CN218215742U

CN218215742U - Binding post and rifle that charges

Info

Publication number: CN218215742U
Application number: CN202221461333.0U
Authority: CN
Inventors: 徐文军; 张强; 杨腾
Original assignee: Shenzhen Woer Heat Shrinkable Material Co Ltd; Shenzhen Woer New Energy Electric Technology Co Ltd
Current assignee: Shenzhen Woer New Energy Electric Technology Co Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2023-01-03
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a binding post and rifle that charges for the connecting cable, binding post is including dismantling the connection's connection terminal and contact pin, the cable is located the connection terminal is kept away from the one end of contact pin, and with the connection terminal welding. The utility model provides a binding post and rifle that charges has solved the unstable technical problem that charges of present charging terminal.

Description

Binding post and rifle that charges

Technical Field

The utility model relates to a new energy automobile technical field that charges especially relates to a binding post and rifle that charges.

Background

With the development of society and the improvement of environmental awareness of people, new energy automobiles are favored by more and more consumers, the importance of charging accessories related to the new energy automobiles is gradually highlighted, and a charging terminal is one of extremely important components in the new energy automobile industry. The cable and the charging gun head are connected through the charging terminal, so that the charging of the new energy automobile is realized by the charging gun. However, the conventional charging terminal has poor stability in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a binding post and rifle that charges aims at solving the unstable technical problem that charges of present charging terminal.

In order to achieve the above object, an embodiment of the present invention provides a connection terminal for connecting a cable, the connection terminal includes a connection base and a contact pin which can be detachably connected, the cable is located the connection base is kept away from the one end of the contact pin, and the connection base is welded.

Optionally, in an embodiment of the present invention, the wire holder has a plate-shaped structure.

Optionally, in an embodiment of the present invention, the connection terminal further includes a positioning plate, the positioning plate is disposed on the connection seat facing the one end of the contact pin and extending toward the inner wall direction close to the charging head, and the contact pin is screwed with the positioning plate.

Optionally, in an embodiment of the present invention, the contact pin deviates from one end of the wire holder is provided with a notch for insertion of an installation tool.

Optionally, in an embodiment of the present invention, the notch is a straight line or a hexagon.

Optionally, in an embodiment of the present invention, the connection terminal further includes an insulating cap, the insulating cap deviates from the contact pin the connection can be disassembled to the one end of the connection base.

Optionally, in an embodiment of the present invention, the insulation cap includes a cap body and a connection post that are adjacent to each other, and the connection post extends into the notch and is detachably connected to the contact pin, so that the cap body covers the notch.

Optionally, in an embodiment of the present invention, the outer diameter of the cap body decreases gradually from the end close to the contact pin toward the end away from the contact pin.

Optionally, in an embodiment of the present invention, the groove bottom of the groove opening is provided with a threaded hole, and the connecting column is provided with an external thread adapted to the threaded hole.

In order to achieve the above object, an embodiment of the present invention provides a charging gun, including the gun body, locating the head that charges of the gun body tip and locating the inside binding post of head that charges, binding post is the binding post of above description.

Compared with the prior art, the utility model provides an among the technical scheme, be connected binding post's connection terminal and cable through ultrasonic bonding and fix, reduced the contact impedance between cable and the binding post, improved binding post stability when charging. In addition, set binding post to the split type structure that can dismantle the connection terminal seat and the contact pin of connecting, wherein the connection terminal seat can be used for with cable fixed connection, the contact pin can be used for being connected the conduction circuit with the charging seat. The contact pin can take place certain wearing and tearing after long-time frequent plug is used, only need pull down the contact pin from binding post this moment, maintain or change can. And the whole wiring terminal does not need to be replaced, so that the maintenance difficulty and the cost of the wiring terminal are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a first schematic structural view of a connection terminal according to an embodiment of the present invention;

fig. 2 is a schematic view of an explosion structure of an embodiment of the connection terminal of the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of the connection terminal of the present invention;

fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 3.

The reference numbers indicate:

reference numerals	Name(s)	Reference numerals	Name (R)
				100	Wire holder	200	Pin insertion
210	Notch opening	300	Positioning plate
				400	Insulating cap	410	Cap body
420	Connecting column

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope protected by the embodiments of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions related to "first", "second", and the like in the embodiments of the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the embodiments of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" and the like are to be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention can be combined with each other, but it is necessary to use a person having ordinary skill in the art as a basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope claimed by the embodiments of the present invention.

With the popularization of new energy, more and more transportation vehicles using electricity as energy in the market at present increase, and the charging demand also increases. The charging gun and the charging seat are indispensable devices for charging the electric vehicle, and particularly, the charging terminal in the charging gun is an indispensable key component for ensuring smooth charging. On one hand, after the charging terminal is fixedly connected with the cable, the contact impedance between the charging terminal and the cable can affect the charging stability. On the other hand, after the charging terminal is frequently inserted and pulled for use, the surface coating is worn, the service life is influenced, if the charging terminal is not replaced in time, charging equipment can be damaged, and in case of serious condition, the automobile can be damaged, and even the life safety of charging personnel is threatened. However, the conventional charging terminal has a large contact resistance with the cable, which is disadvantageous to the charging stability. Simultaneously, the integral type structure of charging terminal for charging terminal's cost of maintenance is higher.

In view of this, the embodiment of the present invention provides a connection terminal and charging gun, which sets the connection terminal to a split structure including a connection base and a contact pin, wherein the connection base can be used to connect a cable, and the contact pin can be used to connect a charging seat conduction circuit. Moreover, the connection can be dismantled between connection terminal and the contact pin, in daily use, only need to dismantle the contact pin maintain change can, avoid changing whole binding post to reduce cost of maintenance. In addition, the wire holder and the cable are fixed through ultrasonic welding, so that contact resistance between the wire holder and the cable can be reduced, and charging stability is provided.

In order to better understand the technical scheme, the technical scheme is described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the present invention provides a connection terminal for connecting a cable, the connection terminal includes a connection holder 100 and a contact pin 200, the connection holder 100 can be disassembled to connect with the contact pin 200, and the cable is disposed at one end of the connection holder 100, which is far away from the contact pin 200, and is welded to the connection holder 100.

In the technical scheme that this embodiment adopted, be connected fixedly with binding post's wire holder 100 and cable through ultrasonic bonding, reduced the contact impedance between cable and the binding post, improved the stability of binding post when charging. In addition, the connection terminal is set to be a split structure of a connection base 100 and a contact pin 200 which can be detachably connected, wherein the connection base 100 can be used for being fixedly connected with a cable, and the contact pin 200 can be used for being connected with a charging seat to conduct a circuit. The contact pin 200 can be worn to a certain extent after being frequently plugged and pulled for a long time, and at the moment, the contact pin 200 only needs to be detached from the wiring terminal for maintenance or replacement. And the whole wiring terminal does not need to be replaced, so that the maintenance difficulty and the cost of the wiring terminal are reduced.

Specifically, the connection terminal provided in this embodiment can be applied to a charging socket of a new energy electric vehicle, and is connected with a plug terminal or a socket of a power supply component to realize charging. The connection terminal in this embodiment may include the wire holder 100 and the contact pin 200, and the wire holder 100 may be connected and fixed with the cable, preferably, the wire holder 100 and the cable are ultrasonically welded, which may reduce contact impedance and improve charging stability. The pin 200 can be electrically connected to a charging socket to conduct a circuit for charging. The wire holder 100 and the pin 200 are detachably connected, and may be, for example, clamped, screwed, or the like. So set up, can make things convenient for the dismouting of contact pin 200, realize contact pin 200's independent maintenance or change to reduce use cost. In this embodiment, the wire holder 100 and the pin 200 may be made of copper alloy or pure copper, and generally need to be surface-treated with nickel plating, silver plating, etc. to improve the electrical conductivity.

In one embodiment, the wire holder 100 has a plate-like structure. So set up, can provide smooth face of weld for the welding of connection terminal 100 and cable, not only can conveniently carry out welding operation, can also improve the welded reliability.

Further, referring to fig. 1, fig. 2 and fig. 4, in an embodiment of the present invention, the connection terminal further includes a positioning plate 300, the positioning plate 300 is disposed on the connection terminal 100 and extends toward one end of the contact pin 200 and toward the inner wall direction close to the charging head, and the contact pin 200 is screwed with the positioning plate 300. Specifically, the positioning plate 300 and the charging head are cooperatively positioned, so that the charging terminal can be accurately mounted in the charging head. In one embodiment, the center of the positioning plate 300 is located on the central axis of the wire holder 100, and the outer diameter of the positioning plate 300 is larger than the outer diameter of the wire holder 100, so that the periphery of the positioning plate 300 can be positioned in cooperation with the charging head.

Further, referring to fig. 2 and 4, in an embodiment of the present invention, an end of the contact pin 200 facing away from the wire holder 100 is provided with a notch 210 for insertion of an installation tool. When the insertion pin 200 is replaced, the insertion pin 200 can be conveniently disassembled and assembled by matching the installation tools such as a screwdriver and a wrench with the arranged notch 210. Preferably, the shape of the notch 210 may be a general straight line shape or a hexagonal shape, which is not limited herein.

Further, referring to fig. 1, fig. 2 and fig. 4, in an embodiment of the present invention, the connection terminal further includes an insulation cap 400, and the insulation cap 400 is detachably connected to an end of the contact pin 200 away from the connection base 100. With such an arrangement, the user can be prevented from touching the pin 200 with his/her hand to cause an electric shock hazard. Preferably, the insulation cap 400 may be made of an insulating plastic or a high temperature resistant nylon material. For convenient disassembly and assembly, the insulation cap 400 and the pin 200 can be detachably connected, such as threaded connection, interference fit, snap connection and the like.

Further, referring to fig. 2 and 4, in an embodiment of the present invention, the insulation cap 400 includes a cap body 410 and a connection post 420 that are adjacent to each other, and the connection post 420 extends into the notch 210 to be detachably connected with the pin 200, so that the cap body 410 covers the notch 210. Wherein the cap body 410 may be used to cover the notch 210 and the connection post 420 may be used to enable a detachable connection with the pin 200. The cap body 410 and the connecting post 420 may be made of the same material, i.e., both insulating materials. The insulation cap 400 is formed by manufacturing the connection column 420 and the cap body 410 with the same material, and only one-time feeding is needed during production, so that the input cost can be reduced, and the integral forming of the insulation cap 400 is facilitated. Of course, in other embodiments, the cap body 410 and the connection post 420 may be made of different materials, that is, the cap body 410 is made of an insulating material, and the connection post 420 is made of a metal material, so that the structural strength of the connection post 420 can be improved.

Further, in an embodiment of the present invention, the outer diameter of the cap body 410 decreases from the end close to the pin 200 to the end far away from the pin 200. So set up, on the basis that guarantee cap body 410 covers contact pin 200, reduce the use of material, reduce cap body 410's whole weight, be favorable to binding post's smallness, can also reduce cost. Preferably, the cap body 410 is a cone.

Further, in an embodiment of the present invention, the groove bottom of the groove opening 210 is provided with a threaded hole, and the connecting column 420 is provided with an external thread adapted to the threaded hole, so that the insulation cap 400 and the contact pin 200 can be easily and conveniently detached from each other.

In order to achieve the above object, an embodiment of the present invention provides a charging gun, including the gun body, the charging head located at the end of the gun body and the connecting terminal located inside the charging head, wherein the connecting terminal is the connecting terminal described above. Specifically, the specific structure of the optical filter switcher refers to the above embodiment, and since the charging gun adopts all technical solutions of the above embodiment, at least all beneficial effects brought by the technical solutions of the above embodiment are achieved, and no further description is given here.

The above is only the preferred embodiment of the present invention, and the patent scope of the embodiments of the present invention is not limited thereby, and all the equivalent structure changes made by the embodiment of the present invention and the attached drawings or the direct/indirect application in other related technical fields are included in the patent protection scope of the embodiments of the present invention.

Claims

1. The utility model provides a binding post for connect the cable, its characterized in that, binding post is including dismantling the connection terminal and contact pin, the cable is located the connection terminal is kept away from the one end of contact pin, and with the connection terminal welding.

2. The terminal of claim 1, wherein the socket is a plate-like structure.

3. The connection terminal of claim 2, further comprising a positioning plate disposed at an end of the terminal holder facing the contact pin and extending toward an inner wall of the charging head, wherein the contact pin is threadedly engaged with the positioning plate.

4. A terminal as claimed in any one of claims 1 to 3, wherein the end of the pin facing away from the socket is provided with a notch into which an installation tool can be inserted.

5. The terminal as claimed in claim 4, wherein the notch is in the shape of a straight line or a hexagon.

6. The terminal of claim 4, further comprising an insulative cap removably attached to an end of the pin facing away from the socket.

7. The wire connecting terminal of claim 6 wherein the insulative cap includes adjacent cap body and connecting post extending into the notch for removable connection with the pin such that the cap body covers the notch.

8. The terminal as claimed in claim 7, wherein the cap body has an outer diameter that decreases from an end adjacent to the pin toward an end remote from the pin.

9. The terminal according to claim 7, wherein the bottom of the notch is provided with a threaded hole, and the connecting post is provided with an external thread adapted to the threaded hole.

10. A charging gun, comprising a gun body, a charging head arranged at the end part of the gun body and a connecting terminal arranged inside the charging head, wherein the connecting terminal is the connecting terminal according to any one of claims 1 to 9.