Anti-electromagnetic interference cable protection tube with multi-layer shielding structure

Abstract

The utility model discloses an anti-electromagnetic interference cable protection tube with a multilayer shielding structure, which comprises a first tube body, the inner wall of the first tube body is fixedly connected with a polyethylene layer, and the inner wall of the polyethylene layer is fixedly connected with an aluminum foil layer; according to the anti-electromagnetic interference cable protection pipe with the multi-layer shielding structure, through cooperative use of the splicing mechanism, in the use process of the protection pipe, a transverse block on the outer wall of a first pipe body is inserted into a second fixing block, then a rotating handle is rotated, a threaded rod is driven to rotate, and therefore the anti-electromagnetic interference cable protection pipe is formed. Then through mutual meshing of a threaded rod and a threaded hole in a supporting plate, the height of a connecting plate is driven to be reduced, a locking block is inserted into a transverse block, splicing work of a first pipe body and a second pipe body is achieved, splicing installation of the protection pipe is facilitated according to the length of a cable, the adaptability to the cable is improved, and the service life of the cable is prolonged. And meanwhile, the protection pipe can be conveniently transported, so that the practicability of the protection pipe is improved to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field related to protection tubes, in particular to an electromagnetic interference-resistant cable protection tube with a multi-layer shielding structure. Background Art

[0002] Cable protection tube is a pipe device used to protect cables. It is widely used in many fields such as electricity and communications. The primary function of cable protection tube is to protect cables from damage by external factors, preventing cables from being affected by direct sunlight, wind and rain erosion, and human factors (such as accidental trampling, vehicle running over, etc.).

[0003] Existing cable protection tubes are generally one-piece or long straight tubes, which increases the difficulty during transportation and increases the difficulty of subsequent cable inspection and maintenance, reducing practicality. Therefore, it is necessary to propose an electromagnetic interference-resistant cable protection tube with a multi-layer shielding structure. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-electromagnetic interference cable protection tube with a multi-layer shielding structure to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: an electromagnetic interference-resistant cable protection tube with a multi-layer shielding structure, comprising a first tube body, a polyethylene layer fixedly connected to the inner wall of the first tube body, an aluminum foil layer fixedly connected to the inner wall of the polyethylene layer, an aluminum-plastic composite tape fixedly connected to the outer wall of the first tube body, a second tube body movably connected to one end of the first tube body, a splicing mechanism fixedly connected to the outer wall of the first tube body, and a sealing mechanism movably connected to the interior of the first tube body;

[0006] The splicing mechanism includes a first fixed block, a transverse block, a second fixed block, a vertical rod, a support plate, a rotating handle, a threaded rod, a connecting plate and a locking block. The outer wall of the first tube body is fixedly connected to the first fixed block, one side of the first fixed block is fixedly connected to the transverse block, the outer wall of the second tube body is fixedly connected to the second fixed block, the upper part of the second fixed block is fixedly connected to the vertical rod, the upper end of the vertical rod is fixedly connected to the support plate, the upper part of the support plate is movably connected to the rotating handle, the lower part of the rotating handle is fixedly connected to the threaded rod, the lower end of the threaded rod is movably connected to the connecting plate, and the lower part of the connecting plate is fixedly connected to the locking block.

[0007] Preferably, the transverse block passes through the interior of the second fixed block and extends to both sides of the second fixed block, and the transverse block is movably connected to the second fixed block.

[0008] Preferably, a threaded hole is provided inside the support plate, and the shape and size of the threaded hole match the shape and size of the threaded rod.

[0009] Preferably, a bearing is fixedly connected to the interior of the connecting plate, and the connecting plate is movably connected to the threaded rod via the bearing.

[0010] Preferably, the sealing mechanism includes a slot, an insert ring and a sealing ring. A slot is provided at one end of the first tube body, an insert ring is fixedly connected to one end of the second tube body, and a sealing ring is fixedly connected to the outer wall of the first tube body.

[0011] Preferably, the shape and size of the slot match those of the insert ring, and the first tube body is movably connected to the second tube body via the slot and the insert ring.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This electromagnetic interference-resistant cable protection tube with a multi-layer shielding structure is used in conjunction with a splicing mechanism. During use of the protection tube, the horizontal block on the outer wall of the first tube body is inserted into the interior of the second fixing block, and then the handle is rotated to drive the rotation of the threaded rod. Then, the threaded rod and the threaded hole inside the support plate are engaged with each other, driving the height of the connecting plate to drop, and the locking block is inserted into the interior of the horizontal block, so as to achieve the splicing of the first tube body and the second tube body. This facilitates the splicing and installation of the protection tube according to the length of the cable, improves the adaptability to the cable, and facilitates the transportation of the protection tube, thereby improving the practicality of the protection tube to a certain extent.

[0014] 2. This electromagnetic interference-resistant cable protection tube with a multi-layer shielding structure, through the setting of a sealing mechanism, during the use of the protection tube, the plug ring at one end of the second tube body is inserted into the slot at one end of the first tube body, thereby driving the docking of the first tube body and the second tube body, and at the same time driving the sealing ring to wrap and seal the connection position between the first tube body and the second tube body, thereby improving the sealing of the splicing between the protection tubes and the effect of cable protection, thereby improving the applicability of the protection tube to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall split structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the splicing mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the sealing mechanism structure of the utility model.

[0019] In the figure: 1. first tube body; 2. polyethylene layer; 3. aluminum foil layer; 4. aluminum-plastic composite tape; 5. second tube body; 6. splicing mechanism; 601. first fixing block; 602. cross block; 603. second fixing block; 604. vertical pole; 605. support plate; 606. turning handle; 607. threaded rod; 608. connecting plate; 609. locking block; 7. sealing mechanism; 701. slot; 702. insert ring; 703. sealing ring. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides a technical solution: an anti-electromagnetic interference cable protection tube with a multi-layer shielding structure, comprising a first tube body 1, a polyethylene layer 2 fixedly connected to the inner wall of the first tube body 1, an aluminum foil layer 3 fixedly connected to the inner wall of the polyethylene layer 2, an aluminum-plastic composite tape 4 fixedly connected to the outer wall of the first tube body 1, a second tube body 5 movably connected to one end of the first tube body 1, a splicing mechanism 6 fixedly connected to the outer wall of the first tube body 1, and a sealing mechanism 7 movably connected to the interior of the first tube body 1;

[0022] The splicing mechanism 6 includes a first fixed block 601, a transverse block 602, a second fixed block 603, a vertical rod 604, a support plate 605, a rotating handle 606, a threaded rod 607, a connecting plate 608 and a locking block 609. The outer wall of the first tube body 1 is fixedly connected to the first fixed block 601, and one side of the first fixed block 601 is fixedly connected to the transverse block 602. The transverse block 602 passes through the interior of the second fixed block 603 and extends to both sides of the second fixed block 603. The transverse block 602 is movably connected to the second fixed block 603, which facilitates the rapid docking between the first tube body 1 and the second tube body 5, thereby improving the splicing efficiency between the first tube body 1 and the second tube body 5. The outer wall of the second tube body 5 is fixedly connected to the second fixed block 603, and the upper part of the second fixed block 603 is fixedly connected to the vertical rod 604. 4 is fixedly connected to a support plate 605 at the upper end, and a threaded hole is provided inside the support plate 605. The shape and size of the threaded hole match the shape and size of the threaded rod 607, which is convenient for driving the height adjustment of the connecting plate 608 and the locking block 609, and at the same time is convenient for locking the cross block 602. A turning handle 606 is movably connected to the upper part of the support plate 605, and a threaded rod 607 is fixedly connected to the lower part of the turning handle 606. The lower end of the threaded rod 607 is movably connected to the connecting plate 608, and a bearing is fixedly connected to the interior of the connecting plate 608. The connecting plate 608 is movably connected to the threaded rod 607 through the bearing, so as to prevent the connecting plate 608 from rotating with the rotation of the threaded rod 607, thereby improving the stability of the height adjustment of the locking block 609, and a locking block 609 is fixedly connected to the lower part of the connecting plate 608.

[0023] See also Figure 1-4 The sealing mechanism 7 includes a slot 701, an insert ring 702 and a sealing ring 703. A slot 701 is opened at one end of the first tube body 1. The shape and size of the slot 701 match the shape and size of the insert ring 702. The first tube body 1 is movably connected to the second tube body 5 through the slot 701 and the insert ring 702, thereby improving the tightness of the docking and connection between the first tube body 1 and the second tube body 5, and at the same time improving the sealing of the splicing of the two. One end of the second tube body 5 is fixedly connected to the insert ring 702, and the outer wall of the first tube body 1 is fixedly connected to the sealing ring 703.

[0024] Working principle: When using the anti-electromagnetic interference cable protection tube with a multi-layer shielding structure, first align the horizontal block 602 on the outer wall of the first tube body 1 with the groove inside the second fixed block 603 and insert it into the interior of the second fixed block 603, and at the same time drive the insert ring 702 at one end of the second tube body 5 to insert into the slot 701 at one end of the first tube body 1, so as to achieve the docking of the first tube body 1 and the second tube body 5, and at the same time drive the sealing ring 703 to wrap and seal the connection position between the first tube body 1 and the second tube body 5, then rotate the handle 606 to drive the rotation of the threaded rod 607, and then the threaded rod 607 is engaged with the threaded hole inside the support plate 605, driving the height of the connecting plate 608 to drop, and causing the locking block 609 to be inserted into the interior of the horizontal block 602, so as to achieve the docking of the first tube body 1 and the second tube body 5. The splicing of the first tube body 1 and the second tube body 5 facilitates the splicing and installation of the protective tube according to the length of the cable. At the same time, in the process of protecting the cable, the polyethylene layer 2 arranged on the inner wall of the first tube body 1 and the second tube body 5 prevents electrical short circuit between the aluminum foil layer 3 and the aluminum-plastic composite tape 4, and also provides a certain mechanical support. At the same time, through the setting of the aluminum foil layer 3, it can be tightly wrapped around the inner surface of the first tube body 1 and the second tube body 5 to provide preliminary electromagnetic shielding, and in conjunction with the aluminum-plastic composite tape 4 arranged on the outer wall of the first tube body 1 and the second tube body 5, the shielding ability against electromagnetic interference is further enhanced, especially for electromagnetic interference from the external environment. In this way, the use process of the anti-electromagnetic interference cable protection tube with a multi-layer shielding structure is completed.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-electromagnetic interference cable protection tube with a multi-layer shielding structure, comprising a first tube body (1), characterized in that: The inner wall of the first tube body (1) is fixedly connected to a polyethylene layer (2), the inner wall of the polyethylene layer (2) is fixedly connected to an aluminum foil layer (3), the outer wall of the first tube body (1) is fixedly connected to an aluminum-plastic composite tape (4), one end of the first tube body (1) is movably connected to a second tube body (5), the outer wall of the first tube body (1) is fixedly connected to a splicing mechanism (6), and the interior of the first tube body (1) is movably connected to a sealing mechanism (7); The splicing mechanism (6) comprises a first fixing block (601), a transverse block (602), a second fixing block (603), a vertical rod (604), a support plate (605), a rotating handle (606), a threaded rod (607), a connecting plate (608) and a locking block (609); the outer wall of the first tube body (1) is fixedly connected to the first fixing block (601); one side of the first fixing block (601) is fixedly connected to the transverse block (602); the outer wall of the second tube body (5) is fixedly connected to the second fixing block (603); A fixed block (603), the upper part of the second fixed block (603) is fixedly connected to a vertical rod (604), the upper end of the vertical rod (604) is fixedly connected to a support plate (605), the upper part of the support plate (605) is movably connected to a rotating handle (606), the lower part of the rotating handle (606) is fixedly connected to a threaded rod (607), the lower end of the threaded rod (607) is movably connected to a connecting plate (608), and the lower part of the connecting plate (608) is fixedly connected to a locking block (609).

2. The electromagnetic interference resistant cable protection tube with a multi-layer shielding structure according to claim 1, characterized in that: The transverse block (602) passes through the interior of the second fixed block (603) and extends to both sides of the second fixed block (603). The transverse block (602) is movably connected to the second fixed block (603).

3. The anti-electromagnetic interference cable protection tube with a multi-layer shielding structure according to claim 1, characterized in that: A threaded hole is provided inside the support plate (605), and the shape and size of the threaded hole match the shape and size of the threaded rod (607).

4. The electromagnetic interference resistant cable protection tube with a multi-layer shielding structure according to claim 1, characterized in that: A bearing is fixedly connected to the interior of the connecting plate (608), and the connecting plate (608) is movably connected to the threaded rod (607) via the bearing.

5. The electromagnetic interference resistant cable protection tube with a multi-layer shielding structure according to claim 1, characterized in that: The sealing mechanism (7) comprises a slot (701), an insert ring (702) and a sealing ring (703); one end of the first tube (1) is provided with a slot (701); one end of the second tube (5) is fixedly connected to the insert ring (702); and the outer wall of the first tube (1) is fixedly connected to the sealing ring (703).

6. The electromagnetic interference resistant cable protection tube with a multi-layer shielding structure according to claim 5, characterized in that: The shape and size of the slot (701) match those of the insert ring (702), and the first tube body (1) is movably connected to the second tube body (5) via the slot (701) and the insert ring (702).

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