CN218242326U

CN218242326U - Structure for fixing conductive terminal inside gun head of charging gun

Info

Publication number: CN218242326U
Application number: CN202221415639.2U
Authority: CN
Inventors: 叶超
Original assignee: Changzhou Yilite New Energy Technology Co ltd
Current assignee: Changzhou Yilite New Energy Technology Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-01-06
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to a rifle head structure of inside fixed conductive terminal charges, including the rifle head body, the rifle head body includes head piece, connecting pipe and apron, the one end of head piece with the connecting pipe is connected, just the head piece with an organic whole of connecting pipe sets up, the apron sets up the connecting pipe is kept away from the one end of head piece, just the apron with the connecting pipe is through pressing the knot to be connected, a plurality of first through-holes have been seted up to the one end of connecting pipe, be provided with the fixed plate in the connecting pipe, a plurality of shoulder holes have been seted up on the fixed plate. The utility model relates to a technical field of fixed conductive terminal structure in rifle head charges. The terminal position degree of the charging gun head is determined, the gun head is ensured to be aligned and matched with the socket, the service life of the charging gun head is prolonged, and the use comfort of a user is improved.

Description

Structure for fixing conductive terminal inside gun head of charging gun

Technical Field

The utility model relates to a technical field of fixed conductive terminal structure in the rifle head charges especially relates to a rifle head inside fixed conductive terminal's that charges structure.

Background

According to the attached drawings of the structure and the size of a charging interface in GB/T20234.2-2015 appendix A, the state clearly stipulates that a conductive terminal fixing structure is arranged in the charging gun head, and the conductive terminal is fixed by matching the fixing structure through structures such as a pressing plate, a rubber pad and the like.

However, in the manufacturing process of the charging gun head fixing structure, the charging gun head fixing structure is manufactured by adopting an injection mold mode. Under the ideal state, the outer peripheral surface part of the conductive terminal is just placed in the stepped hole of the fixed structure. However, in the manufacturing process, there are objective reasons such as plastic injection shrinkage and molding conditions. The shape of the hole in the stepped hole, which plays a main limiting and fixing role, is changed greatly after the manufacturing is finished.

The conductive terminals are inserted into the corresponding stepped holes, so that two situations occur, namely, the conductive terminals cannot be smoothly inserted into the corresponding stepped holes, and when the conductive terminals are inserted into the stepped holes, a plastic material of the gun head is damaged or deformed, so that the insulation performance is influenced or the terminals are deflected inside the plastic of the gun head, and the conductive terminals are in poor contact with components inside the socket in serious cases; the second situation is that the conductive terminals are inserted into the corresponding stepped holes, and the conductive terminals are greatly deflected or displaced in the stepped holes, so that the charging gun cannot be aligned and matched with the socket when being matched with the socket, and the conductive terminals cannot be inserted into the socket when the charging gun is seriously matched with the socket.

Both of these two situations result in the rifle electrical performance that charges to descend and reduce user's comfort level.

SUMMERY OF THE UTILITY MODEL

According to the not enough that prior art exists, the utility model aims at providing a rifle head inside fixed conductive terminal's structure charges has the rifle head terminal position degree of confirming to charge, ensures the rifle head and the cooperation of socket alignment, and then the extension charges the life of rifle head and improves user's use comfort's effect.

The above technical object of the present invention can be achieved by the following technical solutions:

the utility model provides a structure of fixed conductive terminal in rifle head that charges, includes rifle head body, rifle head body includes head piece, connecting pipe and apron, the one end of head piece with the connecting pipe is connected, just the head piece with the integrative setting of connecting pipe, the apron sets up the connecting pipe is kept away from the one end of head piece, just the apron with the connecting pipe is through the pressure knot connection, a plurality of first through-holes have been seted up to the one end of connecting pipe, be provided with the fixed plate in the connecting pipe, a plurality of shoulder holes have been seted up on the fixed plate, the quantity and the position of shoulder hole with first through-hole quantity and position homogeneous phase adaptation, every the shoulder hole is close to correspond the inner wall of first through-hole is provided with a plurality of lugs along its terminal edge direction equidistance, is same a plurality of lugs in the first through-hole with correspond the integrative setting of shoulder hole, a plurality of lugs with correspond the cross section of shoulder hole is the class annular cockscomb.

By adopting the technical scheme, the plurality of lugs are arranged on the inner wall of each stepped hole, and when the fixing plate is manufactured, the deformation of the stepped holes in the machining process is corrected due to the plurality of lugs, so that the conductive terminals are inserted into the corresponding stepped holes, the position degree of the conductive terminals is ensured, and when the gun head is inserted into the socket, one ends of the conductive terminals are aligned and matched with corresponding components inside the socket, the service life of the charging gun head is finally prolonged, and the use comfort of a user is improved.

The present invention may be further configured in a preferred embodiment as: the plurality of lugs have two inner diameters in the radial direction, wherein the smaller inner diameter is attached to the outer diameter part of the conductive terminal, and the plurality of larger outer diameters and the plurality of smaller outer diameters are distributed in a zigzag structure in a uniform staggered manner.

By adopting the technical scheme, the cross section of each bump is set to be in a shape with a large outside and a small inside, so that the connection stability of each bump and the corresponding stepped hole is improved, and meanwhile, the side, in contact with the conductive terminal, of each bump is attached to the peripheral surface of the conductive terminal, so that the position accuracy of the conductive terminal in the corresponding stepped hole is further ensured.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through being provided with a plurality of lugs in every shoulder hole inner wall department, after the fixed plate preparation was accomplished, the deformation volume of shoulder hole in the course of working has been revised in the existence of a plurality of lugs, makes conductive terminal insert in corresponding shoulder hole, ensures conductive terminal position degree, and then when guaranteeing that the rifle head inserts in the socket, conductive terminal's one end aligns the cooperation with the inside components and parts that correspond of socket, finally prolongs the life of the rifle head that charges and improves user's comfort level.

2. The cross section of each bump is set to be in a shape with a large outer part and a small inner part, so that the connection stability of each bump and the corresponding stepped hole is improved, and meanwhile, one side of each bump, which is in contact with the conductive terminal, is attached to the outer peripheral surface of the conductive terminal, so that the position accuracy of the conductive terminal in the corresponding stepped hole is further ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

FIG. 2 is a schematic view of the half-section of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic top view of the fixing plate and the head block of FIG. 1;

fig. 5 is an enlarged schematic view of B in fig. 4.

In the figure, 1, a gun head body; 11. a head block; 12. a connecting pipe; 13. a cover plate; 2. a first through hole; 3. A fixing plate; 31. a stepped hole; 4. and (6) a bump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1-5, the utility model discloses an inside fixed conductive terminal's of rifle head structure charges, including rifle head body 1, rifle head body 1 includes head piece 11, connecting pipe 12 and apron 13, and the one end of head piece 11 is connected with connecting pipe 12, and head piece 11 and the integrative setting of connecting pipe 12, apron 13 sets up the one end of keeping away from head piece 11 at connecting pipe 12, and apron 13 is detained through pressing with connecting pipe 12 and is connected.

One end of the connecting pipe 12 is provided with a plurality of first through holes 2. The connecting pipe 12 is internally provided with a fixing plate 3, the fixing plate 3 is provided with a plurality of stepped holes 31, and the number and the positions of the stepped holes 31 are matched with those of the first through holes 2. The conductive terminals pass through the stepped holes 31 and enter the corresponding first through holes 2.

Each stepped hole 31 is provided with a plurality of projections 4 along one end edge direction thereof at equal intervals near the inner wall of the corresponding first through hole 2, and the projections 4 in the same first through hole 2 are integrally arranged with the corresponding stepped hole 31. Through being provided with a plurality of lugs 4 in every shoulder hole 31 inner wall department, after the fixed plate 3 preparation is accomplished, the deformation volume of shoulder hole 31 in the course of working has been revised to the existence of a plurality of lugs 4, makes conductive terminal insert in corresponding shoulder hole 31, ensures conductive terminal position degree, and then when guaranteeing that the rifle head inserts in the socket, conductive terminal's one end aligns the cooperation with the inside components and parts that correspond of socket, finally prolongs the life of the rifle head that charges and improves user's use comfort.

The cross sections of the plurality of projections 4 and the corresponding stepped holes 31 are ring-like saw-toothed.

The bumps have two inner diameters in the radial direction, wherein the smaller inner diameter is attached to the outer diameter part of the conductive terminal. The cross section of each bump is set to be in a shape with a large outer part and a small inner part, so that the connection stability of each bump and the corresponding stepped hole 31 is improved, and meanwhile, one side of each bump, which is in contact with the conductive terminal, is attached to the outer peripheral surface of the conductive terminal, so that the position accuracy of the conductive terminal in the corresponding stepped hole 31 is further ensured. The plurality of larger outer diameters and the plurality of smaller outer diameters are uniformly distributed in a staggered manner in a saw-toothed structure.

The implementation principle of the above embodiment is as follows:

in the process of manufacturing the fixing plates 3, the operator first manufactures a first lot of fixing plates 3 having a smaller number. The operator passes the conductive terminal through the corresponding stepped hole 31. The operator views whether the conductive terminal can be inserted into the corresponding stepped hole 31 or whether the conductive terminal is shaken in the corresponding stepped hole 31.

According to the experimental conditions, an operator appropriately changes the size of the manufacturing part for manufacturing the bumps 4 in the fixing plate 3, so that the conductive terminals in the corresponding stepped holes 31 are fixed by the bumps 4 in the stepped holes 31, and the position degree of the conductive terminals is ensured.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The structure for fixing the conductive terminals in the interior of the charging gun head comprises a gun head body (1), wherein the gun head body (1) comprises a head block (11), a connecting pipe (12) and a cover plate (13), one end of the head block (11) is connected with the connecting pipe (12), the head block (11) and the connecting pipe (12) are integrally arranged, the cover plate (13) is arranged at one end, far away from the head block (11), of the connecting pipe (12), the cover plate (13) is connected with the connecting pipe (12) through pressing and buckling, a plurality of first through holes (2) are formed in one end of the connecting pipe (12), a fixing plate (3) is arranged in the connecting pipe (12), a plurality of stepped holes (31) are formed in the fixing plate (3), the number and the positions of the stepped holes (31) are matched with the number and the positions of the first through holes (2) in a homogeneous phase, the stepped holes (31) are close to the inner wall of the corresponding first through holes (2) and are provided with a plurality of lugs (4) in an equidistance along the end edge direction, and the first through holes (2) are corresponding to the jagged cross section of the first through holes (31) and are integrally arranged with the lugs (31), and the sawtooth-shaped lugs (31).

2. The structure for fixing the conductive terminal inside the gun head of the charging gun according to claim 1, wherein: the plurality of lugs (4) are provided with two inner diameters in the radial direction, wherein the smaller inner diameter is attached to the outer diameter part of the conductive terminal, and the plurality of larger outer diameters and the plurality of smaller outer diameters are uniformly distributed in a staggered mode in a sawtooth structure.