CN106329194B - Power connector - Google Patents

Abstract

The invention discloses a power connector, comprising: an insulating body, having a bottom surface and a top surface opposite in its height direction, a first side surface and a second side surface opposite in its width direction, and an insulating body opposite in its length direction. a front end and a rear end; a first terminal, disposed in the insulating body, adapted to be electrically connected to a first wire; and a second terminal, disposed in the insulating body, adapted to be electrically connected to a second wire. The power connector also includes a third terminal adapted to be electrically connected to a third wire, and parts of the third terminal are respectively located on the first side and the second side of the insulating body. In the present invention, the third terminals are held in the grooves on the top surface and the side of the insulating body, so the width and height of the entire power connector will not be increased. Therefore, the power connector of the present invention is still suitable for high-density arrangement in a narrow space.

Description

power connector

technical field

The invention relates to a power connector, in particular to a miniature power connector suitable for being arranged in a narrow space with high density.

Background technique

Due to volume limitations, the existing miniature power connector generally only includes two terminals, that is, only includes a positive terminal and a negative terminal, without a grounding terminal. However, sometimes, to improve electrical safety, it is necessary to provide a ground terminal.

If the grounding terminal is directly arranged in the insulating body like the positive terminal and the negative terminal, it will inevitably increase the volume of the entire miniature power connector, which will reduce the spatial arrangement density of the miniature power connector, and cannot adapt to high density in a narrow space. Requirements for laying out miniature power connectors.

In view of the foregoing, it is necessary to develop a novel miniature power connector, which does not increase the volume of the entire miniature power connector while increasing the ground terminal, in particular, cannot increase the width and height dimensions of the entire miniature power connector .

Contents of the invention

The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and deficiencies in the prior art.

According to an object of the present invention, there is provided a power connector which not only has a ground terminal but also has a small overall size.

According to one aspect of the present invention, there is provided a power connector, comprising: an insulating body having a bottom surface and a top surface opposite in its height direction, a first side surface and a second side surface opposite in its width direction, and a front end and a rear end opposite in the length direction; a first terminal, disposed in the insulating body, adapted to be electrically connected to a first wire; and a second terminal, disposed in the insulating body, adapted to be electrically connected to a second wire electrical connection. The power connector further includes a third terminal adapted to be electrically connected to a third wire, and parts of the third terminal are respectively located on the first side and the second side of the insulating body.

According to an embodiment of the present invention, a groove suitable for holding at least a part of the third terminal is formed on the top surface, the first side surface and the second side surface of the insulating body.

According to another embodiment of the present invention, the third terminal includes: a first extending portion, including a first horizontal extending portion extending parallel to the top surface of the insulating body and a first horizontal extending portion extending parallel to the first side surface of the insulating body The first vertical extension part, the first horizontal extension part is connected to the first vertical extension part; the second extension part includes a second horizontal extension part extending parallel to the top surface of the insulating body and a parallel a second vertically extending portion extending on the second side of the insulating body, the second horizontally extending portion is connected to the second vertically extending portion; an electrical connection end adapted to be electrically connected to a third wire; and a connecting portion extending parallel to the top surface of the insulating body and connecting the first horizontally extending portion, the second horizontally extending portion and the electrical connection end. The groove includes: a first groove formed on the top surface of the insulating body, adapted to hold the first horizontally extending portion; a second groove formed on the first side surface of the insulating body, adapted to hold the first vertically extending portion; a third groove formed on the top surface of the insulating body adapted to hold the second horizontally extending portion; and a fourth groove formed on the insulating body The second side of the body is adapted to hold the second vertically extending portion.

According to another embodiment of the present invention, the connecting portion of the third terminal includes: a first connecting portion extending along the width direction of the insulating body, and two ends of the first connecting portion are respectively connected to the first a horizontal extension part and the second horizontal extension part; and a second connection part extending along the length direction of the insulating body, and the two ends of the second connection part are respectively connected to the first connection part and the electrical connection part. Connect the ends.

According to another embodiment of the present invention, the connecting portion is placed on the top surface of the insulating body.

According to another embodiment of the present invention, the first horizontally extending portion and the second horizontally extending portion extend along the length direction of the insulating body.

According to another embodiment of the present invention, the first vertically extending portion and the second vertically extending portion constitute an electrical contact portion of the third terminal, and the electrical contact portion of the third terminal of the power connector The electrical contact portion is adapted to elastically contact with the corresponding terminal of the mating power connector.

According to another embodiment of the present invention, the electrical connection end of the third terminal is adapted to be crimped to a conductor of the third wire.

According to another embodiment of the present invention, the first terminal is a positive terminal, the second terminal is a negative terminal, and the third terminal is a ground terminal; and the first wire is a positive wire, and the second The wire is a negative wire, and the third wire is a ground wire.

According to another embodiment of the present invention, the power connector further includes a cover, the cover is installed on the top surface of the insulating body, and is used to cover the third terminal located on the top surface of the insulating body. on the part.

According to another embodiment of the present invention, a T-shaped or dovetail-shaped protrusion extending along the length direction of the insulating body is formed on the top surface of the insulating body; A T-shaped or dovetail-shaped groove fitted with a T-shaped or dovetail-shaped protrusion; connected together.

According to another embodiment of the present invention, an elastic backstop finger is formed on the third terminal, and the end of the elastic backstop finger is adapted to abut against the inner side of the end wall of the cover to prevent The cover installed on the insulating body withdraws backward along the length direction of the insulating body.

According to another embodiment of the present invention, the elastic anti-backlash finger is connected to the first connecting portion, and extends obliquely from the first connecting portion forwardly and upwardly.

According to another embodiment of the present invention, the elastic stop finger is connected to a middle portion of the first connecting portion and is opposite to the second connecting portion.

According to another embodiment of the present invention, first stop steps are respectively formed on the edges of both sides of the top surface of the insulating body; The second stop step part matched with the first stop step part; the first stop step part and the second stop step part are adapted to abut against each other to prevent installation on the insulating body The cover moves further forward along the length direction of the insulating body.

According to another embodiment of the present invention, the width of the cover is equal to the width of the insulating body.

According to another embodiment of the present invention, the total height of the power connector is less than 12.7mm.

According to another embodiment of the present invention, the total height of the power connector is less than 12.4mm.

In the power connector according to various embodiments of the present invention, since the third terminals are respectively located on the first side and the second side of the insulating body, the width and height of the entire power connector are not increased. Therefore, the power connector of the present invention is still suitable for high-density arrangement in a narrow space.

In some embodiments of the present invention, the third terminals are held in the grooves on the top and side surfaces of the insulating housing, so the width and height of the entire power connector will not be increased. Therefore, the power connector of the present invention is still suitable for high-density arrangement in a narrow space.

Other objects and advantages of the present invention will be apparent from the following description of the present invention with reference to the accompanying drawings, and may help to provide a comprehensive understanding of the present invention.

Description of drawings

FIG. 1 shows a perspective assembly diagram of a power connector according to an embodiment of the present invention, wherein the cover is not installed on the insulating body;

FIG. 2 shows a perspective exploded schematic diagram of a power connector according to an embodiment of the present invention;

Figure 3 shows a side view of the power connector according to one embodiment of the present invention, wherein the cover has been installed on the insulating body; and

FIG. 4 shows a longitudinal sectional view of the power connector shown in FIG. 3 .

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general technical concept of the present invention, there is provided a power connector, comprising: an insulating body, having a bottom surface and a top surface opposite in its height direction, a first side and a second side opposite in its width direction, and opposite front and rear ends in its length direction; a first terminal, disposed in the insulating body, adapted to be electrically connected to a first wire; and a second terminal, disposed in the insulating body, adapted to be connected to a first wire The two wires are electrically connected. The power connector further includes a third terminal adapted to be electrically connected to a third wire, and parts of the third terminal are respectively located on the first side and the second side of the insulating body.

FIG. 1 shows a perspective assembly diagram of a power connector according to an embodiment of the present invention, wherein the cover 300 is not installed on the insulating body 100; FIG. 2 shows a perspective exploded diagram of the power connector according to an embodiment of the present invention.

In one embodiment of the present invention, a power connector is disclosed, especially a miniature power connector suitable for high-density arrangement in a narrow space. As shown in FIGS. 1 and 2 , in the illustrated embodiment, the power connector mainly includes an insulating body 100 , a first terminal 1 , a second terminal 2 and a third wire 30 .

As shown in Figures 1 and 2, in one embodiment of the present invention, the insulating body 100 has a bottom surface and a top surface opposite in its height direction Z, and a first side and a second side opposite in its width direction X. , and the opposite front and rear ends in the Y direction of its length. The first terminal 1 is disposed in the insulating body 100 and is suitable for electrical connection with the first wire 10 . The second terminal 2 is disposed in the insulating body 100 and is suitable for being electrically connected with the second wire 10 . The third terminal 200 is suitable for being electrically connected with the third wire 30 .

As shown in FIGS. 1 and 2 , in one embodiment of the present invention, at least a portion 211 , 212 , 212 , and 221 , 222 grooves 111 , 112 , 121 , 122 . At least a part 211 , 212 , 221 , 222 of the third terminal 200 is held in the grooves 111 , 112 , 121 , 122 on the top surface, the first side surface and the second side surface of the insulating housing 100 .

In the illustrated embodiment, as shown in FIGS. 1 and 2 , the third terminal 200 includes a first extension portion 211 , 212 , a second extension portion 221 , 222 , an electrical connection end portion 240 and connection portions 230 , 260 .

As shown in FIG. 1 and FIG. 2 , the first extension portions 211, 212 include a first horizontal extension portion 211 extending parallel to the top surface of the insulating body 100 and a first vertical extension extending parallel to the first side surface of the insulating body 100. Section 212. The first horizontally extending portion 211 is connected to the first vertically extending portion 212 . The second extending portions 221 , 222 include a second horizontal extending portion 221 extending parallel to the top surface of the insulating body 100 and a second vertical extending portion 222 extending parallel to the second side surface of the insulating body 100 . The second horizontally extending portion 221 is connected to the second vertically extending portion 222 . The electrical connection end portion 240 is adapted to be electrically connected to the third wire 30 . The connecting portions 230 and 260 extend parallel to the top surface of the insulating body 100 and connect the first horizontally extending portion 211 , the second horizontally extending portion 221 and the electrical connection end portion 240 .

In the illustrated embodiment, as shown in FIG. 1 and FIG. , the second groove 112 , the third groove 121 and the fourth groove 122 . The first groove 111 is formed on the top surface of the insulating body 100 and adapted to hold the first horizontally extending portion 211 . The second groove 112 is formed on the first side of the insulating body 100 and adapted to hold the first vertically extending portion 212 . The third groove 121 is formed on the top surface of the insulating body 100 and adapted to hold the second horizontally extending portion 221 . The fourth groove 122 is formed on the second side of the insulating body 100 and adapted to hold the second vertically extending portion 222 .

In one embodiment of the present invention, as shown in FIG. 1 and FIG. 2 , the connection parts 230 and 260 of the third terminal 200 include a first connection part 230 and a second connection part 260 . The first connecting portion 230 extends along the width direction X of the insulating housing 100 , and two ends of the first connecting portion 230 are respectively connected to the first horizontally extending portion 211 and the second horizontally extending portion 221 . The second connecting portion 260 extends along the longitudinal direction Y of the insulating body 100 , and two ends of the second connecting portion 260 are respectively connected to the first connecting portion 230 and the electrical connecting end 240 .

In the illustrated embodiment, as shown in FIGS. 1 and 2 , the connection portions 230 and 260 of the third terminal 200 are placed on the top surface of the insulating housing 100 .

In the illustrated embodiment, as shown in FIGS. 1 and 2 , the first horizontally extending portion 211 and the second horizontally extending portion 221 extend along the length direction Y of the insulating body 100 .

In one embodiment of the present invention, as shown in FIG. 1 and FIG. 2 , the first vertically extending portion 212 and the second vertically extending portion 222 form an electrical contact portion of the third terminal 200, and the third terminal of the power connector The electrical contact portion of 200 is adapted to be in elastic electrical contact with an electrical contact portion of a corresponding terminal of a mating power connector (not shown).

In the illustrated embodiment, as shown in FIGS. 1 and 2 , the electrical connection end portion 240 of the third terminal 200 is adapted to be crimped to the conductor of the third wire 30 .

In one embodiment of the present invention, as shown in Figures 1 and 2, the first terminal 10 is a positive terminal, the second terminal 20 is a negative terminal, and the third terminal 200 is a ground terminal; and the first lead 1 is a positive lead , the second lead 2 is the negative lead, and the third lead 3 is the ground lead.

In the illustrated embodiment, as shown in FIGS. 1 and 2 , the power connector further includes a cover 300 installed on the top surface of the insulating body 100 for covering the third terminal 200 located on the insulating body. part on the top surface of the body 100 .

In one embodiment of the present invention, as shown in FIGS. A T-shaped or dovetail-shaped groove (not shown) that matches the T-shaped or dovetail-shaped protrusion 110 is formed on the inner wall; The fit of the grooves are connected to each other. In this way, the movement of the cover 300 in the height direction Z of the insulating body 100 and the movement in the width direction X of the insulating body 100 can be restricted. However, the movement of the cover 300 in the longitudinal direction Y of the insulating body 100 cannot be restricted only by the cooperation of the T-shaped or dovetail-shaped protrusion and the T-shaped or dovetail-shaped groove. Structural features that move on Y.

FIG. 3 shows a side view of the power connector according to an embodiment of the present invention, wherein the cover 300 has been installed on the insulating body 100 ; and FIG. 4 shows a longitudinal sectional view of the power connector shown in FIG. 3 .

In the illustrated embodiment, as shown in FIG. 1 to FIG. 4 , an elastic backstop finger 250 is further formed on the third terminal 200 . The end of the elastic stop finger 250 is adapted to abut against the inner side of the end wall of the cover 300 to prevent the cover 300 installed on the insulating body 100 from retreating backward along the length direction Y of the insulating body 100 .

In one embodiment of the present invention, as shown in FIGS. A second stop step 301 that cooperates with the first stop step 101 is respectively formed on the bottom surface of the bottom surface; the first stop step 101 and the second stop step 301 are suitable for abutting against each other to prevent installation The cover 300 on the insulating body 100 is further moved forward along the length direction of the insulating body 100 .

In this way, the movement of the cover 300 in the longitudinal direction Y of the insulating body 100 can be limited by the aforementioned structural features.

In the illustrated embodiment, as shown in FIGS. 1 , 2 and 4 , the elastic anti-retraction finger 250 is connected to the first connecting portion 230 and extends obliquely forward and upward from the first connecting portion 230 .

In one embodiment of the present invention, as shown in FIG. 1 , FIG. 2 and FIG. 4 , the elastic stop finger 250 is connected to the middle portion of the first connecting portion 230 and is opposite to the second connecting portion 260 .

In the illustrated embodiment, as shown in FIGS. 1 and 2 , the width of the cover 300 is equal to the width of the insulating body 100 .

In one embodiment of the present invention, as shown in FIG. 3 and FIG. 4 , the total height H of the power connector is less than 12.7 mm, preferably, the total height H of the power connector is less than 12.4 mm.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Can be combined freely.

Although the present invention has been described with reference to the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation of the present invention.

While certain embodiments of the present general inventive concept have been shown and described, it will be understood by those of ordinary skill in the art that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept. The scope is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Furthermore, any element references in the claims should not be construed as limiting the scope of the invention.

Claims (17)

1. a kind of power connector, including：

Insulating body (100), there is bottom surface relative in its short transverse (Z) and top surface, it is relative on its width (X) First side and second side, and relative front-end and back-end on its length direction (Y)；

The first terminal (1), it is arranged in the insulating body (100), suitable for being electrically connected with the first wire (10)；With

Second terminal (2), it is arranged in the insulating body (100), suitable for being electrically connected with the second wire (10),

It is characterized in that：

The power connector also includes being suitable to the third terminal (200) electrically connected with privates (30), the third terminal Part is respectively in the first side and second side of the insulating body (100)；

Formed with suitable for keeping the third terminal in the top surface of the insulating body (100), first side and second side (200) groove (111,112,121,122) of at least a portion (211,212,221,222)；

The third terminal (200) includes the first extension (211,212), and first extension (211,212) includes Parallel to the insulating body (100) top surface extend first level extension (211) and parallel to the insulating body (100) the first vertical extension (212) of first side extension, the first level extension (211) and described the One vertical extension (212) is connected；

The groove (111,112,121,122) includes：First groove (111), forms the top surface in the insulating body (100) On, suitable for keeping the first level extension (211)；With the second groove (112), formed in the insulating body (100) First side on, suitable for keeping the first vertical extension (212).

2. power connector according to claim 1, it is characterised in that：

The third terminal (200) also includes：

Second extension (221,222), including parallel to the insulating body (100) top surface extend it is second horizontal-extending Partly (221) and the second vertical extension (222) extended parallel to the second side of the insulating body (100) are described Second horizontal continuation (221) is connected with the described second vertical extension (222)；

Electrically connect end (240), be adapted to be electrically connected to privates (30)；With

Connecting portion (230,260), extend parallel to the top surface of the insulating body (100) and connect the first level extension Divide (211), second horizontal continuation (221) and electrical connection end (240),

The groove (111,112,121,122) also includes：

3rd groove (121), is formed on the top surface of the insulating body (100), suitable for keeping second horizontal extension Divide (221)；With

4th groove (122), is formed in the second side of the insulating body (100), suitable for keeping described second to prolong vertically Extending portion point (222).

3. power connector according to claim 2, it is characterised in that：

The connecting portion (230,260) of the third terminal (200) includes：

First connecting portion (230), extend along the width (X) of the insulating body (100), the first connecting portion (230) Both ends be connected respectively to the first level extension (211) and second horizontal continuation (221)；With

Second connecting portion (260), extend along the length direction (Y) of the insulating body (100), the second connecting portion (260) Both ends be connected respectively to the first connecting portion (230) and it is described electrical connection end (240).

4. power connector according to claim 3, it is characterised in that：The connecting portion (230,260) lies in described On the top surface of insulating body (100).

5. power connector according to claim 4, it is characterised in that：

The first level extension (211) and second horizontal continuation (221) are along the insulating body (100) Length direction (Y) extends.

6. power connector according to claim 2, it is characterised in that：

The first vertical extension (212) and the second vertical extension (222) form the third terminal (200) Electrical contacts, the electrical contacts of the third terminal (200) of the power connector are suitable to pair with the power connector of pairing The electrical contacts resilient electrical contact for the terminal answered.

7. power connector according to claim 2, it is characterised in that：

The electrical connection end (240) of the third terminal (200) is suitable to be crimped onto on the conductor of the privates (30).

8. power connector according to claim 1, it is characterised in that：

The first terminal (10) is positive terminal, and the Second terminal (20) is negative terminal, and the third terminal (200) is Ground terminal；And

First wire (1) is positive wire, and second wire (2) is cathode conductor, and the privates (3) is ground connection Wire.

9. power connector according to claim 3, it is characterised in that：

The power connector also includes a lid (300), and the lid (300) is arranged on the insulating body (100) On top surface, for sheltering from the part on the top surface of the insulating body (100) of the third terminal (200).

10. power connector according to claim 9, it is characterised in that：

On the top surface of the insulating body (100) formed with along the insulating body (100) length direction extension T-shaped or Swallow-tail form projection (110)；

Formed with the T-shaped or swallow-tail form coordinated with the T-shaped or swallow-tail form raised (110) on the inwall of the lid (300) Groove；And

It is raised with the T-shaped or swallow by the T-shaped or swallow-tail form between the lid (300) and the insulating body (100) The cooperation of tail connected in star interconnects.

11. power connector according to claim 10, it is characterised in that：

Elastic retaining is also formed with the third terminal (200) to refer to (250), the end that the elastic retaining refers to (250) is fitted In on the inner side of end wall for being resisted against the lid (300), to prevent the lid being arranged on the insulating body (100) (300) exited back along the length direction of the insulating body (100).

12. power connector according to claim 11, it is characterised in that：

The elastic retaining refers to (250) and is connected to the first connecting portion (230), from the first connecting portion (230) forward and Up extension tilts.

13. power connector according to claim 12, it is characterised in that：

The elastic retaining refers to the center section that (250) are connected to the first connecting portion (230), and is connected with described second Portion (260) is relative.

14. power connector according to claim 11, it is characterised in that：

The first stopping step portion (101) is respectively formed with the edge of the both sides of the top surface of the insulating body (100)；

It is respectively formed with the bottom surface of two side walls of the lid (300) and coordinates with the first stopping step portion (101) The second stopping step portion (301)；

The first stopping step portion (101) and the second stopping step portion (301) are suitable to be abutted against each other together, to prevent Length direction of the lid (300) along the insulating body (100) on the insulating body (100) further moves forward It is dynamic.

15. power connector according to claim 11, it is characterised in that：The width of the lid (300) is equal to described The width of insulating body (100).

16. power connector according to claim 9, it is characterised in that：The total height (H) of the power connector is less than 12.7mm。

17. power connector according to claim 16, it is characterised in that：The total height (H) of the power connector is small In 12.4mm.