New energy charging cable take-up and pay-off device

Abstract

The utility model discloses a new energy charging cable take-up and pay-off device, which belongs to the technical field of new energy charging equipment and specifically comprises a shell, a supporting column, a take-up and pay-off winch and a driving motor. The driving motor is located in the supporting column, and the tail end of the supporting column and the tail end of the driving motor are fixedly installed in the middle of the inner side of the shell through bolts. The winding and unwinding winch is located on the inner side of the shell, the supporting column is rotationally sleeved with the winding and unwinding winch, and the output end of the driving motor is in key connection with the winding and unwinding winch. An existing charging pile is modified, the charging pile is additionally arranged on the side wall of the charging pile, an original charging cable is replaced, winding and unwinding of the cable are achieved through driving of the motor, operation is convenient and easy, the charging cable can be effectively prevented from scattering to the ground and being ground, the wound conductive cable can be overhead through the supporting rod, and the charging pile is convenient to use. While draining of the cable is facilitated, the ventilation effect in the take-up and pay-off device can be improved, and long-term moisture and mildewing of the surface of the cable in mildew and rain weather are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to new energy charging equipment technical field, concretely relates to a new energy charging cable take -up. BACKGROUND

[0002] At present, the charging gun cable on numerous charging piles in new energy charging station, its charging gun head hangs on the charging pile, and the conductive cable is directly scattered on the ground, the cable is scattered on the ground for a long time, is extremely easy to be crushed by heavy object or generate friction with the ground, causes cable insulation layer and internal armoring shield layer to be damaged, seriously affects the service life of the charging gun in the charging pile.

[0003] Therefore, we propose a new energy charging cable take -up. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a new energy charging cable take -up to solve the above -mentioned problems existing in prior art.

[0005] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0006] A new energy charging cable take -up, including shell, support column, take -up capstan, drive motor, wherein, drive motor is located in the inside of support column, and the tail end of support column with drive motor is all through bolt fixed installation in the inside of shell middle position.

[0007] Further, the take -up capstan is located in the inside of shell, and the take -up capstan rotates the outside of support column, in order to drive take -up capstan rotation, realizes the take -up operation of charging gun conductive cable, its drive motor output and take -up capstan key connection.

[0008] Further, the take -up capstan includes sleeve and the front baffle and rear baffle fixed in both ends of sleeve, and the front and rear two baffles are designed to be parallel to each other, and the distance between the front and rear two baffles is kept at 2-3 charging gun cable line outer diameter width, which is beneficial to the quick drying of the surface water of charging gun cable line.

[0009] Further, the front end of sleeve is closed end, the middle position of sleeve closed end protrudes outward, forms a recessed assembly groove in the inside of sleeve front end, is used to cooperate with the front end of support column, the center position of the outside of sleeve closed end is integrally formed with hollow pipe, and the hollow pipe is installed with conductive slip ring and ceramic insulation bearing, at the same time, the annular wire passing groove is integrally formed with the hollow pipe as the center on the outside of sleeve closed end, and one wire passing hole is formed on the both sides groove wall of wire passing groove.

[0010] The conductive slip ring is used as the 360-degree rotatable continuous power connection unit, so that the new energy charging gun cable wound on the winding and unwinding winch can avoid twisting when the winding and unwinding winch rotates, and stable power supply connection can be maintained.

[0011] Further, the shell includes a cylindrical shell cover wrapped outside the winding and unwinding winch, and a gap is formed between the shell cover and the winding and unwinding winch to avoid friction therebetween.

[0012] Further, in order to facilitate installation of the device on the charging pile of the charging station, a mounting seat for fixing with the side wall of the charging pile is fixed on the back of the shell cover.

[0013] Further, in order to enable the shell cover to be stably assembled with the winding and unwinding winch and the driving motor, a motor seat for mounting the driving motor is arranged in the middle of the back side of the shell cover, and the driving motor is fixed on the motor seat through bolts; at the same time, a circular hole is formed in the center of the front face of the shell cover for the hollow pipe to pass through, and a sealing bearing is arranged between the position of the circular hole in the center of the front face of the shell cover and the inner wall of the circular hole to ensure the stability of the winding and unwinding winch when rotating.

[0014] Further, in order to combine the device with the charging pile, a protective cover is further fixed on the front face of the shell cover, and a charging pile power supply cable electrically connected with the power supply end of the new energy charging pile is arranged in the protective cover; the end of the charging pile power supply cable passes through the inside of the ceramic insulation bearing on the inside of the hollow pipe and is electrically connected with the rotor slip ring of the conductive slip ring; the stator slip ring output end of the conductive slip ring is electrically connected with the new energy charging gun cable, the new energy charging gun cable extends to the outside of the sleeve through the wire slot after horizontally crossing the wire slot through the wire hole, and the charging gun head is mounted on the outside of the sleeve, so that the entire new energy charging gun cable is wound on the winding and unwinding winch, thereby avoiding the new energy charging gun cable from being scattered on the ground and being damaged by rolling.

[0015] Further, the inside of the protective cover is filled with insulation and heat insulation foaming glue, which can not only provide protection, fixation and moisture-proof effect for the charging pile power supply cable in the protective cover, but also avoid insects from entering the hollow pipe position to build nests through the gap in the inside of the protective cover; a traction opening hole for winding and unwinding cable is formed on the outer edge of the shell cover, and a winding and unwinding operation switch is mounted on the bottom of the shell cover.

[0016] Further, the support column includes a hollow column body, and support fins in contact with the surface of the driving motor are arranged on the inside of the hollow column body at equal intervals around the circumference, wherein the support fins improve the stability of the front end position of the support column by being in contact with the surface of the driving motor, and also have a certain motor heat dissipation effect.

[0017] Further, in order to be able to effectively cooperate with the sleeve of the winding and unwinding winch, the front end of the hollow cylinder is designed as a contraction opening, and a positioning ring is integrally formed outside the contraction opening at the front end of the hollow cylinder, and a circle of ball grooves is integrally formed outside the tail end of the hollow cylinder; wherein the inside of the closed end of the sleeve is integrally formed with a spline joint inserted into the inside of the positioning ring at the front end of the support column, and the output end of the driving motor is connected with the spline joint after passing through the positioning ring; the inside and outside of the positioning ring at the front end of the support column are respectively provided with an inner bearing and an outer bearing between the spline joint and the closed end of the sleeve, and the inside of the tail end of the sleeve is provided with a plurality of steel balls corresponding to the position of the ball grooves.

[0018] Further, the groove along the inside of the hollow pipe is integrally formed with an adaptive groove on the pipe wall, and an annular sealing cover is sleeved outside the hollow pipe, and the sealing cover is fixedly connected with the adaptive grooves at the corresponding positions through screws.

[0019] Further, the hollow pipe, the spline joint, the positioning ring, the spline joint and the output shaft of the driving motor are coaxial, which ensures that the winding and unwinding winch can rotate under the driving of the driving motor.

[0020] Further, a plurality of support rods are fixed horizontally around the sleeve at equal distances between the front baffle and the rear baffle, the plurality of support rods and the surface of the sleeve are reserved at a height of 10-15 cm, the front baffle is designed as a hollow design, and the two sides of the shell cover are designed as a hollow design, the support rods can achieve the effect of aerial cable winding, which is beneficial to cable drainage and improves the ventilation effect inside the retractor, and avoids the cable surface from being damp for a long time in moldy rainy weather.

[0021] Beneficial effects:

[0022] The utility model discloses a charging pile is refitted to the existing charging pile, is installed to the lateral wall of charging pile, replaces the original charging cable, realizes the action of cable winding and unwinding through motor drive, and the operation is convenient and simple, can effectively avoid that charging cable is scattered to the ground and is subjected to the rolling pressure, and the support rod can achieve the effect of aerial cable winding, which is beneficial to cable drainage and improves the ventilation effect inside the retractor, and avoids the cable surface from being damp for a long time in moldy rainy weather. DRAWINGS

[0023] Figure 1 It is the half cut structure schematic diagram of the utility model;

[0024] Figure 2 It is the whole structure schematic diagram of the utility model;

[0025] Figure 3 It is the shell cut surface structure schematic diagram of the utility model;

[0026] Figure 4 It is the support column section structure schematic view of the utility model;

[0027] Figure 5 It is the winding and unwinding capstan section structure schematic view of the utility model;

[0028] Figure 6 It is the exploded structure schematic view of the utility model;

[0029] Figure 7 It is the section structure schematic view of the utility model;

[0030] Figure 8 It is Figure 7 The local enlarged structure schematic view in.

[0031] In the figure: 1, shell;101, shell cover;102, winding and unwinding operation switch;103, motor base;104, mounting seat;105, charging pile power cable;106, protective cover;2, support column;201, hollow column body;202, positioning ring;203, support fin;204, ball groove;3, winding and unwinding capstan;301, sleeve;302, front baffle disc;303, rear baffle disc;304, hollow pipe;305, spline joint;306, wire passing groove;307, adaptive groove;308, wire passing hole;309, inner bearing;310, outer bearing;311, steel ball;4, driving motor;5, new energy charging gun cable;6, conductive slip ring;7, ceramic insulating bearing;8, sealing bearing;9, sealing cover;10, brace bar. DETAILED DESCRIPTION

[0032] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the utility model will be briefly introduced with the description of the embodiments or prior art and the accompanying drawings, and obviously, the following description of the structure of the drawings is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.It needs to be explained here that the description of these embodiment modes is used to help understanding the utility model, but does not constitute the limitation to the utility model.

[0033] Embodiment:

[0034] In view of the problem that the charging gun cable on the charging pile in the current new energy charging station is directly scattered on the ground, which is extremely easy to be crushed by heavy objects or to generate friction with the ground, causing damage to the cable insulation layer and internal armored shielding layer, and seriously affecting the service life of the charging gun in the charging pile, we propose a new energy charging cable retractor by modifying the existing charging pile, adding to the side wall of the charging pile, replacing the original charging cable, and realizing the winding and unwinding action of the cable through the motor drive, which can effectively avoid the new energy charging cable retractor scattered on the ground from being crushed. The specific scheme is as follows:

[0035] As shown in Figures 1-8 The embodiment provides a new energy charging cable retractor, which comprises a shell 1, a support column 2, a winding and unwinding winch 3, a driving motor 4; wherein the driving motor 4 is located in the inside of the support column 2, and the support column 2 and the tail end of the driving motor 4 are both fixedly installed at the middle position of the inside of the shell 1.

[0036] The winding and unwinding winch 3 is located on the inside of the shell 1, and the winding and unwinding winch 3 is rotatably sleeved on the outside of the support column 2. In order to drive the winding and unwinding winch 3 to rotate and realize the winding and unwinding operation of the charging gun cable, the output end of the driving motor 4 is connected with the winding and unwinding winch 3.

[0037] The winding and unwinding winch 3 comprises a sleeve 301, a front baffle 302 and a rear baffle 303 fixed at both ends of the sleeve 301, the front and rear baffles are designed in parallel with each other, and the distance between the front and rear baffles is kept at 2-3 times the width of the outer diameter of the charging gun cable, which is beneficial to the quick drying of the water on the surface of the charging gun cable.

[0038] The front end of the sleeve 301 is a closed end, the middle position of the closed end of the sleeve 301 is protruded outward, forming a recessed assembly groove on the inside of the front end of the sleeve 301, which is used to cooperate with the front end of the support column, and a hollow tube 304 is integrally formed at the center position of the outside of the closed end of the sleeve 301, the hollow tube 304 is provided with a conductive slip ring 6 and a ceramic insulating bearing 7, at the same time, an annular wire passing groove 306 is integrally formed on the outside of the closed end of the sleeve 301 with the hollow tube 304 as the center, and a wire passing hole 308 is formed on each side groove wall of the wire passing groove 306.

[0039] Among them, the conductive slip ring 6 is used as a 360-degree rotatable continuous power supply unit, so that the new energy charging gun cable 5 wound on the winding and unwinding winch 3 can avoid twisting, and at the same time, stable power supply connection can be maintained.

[0040] The shell 1 comprises a cylindrical shell cover 101 wrapped on the outside of the winding and unwinding winch 3, and there is a gap between the shell cover 101 and the winding and unwinding winch 3 to avoid friction between them.

[0041] In order to facilitate the installation of the device to the charging pile of the charging station, the back of the shell 101 is fixed with a mounting seat 104 for fixing with the side wall of the charging pile.

[0042] In order to enable the shell 101 to be stably assembled with the winding and unwinding winch 3 and the driving motor 4, a motor seat 103 for mounting the driving motor 4 is arranged in the middle of the back side of the shell 101, and the driving motor 4 is fixed on the motor seat 103 by bolts; at the same time, a circular hole is formed in the center of the front face of the shell 101 for the hollow tube 304 to pass through, and a sealing bearing 8 is mounted between the hollow tube 304 passing through the circular hole in the center of the front face of the shell 101 and the inner wall of the circular hole to ensure the stability when the winding and unwinding winch 3 rotates.

[0043] In order to combine the device with the charging pile, a protective cover 106 is also fixed on the front face of the shell 101, and a charging pile power cable 105 electrically connected with the power supply end of the new energy charging pile is arranged in the protective cover 106; the end of the charging pile power cable 105 passes through the inside of the ceramic insulation bearing 7 on the inside of the hollow tube 304 and is electrically connected with the rotor slip ring of the conductive slip ring 6; the stator slip ring output end of the conductive slip ring 6 is electrically connected with the new energy charging gun cable 5, the new energy charging gun cable 5 extends to the outside of the sleeve 301 after passing through the wire slot 306 and installing the charging gun head, and the entire new energy charging gun cable 5 is wound on the winding and unwinding winch 3, so as to avoid the new energy charging gun cable 5 from being scattered on the ground and being damaged by crushing.

[0044] The inside of the protective cover 106 is filled with insulation and heat insulation foaming glue, which not only provides protection, fixation and moisture-proof effect for the charging pile power cable 105 inside the protective cover 106, but also avoids the entry of insects and ants from the gap inside the protective cover 106 into the hollow tube 304 position to build nests; a traction opening hole for winding and unwinding cables is formed on the outer edge of the shell 101, and a winding and unwinding operation switch 102 is installed on the bottom of the traction opening hole.

[0045] The support column 2 includes a hollow column body 201, and support fins 203 in contact with the surface of the driving motor 4 are arranged equidistantly on the inside of the hollow column body 201, wherein the support fins 203 improve the stability of the front end position of the support column 2 by being in contact with the surface of the driving motor 4, and also have a certain motor heat dissipation effect.

[0046] In order to be able to effectively cooperate with the sleeve 301 of the winding and unwinding winch 3, the front end of the hollow cylinder 201 is designed as a contraction opening, and a positioning ring 202 is integrally formed outside the contraction opening at the front end of the hollow cylinder 201, and a circle of ball grooves 204 is integrally formed outside the tail end of the hollow cylinder 201; wherein the inside of the closed end of the sleeve 301 is integrally formed with a spline joint 305 inserted into the inside of the positioning ring 202 at the front end of the support column 2, and the output end of the driving motor 4 is connected with the spline joint 305 through the key connection after passing through the positioning ring 202; the inside and outside of the positioning ring 202 at the front end of the support column 2 are respectively provided with an inner bearing 309 and an outer bearing 310 between the spline joint 305 and the closed end of the sleeve 301, and the inside of the tail end of the sleeve 301 is provided with a plurality of steel balls 311 corresponding to the position of the ball grooves 204.

[0047] The groove along the inside of the wire passing groove 306 and the wall of the hollow pipe 304 are integrally formed with an adaptive groove 307, the hollow pipe 304 is sleeved with an annular sealing cover 9 outside, the sealing cover 9 is fixedly connected with the adaptive groove 307 at the corresponding position through screws inside and outside, and the sealing cover 9 can facilitate the subsequent maintenance of the position of the conductive slip ring 6 through the wire passing hole 308.

[0048] The hollow pipe 304, the spline joint 305, the positioning ring 202, the spline joint 305 and the output shaft of the driving motor 4 are coaxial, which ensures that the winding and unwinding winch 3 can rotate under the driving of the driving motor 4.

[0049] A plurality of support rods 10 are fixed horizontally around the sleeve 301 at equal distances between the front baffle disc 302 and the rear baffle disc 303, the plurality of support rods 10 and the surface of the sleeve 301 are kept at a height of 10-15 cm, and the front baffle disc 302 is designed as a hollow structure, the two sides of the shell cover 101 are designed as a hollow structure, the support rods 10 can be used to achieve the effect of overhead winding of the conductive cable, which is beneficial to the drainage of the cable and improves the ventilation effect inside the winding and unwinding device, and avoids the cable surface from being damp for a long time in moldy weather.

[0050] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A new energy charging cable reel, characterized in that, It includes shell (1), support column (2), pay-off winch (3), drive motor (4); The drive motor (4) is located inside the support column (2), and the support column (2) and the tail end of the drive motor (4) are fixedly installed at the middle position of the inside of the shell (1) through bolts; The pay-off winch (3) is located inside the shell (1), and the pay-off winch (3) is rotatably sleeved on the outside of the support column (2), and the output end of the drive motor (4) is keyed connected with the pay-off winch (3); The pay-off winch (3) includes sleeve (301) and front baffle (302) and rear baffle (303) fixed at both ends of sleeve (301), the front end of sleeve (301) is closed end, and the center position of the closed end of sleeve (301) is integrally formed with hollow tube (304), the hollow tube (304) is provided with conductive slip ring (6) and ceramic insulating bearing (7), the outside of the closed end of sleeve (301) is integrally formed with annular wire slot (306) with hollow tube (304) as center, and each of the two side slot walls of wire slot (306) is provided with one wire hole (308).

2. The new energy charging cable retractor according to claim 1, characterized in that, The shell (1) includes cylindrical shell cover (101) wrapped outside the pay-off winch (3), the two sides of the shell cover (101) are hollow design, the back of the shell cover (101) is fixed with mounting seat (104) used for fixing with the side wall of charging pile, the inside of the shell cover (101) is provided with motor seat (103) used for installing drive motor (4) near the middle of one side of the back; the center position of the front of the shell cover (101) is provided with round hole for the hollow tube (304) to pass through, and the front of the shell cover (101) is further fixed with protection cover (106), the protection cover (106) is provided with charging pile power cable (105) electrically connected with the power supply end of new energy charging pile; the end of the charging pile power cable (105) is electrically connected with the rotor slip ring of the conductive slip ring (6) after passing through the inside of the ceramic insulating bearing (7) inside the hollow tube (304); the stator slip ring output end of the conductive slip ring (6) is electrically connected with new energy charging gun cable (5), the new energy charging gun cable (5) extends to the outside of the sleeve (301) after transversely passing through the wire slot (306) through the wire hole (308) and then installs the charging gun head.

3. The new energy charging cable retractor according to claim 2, characterized in that, The inside of the protection cover (106) is filled with insulating and heat insulating foaming glue; the outer edge of the shell cover (101) is provided with traction opening hole for winding and unwinding cable, and the bottom of the traction opening hole is provided with winding and unwinding operation switch (102) installed on the shell cover (101).

4. The new energy charging cable retractor of claim 1, wherein, The support column (2) includes hollow column body (201), the inside of the hollow column body (201) is arranged with support fin (203) in contact with the surface of drive motor (4) at equal distance around the circumference, the front end of the hollow column body (201) is designed as contraction opening, the outside of the contraction opening of the front end of the hollow column body (201) is integrally formed with positioning ring (202), and the outside of the tail end of the hollow column body (201) is integrally formed with a circle of ball groove (204).

5. The new energy charging cable retractor according to claim 1, characterized in that, The inner side of the closed end of the sleeve (301) is integrally formed with a spline joint (305) inserted into the inner side of the positioning ring (202) at the front end of the support column (2), and the output end of the driving motor (4) is connected with the spline joint (305) through the positioning ring (202).

6. The new energy charging cable retractor according to claim 4, characterized in that, The inner and outer sides of the positioning ring (202) at the front end of the support column (2) are respectively provided with an inner bearing (309) and an outer bearing (310) between the spline joint (305) and the closed end of the sleeve (301), and the tail end of the sleeve (301) is provided with a plurality of steel balls (311) corresponding to the position of the ball groove (204).

7. The new energy charging cable retractor of claim 1, wherein, The hollow tube (304) is installed with a sealing bearing (8) between the circular hole position on the front surface of the shell (101) and the inner wall of the circular hole.

8. The new energy charging cable retractor of claim 1, wherein, The groove along the inner side of the wire passing groove (306) and the wall of the hollow tube (304) are integrally formed with an adaptive groove (307), the outer side of the hollow tube (304) is sleeved with a ring-shaped sealing cover (9), and the sealing cover (9) is fixedly connected with the adaptive groove (307) at the corresponding position through screws.

9. The new energy charging cable retractor of claim 1, wherein, The hollow tube (304), the spline joint (305), the positioning ring (202), the spline joint (305) and the output shaft of the driving motor (4) are coaxial.

10. The new energy charging cable retractor of claim 1, wherein, A plurality of support rods (10) are fixed around the sleeve (301) at equal distances between the front baffle disc (302) and the rear baffle disc (303), the height of the support rods (10) and the surface of the sleeve (301) is 10-15 cm, and the front baffle disc (302) is designed as a hollow structure.

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