CN209766685U

CN209766685U - electrical connector

Info

Publication number: CN209766685U
Application number: CN201920725185.0U
Authority: CN
Inventors: 唐明贤
Original assignee: Dongguan Tingzi Electronic Co Ltd
Current assignee: Dongguan Tingzi Health Technology Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2019-12-10
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to an electric connector, which is provided with a first connector and a second connector which are connected in a plugging way, wherein the first connector is provided with a first insulation main body and a male terminal, and the male terminal is implanted and assembled in a first terminal groove corresponding to the first insulation main body; the second connector is provided with a second insulating main body and a female terminal, the female terminal is implanted and assembled corresponding to a second terminal groove of the second insulating main body, and a second fixing part of the female terminal is at least provided with a second fixing bottom and second fixing side plates which are respectively bent and erected from the left side and the right side of the second fixing bottom; the second contact part is an inner convex piece which is arranged on the inner sides of the left and right second fixed side plates and is opposite to each other, and the second contact part is in line or surface contact with the first contact part of the male terminal. The utility model discloses not only guarantee that the second contact site of female end terminal and the first contact site of public end terminal carry out the line or the contact of face is connected, the plug of first connector and second connector is stable, reliable simultaneously, and the plug power is good, long service life.

Description

electrical connector

Technical Field

the utility model relates to an electric connector technical field, in particular to electric connector of contact pin plug-in.

background

An electrical connector is a device that enables the connection of two active devices, transmitting current or signals. With the development of electrical appliance technology, electrical connectors are widely applied to various electrical appliances, even communication base stations, aviation, aerospace and other systems; meanwhile, the requirements for the electrical connector are increasing, and the electrical connector is required to have the performances of durability, stable plug connection and accuracy. For the pin plug-in type electric connector, the male pin is inserted into the female slot to be conducted, but due to insufficient processing precision, deformation of a product in an assembling process, poor assembling matching and the like, the male pin and the female slot of a finished product are often not matched and are not stable in connection, even the condition of disconnection occurs, the transmission of current or signals is influenced, and therefore further improvement is needed.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide an electric connector, promote product plug connection performance and life.

in order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrical connector having a first connector and a second connector which are plug-connected to each other, wherein:

the first connector is provided with a first insulating main body and a plurality of male terminal, the first insulating main body is provided with a first end, a second end and a first terminal groove penetrating through the first end and the second end, the male terminal is provided with a first contact part, a first fixing part and a first connecting part, the male terminal is implanted and assembled corresponding to the first terminal groove of the first insulating main body, the first contact part is exposed at the first end of the first insulating main body, the first fixing part is clamped in the first terminal groove, the first connecting part is arranged at the second end of the first insulating main body, and the first connecting part is used for connecting a lead or a circuit board;

the second connector is provided with a second insulating main body and a plurality of female terminal, the second insulating main body is provided with a third end, a fourth end and a second terminal groove penetrating through the third end and the fourth end, the female terminal is provided with a second contact part, a second fixing part and a second connecting part, the female terminal is implanted and assembled corresponding to the second terminal groove of the second insulating main body, the second contact part and the second fixing part are embedded in the second terminal groove together, the second contact part is close to the third end of the second insulating main body, and the second contact part is used for being matched with the first contact part of the male terminal of the first connector for plugging and pulling connection; the second fixed part at least has a second fixed bottom and second fixed side plates respectively bent and erected from the left side and the right side of the second fixed bottom; the second contact part is an inner convex piece which is arranged on the inner sides of the left and right second fixed side plates and is opposite to each other, and the inner convex piece extends along the plugging and unplugging direction of the first contact part of the male terminal to realize the linear or surface contact of the second contact part and the first contact part of the male terminal; the second fixed bottom of the second fixed part and the second fixed side plate are limited by the inner wall of the second terminal groove; the second fixed bottom of the second fixed part is connected with a second connecting part in an extending way, the second connecting part is arranged at the fourth end of the second insulating main body, and the second connecting part is used for connecting a lead or a circuit board.

In the above aspect, the second contact portion is formed by tearing and folding inward the left and right second fixing side plate portions.

Above-mentioned scheme is further, the fixed bottom of second fixed part is equipped with the second and prevents moving back card portion, and the second prevents moving back the inner wall that card portion passes through barb formula joint second terminal groove.

According to the scheme, the section of the first fixing part of the male terminal is U-shaped, the first fixing part is provided with a first fixing bottom and first fixing side plates which are respectively bent and erected from the left side and the right side of the first fixing bottom, the first fixing bottom is provided with a first anti-withdrawing part, the first anti-withdrawing part is formed by locally tearing the first fixing bottom and bending towards the inner direction of the U-shaped part, and the first anti-withdrawing part is clamped with the inner wall of the first terminal groove in a barb mode.

The above scheme is further that the second fixed part is square pipe form, and the one end of keeping away from the fixed bottom of second of left and right second fixed curb plate is equipped with the interior hem of buckling in opposite directions respectively, and the shape, the size and the second fixed part of second terminal groove match.

The above-mentioned scheme is further, the second anti-sticking portion is formed by the second fixed bottom of second fixed part is partially torn and is buckled to the inner wall direction of second terminal groove, and the second anti-sticking portion is closer to the third end of second insulating main part than the second contact portion.

Above-mentioned scheme is further, the third end of second insulating main part is equipped with the socket portion of axial extension, and the first end that interior mouth shape, the size of this socket portion match first insulating main part inserts the connection, and is equipped with on the periphery of socket portion and articulates the arch, is equipped with the finger pressure in the first insulating main part and hangs the arm, and the finger pressure hangs the one end adaptation of arm extension orientation first end and articulates with articulating the arch and be connected.

Above-mentioned scheme is further, the interior oral wall of the socket portion of second insulating main part is equipped with spacing guide way, and the periphery of the first insulating main part that corresponds is equipped with spacing direction muscle.

The utility model discloses an effective design first connector and second connector's structure not only guarantees that the second contact site of female end terminal and the first contact site of public end terminal carry out the contact of line or face and is connected, promotes product plug connection performance, and the equipment is optimized simultaneously, reduces the second contact site form of assembling process to female end terminal, and the plug of first connector and second connector is stable, reliable, and plug power is good, long service life.

Description of the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a first insulative body structure of the embodiment of FIG. 1;

FIG. 3 is a side view of the outer structure of the first insulative body of the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of the male terminal structure of the embodiment of FIG. 1;

FIG. 5 is a schematic cross-sectional view of the male terminal of the embodiment of FIG. 4;

FIG. 6 is an enlarged view of a portion of the embodiment of FIG. 5;

FIG. 7 is a schematic view of a second insulating body configuration of the embodiment of FIG. 1;

FIG. 8 is a perspective view of the internal structure of the second insulating body of the embodiment of FIG. 7;

FIG. 9 is a schematic cross-sectional view of the internal structure of the second insulating body of the embodiment of FIG. 7;

FIG. 10 is a schematic diagram of the female terminal structure of the embodiment of FIG. 1;

Fig. 11 is a side view of the female terminal end of the embodiment of fig. 10;

FIG. 12 is a cross-sectional view of the female terminal of the embodiment of FIG. 10;

Fig. 13 is a structural schematic diagram of the female terminal of the embodiment of fig. 10 in another cross-sectional direction.

the specific implementation mode is as follows:

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

referring to fig. 1 ~ 13, the present invention relates to an electrical connector having a first connector 10 and a second connector 20 that are connected to each other by plugging and unplugging, for transmitting current or signals.

The first connector 10 has a first insulating body 1 and a plurality of male terminals 2, and the plurality of male terminals 2 are assembled on the first insulating body 1 in a single row or multiple rows, which is not limited herein. The first insulating main body 1 is provided with a first end 11, a second end 12 and a first terminal groove 13 which penetrates through the first end and the second end; the male terminal 2 is provided with a first contact part 21, a first fixing part 22 and a first connecting part 23, the male terminal is implanted and assembled corresponding to the first terminal groove 13 of the first insulating main body, the first contact part 21 is exposed at the first end 11 of the first insulating main body, the first fixing part is clamped in the first terminal groove, the first connecting part 23 is arranged at the second end of the first insulating main body, and the first connecting part 23 is used for connecting a lead or a circuit board; in the figure, the first connecting part 23 is used for connecting a wire, and a wrapping and clamping opening is arranged on the first connecting part 23 and used for wrapping and clamping a riveting wire. If the first connecting portion 23 is for connecting a circuit board, the second end of the first insulating body is extended for upper board soldering.

The second connector 20 has a second insulating body 3 and a plurality of female terminals 4, and the plurality of female terminals 4 are assembled on the second insulating body 3 in a single row or multiple rows, which is not limited herein. The second insulating main body 3 has a third terminal 31, a fourth terminal 32 and a second terminal groove 33 penetrating the third terminal and the fourth terminal, the female terminal 4 has a second contact portion 41, a second fixing portion 42 and a second connecting portion 43, the female terminal is implanted and assembled corresponding to the second terminal groove 33 of the second insulating main body, the second contact portion 41 and the second fixing portion 42 are embedded in the second terminal groove 33, the second contact portion 41 is close to the third terminal 31 of the second insulating main body, and the second contact portion 41 is used for being connected with the first contact portion 21 of the male terminal 2 of the first connector in a plugging manner, so that current or signal transmission is realized. The second fixing portion 42 at least has a second fixing bottom portion 421 and second fixing side plates 422 respectively bent and erected from the left and right sides of the second fixing bottom portion; the second contact portion 41 is arranged on the inner side of the left and right second fixed side plates 422 and is opposite to the inner side, the inner side of the second contact portion extends along the plugging and unplugging direction of the first contact portion of the male terminal, the second contact portion 41 is in line or surface contact with the first contact portion 21 of the male terminal, the contact surface is improved, the poor contact or non-contact condition is reduced, meanwhile, the current or signal impact is effectively reduced, and the transmission effect is improved. In the plugging use, the second contact part 41 is in line or surface contact with the first contact part 21, the plugging force is used for automatically guiding the plugging, and the use is more stable and effective. The second fixing bottom 421 and the second fixing side plate 422 of the second fixing portion 42 are limited by the inner wall of the second terminal groove 33, and are limited in multiple surfaces, so that the female terminal can be stabilized in the second terminal groove 33, and the assembling failure condition is reduced. The second fixing bottom of the second fixing portion 42 is extended to connect with a second connecting portion 43, the second connecting portion 43 is disposed at the fourth end of the second insulating main body, and the second connecting portion 43 is used for connecting with a wire or a circuit board. In the figure, the second connecting portion 43 is used for connecting a wire, and a wrapping and clamping opening is arranged on the second connecting portion 43 and used for wrapping and clamping a riveting wire. If the second connecting portion 43 is for connecting a circuit board, a fourth terminal of the second insulating body is extended for upper board soldering.

referring to fig. 10 ~ 13, in the present embodiment, the second contact portion 41 is formed by tearing and folding the left and right second fixing side plates 422 partially, the second contact portion 41 is directly and integrally formed on the left and right second fixing side plates 422, the structure is good, the left and right second fixing side plates 422 are limited by the inner wall of the second terminal groove 33 when assembled, so that the second contact portion 41 obtains a stable form, and the second contact portion 41 has a corresponding expansion and contraction elasticity to obtain a better insertion and extraction force, the second fixing bottom 421 of the second fixing portion 42 is provided with a second anti-separation portion 423, the second anti-separation portion 423 is clamped to the inner wall of the second terminal groove 33 by a barb type, so as to obtain a better assembly and positioning, while preventing separation, the insertion and extraction force of the female terminal can be increased, a pushing force effect is provided when inserting, the second fixing bottom 421 extends and connects with the second connecting portion 43 to obtain an integral structure, and the riveting process of the second connecting portion 43 does not affect the form of the second contact portion 41, which is beneficial for subsequent wiring, the manufacturing efficiency and the product quality are improved, the product quality is further improved, the effect of the improvement of the effect of the insertion and the effect obtained when the second terminal is obtained by the insertion and the separation of the second terminal groove is further improved when the insertion and the insertion of the second fixing portion 422 is increased, the insertion and the insertion of the insertion and separation of the insertion of the second fixing portion, the insertion of the second fixing portion 42, the insertion of the second fixing portion, the insertion and the insertion of the second fixing portion, the insertion of the insertion-separation preventing separation of the second terminal groove 33, the second terminal groove, the second fixing portion, the.

Referring to fig. 4 ~ 6, in the present embodiment, the cross section of the first fixing portion 22 of the male terminal 2 is U-shaped, the first fixing portion 22 has a first fixing bottom 221 and first fixing side plates 222 respectively bent and erected from the left and right sides of the first fixing bottom, the first fixing bottom is provided with a first anti-releasing portion 223, the first anti-releasing portion 223 is formed by partially tearing the first fixing bottom and bending the first fixing bottom toward the inside of the U-shaped portion, the first anti-releasing portion 223 is clamped to the inner wall of the first terminal groove 13 in a barb manner, during assembly, the inner wall of the first terminal groove 13 correspondingly limits the first fixing bottom 221 and the left and right first fixing side plates 222 in a multi-surface limiting manner, so that the connection assembly is more stable, and the first anti-releasing portion 223 is bent toward the inside of the U-shaped portion, which is beneficial for the terminal forming and assembly, and the subsequent connection riveting and stamping process of the first connecting portion 23 does not affect the shape of the first anti-releasing portion 223, thereby effectively avoiding, reducing the manufacturing difficulty, improving the efficiency and the product quality.

Referring to fig. 1 ~ 3 and 7 ~ 9, in the present embodiment, the third terminal 31 of the second insulating main body 3 is provided with the axially extending socket portion 34, the shape and size of the inner opening of the socket portion 34 are matched with the shape and size of the first terminal 11 of the first insulating main body, and the periphery of the socket portion is provided with the hooking protrusion 35, the first insulating main body 1 is provided with the finger-pressure hanging arm 14, and one end of the finger-pressure hanging arm 14 extending towards the first terminal 11 is matched and hooked with the hooking protrusion 35, so that the plugging use effect of the first connector and the second connector is increased, when the first insulating main body needs to be pulled out and separated, the first connector and the second connector can be released by pressing the finger-pressure hanging arm 14, the structure is simple and convenient to use.

The present invention has been described in detail with reference to the embodiments, and only for the purpose of illustrating the technical concept and features of the present invention, the present invention is intended to be understood and implemented by those skilled in the art, and the protection scope of the present invention can not be limited thereby, so that equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. Electric connector, first connector and second connector that has mutual plug connection, its characterized in that:

2. The electrical connector of claim 1, wherein: the second contact part is formed by tearing and folding inward the left and right second fixed side plate parts.

3. The electrical connector of claim 1, wherein: the second fixed bottom of second fixed part is equipped with the second and prevents moving back card portion, and the second prevents moving back the inner wall that card portion passes through barb formula joint second terminal groove.

4. The electrical connector of claim 1, wherein: the cross section of the first fixing part of the male terminal is U-shaped, the first fixing part is provided with a first fixing bottom and first fixing side plates which are respectively bent and erected from the left side and the right side of the first fixing bottom, the first fixing bottom is provided with a first anti-disengaging part, the first anti-disengaging part is formed by locally tearing the first fixing bottom and bending towards the inner direction of the U-shaped part, and the first anti-disengaging part is clamped with the inner wall of the first terminal groove in a barb mode.

5. The electrical connector of claim 1, wherein: the second fixing part is in a square pipe shape, inner folded edges which are oppositely bent are respectively arranged at one ends of the left and right second fixing side plates far away from the second fixing bottom, and the shape and the size of the second terminal groove are matched with those of the second fixing part.

6. the electrical connector of claim 3, wherein: the second anti-back-off part is formed by locally tearing the second fixed bottom of the second fixed part and bending the second fixed bottom towards the inner wall of the second terminal groove, and the second anti-back-off part is closer to the third end of the second insulating main body relative to the second contact part.

7. The electrical connector of claim 1, wherein: the third end of the second insulation main body is provided with an axially extending socket, the shape and size of the inner opening of the socket are matched with the first end of the first insulation main body, the socket is inserted and connected, a hanging protrusion is arranged on the periphery of the socket, a finger pressure hanging arm is arranged on the first insulation main body, and the finger pressure hanging arm extends towards one end of the first end and is connected with the hanging protrusion in a hanging mode.

8. the electrical connector of claim 7, wherein: the inner opening wall of the socket part of the second insulating main body is provided with a limiting guide groove, and the periphery of the corresponding first insulating main body is provided with a limiting guide rib.