CN221226678U - Charging gun and charging equipment - Google Patents

Abstract

The embodiment of the application provides a charging gun and charging equipment comprising the charging gun, relates to the technical field of charging equipment, and is used for solving the problem that external liquid enters the charging gun in the process of replacing a gun head. The charging gun comprises a gun body, a gun head, a mounting seat and a first sealing piece, wherein a mounting cavity is formed in the gun body; the gun head is arranged on the gun body and is provided with an inserting hole; at least part of the mounting seat is arranged in the mounting cavity, a terminal is arranged on the mounting seat, and the terminal extends into the jack; the first sealing piece is sleeved on the periphery of the mounting seat, and the first sealing piece is arranged between the inner wall surface of the gun body and the mounting seat. The gap between the gun body and the mounting seat is sealed through the first sealing element, so that the possibility that external liquid enters the charging gun from the gap is reduced, the potential safety hazard of the charging gun in use is reduced, and the charging gun can stably operate.

Description

Charging gun and charging equipment

Technical Field

The application relates to the technical field of charging equipment, in particular to a charging gun and charging equipment.

Background

The charging apparatus generally includes a charging gun that can be plugged into an electric device such as an electric vehicle (ELECTRIC VEHICLE, EV) to connect a terminal on the charging gun to a terminal on the electric device so as to charge the electric device.

After the charging gun is plugged for many times, the gun head of the charging gun is likely to be damaged, and in the related art, the gun head of the charging gun is detachably connected with the gun body of the charging gun so as to detach the gun head for replacement.

However, in the process of replacing the gun head, external liquid (such as water) possibly enters the charging gun, so that the use of the charging gun is affected, and a great potential safety hazard exists in the charging gun.

Disclosure of utility model

The application provides a charging gun and a charging device comprising the charging gun, which can reduce the possibility of external liquid entering the charging gun.

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

In a first aspect of the application, a charging gun is provided, the charging gun comprises a gun body, a gun head, a mounting seat and a first sealing element, wherein a mounting cavity is formed in the gun body; the gun head is arranged on the gun body and is provided with an inserting hole; at least part of the mounting seat is arranged in the mounting cavity, a terminal is arranged on the mounting seat, and the terminal extends into the jack; the first sealing piece is sleeved on the periphery of the mounting seat, and the first sealing piece is arranged between the inner wall surface of the gun body and the mounting seat.

The inside part of rifle that charges can be installed to the installation intracavity, and the rifle head of rifle that charges can be connected with the electric device who waits to charge, makes the terminal of rifle that charges and the terminal cooperation that charges on the electric device, can charge electric device like this. After the charging gun is plugged for many times, the gun head has the possibility of damage, and the charging gun can normally operate by replacing the gun head. In the scheme of the application, the first sealing element is arranged at the periphery of the mounting seat, so that the first sealing element is positioned between the inner wall surface of the gun body and the mounting seat, and the gap between the gun body and the mounting seat is sealed by the first sealing element, thereby reducing the possibility that external liquid enters the charging gun from the gap, reducing the potential safety hazard when the charging gun is used and enabling the charging gun to stably run.

In an alternative embodiment, the mounting seat is provided with a first annular groove, and the first sealing element is arranged in the first annular groove.

The first ring groove can limit the first sealing element, so that the possibility that the first sealing element moves relative to the mounting seat is reduced, and the connection between the first sealing element and the mounting seat is more stable. When the mounting seat is mounted, the first annular groove reduces the possibility that the first sealing element is separated from the mounting seat, and the first sealing element is conveniently mounted between the inner wall surface of the gun body and the mounting seat.

In an alternative embodiment, the first seal comprises a sealing ring.

The sealing ring has a stable sealing effect, can effectively prevent external liquid from entering the charging gun, is convenient to mount and dismount, and is beneficial to replacement of the first sealing member.

In an alternative embodiment, the charging gun further comprises a first threaded connecting piece, a first through hole is formed in the gun head, a first connecting hole is formed in the mounting seat, a first threaded structure is arranged in the first connecting hole, the first threaded connecting piece penetrates through the first through hole and is in threaded connection with the first threaded structure, and a second sealing piece is arranged between the wall surface of the first through hole surrounded by the gun head and the first threaded connecting piece.

The gun head is connected to the mounting seat through the first threaded connecting piece, connection and fixation between the gun head and the mounting seat are achieved, and when the gun head needs to be replaced, the gun head can be detached by removing the first threaded connecting piece. The second sealing piece can seal the gap between the wall surface of the first through hole and the first threaded connecting piece formed by the gun head in a surrounding mode, the possibility that external liquid enters into the installation cavity from the first through hole is reduced, potential safety hazards in the use process of the charging gun are further reduced, and stability in the operation process of the charger is improved.

In an alternative embodiment, the portion of the first threaded connection located in the first through hole is provided with a second annular groove, the second seal comprises a sealing ring, and the second seal is arranged in the second annular groove.

The second sealing element comprises the sealing ring, the sealing ring has a stable sealing effect, external liquid can be effectively prevented from entering the charging gun, and the sealing ring is convenient to install and disassemble and is favorable for replacing the second sealing element. The second annular groove can limit the second sealing element, so that the possibility that the second sealing element moves relative to the first threaded connecting element is reduced, and the connection between the second sealing element and the first threaded connecting element is more stable. The possibility of the second seal falling off the first threaded connection is reduced during installation of the first threaded connection.

In an alternative embodiment, the first through hole includes first hole section and the second hole section of intercommunication each other, and the internal diameter of first hole section is greater than the internal diameter of second hole section, and first hole section sets up in the one side that the second hole section deviates from the mount pad, and first threaded connection spare includes first installation department and first screw thread portion, and first installation department sets up in first hole section, and first screw thread portion one end is connected with first installation department, and the other end passes the second hole section and with first screw thread structure threaded connection, and the second annular sets up on first installation department.

The first hole section of the first through hole can accommodate the first installation part, so that the first threaded connecting piece cannot protrude out of the gun head after being installed, and the charging gun is more attractive. The space in the first hole section is larger, and the second ring groove is arranged on the first installation part, so that the second sealing element is arranged between the wall surface of the first hole section surrounded by the gun head and the first installation part, and the second sealing element is convenient to install.

In an alternative embodiment, the charging gun further comprises a second threaded connecting piece, a second through hole is formed in the mounting seat, a second connecting hole is formed in the gun body, a second threaded structure is arranged in the second connecting hole, the second threaded connecting piece penetrates through the second through hole and is in threaded connection with the second threaded structure, and a third sealing piece is arranged between the wall surface of the second through hole surrounded by the mounting seat and the second threaded connecting piece.

The mounting seat is connected to the gun body through the second threaded connecting piece, so that the connection and fixation between the mounting seat and the gun body are realized. The third sealing element can seal the gap between the wall surface of the second through hole surrounded by the mounting seat and the second threaded connecting piece, so that the possibility that external liquid enters the charging gun from the second through hole is reduced, the charging gun is further protected, and the stability of the charger during operation is improved.

In an alternative embodiment, the portion of the second threaded connection located in the second through hole is provided with a third ring groove, the third seal comprises a sealing ring, and the third seal is arranged in the third ring groove.

The third sealing element comprises the sealing ring, the sealing ring has a stable sealing effect, external liquid can be effectively prevented from entering the charging gun, and the sealing ring is convenient to install and disassemble and is favorable for replacing the third sealing element. In addition, the third ring groove can limit the third sealing element, so that the possibility that the third sealing element moves relative to the second threaded connecting element is reduced, and the connection between the third sealing element and the second threaded connecting element is more stable. The third groove reduces the likelihood of the third seal falling off the second threaded connection during installation of the second threaded connection.

In an alternative embodiment, the second through hole comprises a third hole section and a fourth hole section which are communicated with each other, the inner diameter of the third hole section is larger than that of the fourth hole section, the fourth hole section is arranged on one side, deviating from the gun head, of the third hole section, the second threaded connecting piece comprises a second installation portion and a second threaded portion, the second installation portion is arranged in the third hole section, one end of the second threaded portion is connected with the second installation portion, the other end of the second threaded portion penetrates through the fourth hole section and is in threaded connection with the second threaded structure, and the third annular groove is formed in the second installation portion.

The third hole section of the second through hole can accommodate the second installation part, so that the second threaded connecting piece cannot protrude out of the installation seat after installation, the space occupied by the second threaded connecting piece is reduced, the gap between the gun body and the installation seat is smaller, the structure of the charging gun is more compact, and the size of the charging gun is reduced. And the space in the third hole section is larger, and the third annular groove is arranged on the second mounting part, so that the third sealing element is arranged between the wall surface of the third hole section surrounded by the gun head and the second mounting part, and the third sealing element is convenient to mount.

In an alternative embodiment, a gap is formed between the mounting seat and the gun head, and a fourth sealing element is arranged around the periphery of the terminal and is arranged in the gap.

Because the gap is formed between the gun head and the mounting seat, when external liquid enters between the gun head and the mounting seat, the liquid can flow through the gap and contact the terminal, thereby influencing the normal operation of the terminal (such as short circuit of the positive power terminal and the negative power terminal, corrosion of the terminal and the like), shortening the service life of the charging gun and influencing the normal use of the charging gun. In order to reduce the influence of external liquid on the terminal, the periphery of the terminal can be surrounded by a fourth sealing piece, the fourth sealing piece is arranged in a gap between the gun head and the mounting seat, the fourth sealing piece can form a seal around the terminal, and the liquid entering between the gun head and the mounting seat is prevented from contacting the terminal, so that the terminal is protected.

In an alternative embodiment, the gun head comprises a shell and a first wall body, wherein the first wall body is arranged on one side of the shell facing the mounting seat and extends towards the mounting seat, and the first wall body surrounds the periphery of the jack.

The first wall body surrounds the periphery of the jack, namely the first wall body surrounds the periphery of the terminal, so that the terminal can be protected, and the first wall body extends towards the mounting seat, so that a gap between the first wall body and the mounting seat is reduced, and the fourth sealing element is convenient to set.

In an alternative embodiment, the mounting base includes a mounting plate and a second wall, the second wall is disposed on a side of the mounting plate facing the gun head and extends toward the gun head, the second wall surrounds the periphery of the terminal, one of the first wall and the second wall surrounds the periphery of the other, a gap is formed between the first wall and the second wall, and the fourth sealing element is sandwiched between the first wall and the second wall.

The second wall body surrounds the terminal, one of the first wall body and the second wall body surrounds the periphery of the other, the gap between the first wall body and the second wall body is sealed through the fourth sealing piece, liquid entering between the gun head and the mounting seat cannot flow through the gap to contact the terminal, the terminal is protected, the possibility that external liquid influences the terminal is reduced, the operation of the charging gun is more stable, and the service life of the charging gun is prolonged.

In an alternative embodiment, the first wall body surrounds the periphery of the second wall body, a fourth annular groove is formed in the second wall body, the fourth sealing element comprises a sealing ring, and the fourth sealing element is arranged in the fourth annular groove.

The fourth sealing member includes the sealing washer, and the sealing washer has stable sealed effect, can prevent effectively that external liquid from entering into in the rifle that charges. The fourth annular groove can limit the fourth sealing element, so that the possibility that the fourth sealing element moves relative to the mounting seat is reduced, and the connection between the fourth sealing element and the second wall body is more stable.

In an alternative embodiment, the mounting seat is arranged in the mounting cavity, at least part of the gun head is arranged in the mounting cavity, the periphery of the gun head is sleeved with a fifth sealing element, and the fifth sealing element is arranged between the inner wall surface of the gun body and the gun head.

The fifth sealing piece is arranged between the inner wall surface of the gun body and the gun head, the gap between the gun head and the gun head is sealed through the fifth sealing piece, after the gun head is installed, the possibility that external liquid enters into the installation cavity can be reduced, and the waterproof performance of the charging gun is improved.

In an alternative embodiment, the terminal comprises a power terminal, the power terminal comprises a first part and a second part, the first part is connected with the gun head, the second part is connected with the mounting seat, the first part is provided with a groove towards the end of the mounting seat, the second part is inserted in the groove, or the second part is provided with a groove towards the end of the gun head, and the first part is inserted in the groove.

Because the first part needs to be connected with the electric device, the possibility that the first part is damaged is high, the first part is arranged on the gun head, when the gun head needs to be replaced, the first part can be replaced together, and a new first part is spliced with the second part to form a new power terminal, so that the power terminal can stably operate.

In a second aspect of the present application, a charging device is provided, where the charging device includes a power module and the charging gun, and the charging gun is electrically connected to the power module through a cable.

The power module is electrically connected with the charging gun through a cable, and the power module can supply power for the charging gun, so that the charging gun can charge an electric device to be charged. In addition, the charging device provided by the application comprises the charging gun, so that the charging device provided by the application and the charging gun can solve the same technical problems and have the same technical effects, and the description is omitted here.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a charging device according to an embodiment of the present application;

fig. 2 is a schematic diagram of the overall structure of a charging gun according to an embodiment of the present application;

Fig. 3 is an exploded view of a charging gun according to an embodiment of the present application;

FIG. 4 is a partial cross-sectional view of a charging gun according to an embodiment of the present application;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic diagram illustrating an arrangement of a fourth seal in a charging gun according to an embodiment of the present application;

FIG. 7 is a schematic diagram of the overall structure of a gun head according to an embodiment of the present application;

Fig. 8 is a schematic diagram of an overall structure of a mounting seat according to an embodiment of the present application;

FIG. 9 is an enlarged view of portion B of FIG. 8;

fig. 10 is a schematic diagram of another arrangement of the fourth seal in the charging gun according to the embodiment of the application.

Reference numerals:

100-a charging device;

110-charging gun;

1-a gun body; 11-a mounting cavity; 12-a second connection hole; 121-a second thread structure; 13-a mounting port;

2-gun heads; 21-a jack; 22-a first through hole; 221-a first bore section; 222-a second bore section; 23-a housing; 24-a first wall; 25-a fifth seal; 26-a fifth ring groove; 27-gap;

3-mounting seats; 31-terminals; 311-power terminals; 3111-a first portion; 3112-a second portion; 3113-grooves; 312-signal terminals; 313-a first seal ring; 314—a second seal ring; 32-a first ring groove; 33-a second through hole; 331-a third bore section; 332-fourth hole section; 34-a first connection hole; 341-a first thread formation; 35-fourth seal; 36-mounting plate; 37-a second wall; 371-fourth ring groove; 38-mounting holes;

4-a first seal;

5-a first threaded connection; 51-a second seal; 52-a second ring groove; 53-a first mounting portion; 54—a first threaded portion;

6-a second threaded connection; 61-a third seal; 62-a third ring groove; 63-a second mounting portion; 64-a second threaded portion;

120-power module;

130-housing.

Detailed Description

The following description of the technical solutions according to the embodiments of the present application will be given with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments.

In the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated for distinguishing one element from another. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature.

In the present application, unless explicitly specified and limited otherwise, the meaning of "a plurality of" means two or more.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, when describing a pipeline or channel, the terms "connected" and "connected" as used herein have the meaning of conducting. The specific meaning is to be understood in conjunction with the context.

Furthermore, in the present application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the drawings of the embodiment of the application, physical structures such as parts, components and the like are represented by guide lines; hollow structures such as openings, holes, spaces, installation cavities and the like are represented by guide lines with arrows.

Referring to fig. 1, fig. 1 illustrates an exemplary structure of a charging device 100, wherein the charging device 100 may include a power module 120, a charging gun 110, and a housing 130, the power module 120 is disposed in the housing 130, and the power module 120 is electrically connected to the charging gun 110 through a cable.

In other embodiments, the charging apparatus 100 may not include the housing 130, and the power module 120 may be disposed in other devices, and the location of the power module 120 is not specifically limited in the present application.

The illustrated charging gun 110 may be coupled (e.g., plugged in) to an electric device such as an electric vehicle (ELECTRIC VEHICLE, EV) to charge the electric device. In order to be matched and connected with the charging gun 110, a charging connection port (such as a charging socket) can be arranged on the charging device, so that the charging gun 110 can be connected with the charging device conveniently.

The embodiment of the present application also provides a charging gun 110 that may be applied to the above-described charging apparatus 100, and referring to fig. 2, fig. 2 exemplarily shows an external structure of the charging gun 110, and the exemplary charging gun 110 may be a direct current (ALTERNATING CURRENT, AC) charging gun. In other examples, the charging gun 110 may also be an alternating Current (DC) charging gun (e.g., a single-phase AC charging gun, a three-phase AC charging gun, etc.).

Referring to fig. 3, fig. 3 illustrates an explosion structure of the charging gun 110, the charging gun 110 may include a gun body 1, the gun body 1 may have any shape capable of being held, and for the convenience of holding by a user, a structure for holding by the user, such as a grip, a grip lever, a handle, etc., may be further provided on the gun body 1, and the shape of the gun body 1 is not particularly limited in the present application.

Referring to fig. 3, a mounting cavity 11 is formed in the gun body 1, the mounting cavity 11 being for accommodating components inside the charging gun 110, that is, the exemplary gun body 1 may be a housing having the mounting cavity 11 inside. In order to facilitate the installation of other components within the gun body 1, the gun body 1 may be provided with a mounting opening 13, the mounting opening 13 may be provided at one end of the gun body 1 and in communication with the mounting cavity 11, and at least a portion of the components within the charging gun 110 may be installed within the gun body 1 through the mounting opening 13.

Fig. 4 is a partial cross-sectional view of an exemplary charging gun 110. Referring to fig. 3 and 4, the charging gun 110 may further include a mounting base 3, and a terminal 31 is provided on the mounting base 3. In one embodiment, the terminals 31 may be provided in plurality, and the plurality of terminals 31 may include the power terminal 311 and the signal terminal 312.

The power terminal 311 may be used to be cooperatively connected with a power socket on the electric device to charge the electric device, where the power terminal 311 is provided with a plurality of power terminals. The signal terminals 312 are terminals capable of realizing a specific function, for example, the signal terminals 312 may be terminals for detecting the connection state of the charging gun 110 and the electric device, the signal terminals 312 may be terminals for communicating with the charging post, the signal terminals 312 may be other terminals for assisting the charging, and in addition, the signal terminals 312 may be provided with one or more groups, and when the signal terminals 312 are provided with a plurality of groups, the functions of the signal terminals 312 of each group may be different.

In other embodiments, the example terminals 31 may be provided with only one set, and the terminals 31 may be the power terminals 311 or the signal terminals 312.

Referring to fig. 4, the mounting base 3 may be provided with mounting holes 38, the number of the mounting holes 38 may be the same as the number of the terminals 31, the terminals 31 may be disposed in one-to-one correspondence with the mounting holes 38, and each of the terminals 31 may pass through one of the mounting holes 38.

The mount 3 is disposed on the gun body 1, and at least a portion of the mount 3 is disposed within the mounting cavity 11. In one example, referring to fig. 3 and 4, the mount 3 may be integrally disposed within the mounting cavity 11. In another example, the mount 3 is partially disposed within the mounting cavity 11 and partially disposed outside the mounting cavity 11.

Referring to fig. 3 and 4, the example charging gun 110 may further include a gun head 2, the gun head 2 may be disposed at one side of the mounting base 3, an insertion hole 21 is disposed on the gun head 2, the insertion hole 21 penetrates through two sides of the gun head 2, and a terminal 31 on the mounting base 3 may extend into the insertion hole 21. For example, the number of the insertion holes 21 may be the same as the number of the terminals 31, the terminals 31 may be disposed in one-to-one correspondence with the insertion holes 21, and each of the terminals 31 may extend into one of the insertion holes 21. In other examples, a plurality of terminals 31 may extend into the same jack 21, and the number and shape of the jacks 21 are not particularly limited by the present application. The illustrated gun head 2 may be plugged into a charging socket of an electrical device to enable connection of a terminal 31 within the socket 21 with a charging terminal on the electrical device.

The gun head 2 is arranged on the gun body 1, and in one example, referring to fig. 3 and 4, one part of the gun head 2 is arranged in the mounting cavity 11, and the other part is arranged outside the mounting cavity 11. In this example, the gun head 2 may be inserted into the gun body 1 from the mounting opening 13. In another example, the gun head 2 may be integrally disposed outside the mounting cavity 11, in which example the gun head 2 may be connected to the gun body 1 through the mount 3. In another example, the gun head 2 may also be integrally provided within the mounting cavity 11.

In the example in which a part of the gun head 2 is disposed in the mounting cavity 11 and the other part is disposed outside the mounting cavity 11, referring to fig. 3 and 4, a sealing member may be sleeved on the periphery of the gun head 2, and the sealing member may be a fifth sealing member 25, where the fifth sealing member 25 is disposed between the inner wall surface of the gun body 1 (the wall surface of the gun body 1 surrounding the mounting cavity 11) and the gun head 2, so as to perform a sealing function, and after the gun head 2 is mounted, the possibility that external liquid enters the mounting cavity 11 can be reduced.

The fifth sealing element 25 may be any structure capable of performing a sealing function, and in one example, referring to fig. 3 and 4, the fifth sealing element 25 may include a sealing ring, the fifth sealing element 25 may be sandwiched between an inner wall surface of the gun body 1 and the gun head 2, an outer side of the fifth sealing element 25 may abut against the inner wall surface of the gun body 1, and an inner side of the fifth sealing element 25 may abut against the gun head 2. In other examples, the fifth seal 25 may also be a bead of seal.

In order to reduce the possibility of the fifth sealing element 25 being displaced relative to the gun head 2, referring to fig. 5, fig. 5 is an enlarged view of a portion a in fig. 4, a fifth ring groove 26 may be provided on the gun head 2, the fifth ring groove 26 may be provided on an outer peripheral wall of the gun head 2, the fifth sealing element 25 may be provided in the fifth ring groove 26, and the fifth sealing element 25 is limited by the fifth ring groove 26, so that the fifth sealing element 25 is stably connected to the gun head 2, and the possibility of the fifth sealing element 25 falling off from the gun head 2 is reduced.

Because the gun head 2 needs to be connected with the charging interface on the electric device, after the charging gun 110 is plugged in and pulled out for many times, the gun head 2 has the possibility of damage, the gun head 2 needs to be replaced, and in the process of replacing the gun head 2, external liquid can possibly enter the installation cavity 11, so that the components in the installation cavity 11 are damaged, the use of the charging gun 110 is affected, and the charging gun 110 has a large potential safety hazard.

In order to prevent external liquid from entering the installation cavity 11 during the process of replacing the gun head 2, referring to fig. 3 and 4, the charging gun 110 of the present application may further include a first sealing member 4, where the first sealing member 4 is sleeved on the periphery of the installation seat 3, and the first sealing member 4 is disposed between the inner wall surface of the gun body 1 (the wall surface of the gun body 1 surrounding the installation cavity 11) and the installation seat 3. The gap between the gun body 1 and the mounting seat 3 is sealed through the first sealing piece 4, the possibility that external liquid enters into the mounting cavity 11 from between the gun body 1 and the mounting seat 3 is reduced in the process of replacing the gun head 2, the operation of the charging gun 110 is more stable, and the potential safety hazard of the charging gun 110 is reduced.

The first sealing member 4 may be any structure capable of playing a sealing role, in an example, referring to fig. 3 and 4, the first sealing member 4 may include a sealing ring, the first sealing member 4 may be sandwiched between an inner wall surface of the gun body 1 and the mounting seat 3, an outer side of the first sealing member 4 may abut against the inner wall surface of the gun body 1, and an inner side of the first sealing member 4 may abut against the mounting seat 3, so as to play a sealing role.

In other examples, the first seal 4 may be a bead of sealing glue or a sealing structural glue.

Referring to fig. 5, a first ring groove 32 may be provided on the mount 3, an exemplary first ring groove 32 may be provided on an outer circumferential wall of the mount 3, and the first seal 4 may be provided in the first ring groove 32. The first sealing element 4 is limited through the first annular groove 32, so that the possibility that the first sealing element 4 falls off from the mounting seat 3 is reduced, the possibility that the first sealing element 4 displaces relative to the mounting seat 3 is also reduced, and the sealing is more stable.

In order to fix the mounting seat 3, the mounting seat 3 may be connected with the gun body 1, referring to fig. 5, the charging gun 110 may further include a second threaded connector 6, a second through hole 33 is provided on the mounting seat 3, the second through hole 33 penetrates through two sides of the mounting seat 3, a second connecting hole 12 is provided on the gun body 1, a second threaded structure 121 is provided in the second connecting hole 12, and the second threaded connector 6 penetrates through the second through hole 33 and is in threaded connection with the second threaded structure 121. Through setting up second threaded connection spare 6, can realize the fixed connection between mount pad 3 and the rifle body 1, reduce the possibility that mount pad 3 drops from rifle body 1, make the connection between mount pad 3 and rifle body 1 more stable.

The second connection hole 12 provided with the second screw structure 121 may be any structure capable of being screw-coupled with the first screw coupling member 5. In one example, referring to fig. 5, the second connection hole 12 may be a light hole, the second screw structure 121 may be an internal screw sleeve, and the second screw structure 121 may be disposed in the second connection hole. In another example, the second connection hole 12 may be a threaded hole, and the second thread structure 121 is an internal thread structure of the threaded hole itself.

The number of the second threaded connectors 6 may be set according to the need, for example, in order to further enhance the stability of the connection between the mount 3 and the gun body 1, the second threaded connectors 6 may be provided in plurality, in this example, the second through holes 33 may be provided in plurality, the second threaded connectors 6 and the second through holes 33 may be provided in one-to-one correspondence, and each second threaded connector 6 passes through the corresponding second through hole 33 and is in threaded connection with the gun body 1.

The second threaded connector 6 may be any structure capable of connecting the mounting base 3 and the gun body 1, and the second through hole 33 may be any hole-like structure capable of being mounted in cooperation with the second threaded connector 6.

In one example, referring to fig. 5, the second screw connection 6 may include a second mounting portion 63 and a second screw portion 64, the second mounting portion 63 may have a cylindrical structure, the second screw portion 64 may have a screw rod, the second mounting portion 63 may have a diameter larger than that of the second screw portion 64, and one end of the second screw portion 64 is fixedly connected coaxially with the second mounting portion 63 and the other end passes through the second through hole 33 and is screw-connected with the gun body 1.

Referring to fig. 5, the second through hole 33 may be a stepped hole and include a third hole section 331 and a fourth hole section 332 that are communicated with each other, an inner diameter of the third hole section 331 is larger than an inner diameter of the fourth hole section 332, the fourth hole section 332 is located at a side of the third hole section 331 facing away from the gun head 2, a first stepped surface disposed toward the gun head 2 is formed at a junction of the third hole section 331 and the fourth hole section 332, and the first stepped surface is used for abutting with the second mounting portion 63. After the second screw 6 is screwed, the mount 3 is pressed against the gun body 1 by the abutting action between the second mount 63 and the first stepped surface.

In the above example, the third hole section 331 can accommodate the second mounting portion 63, so that the second threaded connection member 6 will not protrude out of the mounting seat 3 after being mounted, which reduces the space occupied by the second threaded connection member 6, makes the gap between the gun body 1 and the mounting seat 3 smaller, makes the structure of the charging gun 110 more compact, and reduces the size of the charging gun 110. The third hole 331 has a large space, and the third ring groove 62 is provided on the second mounting portion 63, so that the third seal 61 is provided between the second mounting portion 63 and the wall surface of the gun head 2 surrounding the third hole 331, thereby facilitating the mounting of the third seal 61.

In another example, the second threaded connection 6 may be a bolt, which includes a head portion and a rod portion, one end of the rod portion is fixedly connected to the head portion, the other end of the rod portion passes through the first through hole 22 to be in threaded connection with the gun body 1, the second through hole 33 may be a stepped hole and formed with a first stepped surface disposed toward the gun head 2, and the head portion of the bolt may press against the first stepped surface.

In another example, the second through hole 33 may be a straight hole, and the second threaded connection member 6 may be a bolt, and includes a head portion and a rod portion, the head portion of the bolt is located outside the second through hole 33, the head portion of the bolt presses the mounting seat 3 toward the wall surface of the gun head 2, one end of the rod portion is fixedly connected with the head portion, and the other end passes through the second through hole 33 to be in threaded connection with the gun body 1.

In order to prevent external liquid from entering the charging gun 110 from the second through hole 33, referring to fig. 5, a third sealing member 61 is disposed between the wall surface of the second through hole 33 surrounded by the mounting base 3 and the second threaded connecting member 6, and the third sealing member 61 is used for sealing a gap between the wall surface of the second through hole 33 surrounded by the mounting base 3 and the second threaded connecting member 6, so that the possibility that external liquid enters the charging gun 110 from the second through hole 33 is reduced.

In an example, referring to fig. 5, the third sealing member 61 may include a sealing ring, the third sealing member 61 may be sandwiched between a wall surface of the mounting seat 3 surrounding the second through hole 33 and the second threaded connection member 6, an outer side of the third sealing member 61 may abut against a wall surface of the mounting seat 3 surrounding the second through hole 33, and an inner side of the third sealing member 61 may abut against the second threaded connection member 6 to perform a sealing function.

In other examples, the third seal 61 may also be a bead of seal or a sealant.

In the example where the second screw members 6 are provided in plurality, one third sealing member 61 may be provided outside each of the second screw members 6.

After the second threaded connection 6 is installed, the third seal 61 may be disposed at any location within the second through bore 33, for example, in examples where the second through bore 33 includes a third bore section 331 and a fourth bore section 332, referring to fig. 5, the third seal 61 may be disposed within the third bore section 331. In other embodiments, the third seal 61 may also be disposed within the fourth bore section 332.

In order to restrict the movement of the third sealing member 61 with respect to the second screw coupling member 6, referring to fig. 5, a third ring groove 62 may be provided at a portion of the second screw coupling member 6 located in the second through hole 33, and the third sealing member 61 may be provided in the third ring groove 62. The third ring groove 62 is used for limiting the third sealing element 61, so that the third sealing element 61 can be stably arranged on the second threaded connecting piece 6, and the second threaded connecting piece 6 with the third sealing element 61 is convenient to install.

In an example in which the second screw 6 includes the second mounting portion 63 and the second screw portion 64, referring to fig. 5, the third ring groove 62 may be provided on the second mounting portion 63.

In order to fix the gun head 2, the gun head 2 may be connected with the mounting base 3, referring to fig. 5, the charging gun 110 may further include a first threaded connector 5, a first through hole 22 is provided on the gun head 2, the first through hole 22 penetrates through two sides of the gun head 2, a first connecting hole 34 is provided on the mounting base 3, a first threaded structure 341 is provided in the first connecting hole 34, and the first threaded connector 5 penetrates through the first through hole 22 and is in threaded connection with the first threaded structure 341. Through first threaded connection 5, can realize the fixed between rifle head 2 and mount pad 3, when needs change rifle head 2, demolish first threaded connection 5, alright realize the dismantlement to rifle head 2, the change and the dismouting of rifle head 2 of being convenient for.

The first connection hole 34 provided with the first screw structure 341 may be any structure that can be screwed with the first screw connector 5. In one example, referring to fig. 5, the first connection hole 34 may be a light hole, the first screw structure 341 may be an internal screw sleeve, and the first screw structure 341 may be disposed within the first connection hole 34. In another example, the first connection hole 34 may be a threaded hole, and the first thread structure 341 is an internal thread structure of the threaded hole itself.

The number of the first screw-threaded connectors 5 may be set according to the need, for example, in order to enhance the stability of the connection between the gun head 2 and the mount 3, the first screw-threaded connectors 5 may be provided in plurality, and in this example, the first through holes 22 and the first connection holes 34 may be provided in plurality, respectively, and each first screw-threaded connector 5 passes through the corresponding first through hole 22 and is screw-coupled with the corresponding first screw-threaded structure 341.

The first threaded connection 5 may be any structure capable of connecting the gun head 2 and the mounting base 3, and the first through hole 22 may be any hole-like structure capable of being mounted in cooperation with the first threaded connection 5.

In one example, referring to fig. 5, the first screw connection 5 may include a first mounting portion 53 and a first screw portion 54, the first mounting portion 53 may have a cylindrical structure, the first screw portion 54 may have a threaded rod, the diameter of the first mounting portion 53 may be greater than that of the first screw portion 54, and one end of the first screw portion 54 is fixedly connected coaxially with the first mounting portion 53, and the other end passes through the first through hole 22 and is screw-connected with the mount 3.

Referring to fig. 5, the first through hole 22 may be a stepped hole and include a first hole section 221 and a second hole section 222 which are communicated with each other, an inner diameter of the first hole section 221 is larger than an inner diameter of the second hole section 222, the first hole section 221 is located at one side of the second hole section 222 facing away from the mounting seat 3, a second stepped surface disposed facing away from the mounting seat 3 is formed at a junction of the first hole section 221 and the second hole section 222, and the second stepped surface is used for abutting with the first mounting portion 53. After the first screw 5 is screwed, the gun head 2 is pressed against the mount 3 by the abutting action between the first mount 53 and the second stepped surface.

In the above example, the first hole section 221 can accommodate the first mounting portion 53, so that the first threaded connection 5 does not protrude outside the gun head 2 after mounting, making the charging gun 110 more attractive. The space in the first hole section 221 is larger, and the second ring groove 52 is arranged on the first mounting part 53, so that the second sealing element 51 is arranged between the wall surface of the gun head 2 surrounding the first hole section 221 and the first mounting part 53, and the second sealing element 51 is convenient to mount.

In another example, the first threaded connection 5 may be a bolt, the bolt includes a head portion and a rod portion, one end of the rod portion is fixedly connected with the head portion, the other end of the rod portion passes through the first through hole 22 to be in threaded connection with the gun body 1, the first through hole 22 may be a stepped hole and is formed with a second stepped surface which is arranged away from the mounting seat 3, and after the first threaded connection 5 is mounted, the head portion of the bolt compresses the second stepped surface.

In another example, the first through hole 22 may be a straight hole, the first threaded connection 5 may be a bolt, and includes a head portion and a rod portion, the head portion of the bolt is located outside the first through hole 22, after the first threaded connection 5 is installed, the head portion of the bolt compresses the gun head 2 to face away from the wall surface of the mounting seat 3, one end of the rod portion is fixedly connected with the head portion, and the other end of the rod portion passes through the first through hole 22 to be in threaded connection with the mounting seat 3.

In order to prevent external liquid from entering between the gun head 2 and the mounting seat 3 from the first through hole 22, referring to fig. 5, a second sealing member 51 is arranged between the wall surface of the gun head 2 surrounding the first through hole 22 and the first threaded connecting member 5, and the second sealing member 51 is used for sealing a gap between the wall surface of the gun head 2 surrounding the first through hole 22 and the first threaded connecting member 5, so that the possibility that external liquid enters the mounting cavity 11 from the first through hole 22 is reduced.

The second sealing member 51 may be any structure capable of playing a sealing role, in an example, referring to fig. 5, the second sealing member 51 may include a sealing ring, the second sealing member 51 may be sandwiched between a wall surface of the gun head 2 surrounding the first through hole 22 and the first threaded connection 5, an outer side of the second sealing member 51 may abut against a wall surface of the gun head 2 surrounding the first through hole 22, and an inner side of the second sealing member 51 may abut against the first threaded connection 5.

In other examples, the second seal 51 may also be a bead of sealant or a sealant.

In the example where the first screw 5 is provided in plurality, one second sealing member 51 may be provided outside each first screw 5.

After the first threaded connection 5 is installed, the second seal 51 may be disposed at any location within the first through bore 22, for example, referring to fig. 5, in an example where the first through bore 22 includes a first bore section 221 and a second bore section 222, the second seal 51 may be disposed within the first bore section 221. In other examples, the second seal 51 may also be disposed within the second bore section 222.

In order to restrict the movement of the second sealing member 51 with respect to the first screw-type coupling member 5, referring to fig. 5, a portion of the first screw-type coupling member 5 located in the first through hole 22 is provided with a second ring groove 52, and the second sealing member 51 may be disposed in the second ring groove 52. The second sealing element 51 is limited through the second annular groove 52, so that the second sealing element 51 can be stably arranged on the first threaded connecting piece 5, and the first threaded connecting piece 5 with the second sealing element 51 is convenient to install.

In an example in which the first screw 5 includes the first mounting portion 53 and the first screw portion 54, referring to fig. 5, the second ring groove 52 may be provided on the first mounting portion 53.

Referring to fig. 6, fig. 6 illustrates a partial cross-sectional view of the charging gun 110 after the gun head 2 and the mount 3 are mounted, since a gap 27 is formed between the gun head 2 and the mount 3, when external liquid enters between the gun head 2 and the mount 3, the liquid passes through the gap 27 and contacts the terminal 31, which affects the normal operation of the terminal 31, for example, the external liquid contacts the positive power terminal 311 and the negative power terminal 311 at the same time, which causes the short circuit of the positive power terminal 311 and the negative power terminal 311, or the external liquid corrodes the terminal 31, etc.

In order to reduce the influence of external liquid on the terminal 31, referring to fig. 6, the periphery of the terminal 31 may be surrounded by a fourth sealing member 35, where the fourth sealing member 35 is disposed in the gap 27 between the gun head 2 and the mounting seat 3, and the fourth sealing member 35 can form a seal around the terminal 31, so as to play a role in blocking the liquid flowing into the gap 27, reduce the possibility that the liquid entering between the gun head 2 and the mounting seat 3 passes through the gap 27 and then contacts the terminal 31, and play a role in secondarily protecting the terminal 31 when other sealing structures fail.

In the example where the plurality of terminals 31 are provided, the fourth seal 35 may be provided on the outer periphery of each terminal 31, or the fourth seal 35 may be provided on the outer periphery of a part (one or more) of the terminals 31.

In one embodiment, referring to fig. 6, a fourth seal 35 is provided on the periphery of each power terminal 311 to seal the periphery of each power terminal 311 from liquid contact with the plurality of power terminals 311 (e.g., positive power terminal 311 and negative power terminal 311), reducing the likelihood of shorting between the plurality of power terminals 311. In other embodiments, a fourth seal 35 may also be provided around the periphery of each signal terminal 312 to reduce the likelihood that the signal terminals 312 will be affected by the liquid and not function properly.

The fourth sealing member 35 may be provided around the terminal 31 to be protected, and may have a sealing function, and the installation position and the installation manner of the fourth sealing member 35 may be adaptively adjusted according to the structure of the gun head 2 and the structure of the mounting seat 3.

The structure of the gun head 2 may be various, and referring to fig. 6 and 7, fig. 7 illustrates the structure of the gun head 2 by way of example, the gun head 2 may include a housing 23 and a first wall 24, the first wall 24 is disposed on a side of the housing 23 facing the mounting seat 3 and extends toward the mounting seat 3, and the first wall 24 surrounds the periphery of the insertion hole 21, that is, the first wall 24 surrounds the periphery of the terminal 31. The first wall 24 may be a circular annular wall, an annular boss, or a circular plate, and the number of the first wall 24 may be the same as the number of the terminals 31 to be protected (the terminals 31 whose periphery is required to be provided with the fourth seal 35).

The structure of the mount 3 may be various, and referring to fig. 8 and 9, fig. 8 illustrates the structure of the mount 3 by way of example, and fig. 9 is an enlarged view of a portion B in fig. 8, the mount 3 may include a mounting plate 36 and a second wall 37, the second wall 37 being disposed at a side of the mounting plate 36 facing the gun head 2 (see fig. 6) and extending toward the gun head 2, the second wall 37 surrounding the periphery of the terminal 31. The second walls 37 may be circular walls, annular bosses or annular plates, and the number of the second walls 37 may be the same as the number of the terminals 31 to be protected (the terminals 31 whose periphery is required to be provided with the fourth sealing member 35), that is, the number of the second walls 37 may be the same as the number of the first walls 24, and the first walls 24 and the second walls 37 are provided in one-to-one correspondence.

In one embodiment, referring back to fig. 6, the first wall 24 and the second wall 37 are wrapped around one another, forming a gap 27 between the first wall 24 and the second wall 37, and a fourth seal 35 is disposed between the first wall 24 and the second wall 37. By way of example, referring to fig. 6, it may be that the first wall 24 surrounds the periphery of the second wall 37. In other examples, the second wall 37 may surround the periphery of the first wall 24.

In an example where the first wall 24 surrounds the second wall 37 (see fig. 6 (and fig. 9 may be combined), a fourth ring groove 371 may be disposed on the second wall 37, and the fourth seal 35 may be disposed in the fourth ring groove 371, so as to limit the fourth seal 35, reduce the possibility of moving the fourth seal 35 relative to the second wall 37, and also facilitate installation of the fourth seal 35, and prevent the fourth seal 35 from falling off from the second wall 37.

In other embodiments, referring to fig. 10, fig. 10 illustrates an example of a configuration in which the first wall 24 is disposed opposite the second wall 37, in which case a gap 27 is formed between an end of the first wall 24 facing away from the housing 23 and an end of the second wall 37 facing away from the mounting plate 36, and a fourth seal 35 may be disposed between an end of the first wall 24 and an end of the second wall 37.

In other embodiments, the mounting base 3 may not include the second wall 37, the side of the mounting base 3 facing the gun body 1 may form a first wall surface, and the fourth seal 35 may be disposed between the end of the first wall 24 facing away from the housing 23 and the first wall surface.

In other embodiments, the gun head 2 may not include the first wall 24, the side of the gun body 1 facing the mount 3 forms the second wall, the mount 3 may not include the second wall 37, the side of the mount 3 facing the gun body 1 forms the first wall, and the fourth seal 35 is disposed between the first wall and the second wall.

The fourth sealing member 35 may be any structure capable of performing a sealing function, and in one example, referring back to fig. 6, the fourth sealing member 35 may include a sealing ring, the fourth sealing member 35 may be sandwiched between the first wall 24 and the second wall 37, the outer side of the fourth sealing member 35 may abut against the first wall 24, and the inner side of the fourth sealing member 35 may abut against the second wall 37, so as to perform a sealing function.

In other examples, the fourth seal 35 may also be a gum cover, a glue strip, or a sealing structure glue.

In order to prevent liquid from entering the charging gun 110 from the jack 21, referring to fig. 6, a first sealing ring 313 may be disposed between the wall surface of the jack 21 surrounded by the gun head 2 and the terminal 31, the first sealing ring 313 is sleeved outside the terminal 31, the inner side of the first sealing ring 313 abuts against the terminal 31, the outer side of the first sealing ring 313 abuts against the wall surface of the jack 21 surrounded by the gun head 2, and a gap between the peripheral wall of the jack 21 and the terminal 31 is sealed by the first sealing ring 313, so that the possibility that liquid enters the mounting cavity 11 from the jack 21 is reduced.

Referring to fig. 6, a second sealing ring 314 may be disposed between the wall surface of the mounting seat 3 surrounding the mounting hole 38 and the terminal 31, the second sealing ring 314 is sleeved outside the terminal 31, the inner side of the second sealing ring 314 abuts against the terminal 31, the outer side of the first sealing ring 313 abuts against the wall surface of the gun head 2 surrounding the jack 21, and the gap between the peripheral wall of the mounting hole 38 and the terminal 31 is sealed by the second sealing ring 314, so that the possibility that liquid is charged from the mounting hole 38 into the gun 110 is reduced.

Further, referring to fig. 7 and 8, the signal terminal 312 may be fixed to the mount 3 with one end protruding into the insertion hole 21. Referring to fig. 6, the power terminal 311 may include a first portion 3111 and a second portion 3112, the first portion 3111 being connected to the gun head 2, the second portion 3112 being connected to the mounting 3, i.e. the first portion 3111 is replaced together when the gun head 2 is replaced. Wherein the first portion 3111 and the second portion 3112 are cooperatively connected, in one example, referring to fig. 6, an end of the first portion 3111 facing the mount 3 is provided with a recess 3113, and the second portion 3112 is inserted within the recess 3113. In another example, the end of the second portion 3112 facing the gun head 2 is provided with a groove 3113, and the first portion 3111 is inserted within the groove 3113.

Referring to fig. 6, in an example in which the mount 3 includes the second wall 37, the second wall 37 may surround the outer periphery of the first portion 3111 and the second portion 3112.

Referring to fig. 6, in an example in which the terminal 31 is externally coated with the first seal ring 313 and the second seal ring 314, the first seal ring 313 on the power terminal 311 may be externally coated with the first portion 3111, and the second seal ring 314 on the power terminal 311 may be externally coated with the second portion 3112.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (15)

1. A charging gun, comprising:

the gun body is internally provided with an installation cavity;

the gun head is arranged on the gun body and is provided with an inserting hole;

The mounting seat is at least partially arranged in the mounting cavity, a terminal is arranged on the mounting seat, and the terminal stretches into the jack;

The first sealing piece is sleeved on the periphery of the mounting seat and is arranged between the inner wall surface of the gun body and the mounting seat.

2. The charging gun of claim 1, wherein the mounting base is provided with a first annular groove, and the first seal is disposed in the first annular groove.

3. The charging gun of claim 1, wherein the first seal comprises a seal ring.

4. The charging gun according to claim 1, further comprising a first threaded connector, wherein a first through hole is formed in the gun head, a first connecting hole is formed in the mounting seat, a first threaded structure is arranged in the first connecting hole, the first threaded connector penetrates through the first through hole and is in threaded connection with the first threaded structure, and a second sealing member is arranged between the wall surface of the first through hole and the first threaded connector in a surrounding mode of the gun head.

5. The charging gun of claim 4, wherein a portion of the first threaded connection within the first through bore is provided with a second annular groove, the second seal comprising a sealing ring, the second seal being disposed within the second annular groove.

6. The charging gun according to claim 5, wherein the first through hole comprises a first hole section and a second hole section which are communicated with each other, the inner diameter of the first hole section is larger than the inner diameter of the second hole section, the first hole section is arranged on one side of the mounting seat of the second hole Duan Beili,

The first threaded connecting piece comprises a first mounting portion and a first threaded portion, the first mounting portion is arranged in the first hole section, one end of the first threaded portion is connected with the first mounting portion, the other end of the first threaded portion penetrates through the second hole section and is in threaded connection with the first threaded structure, and the second annular groove is formed in the first mounting portion.

7. The charging gun according to claim 1, further comprising a second threaded connector, wherein a second through hole is formed in the mounting seat, a second connecting hole is formed in the gun body, a second threaded structure is arranged in the second connecting hole, the second threaded connector penetrates through the second through hole and is in threaded connection with the second threaded structure, and a third sealing piece is arranged between the wall surface of the second through hole and the second threaded connector in a surrounding mode.

8. The charging gun of claim 7, wherein a portion of the second threaded connection within the second through bore is provided with a third annular groove, the third seal comprising a sealing ring, the third seal being disposed within the third annular groove.

9. The charging gun according to claim 8, wherein the second through hole comprises a third hole section and a fourth hole section which are communicated with each other, the inner diameter of the third hole section is larger than the inner diameter of the fourth hole section, the fourth hole section is arranged on one side of the gun head of the third hole Duan Beili,

The second threaded connecting piece comprises a second installation part and a second threaded part, the second installation part is arranged in the third hole section, one end of the second threaded part is connected with the second installation part, the other end of the second threaded part penetrates through the fourth hole section and is in threaded connection with the second threaded structure, and the third annular groove is arranged on the second installation part.

10. The charging gun of claim 1, wherein a gap is formed between the mounting base and the gun head, and a fourth seal is disposed around the periphery of the terminal, the fourth seal being disposed within the gap.

11. The charging gun of claim 10, wherein the gun head comprises a housing and a first wall disposed on a side of the housing facing the mount and extending toward the mount, the first wall surrounding a periphery of the receptacle.

12. The charging gun of claim 11, wherein the mounting base comprises a mounting plate and a second wall body, the second wall body is arranged on one side of the mounting plate facing the gun head and extends towards the gun head, the second wall body surrounds the periphery of the terminal,

The first wall body and the second wall body are arranged around the periphery of the other wall body, the gap is formed between the first wall body and the second wall body, and the fourth sealing piece is clamped between the first wall body and the second wall body.

13. The charging gun of claim 12, wherein the first wall surrounds the periphery of the second wall, a fourth annular groove is provided in the second wall, the fourth seal comprises a sealing ring, and the fourth seal is provided in the fourth annular groove.

14. The charging gun according to any one of claims 1-13, wherein the mounting seat is disposed in the mounting cavity, at least part of the gun head is disposed in the mounting cavity, a fifth sealing member is sleeved on the periphery of the gun head, and the fifth sealing member is disposed between the inner wall surface of the gun body and the gun head.

15. A charging device comprising a power module and a charging gun according to any one of claims 1-14, the charging gun being electrically connected to the power module by a cable.