CN211045832U

CN211045832U - Power plug connector

Info

Publication number: CN211045832U
Application number: CN201921789985.5U
Authority: CN
Inventors: 赵霞; 吴永发; 包金平; 姚宏江; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-17
Anticipated expiration: 2029-10-23

Abstract

The utility model provides a power plug connector, include the plug body and accept in this internal plug terminal of plug, the plug body is equipped with the basal portion and is located the tip at basal portion both ends, the tip is protruding to stretch backward and is surpassed the basal portion, thereby be formed with the notch between basal portion and the tip, be equipped with in the notch and shelter from forward from the back shroud of plug terminal. Compared with the prior art, the utility model discloses a set up the back shroud at the rear side of plug body, utilize the back shroud to cover the rear of plug terminal to prevent to arouse the short circuit on the circuit board because of cutting remaining wire overlap joint on the plug terminal, improved electric connection's stability and reliability greatly, also can play dustproof effect simultaneously, protect the plug terminal to avoid external pollution or destruction.

Description

Power plug connector

Technical Field

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

Background

With the development trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner day by day, the internal space of the consumer electronic products is very narrow, so that the requirement that the internal parts of the consumer electronic products are required to adopt a dense layout is met, the volume of each electronic part is smaller and thinner, and the requirements on the reliability of the manufacturing process and the connection of the consumer electronic products are higher and higher. For the power connector, its own function and application scenario determine that it must carry a large transmission current, so the reliability of its connection is very important, and if there is a wrong connection relationship between terminals or between terminals and a circuit board, a risk will occur. The existing power connector adopts a thick sheet terminal to carry current, the terminal is easy to generate metal wire residues during cutting and forming and is hung on a cut edge, and the residual metal wires can be overlapped on a circuit board, so that the short circuit risk is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a power plug connector to improve among the prior art terminal rear end mistake overlap joint and arouse the problem of short circuit.

In order to solve the technical problem, the utility model adopts the following technical scheme: a power plug connector comprises a plug body and a plug terminal contained in the plug body, wherein the plug body is provided with a base part and end parts positioned at two ends of the base part, the end parts protrude backwards and exceed the base part, so that a notch is formed between the base part and the end parts, and a rear cover plate which shields the plug terminal from back to front is arranged in the notch.

Furthermore, the rear cover plate is provided with a positioning part protruding forwards and buckling parts protruding towards two sides, and the positioning part protrudes into the base part of the plug body from the inner surface of the rear cover plate.

Furthermore, the buckling parts protrude from two ends of the rear cover plate towards the end part of the plug body.

Further, a positioning hole for accommodating the positioning portion is formed on the rear end surface of the base portion, and the positioning hole penetrates through the notch.

Furthermore, a clamping groove matched with the clamping part is arranged on the inner surface of the end part, the clamping groove is communicated with the notch, and a stopping part is further arranged in the clamping groove.

Furthermore, the plug body is also provided with a guide part which protrudes forwards from the base part, and the guide part is arranged towards one end part.

Further, the positioning hole is located right behind the guide portion.

Furthermore, a plurality of terminal grooves which are communicated in the front and back direction are formed in the base part, and the terminal grooves are communicated with the notches.

Furthermore, the first fixing piece is provided with a U-shaped portion and a leg portion extending downwards from the U-shaped portion, and the U-shaped portion is clamped in the end portion.

Compared with the prior art, the utility model discloses a set up the back shroud at the rear side of plug body, utilize the back shroud to cover the rear of plug terminal to prevent to arouse the short circuit on the circuit board because of cutting remaining wire overlap joint on the plug terminal, improved electric connection's stability and reliability greatly, also can play dustproof effect simultaneously, protect the plug terminal to avoid external pollution or destruction.

Drawings

Fig. 1 is a perspective view of the power plug connector and the power socket connector of the mating end before plugging.

Fig. 2 is a bottom schematic view of the power plug connector of the present invention.

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

Fig. 4 is a bottom view of the power plug connector of the present invention.

Fig. 5 is an exploded perspective view of the power receptacle connector of the present invention.

Fig. 6 is a schematic view illustrating the second fixing member of the power socket connector of the present invention cooperating with the socket body.

Detailed Description

Referring to fig. 1 to 6, the present invention provides a power connector assembly, which includes a power plug connector 100 and a power socket connector 200, wherein the power plug connector 100 and the power socket connector 200 are plugged into each other to achieve electrical conduction, and the power plug connector 100 and the power socket connector 200 are respectively welded on circuit boards, so that the two connectors can be plugged into each other to establish electrical connection between two circuit boards.

The power plug connector 100 includes a plug body 10, a plug terminal 20 accommodated in the plug body 10, and a first fixing member 30 fixed to two ends of the plug body 10, wherein the plug body 10 is elongated and includes a base portion 11, end portions 12 located at two ends of the base portion 11, and guide portions 13 protruding forward from the base portion 11, the base portion 11 is provided with a plurality of front and rear through terminal grooves 14, the terminal grooves 14 are used for accommodating the plug terminal 20, the end portion 12 is provided with fixing grooves 15 for retaining the first fixing member 30, and the end portions 12 protrude rearward beyond the base portion 11, so that a notch 16 is formed between the base portion 11 and the end portions 12, the terminal grooves 14 are communicated with the notch 16, so that the plug terminal 20 is inserted into the terminal grooves 14 through the notch 16, the guide portions 13 are square columns protruding out of a front end face of the base portion 11, and the guide portions 13 are disposed toward one of the end portions 12, that the guide portions 13 are not located at a central position of the base portion 11, the plug terminal 20 is in a contact shape, a contact mounting portion L is provided in the plug body, and a contact portion 22 is extended from a lower end face of the plug terminal mounting portion 22 and a contact portion 22 is provided in the plug terminal mounting portion 22, and a contact portion 32 is extended downward from a lower end face of the plug terminal mounting portion 22 of the plug terminal 20, and a contact portion 22 is provided in the plug mounting portion 32, and a contact portion 32, which is extended from the plug terminal mounting portion 22 is provided in the plug terminal mounting portion 22, and a contact portion 32 is extended downward from a lower portion 32 of the plug terminal mounting portion 20.

It is worth mentioning, plug connector 100 still includes a back shroud 40, back shroud 40 accept in the notch 16 of basal portion 11 rear side for shelter from the rear side of plug terminal 20, can play dustproof effect on the one hand, protect plug terminal 20 and avoid external pollution or destroy, on the other hand also can prevent to arouse the short circuit because of cutting remaining wire overlap joint to the circuit board on plug terminal 20, has improved electric connection's stability and reliability greatly. In addition, for better matching with the plug body 10, the back cover plate 40 is provided with a positioning part 41 protruding forwards and a buckling part 42 protruding to both sides, the positioning part 41 protrudes from the inner surface of the rear cover 40 toward the base 11 of the plug body 10, the locking portions 42 protrude from both ends of the rear cover plate 40 toward the end portion 12 of the plug body 10, of course, in order to meet the installation requirement of the rear cover plate 40, the positioning hole 17 for accommodating the positioning portion 41 is provided on the rear end surface of the base portion 11 of the present invention, the positioning hole 17 is disposed corresponding to the guiding portion 13 and penetrates the notch 16, so that the guiding portion 13 can be inserted through the notch 16, and a clamping groove 18 matched with the clamping part 42 is arranged on the inner surface of the end part 12, the clamping groove 18 is communicated with the notch 16, and a stopping part 19 is arranged in the clamping groove 18 to prevent the clamping part 42 from being separated from the clamping groove 18. Through such structural design, back shroud 40 can be in the same place with the fine fixing of plug body 10 to the realization is to the guard action of plug terminal 20 rear end.

As shown in fig. 5 and 6, the power socket connector 200 includes a socket body 210, socket terminals 220 installed in the socket body 210, and second fixing members 230 installed at two ends of the socket body 210, wherein a plurality of terminal slots 211 are formed in the socket body 210 for receiving the socket terminals 220, two ends of the socket body 210 protrude outward to form a pair of supporting portions 240, a thickness of the supporting portions 240 is smaller than a thickness of the socket body 210, a top surface of the supporting portions 240 is lower than a top surface of the socket body 210, a bottom surface of the supporting portions 240 is higher than a bottom surface of the socket body 210, that is, the supporting portions 240 are located between the top surface and the bottom surface of the socket body 210, and a thickness of the supporting portions 240 is smaller than a thickness of the socket body 210. In addition, a slot 241 is formed between the supporting portion 240 and the socket body 210, a supporting plate 242 and a through groove 243 located at one side of the supporting plate 242 are disposed on the supporting portion 240, the supporting plate 242 is used for receiving the second fixing element 230, the through groove 243 is used for the second fixing element 230 to pass through, the supporting plate 242 is located between the slot 241 and the through groove 243, the supporting plate 242 and the socket body 210 are integrally formed, and the top surface of the supporting plate 242 is lower than the top surface of the supporting portion 240.

It is worth mentioning that the second fixing member 230 of the socket connector 200 is an inverted U-shaped structure, and it is equipped with the card and holds in inner arm 231 in the slot 241, the card hold in run through the outer arm 232 in the groove 243 and connect the linking arm 233 of inner arm 231 and outer arm 232, the linking arm 233 set up in on the loading board 242, wherein, the outer arm 232 extends downwards run through the groove 243 for the welding is on the circuit board. The utility model discloses a second mounting 230 of this kind of type of falling U, applicable in the power socket connector 200 of low height or the power socket connector 200 of "heavy board type" (the part sinks the connector of circuit board below promptly, and it can reduce the protruding height of connector at the circuit board upper surface).

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 plug connector comprises a plug body and a plug terminal contained in the plug body, wherein the plug body is provided with a base part and end parts positioned at two ends of the base part, and the power plug connector is characterized in that the end parts protrude backwards to exceed the base part, so that a notch is formed between the base part and the end parts, and a rear cover plate which shields the plug terminal from back to front is arranged in the notch.

2. A power plug connector according to claim 1, wherein: the rear cover plate is provided with a positioning part protruding forwards and buckling parts protruding towards two sides, and the positioning part protrudes into the base part of the plug body from the inner surface of the rear cover plate.

3. A power plug connector according to claim 2, wherein: the buckling parts protrude from the two ends of the rear cover plate towards the end part of the plug body.

4. A power plug connector according to claim 3, wherein: the rear end face of the base is provided with a positioning hole for accommodating the positioning part, and the positioning hole penetrates through the notch.

5. A power plug connector as recited in claim 4, wherein: the inner surface of the end part is provided with a clamping groove matched with the clamping part, the clamping groove is communicated with the notch, and a stopping part is further arranged in the clamping groove.

6. A power plug connector as recited in claim 5, wherein: the plug body is also provided with a guide part which protrudes forwards from the base part, and the guide part is arranged towards one end part.

7. A power plug connector as recited in claim 6, wherein: the positioning hole is located right behind the guide part.

8. A power plug connector as recited in claim 7, wherein: the base is provided with a plurality of front and back through terminal grooves which are communicated with the notches.