CN114506233B

CN114506233B - A rifle that charges for new energy automobile

Info

Publication number: CN114506233B
Application number: CN202210411425.6A
Authority: CN
Inventors: 刘楠楠; 程亮; 代小军; 杜民; 马驰; 徐文明; 何睿; 许秀丽; 褚畅
Original assignee: Jiangsu Huaihai New Energy Vehicle Co ltd
Current assignee: Jiangsu Huaihai New Energy Vehicle Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-06-24
Anticipated expiration: 2042-04-19
Also published as: CN114506233A

Abstract

The invention relates to the technical field of new energy automobiles and discloses a charging gun for a new energy automobile, which comprises a gun body, a plug at one end of the gun body, a cable movably sleeved in a grip of the gun body, a storage cavity arranged in the gun body and an electric assembly in the storage cavity, wherein a fixed joint is fixedly connected in the storage cavity, a movable cavity I is arranged at the center of the bottom of the gun body, and a rack is movably sleeved in the movable cavity I. According to the invention, through the design of the whole closed environment of the charging gun, the electric elements in the charging gun are not influenced by dust, and through the design of the cooling container, the fixed cooling pipe, the elastic rubber pipe and the jumping cooling pipe, the cooling liquid can cool the charging gun, so that the problem of melting of internal components caused by temperature rise of the charging gun during charging is avoided, and meanwhile, through the design of the cooling tank, the contact area of the cooling container and the outside is increased, and the heat exchange efficiency of the cooling liquid is improved.

Description

A rifle that charges for new energy automobile

Technical Field

The invention relates to the technical field of new energy automobiles, in particular to a charging gun for a new energy automobile.

Background

Under the big background of environmental protection, electric automobile has become mainstream development trend, and it uses clear electric energy as new power supply, and this makes electric automobile need carry out timely charging behind the power consumption of storage, and this just needs to use supporting electric pile, the rifle that charges to carry out the quick energy that charges to it.

But at the in-process that charges to new energy automobile, because the power that charges is great, the time of charging is longer, the inside electric elements of rifle that charges and the temperature of the head that charges can continuously rise, if the heat dissipation to the rifle that charges is insufficient, high temperature will make its inside electric elements heat altered shape, cause the damage of internals, current rifle heat dissipation that charges, set up the louvre mostly adopts, self-convection through cold and hot air carries out slow heat dissipation, simultaneously in order to guarantee the safety of the head that charges, short-circuit protection mechanism can be added mostly, carry out the outage when the rifle that charges is overheated and handle, but inside heat still need slowly cool off through the mode of air convection, this kind of processing mode can lead to the speed of charging slow, radiating efficiency is also not high, can't satisfy the fast rhythm life of society of contemporary.

Meanwhile, in order to prevent the charging gun from loosening and falling off, most of the existing new energy automobiles are added with an electromagnetic locking function, namely, the charging port is popped out of a locking rod to lock the charging gun through an electromagnetic locking button in the automobile during charging, but the locking mode still has a problem.

Disclosure of Invention

Aiming at the defects of the prior charging gun for the new energy automobile in the background technology in the using process, the invention provides the charging gun for the new energy automobile, which has the advantages that the charging gun can be locked and unlocked by the power-on and power-off of an electromagnet, the locking can be automatically released by the power-off of the electromagnet caused by the pulling force of the automobile, the electromagnet intermittently obtains a steering current to obtain an intermittent alternating magnetic field, a rack reciprocates under the alternating magnetic field, an elastic rubber tube rotates, twists, compresses and deforms when the rack is far away from the electromagnet, cooling liquid in an extrusion pipe flows to enable the cooling liquid to flow, the cooling liquid is extruded by the extrusion cooling pipe to enable the elastic rubber tube to stretch and deform, the direction change switch is extruded by the bounce cooling pipe to enable the electromagnet to intermittently obtain the steering current, a spring for deformation recovery and the elastic rubber tube to reset the rack, the expanded elastic rubber tube attracts the cooling liquid to enable the cooling liquid to flow, and the flowing cooling liquid acts on a fan blade to enable the fan blade to rotate to form air flow to complete heat dissipation, the problem of provide among the above-mentioned background art that current rifle that charges dispels the heat slowly, the rifle that charges drags and lead to damaging is solved.

The invention provides the following technical scheme: a charging gun for a new energy automobile comprises a gun body, a plug at one end of the gun body, a cable movably sleeved in a handle of the gun body, a storage cavity arranged in the gun body, and an electrical assembly in the storage cavity, wherein a fixed joint is fixedly connected in the storage cavity, a socket movably sleeved with the fixed joint is arranged on the cable, one end of the cable, which is positioned in the storage cavity, is fixedly connected with a positioning spring, a movable cavity I is arranged at the center of the bottom of the gun body, a rack is movably sleeved in the movable cavity I, one end of the bottom of the gun body is fixedly connected with an electromagnet, one end of the rack, which is opposite to the electromagnet, is provided with a first magnet, the top end of the gun body is fixedly connected with a cooling container, uniformly distributed cooling grooves are formed in the cooling container, rotating shafts are movably sleeved in the two symmetrical cooling grooves, two symmetrical fixed cooling pipes are fixedly connected at the bottom end of the cooling container, the bottom fixedly connected with elasticity rubber tube of fixed cooling tube, the bottom fixedly connected with of elasticity rubber tube is beated the cooling tube, the fixed gear that has cup jointed in the bottom of beating the cooling tube, the tooth meshing on gear and the rack.

Preferably, the one end of positioning spring with put the thing chamber and keep away from the one end inner wall fixed connection of plug, fixed joint and electrical assembly electric connection, electrical assembly and plug electric connection.

Preferably, the electromagnet is electrically connected with the fixed joint, the automobile charging port is provided with a square groove opposite to the electromagnet, and an iron block is arranged in the square groove.

Preferably, it is adjacent the cooling bath passes through the channel intercommunication, the top and the bottom of axis of rotation all are equipped with the flabellum, the top flabellum of axis of rotation is located the cooling bath, the bottom flabellum of axis of rotation is located fixed cooling tube, the axis of rotation is through sealed processing.

Preferably, the reciprocating cavity has been seted up to the bottom of the rifle body, is close to movable chamber II has been seted up to one side in the reciprocating cavity of plug, it has reversing switch to articulate in the movable chamber II, the reciprocating cavity is located the below of the cooling tube that beats, is close to the bottom fixedly connected with spring I of the cooling tube that beats of plug, the bottom of spring I and the bottom fixed connection in reciprocating cavity.

Preferably, the one end of reversing switch is located the below of the cooling tube that beats in reciprocating cavity, and the bottom fixedly connected with spring II of this one end, reversing switch's other end fixedly connected with contact, contact slot has been seted up to one side top and the bottom that reciprocating cavity was kept away from to activity chamber II, the bottom of the rifle body is equipped with forward circuit and reverse circuit, forward circuit and reverse circuit break off from two contact slot respectively, forward circuit and reverse circuit all communicate with electro-magnet and fixed joint.

The invention has the following beneficial effects:

1. according to the invention, through the design of the whole closed environment of the charging gun, the electric elements in the charging gun are not influenced by dust, and meanwhile, through the mutual matching of the designed cooling container, the fixed cooling pipe, the elastic rubber pipe and the jumping cooling pipe, the cooling liquid can cool the charging gun, so that the problem of internal component melting caused by temperature rise of the charging gun during charging is avoided, and meanwhile, through the design of the cooling tank, the contact area of the cooling container and the outside is increased, and the heat exchange efficiency of the cooling liquid is improved.

2. According to the invention, through the mutual matching of the designed electromagnet, the fixed joint and the socket on the cable, when the charging gun is inserted into a charging port of an automobile and the charging pile starts to supply power for charging, the electromagnet can receive current and adsorb an iron block on the charging port in an electrified manner, so that the purpose of locking the charging gun is achieved, loosening and falling are avoided, when the automobile is started to run by forgetting to pull down the charging gun during charging, the automobile pulls the charging gun, the cable and the fixed joint move away from each other, the fixed joint is separated from the matched socket on the cable, the electromagnet is powered off, the charging gun is locked and fails, the pulling force of the automobile acts on the charging gun to separate from each other, and the problem that the charging gun and the charging pile are damaged due to the fact that the cable is pulled off when the automobile moves is avoided.

3. The invention relates to a magnetic field generator, which comprises a fixed cooling pipe, an elastic rubber pipe, a jumping cooling pipe, a gear, a rack and an electromagnet which are designed to be matched with each other, when the electromagnet is electrified to obtain magnetism, a magnet I on the rack and the electromagnet are mutually exclusive and far away from the electromagnet, teeth on the rack drive the gear to rotate, the jumping cooling pipe synchronously rotates, the elastic rubber pipe generates relative rotation compression deformation at two ends, cooling liquid in the elastic rubber pipe flows under extrusion, the cooling liquid absorbs heat and expands, the cooling liquid presses the jumping cooling pipe to press down by matching with the compression extrusion of the elastic rubber pipe, the elastic rubber pipe generates elongation deformation, the pressing of the jumping cooling pipe presses a reversing switch, a circuit of the electromagnet is turned, the magnetic field of the electromagnet is reversed, and the magnet I on the rack is close to the electromagnet under the attraction of the magnetic field, the reset deformation acting force of a spring I and the recovery deformation acting force of the elastic rubber pipe, the elastic rubber tube is expanded and restored, and the jumping cooling tube is lifted, so that cooling liquid flows rapidly in the cooling container and the cooling tube, and heat of the charging gun is taken away.

4. The invention can act on the fan blades at the bottom of the rotating shaft to rotate the rotating shaft when the cooling liquid in the fixed cooling pipe rapidly flows under the reciprocating motion of the elastic rubber pipe through the mutual matching of the designed fixed cooling pipe, the elastic rubber pipe, the jumping cooling pipe, the gear, the rack, the electromagnet and the rotating shaft, so that the fan blades positioned in the cooling groove of the rotating shaft synchronously rotate, thereby generating airflow flow in the cooling groove and improving the heat dissipation efficiency of the cooling liquid.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective cross-sectional view of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the cooling container of the present invention;

FIG. 4 is a schematic view of a stationary cooling tube configuration according to the present invention;

fig. 5 is a schematic view of the structure of the movable chamber of the present invention.

In the figure: 1. a gun body; 2. a plug; 3. a cable; 4. a storage cavity; 5. an electrical assembly; 6. fixing the joint; 7. a positioning spring; 8. a movable cavity I; 9. a rack; 10. an electromagnet; 11. a reciprocating chamber; 12. a spring I; 13. a movable cavity II; 14. a reversing switch; 15. a contact; 16. a spring II; 17. a contact groove; 171. a forward circuit; 172. an inverter circuit; 18. cooling the container; 19. a cooling tank; 20. fixing the cooling pipe; 21. a rotating shaft; 22. an elastic rubber tube; 23. a pulsating cooling tube; 24. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a charging gun for a new energy automobile comprises a gun body 1, a plug 2 at one end of the gun body 1, a cable 3 movably sleeved in a handle of the gun body 1, a storage cavity 4 formed in the gun body 1, and an electrical assembly 5 in the storage cavity 4, wherein one end of the cable 3 located in the storage cavity 4 is fixedly connected with a positioning spring 7, one end of the positioning spring 7 is fixedly connected with an inner wall of one end of the storage cavity 4 far away from the plug 2, so that the cable 3 cannot be separated from the gun body 1 under the limitation of the positioning spring 7, a fixed joint 6 is fixedly connected in the storage cavity 4, a socket movably sleeved with the fixed joint 6 is formed on the cable 3, the fixed joint 6 is electrically connected with the electrical assembly 5, the electrical assembly 5 is electrically connected with the plug 2, so that when the charging gun is normally charged, the cable 3 can normally contact with the fixed joint 6 through the socket under the limitation of the positioning spring 7, and carrying out current transmission and charging.

Referring to fig. 1 to 3, one end of the bottom of the gun body 1 is fixedly connected with an electromagnet 10, the electromagnet 10 is electrically connected with a fixed joint 6, a square groove opposite to the electromagnet 10 is arranged at a charging port of an automobile, an iron block is arranged in the square groove, when the charging gun is normally charged, the electromagnet 10 can receive current transmitted by a cable 3 through the fixed joint 6 to generate magnetism, the electromagnet 10 is adsorbed with the iron block to lock the charging gun, when an automobile owner forgets to pull out the charging gun to start the automobile in the charging process, the automobile provides pulling force to the gun body 1 to enable the fixed joint 6 to be separated from a joint socket by relative displacement, the electromagnet 10 at the moment does not receive the current to lose magnetism, the locking of the gun body 1 is disabled, the pulling force of the automobile acts on the gun body 1 to enable the gun body 1 to fall off from the charging port, and the problem that the charging gun and the charging pile are damaged due to strong pulling of the gun body 1 is avoided, the bottom center of the gun body 1 is provided with a movable cavity I8, a rack 9 is movably sleeved in the movable cavity I8, and one end, facing the electromagnet 10, of the rack 9 is provided with a magnet (not shown in the figure), so that when the electromagnet 10 receives positive and negative currents and obtains magnetism, the electromagnet and the magnet on the rack 9 can be mutually exclusive and attracted, and the rack 9 can move back and forth far away from and close to the electromagnet 10.

Referring to fig. 1 to 4, a cooling container 18 is fixedly connected to the top end of the gun body 1, cooling grooves 19 are uniformly distributed on the cooling container 18, the adjacent cooling grooves 19 are communicated with each other through a channel, wherein two symmetrical cooling grooves 19 are movably sleeved with a rotating shaft 21, the top and the bottom of the rotating shaft 21 are respectively provided with a fan blade, the top fan blade of the rotating shaft 21 is located in the cooling groove 19, the bottom fan blade of the rotating shaft 21 is located in a fixed cooling pipe 20, the rotating shaft 21 is sealed, when the cooling liquid flows in the fixed cooling pipe 20 and the cooling container 18 by extrusion and suction, the flowing force of the cooling liquid acts on the fan blade at the bottom of the rotating shaft 21 to rotate the fan blade, so that the fan blade at the top of the rotating shaft 21 synchronously rotates, the air flow in the cooling grooves 19 is enabled to improve the heat dissipation efficiency of the cooling liquid in the cooling container 18, the bottom end of the cooling container 18 is fixedly connected with the two symmetrical fixed cooling pipes 20, the fixed cooling pipe 20 penetrates into the object placing cavity 4, the bottom end of the fixed cooling pipe 20 is fixedly connected with an elastic rubber pipe 22, the bottom end of the elastic rubber pipe 22 is fixedly connected with a jumping cooling pipe 23, a gear 24 is fixedly sleeved at the bottom of the jumping cooling pipe 23, the gear 24 is meshed with teeth on the rack 9, when a magnet on the rack 9 and the electromagnet 10 are subjected to mutual exclusion reaction and are far away from the electromagnet 10, the teeth on the rack 9 are meshed with the gear 24, the gear 24 drives the jumping cooling pipe 23 to synchronously rotate, the spring I12 is subjected to rotary deformation, the elastic rubber pipe 22 is subjected to rotary distortion under rotation, the space at the position of the elastic rubber pipe 22 is compressed, the cooling liquid in the pipe is moved towards two sides under compression, the upward flowing cooling liquid acts on fan blades at the bottom of the rotating shaft 21, and the rotating shaft 21 is rotated.

Referring to fig. 2 to 3 and 5, a reciprocating cavity 11 is formed at the bottom of the gun body 1, the reciprocating cavity 11 is located below the jumping cooling pipe 23, a spring i 12 is fixedly connected to the bottom end of the jumping cooling pipe 23 close to the plug 2, the bottom end of the spring i 12 is fixedly connected to the bottom end of the reciprocating cavity 11, a movable cavity ii 13 is formed at one side of the reciprocating cavity 11 close to the plug 2, a reversing switch 14 is hinged in the movable cavity ii 13, one end of the reversing switch 14 is located below the jumping cooling pipe 23 in the reciprocating cavity 11, a spring ii 16 is fixedly connected to the bottom end of the reversing switch 14, a contact 15 is fixedly connected to the other end of the reversing switch 14, contact grooves 17 are formed at the top end and the bottom end of one side of the movable cavity ii 13 far from the reciprocating cavity 11, a forward circuit 171 and a reverse circuit 172 are arranged at the bottom of the gun body 1, the forward circuit 171 and the reverse circuit 172 are respectively disconnected from the two contact grooves 17, the forward circuit 171 and the reverse circuit 172 are both communicated with the electromagnet 10 and the fixed joint 6, the cooling liquid flowing downwards extrudes the jumping cooling pipe 23 to force the jumping cooling pipe 23 to press downwards under the condition that the space between the jumping cooling pipe 23 and the connected elastic rubber pipe 22 is reduced, so that the elastic rubber pipe 22 is deformed and elongated, the spring I12 is compressed, the jumping cooling pipe 23 presses down one end of the reversing switch 14, the spring II 16 is compressed, one end of the reversing switch 14 with the contact 15 is lifted into the contact groove 17 above the movable cavity II 13, the forward circuit 171 is communicated, the current of the electromagnet 10 is reversed, the magnetic field of the electromagnet 10 is reversed, the first magnet on the rack 9 is attracted to be close to the first magnet, the original limiting force on the gear 24 is removed from the rack 9, the gear 24 obtains a new limiting force to rotate reversely, the jumping cooling pipe 23 synchronously rotates, the rotating and deformed spring I12 and the rotating and twisted elastic rubber pipe 22 provide complex acting force for the rack 9 through the gear 24, the rack 9 is enabled to be rapidly close to the electromagnet 10, the elastic rubber tube 22 and the spring I12 can be restored in a short time, at the moment, the compressed spring I12 and the stretched elastic rubber tube 22 start to restore, the jumping cooling tube 23 is enabled to be rapidly lifted up and restored, meanwhile, the compressed spring II 16 drives the reversing switch 14 to be rapidly restored, the contact 15 is enabled to be connected with a reversing circuit again, the magnetic field of the electromagnet 10 is enabled to be reversed again, and the rack 9 is enabled to be away from the electromagnet 10 again.

The use method (working principle) of the invention is as follows:

firstly, the charging gun is held by hand, the plug 2 is inserted into a charging port of an automobile, one end of the electromagnet 10 is inserted into a locking groove of the charging port of the automobile, then the charging pile starts to deliver current, the current is charged through the cable 3, the fixed joint 6, the electric wire, the electric assembly 5 and the plug 2, the contact 15 is communicated with the reverse circuit 172, the electromagnet 10 obtains current, the electromagnet 10 obtains magnetism, the first magnet on the rack 9 and the electromagnet 10 are mutually exclusive, the rack 9 is far away from the electromagnet 10, the teeth on the rack 9 are meshed with the gear 24, the gear 24 drives the jumping cooling pipe 23 to synchronously rotate, the spring I12 is rotated and deformed, the elastic rubber pipe 22 is rotated to rotate, the space at the elastic rubber pipe 22 is compressed, the cooling liquid in the pipe moves to two sides under compression, the upward flowing cooling liquid acts on the fan blades at the bottom of the rotating shaft 21, rotating the rotating shaft 21, so that the fan blades of the rotating shaft 21 positioned in the cooling grooves 19 synchronously rotate, and airflow flows in all the cooling grooves 19 on the cooling container 18;

then, the coolant flowing downwards extrudes the jumping cooling pipe 23, forces the jumping cooling pipe 23 to press downwards under the condition that the space between the jumping cooling pipe 23 and the connected elastic rubber hose 22 is reduced, so that the elastic rubber hose 22 deforms and elongates, the spring I12 is compressed, the jumping cooling pipe 23 presses down one end of the reversing switch 14, the spring II 16 is compressed, one end of the reversing switch 14 with the contact 15 is lifted into the contact groove 17 above the movable cavity II 13, the forward circuit 171 is communicated, the current of the electromagnet 10 is reversed, the magnetic field of the electromagnet 10 is reversed, the first magnet on the rack 9 is attracted and closed, the original limiting force on the gear 24 is removed from the rack 9, the gear 24 obtains a new limiting force to rotate reversely, the jumping cooling pipe 23 synchronously rotates, the rotating and deformed spring I12 and the rotating and twisting elastic rubber hose 22 provide complex acting force on the rack 9 through the gear 24, the rack 9 is quickly drawn close to the electromagnet 10, the elastic rubber tube 22 and the spring I12 can be restored in a short time, at the moment, the compressed spring I12 and the stretched elastic rubber tube 22 start to restore, the jumping cooling tube 23 is quickly lifted and restored, the elastic rubber tube 22 forms an expansion cavity to attract cooling liquid, the cooling liquid quickly flows in the cooling container 18, the cooling liquid extrudes fan blades at the bottom of the rotating shaft 21, the rotating shaft 21 is enabled to rotate reversely, the fan blades of the rotating shaft 21 positioned in the cooling groove 19 are enabled to synchronously rotate reversely, airflow is kept in all the cooling grooves 19 on the cooling container 18 to flow, meanwhile, the compressed spring II 16 drives the reversing switch 14 to quickly restore, the contact 15 is enabled to be connected with a reversing circuit again, the magnetic field of the electromagnet 10 is enabled to be reversed again, the rack 9 is enabled to be away from the electromagnet 10 again, the steps are repeated, and it is worth mentioning that when the reversing switch 14 carries out circuit reverse conversion, the electromagnet 10 is not energized and is not magnetic, but the time interval is short;

finally, when charging is completed, the charging pile does not supply current any more, so that the electromagnet 10 loses magnetism, the locking of the electromagnet 10 fails, the charging gun is pulled down, when a vehicle owner forgets to take off the charging gun after charging is completed to start the vehicle, the movement of the vehicle forces the charging gun which loses locking to be separated from the charging port, when the vehicle owner does not complete charging and forgets to take off the charging gun to start the vehicle, the movement of the vehicle drives the charging gun which is locked to move synchronously, at the moment, the pulling force of the vehicle acts on the cable 3 to cause the cable 3 and the fixed joint 6 to generate relative displacement, the fixed joint 6 is separated from the socket, the positioning spring 7 is compressed, the fixed joint 6 does not receive current any more, the electromagnet 10 loses magnetism, the locking fails, and at the moment, the movement of the vehicle forces the charging gun which loses locking to be separated from the charging port.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rifle that charges for new energy automobile, includes the rifle body (1), the plug (2) of rifle body (1) one end, cable (3) that the interior activity of rifle body (1) handle cup jointed, the interior thing chamber (4) of putting of offering of rifle body (1), put electric assembly (5) in the thing chamber (4), its characterized in that: the electric heat gun is characterized in that a fixed joint (6) is fixedly connected in the object placing cavity (4), a socket which is movably sleeved with the fixed joint (6) is formed in the cable (3), a positioning spring (7) is fixedly connected at one end of the object placing cavity (4) of the cable (3), a movable cavity I (8) is formed in the center of the bottom of the gun body (1), a rack (9) is movably sleeved in the movable cavity I (8), an electromagnet (10) is fixedly connected at one end of the bottom of the gun body (1), the electromagnet (10) is electrically connected with the fixed joint (6), a magnet is arranged at one end, right opposite to the electromagnet (10), of the rack (9), a cooling container (18) is fixedly connected to the top end of the gun body (1), cooling grooves (19) are uniformly distributed in the cooling container (18), two symmetrical cooling grooves (19) are movably sleeved with a rotating shaft (21), the fixed cooling tube (20) of two symmetries of bottom fixedly connected with of cooling container (18), it is adjacent cooling bath (19) is through the channel intercommunication, the top and the bottom of axis of rotation (21) all are equipped with the flabellum, the top flabellum of axis of rotation (21) is located cooling bath (19), the bottom flabellum of axis of rotation (21) is located fixed cooling tube (20), axis of rotation (21) are through sealed processing, the bottom fixedly connected with elasticity rubber tube (22) of fixed cooling tube (20), the bottom fixedly connected with of elasticity rubber tube (22) cooling tube (23) of beating, the bottom of beating cooling tube (23) is fixed to be cup jointed gear (24), gear (24) and the tooth toothing on rack (9).

2. The charging gun for the new energy automobile according to claim 1, characterized in that: one end of the positioning spring (7) is fixedly connected with the inner wall of one end of the storage cavity (4) far away from the plug (2), the fixed joint (6) is electrically connected with the electric assembly (5), and the electric assembly (5) is electrically connected with the plug (2).

3. The charging gun for the new energy automobile according to claim 1, characterized in that: reciprocating cavity (11) have been seted up to the bottom of rifle body (1), are close to movable chamber II (13) have been seted up to one side of reciprocating cavity (11) of plug (2), it has reversing switch (14) to articulate in II (13) in the movable chamber, reciprocating cavity (11) are located the below of beating cooling tube (23), are close to the bottom fixedly connected with spring I (12) of beating cooling tube (23) of plug (2), the bottom of spring I (12) and the bottom fixed connection in reciprocating cavity (11).

4. The charging gun for the new energy automobile according to claim 3, characterized in that: the one end of reversing switch (14) is located the below of beating cooling tube (23) in reciprocating cavity (11), and the bottom fixedly connected with spring II (16) of this one end, the other end fixedly connected with contact (15) of reversing switch (14), contact slot (17) have been seted up to one side top and the bottom that reciprocating cavity (11) were kept away from in activity chamber II (13), the bottom of rifle body (1) is equipped with forward circuit (171) and reverse circuit (172), two contact slot (17) disconnection are followed respectively to forward circuit (171) and reverse circuit (172), forward circuit (171) and reverse circuit (172) all communicate with electro-magnet (10) and fixed joint (6).