Fireproof casing pipe lined with aluminum foil

Abstract

The utility model discloses a fireproof casing pipe with a lining aluminum foil, which comprises a casing pipe main body, two ends of the casing pipe main body are respectively provided with a first connecting piece and a second connecting piece, the first connecting piece corresponds to the second connecting piece, the second connecting piece comprises a fixed ring, a rotating ring, a buckle and a limiting mechanism, the fixed ring is fixedly arranged at one end of the casing pipe main body, and the rotating ring is fixedly arranged at the other end of the casing pipe main body. The rotating ring is arranged on one side of the fixed ring, the four buckles are fixedly installed on one side of the rotating ring, the limiting mechanism is arranged on one side of the rotating ring, and the first connecting piece comprises a clamping ring, a rotating groove and a clamping groove. Through the arrangement of the first connecting piece and the second connecting piece, a worker can conveniently and quickly connect the two sleeve main bodies and lengthen the sleeve main bodies, and meanwhile, the worker can conveniently and quickly disassemble the two sleeve main bodies and replace the damaged sleeve main bodies, so that the labor intensity of the worker is reduced, and the working efficiency is improved. Therefore, the applicability and the convenience of the sleeve main body in use are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof sleeves, in particular to a fireproof sleeve lined with aluminum foil. Background Art

[0002] At present, cables are generally buried underground. In order to protect wires and cables, protective casings and fireproof fiber casings are needed. Fireproof fiber casings are made of glass fiber reinforced braids and are suitable for continuous high-temperature operations. Its insulation ability and low price make it the most economical choice for protecting hoses and cables. Glass fireproof fiber casings are divided into the following types according to the process: single-layer glass fiber tube, glass fiber tube with outer rubber and inner fiber, and glass fiber tube with inner rubber and outer fiber. The voltage resistance levels are: 1.2kv, 1.5kv, 4kv, 7kv, etc.

[0003] However, when the existing fireproof casing needs to be lengthened, it cannot be lengthened because there is no connection structure between the casings, which has certain limitations. At the same time, the casing is an integral whole. When the casing fails, when the failure cannot be repaired, it may even need to be replaced as a whole, which increases the maintenance cost. Therefore, it is urgent to design a fireproof casing lined with aluminum foil to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a fireproof casing lined with aluminum foil to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A fireproof sleeve lined with aluminum foil, comprising a sleeve body, a first connecting piece and a second connecting piece are respectively arranged at both ends of the sleeve body, the first connecting piece corresponds to the second connecting piece, the second connecting piece comprises a fixed ring, a rotating ring, a buckle and a limiting mechanism, the fixed ring is fixedly installed at one end of the sleeve body, the rotating ring is arranged on one side of the fixed ring, the number of the buckles is four, and the four buckles are respectively fixedly installed on one side of the rotating ring, the limiting mechanism is arranged on one side of the rotating ring, the first connecting piece comprises a clamping ring, a rotating groove and a clamping groove, the clamping ring is fixedly installed at one end of the sleeve body, the rotating groove is opened on one side of the clamping ring, the number of the clamping groove is four, and the four clamping grooves are respectively opened on the peripheral side of the bottom of the inner wall of the rotating groove, and the four buckles correspond to the four clamping grooves.

[0007] The limiting mechanism includes a mounting groove, a spring, a column and a lever, the mounting groove is opened on one side of the rotating ring, the column is slidably installed in the mounting groove, the spring is arranged between the column and the mounting groove, the lever is fixedly installed on one side of the column, an L-shaped groove is opened on one side of the mounting groove, the lever is slidably installed in the L-shaped groove, and a slot is opened on one side of the clamping ring, and the slot corresponds to the column.

[0008] A limiting groove is arranged on one side of the fixed ring, a limiting ring is fixedly installed on one side of the rotating ring, and the limiting ring is rotatably installed in the limiting groove.

[0009] A plurality of protective strips are fixedly installed on the peripheral side of the sleeve body, and the protective strips are made of rubber material.

[0010] The sleeve body includes an outer protective layer, an insulating layer, a tensile layer, a metal mesh layer and an aluminum foil lining layer, the metal mesh layer is arranged on the peripheral side of the aluminum foil lining layer, the tensile layer is arranged on the peripheral side of the metal mesh layer, the insulating layer is arranged on the peripheral side of the tensile layer, and the outer protective layer is arranged on the peripheral side of the insulating layer.

[0011] The tensile layer is made of carbon fiber cloth, the outer protective layer is made of silicone rubber, and the insulating layer is made of ceramic fiber.

[0012] In the above technical solution, the utility model provides a fireproof casing lined with aluminum foil, which has the following beneficial effects:

[0013] (1) By providing the first connecting member and the second connecting member, it is convenient for the staff to quickly connect the two casing bodies and lengthen the casing bodies. At the same time, it is convenient for the staff to quickly disassemble the two casing bodies and replace the damaged casing bodies, thereby greatly improving the applicability and convenience of the casing bodies when used.

[0014] (2) By providing a rotating ring, a buckle, a rotating groove and a clamping groove, the two sleeve bodies are connected by inserting the buckle into the rotating groove and rotating the rotating ring to drive the buckle into the clamping groove, thereby facilitating the staff to quickly connect or disassemble the two sleeve bodies.

[0015] (3) By setting a limiting mechanism, after the two sleeve bodies are connected, the rotating ring can be limited by the limiting mechanism so that the rotating ring cannot rotate, thereby improving the stability of the two sleeve bodies after being connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 A schematic diagram of the structure of a second connecting piece provided for an embodiment of a fireproof sleeve lined with aluminum foil according to the utility model.

[0018] Figure 2 A schematic diagram of the structure of a first connecting piece provided for an embodiment of a fireproof sleeve lined with aluminum foil according to the utility model.

[0019] Figure 3 A schematic diagram of the cross-sectional structure of a second connecting piece provided for an embodiment of a fireproof sleeve lined with aluminum foil of the utility model.

[0020] Figure 4 A schematic diagram of the main structure of a fireproof sleeve lined with aluminum foil according to an embodiment of the utility model.

[0021] 1. Casing body; 2. First connecting piece; 3. Second connecting piece; 4. Fixed ring; 5. Rotating ring; 6. Buckle; 7. Limiting mechanism; 9. Protective strip; 10. Snap ring; 11. Rotating groove; 12. Snap groove; 13. Slot; 15. Limiting ring; 16. Limiting groove; 17. Mounting groove; 18. Spring; 19. Plug column; 20. Push rod; 21. Outer protective layer; 22. Insulating layer; 23. Tensile layer; 24. Metal mesh layer; 25. Aluminum foil lining layer. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] like Figure 1-4As shown, a fireproof sleeve lined with aluminum foil provided by an embodiment of the utility model comprises a sleeve body 1, a first connecting member 2 and a second connecting member 3 are respectively arranged at both ends of the sleeve body 1, the first connecting member 2 corresponds to the second connecting member 3, the second connecting member 3 comprises a fixed ring 4, a rotating ring 5, a buckle 6 and a limiting mechanism 7, the fixed ring 4 is fixedly installed at one end of the sleeve body 1, the rotating ring 5 is arranged on one side of the fixed ring 4, the number of the buckles 6 is four, the four buckles 6 are respectively fixedly installed on one side of the rotating ring 5, the limiting mechanism 7 is arranged on one side of the rotating ring 5, the first connecting member 2 comprises a clamping ring 10, a rotating groove 11 and a clamping groove 12, the clamping ring 10 is fixedly installed at one end of the sleeve body 1, the rotating groove 11 is opened on one side of the clamping ring 10, and the clamping groove 12 There are four of them. Four snap-fit ​​grooves 12 are respectively arranged on the circumferential sides of the bottom inner wall of the rotating groove 11. The four buckles 6 correspond to the four snap-fit ​​grooves 12. The limiting mechanism 7 includes a mounting groove 17, a spring 18, a plug post 19 and a lever 20. The mounting groove 17 is arranged on one side of the rotating ring 5. The plug post 19 is slidably installed in the mounting groove 17. The spring 18 is arranged between the plug post 19 and the mounting groove 17. The lever 20 is fixedly installed on one side of the plug post 19. An L-shaped groove is arranged on one side of the mounting groove 17. The lever 20 is slidably installed in the L-shaped groove. A slot 13 is arranged on one side of the snap-fit ​​ring 10, and the slot 13 corresponds to the plug post 19. A limiting groove 16 is arranged on one side of the fixed ring 4. A limiting ring 15 is fixedly installed on one side of the rotating ring 5, and the limiting ring 15 is rotatably installed in the limiting groove 16.

[0024] Specifically, in the present embodiment, by providing the first connecting member 2 and the second connecting member 3, when the sleeve body 1 needs to be lengthened, the buckle 6 is inserted into the rotating groove 11, and then the rotating ring 5 is rotated to drive the buckle 6 to rotate into the clamping groove 12, so that the rotating ring 5 is fixedly connected to one side of the clamping ring 10, and then the lever 20 is pushed upward to make the lever 20 disengage from the vertical groove of the L-shaped groove and enter the horizontal groove of the L-shaped groove, and then the column 19 is moved by the elastic force of the spring 18 and inserted into the corresponding slot 13, and the rotating ring 5 is limited, so that the connection between the two sleeve bodies 1 can be completed. When disassembly is required, the above steps can be reversed, so that it is convenient for the staff to lengthen the sleeve body 1 and to replace the damaged sleeve body 1.

[0025] The utility model provides a fireproof sleeve lined with aluminum foil, wherein a plurality of protective strips 9 are fixedly installed on the periphery of a sleeve body 1, the protective strips 9 are made of rubber material, the sleeve body 1 comprises an outer protective layer 21, an insulating layer 22, a tensile layer 23, a metal mesh layer 24 and an aluminum foil lining layer 25, the metal mesh layer 24 is arranged on the periphery of the aluminum foil lining layer 25, the tensile layer 23 is arranged on the periphery of the metal mesh layer 24, the insulating layer 22 is arranged on the periphery of the tensile layer 23, the outer protective layer 21 is arranged on the periphery of the insulating layer 22, the tensile layer 23 is made of carbon fiber cloth, the outer protective layer 21 is made of silicone rubber, and the insulating layer 22 is made of ceramic fiber.

[0026] In another embodiment provided by the utility model, the protective property of the sleeve body 1 can be improved by setting the protective strip 9 and the outer protective layer 21, the tensile strength of the sleeve body 1 can be increased by the carbon fiber cloth material of the tensile layer 23, and the high temperature resistance of the sleeve body 1 can be increased, and the thermal conductivity and fire resistance of the sleeve body 1 can be increased by setting the aluminum foil lining layer 25.

[0027] Working principle: When the sleeve body 1 needs to be lengthened, the two sleeve bodies 1 can be quickly connected by connecting the first connecting piece 2 at one end of one of the sleeve bodies 1 with the second connecting piece 3 at one end of the other sleeve body 1, thereby completing the lengthening of the sleeve body 1. When the damaged sleeve body 1 needs to be replaced, the first connecting piece 2 and the second connecting piece 3 at both ends of the sleeve body 1 are separated and disconnected from the first connecting piece 2 and the second connecting piece 3 connected to the other sleeve body 1, thereby facilitating the staff to replace the damaged sleeve body 1.

[0028] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A fireproof sleeve lined with aluminum foil, comprising a sleeve body (1), characterized in that: The first connecting member (2) and the second connecting member (3) are respectively provided at both ends of the sleeve body (1); the first connecting member (2) corresponds to the second connecting member (3); the second connecting member (3) comprises a fixed ring (4), a rotating ring (5), a buckle (6) and a limiting mechanism (7); the fixed ring (4) is fixedly mounted on one end of the sleeve body (1); the rotating ring (5) is arranged on one side of the fixed ring (4); the number of the buckles (6) is four, and the four buckles (6) are respectively fixedly mounted on the rotating ring (5). On one side, the limiting mechanism (7) is arranged on one side of the rotating ring (5), the first connecting member (2) comprises a clamping ring (10), a rotating groove (11) and a clamping groove (12), the clamping ring (10) is fixedly mounted on one end of the sleeve body (1), the rotating groove (11) is arranged on one side of the clamping ring (10), the number of the clamping grooves (12) is four, the four clamping grooves (12) are respectively arranged on the circumferential side of the bottom of the inner wall of the rotating groove (11), and the four buckles (6) correspond to the four clamping grooves (12).

2. A fireproof sleeve lined with aluminum foil according to claim 1, characterized in that: The limiting mechanism (7) comprises a mounting groove (17), a spring (18), an insertion column (19) and a lever (20); the mounting groove (17) is provided on one side of the rotating ring (5); the insertion column (19) is slidably mounted in the mounting groove (17); the spring (18) is arranged between the insertion column (19) and the mounting groove (17); the lever (20) is fixedly mounted on one side of the insertion column (19); an L-shaped groove is provided on one side of the mounting groove (17); the lever (20) is slidably mounted in the L-shaped groove; a slot (13) is provided on one side of the clamping ring (10); the slot (13) corresponds to the insertion column (19).

3. A fireproof sleeve lined with aluminum foil according to claim 2, characterized in that: A limiting groove (16) is provided on one side of the fixed ring (4), a limiting ring (15) is fixedly mounted on one side of the rotating ring (5), and the limiting ring (15) is rotatably mounted in the limiting groove (16).

4. The fireproof sleeve lined with aluminum foil according to claim 1, characterized in that: A plurality of protective strips (9) are fixedly mounted on the circumferential side of the sleeve body (1), and the protective strips (9) are made of rubber material.

5. The fireproof sleeve lined with aluminum foil according to claim 1, characterized in that: The sleeve body (1) comprises an outer protective layer (21), an insulating layer (22), a tensile layer (23), a metal mesh layer (24) and an aluminum foil lining layer (25); the metal mesh layer (24) is arranged on the peripheral side of the aluminum foil lining layer (25); the tensile layer (23) is arranged on the peripheral side of the metal mesh layer (24); the insulating layer (22) is arranged on the peripheral side of the tensile layer (23); and the outer protective layer (21) is arranged on the peripheral side of the insulating layer (22).

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