CN221102498U - Power connector - Google Patents
Power connector Download PDFInfo
- Publication number
- CN221102498U CN221102498U CN202322658532.1U CN202322658532U CN221102498U CN 221102498 U CN221102498 U CN 221102498U CN 202322658532 U CN202322658532 U CN 202322658532U CN 221102498 U CN221102498 U CN 221102498U
- Authority
- CN
- China
- Prior art keywords
- pair
- butt joint
- joint part
- power connector
- insulating body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 32
- 210000001503 joint Anatomy 0.000 claims abstract description 30
- 239000012212 insulator Substances 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model provides a power connector, which comprises an insulating body, a terminal group accommodated in the insulating body, and a metal shell covered on the periphery of the insulating body, wherein the terminal group comprises a signal terminal, a pair of power terminals positioned on two sides of the signal terminal, and a pair of grounding terminals positioned on the outer side of the power terminals, the insulating body is provided with a rear end wall, a pair of side walls extending forwards from two ends of the rear end wall integrally, and a pair of butt joint parts positioned between the pair of side walls, and the insulating body is hollowed on the upper side and the lower side of the butt joint parts so that the upper surface and the lower surface of the butt joint parts directly face the metal shell. According to the utility model, the arrangement of the top wall and the bottom wall is canceled by optimizing the structure of the insulating body, so that the upper side and the lower side of the butt joint part directly face the metal shell, the height of the insulating body is reduced, the overall height of the power connector is reduced, and the application requirement of light and thin power connector is met.
Description
Technical Field
The present disclosure relates to electrical connectors, and particularly to a power connector.
Background
With the development trend of miniaturization, thinness and thinness of consumer electronic products such as notebooks, tablet computers and mobile phones, the requirements on the design and manufacturing process of parts of the products are higher, and as the products are increasingly thinner and thinner, the internal space of the products is also very narrow, so that the internal space of the products is required to be densely distributed, the volumes of the electronic parts are also smaller and lighter, and the requirements on the manufacturing process and the reliability of product connection are higher. Taking a power connector as an example, the power connector is a device commonly adopted in electronic equipment nowadays, especially in notebook computers, servers and other equipment, most of electronic products are currently equipped with a direct current power connector, which is mainly used for conveying direct current, such as a DC Jack type power connector on a notebook computer, the existing power connector generally comprises a metal shell, an insulating body wrapped in the metal shell, a power terminal, a grounding terminal and a signal terminal, 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 signal terminal protrude backwards and are exposed outside the insulating body. For some light and thin digital products, the internal space is very compact, the volume of the power connector must be designed to be very small and light, and how to reduce the height of the power connector has become an important technical problem for light and thin design.
Disclosure of utility model
The technical problem to be solved by the utility model is to provide a power connector which is used for reducing the height of a product so as to meet the application requirement of light weight and thinness.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a power connector, includes the insulator, holds in the terminal group of insulator, cover in the metal casing around the insulator, the terminal group includes a signal terminal, a pair of power terminal that is located signal terminal both sides, a pair of ground connection terminal that is located the power terminal outside, the insulator is equipped with a back end wall, a pair of lateral wall that extends from the both ends of back end wall forward an organic whole, is located a pair of butt joint portion between the lateral wall, the insulator is in the upper and lower both sides of butt joint portion are the fretwork setting, so that the upper and lower surface of butt joint portion is direct to the metal casing.
Further, the pair of side walls and the abutting portion are integrally extended forward from the rear end wall, the extending directions of the side walls and the abutting portion are parallel to each other, the extending length of the abutting portion is smaller than that of the side walls, and the rear end wall, the pair of side walls and the abutting portion jointly form a mountain-shaped structure.
Further, the top surface of the rear end wall is provided with a pair of grooves, the grooves extend in the front-rear direction and penetrate through the front-rear surface of the rear end wall, the pair of grooves are located on the inner sides of the pair of side walls, the metal shell is provided with a pair of elastic pieces protruding downwards, and the elastic pieces correspond to the grooves in the front-rear direction.
Further, the insulating body is further provided with a pair of clamping grooves extending vertically, and the clamping grooves are formed on the outer surface of the rear end wall or the outer surfaces of the pair of side walls; the metal shell is provided with a clamping piece protruding inwards, and the clamping piece extends from front to back and is clamped in the clamping groove.
Further, the thickness of the abutting portion in the vertical direction is smaller than the thicknesses of the side wall and the rear end wall, and a rectangular slot for accommodating the signal terminal is formed in the front end face of the abutting portion.
Further, the pair of power terminals are distributed on two sides of the butt joint part, protruding stop blocks are formed on two side surfaces of the butt joint part, and a space for accommodating the power terminals is formed on the rear side of each stop block.
Further, the metal shell is provided with a top cover, a bottom cover and a pair of side covers, and the clamping piece is formed on the side covers.
Further, the top cover directly faces the upper surface of the butt joint part, the bottom cover directly faces the lower surface of the butt joint part, and the pair of side walls of the insulating body, the top cover and the bottom cover of the metal shell jointly form a plug-in cavity.
According to the power connector, the arrangement of the top wall and the bottom wall is omitted by optimizing the structure of the insulating body, so that the upper side and the lower side of the butt joint part directly face the metal shell, the height of the insulating body is reduced, the overall height of the power connector is reduced, and the application requirement of lightening and thinning is met.
Drawings
Fig. 1 is a perspective view of a power connector according to the present utility model.
Fig. 2 is an exploded view of the power connector of the present utility model.
Fig. 3 is a perspective view of an insulation body of the power connector according to the present utility model.
Fig. 4 is a perspective view of a metal housing of the power connector according to the present utility model.
Detailed Description
Referring to fig. 1 to 4, the present utility model provides a power connector for soldering to a circuit board (not shown) and plugging with a mating connector (not shown), preferably, the power connector 100 may be a DC power connector 100, such as a DC Jack. The power connector 100 of the present utility model includes: an insulating body 10, a terminal group 20 accommodated in the insulating body 10, and a metal housing 30 covering the surface of the insulating body 10. The specific structure of the foregoing components is described in detail below.
As shown in fig. 2 and 3, the insulating body 10 is in a "mountain" shape, and is provided with a rear end wall 11, a pair of side walls 12 integrally extending forward from two ends of the rear end wall 11, and a butt joint portion 13 integrally extending forward from the rear end wall 11 and interposed between the pair of side walls 12, wherein the side walls 12 and the butt joint portion 13 are integrally connected with the rear end wall 11 and are all formed by extending forward from the rear end wall 11, and the extending directions of the side walls 12 and the butt joint portion 13 are parallel to each other, but the extending length of the butt joint portion 13 is smaller than that of the side walls 12, and the rear end wall 11, the pair of side walls 12 and the butt joint portion 13 jointly form the "mountain" structure. Preferably, the top surface of the rear end wall 11 is provided with a pair of grooves 14, the grooves 14 extend in the front-rear direction and penetrate the front-rear surface of the rear end wall 11, and the pair of grooves 14 are located inside the pair of side walls 12 and correspond to a pair of elastic pieces 34 (described below) of the metal housing 30 in position in the front-rear direction, so that the elastic pieces 34 can pass through during the assembly of the metal housing 30. The pair of side walls 12 are arranged in parallel, the rear ends of the side walls are integrally connected with the rear end wall 11, a clamping convex part 15 which extends outwards is formed on the outer surface of the side wall 12, the clamping convex part 15 is integrally formed on the outer surface of the side wall 12 and extends backwards, so that a clamping groove 16 is formed between the clamping convex part 15 and the side wall 12 and is used for clamping the metal shell 30, preferably, the clamping convex part 15 is positioned at the front end of the side wall 12 and is flush with the front end, the outer surface of the clamping convex part 15 is parallel to the outer surface of the side wall 12, and the clamping groove 16 penetrates up and down and is opened backwards, so that the metal shell 30 is conveniently inserted into the clamping groove 16 from back to front; an accommodation groove 17 extending in the front-rear direction is formed on the inner surface of the side wall 12 for accommodating the ground terminal 22 of the terminal group 20, and the accommodation groove 17 penetrates the rear surface of the rear end wall 11 rearward so that the ground terminal 22 can be inserted into the accommodation groove 17 from the rear forward. The extension length of the abutting portion 13 in the front-rear direction is smaller than that of the side wall 12, and the thickness of the abutting portion 13 in the vertical direction is also smaller than that of the side wall 12, preferably, a rectangular slot 18 is formed in the front end surface of the abutting portion 13 for accommodating the signal terminals 23 of the terminal group 20, protruding stoppers 19 are formed on two side surfaces of the abutting portion 13, and a space for accommodating the power terminals 21 of the terminal group 20 is formed on the rear side of the stoppers 19, so that the power terminals 21 can be protected to a certain extent.
As can be seen from the above, compared with the existing insulating body, the insulating body 10 of the present utility model eliminates the top wall and the bottom wall, so that the insulating body 10 is hollowed out or non-shielded at the upper and lower sides of the abutting portion 13, and the abutting portion 13 is exposed outwards in the vertical direction until the metal housing 30 is assembled, so as to form a closed plugging cavity 110, at this time, the upper and lower surfaces of the abutting portion 13 directly face the metal housing 30, and no space is provided between the two surfaces, thereby reducing the height of the insulating body 10, and further reducing the overall height of the power connector.
It should be noted that, the insulating body 10 is further provided with a pair of vertically extending clamping grooves 110, and the clamping grooves 110 are formed on the outer surfaces of the rear end walls 11 and are used for being fastened and fixed with the metal shell 30, and of course, the clamping grooves 110 may also be formed on the outer surfaces of the pair of side walls 12, and fastening and fixing with the metal shell 30 can also be achieved.
As shown in fig. 2, the terminal set 20 includes a pair of power terminals 21, a pair of ground terminals 22, and a signal terminal 23, which are fixed in the insulating body 10 and are used for electrically connecting with an electrical connector (not shown) of the mating end. The signal terminals 23 are located between the pair of power terminals 21 and inserted into the rectangular grooves 18 of the abutting portion 13, the pair of ground terminals 22 are mounted in the accommodating grooves 17 of the pair of side walls 1213, and the pair of power terminals 21 are attached to both sides of the abutting portion 13 and located at the rear side of the stopper 19.
As shown in fig. 4, the metal housing 30 is coated on the insulating body 10 and covers the surfaces of the rear end wall 11 and the side walls 12, the metal housing 30 is provided with a top cover 31, a pair of side covers 32 and a bottom cover 33, the top cover 31 and the bottom cover 33 are respectively located at the upper and lower sides of the abutting portion 13 and are opposite to the straight surface of the abutting portion 13, the top cover 31 is provided with a pair of spring plates 34 protruding downward, the side covers 32 are provided with retaining pieces 35 protruding inward, and the retaining pieces 35 extend from front to back and are retained in the retaining grooves 110, so as to prevent the metal housing 30 from being separated from the insulating body 10 backward. Preferably, the front side edge of the side cover 32 is provided with a notch 36, and the notch 36 is concavely formed from the front side edge to the rear for clamping the fastening protrusion 15 from the rear to the front.
In summary, the power connector of the present utility model adopts the mountain-shaped structure by optimizing the structure of the insulating body 10, and the arrangement of the top wall and the bottom wall is eliminated, so that the upper and lower sides of the abutting portion 13 directly face the metal housing 30, thus reducing the height of the insulating body 10, reducing the overall height of the power connector, and meeting the application requirements of light and thin.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make many possible variations and modifications to the technical solution of the present utility model using the above disclosed method without departing from the scope of the technical solution of the present utility model, which is defined in the claims.
Claims (8)
1. The utility model provides a power connector, includes the insulator, accommodates in the terminal group in the insulator, covers in the metal casing around the insulator, the terminal group includes a signal terminal, is located a pair of power terminal of signal terminal both sides, is located a pair of ground connection terminal in the power terminal outside, its characterized in that: the insulating body is provided with a rear end wall, a pair of side walls extending forwards from two ends of the rear end wall integrally and a butt joint part between the pair of side walls, and the upper side and the lower side of the butt joint part of the insulating body are hollowed out, so that the upper surface and the lower surface of the butt joint part directly face the metal shell.
2. The power connector of claim 1, wherein: the pair of side walls and the butt joint part are formed by integrally extending forwards from the rear end wall, the extending directions of the side walls and the butt joint part are mutually parallel, the extending length of the butt joint part is smaller than that of the side walls, and the rear end wall, the pair of side walls and the butt joint part jointly form a mountain-shaped structure.
3. The power connector of claim 2, wherein: the top surface of the rear end wall is provided with a pair of grooves which extend in the front-rear direction and penetrate through the front-rear surface of the rear end wall, the pair of grooves are positioned on the inner sides of the pair of side walls, the metal shell is provided with a pair of elastic pieces protruding downwards, and the elastic pieces correspond to the grooves in the front-rear direction.
4. A power connector as claimed in claim 3, wherein: the insulating body is also provided with a pair of clamping grooves which extend vertically, and the clamping grooves are formed on the outer surface of the rear end wall or the outer surfaces of the pair of side walls; the metal shell is provided with a clamping piece protruding inwards, and the clamping piece extends from front to back and is clamped in the clamping groove.
5. The power connector of claim 4, wherein: the thickness of the butt joint part in the vertical direction is smaller than the thicknesses of the side wall and the rear end wall, and a rectangular slot for accommodating the signal terminal is formed in the front end face of the butt joint part.
6. The power connector of claim 5, wherein: the pair of power terminals are distributed on two sides of the butt joint part, protruding stop blocks are formed on two side surfaces of the butt joint part, and a space for accommodating the power terminals is formed on the rear side of each stop block.
7. The power connector of claim 6, wherein: the metal shell is provided with a top cover, a bottom cover and a pair of side covers, and the clamping piece is formed on the side covers.
8. The power connector of claim 7, wherein: the top cover directly faces the upper surface of the butt joint part, the bottom cover directly faces the lower surface of the butt joint part, and the pair of side walls of the insulating body, the top cover and the bottom cover of the metal shell jointly form an inserting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322658532.1U CN221102498U (en) | 2023-09-28 | 2023-09-28 | Power connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322658532.1U CN221102498U (en) | 2023-09-28 | 2023-09-28 | Power connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221102498U true CN221102498U (en) | 2024-06-07 |
Family
ID=91327891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322658532.1U Active CN221102498U (en) | 2023-09-28 | 2023-09-28 | Power connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221102498U (en) |
-
2023
- 2023-09-28 CN CN202322658532.1U patent/CN221102498U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |