CN220291229U

CN220291229U - Charging gun and charging system

Info

Publication number: CN220291229U
Application number: CN202321480333.XU
Authority: CN
Inventors: 肖飞; 刘伟权; 杜青林; 徐文军; 张强
Original assignee: Shenzhen Woer New Energy Electric Technology Co Ltd
Current assignee: Shenzhen Woer New Energy Electric Technology Co Ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-02
Anticipated expiration: 2033-06-09

Abstract

The utility model relates to the technical field of charging gun assembly, in particular to a charging gun and a charging system. The charging gun comprises a shell and a power terminal, wherein the shell is provided with a containing cavity and an inserting cavity communicated with the containing cavity, the power terminal comprises a crimping section, an inserting section and a fastener, one end of the crimping section is relatively fixed in the containing cavity, and the other end of the crimping section extends into the inserting cavity from the containing cavity. The grafting intracavity is located to grafting section, and the grafting section runs through along the axial and is equipped with dodges the chamber, and the screw hole is seted up towards the one end of grafting section to the crimping section, and the fastener wears to locate dodges the intracavity, and the one end limit of fastener is located the grafting section, and the other end passes dodges chamber and screw hole threaded connection for when power terminal's grafting section damages needs maintenance or changes, can directly dodge the chamber with the fastener under the crimping connection condition of not disassembling the casing and not dismantling terminal and cable, with the grafting section and the crimping section with power terminal separate, reduce the maintenance degree of difficulty, reduce cost of maintenance.

Description

Charging gun and charging system

Technical Field

The utility model relates to the technical field of charging gun assembly, in particular to a charging gun and a charging system.

Background

The shell of the charging gun in the market is an integral type or the gun head part and the gun body are detachably assembled, and the gun head part and the gun body of the integral type charging gun are fixedly connected. In the assembling process of the integral gun head, when the terminal is in crimping, the integral gun head needs to be threaded firstly, then the integral gun head is provided with a crimping machine for crimping the terminal of the cable together with a gun head shell, a gun head rear cover and the like, the operation is very inconvenient, the labor and time are wasted, and the outer surface of the gun head shell is easily scratched.

The terminal assembly mode of related art is for inserting the equipment, because the terminal is often plug, and the terminal is damaged easily with the one end of charging seat contact, damages and needs frequent maintenance or replacement terminal, needs to dismantle rifle head and rifle body, later removes the crimping department of terminal and cable and changes, and follow-up cost of maintenance increases, and the equipment after the maintenance is equivalent to charging rifle reassembles once again, reduces change efficiency.

Disclosure of Invention

The utility model mainly aims to provide a charging gun, which aims to solve the technical problem that the maintenance cost of the existing American standard charging gun for maintaining a lock rod part is high.

In order to achieve the above object, the present utility model provides a charging gun, including a housing and a power terminal, the housing has a cavity and a socket cavity communicating with the cavity, the power terminal includes:

one end of the compression joint section is connected in the containing cavity, and the other end of the compression joint section extends into the inserting cavity; and

the splicing section is arranged in the splicing cavity, the splicing section axially penetrates through the splicing cavity and is provided with a avoidance cavity, and one end of the crimping section, which faces the splicing section, is provided with a threaded hole; and

The fastener is arranged in the avoidance cavity in a penetrating mode, one end of the fastener is limited on the inserting section, and the other end of the fastener penetrates through the avoidance cavity to be in threaded connection with the threaded hole.

In another embodiment of the utility model, a crimping groove is arranged at one end of the crimping section, which is opposite to the threaded hole, and is used for connecting a cable;

an avoidance groove is concavely formed in one end, opposite to the compression joint section, of the plug-in section, a mounting hole penetrates through the groove bottom wall of the avoidance groove, and the mounting hole is communicated with the avoidance groove to form the avoidance cavity;

the fastener sequentially passes through the avoidance groove and the mounting hole and then is connected with the threaded hole.

In another embodiment of the present utility model, the radial diameter of the avoidance groove is larger than the aperture of the mounting hole.

In another embodiment of the utility model, a limit groove is concavely arranged at one end of the crimping section, which is opposite to the crimping groove, and the threaded hole is formed in the groove bottom wall of the limit groove;

the plug-in section is provided with a limiting end at one end of the mounting hole, and the limiting end is arranged in the limiting groove.

In another embodiment of the present utility model, the power terminal further includes at least one spacer, at least one spacer being sandwiched between the fastener and a bottom wall of the avoidance groove;

and/or, at least one crack has been seted up along the axial to the grafting section, at least one the crack intercommunication dodge the groove, the grafting section is kept away from the one end lateral wall of mounting hole is equipped with annular groove along radial, power terminal still includes around tight piece, around tight piece detachably around locating in the annular groove.

In another embodiment of the utility model, the tightening member is provided as an elastic member;

and/or the fastener is configured as a contour screw.

In another embodiment of the present utility model, the housing comprises:

the gun shell is provided with the containing cavity and an opening communicated with the containing cavity;

the gun head is detachably arranged at one end of the gun shell and is plugged in the opening, and the gun head is provided with an inserting cavity communicated with the opening.

In another embodiment of the present utility model, the charging gun further includes a heat dissipation member disposed on a side of the gun head facing the cavity, and the heat dissipation member is disposed adjacent to the power terminal.

In another embodiment of the present utility model, the heat sink is a breathable film that is breathable and impermeable to water;

and/or the charging gun comprises at least two heat dissipation pieces, and the two heat dissipation pieces are respectively arranged adjacent to the two power terminals.

The utility model also provides a charging system comprising a charging gun and a pile seat or a socket according to any one of the above, wherein the charging gun is electrically connected with the pile seat or the socket.

The charging gun comprises a shell and a power terminal, wherein the shell is provided with a containing cavity and an inserting cavity communicated with the containing cavity, the power terminal comprises a crimping section, an inserting section and a fastening piece, one end of the crimping section is relatively fixed in the containing cavity, and the other end of the crimping section extends into the inserting cavity from the containing cavity. The grafting intracavity is located to grafting section, and the grafting section runs through along the axial and is equipped with dodges the chamber, and the screw hole is seted up towards the one end of grafting section to the crimping section, and the fastener wears to locate dodges the intracavity, and the one end limit of fastener is located the grafting section, and the other end passes dodges chamber and screw hole threaded connection for when power terminal's grafting section damages needs maintenance or changes, can directly dodge the chamber with the fastener under the crimping connection condition of not disassembling the casing and not dismantling terminal and cable, with the grafting section and the crimping section with power terminal separate, reduce the maintenance degree of difficulty, reduce cost of maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of a charging gun according to the present utility model;

FIG. 2 is a schematic view of a charging gun according to an embodiment of the present utility model;

FIG. 3 is a schematic side sectional view of an embodiment of a charging gun according to the present utility model;

FIG. 4 is a schematic view of a partial enlarged structure at Q in FIG. 3;

fig. 5 is an exploded view of a DC terminal of a further embodiment of the charging gun of the present utility model;

fig. 6 is a schematic diagram of an assembled side cross-sectional structure of a DC terminal of an embodiment of a charging system of the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes a charging gun 100. The charging gun 100 is suitable for use in American standard charging guns as well as European and national standard charging guns.

Referring to fig. 1 to 6, fig. 1 is a schematic perspective view of a charging gun 100 according to an embodiment of the utility model; fig. 2 is a schematic view of a three-dimensional and partially exploded structure of an embodiment of a charging gun 100 according to the present utility model; FIG. 3 is a schematic side sectional view of an embodiment of a charging gun 100 according to the present utility model; FIG. 4 is a schematic view of a partial enlarged structure at Q in FIG. 3; fig. 5 is an exploded view of a DC terminal of a further embodiment of the charging gun 100 according to the present utility model; fig. 6 is a schematic diagram of an assembled side cross-sectional structure of a DC terminal of an embodiment of a charging system of the present utility model.

In the embodiment of the present utility model, the charging gun 100 includes a housing 10 and a power terminal 50, as shown in fig. 1 to 3, the housing 10 has a cavity 10A and a socket cavity 10B communicating with the cavity 10A, and the power terminal 50 includes a crimping section 51, a socket section 53 and a fastener 55, wherein one end of the crimping section 51 is connected in the cavity 10A, and the other end extends into the socket cavity 10B. The inserting section 53 is arranged in the inserting cavity 10B, the inserting section 53 is provided with an avoiding cavity in a penetrating mode along the axial direction, and one end, facing the inserting section 53, of the crimping section 51 is provided with a threaded hole 51A. The fastener 55 is arranged in the avoidance cavity in a penetrating way, one end of the fastener 55 is limited on the inserting section 53, and the other end of the fastener passes through the avoidance cavity and is in threaded connection with the threaded hole 51A.

The charging gun 100 according to the technical scheme of the utility model comprises a shell 10 and a power terminal 50, wherein the shell 10 is provided with a containing cavity 10A and a plug cavity 10B communicated with the containing cavity 10A, the power terminal 50 comprises a crimping section 51, a plug section 53 and a fastener 55, one end of the crimping section 51 is relatively fixed in the containing cavity 10A, and the other end extends into the plug cavity 10B from the containing cavity 10A. The grafting section 53 is located in the grafting chamber 10B, the grafting section 53 runs through along the axial and is equipped with dodges the chamber, screw hole 51A is seted up towards the one end of grafting section 53 to the crimping section 51, the fastener 55 wears to locate and dodges the intracavity, the one end limit of fastener 55 is located grafting section 53, the other end passes dodges chamber and screw hole 51A threaded connection, make when the grafting section 53 of power terminal 50 damages and needs maintenance or change, can be under the crimping connection condition of not disassembling casing 10 and not dismantling terminal and cable, directly dodge the chamber with fastener 55, with the grafting section 53 and crimping section 51 of power terminal 50 separate, reduce the maintenance degree of difficulty, reduce cost of maintenance.

Optionally, the charging gun 100 includes two power terminals 50, the charging gun 100 further includes a threading plate 30, a grounding terminal and a plurality of signal terminals, the power terminal 50 is a DC terminal, the grounding terminal is a PE terminal 60, and the signal terminal is a PP terminal 70. The threading plate 30 is provided with a terminal groove 30A corresponding to the DC terminal, the PE terminal 60 and the PP terminal 70, and the terminal groove 30A of the DC terminal is taken as an example, a plurality of ribs 31 are provided on the groove surface of the terminal groove 30A, and the ribs 31 can be provided along the extending direction of the groove surface of the terminal groove 30A, or can be provided along the inserting direction of the charging gun 100, so as to improve the assembling stability of each terminal and the threading plate 30.

It can be understood that the present utility model may be configured with two DC terminals in a two-stage detachable connection structure, or may be configured with two-stage detachable connection structures for the DC terminal, the PE terminal 60 and the PP terminal 70, which is not limited only herein according to actual needs. The DC terminals are provided in two detachable segments, allowing for plug segments 53 that are compatible with quick-change DC terminals.

In one embodiment of the present utility model, the housing 10 includes a gun case 11 and a gun head 12, and the gun case 11 is provided with a cavity 10A and an opening communicating with the cavity 10A; the gun head 12 is detachably arranged at one end of the gun shell 11 and is blocked at the opening, and the gun head 12 is provided with a plug cavity 10B communicated with the opening.

In this embodiment, the gun head 12 includes an outer ring 121 and an insulator 122, the insulator 122 is detachably assembled with the outer ring 121, the insulator 122 is provided with a threading hole corresponding to a plurality of terminals, the outer ring 121 is formed with a plugging cavity 10B, and the plugging cavity 10B is communicated with an opening of the gun housing 11 through the threading hole to be communicated with the cavity 10A. A mounting groove is formed on one side of the insulator 122 facing away from the outer ring 121, and the groove wall of the mounting groove extends into the accommodating cavity 10A from the opening. The insulator 122 is further provided with a clearance hole corresponding to the position of the outer ring 121 penetrating the terminal, and the outer ring 121 is correspondingly arranged in the clearance hole in a penetrating manner and extends into the mounting groove of the insulator 122. The threading plate 30 is accommodated in the installation groove, and the DC terminal, the PE terminal 60 and the PP terminal 70 are correspondingly inserted into the terminal holes so as to extend into the plugging cavity 10B. The DC terminal is arranged in a detachable two-section mode, when the outer ring 121 of the gun head 12 is damaged, a wire tail clamp for terminal and crimping is not required to be detached, the outer ring 121 can be replaced rapidly, and after-sale maintenance is facilitated.

Further, as shown in fig. 4, the outer peripheral wall of the DC terminal is provided with a water-proof groove 51D and a click groove 51E at intervals, the water-proof groove 51D being located on a side of the click groove 51E away from the crimp section 51. The charging gun 100 further includes waterproof rings 52 provided in the waterproof grooves 51D, and the waterproof grooves 51D may be provided in a plurality of numbers, and the waterproof rings 52 are provided in a corresponding number. The waterproof ring 52 is sandwiched between the waterproof groove 51D and the insulator 122, and the waterproof ring 52 is deformed by extrusion to close the contact gap between the terminal and the insulator 122, thereby achieving a waterproof effect.

In another embodiment, the threading plate 30 or the insulator 122 of the gun housing 11 is provided with a clamping protrusion 124 corresponding to the clamping groove 51E, and the clamping protrusion 124 is inserted into the clamping groove 51E to limit the movement of the crimping section 51 relative to the gun head 12 or the gun housing 11 along the insertion direction of the charging gun 100, so as to improve the terminal assembly stability.

It is understood that the outer circumferences of the PP terminal 70 and the PE terminal 60 are also correspondingly provided with a waterproof groove 51D and a detent groove 51E, which improves the assembly stability and waterproof reliability.

Further, when the outer ring 121 is assembled with the insulator 122, the O-ring 123 is correspondingly arranged at the position of the clearance hole, and the O-ring 123 is clamped between the clearance hole and the outer ring 121, so that the sealing support can be made and the waterproof performance can be achieved.

Optionally, the charging gun 100 further includes a sealing ring 15, where the sealing ring 15 may be made of elastic waterproof material such as rubber, silica gel, etc., and the sealing ring 15 is disposed at a connection portion between the gun housing 11 and the gun head 12, so as to improve tightness.

Referring to fig. 5 and 6 in combination, in one embodiment of the present utility model, the end of the crimp segment 51 facing away from the threaded bore 51A is provided with a crimp groove 51C, and the crimp groove 51C is used to connect a cable. An avoidance groove 53B is concavely formed in one end, opposite to the compression joint section 51, of the plug-in section 53, a mounting hole 53A is formed in the groove bottom wall of the avoidance groove 53B in a penetrating mode, and the mounting hole 53A is communicated with the avoidance groove 53B to form an avoidance cavity. The fastener 55 passes through the escape groove 53B and the mounting hole 53A in order and is then connected to the screw hole 51A.

In this embodiment, the crimp groove 51C and the threaded hole 51A are respectively disposed at two ends of the crimp section 51 along the length direction, and the crimp groove 51C and the threaded hole 51A are not communicated, and are blind holes, and threads are disposed in the threaded hole 51A. The crimping section 51 is used for connecting the cable of rifle 100 that charges, and the cable crimping is in the crimping groove 51C of crimping section 51, and the outer peripheral wall of the one end of crimping section 51 seting up screw hole 51A cup joints spacingly with the outer lane 121 of rifle head 12 in order to be fixed relatively crimping section 51, promotes crimping section 51's assembly stability for grafting section 53 only has assembly relation with crimping section 51 in rifle 100 that charges, and grafting section 53 does not have direct assembly relation with rifle head 12, promotes crimping section 51 and grafting section 53 and dismantles the convenience.

In an embodiment of the present utility model, a limiting groove 51B is concavely formed at one end of the compression section 51 facing away from the compression groove 51C, and a threaded hole 51A is formed in a bottom wall of the limiting groove 51B; one end of the plugging section 53 provided with the mounting hole 53A is provided with a limiting end, and the limiting end is arranged in the limiting groove 51B.

In this embodiment, the limiting groove 51B is used to limit one end of the plugging section 53 assembled with the crimping section 51. The limiting groove 51B is an equal-diameter groove, and the outer diameter of the assembly end of the inserting section 53 is equal to or larger than the notch diameter of the limiting groove 51B, so that the inserting section 53 can be perfectly abutted or in interference fit with the inner wall of the limiting groove 51B, the limiting groove 51B limits the inserting section 53 so that the inserting section 53 cannot shake randomly, and the assembly stability of the inserting section 53 and the crimping section 51 is improved.

In one embodiment of the present utility model, the diameter of the relief groove 53B in the radial direction is larger than the aperture of the mounting hole 53A.

In this embodiment, the notch of the avoidance groove 53B formed by the plugging section 53 is disposed opposite to the compression section 51, the mounting hole 53A penetrates through the bottom wall of the avoidance groove 53B, and the radial diameter of the avoidance groove 53B is greater than the aperture of the mounting hole 53A, so that the tool is convenient to operate after being used in assembly or disassembly.

It can be appreciated that the fastener 55 may be a common screw, where the aperture of the mounting hole 53A is larger than the radial diameter of the screw rod of the common screw, and the common screw may smoothly pass through the mounting hole 53A and be screwed into the threaded hole 51A, and may lock the plugging section 53 and the crimping section 51, so as to improve the compactness of assembly and locking.

In an embodiment of the present utility model, the fastener 55 is configured as a contour screw, the nut of the contour screw is limited in the clearance groove, the polish rod portion of the contour screw is used to pass through the mounting hole 53A, the threaded portion is used to connect with the threaded hole 51A, and at this time, the aperture of the mounting hole 53A may be greater than or equal to the outer diameter of the polish rod portion, so as to facilitate compact assembly.

In an embodiment of the present utility model, the power terminal 50 further includes at least one spacer 57, where the at least one spacer 57 is sandwiched between the fastener 55 and the bottom wall of the avoidance groove 53B, and the spacer 57 is disposed between the cap of the screw and the bottom wall of the avoidance groove 53B, so as to serve as a buffer on one hand and prevent sliding teeth caused by locking transition on the other hand.

In one embodiment of the present utility model, the plugging section 53 is provided with at least one slit 53C along the axial direction, and the at least one slit 53C is communicated with the avoiding groove 53B; an annular groove 53D is formed in the outer side wall of one end, far away from the mounting hole 53A, of the plug section 53 in the radial direction; the power terminal 50 further includes a winding member 59, and the winding member 59 is detachably wound in the annular groove 53D.

In an embodiment of the present utility model, the winding member 59 is an elastic member, and the elastic winding member 59 can be wound in the annular groove 53D at least once to wind the plugging section 53 with the plurality of slits 53C, so as to avoid local deformation from interfering with the plugging of the charging gun 100 and the socket.

In an embodiment of the present utility model, the charging gun 100 further includes a heat dissipation member 20, the heat dissipation member 20 is disposed on a side of the gun head 12 facing the cavity 10A, and the heat dissipation member 20 is disposed adjacent to the power terminal 50.

In one embodiment of the present utility model, the heat sink 20 is a breathable film that is breathable and impermeable to water.

In this embodiment, the heat dissipation element 20 is disposed on the insulator 122 of the gun head 12, the insulator 122 is a plastic part, the heat dissipation element 20 is a breathable film that is breathable and impermeable, heat is generated during charging, and the heat is dissipated through the heat dissipation element 20 that is waterproof and breathable, so as to avoid charging to generate high temperature.

Further, the heat sink 20 is integrally cast with the threading plate 30.

In this embodiment, the heat dissipation element 20 is the waterproof and breathable film, and the waterproof and breathable film is integrally formed with the plastic insulator 122 by a welding process. According to the technical scheme of the utility model, the insulator 122 is provided with the heat dissipation holes, the edge of the waterproof breathable film is used as a sealing support, and the sealing support is in sealing connection with the edge of the heat dissipation holes on the insulator 122, so that heat dissipation is facilitated, and the waterproof breathable film can be replaced after being damaged.

In an embodiment, the charging gun 100 includes at least two heat dissipation members 20, the two heat dissipation members 20 are respectively disposed adjacent to the two power terminals 50, the DC terminals have large heat dissipation capacity during charging, at least one heat dissipation member 20 may be disposed on a peripheral side of each DC terminal, and the plurality of heat dissipation members 20 may be disposed to enhance heat dissipation efficiency.

The utility model also provides a charging system, which comprises a charging gun 100 and a pile seat or a socket, wherein the specific structure of the charging gun 100 refers to the embodiment, and as the charging system adopts all the technical schemes of all the embodiments, the charging system at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted. Wherein the charging gun 100 is electrically connected with the stake pocket or the socket.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. The utility model provides a rifle charges, its characterized in that charges the rifle includes casing and power terminal, the casing has hold the chamber and intercommunication hold the grafting chamber in chamber, power terminal includes:

2. The charging gun according to claim 1, wherein an end of the crimping section facing away from the threaded hole is provided with a crimping groove for connecting a cable;

3. The charging gun of claim 2, wherein the radial diameter of the relief groove is greater than the aperture of the mounting hole.

4. The charging gun according to claim 2, wherein a limit groove is concavely arranged at one end of the crimping section, which is opposite to the crimping groove, and the threaded hole is formed in the groove bottom wall of the limit groove;

5. The charging gun of claim 2, wherein the power terminal further comprises at least one spacer, at least one of the spacers being sandwiched between the fastener and a bottom wall of the relief groove;

6. The charging gun of claim 5, wherein the tightening member is provided as an elastic member;

and/or the fastener is configured as a contour screw.

7. The charging gun of any one of claims 1 to 6, wherein the housing comprises:

8. The charging gun of claim 7, further comprising a heat sink disposed on a side of the gun head facing the cavity, the heat sink disposed adjacent the power terminal.

9. The charging gun of claim 8, wherein the heat sink is a breathable film that is breathable and impermeable to water;

10. A charging system comprising a charging gun according to any one of claims 1 to 9 and a peg or socket, the charging gun being electrically connected to the peg or socket.