CN112803190A

CN112803190A - Conductive connector with replaceable sleeve

Info

Publication number: CN112803190A
Application number: CN202110145225.6A
Authority: CN
Inventors: 张志超; 邓永华; 邓忠平; 杨仲
Original assignee: Dongguan Xingyu Electronic Technology Co ltd
Current assignee: Dongguan Xingyu Electronic Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-05-14

Abstract

The invention discloses a conductive connector with a replaceable sleeve, which comprises a jack contact element, a contact pin, a wrench tooth mouth and a sheath, wherein the end head of the jack contact element is movably connected with one end of the replaceable sleeve, the contact pin is arranged at one end of the replaceable sleeve, the jack contact element consists of a cable crimping head, the wrench tooth mouth and a large sleeve, the cable crimping head is arranged at one end of the jack contact element, the other end of the jack contact element is connected with the large sleeve, one end of a first torsion spring is clamped inside the large sleeve, the end head of the splicing head is connected with a small sleeve, a sheet coil is fixed at the end head of a second torsion spring, and the sheath is adhered to the outer surface of the replaceable sleeve. This conductive connector with can replace sheathed tube can slow down the ageing of coil spring circle, and then extension conductive connector's life to can avoid the torsional spring to the mechanical wear that the contact pin caused, promote electric conductive property.

Description

Conductive connector with replaceable sleeve

Technical Field

The invention relates to the technical field of power supply connection of charging piles, in particular to a conductive connector with a replaceable sleeve.

Background

The conductive connector is mainly used for power connection of a charging pile, the conductive connector on the market at present mainly comprises a jack contact piece and a contact pin, and the contact pin is inserted into the contact piece to realize electric connection, so that the requirement on the service life of an element in the contact piece is higher, but the conventional conductive connector still has the following defects in the actual use process:

1. the conductive connector is easy to cause aging of a coil spring due to long-term plugging and unplugging, the conductive performance is influenced, the prior art can only replace the whole jack contact element and even cut a connected cable, the cost is very high, and the cable joint, the contact element sleeve and the sleeve of the traditional contact element are all closed spaces without pressure relief holes, so that wires are easy to be difficult to plug and unplugg due to vacuum negative pressure;

2. the torsional spring that prior art adopted needs to carry out the sheetmetal punching press in the course of working, forms sharp metal limit easily after the punching press, twists the reed into the spiral after, sharp metal limit can be partial to the contact pin, and long-term plug in-process causes mechanical wear to the contact pin easily, and the bars of traditional torsional spring is twisting the back simultaneously, and the bars are curled for a short time to the inboard, and when contact pin contact torsional spring, the area of contact of circular arc and torsional spring is less, and electric conductive property is weak.

In view of the above problems, innovative designs based on the original conductive connector are urgently needed.

Disclosure of Invention

The invention aims to provide a conductive connector with a replaceable sleeve, which aims to solve the problems that a spring in the conventional conductive connector is easy to age, a wire is difficult to insert and pull due to vacuum negative pressure, a pin is easy to be mechanically abraded and the conductivity is weak in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a conductive connector with a replaceable sleeve comprises a jack contact element, a contact pin, a wrench tooth mouth and a sheath, wherein the end of the jack contact element is movably connected with one end of the replaceable sleeve, the contact pin is arranged at one end of the replaceable sleeve, the jack contact element consists of a cable crimping head, the wrench tooth mouth and a large sleeve, the cable crimping head is arranged at one end of the jack contact element, the other end of the jack contact element is connected with the large sleeve, the wrench tooth mouth is arranged at the outer side of the joint of the large sleeve and the cable crimping head, pressure relief holes are reserved at the outer sides of the cable crimping head and the large sleeve, one end of a first torsion spring is clamped inside the large sleeve, a plug head is arranged at the other end of the first torsion spring, a small sleeve is connected at the end of the plug head, a second torsion spring penetrates through the inside of the small sleeve, and a sheet roll is fixed at the end of the second torsion spring, and the outside cover of piece book is equipped with the replacement sleeve pipe, the surface of replacement sleeve pipe is pasted and is had the sheath, and the side reservation of replacement sleeve pipe has the fixed slot.

Preferably, the replacement sleeve and the large sleeve are in threaded connection, and wrench teeth are arranged at the connection part of the replacement sleeve, the large sleeve and the cable crimping connector.

Preferably, the plug is connected with the first torsion spring in a clamping manner, and the plug is electrically connected with the jack contact piece.

Preferably, the grid corner of the second torsion spring is designed in an arc shape, and the upper end and the lower end of the grid are arranged in an inward extrusion mode.

Preferably, the end part of the grid of the second torsion spring is provided with an inner groove, the number of the second torsion springs is 2, and one of the second torsion springs is fixed with a sheet coil.

Compared with the prior art, the invention has the beneficial effects that: the conductive connector with the replaceable sleeve can slow down the aging of the coil spring coil, further prolong the service life of the conductive connector, avoid the mechanical abrasion of the torsion spring to the contact pin and improve the conductivity;

1. the replaceable sleeve replaces a contact pin to be directly inserted into the contact element, so that the phenomenon that the whole connector needs to be replaced due to the aging of a reed in the contact element is prevented, the pressure relief hole is formed in the replacement sleeve of the jack contact element, the influence of air pressure on the plugging and unplugging process is reduced, and lubricating oil can be filled into the pressure relief hole in the cable crimping head, the large sleeve and the replacement sleeve when a product is aged, so that a fastened element is easy to plug and unplug;

2. the grid corner of torsional spring adopts circular-arc design, can play the guard action to the contact pin surface, and reducing wear, the grid of torsional spring is to the inboard extrusion design simultaneously, increases the inward bending of grid, increases the area of contact of grid and contact pin.

Drawings

FIG. 1 is a schematic diagram of an exploded view of a receptacle contact according to the present invention;

FIG. 2 is a schematic view of the overall assembly structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the overall assembly of the present invention;

FIG. 4 is a schematic structural view of a second torsion spring according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.

In the figure: 1. a jack contact member; 2. replacing the sleeve; 3. inserting a pin; 4. a cable crimping head; 5. a wrench tooth mouth; 6. a large sleeve; 7. a pressure relief vent; 8. a first torsion spring; 9. a plug-in connector; 10. a small sleeve; 11. a second torsion spring; 111. an inner groove; 12. rolling the sheets; 13. a sheath; 14. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a conductive connector with a replaceable sleeve comprises a jack contact element 1, a replaceable sleeve 2, a contact pin 3, a cable crimping head 4, a wrench tooth mouth 5, a large sleeve 6, a pressure relief hole 7, a first torsion spring 8, a plug 9, a small sleeve 10, a second torsion spring 11, an inner groove 111, a sheet coil 12, a sheath 13 and a fixing groove 14, wherein the end head of the jack contact element 1 is movably connected with one end of the replaceable sleeve 2, the contact pin 3 is arranged at one end of the replaceable sleeve 2, the jack contact element 1 consists of the cable crimping head 4, the wrench tooth mouth 5 and the large sleeve 6, the cable crimping head 4 is arranged at one end of the jack contact element 1, the other end of the jack contact element 1 is connected with the large sleeve 6, the wrench tooth mouth 5 is arranged at the outer side of the joint of the large sleeve 6 and the cable crimping head 4, the pressure relief hole 7 is reserved at the outer side of the large sleeve 6, one end of the first torsion spring 8 is clamped inside the large sleeve 6, a plug 9 is arranged at the other end of the first torsion spring 8, a small sleeve 10 is connected to the end of the plug 9, a second torsion spring 11 penetrates through the small sleeve 10, a sheet coil 12 is fixed to the end of the second torsion spring 11, a replacement sleeve 2 is sleeved outside the sheet coil 12, a sheath 13 is adhered to the outer surface of the replacement sleeve 2, and a fixing groove 14 is reserved on the side surface of the replacement sleeve 2;

the replacement sleeve 2 and the large sleeve 6 are in threaded connection, a wrench tooth mouth 5 is arranged at the connection position of the replacement sleeve 2, the large sleeve 6 and the cable crimping connector 4, the plug connector 9 and the first torsion spring 8 are in clamping connection, the plug connector 9 and the jack contact element 1 are in electrical connection, the connector of the replacement sleeve 2 is inserted into the large sleeve 6 of the jack contact element 1, then the replacement sleeve 2 is screwed down through a wrench or a screwdriver, and the connector of the replacement sleeve 2 is in contact with the waist of the first torsion spring 8 in the jack contact element 1 and is electrified;

the grid corner of second torsional spring 11 adopts circular-arc design, and the inside extrusion setting in both ends about this grid, the grid tip of second torsional spring 11 is provided with inner groovy 111, and second torsional spring 11 is provided with 2, and be fixed with the piece book 12 on one of them second torsional spring 11, when inserting in second torsional spring 11 at contact pin 3, reduce mechanical friction, increase the area of contact of grid and contact pin 3, second torsional spring 11 when replacement sleeve pipe 2 is interior is ageing, lose original performance after, can be through changing replacement sleeve pipe 2, extension product life.

The working principle is as follows: as shown in fig. 1-5, firstly, the cable is inserted into the cable crimping head 4 of the jack contact element 1, and fixed, then the first torsion spring 8 is pressed into the sleeve of the jack contact element 1, the first torsion spring 8 is clamped on the inner wall of the large sleeve 6, the second torsion spring 11 is clamped into the small sleeve 10 of the replacement sleeve 2, then the sheet roll 12 is turned over and pressed on the outer edge of the small sleeve 10, then the sheath 13 is sleeved on the sheet roll 12, the sheet roll 12 is firmly clamped on the small sleeve 10 by the extrusion force, then the cable is inserted into the cable crimping head 4 of the insertion pin 3, fixed, then the joint of the replacement sleeve 2 is inserted into the large sleeve 6 of the jack contact element 1, then the replacement sleeve 2 is screwed by a wrench or a screwdriver, the joint of the replacement sleeve 2 is contacted with the waist of the first torsion spring 8 in the jack contact element 1, and mutually electrified, the insertion pin 3 is inserted into the second torsion spring 11 in the replacement sleeve 2, realize the circular arc design each other circular telegram, the grizzly bar side of second torsional spring 11 adopts, and both ends are inwards extruded about the grizzly bar, when contact pin 3 inserted in second torsional spring 11, reduce mechanical friction, increase grizzly bar and contact pin 3's area of contact, and second torsional spring 11 when replacing in the sleeve pipe 2 is ageing, loses original performance after, can be through changing replacement sleeve pipe 2, extension product life, and need not replace whole conductive connector.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. An electrically conductive connector with a replaceable ferrule comprising a socket contact (1), a pin (3), a wrench socket (5) and a sheath (13), characterized in that: the socket comprises a socket contact element (1), a socket contact element (1) and a replacement sleeve (2), wherein the socket contact element (1) is movably connected with one end of the replacement sleeve (2), a contact pin (3) is arranged at one end of the replacement sleeve (2), the socket contact element (1) consists of a cable crimping head (4), a wrench tooth opening (5) and a large sleeve (6), the cable crimping head (4) is arranged at one end of the socket contact element (1), the other end of the socket contact element (1) is connected with the large sleeve (6), the wrench tooth opening (5) is arranged on the outer side of the joint of the large sleeve (6) and the cable crimping head (4), pressure relief holes (7) are reserved on the outer sides of the cable crimping head (4) and the large sleeve (6), one end of a first torsion spring (8) is clamped inside the large sleeve (6), a splicing head (9) is arranged at the other end of the first torsion spring (8), and a small sleeve (10) is, and the inside of little sleeve (10) is run through and is had second torsional spring (11), the end department of second torsional spring (11) is fixed with the piece and rolls up (12), and the outside cover that the piece was rolled up (12) is equipped with replacement sleeve pipe (2), the surface paste of replacement sleeve pipe (2) has sheath (13), and the side reservation of replacement sleeve pipe (2) has fixed slot (14).

2. A conductive connector with a replaceable ferrule as in claim 1, wherein: the replacement sleeve (2) and the large sleeve (6) are in threaded connection, and wrench tooth openings (5) are arranged at the connection positions of the replacement sleeve (2), the large sleeve (6) and the cable crimping connector (4).

3. A conductive connector with a replaceable ferrule as in claim 1, wherein: the plug connector (9) is connected with the first torsion spring (8) in a clamping mode, and the plug connector (9) is electrically connected with the jack contact piece (1).

4. A conductive connector with a replaceable ferrule as in claim 1, wherein: the grid corner of the second torsion spring (11) is designed in an arc shape, and the upper end and the lower end of the grid are arranged in an inward extrusion mode.

5. A conductive connector with a replaceable ferrule as in claim 1, wherein: the end part of the grid of the second torsion spring (11) is provided with an inner groove (111), the number of the second torsion springs (11) is 2, and one second torsion spring (11) is fixed with a sheet coil (12).

6. A conductive connector with a replaceable ferrule as in claim 1, wherein: the working principle of the conductive connector is as follows: firstly, a cable is inserted into a cable crimping head (4) of a jack contact element (1) and fixed, then a first torsion spring (8) is pressed into a sleeve of the jack contact element (1), the first torsion spring (8) can be clamped on the inner wall of a large sleeve (6), a second torsion spring (11) is clamped into a small sleeve (10) on a replacement sleeve (2), then a sheet coil (12) is turned over and pressed on the outer edge of the small sleeve (10), then a sheath (13) is sleeved on the sheet coil (12), the sheet coil (12) is firmly clamped on the small sleeve (10) through extrusion force, then the cable is inserted into the cable crimping head (4) on a contact pin (3) and fixed, then a joint of the replacement sleeve (2) is inserted into the large sleeve (6) of the jack contact element (1), then the replacement sleeve (2) is screwed tightly through a spanner or a screwdriver, the joint of the replacement sleeve (2) is contacted with a waist part of the first torsion spring (8) in the jack contact element (1), switch on each other, insert contact pin (3) in second torsional spring (11) in replacement sleeve pipe (2), realize the circular arc design each other, the grating side of second torsional spring (11) adopts the circular arc design, both ends are inside to be extruded about the grating, when contact pin (3) insert in second torsional spring (11), reduce mechanical friction, increase the area of contact of grating and contact pin (3), second torsional spring (11) ageing in replacement sleeve pipe (2), lose original performance after, can be through changing replacement sleeve pipe (2), extension product life, and need not replace whole electrically conductive connector.