A charging pile plug connection structure

Abstract

The present invention discloses a charging pile plug connection structure, wherein a locking assembly is arranged on one side of the gun storage box, a tooth groove is arranged on the bottom of the gun storage box, a rotating shaft is rotatably arranged in the box body, a third roller and a spur gear are fixedly sleeved outside the rotating shaft, the charging wire is wound around the outside of the third roller, and a wire-receiving assembly for storing the charging wire is arranged in the box body. The present invention drives the spur gear to rotate by the tooth groove, and then the third roller rotates to send out the charging wire, so as to provide charging service. When the charging pile is no longer needed, the gun storage box is pushed into the box body, the tooth groove drives the spur gear to rotate in the opposite direction, and then with the cooperation of the wire-receiving assembly, the third roller retracts the charging wire into the box body, so that the charging wire is stored when not in use, thereby avoiding the influence of the charging wire's own gravity on the suspension stability of the charging gun, and avoiding the charging wire being exposed to the outside, thereby protecting the charging wire and extending the service life of the charging wire.

Description

Technical Field

[0001] The present invention relates to the technical field of charging piles, and in particular to a charging pile plug connection structure. Background Art

[0002] The function of a charging pile is similar to that of a gas pump in a gas station. It can be fixed on the ground or on a wall and installed in parking lots or charging stations in public buildings and residential areas. It can charge various types of electric vehicles according to different voltage levels. The charging gun (charging plug) serves as an interface between the charging device and the charging battery of the electric vehicle. The plug connected to a traditional charging pile is inserted into the slot on the charging pile after use, while the charging cable is suspended. Since the charging cable is too heavy, there is a large abutment force between the charging gun and the charging pile slot. As the use time increases, the plug limiter will shake, causing the plug to fall and be damaged, which is not conducive to the use of the charging pile. Summary of the invention

[0003] The object of the present invention is to provide a charging pile plug connection structure to solve the above-mentioned deficiencies in the prior art.

[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a charging pile plug connection structure, comprising: a box body, a gun storage box is slidably arranged in the box body, a charging gun is clamped in the gun storage box, a locking assembly is arranged on one side of the gun storage box, a tooth groove is provided at the bottom of the gun storage box, a rotating shaft is rotatably arranged in the box body, a third roller and a spur gear are fixedly sleeved outside the rotating shaft, the spur gear is meshed with the tooth groove, a charging wire is connected to the end of the charging gun, the charging wire is wound around the outside of the third roller, and a wire take-up assembly for storing the charging wire is arranged in the box body, when the gun storage box is pulled out of the box body, the charging wire is pulled out of the wire take-up assembly, and when the gun storage box is pushed back into the box body, the charging wire is stored by the wire take-up assembly.

[0005] Furthermore, a receiving groove is provided on the gun storage box, a second sliding groove is provided in the receiving groove, a first wedge block is slidably arranged in the second sliding groove, and the first wedge block is connected to the inner wall of the second sliding groove through a second spring.

[0006] Furthermore, the locking assembly includes a second rotating shaft, which is rotatably set on the box body, a turntable is fixedly sleeved on the outside of the second rotating shaft, one end of the second rotating shaft passes through the box body and is fixedly connected to a knob, a third sliding groove is opened in the turntable, a second wedge block is slidably set in the third sliding groove, and the second wedge block is connected to the inner wall of the third sliding groove through a third spring.

[0007] Furthermore, a first slot and a second slot are provided on one side of the gun storage box close to the locking assembly, and the second wedge block can be inserted into the first slot or the second slot by rotating the knob.

[0008] Furthermore, a directional mark is provided on the knob.

[0009] Furthermore, the wire taking-up assembly includes a third partition, which is fixedly connected in the box body, and three first slide grooves are opened on the third partition, in which a slider is slidably arranged, and the slider is connected to the inner wall of the first slide groove by a first spring. Among the three first slide grooves, the compression direction of the first spring in the middle first slide groove is opposite to the compression direction of the first springs in the first slide grooves on both sides.

[0010] Furthermore, a first roller is rotatably arranged on the sliding block, and a limiting plate is arranged in the first sliding groove, and the limiting plate limits the sliding block in the first sliding groove.

[0011] Furthermore, a fourth partition is fixedly connected to the third partition, a limiting ring is fixedly sleeved on the outer side of the charging cable, and the limiting ring is located on the outer side of the fourth partition.

[0012] Furthermore, two second rollers are rotatably arranged on the third partition, and the charging line passes between the two second rollers.

[0013] Furthermore, a handle is fixedly connected to the gun storage box, and the handle is located on one side of the accommodating groove.

[0014] In the above technical solution, the charging pile plug connection structure provided by the present invention has the following beneficial effects:

[0015] The present invention unlocks the gun storage box by rotating the locking assembly, and pulls the gun storage box out of the box body, so that the tooth groove drives the spur gear to rotate, and then the third roller rotates to send out the charging cable; when the charging pile is no longer needed, the gun storage box is pushed into the box body, the tooth groove drives the spur gear to rotate in the opposite direction, and then with the cooperation of the wire-retracting assembly, the third roller retracts the charging cable into the box body, so that the charging cable is stored when not in use, avoiding the influence of the charging cable's own gravity on the suspension stability of the charging gun, and avoiding the charging cable from being exposed to the outside, thereby protecting the charging cable and extending the service life of the charging cable.

[0016] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0017] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 A schematic diagram of the internal structure provided by an embodiment of the present invention;

[0020] Figure 2 A bottom view of the internal structure provided by an embodiment of the present invention;

[0021] Figure 3 A front view of the internal structure provided by an embodiment of the present invention;

[0022] Figure 4 The embodiment of the present invention provides Figure 1 A magnified image;

[0023] Figure 5 The embodiment of the present invention provides Figure 1 Enlarged view of point B;

[0024] Figure 6 The embodiment of the present invention provides Figure 2 Enlarged view of point C;

[0025] Figure 7 A cross-sectional view of a turntable provided in an embodiment of the present invention;

[0026] Figure 8 A cross-sectional view of a slider provided in an embodiment of the present invention.

[0027] Description of reference numerals:

[0028] 1. Box body; 11. First partition; 12. Second partition; 13. Notch; 2. Third partition; 21. First slide; 22. Limit plate; 23. Slider; 24. First spring; 25. First roller; 26. Fourth partition; 27. Limit ring; 28. Second roller; 29. ​​Fifth partition; 3. Rotating shaft; 31. Third roller; 32. Spur gear; 4. Gun storage box; 41. Receiving groove; 42. Handle; 43. Charging gun; 44. First wedge block; 45. Tooth groove; 46. Second slide; 47. Second spring; 48. First card slot; 49. Second card slot; 5. Second rotating shaft; 51. Turntable; 52. Second wedge block; 53. Knob; 54. Third slide; 55. Third spring. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0030] Please refer to 1-8, a charging pile plug connection structure, including: a box body 1, a gun storage box 4 is slidably arranged in the box body 1, a first partition 11 and a second partition 12 are fixedly connected in the box body 1, the gun storage box 4 is slidably arranged between the inner wall of the box body 1 and the second partition 12, and a charging gun 43 is clamped in the gun storage box 4, refer to Figure 3 A slot 13 is provided on the box body 1 for the charging line to pass through, a locking assembly is provided on one side of the gun storage box 4, a tooth groove 45 is provided on the bottom of the gun storage box 4, a rotating shaft 3 is rotatably provided in the box body 1, a third roller 31 and a spur gear 32 are fixedly sleeved on the outside of the rotating shaft 3, the spur gear 32 is meshed with the tooth groove 45, a charging line is connected to the end of the charging gun 43, the charging line is wound around the outside of the third roller 31, and a wire take-up assembly for storing the charging line is provided in the box body 1, when the gun storage box 4 is pulled out of the box body 1, the charging line is pulled out of the wire take-up assembly, and when the gun storage box 4 is pushed back into the box body 1, the charging line is stored by the wire take-up assembly.

[0031] Specifically, the present invention unlocks the gun storage box 4 by rotating the locking assembly, and pulls the gun storage box 4 out of the case 1, so that the tooth groove 45 drives the spur gear 32 to rotate, and then the third roller 31 rotates to send the charging cable out. When the charging pile is no longer needed, the gun storage box 4 is pushed into the case 1, and the tooth groove 45 drives the spur gear 32 to rotate in the opposite direction, and then with the cooperation of the wire-retracting assembly, the third roller 31 retracts the charging cable into the case 1, so that the charging cable is stored when not in use, avoiding the influence of the charging cable's own gravity on the suspension stability of the charging gun 43, and avoiding the charging cable from being exposed to the outside, thereby protecting the charging cable and extending the service life of the charging cable.

[0032] Furthermore, a receiving groove 41 is provided on the gun storage box 4, a second slide groove 46 is provided in the receiving groove 41, a first wedge block 44 is slidably provided in the second slide groove 46, the first wedge block 44 is connected to the inner wall of the second slide groove 46 through a second spring 47, one end of the second spring 47 is fixedly connected to the inner wall of the second slide groove 46, and the other end of the second spring 47 is fixedly connected to the bottom of the first wedge block 44.

[0033] Specifically, refer to Figure 6 and Figure 8When the charging gun 43 is clamped in the receiving groove 41, the bottom of the charging gun 43 is restricted in the receiving groove 41 by the first wedge block 44. The bottom of the receiving groove 41 is opened into an inclined surface. The upper part of the receiving groove 41 is designed according to the shape of the charging gun 43 to ensure that the charging gun 43 can be restricted in the receiving groove 41. When the charging gun 43 needs to be taken out of the receiving groove 41, the charging gun 43 can be lifted up and taken out. When the charging gun 43 needs to be put into the receiving groove 41, it is only necessary to push the charging gun 43 upward along the inclined surface at the bottom of the receiving groove 41. The bottom of the charging gun 43 squeezes the first wedge block 44. The first wedge block 44 retracts into the second slide groove 46 after overcoming the elastic force of the second spring 47. After the charging gun 43 is placed deep in the receiving groove 41, the first wedge block 44 extends out of the second slide groove 46 under the elastic force of the second spring 47 to block the charging gun 43.

[0034] Furthermore, the locking assembly includes a second rotating shaft 5, which is rotatably arranged between the inner wall of the box body 1 and the first partition plate 11, and a turntable 51 is fixedly sleeved on the outside of the second rotating shaft 5. One end of the second rotating shaft 5 passes through the box body 1 and is fixedly connected to a knob 53, and a directional mark is arranged on the knob 53. A third sliding groove 54 is opened in the turntable 51, and a second wedge block 52 is slidably arranged in the third sliding groove 54. The second wedge block 52 is connected to the inner wall of the third sliding groove 54 through a third spring 55, one end of the third spring 55 is fixedly connected to the inner wall of the third sliding groove 54, and the other end of the third spring 55 is fixedly connected to the second wedge block 52. A first card slot 48 and a second card slot 49 are opened on one side of the gun storage box 4 close to the locking assembly, and the second wedge block 52 can be stuck into the first card slot 48 or the second card slot 49 by rotating the knob 53.

[0035] Specifically, refer to Figure 4 , Figure 6 as well as Figure 7 The knob 53 is located outside the box body 1. The direction of the directional mark set on the knob 53 is consistent with the extension direction of the second wedge block 52. When the gun storage box 4 is located in the box body 1, the second wedge block 52 is inserted into the second card slot 49 to limit the gun storage box 4 from sliding out of the box body 1. When the gun storage box 4 needs to be pulled out of the box body 1, the knob 53 is first rotated clockwise by 60 to 90 degrees, generally 90 degrees, so that the outer wall of the second wedge block 52 presses the inner wall of the second card slot 49, so that the third spring 55 The second wedge block 52 is compressed and retracted into the third slide groove 54. The knob 53 is rotated to disengage the second wedge block 52 from the engaging relationship with the second engaging groove 49, and then the gun storage box 4 can be pulled out. After the gun storage box 4 is pulled out, the knob 53 is rotated counterclockwise by 60 to 90 degrees, generally 90 degrees, so that the second wedge block 52 is inserted into the first engaging groove 48, preventing the gun storage box 4 from retracting into the box body 1. A limit block is provided in the box body 1 to limit the gun storage box 4 from being completely pulled out of the box body 1, thereby preventing the box body 1 from being pulled away from the box body 1.

[0036] Further, the wire take-up assembly includes a third partition plate 2, which is fixedly connected to the box body 1, and three first slide grooves 21 are opened on the third partition plate 2. A slider 23 is slidably arranged in the first slide groove 21, and the slider 23 is connected to the inner wall of the first slide groove 21 through a first spring 24. One end of the first spring 24 is fixedly connected to the slider 23, and the other end of the first spring 24 is fixedly connected to the inner wall of the first slide groove 21. Among the three first slide grooves 21, the first spring 24 located in the middle first slide groove 21 has the same compression direction as the first slide grooves 21 on both sides. The compression direction of the first spring 24 inside is opposite, a first roller 25 is rotatably provided on the slider 23, and a limiting plate 22 is provided in the first slide groove 21, the limiting plate 22 is fixedly connected on both sides of the outlet of the first slide groove 21, the limiting plate 22 limits the slider 23 in the first slide groove 21, a fourth partition 26 is fixedly connected to the third partition 2, a limiting ring 27 is fixedly sleeved on the outer side of the charging line, the limiting ring 27 is located on the outer side of the fourth partition 26, two second rollers 28 are rotatably provided on the third partition 2, and the charging line passes between the two second rollers 28.

[0037] Specifically, refer to Figure 3 A fifth partition 29 is fixedly connected to the box body 1, and the second roller 28 is located on the left side of the fifth partition 29. The fifth partition 29 is fixedly connected to the first partition 11. The charging line is wrapped around the third roller 31 twice, passes through the fifth partition 29 and is inserted between the two second rollers 28, then wrapped around the outside of the three first rollers 25, and finally passes through the fourth partition 26. It is restricted to the left side of the fourth partition 26 by the limit ring 27. The two second rollers 28 are used to change the direction of the charging line.

[0038] In the present invention, reference Figures 1 to 8 When you need to use a charging pile to charge, refer to Figure 6, turn the knob 53 90 degrees clockwise to unlock the gun storage box 4, pull the gun storage box 4 out of the distance of one end of the box body 1, and turn the knob 53 counterclockwise 90 degrees, insert the second wedge block 52 into the first slot 48 to lock the gun storage box 4. During this process, the tooth groove 45 drives the spur gear 32 to rotate, and the charging wire close to the side of the charging gun 43 is released under the rotation of the third roller 31, and the charging wire extending into the take-up assembly is taken up by the third roller 31. The charging wire in the take-up assembly overcomes the elastic force of the three first springs 24, so that the charging wire is straightened; when it is no longer When using the charging pile, insert the charging gun 43 into the accommodating groove 41, turn the knob 53 90 degrees clockwise, the second wedge block 52 is no longer engaged with the first slot 48, push the gun storage box 4 into the box body 1, turn the knob 53 90 degrees counterclockwise, insert the second wedge block 52 into the second slot 49, and limit the gun storage box 4 in the box body 1. During this process, the tooth groove 45 drives the spur gear 32 to rotate, so that the third roller 31 retracts the charging wire on one side of the charging gun 43, and under the elastic force of the three first springs 24, the charging wire guided into the wire-retracting assembly is supported and stored.

[0039] Furthermore, a handle 42 is fixedly connected to the gun storage box 4 , and the handle 42 is located at one side of the receiving groove 41 .

[0040] Specifically, refer to Figure 6 , by pulling the handle 42, the gun storage box 4 is pulled out a distance.

[0041] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A charging pile plug connection structure, comprising: The box (1) is characterized in that: a gun storage box (4) is slidably arranged in the box (1), a charging gun (43) is clamped in the gun storage box (4), a locking assembly is arranged on one side of the gun storage box (4), a tooth groove (45) is provided at the bottom of the gun storage box (4), a rotating shaft (3) is rotatably arranged in the box (1), a third roller (31) and a spur gear (32) are fixedly sleeved outside the rotating shaft (3), the spur gear (32) is meshed with the tooth groove (45), a charging wire is connected to the end of the charging gun (43), the charging wire is wound around the outside of the third roller (31), and a wire take-up assembly for storing the charging wire is arranged in the box (1), when the gun storage box (4) is pulled out of the box (1), the charging wire is pulled out of the wire take-up assembly, and when the gun storage box (4) is pushed back into the box (1), the charging wire is stored in the wire take-up assembly; The locking assembly comprises a second rotating shaft (5), the second rotating shaft (5) is rotatably arranged on the box body (1), a rotating disk (51) is fixedly sleeved outside the second rotating shaft (5), one end of the second rotating shaft (5) passes through the box body (1) and is fixedly connected to a knob (53), a third sliding groove (54) is provided in the rotating disk (51), a second wedge block (52) is slidably arranged in the third sliding groove (54), and the second wedge block (52) is connected to the inner wall of the third sliding groove (54) via a third spring (55); A first slot (48) and a second slot (49) are provided on one side of the gun storage box (4) close to the locking assembly, and the second wedge (52) can be inserted into the first slot (48) or the second slot (49) by rotating the knob (53); The knob (53) is provided with a directional mark.

2. A charging pile plug connection structure according to claim 1, characterized in that: The gun storage box (4) is provided with a receiving groove (41), a second sliding groove (46) is provided in the receiving groove (41), a first wedge block (44) is slidably arranged in the second sliding groove (46), and the first wedge block (44) is connected to the inner wall of the second sliding groove (46) via a second spring (47).

3. A charging pile plug connection structure according to claim 1, characterized in that: The wire take-up assembly comprises a third partition plate (2), the third partition plate (2) being fixedly connected to the box body (1), the third partition plate (2) being provided with three first slide grooves (21), a slider (23) being slidably arranged in the first slide groove (21), the slider (23) being connected to the inner wall of the first slide groove (21) via a first spring (24), and the compression direction of the first spring (24) in the middle first slide groove (21) of the three first slide grooves (21) being opposite to the compression direction of the first springs (24) in the first slide grooves (21) on both sides.

4. A charging pile plug connection structure according to claim 3, characterized in that: A first roller (25) is rotatably arranged on the slider (23), and a limiting plate (22) is arranged in the first slide groove (21), wherein the limiting plate (22) limits the slider (23) in the first slide groove (21).

5. A charging pile plug connection structure according to claim 4, characterized in that: The third partition plate (2) is fixedly connected to a fourth partition plate (26), and a limiting ring (27) is fixedly sleeved on the outer side of the charging cable, wherein the limiting ring (27) is located on the outer side of the fourth partition plate (26).

6. A charging pile plug connection structure according to claim 5, characterized in that: Two second rollers (28) are rotatably arranged on the third partition plate (2), and the charging line passes between the two second rollers (28).

7. A charging pile plug connection structure according to claim 2, characterized in that: A handle (42) is fixedly connected to the gun storage box (4), and the handle (42) is located on one side of the receiving groove (41).

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