CN211351038U

CN211351038U - Electrical connector

Info

Publication number: CN211351038U
Application number: CN201922032424.7U
Authority: CN
Inventors: 何睿
Original assignee: Amphenol Technology Zhuhai Co Ltd
Current assignee: Amphenol Technology Zhuhai Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-25
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses an electric connector, include: the socket is provided with a first pin component, and a second pin component is arranged in the first pin component; the plug can be plugged into the socket and is provided with a first jack component, a second jack component is arranged in the first jack component, the first jack component is correspondingly connected with the first contact pin component, the second jack component is correspondingly connected with the second contact pin component, an elastic grating is arranged on the first jack component and/or the second jack component, and the elastic grating is used for elastically pressing and connecting the first contact pin component and/or the second contact pin component; the utility model discloses set up the elasticity grid on first contact pin subassembly and/or second contact pin subassembly, the elasticity grid can guarantee contact pin subassembly and jack subassembly stable connection because of the elastic restoring force of self after plug many times, promotes electric connector's life.

Description

Electrical connector

Technical Field

The utility model relates to an electric elements technical field, in particular to electric connector.

Background

Electrical connectors, which typically include plugs and sockets, are used primarily to make electrical and signal connections from device to device, assembly to assembly, and system to system, and are essential elements of a complete system. The existing electric connector is easy to have poor contact after being repeatedly plugged, so that the service life of the electric connector is short, the waterproof performance is poor, and the waterproof performance requirement of IP68 is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electric connector of resistant plug repeatedly, use through many times the plug still can guarantee plug and socket stable connection.

According to the utility model discloses an electric connector of first aspect embodiment includes: the socket is provided with a first pin component, and a second pin component is arranged in the first pin component; the plug can be plugged into the socket and is provided with a first plug hole component, a second plug hole component is arranged in the first plug hole component, the first plug hole component is correspondingly connected with the first plug pin component, the second plug hole component is correspondingly connected with the second plug pin component, the first plug hole component and/or an elastic grating is arranged on the second plug hole component, and the elastic grating is used for elastic compression connection of the first plug pin component and/or the second plug pin component.

According to the utility model discloses electric connector has following beneficial effect at least: the utility model discloses set up the elasticity grid on first contact pin subassembly and/or second contact pin subassembly, elasticity grid can guarantee contact pin subassembly and jack subassembly stable connection because of the elastic restoring force of self after plug many times, promote electric connector's life, and set up the second contact pin subassembly in first contact pin subassembly, positive pole and negative pole can be connected respectively to first contact pin subassembly and second contact pin subassembly, such design makes electric connector's structure become compact, reduce electric connector's volume.

According to some embodiments of the utility model, the elasticity grid is the cover tube-shape and from both ends to the middle part indent gradually towards axle center direction.

According to some embodiments of the invention, the two ends of the elastic grid are further provided with an integrally formed metal ring.

According to some embodiments of the invention, the first socket component and/or the one end of the second socket component is sleeve-like, the other end being provided with a perforation or a blind hole for connecting a cable.

According to some embodiments of the invention, the plug comprises a raised annular sleeve, the socket comprises a groove, the first jack component and the second jack component all set up in the annular sleeve, the annular sleeve can be plugged into in the groove.

According to some embodiments of the utility model, the outer wall of annular cover is provided with sealed bulge loop, sealed bulge loop with the inner wall sealing connection of recess.

According to some embodiments of the invention, the bottom of the groove is provided with a sealing gasket, the end abutment or the crimping of the annular sleeve said sealing gasket.

According to some embodiments of the utility model, be provided with at least one location portion in the annular cover, be provided with the constant head tank with this location portion matched with on the recess.

According to the utility model discloses a some embodiments, be provided with the third contact pin subassembly on the plug, be provided with coupling assembling on the socket, the third contact pin subassembly with coupling assembling electrical connection.

According to some embodiments of the present invention, the third pin assembly has a plurality of and is distributed along a circumference of the first pin assembly.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a socket according to an embodiment of the present invention;

fig. 2 is an exploded view of a plug according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an elastic grid according to an embodiment of the present invention;

fig. 4 is an assembly view of a plug and socket connection according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view illustrating a connection between a plug and a socket according to an embodiment of the present invention.

Wherein: a socket 100; a first pin assembly 101; a second pin assembly 102; a recess 103; gasket seal 104 locates groove 105; a connection assembly 106; a plug 200; a first jack assembly 201; a second jack assembly 202; an annular sleeve 203; a sealing convex ring 204; a third pin assembly 206; an elastic grid 300, a metal ring 301.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

An electrical connector includes a receptacle 100 and a header 200 that are mated to one another.

Referring to the socket 100 of fig. 1, a first pin assembly 101 is disposed thereon, and a second pin assembly 102 is disposed in the first pin assembly 101, specifically, one end of the first pin assembly 101 is in a sleeve shape, and the other end of the first pin assembly 101 is provided with a through hole or a blind hole for connecting a cable, while one end of the second pin assembly 102 is in a cylindrical shape and is accommodated in the first pin assembly 101, and the other end of the second pin assembly 102 is also provided with a through hole or a blind hole for connecting a cable, it should be noted that the first pin assembly 101 is not in contact with the second pin assembly 102, so as to avoid short circuit.

Referring to the plug 200 of fig. 2, a first socket component 201 is arranged on the plug 200, a second socket component 202 is arranged in the first socket component 201, the first socket component 201 is correspondingly connected with the first pin component 101, and the second socket component 202 is correspondingly connected with the second pin component 102, specifically, one end of the first socket component 201 and one end of the second socket component 202 are both in a sleeve shape, one end of the second socket component 202 is accommodated in one end of the first socket component 201 and is not in contact with the first socket component 201, so as to avoid short circuit; in some embodiments, the other end of the first jack assembly 201 and the other end of the second jack assembly 202 are each provided with a through hole or blind hole for connecting a cable.

It should be noted that two ends of the first pin assembly 101 are not coaxial, and the purpose is to avoid the second pin assembly 102, that is, the second pin assembly 102 can be set as a coaxial metal cylinder; the two ends of the first jack component 201 are not coaxial, and the purpose is to avoid the second jack component 202, that is, the sleeve-shaped end of the second jack component 202 and the other end provided with the through hole or the blind hole can be arranged coaxially, so that the design ensures that the plug 200 and the socket 100 have compact structures, and the volume of the electric connector is reduced.

Referring to fig. 1 to 3, an elastic grating 300 is disposed on the first socket assembly 201 and/or the second socket assembly 202, in this embodiment, the elastic grating 300 is disposed on each of the first socket assembly 201 and the second socket assembly 202, the elastic grating 300 is used for elastically pressing the first pin assembly 101 and the second pin assembly 102, that is, when the plug 200 is connected to the socket 100, the first pin assembly 101 is inserted into the first socket assembly 201 and the first pin assembly 101 is ensured to be in good contact with the second pin assembly 102 through the elastic grating 300, and the second pin assembly 102 is also in good contact with the second socket assembly 202 through another elastic grating 300; it should be noted that the elastic grid 300 is made of a conductive material, and the elastic grid 300 is sleeved in the first socket assembly 201 and the second socket assembly 202.

In some embodiments, referring to fig. 3, the first pin assembly 101 and the second pin assembly 102 are both provided with an elastic grid 300, the elastic grid 300 is in a sleeve shape and gradually concaves from both ends to the middle toward the axial center, the elastic grid 300 can be formed by winding a metal sheet and is provided with a plurality of waist-shaped holes or rectangular holes on the side wall, and after the metal sheet is wound, both ends of the metal sheet are reversely screwed to increase the elastic restoring force of the elastic grid 300.

In some embodiments, as shown in fig. 3, two ends of the elastic grille 300 are further provided with integrally formed metal rings 301, that is, the elastic grille 300 may be formed by forming a plurality of waist-shaped holes or rectangular holes on a metal sheet and then winding the metal sheet, and at this time, the upper and lower ends of the elastic grille 300 are in the shape of the metal rings 301, such a design ensures the structural strength of the elastic grille 300, and prevents the elastic grille 300 from deforming after repeated insertion and extraction.

Referring to fig. 4 and 5, in some embodiments, the plug 200 includes a raised annular sleeve 203, the socket 100 includes a recess 103, the first jack assembly 201 and the second jack assembly 202 are both disposed in the annular sleeve 203, the annular sleeve 203 is insertable into the recess 103, that is, the annular sleeve 203 is raised from one end surface of the plug 200, the first end of the first jack assembly 201 and the one end of the second jack assembly 202 are both inserted through the plug 200 and received in the annular sleeve 203, the other end of the first jack assembly 201 and the other end of the second jack assembly 202 are disposed relatively parallel to the other end surface of the plug 200, the first pin assembly 101 and the second pin assembly 102 are also disposed in the recess 103 of the socket 100 in a similar structure, and in use, the annular sleeve 203 on the plug 200 is correspondingly inserted into the recess 103 of the socket 100, and the first jack assembly is inserted into the first pin assembly 101, the second jack assembly 202 is inserted into the second pin assembly 102, and the outer wall of the second jack assembly 202 does not contact the inner wall of the first pin assembly 101; in some embodiments, the annular protrusion capable of being received in the annular sleeve 203 is further disposed in the groove 103, which aims to increase the connection strength between the plug 200 and the socket 100, i.e., to avoid that when a radial force is generated between the plug 200 and the socket 100 due to a manual misoperation, which means a bending of the socket assembly and the pin assembly due to a manual misoperation, the radial force is borne by the annular protrusion and the inner wall of the groove 103, so as to avoid damaging the pin assembly and the socket assembly.

In some embodiments, referring to fig. 5, the outer wall of the annular sleeve 203 is provided with a sealing convex ring 204, the sealing convex ring 204 is connected with the inner wall of the groove 103 in a sealing manner, specifically, the sealing convex ring 204 is made of sealing plastic and has at least one, when the plug 200 is matched with the socket 100 for use, the plug 200 is inserted into the socket 100 and the sealing convex ring 204 is pressed to tightly connect the outer surface of the sealing convex ring 204 with the inner wall of the groove 103, so that the sealing performance between the plug 200 and the socket 100 is enhanced.

In some embodiments, referring to fig. 5, the bottom of the groove 103 is provided with a sealing gasket 104, and the end of the annular sleeve 203 is pressed against the sealing gasket 104, and in particular, the plug 200 is inserted into the socket 100 and can be fixed relative to the socket 100 by screwing or bolting, and at this time, the end of the annular sleeve 203 is pressed against the bottom of the groove 103 and presses the sealing gasket 104 to enhance the sealing performance between the plug 200 and the socket 100.

In some embodiments, referring to fig. 1 and 5, at least one positioning portion is disposed in the annular sleeve 203, and the groove 103 is provided with a positioning groove 105 matching with the positioning portion, in this embodiment, the positioning portion has two symmetrically disposed positioning portions, and the two positioning portions are integrally formed with the annular sleeve 203, and the positioning groove 105 is in the circumferential direction of the annular protrusion, which aims to ensure the accurate alignment of the plug 200 and the socket 100.

In some embodiments, as shown in fig. 1 and fig. 2, the plug 200 is further provided with a third pin assembly 206, the socket 100 is provided with a connection assembly 106 electrically connected to the third pin assembly 206, the third pin assembly 206 may be an integrally formed metal pin body, and one end of the third pin assembly, which is relatively far away from the connection assembly 106, is provided with a slot portion for conveniently connecting a signal pin, that is, when the plug 200 is connected to the socket 100, not only current but also signals can be conducted, that is, the first pin assembly 101 and the first jack assembly 201, and the second pin assembly 102 and the second jack assembly 202 are correspondingly connected to each other to conduct current, and the third pin assembly 206 and the connection assembly 106 are correspondingly connected to each other to conduct signals.

In some embodiments, as shown in fig. 1 and fig. 2, the number of the third pin assemblies 206 is several and is distributed along the circumferential direction of the first pin assembly 101, and this embodiment is illustrated by using four third pin assemblies 206 distributed along the circumferential direction, specifically, the third pin assemblies 206 pass through the plug 200 and are accommodated in the annular sleeve 203, the connecting assembly 106 may also be in a metal pin shape, and the third pin assemblies and the connecting assembly 106 may be in elastic contact connection; in other embodiments, the connection component 106 may also be a metal pin body that is blind-hole-shaped and connected to one end of the third pin component 206, that is, the third pin component 206 and the connection component 106 may also be electrically connected in a hole-shaft plugging manner.

In some embodiments, a spring is further sleeved on the third pin assembly 206, that is, when the third pin assembly 206 is crimped to the connecting assembly 106, the third pin assembly 206 can stretch out and draw back through the spring, so that the third pin assembly 206 is prevented from crushing the connecting assembly 106, the third pin assembly 206 can be ensured to be elastically crimped to the connecting assembly 106, and the third pin assembly 206 and the connecting assembly 106 can be stably connected.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An electrical connector, comprising:

the socket (100) is provided with a first pin component (101), and a second pin component (102) is arranged in the first pin component (101);

the plug (200) can be plugged into the socket (100) and is provided with a first jack component (201), a second jack component (202) is arranged in the first jack component (201), the first jack component (201) is correspondingly connected with the first pin component (101), and the second jack component (202) is correspondingly connected with the second pin component (102);

an elastic grid (300) arranged on the first socket assembly (201) and/or the second socket assembly (202), the elastic grid (300) being used for elastically pressing the first pin assembly (101) and/or the second pin assembly (102).

2. The electrical connector of claim 1, wherein the resilient grid (300) is sleeve-shaped and is inwardly concave from both ends towards the center.

3. Electrical connector according to claim 1 or 2, characterized in that the resilient grid (300) is further provided with an integrally formed metal ring (301) at both ends.

4. An electrical connector according to claim 1, characterized in that one end of the first socket member (201) and/or the second socket member (202) is sleeve-shaped and the other end is provided with a through-hole or blind hole for connecting a cable.

5. An electrical connector according to claim 1, characterized in that the plug (200) comprises a raised annular sleeve (203) and the socket (100) comprises a groove (103), the first jack assembly (201) and the second jack assembly (202) each being arranged within the annular sleeve (203), the annular sleeve (203) being insertable into the groove (103).

6. The electrical connector according to claim 5, characterized in that the outer wall of the annular sleeve (203) is provided with a sealing collar (204), the sealing collar (204) being in sealing connection with the inner wall of the groove (103).

7. Electrical connector according to claim 5, characterized in that the bottom of the recess (103) is provided with a sealing gasket (104), the end of the annular sleeve (203) being crimped against the sealing gasket (104).

8. The electrical connector of claim 5, wherein at least one positioning portion is arranged in the annular sleeve (203), and the groove (103) is provided with a positioning groove (105) matched with the positioning portion.

9. The electrical connector of claim 1, wherein a third pin assembly (206) is disposed on the plug (200), and a connection assembly (106) is disposed on the socket (100), wherein the third pin assembly (206) is electrically connected to the connection assembly (106).

10. The electrical connector of claim 9, wherein the third pin assembly (206) is several and distributed along a circumference of the first pin assembly (101).