An anti-corrosion flame-retardant charging harness for new energy vehicles

Abstract

The present invention relates to the technical field of charging wire harnesses, and specifically to a flame-retardant charging wire harness for new energy vehicles that is resistant to erosion, including a charging wire harness body. One end of the outer wall of the charging wire harness body is fixedly connected with a plug, and the inner wall of the charging wire harness body is fixedly connected with a protective sleeve, and a wire mesh is fixedly connected to the inner wall of the protective sleeve. Through the push generated by the compression of the telescopic shell on the flame-retardant sleeve, the flame-retardant sleeve can be fixed at the connection between the plug and the socket, wrapping the plug, avoiding the occurrence of sparks when the plug is connected to the socket, and directly exposing the sparks to the air, which is likely to cause the rapid spread of the sparks. Correspondingly, the connection between the plug and the socket is covered inside by the flame-retardant sleeve, forming a closed environment. In this oxygen-deficient space, the spread of the sparks can be reduced. Moreover, since the material of the flame-retardant sleeve is silicone rubber and it has the characteristic of self-extinguishing at high temperatures, it will automatically extinguish within three seconds when in contact with an open flame, effectively preventing the spread of the fire.

Description

Technical Field

[0001] The present invention belongs to the technical field of charging harnesses, and particularly relates to a flame-retardant charging harness for new energy vehicles that resists erosion. Background Art

[0002] A flame-retardant charging harness for new energy vehicles that resists erosion is a high-performance charging harness designed specifically for new energy vehicles. Its core objective is to address two major challenges faced by traditional harnesses in complex environments: environmental erosion and fire risk.

[0003] However, the following problems still exist when the traditional device is in use:

[0004] The patent with the publication number CN215552601U discloses a high-voltage charging harness for new energy vehicles. By providing a corrugated pipe on the outer wall of the vehicle's high-voltage charging harness, the corrugated pipe can provide shock protection for the internal structure of the charging harness and protect its skin from damage. By providing a compression spring between the outer electrostatic shielding layer and the outer insulating layer, the compression spring can provide anti-extrusion protection for the harness, thereby protecting the high-voltage harness core and the low-voltage harness core in the outer insulating layer. This can prevent the wires of the charging harness from leaking electricity and reduce potential safety hazards in the vehicle.

[0005] In the prior art, protective sleeves and copper wires are provided inside the harness body to protect the charging harness body. However, the plugs at both ends of the harness are not protected. If a fire occurs at the connection, without the control of a flame-retardant sleeve, the fire is likely to spread rapidly, causing greater losses.

[0006] Therefore, we need a flame-retardant charging harness for new energy vehicles that resists erosion to solve the problem of lack of flame retardancy for plugs and can provide flame retardancy for plugs. Summary of the Invention

[0007] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a flame-retardant charging harness for new energy vehicles that resists erosion, which has the advantage of being able to provide flame retardancy for plugs.

[0008] To achieve the above object, the present invention provides the following technical solution: a flame-retardant charging wire harness for a new energy vehicle against erosion, including a charging wire harness body. One end of the outer wall of the charging wire harness body is fixedly connected with a plug. The inner wall of the charging wire harness body is fixedly connected with a protective sleeve. The inner wall of the protective sleeve is fixedly connected with a wire mesh. The outer wall of the charging wire harness body is fixedly connected with a telescopic shell. One end of the outer wall of the telescopic shell is fixedly connected with a fixing sleeve. The inner wall of the fixing sleeve is in movable contact with the outer wall of the charging wire harness body. One side of the outer wall of the fixing sleeve is fixedly connected with a flame-retardant sleeve. The inside of the flame-retardant sleeve is slidably connected with the outer wall of the plug. The other side of the outer wall of the fixing sleeve is fixedly connected with a U-shaped fixing frame. A speed reduction wheel is arranged on one side inner wall of the U-shaped fixing frame. The top outer wall of the charging wire harness body is fixedly connected with a tooth seat. The top outer wall of the tooth seat is meshed with the outer wall of the speed reduction wheel.

[0009] Preferably, a rotating shaft is rotatably connected to one side inner wall of the U-shaped fixing frame. A speed reduction wheel is fixedly connected to the outer wall of the rotating shaft. An elastic block is fixedly connected to the inside of the tooth seat. A first tooth is fixedly connected to the top outer wall of the elastic block. The bottom outer wall of the first tooth is slidably connected to the inside of the tooth seat. A guide plate is fixedly connected to the other side outer wall of the fixing sleeve. The bottom outer wall of the guide plate is in movable contact with the top outer wall of the first tooth. A scraping plate is fixedly connected to one side inner wall of the U-shaped fixing frame.

[0010] Preferably, a solution tank is provided inside the telescopic shell. One end of the outer wall of the solution tank is connected through the inside of the fixing sleeve. A circulation hole is provided above one side outer wall of the fixing sleeve. A connecting pipe is fixedly connected to the outer wall of the circulation hole. A nozzle is fixedly connected to the bottom outer wall of the connecting pipe. A fixing ring is fixedly connected to one end of the outer wall of the nozzle. A mounting seat is fixedly connected to the lower part of the inner wall of the fixing ring. A collecting tank is movably inserted into the inner wall of the mounting seat.

[0011] Preferably, a plugging shell is movably inserted into the other side inside of the fixing sleeve. One end of the outer wall of the plugging shell is movably inserted into the inside of the circulation hole. A first return spring is fixedly connected to one side inner wall of the plugging shell. One end of the outer wall of the first return spring is fixedly connected to the other side outer wall of the fixing sleeve. A moving rod is slidably connected to the inner wall of the plugging shell. A second friction pad is fixedly connected to the outer wall of the moving rod. A first friction pad is fixedly connected to the inner wall of the plugging shell. A second groove is provided on the bottom outer wall of the moving rod.

[0012] Preferably, an L-shaped frame is fixedly connected to the outer wall of one side of the speed reduction wheel. A driving block is slidably connected to the inside of one side of the L-shaped frame. A second return spring is fixedly connected to the upper part inside the driving block. One end of the outer wall of the second return spring is fixedly connected to the lower part of the inner wall of one side of the L-shaped frame. The top outer wall of the driving block is movably inserted into the inner wall of the second groove.

[0013] Preferably, a second hinge is fixedly connected to the outer wall of the rotating shaft, a supporting plate is rotatably connected to the inner wall of the second hinge, a first hinge is rotatably connected to the inside of one end of the supporting plate, and an arc plate is fixedly connected to the outer wall of the top of the first hinge.

[0014] Preferably, a first groove is formed in the outer wall of the rotating shaft, a sensitive spring is fixedly connected to the lower part of the inner wall of the first groove, a mounting plate is fixedly connected to the outer wall of the top of the sensitive spring, a T-shaped telescopic rod is rotatably connected to the inside of one side of the mounting plate, and the outer wall of the T-shaped telescopic rod is slidably connected to the inside of the supporting plate.

[0015] Preferably, a cavity is formed in the inside of the reduction gear, an inlet is formed in the connection part of the L-shaped frame inside the cavity, a solution channel is formed in the inside of the L-shaped frame, and a round hole is formed in the inner wall of one end of the solution channel.

[0016] Preferably, an inclined hole is formed in the outer wall of the reduction gear, and the outer wall of the other end of the L-shaped frame is movably inserted into the inside of the reduction gear.

[0017] Preferably, a square groove is formed in the lower part of the inside of the solution channel, a plugging block is movably inserted into the inside of the square groove, a third return spring is fixedly connected to the outer wall of one side of the bottom of the plugging block, the outer wall of the top of the third return spring is fixedly connected to the outer wall of the bottom of the L-shaped frame, and a flow channel is formed in the plugging block.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] Through the push generated by the compression of the telescopic shell on the flame-retardant sleeve, the flame-retardant sleeve can be fixed at the connection part of the plug and the socket, and the plug can be wrapped, avoiding the generation of sparks when the plug and the socket are connected. The sparks are directly exposed in the air, which is likely to cause the rapid spread of the sparks. Correspondingly, by covering the connection part of the plug and the socket with the flame-retardant sleeve inside, a closed environment is formed. In this oxygen-deficient space, the spread of the sparks can be reduced. Moreover, since the material of the flame-retardant sleeve is silicone rubber and it has the characteristic of self-extinguishing at high temperature, it will automatically extinguish within three seconds when contacting an open flame, effectively preventing the spread of the fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present invention.

[0021] Figure 2 is a schematic structural diagram of a cross-sectional view of one end of the charging wire harness body of the present invention.

[0022] Figure 3 is a schematic structural diagram of a cross-sectional view of the telescopic shell of the present invention.

[0023] Figure 4 is Figure 3Schematic enlarged view of part A in [the figure].

[0024] Figure 5 Schematic structural view of the U-shaped fixing bracket of the present invention.

[0025] Figure 6 Schematic structural view of the supporting plate of the present invention.

[0026] Figure 7 is Figure 6 Schematic enlarged view of part B in [the figure].

[0027] Figure 8 Schematic structural view of the tooth seat of the present invention.

[0028] Figure 9 is Figure 8 Schematic enlarged view of part C in [the figure].

[0029] Figure 10 is Figure 8 Schematic enlarged view of part D in [the figure].

[0030] Figure 11 is Figure 8 Schematic enlarged view of part E in [the figure].

[0031] Figure 12 Schematic structural view of the L-shaped bracket of the present invention.

[0032] Figure 13 is Figure 12 Schematic enlarged view of part F in [the figure].

[0033] Figure 14 Schematic structural view of the flow-through hole of the present invention.

[0034] In the figure: 1. Charging harness body; 11. Plug; 12. Protective sleeve; 13. Wire mesh; 2. Telescopic shell; 21. Flame-retardant sleeve; 22. Fixed sleeve; 23. Fixed ring; 24. Connecting pipe; 241. Mounting seat; 242. Collection groove; 25. Sprayer; 26. Moving rod; 27. Plugging shell; 28. First reset spring; 29. Flow-through hole; 210. Second groove; 3. U-shaped fixing bracket; 31. Reduction wheel; 32. Tooth seat; 321. First tooth; 322. Guide plate; 323. Elastic block; 33. Rotating shaft; 4. Supporting plate; 41. First hinge; 42. Second hinge; 43. Arc-shaped plate; 44. T-shaped telescopic rod; 45. Mounting plate; 46. Sensitive spring; 47. First groove; 5. L-shaped bracket; 51. Oblique hole; 52. Scraper; 53. Driving block; 54. Round hole; 541. Solution channel; 55. Second reset spring; 6. Plugging block; 61. Third reset spring; 62. Flow channel; 63. Square groove. Detailed implementation manners

[0035] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following further details the embodiments of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0036] Embodiment 1. Please refer to Figures 1 to 14 , the present invention provides a technical solution for a flame-retardant charging wire harness of a new energy vehicle against erosion: including a charging wire harness body 1, a plug 11 is fixedly connected to the outer wall of one end of the charging wire harness body 1, a protective sleeve 12 is fixedly connected to the inner wall of the charging wire harness body 1, a wire mesh 13 is fixedly connected to the inner wall of the protective sleeve 12, a telescopic shell 2 is fixedly connected to the outer wall of the charging wire harness body 1, a fixing sleeve 22 is fixedly connected to the outer wall of one end of the telescopic shell 2, the inner wall of the fixing sleeve 22 is in movable contact with the outer wall of the charging wire harness body 1, a flame-retardant sleeve 21 is fixedly connected to the outer wall of one side of the fixing sleeve 22, the inside of the flame-retardant sleeve 21 is slidably connected to the outer wall of the plug 11, a U-shaped fixing frame 3 is fixedly connected to the outer wall of the other side of the fixing sleeve 22, a reduction gear 31 is arranged on the inner wall of one side of the U-shaped fixing frame 3, a tooth seat 32 is fixedly connected to the outer wall of the top of the charging wire harness body 1, the outer wall of the top of the tooth seat 32 is meshed with the outer wall of the reduction gear 31, a rotating shaft 33 is rotatably connected to the inner wall of one side of the U-shaped fixing frame 3, a reduction gear 31 is fixedly connected to the outer wall of the rotating shaft 33, an elastic block 323 is fixedly connected to the inside of the tooth seat 32, a first tooth 321 is fixedly connected to the outer wall of the top of the elastic block 323, the outer wall of the bottom of the first tooth 321 is slidably connected to the inside of the tooth seat 32, a guide plate 322 is fixedly connected to the outer wall of the other side of the fixing sleeve 22, the outer wall of the bottom of the guide plate 322 is in movable contact with the outer wall of the top of the first tooth 321, and a scraping plate 52 is fixedly connected to the inner wall of one side of the U-shaped fixing frame 3.

[0037] Through the push generated by the compression of the telescopic shell 2 on the flame-retardant sleeve 21, the flame-retardant sleeve 21 can be fixed at the connection between the plug 11 and the socket, wrapping the plug 11, avoiding sparks when the plug 11 is connected to the socket, and making the sparks directly exposed to the air, which is likely to cause the rapid spread of the sparks. Correspondingly, by covering the connection between the plug 11 and the socket with the flame-retardant sleeve 21 to form a closed environment, in this oxygen-deficient space, the spread of the sparks can be reduced. Moreover, since the material of the flame-retardant sleeve 21 is silicone rubber and it has the characteristic of self-extinguishing at high temperatures, it will automatically extinguish within three seconds when in contact with an open flame, effectively preventing the spread of the fire;

[0038] Furthermore, through the cooperation of the rotating reduction wheel 31 and the tooth seat 32, when the charging wire harness body 1 moves forward, the resistance to the movement of the charging wire harness body 1 is increased, thereby slowing down the movement speed of the charging wire harness body 1, enabling the plug 11 to be inserted into the interior of the jack. This avoids the risk of electric sparks and short circuits caused by too fast a speed when directly pushing in the charging wire harness body 1. Correspondingly, the speed at which the plug 11 is inserted into the jack can be controlled through the transmission of the reduction wheel 31, reducing the risk of electric sparks or short circuits caused by rapid insertion, thereby reducing the possibility of electric shock.

[0039] Embodiment 2: On the basis of Embodiment 1, a hinge two 42 is fixedly connected to the outer wall of the rotating shaft 33. The inner wall of the hinge two 42 is rotatably connected to a support plate 4. One end of the support plate 4 is rotatably connected to a hinge one 41 inside. An arc plate 43 is fixedly connected to the outer wall of the top of the hinge one 41. A groove one 47 is formed in the outer wall of the rotating shaft 33. A sensitive spring 46 is fixedly connected to the lower part of the inner wall of the groove one 47. The outer wall of the top of the sensitive spring 46 is fixedly connected to a mounting plate 45. A T-shaped telescopic rod 44 is rotatably connected to the inside of one side of the mounting plate 45. The outer wall of the T-shaped telescopic rod 44 is slidably connected to the inside of the support plate 4.

[0040] After the arc plate 43 is opened, it can simultaneously abut against the bottoms of the driving block 53 and the blocking block 6. Then, through the sensitive spring 46 on the rotating shaft 33, even when the rotating shaft 33 is rotating slowly, the sensitive spring 46 will be extended outward under the action of centrifugal force, thereby enabling the mounting plate 45 to push the support plate 4 to open. Correspondingly, the force-receiving effect of the support plate 4 is increased, enabling the support plate 4 to quickly enter the working state when the rotating shaft 33 is rotating.

[0041] Embodiment 3: On the basis of Embodiment 2, an L-shaped frame 5 is fixedly connected to the outer wall of one side of the reduction wheel 31. A driving block 53 is slidably connected to the inside of one side of the L-shaped frame 5. A return spring two 55 is fixedly connected to the upper part inside the driving block 53. The outer wall of the bottom of the return spring two 55 is fixedly connected to the lower part of the inner wall of one side of the L-shaped frame 5. The outer wall of the top of the driving block 53 is movably inserted into the inner wall of the groove two 210. The other side of the fixed sleeve 22 is movably inserted with a blocking shell 27. The outer wall of one end of the blocking shell 27 is movably inserted into the inside of the through hole 29. A return spring one 28 is fixedly connected to the inner wall of one side of the blocking shell 27. The outer wall of one end of the return spring one 28 is fixedly connected to the outer wall of the other side of the fixed sleeve 22. A moving rod 26 is slidably connected to the inner wall of the blocking shell 27. A friction pad two is fixedly connected to the outer wall of the moving rod 26. A friction pad one is fixedly connected to the inner wall of the blocking shell 27. A groove two 210 is formed in the outer wall of the bottom of the moving rod 26.

[0042] When driving the driving block 53 to move through the L-shaped frame 5, the driving block 53 can be made to push the second groove 210 to move. Then, through the movement of the second groove 210, the moving rod 26 can be made to drive the sealing shell 27 to move accordingly, so that one end of the sealing shell 27 leaves the inside of the flow hole 29, and the flow hole 29 can start to work. By using the rotation of the reduction wheel 31 to drive the sealing shell 27 to move, it is avoided that when the operator inserts the plug 11 into the jack, an extra hand is needed to pull the sealing shell 27 to move. Correspondingly, the operation steps of the operator are simplified, and the operator only needs to complete the step of connecting the plug 11 and the jack to drive a series of functions to move.

[0043] Embodiment 4: On the basis of Embodiment 1, a solution tank is provided inside the telescopic shell 2. The outer wall of one end of the solution tank is connected through the inside of the fixed sleeve 22. A flow hole 29 is provided in the upper part of the outer wall on one side of the fixed sleeve 22. A connecting pipe 24 is fixedly connected to the outer wall of the flow hole 29. A spray head 25 is fixedly connected to the outer wall at the bottom of the connecting pipe 24. A fixing ring 23 is fixedly connected to the outer wall at one end of the spray head 25. An installation seat 241 is fixedly connected to the lower part of the inner wall on one side of the fixing ring 23. A collection tank 242 is movably inserted into the inner wall of the installation seat 241.

[0044] Make the UV solution enter the inside of the connecting pipe 24 through the flow hole 29, and finally spray it onto the highest point of the flame retardant sleeve 21 through the spray head 25. The UV solution flows along the arc of the flame retardant sleeve 21, thereby increasing the service life of the flame retardant sleeve 21, avoiding the increase in the aging speed of the flame retardant sleeve 21 due to long-term exposure to the outdoor environment, correspondingly improving the wear resistance of the flame retardant sleeve 21, and further isolating the transfer of oxygen and heat during combustion to delay the spread of fire.

[0045] Embodiment 5: On the basis of Embodiment 4, a cavity is provided inside the reduction wheel 31. An inlet is provided at the connection of the L-shaped frame 5 inside the cavity. A solution channel 541 is provided inside the L-shaped frame 5. A round hole 54 is provided in the inner wall at one end of the solution channel 541. An inclined hole 51 is provided in the outer wall of the reduction wheel 31. The outer wall at the other end of the L-shaped frame 5 is movably inserted into the inside of the reduction wheel 31. A square groove 63 is provided in the lower part inside the solution channel 541. A plugging block 6 is movably inserted into the square groove 63. A third return spring 61 is fixedly connected to the outer wall at one side of the bottom of the plugging block 6. The outer wall at the top of the third return spring 61 is fixedly connected to the outer wall at the bottom of the L-shaped frame 5. A flow channel 62 is provided in the plugging block 6.

[0046] Since the inner part of the inclined hole 51 is a slope, it is convenient for the anticorrosive liquid to flow to the outer wall of the reduction wheel 31 from the inclined hole 51. Then, through the contact between the scraping plate 52 and the outer wall of the reduction wheel 31, when the anticorrosive liquid flows to the outer wall of the reduction wheel 31, the scraping plate 52 can scrape it evenly, avoiding that the anticorrosive liquid will always move along one track, and correspondingly increasing the covering effect of the anticorrosive liquid.

[0047] Working principle and usage process of the present invention: When in use, when the charging harness body 1 is in use, first, place the flame-retardant sleeve 21 connected to one end of the charging harness body 1 against the power source, align the plug 11 with the socket at the power source, and then the operator pushes the charging harness body 1 forward by hand. When the charging harness body 1 moves, the tooth seat 32 can drive the reduction gear 31 to rotate, and the mechanical resistance is increased by the rotation of the reduction gear 31, further slowing down the speed at which the plug 11 is inserted into the socket, so that the charging harness body 1 can push the plug 11 slowly and smoothly into the socket. Then, with the flame-retardant sleeve 21 and the telescopic shell 2 provided on the charging harness body 1, the telescopic shell 2 is compressed when the charging harness body 1 moves forward. When the plug 11 is completely inserted into the socket and stops pushing the charging harness body 1, the flame-retardant sleeve 21 is fixed at the connection between the plug 11 and the socket by the push generated by the compression of the telescopic shell 2, wrapping the plug 11, preventing sparks from occurring when the plug 11 is connected to the socket and directly exposing the sparks to the air, which is likely to cause the rapid spread of the sparks. Correspondingly, the connection between the plug 11 and the socket is covered inside by the flame-retardant sleeve 21 to form a closed environment. In this oxygen-deficient space, the spread of the sparks can be reduced. Moreover, since the material of the flame-retardant sleeve 21 is silicone rubber and it has the property of self-extinguishing at high temperatures, it will automatically extinguish within three seconds when in contact with an open flame, effectively preventing the spread of the fire.

[0048] Furthermore, through the cooperation of the rotation of the reduction gear 31 and the tooth seat 32, the resistance to the movement of the charging harness body 1 is increased when the charging harness body 1 moves forward, thereby slowing down the movement speed of the charging harness body 1 and enabling the plug 11 to be inserted into the socket, avoiding the risk of electric sparks and short circuits caused by too fast a speed when directly pushing the charging harness body 1. Correspondingly, the speed at which the plug 11 is inserted into the socket can be controlled through the transmission of the reduction gear 31, reducing the risk of electric sparks or short circuits caused by rapid insertion, thereby reducing the possibility of electric shock.

[0049] It should be noted that: Through the cooperation of the first tooth 321 and the elastic block 323, the first tooth 321 can move up and down inside the tooth seat 32. When the first tooth 321 moves to the guide plate 322, the first tooth 321 can enter the inside of the tooth seat 32 through the setting of the guide plate 322 and can enter the inside of the flame-retardant sleeve 21 along with the tooth seat 32, avoiding being intercepted when the first tooth 321 moves to the fixed sleeve 22. Correspondingly, it is convenient for the tooth seat 32 to enter the inside of the flame-retardant sleeve 21 along with the charging harness body 1.

[0050] Through the fixed connection between the L-shaped frame 5 and the reduction gear 31, when the reduction gear 31 rotates, the L-shaped frame 5 can be driven to move accordingly. Then, through the contact between the driving block 53 and the inside of the second groove 210, when the L-shaped frame 5 drives the driving block 53 to move, the driving block 53 can push the second groove 210 to move. Subsequently, through the movement of the second groove 210, the moving rod 26 can drive the plugging shell 27 to move accordingly, so that one end of the plugging shell 27 leaves the inside of the flow hole 29, and the flow hole 29 can start to work. By using the rotation of the reduction gear 31 to drive the movement of the plugging shell 27, it is avoided that when the operator inserts the plug 11 into the jack, one hand still needs to be freed to pull the plugging shell 27 to move. Correspondingly, the operation steps of the operator are simplified, and the operator only needs to complete the step of connecting the plug 11 and the jack to drive a series of functions to move.

[0051] It should be noted that: through the cooperation of the first friction pad and the second friction pad respectively arranged on the moving rod 26 and the plugging shell 27, when the moving rod 26 moves, the plugging shell 27 can be driven to move accordingly, and the frictional force between the first friction pad and the second friction pad is greater than the elastic force of the first return spring 28 itself.

[0052] Furthermore, the outer wall of one end of the telescopic shell 2 is fixedly connected to the outer wall of the charging harness body 1. The flame retardant sleeve 21 resists at the power supply and cannot move forward any further. At this time, when the charging harness body 1 moves forward, the telescopic shell 2 is compressed, so that the UV solution inside the telescopic shell 2 completely enters the inside of the fixed sleeve 22, and the UV solution in the fixed sleeve 22 will increase. When the UV solution in the fixed sleeve 22 rises to the flow hole 29, the UV solution enters the inside of the connecting pipe 24 through the flow hole 29, and finally is sprayed onto the highest point of the flame retardant sleeve 21 through the nozzle 25. The UV solution flows along the arc of the flame retardant sleeve 21, thereby increasing the service life of the flame retardant sleeve 21, avoiding the increase of the aging speed of the flame retardant sleeve 21 due to long-term exposure to the outdoor environment, correspondingly improving the wear resistance of the flame retardant sleeve 21, and further isolating the transmission of oxygen and heat during combustion to delay the spread of the fire.

[0053] Furthermore, through the collection groove 242 arranged at the bottom of the flame retardant sleeve 21, the excess UV solution can be collected, avoiding the UV solution dripping on the ground and being inconvenient to clean.

[0054] It should be noted that: a piston rod is movably inserted into one side of the outer wall of the fixed sleeve 22 on one side of the U-shaped fixing frame 3. By pulling out the piston rod, the UV solution can be added to the inside of the fixed sleeve 22.

[0055] When the rotating shaft 33 is driven to rotate by the reduction gear 31, the centrifugal force generated by the rotation of the reduction gear 31 can be utilized to make the supporting plate 4 rotate on the hinge two 42, so that the supporting plate 4 drives the hinge one 41 to move. By using the movement of the hinge one 41, the arc-shaped plate 43 can be made to move accordingly, so that the arc-shaped plate 43 is in an open state. After the arc-shaped plate 43 is opened, it can simultaneously abut against the bottom of the driving block 53 and the blocking block 6. Then, through the sensitive spring 46 on the rotating shaft 33, even when the rotating shaft 33 is rotating slowly, the sensitive spring 46 will be extended outward under the action of the centrifugal force, so that the mounting plate 45 pushes the supporting plate 4 to expand, correspondingly increasing the force-bearing effect of the supporting plate 4, and enabling the supporting plate 4 to quickly enter the working state when the rotating shaft 33 is rotating.

[0056] When the arc-shaped plate 43 contacts the bottom of the driving block 53, the driving force on the driving block 53 can be increased. When the driving block 53 drives the moving rod 26 to move, since the arc surface of the driving block 53 contacts the groove two 210, a thrust will be generated on the driving block 53, causing the driving block 53 to push the return spring two 55 into the inside of the L-shaped frame 5. Correspondingly, through the setting of the arc-shaped plate 43, the stability of the driving block 53 can be increased, so that the driving block 53 can better drive the moving rod 26 to move. When the reduction gear 31 stops moving, the supporting plate 4 returns to its original position under the action of losing the centrifugal force. At this time, the moving rod 26 loses the forward driving force of the driving block 53 on it. At this time, under the action of the through hole 29, the blocking shell 27 can be pulled back, so that the blocking shell 27 can be inserted into the inside of the through hole 29 to block the through hole 29, avoiding the continuous movement of the through hole 29. Correspondingly, the through hole 29 only works during the insertion process of the plug 11, preventing the through hole 29 from continuously discharging the UV solution inside the fixed sleeve 22.

[0057] Through the cooperation of the friction pad one and the friction pad two, when the blocking shell 27 moves back, the blocking shell 27 can drive the moving rod 26 to move back. At this time, when the groove two 210 contacts the arc surface of the driving block 53, the driving block 53 can be pushed downward along the arc surface, so that the driving block 53 enters the inside of the L-shaped frame 5, enabling the moving rod 26 to move back smoothly, avoiding the influence of the fixed connection between the driving block 53 and the L-shaped frame 5 on the return efficiency of the moving rod 26, correspondingly increasing the flexibility of the driving block 53, and enabling the moving rod 26 to move back smoothly.

[0058] It should be noted that: when the baffle on the outer wall of the plugging shell 27 located inside the fixed sleeve 22 moves from the position of the flow-through hole 29 inside the fixed sleeve 22 to the other side, the movement of the plugging shell 27 can be restricted. At this time, when the reduction gear 31 rotates, only the driving block 53 drives the moving rod 26 to continue sliding inside the plugging shell 27. When the reduction gear 31 rotates in the reverse direction, the moving rod 26 will be pushed into the plugging shell 27 again.

[0059] When the arc-shaped plate 43 is further expanded, the plugging block 6 can be pushed into the solution channel 541. When the flow channel 62 enters the solution channel 541 through the square groove 63, the preservative at the connection between the solution channel 541 and the reduction gear 31 can be contacted. At this time, the preservative inside the reduction gear 31 will enter the solution channel 541 through the flow channel 62, and finally enter the inclined hole 51 through the round hole 54. Since the inside of the inclined hole 51 is an inclined surface, it is convenient for the preservative liquid to flow from the inclined hole 51 to the outer wall of the reduction gear 31. Then, through the contact between the scraping plate 52 and the outer wall of the reduction gear 31, when the preservative liquid flows to the outer wall of the reduction gear 31, it can be scraped evenly by the scraping plate 52, avoiding the preservative liquid always moving along one track, and correspondingly increasing the coverage effect of the preservative liquid.

[0060] Through the protective sleeve 12 and the wire mesh 13 arranged inside the charging harness body 1, the protective sleeve 12 directly blocks the contact between moisture, chemically corrosive media and the wires inside the charging harness body 1 through physical barrier, forming the first protection barrier. At the same time, it can also absorb external impact force to prevent the wires from being damaged due to extrusion and friction. The wire mesh 13 evenly disperses the stress such as tension and pressure received by the charging harness body 1 through the woven structure of metal wires, preventing the protective sleeve from being broken due to excessive local stress.

[0061] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flame-retardant charging wire harness for a new energy vehicle against erosion, comprising a charging wire harness body (1), characterized in that: One end of the outer wall of the charging wire harness body (1) is fixedly connected with a plug (11). The inner wall of the charging wire harness body (1) is fixedly connected with a protective sleeve (12). The inner wall of the protective sleeve (12) is fixedly connected with a wire mesh (13). The outer wall of the charging wire harness body (1) is fixedly connected with a telescopic shell (2). One end of the outer wall of the telescopic shell (2) is fixedly connected with a fixing sleeve (22). The inner wall of the fixing sleeve (22) is in movable contact with the outer wall of the charging wire harness body (1). One side of the outer wall of the fixing sleeve (22) is fixedly connected with a flame-retardant sleeve (21). The inside of the flame-retardant sleeve (21) is slidably connected with the outer wall of the plug (11). The other side of the outer wall of the fixing sleeve (22) is fixedly connected with a U-shaped fixing frame (3). One side inner wall of the U-shaped fixing frame (3) is provided with a reduction gear (31). The top outer wall of the charging wire harness body (1) is fixedly connected with a tooth seat (32). The top outer wall of the tooth seat (32) is meshed with the outer wall of the reduction gear (31); One side inner wall of the U-shaped fixing frame (3) is rotatably connected with a rotating shaft (33). The outer wall of the rotating shaft (33) is fixedly connected with a reduction gear (31). The inside of the tooth seat (32) is fixedly connected with an elastic block (323). The top outer wall of the elastic block (323) is fixedly connected with a first tooth (321). The bottom outer wall of the first tooth (321) is slidably connected with the inside of the tooth seat (32). The other side of the outer wall of the fixing sleeve (22) is fixedly connected with a guide plate (322). The bottom outer wall of the guide plate (322) is in movable contact with the top outer wall of the first tooth (321). One side inner wall of the U-shaped fixing frame (3) is fixedly connected with a scraping plate (52); A solution tank is provided inside the telescopic shell (2). One end of the outer wall of the solution tank is connected through the inside of the fixing sleeve (22). Above one side outer wall of the fixing sleeve (22), a circulation hole (29) is provided. The outer wall of the circulation hole (29) is fixedly connected with a connecting pipe (24). The bottom outer wall of the connecting pipe (24) is fixedly connected with a spray head (25). One end of the outer wall of the spray head (25) is fixedly connected with a fixing ring (23). Below one side inner wall of the fixing ring (23), a mounting seat (241) is fixedly connected. The inside of the mounting seat (241) is movably inserted with a collection tank (242).

2. The flame-retardant charging harness for a new energy vehicle with anti-erosion function according to claim 1, wherein: The other side inside of the fixing sleeve (22) is movably inserted with a plugging shell (27). One end of the outer wall of the plugging shell (27) is movably inserted with the inside of the circulation hole (29). One side inner wall of the plugging shell (27) is fixedly connected with a first return spring (28). One end of the outer wall of the first return spring (28) is fixedly connected with the other side outer wall of the fixing sleeve (22). A moving rod (26) is slidably connected with the inner wall of the plugging shell (27). The outer wall of the moving rod (26) is fixedly connected with a second friction pad. The inner wall of the plugging shell (27) is fixedly connected with a first friction pad. A second groove (210) is provided on the bottom outer wall of the moving rod (26).

3. The flame-retardant charging harness for a new energy vehicle with anti-erosion according to claim 1, characterized in that: On the outer wall of one side of the reduction gear (31), an L-shaped frame (5) is fixedly connected. Inside one side of the L-shaped frame (5), a driving block (53) is slidably connected. Above the inside of the driving block (53), a second return spring (55) is fixedly connected. The outer wall of the bottom of the second return spring (55) is fixedly connected to the lower part of the inner wall of one side of the L-shaped frame (5). The outer wall of the top of the driving block (53) is movably inserted into the inner wall of the second groove (210).

4. A flame-retardant charging wire harness for a new energy vehicle against erosion according to claim 1, characterized in that: On the outer wall of the rotating shaft (33), a second hinge (42) is fixedly connected. Inside the inner wall of the second hinge (42), a supporting plate (4) is rotatably connected. Inside one end of the supporting plate (4), a first hinge (41) is rotatably connected. On the outer wall of the top of the first hinge (41), an arc-shaped plate (43) is fixedly connected.

5. A flame-retardant charging harness for a new energy vehicle against erosion according to claim 4, characterized in that: On the outer wall of the rotating shaft (33), a first groove (47) is formed. Below the inner wall of the first groove (47), a sensitive spring (46) is fixedly connected. On the outer wall of the top of the sensitive spring (46), a mounting plate (45) is fixedly connected. Inside one side of the mounting plate (45), a T-shaped telescopic rod (44) is rotatably connected. The outer wall of the T-shaped telescopic rod (44) is slidably connected to the inside of the supporting plate (4).

6. The flame-retardant charging wire harness for a new energy vehicle against erosion according to claim 3, wherein: Inside the reduction gear (31), a cavity is formed. At the connection part of the L-shaped frame (5) inside the cavity, an inlet is formed. Inside the L-shaped frame (5), a solution channel (541) is formed. Inside the inner wall of one end of the solution channel (541), a round hole (54) is formed.

7. The flame-retardant charging wire harness for a new energy vehicle with anti-erosion according to claim 6, wherein: On the outer wall of the reduction gear (31), an inclined hole (51) is formed. The outer wall of the other end of the L-shaped frame (5) is movably inserted into the inside of the reduction gear (31).

8. An anti-erosion flame-retardant charging wire harness for new energy vehicles according to claim 6, characterized in that: Below the inside of the solution channel (541), a square groove (63) is formed. Inside the square groove (63), a plugging block (6) is movably inserted. On the outer wall of one side of the bottom of the plugging block (6), a third return spring (61) is fixedly connected. The outer wall of the top of the third return spring (61) is fixedly connected to the outer wall of the bottom of the L-shaped frame (5). The plugging block (6) is provided with a flow channel (62).

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