JDG pipe connecting structure

Abstract

The utility model discloses a JDG tube connecting structure, and relates to the technical field of electrics. Comprising a wiring structure, the wiring structure can conduct wiring on JDG pipe bodies and comprises a wiring box and a grounding crossing wire, structures on the two sides of the wiring box can conduct connection on the JDG pipe bodies, and structures at the two ends of the grounding crossing wire are arranged on the JDG pipe bodies; the butt joint structure can be directly connected with the JDG pipe body and comprises a sleeve structure and a plurality of sets of jacking screws, the structures at the two ends of the sleeve structure can be connected with the JDG pipe body, and the JDG pipe body can be fixed through the sets of jacking screws; the anti-leakage structure is arranged in the casing pipe structure and comprises a coupling pipe, a sealing gasket, an abutting assembly and a sealing structure, the two ends of the coupling pipe are connected with the casing pipe structure, the sealing gasket and the sealing structure are arranged in the coupling pipe, and the abutting assembly tightens the sealing structure through screwing of the jacking screw. The JDG pipe joint is simple in structure, good in practicability and safety, good in sealing performance at the joint of the pipe body, good in anti-leakage effect, high in protection capacity for the JDG pipe body and high in installation efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of electricity, and particularly relates to a connecting structure of JDG pipes. Background Art

[0002] Socket-tightening galvanized steel conduits (referred to as JDG pipes) series products are a new type of conduit for protecting electrical circuits. JDG pipes are the latest type of conduit for protecting electrical circuits. JDG pipes adopt the cross-ground wires of galvanized steel pipes and thin-walled steel pipes, overcoming the disadvantages of complex construction and large construction losses of ordinary metal conduits, and at the same time solving the problems of poor fire resistance and difficult grounding of PVC pipes.

[0003] The existing connecting structure of JDG pipes usually uses a sealing structure to seal the joint structure. However, during the long-term use of the pipe joints, they are easily squeezed by concrete, resulting in deformation or damage of the joints, thus causing leakage during subsequent use, affecting the normal use of the joints and even causing safety accidents. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a connecting structure of JDG pipes, which has the effects of relatively simple structure, good practicability and safety, good sealing performance at the pipe body connection, good anti-leakage effect, strong protection ability for the JDG pipe body, and high installation efficiency.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: The utility model provides a connecting structure of JDG pipes, including:

[0006] A wiring structure, which can wire the JDG pipe body, including a junction box and a cross-ground wire. The structures on both sides of the junction box can connect the JDG pipe body, and the structures at both ends of the cross-ground wire are arranged on the JDG pipe body;

[0007] A docking structure, which can directly dock the JDG pipe body, including a sleeve structure and multiple sets of tightening screws. The structures at both ends of the sleeve structure can be connected with the JDG pipe body, and the tightening screws are arranged at least on both sides of the top of the sleeve structure to fix the JDG pipe body;

[0008] An anti-leakage structure, which is arranged in the sleeve structure, including a coupling pipe, a sealing gasket, a pressing component and a sealing structure. The two ends of the coupling pipe are connected with the sleeve structure, the sealing gasket and the sealing structure are arranged in the coupling pipe, and the tightening screws are twisted to enable the pressing component to tighten the sealing structure.

[0009] In a specific embodiment, the pressing component includes a coupling piece, a pressing block, and an annular pressing plate. The coupling piece is arranged on the coupling pipe. At least part of the structure of the coupling piece can clamp the casing structure. A tightening ring and a locking rod are arranged on the coupling piece to tighten and fix the casing structure and the coupling pipe.

[0010] In a specific embodiment, at least two groups of the pressing blocks are arranged on the outer side of the coupling pipe, and the setting positions are adapted to the positions of the pressing screws. The annular pressing plate is arranged between the coupling pipe and the sealing structure, and a clamping groove is arranged on the sealing structure to be clamped with the annular pressing plate.

[0011] In a specific embodiment, the annular pressing plate includes a first arc-shaped clamping plate, a second arc-shaped clamping plate, and a pressing member arranged on both of them. The position of the pressing member is adapted to the position of the pressing block. The pressing screw can push the annular pressing plate by screwing to press the sealing structure.

[0012] In a specific embodiment, the sealing structure includes a cylindrical casing and funnel-shaped plate bodies arranged on both sides thereof. The side structure of the funnel-shaped plate body is connected to the coupling pipe, and a channel is arranged on the funnel-shaped plate body for the JDG pipe body to pass through.

[0013] In a specific embodiment, a shallow groove and a limiting protrusion are further arranged on the inner ring structure of the cylindrical casing. The shallow groove can clamp the sealing gasket, and the limiting protrusions are arranged on both sides of the shallow groove to limit the movement of the sealing gasket.

[0014] In a specific embodiment, the number of the sealing gaskets is multiple groups. At least part of the structure is arranged in the shallow groove, and the rest of the structure is arranged between the coupling pipe and the JDG pipe body. A plurality of threaded grooves are arranged on the outer side structure of the casing structure for the pressing screws to enter and couple.

[0015] In a specific embodiment, the wiring structure is provided with a grounding wire clamp. The grounding wire clamp is sleeved on the JDG pipe bodies at both ends of the junction box to be connected to the grounding wire clamp. The grounding wire clamp is provided with a locking screw to fix the cross grounding wire.

[0016] In a specific embodiment, the junction box is provided with a ground wire screw and a lock nut. The ground wire screw can fix the cross grounding wire, and the lock nut can be connected to the JDG pipe body.

[0017] In a specific embodiment, the docking structure is further provided with a support base. The bottom of the support base is provided with pulleys, and the top is provided with an arc-shaped support member to support the JDG pipe body.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. It has a relatively simple structure, good practicability and safety;

[0020] 2. The connection part of the pipe body has good sealing performance and good anti-leakage effect;

[0021] 3. It has a strong protection ability for the JDG pipe body and high installation efficiency. Description of the Drawings

[0022] Figure 1 It is a schematic connection diagram of the wiring structure of a JDG pipe connection structure and the JDG pipe body;

[0023] Figure 2 It is a schematic diagram of the anti-leakage structure of a JDG pipe connection structure;

[0024] Figure 3 It is a schematic diagram of the support base of a JDG pipe connection structure and the JDG pipe body.

[0025] Reference Signs: 1, wiring structure; 101, junction box; 102, cross earthing wire; 103, earthing wire clamp; 104, locking screw; 105, earth wire screw; 106, lock nut; 2, JDG pipe body; 3, docking structure; 301, sleeve structure; 302, top screw; 303, thread groove; 304, support base; 305, pulley; 306, arc support; 4, anti-leakage structure; 401, coupling pipe; 402, gasket; 403, pressing component; 404, sealing structure; 405, coupling component; 406, pressing block; 407, annular pressing plate; 408, tightening ring; 409, locking rod; 410, clamping groove; 411, first arc clamping plate; 412, second arc clamping plate; 413, pressing part; 414, cylindrical sleeve; 415, funnel-shaped plate body; 416, channel; 417, shallow groove; 418, limit protrusion. Detailed Embodiment

[0026] The following further describes the present invention in detail with reference to the drawings.

[0027] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described in detail below with reference to the drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0028] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below.

[0029] The following refers toFigures 1 to 3 to describe those provided according to some embodiments of the present utility model.

[0030] As Figures 1 to 3 shown, the first embodiment of the present utility model proposes a JDG pipe connection structure, including:

[0031] A wiring structure 1, the wiring structure 1 can wire the JDG pipe body 2, including a wiring box 101 and a cross grounding wire 102. The structures on both sides of the wiring box 101 can connect the JDG pipe body 2, and the structures at both ends of the cross grounding wire 102 are arranged on the JDG pipe body 2;

[0032] A docking structure 3, the docking structure 3 can directly connect to the JDG pipe body 2, including a sleeve structure 301 and multiple groups of tightening screws 302. The structures at both ends of the sleeve structure 301 can be connected to the JDG pipe body 2, and the tightening screws 302 are at least arranged on both sides of the top of the sleeve structure to fix the JDG pipe body 2;

[0033] A leak-proof structure 4, the leak-proof structure 4 is arranged in the sleeve structure 301, including a coupling pipe 401, a sealing gasket 402, a pressing component 403 and a sealing structure 404. Both ends of the coupling pipe 401 are connected to the sleeve structure 301. The sealing gasket 402 and the sealing structure 404 are arranged in the coupling pipe 401. By screwing the tightening screws 302, the pressing component 403 tightens the sealing structure 404.

[0034] In this embodiment, it includes a wiring structure 1, a JDG pipe body 2, a docking structure 3, and a leakage prevention structure 4. On both sides of the junction box 101, there are a plurality of lock nuts and fixing parts to fix the JDG pipe body 2 and provide a good protection effect for the wire structure inside it, avoiding damage to the structure during the connection and fixing process, thus causing safety accidents. Both ends of the cross earthing wire 102 are respectively connected to the JDG pipe bodies 2 on both sides of the junction box 101. An earthing coupling part is provided on the JDG pipe body 2, and the coupling part can fix the cross earthing wire 102. An anti-corrosion coating is provided on the coupling part, which can improve the service life of the structure. A metal part is provided on the top of the junction box 101 to connect with the cross earthing wire 102. On the outer structure of the sleeve structure 301, there are a plurality of threaded groove rods. The threaded groove rods have a certain height for the tightening screw 302 to enter and couple. A ring structure is provided at the opening of the threaded groove rod, and the ring structure can support the tightening screw 302 and will not affect its screwing. The coupling pipe 401 can be connected to the sleeve structure 301. A connection structure is provided on the coupling pipe 401 to fix and seal the sleeve structure 301. The connection structure includes a sleeve structure sleeved on the coupling pipe 401 and a pipe body structure that can clamp the sleeve structure. The sleeve structure and the pipe body structure are integrally formed and are fixedly connected through airtight connection. A sealing ring is provided on the inner ring structure of the connection structure to seal the overall structure after coupling. A locking structure is provided on the connection structure. One end structure of the locking structure is open. A locking rod and a locking hole are provided on the structure at the opening. The locking rod locks and fixes the locking structure through the locking hole. The pressing assembly 403 includes a pressing block and a pressing member that can contact the tightening screw 302. The number of pressing blocks is adapted to the tightening screw 302. The pressing blocks are arranged on the outer side of the coupling pipe 401, and the pressing member is arranged inside the coupling pipe 401 and connected to the sealing structure 404. The sealing structure 404 is arranged between the coupling pipe 401 and the JDG pipe body 2. The sealing structure 404 includes a baffle structure and a pressing structure. The center of the baffle structure allows the JDG pipe body 2 to pass through. A sealing gasket 402 is provided at the coupling part for sealing. The baffle structure can seal the structure at the gap between the sealing structure 404 and the coupling pipe 401. The pressing structure is coupled with the pressing member. After the tightening screw 302 is screwed into the coupling pipe 401, the pressing member will apply an external force to the pressing structure, thereby pressing and sealing the pressing structure and the JDG pipe body 2, thus improving the sealing performance of the overall structure.

[0035] It can be seen that the structure of the present utility model is relatively simple, with good practicability and safety, good sealing performance at the pipe body connection, good leakage prevention effect, strong protection ability for the JDG pipe body 2, and high installation efficiency.

[0036] The second embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, such as Figure 2As shown, the pressing component 403 includes a coupling piece 405, a pressing block 406 and an annular pressing plate 407. The coupling piece 405 is arranged on the coupling pipe 401. At least part of the structure of the coupling piece 405 can clamp the sleeve structure 301. A tightening ring 408 and a locking rod 409 are arranged on the coupling piece 405 to tighten and fix the sleeve structure 301 and the coupling pipe 401.

[0037] In this embodiment, the coupling piece 405 is sleeved on the coupling pipe 401 to clamp and fix the sleeve structure 301. The coupling piece 405 is a pipe structure including straight pipe structures arranged on both sides and an arc pipe structure arranged in the middle. The straight pipe structures can fix the coupling pipe 401 and the sleeve structure 301. Grooves are arranged on the straight pipe structures. The tightening ring 408 is arranged in the grooves. The tightening ring 408 is provided with an opening for sleeving on the straight pipe structures. Extension piece structures and coupling holes are arranged on the structures on both sides of the opening. The number of coupling holes is multiple groups and is arranged on the extension piece structures. It can be locked and fixed by a threaded rod or a locking rod to tighten and seal the coupling pipe 401 and the sleeve structure 301. Among them, a sealing structure is also arranged on the inner ring structure of the straight pipe structure to improve the sealing performance of the overall structure.

[0038] The third embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, as Figure 2 shown, at least two groups of the pressing blocks 406 are arranged on the outer side of the coupling pipe 401, and the arrangement positions are adapted to the positions of the pressing screws 302. The annular pressing plate 407 is arranged between the coupling pipe 401 and the sealing structure 404. A clamping groove 410 is arranged on the sealing structure 404 to be clamped with the annular pressing plate 407.

[0039] In this embodiment, the number of the pressing blocks 406 is adapted to the number of the pressing screws 302, and the number can be selected according to the size of the JDG pipe body 2, so as to improve the sealing effect of the overall structure. The top structure of the pressing block 406 is an arc structure. At least part of the arc structure can be in contact and coupled with the sleeve structure 301 so that when the pressing screw 302 is screwed downwards, it can be in contact with the arc structure and apply an external force to it, so that the pressing block 406 presses against the annular pressing plate 407, thereby pressing and fixing the sealing structure 404. The clamping groove 410 can clamp part of the structure of the annular pressing plate 407 and limit its movement, preventing the annular pressing plate 407 from shifting and affecting the pressing effect on the sealing structure 404.

[0040] The fourth embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, as Figure 2As shown, the annular pressing plate 407 includes a first arc clamping plate 411, a second arc clamping plate 412, and a pressing member 413 provided on both of them. The position of the pressing member 413 is adapted to the position of the pressing block 406. By screwing the tightening screw 302, the annular pressing plate 407 can be pushed to tightly press the sealing structure 404.

[0041] In this embodiment, the shape of the annular pressing plate 407 is adapted to the shape of the sealing structure 404. Rubber structures are provided on the structures of the first arc clamping plate 411 and the second arc clamping plate 412 that contact the sealing structure 404 for flexible clamping, so as to avoid damaging the sealing structure 404 during the clamping and pressing process, thereby affecting the sealing effect. One side structure of the pressing member 413 is connected to the coupling pipe 401 where the pressing block 406 is located, and the other side structure is an arc structure to contact the annular pressing plate 407. By screwing the tightening screw 302, a part of its own structure moves into the coupling pipe 401 to apply an inward external force to the annular pressing plate 407 to tightly press and seal the sealing structure 404 and the JDG pipe body 2.

[0042] The fifth embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, as Figure 2 shown, the sealing structure 404 includes a cylindrical sleeve 414 and funnel-shaped plates 415 provided on both sides thereof. The side structure of the funnel-shaped plate 415 is connected to the coupling pipe 401, and a channel 416 is provided on the funnel-shaped plate 415 for the JDG pipe body 2 to pass through.

[0043] In this embodiment, the cylindrical sleeve 414 and the funnel-shaped plate 415 are integrally formed structures or are fixed by detachable connection by welding. The detachable connection is a threaded connection or a snap connection. The size of the cylindrical sleeve 414 is slightly larger than the size of the JDG pipe body 2 so that it can just be sleeved on the JDG pipe body 2. The structure on the large opening side of the funnel-shaped plate 415 and the coupling pipe 401 are integrally formed structures or are fixed by means such as snap connection and welding. The structure on the small opening side is arranged at a certain distance from the coupling pipe 401, and the distance of the interval is for the placement of the tightening assembly 403 so that the tightening screw 302 can push and press it.

[0044] The sixth embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, as Figure 2 shown, a shallow groove 417 and a limiting protrusion 418 are further provided on the inner ring structure of the cylindrical sleeve 414. The shallow groove 417 can clamp the sealing gasket 402, and the limiting protrusions 418 are provided on both sides of the shallow groove 417 to limit the movement of the sealing gasket 402.

[0045] In this embodiment, the shallow groove 417 can clamp the gasket 402, and the gasket 402 can seal the cylindrical sleeve 414 and the JDG pipe body 2. A plurality of pressing structures are provided on the shallow groove 417 to press the gasket 402 to improve the sealing effect on the JDG pipe body 2. The convex structures 418 are arranged on both sides of the opening of the cylindrical sleeve 414. On the one hand, the convex structures 418 can clamp the gasket 402 and limit its movement to prevent the gasket 402 from slipping off the shallow groove 417, thereby affecting the sealing performance of the JDG pipe body 2. On the other hand, the convex structures 418 can seal the coupling part of the cylindrical sleeve 414 and the JDG pipe body 2.

[0046] The seventh embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, as Figure 2 shown, the number of the gaskets 402 is multiple groups. At least part of the structure is arranged in the shallow groove 417, and the rest of the structure is arranged between the coupling pipe 401 and the JDG pipe body 2. A plurality of threaded grooves 303 are provided on the outer side structure of the sleeve structure 301 for the tightening screws 302 to enter and couple.

[0047] In this embodiment, the gasket 402 can improve the sealing performance of the overall structure and better achieve the anti-leakage effect. The size and shape of the shallow groove 417 are adapted to the gasket 402. A plurality of clamping members are provided on the side structure of the shallow groove 417, and grooves are provided on the side structure of the gasket 402. The plurality of clamping members can be clamped with the grooves to improve the coupling strength between the gasket 402 and the shallow groove 417. At least part of the structure of the threaded groove 303 is located outside the sleeve structure 301, and the rest of the structure is arranged inside the sleeve structure 301. A support ring is provided at the top opening of the threaded groove 303. The support ring is provided with holes for the tightening screws 302 to pass through, and the support ring can improve the stability of the tightening screws 302 being screwed in.

[0048] The eighth embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, as Figure 1 shown, the wiring structure 1 is provided with a grounding wire clamp 103. The grounding wire clamp 103 is sleeved on the JDG pipe bodies 2 at both ends of the junction box 101 to be connected with the grounding wire clamp 103. The grounding wire clamp 103 is provided with a locking screw 104 to fix the cross grounding wire 102.

[0049] In this embodiment, the grounding wire clamp 103 is provided with an anti-rust coating. A through hole is provided on the side structure of the grounding wire clamp 103, and the through hole can be fixed by a threaded rod to improve the coupling strength between the JDG pipe body 2 and the grounding wire clamp 103. The locking screw 104 can be screwed to fix the cross grounding wire 102. The grounding wire clamp 103 is provided with a coupling piece, and the coupling piece can increase the contact area with the ground, thereby improving the protection effect on the junction box 101.

[0050] The ninth embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, as Figure 1 shown, the junction box 101 is provided with a ground wire screw 105 and a locknut 106. The ground wire screw 105 can fix the cross ground wire 102, and the locknut 106 can be connected to the JDG pipe body 2.

[0051] In this embodiment, the ground wire screw 105 is arranged at the top position of the junction box 1. The ground wire screw 105 is provided with a gasket structure, and the cross ground wire 102 is provided with a disc structure. The ground wire screw 105 can fix and lock the disc structure through the gasket structure to form an electrical connection between the junction box 101 and the ground, so as to reduce static electricity accumulation and protect the safety of equipment and users. The locknut 106 is arranged on both sides of the junction box 101 to fix the JDG pipe body 2 and protect the wire structure inside the pipe, avoiding damage to the wire insulation by the structure at the interface and causing circuit hidden dangers.

[0052] The tenth embodiment of the present utility model proposes a JDG pipe connection structure, and on the basis of any of the above embodiments, as Figure 3 shown, the docking structure 3 is further provided with a support base 304. The bottom of the support base 304 is provided with a pulley 305, and the top is provided with an arc-shaped support member 306 to support the JDG pipe body 2.

[0053] In this embodiment, a telescopic structure is arranged between the support base 304 and the arc-shaped support member 306. The telescopic structure is a telescopic rod or a telescopic frame, and can be telescoped to adjust the position of the arc-shaped support frame 306 so as to support the JDG pipe 2. The number of support bases 304 is multiple groups to match the length of the JDG pipe body 2, so as to improve the stability of its support and facilitate installation. The arc-shaped support member 306 includes two groups of arc-shaped support plates and a rotating structure arranged between them. The rotating structure is a rotating shaft, and the opening and closing angle of the arc-shaped support member 306 can be adjusted by rotation to support JDG pipe bodies 2 of different sizes.

[0054] In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. The specific embodiments are only explanations of the present utility model, and they are not limitations to the present utility model. Those skilled in the art can make modifications without creative contributions to the present embodiment according to needs after reading this specification, but as long as they are within the scope of the claims of the present utility model, they are protected by the patent law.

Claims

1. A JDG pipe connection structure, characterized in that: include: A wiring structure (1), the wiring structure (1) can be used to connect a JDG tube body (2), comprising a wiring box (101) and a jumper ground wire (102), structures on both sides of the wiring box (101) can be used to connect the JDG tube body (2), and structures at both ends of the jumper ground wire (102) are arranged on the JDG tube body (2); A docking structure (3), the docking structure (3) can be directly connected to the JDG tube body (2), comprising a sleeve structure (301) and a plurality of sets of tightening screws (302), the sleeve structure (301) having two end structures that can be connected to the JDG tube body (2), and the tightening screws (302) are at least arranged on two sides of the top of the sleeve structure (301) to fix the JDG tube body (2); The anti-leakage structure (4) is arranged in the sleeve structure (301), comprising a coupling tube (401), a sealing gasket (402), a tightening assembly (403) and a sealing structure (404); both ends of the coupling tube (401) are connected to the sleeve structure (301); the sealing gasket (402) and the sealing structure (404) are arranged in the coupling tube (401); the tightening screw (302) is turned to allow the tightening assembly (403) to tighten the sealing structure (404).

2. A JDG pipe connection structure according to claim 1, characterized in that: The tightening assembly (403) comprises a coupling member (405), a pressing block (406) and an annular pressing plate (407); the coupling member (405) is arranged on the coupling tube (401); at least a part of the structure of the coupling member (405) can be clamped on the sleeve structure (301); and the coupling member (405) is provided with a tightening ring (408) and a locking rod (409) for tightening and fixing the sleeve structure (301) and the coupling tube (401).

3. A JDG pipe connection structure according to claim 2, characterized in that: At least two groups of the pressing blocks (406) are arranged outside the coupling tube (401) and their positions are adapted to the positions of the tightening screws (302). The annular pressing plate (407) is arranged between the coupling tube (401) and the sealing structure (404). The sealing structure (404) is provided with a slot (410) for clamping with the annular pressing plate (407).

4. A JDG pipe connection structure according to claim 3, characterized in that: The annular pressure plate (407) comprises a first arc-shaped clamping plate (411), a second arc-shaped clamping plate (412) and a tightening member (413) provided on the first and second arc-shaped clamping plates. The position of the tightening member (413) matches the position of the pressing block (406). The tightening screw (302) can push the annular pressure plate (407) by turning it, thereby tightening the sealing structure (404).

5. A JDG pipe connection structure according to claim 4, characterized in that: The sealing structure (404) comprises a cylindrical sleeve (414) and a funnel-shaped plate body (415) arranged on both sides thereof, the side structure of the funnel-shaped plate body (415) being connected to the coupling tube (401), and a channel (416) being arranged on the funnel-shaped plate body (415) for the JDG tube body (2) to pass through.

6. A JDG pipe connection structure according to claim 5, characterized in that: A shallow groove (417) and a limiting protrusion (418) are also provided on the inner ring structure of the cylindrical sleeve (414); the shallow groove (417) can be used to clamp the sealing gasket (402); and the limiting protrusion (418) is provided on both sides of the shallow groove (417) to limit the movement of the sealing gasket (402).

7. A JDG pipe connection structure according to claim 1, characterized in that: The sealing gaskets (402) are provided in multiple groups, at least part of which is arranged in the shallow groove (417), and the rest of which is arranged between the coupling tube (401) and the JDG tube body (2). The outer structure of the sleeve structure (301) is provided with multiple thread grooves (303) for the tightening screws (302) to enter the coupling.

8. A JDG pipe connection structure according to claim 1, characterized in that: The wiring structure (1) is provided with a grounding wire clamp (103), the grounding wire clamp (103) being sleeved on the JDG tube body (2) at both ends of the wiring box (101) to be connected to the grounding wire clamp (103), and the grounding wire clamp (103) is provided with a locking screw (104) to fix the jumper ground wire (102).

9. A JDG pipe connection structure according to claim 1, characterized in that: The junction box (101) is provided with a ground screw (105) and a lock nut (106); the ground screw (105) can fix the jumper ground wire (102); and the lock nut (106) can be connected to the JDG pipe body (2).

10. A JDG pipe connection structure according to claim 1, characterized in that: The docking structure (3) is further provided with a support base (304), the support base (304) having a pulley (305) at the bottom and an arc-shaped support member (306) at the top to support the JDG pipe body (2).

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