CN214254857U

CN214254857U - Integral type rifle afterbody fixed seal structure of being qualified for next round of competitions

Info

Publication number: CN214254857U
Application number: CN202022835820.6U
Authority: CN
Inventors: 杨洋; 刘晓冬
Original assignee: Nanjing Kangni New Energy Auto Parts Co ltd
Current assignee: Nanjing Kangni New Energy Auto Parts Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-09-21
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an integral type rifle tail portion of charging is qualified for next round of competitions fixed seal structure, include: the cable comprises a front insulating plate, a core piece, a rear insulating plate, a shell, a wire locking pressing pipe and a tail cover; the cable penetrates through the tail cover, the wire locking pressing pipe and the shell and is pressed in the core piece; the core piece is inserted into the cavity of the rear insulating plate, and the rear insulating plate is fastened in the cavity of the front insulating plate; the locking wire pressing pipe is inserted into a cavity at the rear end of the shell, and the tail cover is sealed at the rear end of the shell; the front end of the shell is sleeved at the rear end of the front insulating plate. The utility model discloses a tail-hood can be simultaneously to the cable, and the casing protects the protection, and the protection level can reach IP67, and the tail-hood realizes pressing the back-and-forth movement of pipe and twisting reverse to the locking line with the casing jointly.

Description

Integral type rifle afterbody fixed seal structure of being qualified for next round of competitions

Technical Field

The utility model belongs to the technical field of the rifle equipment that charges, concretely relates to integral type rifle tail portion of charging is qualified for next round of competitions fixed seal structure.

Background

Along with the development of new energy electric automobile, the protection requirement of rifle that charges is also higher and higher. The basic composition of charging station is for charging the rifle and filling electric pile, fills electric pile and passes through the cable with high voltage electric power transmission to the rifle that charges and supply electric automobile to charge. The tail sealing structure of the charging gun in the current market is mostly like a Glan head sealing mode. In the charging process, the charging gun cable moves along with the charging gun, and the tail of the charging gun needs to be sealed with the shell of the charging gun.

In order to ensure the sealing reliability, the cable is required to be ensured not to generate extra acting force on the sealing element in the moving process, and the cable and the sealing element are prevented from being loosened during long-time use, so that the sealing failure is caused, and the potential safety hazard is generated. In addition, the cable is inevitably pulled and twisted when the charging gun is used or fixed, which accelerates the aging and deformation of the sealing structure at the joint, generates a gap and causes water leakage or electric leakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide an integral type rifle afterbody of charging is qualified for the next round of competitions fixed seal structure, solve the sealed technical problem of afterbody among the prior art.

In order to solve the technical problem, the utility model provides an integral type rifle afterbody of charging is qualified for next round of competitions fixed seal structure, characterized by, include:

the cable comprises a front insulating plate, a core piece, a rear insulating plate, a shell, a wire locking pressing pipe and a tail cover;

the cable penetrates through the tail cover, the wire locking pressing pipe and the shell and is pressed in the core piece;

the core piece is inserted into the cavity of the rear insulating plate, and the rear insulating plate is fastened in the cavity of the front insulating plate;

the locking wire pressing pipe is inserted into a cavity at the rear end of the shell, and the tail cover is sealed at the rear end of the shell;

the front end of the shell is sleeved at the rear end of the front insulating plate.

Further, an embedded tube protruding forwards is arranged at the rear end of the front insulating plate, a core mounting inner cavity is arranged in the middle of the front insulating plate and located in the embedded tube circle, and the core mounting inner cavity is used for mounting a core;

the front insulation board is provided with a plurality of buckles on the outer wall of the rear end of the embedded pipe, a plurality of front insulation board buckle grooves are formed in the outer wall of the front end of the embedded pipe, the outer wall of the rear end of the embedded pipe is provided with an insert nut, and the insert nut is molded in the front insulation board.

Further, a cable crimping barrel is arranged at the front end of the core piece; the rear end of the cable crimping barrel is provided with a positioning surface and an anti-rotation flat position.

Furthermore, a core piece crimping barrel placing inner cavity is arranged in the middle of the front end of the rear insulating plate, a core piece positioning surface and a core piece anti-rotation flat position are arranged in the core piece crimping barrel placing inner cavity, the positioning surface is matched with the core piece positioning surface, and the anti-rotation flat position is matched with the core piece anti-rotation flat position; a rear insulating plate fastener is arranged on the periphery of the rear end edge of the rear insulating plate; the back insulation board upper insulation board buckle matches with the front insulation board buckle groove on the front insulation board.

Furthermore, a shell inner cavity through which a cable passes is arranged in the center of the shell along the axis, a shell buckling groove is arranged on the wall surface of the inner cavity at the front end of the shell, the shell buckling groove is matched with a buckle on the front insulating plate, and the front insulating plate and the shell are fixed by buckling the buckle and the shell buckling groove; a positioning rib is arranged on the wall surface of the inner cavity at the front end of the shell behind the shell buckling groove and used for fixing the rear end of the rear insulating plate; an axial screw hole is formed in the outer wall surface of the front end of the shell, when the shell is assembled with the front insulating plate, the axial screw hole is aligned with the insert nut on the front insulating plate, and the front end of the shell is fixed with the rear end of the front insulating plate by screwing the insert nut through the axial screw hole by an axial screw;

a plurality of groups of limiting ribs are arranged on the inner wall surface of the inner cavity of the shell at the rear end of the shell, each group of limiting ribs comprises three ribs, the middle rib is recessed and used for placing the left rib and the right rib in the limiting boss, and the ribs on two sides in the three ribs are used for preventing the wire locking pressing pipe from rotating; the rear end of casing is provided with the double-screw bolt in being located the cavity of casing inner chamber, and this double-screw bolt is two effects: so that the tail cover is connected and fixed through 3 self-tapping screws; and the second is sealing with the stud sealing hole. During installation, the stud is placed in the stud sealing hole, and the ribs of the stud sealing hole are sealed with the outer ring of the stud.

The edge of the rear end of the shell is internally provided with a tail cover installation inner cavity which is used for sealing with a shell sealing rib on the tail cover.

Furthermore, the middle of the locking wire pressing pipe is provided with a cable pressing hole for a cable to pass through, the edge of the rear end pipe of the locking wire pressing pipe is provided with a limiting boss extending outwards and used for preventing the locking wire pressing pipe from moving back and forth and twisting, the back and forth movement depends on the middle ribs of the limiting ribs and the stop columns, and the twisting depends on the two side ribs of the limiting ribs.

Furthermore, a cable sealing hole for a cable to pass through is formed in the center of the tail cover along the axis, the tail cover is externally coated with soft rubber, the front end of the tail cover is inserted into the rear end of the shell, in order to enable the tail cover and the shell to be firmly fixed, a boss protruding forwards is arranged at the front end of the tail cover, a shell sealing rib is arranged on the outer side surface of the boss, the tail cover is externally coated with soft rubber, the tail cover is sealed with an inner cavity of the tail cover at the rear end of the shell, and the sealing grade reaches IP 67;

the front end surface of the boss is provided with a plurality of stud sealing holes, and the part is the outer coating soft rubber of the tail cover and is matched with the studs at the rear end of the shell; the front end surface of the boss is provided with a plurality of stop posts.

Furthermore, the tail cover is also provided with a screw mounting hole with a through front end and a through rear end, and the tail cover penetrates through the screw mounting hole through a self-tapping screw to be fixedly connected with the rear end of the shell.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a tail-hood is the rubber coating piece, and the inner frame is PC plastics, and outer cladding is TPE or TPU flexible glue, has the dual function that sealed IP67 pressed the pipe with fixed lock line. After the wire locking pressure pipe is assembled in place, the tail cover is directly installed into the shell and fixed by screws, and sealing and fixing can be completed, wherein the sealing can reach IP 67.

Drawings

Fig. 1 is an exploded view of the sealing structure of the present invention;

fig. 2 is a plan view of the front insulating plate;

fig. 3 is a schematic structural view of a front insulating plate;

FIG. 4 is a front view of the cartridge body;

FIG. 5 is a top view of the rear insulator plate;

FIG. 6 is a front view of the rear insulator plate;

FIG. 7 is a rear view of the rear insulator plate;

FIG. 8 is a side view of the housing;

FIG. 9 is a front view of the housing;

FIG. 10 is a rear view of the housing;

FIG. 11 is a schematic view of a lockwire tube configuration;

FIG. 12 is a front view of the tail cap;

FIG. 13 is a rear view of the tail cap;

FIG. 14 is a schematic view of the soft glue and the skeleton of the tail cap;

FIG. 15 is a schematic structural view of a cable;

FIG. 16 is a schematic view of the installation of a cable through the tail cap and lockwire crimp tube;

FIG. 17 is a schematic view of the installation of a cable through the housing;

FIG. 18 is a schematic view of the installation of the lockwire tube with the housing;

FIG. 19 is a right side view of the seal structure;

fig. 20 is a cross-sectional view a-a of fig. 19.

Reference numerals:

1. 1-1 parts of a front insulating plate, 1-2 parts of a core piece installation inner cavity, 1-3 parts of a buckle, 1-4 parts of an insert nut and a front insulating plate buckle groove;

2. 2-1 of a core piece, 2-2 of a cable crimping cylinder, 2-2 of a positioning surface, 2-3 of an anti-rotation flat position;

3. 3-1 parts of a rear insulating plate, 3-2 parts of a core piece fixing inner cavity, 3-3 parts of a core piece positioning surface, 3-3 parts of a core piece anti-rotation flat position, and 3-4 parts of a rear insulating plate buckle;

4. 4-1 parts of a shell, 4-1 parts of studs, 4-2 parts of limiting ribs, 4-3 parts of a tail cover installation inner cavity, 4-4 parts of a shell inner cavity, 4-5 parts of a shell clamping groove, 4-6 parts of positioning ribs, 4-7 parts of axial screw holes;

5. 5-1 parts of a wire locking and pressing pipe, 5-2 parts of a limiting boss and a cable pressing hole;

6. 6-1 parts of tail cover, 6-2 parts of shell sealing ribs, 6-3 parts of stud sealing holes, 6-4 parts of cable sealing holes, 6-5 parts of stop posts and screw mounting holes;

7. a self-tapping screw;

8. 8-1 parts of a cable, 8-2 parts of an outer sheath and 8-2 parts of a cable core wire;

9. the screw is positioned axially.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including other elements not expressly listed, in addition to those listed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present patent application can be understood in specific cases by those skilled in the art.

The utility model discloses in with the foremost direction of rifle that charges for "preceding", the tail end direction of rifle that charges is "back".

The utility model discloses an integral type rifle tail portion of charging is qualified for next round of competitions fixed seal structure, concrete structure is shown with reference to figures 1-20, include: the cable comprises a front insulating plate 1, a core 2, a rear insulating plate 3, a shell 4, a wire locking pressure pipe 5 and a tail cover 6.

The structure of the front insulating plate 1 is shown in figures 2 and 3, the rear end of the front insulating plate 1 is provided with an embedded pipe protruding forwards, the middle of the front insulating plate is positioned in the ring of the embedded pipe and is internally provided with a core piece installation inner cavity 1-1, the outer wall of the rear end of the embedded pipe is provided with a plurality of buckles 1-2, the outer wall of the front end of the embedded pipe is provided with a plurality of front insulating plate buckle grooves 1-4, the outer wall of the rear end of the embedded pipe is provided with insert nuts 1-3, and the insert nuts 1-3 are injected into the front insulating plate 1. The front insulating plate 1 is fixed with the shell 4 through the buckles 1-2 and the shaft position screws 9.

The core installation cavity requirements of the front insulating plate 1 are based on "IEC 62196-2: 2016 "design P37-38, with a total of 7 lumens as viewed in the figure: two smaller inner cavities are arranged above the core piece and are used for transmitting signals; the lower part of the power supply is provided with 5 larger inner cavities which are power supply and grounding core pieces and are used for current transmission and grounding.

The core member 2 has a structure, as shown in fig. 4, in which a cable crimping barrel 2-1 for crimping a cable is provided at a front end of the core member 2; the rear end of the cable crimping barrel is provided with a positioning surface 2-2 and an anti-rotation flat position 2-3. The cable crimp barrel 2-1 is placed in the core crimp barrel placement cavity 3-1.

The structure of the rear insulating plate 3 is shown in fig. 5-7, a core piece crimping barrel placing inner cavity 3-1 is arranged in the middle of the front end of the rear insulating plate 3, a core piece positioning surface 3-2 and a core piece rotation-preventing flat position 3-3 are arranged inside the core piece crimping barrel placing inner cavity 3-1, the positioning surface 2-2 is matched with the core piece positioning surface 3-2 to perform position prevention, and the rotation-preventing flat position 2-3 is matched with the core piece rotation-preventing flat position 3-3; a rear insulating plate buckle 3-4 is arranged on the periphery of the rear end edge of the rear insulating plate 3; the rear insulating plate buckle 3-4 on the rear insulating plate 3 is matched with the front insulating plate buckle groove 1-4 on the front insulating plate 1, and the rear insulating plate 3 and the front insulating plate 1 are fixed by clamping the rear insulating plate buckle 3-4 and the front insulating plate buckle groove 1-4.

The structure of the shell 4 is shown in fig. 8-9, a shell inner cavity 4-4 through which a cable 8 passes is arranged at the center of the shell 4 along an axis, a shell buckling groove 4-5 is arranged on the wall surface of the inner cavity at the front end of the shell 4, the shell buckling groove 4-5 is matched with a buckle 1-2 on the front insulating plate 1, and the front insulating plate is fixed with the shell 4 by buckling the buckle 1-2 with the shell buckling groove 4-5. And a positioning rib 4-6 is also arranged on the wall surface of the inner cavity at the front end of the shell 4 and behind the shell buckling groove 4-5 and is used for fixing the rear end of the rear insulating plate 3 and preventing the rear insulating plate 3 from rotating. An axial screw hole 4-7 is formed in the outer wall face of the front end of the shell 4, when the shell 4 is assembled with the front insulating plate 1, the axial screw hole 4-7 is aligned with an insert nut 1-3 on the front insulating plate 1, and an axial screw 9 penetrates through the axial screw hole 4-7 to rotate into the insert nut 1-3 to be screwed tightly, so that the front end of the shell 4 is fixed with the rear end of the front insulating plate 1.

Referring to fig. 10, a rear view of the shell is shown, a plurality of groups of limiting ribs 4-2 are arranged on the inner wall surface of the inner cavity 4-4 of the shell at the rear end of the shell, each group of limiting ribs 4-2 comprises three ribs, the middle rib is recessed and used for placing the left rib and the right rib of the limiting boss 5-1, and the ribs on two sides of the three ribs are used for preventing the locking wire pressure pipe 5 from rotating.

The rear end of the shell 4 is provided with a stud 4-1 in a cavity of the inner cavity 4-4 of the shell, and the stud has two functions: so that the tail cover is connected and fixed through 3 self-tapping screws; and the second is sealed with the stud sealing hole 6-2. During installation, the stud 4-1 is placed into the stud sealing hole 6-2, and the rib of the stud sealing hole 6-2 is sealed with the outer ring of the stud 4-1.

The edge of the rear end of the shell 4 is internally provided with a tail cover mounting inner cavity 4-3 which is used for sealing with a shell sealing rib 6-1 on the tail cover 6.

Referring to fig. 11, the structure of the locking and crimping pipe 5 is that a cable crimping hole 5-2 through which a cable 8 passes is formed in the middle of the locking and crimping pipe 5, a limiting boss 5-1 extending outwards is arranged at the edge of the rear end pipe of the locking and crimping pipe 5 and used for preventing the locking and crimping pipe 5 from moving back and forth and twisting, the moving back and forth depends on a middle rib of the limiting rib 4-2 and a stopping column 6-4, and the twisting depends on two side ribs of the limiting rib 4-2. The locking wire pressing pipe 5 is fixed on the outer sheath 8-1 through compression.

The structure of the tail cover 6 is shown in figure 14 and is formed by splicing an outer wrapping soft rubber and a framework, as shown in figure 12, a cable sealing hole 6-3 for a cable 8 to pass through is formed in the center of the tail cover along the axis, the front end of the tail cover 6 is inserted into the rear end of the shell 4, in order to enable the tail cover and the shell to be fixed firmly, a forward protruding boss is arranged at the front end of the tail cover 6, a shell sealing rib 6-1 is arranged on the outer side face of the boss, the tail cover 6 is wrapped by the outer wrapping soft rubber and is sealed with a tail cover mounting inner cavity 4-3 at the rear end of the shell 4, and the sealing grade reaches IP 67.

The front end face of the boss is provided with a plurality of stud sealing holes 6-2, the part is the outer covering soft rubber of the tail cover and is matched with the studs 4-1 at the rear end of the shell 4 to realize sealing.

A plurality of stop columns 6-4 are arranged on the front end face of the boss; the part is a framework of the tail cover, and the framework is made of a PC material through injection molding.

The tail cover 6 is also provided with screw mounting holes 6-5 which are through from front to back, and as shown in fig. 13, self-tapping screws 7 pass through the screw mounting holes 6-5 to be fastened and connected with the back end of the shell 4.

Structure of the cable 8 referring to fig. 15, the cable 8 includes a cable core 8-2 and an outer sheath 8-1 covering the cable core 8-2.

The following is a further description of the assembly relationship between the parts:

structure of the cable 8 referring to fig. 15, the outer sheath 8-1 is peeled off at the front end of the cable 8 to expose the cable core 8-2 inside.

The front end of the cable 8 penetrates through a cable sealing hole 6-3 in the tail cover 6 and then penetrates through a cable crimping hole 5-2 of the locking wire pressing pipe 5, and after the front end of the cable 8 penetrates out of the locking wire pressing pipe 5 for a length, the cable crimping hole 5-2 and an outer sheath 8-1 of the cable 8 are crimped. As shown in fig. 16.

Then, the front end of the cable 8 continuously penetrates through a shell inner cavity 4-4 in the shell 4, so that the locking line pressing pipe 5 is placed into the shell inner cavity 4-4 at the rear end of the shell 4, then the locking line pressing pipe 5 is rotated to a position between a stud 4-1 at the upper left side and a limiting rib 4-2 at the left side as shown in fig. 17, and a boss at the left side of the locking line pressing pipe 5 is rotated to a position between the stud 4-1 at the upper left side and the limiting rib 4-2 at the left side; the middle boss rotates to the left side of the stud 4-1 at the upper right side and the upper left side; the right boss rotates to the position below the right limit rib 4-2. So that the lockwire pressure pipe 5 can pass through the inner cavity 4-4 of the shell, and then the lockwire pressure pipe 5 can be pressed.

And a front cable core wire 8-2 of the cable 8 penetrates through a core piece fixing inner cavity 3-1 on the rear insulating plate 3 and then is in compression joint with a cable compression joint barrel 2-1 on the core piece 2.

The core piece 2 is fixed in a core piece fixing inner cavity 3-1 on the rear insulating plate 3, the positioning surface 2-2 is matched with the core piece positioning surface 3-2 to perform stop, and the anti-rotation flat position 2-3 is matched with the core piece anti-rotation flat position 3-3 to perform anti-rotation.

Then, the rear insulating plate 3 is arranged in the front insulating plate 1 and is pre-fixed with the front insulating plate buckling grooves 1-4 on the front insulating plate 1 through the rear insulating plate buckles 3-4.

The cable 8 and the wire locking pressure pipe 5 are withdrawn, the front insulating plate 1 and the shell 4 are clamped with the shell clamping groove 4-5 through a clamp 1-2, the shaft position screw 9 penetrates through the shaft position screw hole 4-7 to rotate into the insert nut 1-3 to be screwed tightly, and the front end of the shell 4 and the rear end of the front insulating plate 1 are fixed.

The locking wire pressing pipe 5 is fixed, the locking wire pressing pipe 5 is rotated to the position as shown in fig. 18, and then the limiting bosses 5-1 are placed into the limiting ribs 4-2 (specifically, the limiting bosses 5-1 on the left side and the right side of the locking wire pressing pipe are placed with the limiting ribs between the upper ribs and the lower ribs of 4-2 and are flatly attached to the middle ribs in a face-to-face manner). The limiting ribs 4-2 are used for preventing the wire locking pipe 5 from rotating and moving forwards.

The tail cover 6 is placed in the tail cover mounting inner cavity 4-3, the shell sealing ribs 6-1 on the tail cover 6 are placed in the tail cover mounting inner cavity 4-3 for sealing, and then the self-tapping screws 7 penetrate through the screw mounting holes 6-5 to be fixedly connected with the screw columns 4-1 at the rear end of the shell 4. The tail cap 6 is fixed to the housing 4. The stop column 6-4 is used for preventing the wire locking pipe 5 from moving backwards. The stud sealing hole 6-2 is used for sealing the stud 4-1.

After the installation, referring to fig. 19 to 20, the front insulating plate 1, the core 2, the rear insulating plate 3, the shell 4, the lockwire pipe 5 and the tail cap 6 are tightly connected in sequence from front to back.

The utility model discloses a tail-hood can be simultaneously to the cable, and the casing protects the protection, and the protection level can reach IP67, and the tail-hood realizes pressing the back-and-forth movement of pipe and twisting reverse to the locking line with the casing jointly.

The existing tail structure is a part with a sealing function, and is fixed as a part, and the tail cover in the patent only uses one part to realize the protection function and the fixing function together, so that the tail cover is simple in assembly, and the time for assembling the sealing part and the fixing part in the existing product is saved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. Integral type rifle tail portion of charging is qualified for next round of competitions fixed seal structure, characterized by includes:

the cable comprises a front insulating plate (1), a core piece (2), a rear insulating plate (3), a shell (4), a wire locking pressure pipe (5) and a tail cover (6);

the cable penetrates through the tail cover (6), the wire locking pressure pipe (5) and the shell (4) and is pressed in the core piece (2);

the core piece (2) is inserted into the cavity of the rear insulating plate (3), and the rear insulating plate (3) is fastened in the cavity of the front insulating plate (1);

the wire locking pressing pipe (5) is inserted into a cavity at the rear end of the shell (4), and the tail cover (6) is sealed at the rear end of the shell (4);

the front end of the shell (4) is sleeved at the rear end of the front insulating plate (1).

2. The tail wire outlet fixing and sealing structure of the integrated charging gun according to claim 1, characterized in that the rear end of the front insulating plate (1) is provided with a forwardly protruding embedded tube, the middle of the front insulating plate is positioned in the ring of the embedded tube and is provided with a core mounting inner cavity (1-1), the outer wall of the rear end of the embedded tube is provided with a plurality of buckles (1-2), and the outer wall of the front end of the embedded tube is provided with a plurality of front insulating plate buckle grooves (1-4).

3. The tail outlet line fixing and sealing structure of the integrated charging gun according to claim 2, characterized in that,

the front end of the core piece (2) is provided with a cable crimping barrel (2-1); the rear end of the cable crimping barrel (2-1) is provided with a positioning surface (2-2) and an anti-rotation flat position (2-3).

4. The tail wire outlet fixing and sealing structure of the integrated charging gun according to claim 3, characterized in that a core crimping barrel placing inner cavity (3-1) is arranged in the middle of the front end of the rear insulating plate (3), a core positioning surface (3-2) and a core rotation-preventing flat position (3-3) are arranged inside the core crimping barrel placing inner cavity (3-1), the positioning surface (2-2) is matched with the core positioning surface (3-2), and the rotation-preventing flat position (2-3) is matched with the core rotation-preventing flat position (3-3); rear insulating plate buckles (3-4) are arranged on the periphery of the rear end edge of the rear insulating plate (3); the rear insulating plate buckle (3-4) on the rear insulating plate (3) is matched with the front insulating plate buckle groove (1-4) on the front insulating plate (1).

5. The tail outgoing line fixing and sealing structure of the integrated charging gun according to claim 2 is characterized in that a shell inner cavity (4-4) through which a cable (8) passes is formed in the center of the shell (4) along an axis, a shell buckling groove (4-5) is formed in the wall surface of the inner cavity at the front end of the shell (4), and the shell buckling groove (4-5) is matched with a buckle (1-2) on the front insulating plate (1).

6. The tail outlet wire fixing and sealing structure of the integrated charging gun according to claim 1, characterized in that a cable crimping hole (5-2) for a cable (8) to pass through is formed in the middle of the locking wire pressing pipe (5), and a limiting boss (5-1) extending outwards is arranged at the edge of the rear end pipe of the locking wire pressing pipe (5);

the rear end of the shell is provided with a plurality of groups of limiting ribs (4-2) on the inner wall surface of the inner cavity (4-4) of the shell, and the limiting ribs (4-2) are matched with limiting bosses (5-1) on the wire locking pressure pipe (5).

7. The tail outgoing line fixing and sealing structure of the integrated charging gun according to claim 2, characterized in that an insert nut (1-3) is arranged on the outer wall of the rear end of the embedded tube of the front insulating plate (1), and the insert nut (1-3) is injected into the front insulating plate (1);

the outer wall surface of the front end of the shell (4) is provided with an axial screw hole (4-7);

when the shell (4) is assembled with the front insulating plate (1), the shaft position screw holes (4-7) are aligned with the insert nuts (1-3) on the front insulating plate (1), the shaft position screws (9) penetrate through the shaft position screw holes (4-7) to rotate into the insert nuts (1-3) to be screwed, and the front end of the shell (4) is fixed with the rear end of the front insulating plate (1).

8. The tail outlet wire fixing and sealing structure of the integrated charging gun according to claim 1, characterized in that a cable sealing hole (6-3) for a cable (8) to pass through is arranged at the center of the tail cover (6) along the axis, the front end of the tail cover (6) is inserted into the rear end of the shell (4),

the front end of the tail cover (6) is provided with a boss protruding forwards, the outer side surface of the boss is provided with a shell sealing rib (6-1), the edge of the rear end of the shell (4) is internally provided with a tail cover mounting inner cavity (4-3), and the shell sealing rib (6-1) is matched with the tail cover mounting inner cavity (4-3) at the rear end of the shell (4) in a sealing way.

9. The tail outlet wire fixing and sealing structure of the integrated charging gun according to claim 8, wherein a stud (4-1) is arranged in a cavity of the inner cavity (4-4) of the shell at the rear end of the shell (4);

the front end face of the boss of the tail cover (6) is provided with a plurality of stud sealing holes (6-2), and the stud sealing holes (6-2) are matched with studs (4-1) at the rear end of the shell (4).

10. The tail outlet wire fixing and sealing structure of the integrated charging gun according to claim 9, wherein the tail cover (6) is further provided with screw mounting holes (6-5) with the front end and the rear end communicated with each other, and self-tapping screws (7) penetrate through the screw mounting holes (6-5) to be fixedly connected with the rear end of the shell (4).