CN108429043B

CN108429043B - Charging gun with elastic contact pin terminal

Info

Publication number: CN108429043B
Application number: CN201810365564.3A
Authority: CN
Inventors: 徐忠良; 刘悦; 钟荣栋; 邱显葵; 叶胜军
Original assignee: Dongguan Qudian Intelligent Technology Co Ltd
Current assignee: Dongguan Qudian Intelligent Technology Co Ltd
Priority date: 2018-04-23
Filing date: 2018-04-23
Publication date: 2020-07-14
Anticipated expiration: 2038-04-23
Also published as: CN108429043A

Abstract

The charging gun with the elastic pin terminals comprises a gun body and a plurality of pin terminals arranged at the front end part of the gun body, wherein elastic structures are arranged on the outer sides of the pin terminals and can elastically deform in the radial direction of the pin terminals. Compared with the prior art, the elastic structure capable of elastically deforming is arranged on the outer side of the contact pin terminal, so that in actual use, when the charging gun is inserted into the charging seat of the automobile, the contact pin terminal can be correspondingly inserted into the jack, and the elastic structure on the outer side of the contact pin terminal can elastically deform, so that the larger friction between the traditional contact pin terminal and the jack is avoided, the abrasion between the contact pin terminal and the jack is reduced, and the service lives of the charging gun and the jack of the charging seat of the electric automobile are prolonged.

Description

Charging gun with elastic contact pin terminal

Technical Field

The invention relates to the technical field of charging piles, in particular to a charging gun with elastic contact pin terminals.

Background

The electric vehicle (BEV) is a vehicle which takes a vehicle-mounted power supply as power and drives wheels by a motor, and meets various requirements of road traffic and safety regulations. Because the electric automobile has smaller influence on the environment compared with the traditional automobile, the prospect of the electric automobile is widely seen. The popularization rate of the electric vehicle is higher and higher in recent years, and the problem of how to effectively charge the electric vehicle in time is solved. As a special device for timely charging products such as convenient electric vehicles, the charging pile receives wide attention and recognition once coming out.

The market demand of electric vehicles such as pure electric vehicles and hybrid electric vehicles is continuously expanded, and the demand of charging guns is further and more increased. Fill electric pile and generally include stake body, cable and the rifle that charges, the rifle that charges passes through the cable and is connected with the stake body. The charging gun generally includes a gun body and a pin terminal provided at a front end portion of the gun body, the pin terminal being connected to the cable, the pin terminal including a charging terminal and a communication terminal. During the use, the charging seat of car is inserted to the rifle body, and the hole that charges in charging terminal and the charging seat is pegged graft in order to charge, and the jack in communication terminal and the charging seat is pegged graft and has been carried out the signal interaction. However, the pin terminals in the conventional charging gun are hard, the jack of the charging stand of the automobile is hard or the inner wall of the jack is elastic. When the hard pin terminal is plugged into the jack of the charging seat for a long time, the inner wall of the jack is easily damaged, and even the jack is damaged, so that the charging seat needs to be replaced. In addition, because of need to guarantee when rifle and the plug of charging seat plug and insert power at the national standard within range, the rifle head size design that charges must guarantee to keep certain clearance between contact pin terminal and the charging seat inner wall, this clearance must lead to the rifle that charges to insert and can not insert coaxial completely when the charging seat, the rifle hard terminal that charges when inserting can form unilateral too big extrusion force to the charging seat inner wall, the surface of contact pin terminal is also worn and torn easily after long-term plug, lead to the cladding to drop, and then influence electric conductive property communication signal quality, shorten the life of rifle that charges.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides the charging gun with the elastic pin terminal, which reduces the abrasion between the pin terminal and the inner wall of the automobile charging seat, ensures the quality of communication signals and prolongs the service life of the charging gun.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a take rifle that charges of elasticity contact pin terminal, be in including rifle body and setting a plurality of contact pin terminal of the preceding tip of rifle body, the outside of contact pin terminal is provided with elastic construction, elastic construction can produce radial direction elastic deformation when contact pin terminal pressurized.

The elastic structure is an elastic sheet, two end parts of the elastic sheet are respectively fixed at two end parts of the contact pin terminal, and the middle part of the elastic sheet is arched outwards.

Wherein, every contact pin terminal corresponds and is provided with more than two the flexure strip.

The elastic structure is an elastic sleeve, two end parts of the elastic sleeve are respectively fixed at two end parts of the contact pin terminal, and the middle part of the elastic sleeve is arched outwards.

Wherein, be integrated structure between elastic construction and the contact pin terminal.

Wherein, the elastic structure with can dismantle between the contact pin terminal and be connected.

The front end part of the elastic structure is bent to form a front bending part, and the front bending part is attached to the front end surface of the pin terminal; the front end part of the pin terminal is provided with a front axial hole, the front end part of the pin terminal is provided with a knob, and the knob and the front axial hole are fixedly connected and clamp the front bending part together.

Wherein, threaded connection between the knob and the axial hole.

The pin terminal comprises a tailstock and a terminal body, the rear end of the elastic structure is bent to form a rear bending part, the rear bending part is located between the tailstock and the terminal body, and the tailstock and the terminal body are fixedly connected and clamp the rear bending part together.

Wherein, threaded connection between tailstock and the terminal body.

The invention has the beneficial effects that:

the charging gun with the elastic pin terminals comprises a gun body and a plurality of pin terminals arranged at the front end part of the gun body, wherein elastic structures are arranged on the outer sides of the pin terminals, and the elastic structures can elastically deform in the radial direction when the pin terminals are pressed. Compared with the prior art, the elastic structure capable of elastically deforming is arranged on the outer side of the pin terminal, so that in actual use, when the charging gun is inserted into the charging seat of the automobile, the pin terminal can be correspondingly inserted into the jack of the charging seat, the elastic structure on the outer side of the pin terminal can elastically deform, and the pin terminal and the jack are prevented from being greatly rubbed, so that abrasion between the pin terminal and the jack is reduced, the communication signal quality is guaranteed, and the service lives of the charging gun and the jack of the charging seat of the electric automobile are prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a charging gun with an elastic pin terminal in an embodiment.

Fig. 2 is a schematic structural diagram of a pin terminal in the embodiment.

Fig. 3 is a schematic cross-sectional view of fig. 2.

Fig. 4 is a schematic structural diagram of another pin terminal according to the embodiment.

Reference numerals:

a gun body 1;

pin terminal 2, knob 21, tail seat 22, terminal body 23;

elastic structure 3, front bend 31, back bend 32.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.

The rifle that charges of area elasticity contact pin terminal of this embodiment, as shown in fig. 1 to 3, including rifle body 1 and a plurality of contact pin terminal 2 of setting at the front end of rifle body 1, the outside of contact pin terminal 2 is provided with elastic construction 3, and elastic construction 3 can be at contact pin terminal 2's radial direction elastic deformation, and contact pin terminal 2's the signal of telecommunication through elastic construction 3 transmission to the jack of outlying car, and elastic construction 3 is the metal material. Compared with the prior art, the elastic structure 3 capable of elastically deforming is arranged on the outer side of the pin terminal 2, so that in actual use, when the charging gun is inserted into a charging seat of an automobile, the pin terminal 2 can be correspondingly inserted into the jack, and the elastic structure 3 on the outer side of the pin terminal 2 can elastically deform, so that large friction between the traditional pin terminal 2 and the jack is avoided, abrasion between the pin terminal 2 and the jack is reduced, communication signal quality is guaranteed, and the service life of the charging gun is prolonged.

Specifically, the elastic structure 3 is an elastic piece, two end portions of the elastic piece are respectively fixed to two end portions of the pin terminal 2, and a middle portion of the elastic piece is arched outwards. For the purpose of balanced stress and smooth plugging, each pin terminal 2 is correspondingly provided with two elastic pieces, and the two elastic pieces are located at opposite sides of the pin terminal 2, but actually, the number of the two elastic pieces may be more than two.

Alternatively, the elastic structure 3 is an elastic sleeve, two end portions of the elastic sleeve are respectively fixed to two end portions of the pin terminal 2, and a middle portion of the elastic sleeve is arched outward. The elastic sleeve can surround the whole pin terminal 2, the plugging is smoother, and the whole pin terminal 2 can be protected.

In practice, the elastic structure 3 and the pin terminal 2 may be integrated, and as shown in fig. 4, both ends of the elastic structure 3 are attached and fixed to the surface of the pin terminal 2. Or the inside of the pin terminal 2 is hollow, and the side wall is an outward arched elastic strip at intervals, so that the structure is more compact.

In addition, the elastic structure 3 and the pin terminal 2 may be detachably connected, as shown in fig. 2 and 3, the specific structure is that the front end portion of the elastic structure 3 is bent to form a front bent portion 31, and the front bent portion 31 is attached to the front end surface of the pin terminal 2; the front end part of the pin terminal 2 is provided with a front axial hole, the front end part of the pin terminal 2 is provided with a knob 21, the knob 21 is in threaded connection with the axial hole, and the knob 21 and the front axial hole are fixedly connected and clamp the front bending part 31 together. The pin terminal 2 includes a tail seat 22 and a terminal body 23, the rear end portion of the elastic structure 3 is bent to form a rear bending portion 32, the rear bending portion 32 is located between the tail seat 22 and the terminal body 23, the tail seat 22 and the terminal body 23 are fixedly connected and clamp the rear bending portion 32 together, and the tail seat 22 and the terminal body 23 are connected through threads.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a rifle that charges of area elasticity contact pin terminal which characterized by: the gun comprises a gun body and a plurality of pin terminals arranged at the front end part of the gun body, wherein elastic structures are arranged on the outer sides of the pin terminals and can elastically deform in the radial direction of the pin terminals;

the elastic structure is detachably connected with the pin terminal; the pin terminal is divided into three parts, namely a tailstock, a terminal body and a knob arranged at the front end part of the terminal body;

the front end part of the elastic structure is bent to form a front bending part, and the front bending part is attached to the front end surface of the pin terminal;

the front end part of the pin terminal is provided with a front axial hole, and the knob is fixedly connected with the front axial hole and clamps the front bending part together;

the rear end part of the elastic structure is bent to form a rear bending part, the rear bending part is located between the tailstock and the terminal body, and the tailstock and the terminal body are fixedly connected and clamp the rear bending part together.

2. The charging gun with elastic pin terminals as claimed in claim 1, wherein: the elastic structure is an elastic sheet, two end parts of the elastic sheet are respectively fixed at two end parts of the contact pin terminal, and the middle part of the elastic sheet is arched outwards.

3. The charging gun with elastic pin terminals as claimed in claim 2, wherein: each contact pin terminal is correspondingly provided with more than two elastic sheets.

4. The charging gun with elastic pin terminals as claimed in claim 1, wherein: the elastic structure is an elastic sleeve, two end parts of the elastic sleeve are respectively fixed at two end parts of the contact pin terminal, and the middle part of the elastic sleeve is arched outwards.

5. The charging gun with elastic pin terminals as claimed in claim 1, wherein: the knob is in threaded connection with the axial hole.

6. The charging gun with elastic pin terminals as claimed in claim 1, wherein: the tailstock is in threaded connection with the terminal body.