CN110600905A

CN110600905A - Electrical connector

Info

Publication number: CN110600905A
Application number: CN201910787493.0A
Authority: CN
Inventors: 赵磊
Original assignee: Accurate Spare Part Co Ltd Of Micro-Haze In Suzhou
Current assignee: Shanghai Weilan Industrial Product Design Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2019-12-20

Abstract

The invention discloses an electric connector, which comprises a lower cover part and an upper cover part, wherein the lower cover part is used for inserting at least two wires, the upper cover part is used for buckling with the lower cover part, a conductive terminal is fixedly arranged on the upper cover part, a contact part exposed on the wires is clamped between the conductive terminal of the upper cover part and the lower cover part, and the conductive terminal is used for realizing electric connection with the contact part of the wires. Therefore, the electrical connection inserting and positioning of the two wires can be realized only by one connector, the production and manufacturing cost of the electric connector is greatly reduced, the occupied equipment space of the electric connector can be further reduced, and the further miniaturization trend of equipment is facilitated.

Description

Electrical connector

Technical Field

The present invention relates to an electrical connector, and more particularly, to an electrical connector for connecting wires.

Background

Chinese utility model No. CN201520173618.8 discloses a connector, which comprises a male plug and a female plug; the male plug comprises a first plastic shell and a first lead with one end provided with a metal terminal, wherein the end of the first lead provided with the metal terminal is positioned in the first plastic shell, one end of the first plastic shell is provided with an inserting rod and a clamping hook, the metal terminal of the first lead is positioned in the inserting rod, the end part of the metal terminal is provided with an inserting hole, and the clamping hook is positioned beside the inserting rod; the female plug comprises a second plastic shell and a second lead with one end provided with a metal terminal, the end of the second lead provided with the metal terminal is positioned in the second plastic shell, one end of the second plastic shell is provided with a plug hole matched with the plug rod and a clamping part matched with the clamping hook, the metal terminal of the second lead is positioned in the plug hole, the end part of the metal terminal is matched with the jack of the metal terminal of the first lead, and the clamping part is positioned at the side of the plug hole; the first lead and the metal terminal at one end of the first lead are tightly combined in the first plastic shell in an injection molding mode of an injection molding machine; the second lead and the metal terminal at one end of the second lead are tightly combined in the second plastic shell in an injection molding mode of an injection molding machine.

Therefore, in the prior art, if two wires need to be electrically connected in an inserting manner, a male end connector connected with one wire and a female end connector connected with the other wire in a matching and butting manner need to be arranged, so that the cost is high, the assembly is not changed, and the miniaturization trend of equipment is not facilitated.

However, today, the trend of miniaturization of electrical connectors is becoming more and more obvious, and it is an increasingly urgent need to further miniaturize the electrical connectors and further reduce the space occupied by the electrical connectors in the devices.

Accordingly, there is a need for improvements in the art that overcome the above-mentioned deficiencies.

Disclosure of Invention

The invention aims to provide an electric connector which is simple in structure, beneficial to saving cost and smaller.

The purpose of the invention is realized by the following technical scheme: an electric connector comprises a lower cover part and an upper cover part, wherein the lower cover part is used for inserting at least two wires, the upper cover part is used for buckling with the lower cover part, a conductive terminal is fixedly arranged on the upper cover part, a contact part exposed on the wires is clamped between the conductive terminal of the upper cover part and the lower cover part, and the conductive terminal is used for being electrically connected with the contact part of the wires.

As an improvement of the invention, the lower cover part comprises an insulator for plugging the lead, and the insulator comprises a plugging part provided with a plugging hole and used for penetrating the lead and a base part extending from the plugging part and used for limiting the penetrated lead.

As an improvement of the present invention, downwardly extending clasping members are fixedly held on both sides of the base of the insulator, the clasping members are provided with pivot holes, the pivot holes include a rotation hole and a positioning hole integrally extending with the rotation hole and smaller than the rotation hole, the upper cover portion is pivoted on the lower cover portion, the upper cover portion is provided with a pivot shaft for cooperating with the pivot hole of the lower cover portion, and the pivot shaft is used for rotating in the rotation hole to realize the positioning restriction in the positioning hole.

As an improvement of the invention, the section of the pivot shaft is rectangular.

As an improvement of the present invention, the latching member further includes a latching hook located at the front end of the pivot hole, and the latching hook extends in the up-down direction and further bends and extends toward the inside of the electrical connector.

As an improvement of the invention, a hooking concave part for inserting the buckling hook part in the front-back direction to realize buckling is arranged above the front end of the upper cover part.

As an improvement of the invention, the buckling pieces are metal sheets which are fixed on the left side and the right side of the insulator.

As an improvement of the present invention, the upper cover portion is provided with an insulating body, the insulating body is provided with a main portion and side walls located on the left and right sides of the main portion, the pivot shaft is located on the side walls, the main portion is concavely provided with a left accommodating cavity and a right accommodating cavity which are arranged at intervals, and the conductive terminal comprises a main body portion fixed in the accommodating cavities and a contact arm which protrudes out of the accommodating cavities and is used for electrically contacting with the conductive wire.

As an improvement of the present invention, the conductive terminal includes an extending leg extending outward from the holding portion, an extending protrusion protruding from one side of the extending leg is disposed on the sidewall, and the pivot shaft includes the extending leg and the extending protrusion.

As the improvement of the invention, a jacking convex part for jacking the lead is convexly extended on the main part.

Compared with the prior art, the electric connector comprises a lower cover part for inserting at least two wires and an upper cover part for buckling with the lower cover part, wherein the upper cover part is fixedly provided with a conductive terminal, a contact part exposed on the wires is clamped between the conductive terminal of the upper cover part and the lower cover part, and the conductive terminal is used for realizing electric connection with the contact part of the wires. Therefore, the electrical connection inserting and positioning of the two wires can be realized only by one connector, the production and manufacturing cost of the electric connector is greatly reduced, the occupied equipment space of the electric connector can be further reduced, and the further miniaturization trend of equipment is facilitated.

Drawings

Fig. 1 is a perspective view of the electrical connector of the present invention when mated with a wire.

Fig. 2 is a partially exploded perspective view of fig. 1.

Fig. 3 is a perspective view of the lower cover portion of the electrical connector of the present invention.

Fig. 4 is an exploded perspective view of fig. 3.

Fig. 5 is an exploded perspective view of the upper cover portion of the electrical connector of the present invention.

Fig. 6 is a state view of the electrical connector of the present invention when assembled.

Fig. 7 is a perspective view of the electrical connector of the present invention after assembly.

Reference numerals:

lower cover part 1 of electrical connector 100

Insulator 11 base 111

Plug 112 with plug hole 113

Holding part 121 of retainer 12

Buckling part 122 pivoting hole 123

Rotating hole 1231 positioning hole 1232

The upper cover part 2 of the clasping hook part 124

Insulating body 21, base 211

The side wall 212 supports the convex part 213

Receiving cavity 214 extending projection 215

Hook recess 216 conductive terminal 22

Body portion 221 contact arm 222

Extension foot 223 pivotally connects shaft 20

Wire 3 contact portion 31

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Fig. 1 to 7 are schematic structural views of an electrical connector 100 according to the present invention. The electrical connector 100 of the present invention includes a lower cover portion 1 for inserting at least two wires 3 and an upper cover portion 2 for being fastened to the lower cover portion 1, wherein a conductive terminal 22 is fixed on the upper cover portion 2, a contact portion 31 exposed on the wires 3 is clamped between the conductive terminal 22 of the upper cover portion 2 and the lower cover portion 1, and the conductive terminal 22 is electrically connected to the contact portion 31 of the wires 3. With this arrangement, the two wires 3 are inserted into the lower cover part 1, and then the upper cover part 2 is pressed and fastened on the lower cover part 1, so that the wires 3 can be fixed on the electrical connector 100, and the conductive terminals 22 on the electrical connector 100 can be electrically connected with the two wires 3; and if need realize the electrical property grafting with two wires 3 among the prior art, need set up the male end connector of connecting a wire 3 and the female end connector of connecting another wire 3 that matches the butt joint with it, the cost is great, and the equipment is unchangeable, also does not contribute to the miniaturized trend of equipment. The invention can realize the electrical insertion positioning of the two wires 3 by only one connector, greatly reduces the production and manufacturing cost of the electric connector 100, can further reduce the space occupied by the electric connector 100 and is beneficial to the further miniaturization trend of equipment. The electrical connector 100 is not limited to the case of being applied to two wires 3, and may be applied to the case of being applied to two or more wires 3. Of course, the electrical connector 100 should not be understood as being extended integrally, and even if the technical solution of the present invention is manufactured in blocks and then spliced for use, it is within the scope of the present invention.

The lower cover part 1 includes an insulator 11 for inserting the wire 3, and the insulator 11 includes an insertion part 112 having an insertion hole 113 for inserting the wire 3 and a base 111 extending from the insertion part 112 for limiting the inserted wire 3. Thus, the lead 3 passes through the insertion hole 113 and is limited on the base 111 to realize preliminary positioning, which is beneficial to the lead 3 not easy to displace when the upper cover part 2 is subsequently fixed on the lower cover part 1, thereby realizing the effectiveness of installation and improving the installation yield. Of course, in other embodiments, the lead wires 3 may be preliminarily limited on the lower cover part 1 in other manners.

The two sides of the base 111 of the insulator 11 are fixedly provided with downwardly extending clasps 12, the clasps 12 are provided with pivot holes 123, the pivot holes 123 include rotation holes 1231 and positioning holes 1232 integrally extending with the rotation holes 1231 and smaller than the rotation holes 1231, the upper cover part 2 is pivoted on the lower cover part 1, the upper cover part 2 is provided with pivot shafts 20 for cooperating with the pivot holes 123 of the lower cover part 1, and the pivot shafts 20 are used for rotating in the rotation holes 1231 to realize the positioning restriction in the positioning holes 1232. With this arrangement, the upper cover part 2 and the lower cover part 1 can be pivoted together by the pivot shaft 20 and the pivot hole 123. Specifically, referring to fig. 6 and 7, the upper lid portion 2 is moved to the rear so as to locate the pivot shaft 20 in the rotation hole 1231, the space of the rotation hole 1231 is large so that the pivot shaft 20 can rotate freely therein, after the wire 3 is inserted into the lower lid portion 1, the upper lid portion 2 is rotated downward and pressed, and after the pressing, the upper lid portion 2 is further pushed forward and horizontally, so that the pivot shaft 20 is held in the positioning hole 1232 with a small space at the front end of the rotation hole 1231, thereby achieving the limiting.

Preferably, the pivot shaft 20 has a rectangular cross-section. With this arrangement, the pivot shaft 20 can rotate freely in the rotation hole 1231, and when entering the positioning hole 1232, the pivot shaft 20 is limited by the positioning hole 1232 in the vertical direction and cannot rotate freely. In other embodiments, the cross section of the pivot shaft 20 may have other shapes, such as a cylindrical shape with a flat upper side.

The latching member 12 further includes a latching hook 124 located at the front end of the pivot hole 123, and the latching hook 124 extends along the vertical direction and further bends and extends towards the inside of the electrical connector 100. With such an arrangement, when the upper cover part 2 is pressed and pushed forward, the upper cover part 2 can be inserted into the hooking range of the buckling hook part 124, so that the most stable hooking and fixing of the upper cover part 2 and the lower cover part 1 can be realized, and the upper cover part 2 is prevented from being separated from the lower cover part 1.

A hooking concave part 216 for inserting the buckling hook part 124 in the front and back direction to realize buckling is arranged above the front end of the upper cover part 2. With such an arrangement, the hooking recess 216 facilitates the positioning of the latching hook 124, facilitates the flatness of the exterior of the electrical connector 100, and facilitates the miniaturization trend of the electrical connector 100 to a certain extent.

The clasps 12 are metal sheets fixed to the left and right sides of the insulator 11. With such an arrangement, the buckling member 12 has better strength than a plastic material, so as to prolong the service life of the electrical connector 100. In another embodiment, the retainer 12 may be integrally extended with the insulator 11. In the present embodiment, the metal sheet is embedded and molded in the insulator 11, and in other embodiments, the metal sheet may be held in the insulator 11 by another method. In this embodiment, the latching member 12 includes a holding portion 121 and a latching portion 122 bent and extended downward from the holding portion 121, and the pivot hole 123 is located on the latching portion 122.

The upper cover portion 2 is provided with an insulating body 21, the insulating body 21 is provided with a base portion 211 and side walls 212 located at the left and right sides of the base portion 211, the pivot shaft 20 is located on the side walls 212, the base portion 211 is concavely provided with a left accommodating cavity 214 and a right accommodating cavity 214 which are arranged at intervals, and the conductive terminal 22 comprises a main body portion fixed in the accommodating cavities 214 and a contact arm 222 which protrudes out of the accommodating cavities 214 and is used for electrically contacting with the conductive wire 3. With this arrangement, the conductive terminal 22 can be held on the upper cover portion 2, and the contact arm 222 can be electrically contacted with the conductive wire 3 after the upper cover portion 2 is fastened to the lower cover portion 1. In the present embodiment, the conductive terminal 22 is embedded in the insulating body 21, and in other embodiments, the conductive terminal 22 may be mounted on the insulating body 21 in other manners.

The conductive terminal 22 includes an extending leg 223 extending outward from the main body 221 to the sidewall 212, an extending protrusion 215 protruding from the sidewall 212 is disposed on one side of the extending leg 223, and the pivot shaft 20 includes the extending leg 223 and the extending protrusion 215. Therefore, the pivot shaft 20 has both plastic and metal components, the metal component improves the overall strength, and the plastic component makes the pivot shaft 20 have a certain volume thickness, which is also convenient for molding.

The base portion 211 is protruded with a supporting protrusion 213 for supporting the lead 3. Thus, the supporting protrusion 213 can achieve better stability of the wire 3 inside after the electrical connector 100 is completely engaged, and thus, unnecessary displacement is not likely to occur inside, thereby improving the overall stability of the electrical connector 100.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. An electrical connector, comprising: the conductive terminal comprises a lower cover part and an upper cover part, wherein the lower cover part is used for being inserted with at least two wires, the upper cover part is buckled with the lower cover part, a conductive terminal is fixedly arranged on the upper cover part, a contact part exposed on the wires is clamped between the conductive terminal of the upper cover part and the lower cover part, and the conductive terminal is used for being electrically connected with the contact part of the wires.

2. The electrical connector of claim 1, wherein: the lower cover part comprises an insulator for inserting the lead, and the insulator comprises an inserting part provided with an inserting hole and used for penetrating the lead and a base part extending from the inserting part and used for limiting the penetrated lead.

3. The electrical connector of claim 1, wherein: the two sides of the base part of the insulator are fixedly provided with downwards extending buckling pieces, the buckling pieces are provided with pivoting holes, each pivoting hole comprises a rotating hole and a positioning hole which integrally extends with the rotating hole and is smaller than the rotating hole, the upper cover part is pivoted on the lower cover part, the upper cover part is provided with a pivoting shaft which is matched with the pivoting hole of the lower cover part, and the pivoting shaft is used for rotating in the rotating hole to realize limiting positioning in the positioning hole.

4. The electrical connector of claim 3, wherein: the section of the pivot shaft is rectangular.

5. The electrical connector of claim 3, wherein: the buckling and holding piece further comprises a buckling and holding hook part positioned at the front end of the pivoting hole, and the buckling and holding hook part extends along the vertical direction and further bends and extends towards the inside of the electric connector.

6. The electrical connector of claim 5, wherein: and a hooking concave part for inserting the buckling hook part in the front-back direction to realize buckling is arranged above the front end of the upper cover part.

7. The electrical connector of claim 3, wherein: the buckling pieces are metal sheets fixed on the left side and the right side of the insulator.

8. The electrical connector of claim 3, wherein: the upper cover part is provided with an insulating body, the insulating body is provided with a main part and side walls positioned on the left side and the right side of the main part, the pivot shaft is positioned on the side walls, the main part is concavely provided with a left accommodating cavity and a right accommodating cavity which are arranged at intervals, and the conductive terminal comprises a main part fixedly held in the accommodating cavities and a contact arm which protrudes out of the accommodating cavities and is used for electrically contacting with the lead.

9. The electrical connector of claim 8, wherein: the conductive terminal comprises an extending pin which extends outwards from the fixing part in a progressive manner, an extending lug is arranged on one side of the extending pin in a protruding manner, and the pin joint shaft comprises the extending pin and the extending lug.

10. The electrical connector of claim 8, wherein: the main part is convexly provided with a jacking convex part for jacking the lead.