CN215070574U - Charging gun with replaceable gun head - Google Patents

Abstract

The utility model relates to a rifle that charges of removable rifle head, including rifle shell body (1), the front end of rifle shell body (1) even has a rifle head, the rifle head includes rifle head insulating seat (2), rifle head insulating seat (2) in-connection a set of interchangeable contact pin (3) of mutually supporting, in the front end embedding rifle head insulating seat (2) of interchangeable contact pin (3), the rear end is mutually supported with wiring contact pin (4), wiring contact pin (4) are connected on rifle shell body (1) through terminal fixing base (5), the rear end of wiring contact pin (4) links to each other with the rifle sinle silk that charges in rifle shell body (1). The utility model has the advantages that the rifle that will charge is two parts respectively, and the dismantlement and the change between rifle head and the rifle shell of being convenient for have reduced the cost of changing.

Description

Charging gun with replaceable gun head

Technical Field

The utility model belongs to the technical field of new energy automobile battery charging outfit technique and specifically relates to a rifle that charges of removable rifle head.

Background

Currently, the charging interface requires 10000 times of service life, the charging voltage is up to 1000V, and the charging current is up to 250A or even higher.

In the using process, the charging gun is frequently inserted and pulled, so that the inner terminal of the charging gun is easily abraded, the heating in the charging process is serious, and the potential safety hazard is caused; meanwhile, the charging gun is prone to fall on the ground due to improper operation, and the gun head is damaged. The rifle that charges on the existing market is after discovery terminal wearing and tearing or rifle head damage, and the whole piece rifle pencil that charges is changed under need disassembling, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is exactly for the rifle head fragile of current rifle that charges, the problem that the maintenance cost is high, provides the rifle that charges of removable rifle head, will charge the rifle and be two parts respectively, and the dismantlement and the change between the rifle head of being convenient for and the rifle shell have reduced the cost of changing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rifle that charges of removable rifle head, includes the rifle shell body, the front end of rifle shell body even has a rifle head, and the rifle head includes rifle head insulating seat, and the insulating inslot of rifle head connects a set of interchangeable contact pin of mutually supporting, and in the front end embedding rifle head insulating seat of interchangeable contact pin, the rear end is mutually supported with the wiring contact pin, and the wiring contact pin passes through the terminal fixing base and connects on the rifle shell body, and the rear end of wiring contact pin links to each other with the rifle sinle silk that charges in the rifle shell body to be used for switching on the power supply and charge for the car.

Furthermore, the insulating seat of rifle head includes mount pad and flange, and flange is fixed in the rear end of mount pad, and is equipped with a set of screw through-hole on it, and the screw through-hole in-connection has fastening screw, and the front end of rifle shell body is equipped with a set of bottom outlet with screw through-hole matched with, and fastening screw passes the screw through-hole and links to each other with the bottom outlet to be used for realizing the connection of insulating seat of rifle head and rifle shell body.

Furthermore, a group of mounting holes are formed in the mounting seat of the gun head insulating seat, and the mounting holes are correspondingly matched with the replaceable contact pins.

Further, a sealing gasket is connected between the gun head insulating seat and the gun shell body, so that the protection grade is improved, and water vapor and dust are prevented from entering the charging gun.

Furthermore, knurling and a groove are arranged on the replaceable contact pin to increase the strength of the terminal embedded in the insulator of the gun head.

Furthermore, the rear end of the replaceable contact pin is provided with an inwards-concave connecting hole, the connecting hole is matched with the wiring contact pin, and the wiring contact pin can be just embedded into the connecting hole so as to be used for realizing the fastening connection of the replaceable contact pin and the wiring contact pin.

Furthermore, packing boxes are arranged outside the gun head insulating seat and the replaceable contact pins so as to prevent terminals from being oxidized, entering dust or being collided and damaged in the transportation and storage processes.

Compared with the prior art, the utility model has the advantages of specifically lie in:

(1) the charging gun head insulator can be detached, a flange of the gun head insulator is provided with a screw through hole and fixed on a bottom hole in the gun shell through a screw, and the gun head insulator can be detached and replaced on site by using a simple tool;

(2) the pin terminals are disassembled into two parts, the replaceable pin at the front end is fixed in a mounting hole in the gun head insulator through injection molding of a mold, so that the replaceable pin and the gun head insulator form an integrated part, the replaceable pin is integrally disassembled along with the gun head insulator during replacement, the number of parts during replacement of the gun head is reduced, and the wiring terminal at the rear end is fixed in the gun shell through the terminal fixing piece and is connected with a charging gun wire core;

(3) the pin terminal fixed in the gun head insulator can be protected by the gun head insulator and is not easy to be touched by hands, so that the risk of pollution of a plating layer of the pin terminal caused by the touch of the hands is reduced;

(4) all the terminals can be replaced, and the pin terminals on the gun head insulator are directly connected with the pin terminals fixed in the gun shell in a plugging and pulling manner, so that the operation is simple;

(5) knurling and grooves are formed in the replaceable pin terminal and used for increasing the strength of the terminal embedded in the gun head insulator, and meanwhile, the terminal is fixed in a mold insert injection molding mode, so that the position tolerance precision of the terminal in the insulator is higher, and the size precision required by a standard is easier to achieve;

(6) a sealing gasket is arranged between the connecting part of the gun head insulator and the gun shell, so that the protection grade of the product is improved, and water vapor and dust can be prevented from entering the charging gun;

(7) the insulator part with the replaceable gun head is designed with a special packing box for preventing the terminal from being oxidized, dusted or collided and damaged in the transportation and storage processes.

Drawings

Fig. 1 is an exploded view of a charging gun with a replaceable gun head according to the present invention;

fig. 2 is an assembly schematic diagram of the gun head insulating base and the replaceable contact pin of the present invention;

fig. 3 is a structural view of the gun case body of the present invention;

fig. 4 is a cross-sectional view of the interchangeable insert pin of the present invention inserted into the insulation seat of the gun head;

FIG. 5 is a schematic view of the structure of the packing box of the present invention;

fig. 6 is a structural diagram of the replaceable pin of the present invention.

Detailed Description

Example 1

In order to make the present invention more clearly understood, the charging gun with replaceable gun head according to the present invention is further described with reference to the attached drawings, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

Referring to fig. 1, a rifle that charges of removable rifle head, including rifle shell body 1, the front end of rifle shell body 1 even has a rifle head, its characterized in that:

referring to fig. 1, 2, 3 and 4, the gun head comprises a gun head insulating seat 2, the gun head insulating seat 2 comprises a mounting seat 21 and a connecting flange 22, the connecting flange 22 is fixed at the rear end of the mounting seat 21 and provided with a set of screw through holes 22a, fastening screws 6 are connected in the screw through holes 22a, the front end of the gun shell body 1 is provided with a set of bottom holes 1a matched with the screw through holes 22a, and the fastening screws 6 pass through the screw through holes 22a to be connected with the bottom holes 1a so as to realize the connection of the gun head insulating seat and the gun shell body;

a sealing gasket 7 is connected between the gun head insulating seat 2 and the gun shell body 1 to improve the protection grade and prevent water vapor and dust from entering the charging gun;

referring to fig. 1 and 6, a set of mounting holes 21a is formed in a mounting seat 21 of a gun head insulating seat 2, replaceable pins 3 which are matched with each other are connected in the mounting holes 21a, and knurls 3a and grooves 3b are formed in the replaceable pins 3 to increase the strength of terminals embedded in a gun head insulator;

the front end of the replaceable pin 3 is embedded into the gun head insulating base 2, the rear end of the replaceable pin 3 is matched with the wiring pin 4, the rear end of the replaceable pin 3 is provided with an inward-concave connecting hole 3c, the connecting hole 3c is matched with the wiring pin 4, and the wiring pin 4 can be just embedded into the connecting hole 3c so as to realize the fastening connection of the replaceable pin and the wiring pin;

the wiring contact pin 4 is connected to the gun shell body 1 through the terminal fixing seat 5, and the rear end of the wiring contact pin 4 is connected with a charging gun wire core in the gun shell body 1 and used for conducting a power supply to charge an automobile;

and packing boxes 8 are arranged outside the gun head insulating seat 2 and the replaceable contact pin 3 to prevent terminals from being oxidized, entering dust or being collided and damaged in the transportation and storage processes.

The utility model discloses a device will charge the rifle and divide into two parts, partly for connecting the rifle shell body 1 of rifle cable that charges, rifle head insulator part that charges that another part can be changed. When the tip insulator is damaged or the terminal is found to be worn seriously, the tip may be removed from the charging gun using a simple tool and then replaced with a new tip insulator member. The replaceable gun head is internally provided with a replaceable contact pin 3 for electrical connection, and the replaceable gun head and the gun head insulating seat 2 are integrated into a whole part through mold injection; the inside 4 parts of wiring contact pin that are used for connecting wire that have of rifle shell body 1 are fixed in the rifle shell through terminal fixing base 5. The interchangeable rifle head insulator spindle 2 is fixed on the rifle shell body 1 through fastening screw 6, and interchangeable contact pin 3 in the rifle head insulator spindle 2 switches on with wiring contact pin 4 of the connecting wire in the rifle shell.

This scheme need not to disassemble other parts of rifle that charges, only needs to pull down the rifle head insulator from the rifle that charges, and the rifle head insulator of renewal is installed again, can realize the on-the-spot maintenance to the rifle that charges, and is simple and convenient.

The terminal of the charging gun is split into two parts, one part is a replaceable contact pin 3 which is fixed in a mounting hole 21a of the gun head insulating base 2 through injection molding, and the other part is a wiring contact pin 4 which is fixed in a gun shell body 1 and is connected with a lead. And the outer surface of the replaceable contact pin 3 fixed on the gun head insulator is provided with a knurl 3a and a groove 3b for enhancing the fixing strength of the terminal embedded in the gun head insulator.

The replaceable contact pin 3 and the gun head insulating base 2 are integrated parts in a mold injection molding mode, so that the number of parts during replacement of the charging gun head can be reduced, and the maintenance difficulty can be reduced; meanwhile, because the contact pin is arranged in the gun head insulator, the surface of a contact pin part is not easy to touch by hands during replacement operation, and the silver coating of the contact pin is prevented from being polluted and corroded and oxidized due to the touch of the hands.

The wiring contact pin 4 in the gun shell body 1 is fixed inside the gun shell body 1 through the terminal fixing seat 5, and the tail part of the contact pin is connected with the wire core of the charging gun wire.

A sealing gasket 7 is arranged between the gun head insulating seat 2 and the gun shell body 1, so that water vapor and dust can be prevented from entering the charging gun, and the product is safer and more reliable.

When the tip insulator part is replaced, a special guard, i.e. a package 8 as shown in fig. 5, is provided to prevent dust from entering during transport and storage, oxidation of the terminals or damage.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims (7)

1. The utility model provides a rifle that charges of removable rifle head, includes rifle shell body (1), and the front end of rifle shell body (1) even has a rifle head, its characterized in that:

the rifle head includes rifle head insulating seat (2), and a set of interchangeable contact pin (3) of mutually supporting of rifle head insulating seat (2) in-connection, in the front end embedding rifle head insulating seat (2), rear end and wiring contact pin (4) mutually support, and wiring contact pin (4) are connected on rifle shell body (1) through terminal fixing base (5), and the rear end of wiring contact pin (4) links to each other with the rifle sinle silk that charges in rifle shell body (1).

2. A charging gun with a replaceable tip according to claim 1, wherein:

the gun head insulating seat (2) comprises a mounting seat (21) and a connecting flange (22), the connecting flange (22) is fixed at the rear end of the mounting seat (21) and provided with a group of screw through holes (22 a), fastening screws (6) are connected in the screw through holes (22 a), a group of bottom holes (1 a) matched with the screw through holes (22 a) are formed in the front end of the gun shell body (1), and the fastening screws (6) penetrate through the screw through holes (22 a) and are connected with the bottom holes (1 a).

3. A charging gun with a replaceable tip according to claim 2, wherein:

a group of mounting holes (21 a) are formed in the mounting seat (21) of the gun head insulating seat (2), and the mounting holes (21 a) are correspondingly matched with the replaceable contact pins (3).

4. A charging gun with a replaceable tip according to any one of claims 1 to 3, wherein:

a sealing gasket (7) is connected between the gun head insulating seat (2) and the gun shell body (1).

5. A charging gun with a replaceable tip according to any one of claims 1 to 3, wherein:

the replaceable inserting needle (3) is provided with a knurl (3 a) and a groove (3 b).

6. A charging gun with a replaceable tip according to any one of claims 1 to 3, wherein:

the rear end of the replaceable pin (3) is provided with an inward sunken connecting hole (3 c), the connecting hole (3 c) is matched with the wiring pin (4), and the wiring pin (4) can be just embedded into the connecting hole (3 c).

7. A charging gun with a replaceable tip according to any one of claims 1 to 3, wherein:

and packing boxes (8) are arranged outside the gun head insulating seat (2) and the replaceable contact pin (3).

Images