Mobile auxiliary device of charging gun

Abstract

The utility model discloses a mobile auxiliary device of a charging gun, which comprises a wire clamping structure for fixing a cable of the charging gun, a wire rope and a tension balancer for winding the wire rope, the tension balancer is fixed on a mounting seat and connected with the wire rope, the wire rope is connected with the wire clamping structure through a guide wheel and a wire protecting wheel set, and the wire protecting wheel set is connected with the wire clamping structure. The wire protecting wheel set and the guide wheel are both mounted on the mounting seat; the wire clamping structure comprises two semi-annular wire clamping hoops and two semi-annular clamping hoops, one ends of the two clamping hoops are rotationally connected with each other, the other ends of the clamping hoops are fixed to a connecting block, the connecting block is connected with the wire rope, the clamping hoops sleeve the wire clamping hoops, the wire clamping hoops sleeve a cable of the charging gun, and the two ends of the two wire clamping hoops are connected through screws so that the wire clamping hoops can clamp the cable. The wire clamping hoop is sleeved on a cable of the charging gun to prevent the charging gun from falling off and being damaged, and after charging is finished, the tension balancer provides retraction force, so that an operator can easily reset the charging gun.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric vehicle charging, in particular to a mobile auxiliary device for a charging gun. Background Art

[0002] Electric vehicles refer to vehicles that use unconventional automotive fuels as their power source and integrate advanced technologies in vehicle power control and drive to form advanced technical principles, new technologies, and new structures.

[0003] With the increasing popularity of electric vehicles, charging demand continues to grow. As the connection device between electric vehicles and charging equipment, charging guns are increasingly used. However, the weight and cable length of different charging guns often make it difficult for operators to drag the guns, which is not only laborious but also easily leads to safety issues. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a mobile auxiliary device for a charging gun. When charging is completed, the tension balancer provides a retraction force, which makes it easy for the operator to reset the charging gun. The wire clamp is sleeved on the cable of the charging gun to prevent the charging gun from falling and being damaged.

[0005] To solve the above technical problems, the present invention adopts a technical solution: a mobile auxiliary device for a charging gun, comprising a wire clamping structure for fixing the cable of the charging gun, a wire rope, and a tension balancer for reeling the wire rope, wherein the tension balancer is fixed to a mounting base, the tension balancer is connected to the wire rope, and the wire rope is connected to the wire clamping structure through a guide wheel and a wire protection wheel assembly, the wire protection wheel assembly and the guide wheel are both mounted on the mounting base, and the wire clamping clamp is sleeved on the cable of the charging gun to prevent the charging gun from falling and being damaged. When charging is completed, the tension balancer provides a retraction force, making it easy for the operator to reset the charging gun.

[0006] The wire clamping structure includes two semi-annular wire clamps and two semi-annular clamps. One end of the two clamps is rotatably connected to each other, and the other end of the clamp is fixed to the connecting block. The connecting block is connected to the wire rope. The clamp is sleeved on the wire clamp, and the wire clamp is sleeved on the cable of the charging gun. The two ends of the two wire clamps are connected by screws to clamp the cable. The two semi-annular wire clamps can adapt to the cables of charging guns of different sizes.

[0007] A convex ring is provided on the surface of the clamp, and a concave ring matching the convex ring is provided on the surface of the wire clamp.

[0008] Further, the tension balancer comprises a rotating disc, a positioning shaft and a clockwork spring, the positioning shaft passes through the rotating disc and the shell, the rotating disc is located in the interior of the shell and can rotate around the positioning shaft, the shell is fixed to the mounting base, the clockwork spring is installed between the rotating disc and the shell, the two ends of the clockwork spring are connected with the rotating disc and the positioning shaft respectively, and the wire rope is wound around the rotating disc and the end of the wire rope is fixed to the rotating disc.

[0009] Further, a guide disc is arranged between the rotating disc and the shell, the guide disc is fixed to the shell, the rotating disc is provided with a sliding groove arranged along the radial direction, the guide disc is provided with a guide groove, one half of the rolling balls is located in the interior of the sliding groove and the other half of the rolling balls is located in the interior of the guide groove, and the rolling balls can roll along the sliding groove and the guide groove.

[0010] Further, the guide groove comprises an outer ring guide groove and an inner ring guide groove, the guide disc is provided with a first guide groove and a second guide groove, the outer ring guide groove and the inner ring guide groove are communicated with the first guide groove respectively, the outer ring guide groove and the inner ring guide groove are communicated with the second guide groove respectively, and the side wall of the first guide groove is provided with a positioning recess.

[0011] Further, the inclination direction of the first guide groove is opposite to the inclination direction of the second guide groove.

[0012] Further, the bottom surface of the outer ring guide groove is provided with a first boss, the first boss is located at the first guide groove, and a first guide inclined surface is arranged on the side of the first boss away from the first guide groove, the bottom surface of the inner ring guide groove is provided with a second boss, the second boss is located at the second guide groove, and a second guide inclined surface is arranged on the side of the second boss away from the second guide groove, the bottom surface of the positioning recess is lower than the bottom surface of the outer ring guide groove to form a first step, and the bottom surface of the positioning recess is higher than the bottom surface of the inner ring guide groove to form a second step.

[0013] Further, the tension balancer further comprises a torsion adjusting structure, the torsion adjusting structure comprises a torsion spring and an adjusting piece, the torsion spring is sleeved on a fixing column, the fixing column is fixed to the shell, the first fixed arm of the torsion spring is connected with the shell, the second fixed arm of the torsion spring is connected with the adjusting piece, the adjusting piece is rotationally connected to the fixing column, the positioning shaft is rotationally connected to the shell, and the end of the positioning shaft is provided with a clamping groove matched with the end of the adjusting piece, when it is needed to adjust the torsion of the tension balancer, the adjusting piece is actuated, the positioning shaft is rotated, then the adjusting piece is reset under the action of the torsion spring, the end of the adjusting piece is clamped into the clamping groove, so that the rotation of the positioning shaft is prevented.

[0014] Furthermore, the wire guard wheel assembly includes a mounting block and a plurality of wire guard wheels, wherein the plurality of wire guard wheels are distributed in a ring shape on the periphery of the wire rope, the wire guard wheels are rotatably connected to the mounting block, and the mounting block is fixed to the mounting seat.

[0015] Furthermore, the cord is connected to a connector, and the connector is mounted on the turntable.

[0016] Furthermore, the bottom of the mounting base has a bracket, and the bracket is fixed to the top of the charging device.

[0017] The beneficial effects of the present invention include at least the following:

[0018] The utility model includes a wire clamping structure for fixing the cable of the charging gun, a wire rope, and a tension balancer for winding the wire rope. The tension balancer is fixed to the mounting seat, connected to the wire rope, and the wire rope is connected to the wire clamping structure through a guide wheel and a wire protection wheel assembly. The wire clamp is sleeved on the cable of the charging gun to prevent the charging gun from falling and being damaged. When charging is completed, the tension balancer provides a retraction force, which facilitates the operator to easily reset the charging gun. It is worth noting that the arrangement of the guide wheel and the wire protection wheel assembly can effectively solve the position deviation of the wire rope when it is led out, the dragging effort, and the friction with the shell can be avoided, thereby reducing the service life of the wire rope.

[0019] The wire clamping structure of the utility model includes two semi-annular wire clamps and two semi-annular clamps. One end of the two clamps is rotatably connected to each other, and the other end of the clamp is fixed to the connecting block. The connecting block is connected to the wire rope. The clamp is sleeved on the wire clamp, and the wire clamp is sleeved on the cable of the charging gun. The two ends of the two wire clamps are connected by screws to enable the wire clamps to clamp the cable. The two semi-annular wire clamps can adapt to the cables of charging guns of different sizes.

[0020] The tension balancer of the utility model includes a turntable, a positioning shaft and a spring spring. The positioning shaft passes through the turntable and the housing. The turntable is located inside the housing and can rotate around the positioning shaft. When the charging gun is pulled out, the rope is pulled out, and the rope drives the turntable to rotate clockwise. The slide groove of the turntable drives the ball to roll clockwise along the outer ring guide groove. When the charging gun is pulled to a certain position and the electric car needs to be charged, the spring spring drives the turntable to rotate counterclockwise, thereby driving the ball to roll counterclockwise along the outer ring guide groove. Due to the setting of the first boss, the ball rolls into the first conducting groove. Positioning groove, at this time the ball is stuck, and the length of the rope reel remains unchanged. When charging is completed, gently pull down the cable of the charging gun. Due to the first step, the ball rolls from the positioning groove to the inner ring guide groove. Since the clockwork spring drives the turntable to rotate counterclockwise, the ball rolls counterclockwise in the inner ring guide groove, thereby providing the rope retraction force, making it easy for the operator to reset the charging gun. When the charging gun is pulled out next time, the turntable rotates clockwise, thereby driving the ball to move clockwise. Due to the setting of the second step, the ball rolls from the second conducting groove into the outer ring guide groove;

[0021] The torsion adjustment structure of the utility model includes a torsion spring and an adjusting member. The torsion spring is sleeved on a fixed column. The first fixed arm of the torsion spring is connected to the shell. The second fixed arm of the torsion spring is connected to the adjusting member. The adjusting member is rotatably connected to the fixed column. The positioning shaft is rotatably connected to the shell. The end of the positioning shaft is provided with a slot that matches the end of the adjusting member. When the torsion of the tension balancer needs to be adjusted, the adjusting member is dialed and the positioning shaft is rotated. Then, the adjusting member is reset under the action of the torsion spring, and the end of the adjusting member is stuck in the slot, thereby preventing the positioning shaft from rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 This utility model Figure 1 A magnified view of point A;

[0024] Figure 3 This utility model Figure 1 An enlarged view of point B;

[0025] Figure 4 This is a structural diagram of the wire clamping structure of the utility model;

[0026] Figure 5 This is an exploded schematic diagram of the wire clamping structure of the present utility model;

[0027] Figure 6 It is a structural schematic diagram of the wire protection wheel assembly of the utility model;

[0028] Figure 7 It is a structural diagram of the turntable of the utility model;

[0029] Figure 8 This is one of the cross-sectional views of the tension balancer of the present utility model;

[0030] Figure 9 This utility model Figure 8 The enlarged view of point C;

[0031] Figure 10 This is a structural diagram of the guide plate and the slideway of the utility model;

[0032] Figure 11 This is the second cross-sectional view of the tension balancer of the present utility model;

[0033] Figure 12 It is a structural schematic diagram of the guide plate of the utility model;

[0034] The parts in the accompanying drawings are marked as follows:

[0035] 1. Wire clamp structure; 11. Wire clamp; 111. Concave ring; 12. Clamp; 121. Concave ring; 13. Connecting block; 14. Screw; 2. Tension balancer; 21. Turntable; 211. Connecting column; 212. Slide; 221. Concave pit; 222. Slot; 223. Connecting piece; 22. Positioning shaft; 23. Spring; 231. Bending portion; 24. Guide plate; 241. Outer ring guide groove; 2411. First boss; 2412. First guide slope ;242, inner ring guide groove; 2421, second boss; 2422, second guide slope; 243, first conducting groove; 244, second conducting groove; 245, positioning groove; 2451, first step; 2452, second step; 25, ball; 26, housing; 261, fixing column; 3, mounting seat; 31, bracket; 4, rope; 5, wire protection wheel assembly; 51, mounting block; 52, wire protection wheel; 6, guide wheel; 71, torsion spring; 72, adjusting part. DETAILED DESCRIPTION

[0036] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0037] Example: A mobile auxiliary device for a charging gun, such as Figure 1 As shown, it includes a cable clamping structure 1 for fixing the cable of the charging gun, a cord 4, and a tension balancer 2 for winding the cord 4. The tension balancer 2 is fixed to the mounting base 3, and the tension balancer 2 is connected to the cord 4. Figure 2 As shown, the wire rope 4 is connected to the wire clamping structure 1 through the guide wheel 6 and the wire guard wheel assembly 5, and the wire guard wheel assembly 5 and the guide wheel 6 are both installed on the mounting seat 3;

[0038] In this embodiment, two tension balancers and two wire clamping structures are provided, and they correspond to each other;

[0039] As an alternative to this embodiment, the tension balancer may also be a commonly used tension balancer on the market.

[0040] like Figure 4 As shown, the wire clamping structure 1 includes two semi-annular wire clamps 11 and two semi-annular clamps 12. One end of the two clamps 12 is rotatably connected to each other, and the other end of the clamp 12 is fixed to the connecting block 13. The connecting block 13 is connected to the cord 4. The clamp 12 is sleeved on the wire clamp 11, and the wire clamp 11 is sleeved on the cable of the charging gun. The two ends of the two wire clamps 11 are connected by screws 14 so that the wire clamp 11 clamps the cable.

[0041] like Figure 5 As shown, a convex ring 121 is provided on the surface of the clamp 12, and a concave ring 111 matching the convex ring 121 is provided on the surface of the wire clamp 11 to prevent the wire clamp from being separated from the clamp.

[0042] like Figure 8 As shown, the tension balancer 2 includes a turntable 21, a positioning shaft 22 and a clockwork spring 23. The positioning shaft 22 passes through the turntable 21 and the shell 26. The turntable 21 is located inside the shell 26, and the turntable 21 can rotate around the positioning shaft 22. The shell 26 is fixed to the mounting seat 3. The clockwork spring 23 is installed between the turntable 21 and the shell 26. The two ends of the clockwork spring 23 are respectively connected to the turntable 21 and the positioning shaft 22. The rope 4 is wound around the turntable 21 and the end of the rope 4 is fixed to the turntable 21.

[0043] like Figure 11 As shown, in a specific implementation, the turntable is provided with a connecting column 211, the positioning shaft is provided with a pit 221, and both ends of the spring are provided with a bending portion 231. The bending portion at one end of the spring is sleeved on the connecting column, and the bending portion at the other end of the spring is clamped in the pit.

[0044] A guide plate 24 is provided between the turntable 21 and the housing 26. The guide plate 24 is fixed to the housing 26. Figure 9 He Ru Figure 10 As shown, the turntable 21 is provided with a radially arranged slide groove 212, and the guide plate 24 is provided with a guide groove. Half of the ball 25 is located inside the slide groove 212 and the other half of the ball 25 is located inside the guide groove. The ball 25 can roll along the slide groove 212 and the guide groove.

[0045] like Figure 12As shown, the guide groove includes an outer ring guide groove 241 and an inner ring guide groove 242, and the guide plate 24 is provided with a first conducting groove 243 and a second conducting groove 244. The outer ring guide groove 241 and the inner ring guide groove 242 are respectively connected to the first conducting groove 243, and the outer ring guide groove 241 and the inner ring guide groove 242 are respectively connected to the second conducting groove 244, and the side wall of the first conducting groove 243 is provided with a positioning groove 245.

[0046] The inclination direction of the first conducting groove 243 is opposite to the inclination direction of the second conducting groove 244 .

[0047] The bottom surface of the outer ring guide groove 241 is provided with a first boss 2411, the first boss 2411 is located at the first conducting groove 243, and the first boss 2411 is provided with a first guiding slope 2412 on the side away from the first conducting groove 243, the bottom surface of the inner ring guide groove 242 is provided with a second boss 2421, the second boss 2421 is located at the second conducting groove 244, and the second boss 2421 is provided with a second guiding slope 2422 on the side away from the second conducting groove 244, the bottom surface of the positioning groove 245 is lower than the bottom surface of the outer ring guide groove 241 to form a first step 2451, and the bottom surface of the positioning groove 245 is higher than the bottom surface of the inner ring guide groove 242 to form a second step 2452.

[0048] like Figure 3 As shown, it also includes a torsion adjustment structure, which includes a torsion spring 71 and an adjusting member 72. The torsion spring 71 is sleeved on the fixed column 261, and the fixed column is fixed to the shell. The first fixed arm of the torsion spring 71 is connected to the shell 26, and the second fixed arm of the torsion spring 71 is connected to the adjusting member 72. The adjusting member 72 is rotatably connected to the fixed column 261, and the positioning shaft 22 is rotatably connected to the shell 26, and the end of the positioning shaft 22 is provided with a card slot 222 that matches the end of the adjusting member 72.

[0049] like Figure 6 As shown, the wire guard wheel assembly 5 includes a mounting block 51 and several wire guard wheels 52 . The several wire guard wheels 52 are distributed in a ring shape on the periphery of the wire rope 4 . The wire guard wheels 52 are rotatably connected to the mounting block 51 , and the mounting block 51 is fixed to the mounting seat 3 .

[0050] like Figure 7 As shown, the cord 4 is connected to the connector 223 , and the connector 223 is mounted on the turntable 21 .

[0051] The bottom of the mounting base 3 has a bracket 31 , and the bracket 31 is fixed to the top of the charging device.

[0052] The working principle of the utility model is as follows: when the charging gun needs to be used for charging, the charging gun is pulled out, the cord is pulled out, the cord drives the turntable to rotate clockwise, and the slide groove of the turntable drives the ball to roll clockwise along the outer ring guide groove. When the charging gun is pulled to a certain position and the electric car needs to be charged, the clockwork spring drives the turntable to rotate counterclockwise, thereby driving the ball to roll counterclockwise along the outer ring guide groove. Due to the setting of the first boss, the ball rolls into the positioning groove of the first conducting groove. At this time, the ball is stuck and the length of the cord reel remains unchanged. When charging is completed, gently pull down the cable of the charging gun. Due to the first step, the ball rolls from the positioning groove to the inner ring guide groove. Due to the clockwork spring drives the turntable to rotate counterclockwise, the ball rolls counterclockwise in the inner ring guide groove, thereby providing the cord retraction force, making it convenient for the operator to easily reset the charging gun. When the charging gun is pulled out next time, the turntable rotates clockwise, thereby driving the ball to move clockwise. Due to the setting of the second step, the ball rolls from the second conducting groove into the outer ring guide groove.

[0053] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A mobile auxiliary device for a charging gun, characterized by: The invention comprises a wire clamping structure (1) for fixing the cable of the charging gun, a wire rope (4), and a tension balancer (2) for winding the wire rope, wherein the tension balancer is fixed to a mounting seat (3), the tension balancer is connected to the wire rope, and the wire rope is connected to the wire clamping structure through a guide wheel (6) and a wire protection wheel assembly (5), and the wire protection wheel assembly and the guide wheel are both mounted on the mounting seat; The wire clamping structure comprises two semi-annular wire clamping hoops (11) and two semi-annular clamping hoops (12), one end of the two clamping hoops are rotatably connected to each other, and the other end of the clamping hoops is fixed to a connecting block (13), the connecting block is connected to the wire rope, the clamping hoops are sleeved on the wire clamping hoops, and the wire clamping hoops are sleeved on the cable of the charging gun, and the two ends of the two wire clamping hoops are connected by screws (14) so ​​that the wire clamping hoops clamp the cable; A convex ring (121) is provided on the surface of the clamp, and a concave ring (111) matching the convex ring is provided on the surface of the wire clamp.

2. The mobile assist device for a charging gun according to claim 1, characterized in that: The tension balancer comprises a turntable (21), a positioning shaft (22) and a spring (23), wherein the positioning shaft passes through the turntable and a housing (26), the turntable is located inside the housing and can rotate around the positioning shaft, the housing is fixed to the mounting seat, the spring is installed between the turntable and the housing, the two ends of the spring are respectively connected to the turntable and the positioning shaft, the string is wound around the turntable and the end of the string is fixed to the turntable.

3. The mobile assist device for a charging gun according to claim 2, characterized in that: A guide plate (24) is provided between the turntable and the housing, the guide plate being fixed to the housing, the turntable being provided with a radially arranged slide groove (212), the guide plate being provided with a guide groove, half of the ball (25) being located inside the slide groove and the other half of the ball being located inside the guide groove, and the ball being able to roll along the slide groove and the guide groove.

4. The mobile assist device for a charging gun according to claim 3, characterized in that: The guide groove includes an outer ring guide groove (241) and an inner ring guide groove (242); the guide plate is provided with a first conducting groove (243) and a second conducting groove (244); the outer ring guide groove and the inner ring guide groove are respectively connected to the first conducting groove; the outer ring guide groove and the inner ring guide groove are respectively connected to the second conducting groove; and a side wall of the first conducting groove is provided with a positioning groove (245).

5. The mobile assist device for a charging gun according to claim 4, characterized in that: An inclination direction of the first conducting groove is opposite to an inclination direction of the second conducting groove.

6. The mobile assist device for a charging gun according to claim 4, characterized in that: The bottom surface of the outer ring guide groove is provided with a first boss (2411), the first boss is located at the first conducting groove, and the first boss is provided with a first guiding inclined surface (2412) on the side away from the first conducting groove. The bottom surface of the inner ring guide groove is provided with a second boss (2421), the second boss is located at the second conducting groove, and the second boss is provided with a second guiding inclined surface (2422) on the side away from the second conducting groove. The bottom surface of the positioning groove is lower than the bottom surface of the outer ring guide groove to form a first step (2451), and the bottom surface of the positioning groove is higher than the bottom surface of the inner ring guide groove to form a second step (2452).

7. The mobile assist device for a charging gun according to claim 2, characterized in that: The invention also includes a torsion adjustment structure, which includes a torsion spring (71) and an adjustment member (72), wherein the torsion spring is sleeved on a fixed column (261), the fixed column is fixed to the housing, the first fixed arm of the torsion spring is connected to the housing, the second fixed arm of the torsion spring is connected to the adjustment member, the adjustment member is rotatably connected to the fixed column, the positioning shaft is rotatably connected to the housing, and the end of the positioning shaft is provided with a slot (222) that matches the end of the adjustment member.

8. The mobile assist device for a charging gun according to claim 1, characterized in that: The wire guard wheel assembly comprises a mounting block (51) and a plurality of wire guard wheels (52), wherein the plurality of wire guard wheels are distributed in an annular manner on the periphery of the wire rope, the wire guard wheels are rotatably connected to the mounting block, and the mounting block is fixed to the mounting seat.

9. The charging gun movement assist device according to claim 2, characterized in that: The string is connected to a connector (223), and the connector is mounted on the turntable.

10. The mobile assist device for a charging gun according to claim 1, characterized in that: The bottom of the mounting seat is provided with a bracket (31), and the bracket is fixed to the top of the charging device.

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