex block 16 in a buckling mode, and the rear side edge of the top cover 31 abuts against the covering portion 17. The side cover 32 is provided with a tearing hole 34 and a welding sheet 35 positioned above the tearing hole 34, the welding sheet 35 protrudes outwards, one end of the welding sheet 35 is integrally connected with the top cover 31, and the other end of the welding sheet is bent downwards to be connected with the circuit board 200 in a welding mode. The side cover 32 covers the slot 130 of the side wall 13, and the inner surface of the side cover 32 is lap-jointed with the lap-joint arm 223. Meanwhile, the rear side edges 36 of the side covers 32 are arranged straight from top to bottom.

To sum up, the utility model discloses an improve insulator 10's structure, utilize the portion 17 that hides of backward extension to cover the afterbody of terminal group 20 makes terminal group 20 hide completely in the below of portion 17 that hides, avoids terminal group 20's afterbody to expose outside insulator 10 to reduced terminal group 20 and other mechanisms (like computer machine case) and taken place lapped possibility, also can reduce the terminal afterbody by the adnexed risk of pollutant.

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 will be able to make many possible variations and modifications to the technical solution of the present invention without departing from the technical solution of the present invention, and the technical solution of the present invention disclosed above is covered by the claims.

Claims

1. The utility model provides a power connector, includes insulator, accommodates terminal group and the metal casing of cladding on insulator in the insulator, insulator is equipped with a roof, a diapire, a pair of lateral wall, a front end wall and a rear end wall, a square interface has been seted up on the surface of front end wall, be equipped with a butt joint portion in the square interface, terminal group is including a pair of power supply terminal and a pair of ground terminal, power supply terminal and ground terminal are the protruding back end wall that stretches out, its characterized in that: the rear side edge of the top wall is also provided with a covering part which protrudes backwards and exceeds the rear end wall and the side wall, and the covering part covers right above the power supply terminal and the grounding terminal.

2. A power connector as claimed in claim 1, wherein: the surface of the top wall is provided with a convex part which is in snap fit with the metal shell, and the covering part is higher than the surface of the top wall and is also higher than the top surface of the metal shell.

3. A power connector as claimed in claim 2, wherein: the lower surface of the covering part is provided with a plurality of terminal grooves arranged towards the lower surface.

4. A power connector as claimed in claim 3, wherein: the power supply terminal is provided with an L-shaped mounting arm which protrudes backwards out of the rear end wall, the grounding terminal is provided with an L-shaped welding arm which protrudes backwards out of the rear end wall, and the L-shaped mounting arm and the L-shaped welding arm are clamped in the terminal groove.

5. The power connector of claim 4, wherein: the metal shell is provided with a top cover covering the top wall and a pair of side covers covering the side walls, the rear side edge of the top cover abuts against the covering portion, and the covering portion is exposed out of the top cover.

6. The power connector of claim 5, wherein: the side cover is provided with a tearing opening and a welding sheet located above the tearing opening, the welding sheet is arranged in a protruding mode and extends outwards, one end of the welding sheet is integrally connected with the top cover, and the other end of the welding sheet is bent downwards to be connected with a circuit board in a welding mode.

7. The power connector of claim 6, wherein: the terminal group also comprises a detection terminal which is positioned between the pair of power terminals and is provided with a horizontally arranged flaky body, a pair of clamping arms horizontally extending forwards from the flaky body and a U-shaped leg part extending backwards from the flaky body.

8. The power connector of claim 7, wherein: the flaky body is horizontally placed, and a side baffle extending downwards is arranged on the side edge of the flaky body.

9. A supply connector as claimed in any one of claims 1 to 8, wherein: the grounding terminal is provided with a sheet-shaped base part and a sheet-shaped elastic arm which is inclined forwards and extends out from the base part, and the base part is provided with a lapping arm which protrudes outwards to be lapped with the metal shell.