CN112026569A

CN112026569A - Anti-collision and anti-flooding charging pile device

Info

Publication number: CN112026569A
Application number: CN202010973211.9A
Authority: CN
Inventors: 姚季利
Original assignee: Wenzhou Duxuchun Electronic Technology Co ltd
Current assignee: Wenzhou Duxuchun Electronic Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2020-12-04

Abstract

The invention discloses an anti-collision and anti-flooding charging pile device, which comprises a base, wherein a hemispherical block is slidably connected to the concave part of the base, a box body is fixed on the upper side of the hemispherical block, a cavity is arranged in the box body, and the inner wall of the cavity is slidably connected with a transverse plate positioned on the upper side of the hemispherical block.

Description

Anti-collision and anti-flooding charging pile device

Technical Field

The invention relates to the field of new energy automobiles, in particular to an anti-collision and anti-flooding charging pile device.

Background

The automobile charging pile is fixed on the ground or a wall, an automobile scraping and rubbing accident is easy to happen during parking, the automobile is fixed on the ground even when the automobile charging pile is deformed, the temperature in the charging pile is increased due to the operation of a machine, moisture in an underground garage is increased, a short-circuit accident is easy to happen, and the automobile charging pile needs to have cleaning and drying functions.

Disclosure of Invention

The technical problem is as follows:

fill electric pile and can not waterproof and cooling, dry effect that directly influences work, present automobile fills electric pile does not have the effect of cutting to rubbing degree and preventing flooding, self-cleaning that takes place when reducing the car striking.

In order to solve the problems, the present embodiment designs an anti-collision and anti-flooding charging pile device, which comprises a base, wherein a hemispherical block is slidably connected to a concave part of the base, a box body is fixed on the upper side of the hemispherical block, a cavity is arranged in the box body, a transverse plate is slidably connected to the inner wall of the cavity and positioned on the upper side of the hemispherical block, a fixing plate is fixed on the lower side of the transverse plate, a fixing cavity is arranged in the fixing plate, the fixing plate is provided with a through groove which penetrates through the upper and lower inner walls of the fixing cavity and extends upwards, a fixing column is fixed on the upper side of the transverse plate, the transverse plate is slidably connected with two fixing rods which are bilaterally symmetrical with respect to the fixing column, the fixing rods are slidably connected to the upper and lower inner walls of the fixing cavity, the lower sides of the fixing rods are fixed on the hemispherical block, an auxiliary cavity is arranged in the auxiliary box body, a sleeve is rotatably connected to the inner wall of the lower side of the auxiliary cavity, the sleeve is slidably connected with a main shaft which extends downwards into the through groove, the main shaft is slidably connected with a slide block positioned on the lower side of the auxiliary box body, a spring is arranged between the upper side of the slide block and the lower side of the auxiliary box body, an auxiliary slide block fixed on the main shaft is arranged on the lower side of the spring, a triangular groove with an opening on the upper side is arranged in the auxiliary slide block, a gear positioned in the auxiliary cavity is fixed on the main shaft, a moving block rotatably connected to the main shaft is arranged on the upper side of the gear, a fixed spring is arranged between the upper side of the moving block and the inner wall of the upper side of the auxiliary cavity, a connecting rod is fixed on the right side of the moving block, a spline sleeve is rotatably connected to the, the countershaft is fixed with the highest side and is located the irregular wheel of connecting rod downside horizontal segment upside, the irregular wheel left side is equipped with and is fixed in the motor of vice chamber downside inner wall, the motor upside rotates and is connected with the master gear, be equipped with in the dead lever through-connection in the connection chamber that leads to the groove, connect intracavity wall sliding connection have the right side butt in the sliding block of main shaft, the sliding block left side with be equipped with coupling spring between the connection chamber left side inner wall, the cavity left side is equipped with the heat dissipation drying device who is used for the heat dissipation drying, fixed intracavity is equipped with and is used for clear cleaning device.

Preferably, the heat dissipation drying device comprises a cylinder fixed on the inner wall of the left side of the cavity, a cylindrical cavity which is through from left to right is arranged in the cylinder, a vertical rod is fixed on the upper inner wall and the lower inner wall of the cylindrical cavity, the vertical rod is connected with a rotating shaft which extends from left to right in a rotating manner, the rotating shaft is connected with an auxiliary sleeve which is connected to the left side of the vertical rod in a sliding manner, the auxiliary sleeve is fixed with two connecting rods which are symmetrical up and down relative to the rotating shaft, one side of the connecting rods, which is far away from the rotating shaft, is rotatably connected with a cylinder, one side of the cylinder, which is far away from the rotating shaft, is fixedly provided with fan blades, the front side of the cylinder is rotatably connected with a push rod which extends leftwards, the, vice runner rotates to be connected with and is fixed in the montant right side just is located the vice motor of axis of rotation upside, the montant is equipped with and is located the cross slot of axis of rotation downside, cross slot inner wall sliding connection has the pole that links up that extends right, link up vertical section upside sliding connection in the axis of rotation right side, the meshing of pole horizontal segment downside is connected with the rotation wheel, it is fixed in to rotate the rotation of wheel rear side the steering motor on montant right side.

Preferably, the cleaning device comprises a secondary wheel fixed on the main shaft and located in the through groove, a moving block is connected to the inner wall of the fixed cavity in a sliding mode, a secondary connecting rod is fixed to the lower side of the moving block, a wiping plate abutting against the upper side of the hemispherical block is fixed to the lower side of the secondary connecting rod, two secondary rotating wheels which are bilaterally symmetrical are rotatably connected to the inner wall of the upper side of the fixed cavity, the secondary rotating wheels are rotatably connected through a belt, and the belt is fixed to the moving block.

Preferably, a driving motor positioned at the left side of the fixing rod at the left side is fixed at the upper side of the transverse plate, the front side of the driving motor is rotationally connected with a driving wheel which is meshed and connected with the fixed rod on the left side, the upper side of the fixed column is fixed with a ring-shaped block, two annular grooves which are symmetrical front and back are arranged on the upper side of the annular block, two idler wheels which are symmetrical left and right relative to the fixed column are connected on the inner wall of the annular groove in a sliding manner, the roller is rotationally connected with auxiliary connecting rods extending upwards, the upper sides of the four auxiliary connecting rods are fixed with charging modules, two limiting springs which are bilaterally symmetrical relative to the fixed column are fixed on the left side and the right side of the charging module, one side of the limiting spring, which is far away from the fixed column, is fixed on the left and right inner walls of the cavity, a lead is fixed on the upper side of the charging module, wire upside fixedly connected with rifle that charges, the rifle fixed connection that charges in cavity right side inner wall.

The invention has the beneficial effects that: the invention utilizes the principle of a tumbler, can effectively reduce the damage degree of scraping and rubbing of automobiles, and also reduces the possibility that the internal charging module is exploded due to strong collision. .

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

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

Fig. 2 is an enlarged structure diagram A in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C-C in fig. 3.

Fig. 5 is an enlarged schematic view of D in fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an anti-collision and anti-water-flooding charging pile device, which comprises a base 11, wherein a semispherical block 12 is slidably connected at the concave part of the base 11, a box body 15 is fixed at the upper side of the semispherical block 12, a cavity 21 is arranged in the box body 15, a transverse plate 14 positioned at the upper side of the semispherical block 12 is slidably connected with the inner wall of the cavity 21, a fixing plate 55 is fixed at the lower side of the transverse plate 14, a fixing cavity 56 is arranged in the fixing plate 55, the fixing plate 55 is provided with a through groove 61 which penetrates through the upper and lower inner walls of the fixing cavity 56 and extends upwards, a fixing column 30 is fixed at the upper side of the transverse plate 14, the transverse plate 14 is slidably connected with two fixing rods 13 which are bilaterally symmetrical relative to the fixing column 30, the fixing rods 13 are slidably connected with the upper and lower inner walls of the fixing cavity 56, the lower sides, an auxiliary cavity 46 is arranged in the auxiliary box body 29, a sleeve 67 is rotatably connected to the inner wall of the lower side of the auxiliary cavity 46, the sleeve 67 is slidably connected with a main shaft 48 extending downwards into the through groove 61, the main shaft 48 is slidably connected with a slide block 65 positioned on the lower side of the auxiliary box body 29, a spring 66 is arranged between the upper side of the slide block 65 and the lower side of the auxiliary box body 29, an auxiliary slide block 64 fixed to the main shaft 48 is arranged on the lower side of the spring 66, a triangular groove 72 with an upper opening is arranged in the auxiliary slide block 64, a gear 51 positioned in the auxiliary cavity 46 is fixed on the main shaft 48, a moving block 50 rotatably connected to the main shaft 48 is arranged on the upper side of the gear 51, a fixed spring 49 is arranged between the upper side of the moving block 50 and the inner wall of the upper side of the auxiliary cavity 46, a, a pinion 74 positioned at the lower side of the upper horizontal section of the link 71 is fixed to the spline sleeve 75, the spline sleeve 75 is splined with a secondary shaft 69 rotatably connected to the inner wall of the lower side of the secondary chamber 46, the counter shaft 69 is fixed with an irregular wheel 70 whose highest side is positioned at the upper side of the horizontal section at the lower side of the connecting rod 71, the left side of the irregular wheel 70 is provided with a motor 68 fixed on the inner wall of the lower side of the auxiliary cavity 46, a main gear 47 is rotatably connected to the upper side of the motor 68, a connecting cavity 53 connected to the through groove 61 is formed in the fixing rod 13, a slide block 52 with the right side abutting against the main shaft 48 is connected with the inner wall of the connecting cavity 53 in a sliding way, a connecting spring 54 is arranged between the left side of the sliding block 52 and the inner wall of the left side of the connecting cavity 53, a heat dissipation drying device 901 for heat dissipation drying is arranged at the left side of the cavity 21, and a cleaning device 902 for cleaning is arranged in the fixed cavity 56.

Advantageously, the heat dissipation drying device 901 comprises a cylinder 20 fixed on the left inner wall of the cavity 21, a right-left through cylindrical cavity 19 is arranged in the cylinder 20, a vertical rod 44 is fixed on the upper and lower inner walls of the cylindrical cavity 19, the vertical rod 44 is rotatably connected with a rotating shaft 36 extending right and left, the rotating shaft 36 is splined with a secondary sleeve 34 slidably connected with the left side of the vertical rod 44, the secondary sleeve 34 is fixed with two connecting rods 33 which are vertically symmetrical with respect to the rotating shaft 36, a cylinder 43 is rotatably connected on one side of the connecting rods 33 away from the rotating shaft 36, fan blades 45 are fixed on one side of the cylinder 43 away from the rotating shaft 36, a left-extending push rod 31 is rotatably connected on the front side of the cylinder 43, a secondary cylinder 32 is rotatably connected on the left side of the push rod 31, a fixing block, the rotating shaft 36 is rotatably connected with a rotating wheel 40 positioned on the right side of the vertical rod 44, the rotating wheel 40 is meshed with an auxiliary rotating wheel 41, the auxiliary rotating wheel 41 is rotatably connected with an auxiliary motor 42 fixed on the right side of the vertical rod 44 and positioned on the upper side of the rotating shaft 36, the vertical rod 44 is provided with a transverse groove 73 positioned on the lower side of the rotating shaft 36, the inner wall of the transverse groove 73 is slidably connected with a connecting rod 39 extending rightwards, the upper side of the vertical section of the connecting rod 39 is slidably connected with the right side of the rotating shaft 36, the lower side of the horizontal section of the connecting rod 39 is meshed with a rotating wheel 37, the rear side of the rotating wheel 37 is rotatably connected with a steering motor 38 fixed on the right side of the vertical rod 44, the auxiliary motor 42 rotates the auxiliary rotating wheel 41 backwards, the auxiliary rotating wheel 41 rotates the rotating shaft 36 forwards through the rotating wheel 40, when the temperature in the cavity 21 is too high, the steering motor 38 rotates the rotating wheel 37 clockwise, the rotating wheel 37 causes the connecting rod 39 to drive the rotating shaft 36 to move rightwards, and simultaneously the fixed block 35 drives the auxiliary cylinder 32 to move rightwards, so that the auxiliary cylinder 32 rotates the cylinder 43 through the push rod 31, so that the fan blades 45 discharge air leftwards, so that heat is dissipated in the cavity 21, and when the humidity in the cavity 21 is high, the steering motor 38 drives the rotating wheel 37 to rotate anticlockwise, so that the rotating shaft 36 moves leftwards, so that the auxiliary cylinder 32 pulls the cylinder 43 leftwards through the push rod 31, so that the fan blades 45 discharge air rightwards, and the cavity 21 is dried.

Advantageously, the cleaning device 902 includes a secondary wheel 63 fixed to the main shaft 48 and located in the through slot 61, a moving block 58 is slidably connected to an inner wall of the fixed cavity 56, a secondary connecting rod 60 is fixed to a lower side of the moving block 58, a wiping plate 59 abutting against an upper side of the hemispherical block 12 is fixed to a lower side of the secondary connecting rod 60, two secondary rotating wheels 62 which are bilaterally symmetrical are rotatably connected to an inner wall of an upper side of the fixed cavity 56, the secondary rotating wheels 62 are rotatably connected through a belt 57, the belt 57 is fixed to the moving block 58, the main shaft 48 moves downward to move the secondary wheel 63 downward, when the secondary wheel 63 is engaged with the secondary rotating wheel 62 on the right side, the secondary rotating wheels 62 rotate the secondary rotating wheels 62, the moving block 58 slides along the inner wall of the fixed cavity 56 through the belt 57, and the wiping plate 59 moves through the secondary connecting rod 60 by the fixed cavity 56, the upper side of the hemispherical block 12 is wiped clean.

Advantageously, a driving motor 17 positioned on the left side of the fixing rod 13 on the left side is fixed on the upper side of the transverse plate 14, a driving wheel 16 meshed with the fixing rod 13 on the left side is rotatably connected to the front side of the driving motor 17, a ring block 18 is fixed on the upper side of the fixing column 30, two ring grooves 27 symmetrical front and back are formed on the upper side of the ring block 18, two rollers 28 symmetrical left and right with respect to the fixing column 30 are slidably connected to the inner wall of the ring groove 27, an upwardly extending secondary connecting rod 26 is rotatably connected to the roller 28, a charging module 76 is fixed on the upper side of the four secondary connecting rods 26, two limiting springs 24 symmetrical left and right with respect to the fixing column 30 are fixed on the left and right inner walls of the cavity 21 on the left and right sides of the charging module 76, a lead 22, wire 22 upside fixedly connected with rifle 23 that charges, rifle 23 that charges fixed connection in cavity 21 right side inner wall.

The use steps herein are described in detail below with reference to fig. 1-5:

initially, the driving motor 17, the sub-motor 42, the steering motor 38, and the motor 68 are in the off state, the sub-slider 64 is located on the upper side of the horizontal plate 14, and the gear 51 and the sub-gear 74 are located on the upper side of the main gear 47.

When the device is used, the base 11 is placed in an underground parking lot, the base 11 is fixed on the ground, if an automobile touches the device in the process of backing, the hemispherical block 12 can swing like a tumbler, meanwhile, the box body 15 on the upper side can swing together to prevent the automobile from being scratched and deformed, the roller 28 can move left and right along the annular groove 27, the limiting springs 24 on the left side and the right side can also have the damping effect to prevent the charging module 76 from being collided and exploded, when the underground garage is flooded by water, the driving motor 17 can be started by the rise of the water level, the driving motor 17 can enable the driving wheel 16 to rotate clockwise, the driving wheel 16 can enable the transverse plate 14 to slide upwards along the inner wall of the cavity 21, at the moment, the fixing columns 30 on the upper side of the transverse plate 14 can move upwards together to prevent the electric appliance from being affected with damp, and when the transverse plate 14 moves upwards, until the sliding block 52 is abutted between the auxiliary sliding block 64 and the sliding block 65, when water is removed, sewage is accumulated on the upper side of the hemispherical block 12 and needs to be cleaned, at the moment, the driving motor 17 is enabled to rotate reversely, the fixed rod 13 is enabled to move downwards along the inner wall of the cavity 21 through the driving wheel 16, at the same time, the sliding block 52 drives the auxiliary sliding block 64 to move downwards together, at the same time, the main shaft 48 moves downwards together, the motor 68 is enabled to be started, the motor 68 enables the main gear 47 to rotate, when the gear 51 on the main shaft 48 is meshed with the main gear 47, the main shaft 48 is enabled to rotate, so that the auxiliary wheel 63 on the lower side is enabled to rotate, when the gear 51 is meshed with the main gear 47, the auxiliary wheel 63 is just meshed with the auxiliary rotating wheel 62, the belt 57 drives the moving block 58 to move along the inner wall of the fixed cavity 56, at the same time, the moving block 58, the moving block 50 moves downwards together when the main shaft 48 moves downwards, the fixed spring 49 is stretched, the moving block 50 drives the connecting rod 71 to move downwards together, when the main gear 47 is meshed with the gear 51 and just meshed with the secondary gear 74, the secondary gear 74 rotates to enable the secondary shaft 69 to rotate, the secondary shaft 69 rotates to enable the irregular wheel 70 to rotate, when the downward protruding side of the irregular wheel 70 is abutted with the horizontal section of the lower side of the connecting rod 71, the connecting rod 71 enables the connecting rod 71 to move downwards, the connecting rod 71 enables the main shaft 48 to move downwards through the moving block 50, the spring 66 moves to the lower side of the sliding block 52, when the protruding side of the irregular wheel 70 is separated from the abutting with the horizontal section of the lower side of the connecting rod 71, the main shaft sliding block 48 moves upwards under the action of the fixed spring 49, the sliding block 65 is shifted downwards by the sliding block 52, the spring 66 is stretched, when the spring 66 moves into the triangular groove 72, at this time, the connecting spring 54 contracts, the main shaft 48 continues to move upwards, the gear 51 is separated from the belt 57 and the secondary gear 74 is also separated from the main gear 47, the main shaft 48 and the secondary shaft 69 stop rotating, at this time, the upper side of the hemispherical block 12 is completely cleaned, the moisture in the cavity 21 is too large due to flooding, which easily causes short circuit of the instrument, at this time, the secondary motor 42 is started, the secondary motor 42 rotates the secondary runner 41 backwards, the secondary runner 41 rotates the runner 40 forwards, the rotating shaft 36 rotates the connecting rod 33 through the secondary sleeve 34, the connecting rod 33 rotates the fan blades 45 through the cylinder 43, the steering motor 38 is started, the rotating wheel 38 rotates the rotating wheel 37 clockwise, the rotating wheel 37 causes the connecting rod joint 39 to move rightwards, the joint rod 39 causes the fixed block 35 to move rightwards through the rotating shaft 36, and the secondary cylinder 32 rotates the cylinder 43 through, the fan 45 rotates to make the air sucked into the cavity 21 from the left side to dry, and if the temperature in the cavity 21 is too high, the steering motor 38 rotates reversely to exhaust the hot air in the cavity 21.

When the operation is completed, the driving motor 17, the sub motor 42, the steering motor 38, and the motor 68 are turned off, and the wiper 59 is replaced.

The invention has the beneficial effects that: the invention utilizes the principle of a tumbler, can effectively reduce the damage degree of scraping and rubbing of automobiles, and also reduces the possibility that the internal charging module is exploded due to strong collision.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fill electric pile device that crashproof water logging, includes the base, base concave sliding connection has hemisphere piece, hemisphere piece upside is fixed with the box, be equipped with the cavity in the box, cavity inner wall sliding connection has and is located the diaphragm of hemisphere piece upside, its characterized in that: a fixed plate is fixed on the lower side of the transverse plate, a fixed cavity is arranged in the fixed plate, the fixed plate is provided with a through groove which penetrates through the upper inner wall and the lower inner wall of the fixed cavity and extends upwards, a fixed column is fixed on the upper side of the transverse plate, the transverse plate is connected with two fixed rods which are bilaterally symmetrical relative to the fixed column in a sliding manner, the fixed rods are connected with the upper inner wall and the lower inner wall of the fixed cavity in a sliding manner, the lower sides of the fixed rods are fixed on the hemispherical block, an auxiliary box body which is positioned on the upper side of the transverse plate is fixed on the inner wall of the right side of the cavity, an auxiliary cavity is arranged in the auxiliary box body, the inner wall of the lower side of the auxiliary cavity is connected with a sleeve in a rotating manner, the sleeve is connected with, a triangular groove with an opening at the upper side is arranged in the auxiliary sliding block, a gear positioned in the auxiliary cavity is fixed on the main shaft, a moving block rotatably connected to the main shaft is arranged at the upper side of the gear, a fixed spring is arranged between the upper side of the moving block and the inner wall of the upper side of the auxiliary cavity, a connecting rod is fixed at the right side of the moving block, a spline sleeve is rotatably connected to the horizontal section of the upper side of the connecting rod, an auxiliary gear positioned at the lower side of the horizontal section of the upper side of the connecting rod is fixed on the spline sleeve, an auxiliary shaft rotatably connected to the inner wall of the lower side of the auxiliary cavity is connected to the spline sleeve, an irregular wheel with the highest side positioned at the upper side of the horizontal section of the lower side of the connecting rod is fixed on the left side of the irregular, connect intracavity wall sliding connection have the right side butt in the sliding block of main shaft, the sliding block left side with be equipped with connecting spring between the intracavity left side inner wall, the cavity left side is equipped with the heat dissipation drying device who is used for the heat dissipation drying, fixed intracavity is equipped with and is used for clear cleaning device.

2. The anti-collision and anti-flooding charging pile device as claimed in claim 1, wherein: the heat dissipation drying device comprises a cylinder fixed on the inner wall on the left side of the cavity, a cylindrical cavity which is through from left to right is arranged in the cylinder, a vertical rod is fixed on the upper inner wall and the lower inner wall of the cylindrical cavity, the vertical rod is rotatably connected with a rotating shaft which extends from left to right, the rotating shaft is in splined connection with an auxiliary sleeve which is connected to the left side of the vertical rod in a sliding manner, two connecting rods which are symmetrical up and down with respect to the rotating shaft are fixed on the auxiliary sleeve, one side of each connecting rod, which is far away from the rotating shaft, is rotatably connected with a fan blade, one side of each cylinder, which is far away from the rotating shaft, is fixedly connected with a push rod which extends from left, the left side of the push rod is rotatably connected with, vice runner rotates to be connected with and is fixed in the montant right side just is located the vice motor of axis of rotation upside, the montant is equipped with and is located the cross slot of axis of rotation downside, cross slot inner wall sliding connection has the pole that links up that extends right, link up vertical section upside sliding connection in the axis of rotation right side, the meshing of pole horizontal segment downside is connected with the rotation wheel, it is fixed in to rotate the rotation of wheel rear side the steering motor on montant right side.

3. The anti-collision and anti-flooding charging pile device as claimed in claim 1, wherein: the cleaning device comprises an auxiliary wheel fixed on the main shaft and located in the through groove, a moving block is connected to the inner wall of the fixed cavity in a sliding mode, an auxiliary connecting rod is fixed to the lower side of the moving block, a wiping plate abutted to the upper side of the hemispherical block is fixed to the lower side of the auxiliary connecting rod, two auxiliary rotating wheels which are bilaterally symmetrical are rotatably connected to the inner wall of the upper side of the fixed cavity, the auxiliary rotating wheels are rotatably connected through a belt, and the belt is fixed to the moving block.

4. The anti-collision and anti-flooding charging pile device as claimed in claim 1, wherein: a driving motor positioned on the left side of the left side fixing rod is fixed on the upper side of the transverse plate, the front side of the driving motor is rotatably connected with a driving wheel meshed and connected with the left side fixing rod, an annular block is fixed on the upper side of the fixed column, two annular grooves which are symmetrical in the front and the back are arranged on the upper side of the annular block, the inner wall of the annular groove is connected with two idler wheels which are bilaterally symmetrical relative to the fixed column in a sliding way, the idler wheels are rotationally connected with auxiliary connecting rods which extend upwards, the charging modules are fixed on the upper sides of the four auxiliary connecting rods, two limiting springs which are bilaterally symmetrical relative to the fixed column are fixed on the left side and the right side of the charging module, one side of the limiting spring, which is far away from the fixed column, is fixed on the left and right inner walls of the cavity, a lead is fixed on the upper side of the charging module, wire upside fixedly connected with rifle that charges, the rifle fixed connection that charges in cavity right side inner wall.