CN216215649U

CN216215649U - PVC sleeve pipe with anticorrosive high temperature resistance

Info

Publication number: CN216215649U
Application number: CN202122748562.2U
Authority: CN
Inventors: 何俊文; 石娜; 周祖海
Original assignee: Shenzhen Sunbow Insulation Materials Mfg Co ltd
Current assignee: Shenzhen Sunbow Insulation Materials Mfg Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-05
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses the technical field of PVC sleeves, in particular to a PVC sleeve with corrosion resistance and high temperature resistance, which comprises a PVC sleeve, the circumference of the outer wall of the PVC sleeve is fixedly connected with a heat insulation layer, the outer wall of the heat insulation layer is fixedly connected with an anti-corrosion layer, a waterproof layer is fixedly connected on the outer wall of the anticorrosive layer, a connecting part is arranged on the outer side of the PVC sleeve, one side of the connecting part is provided with a rotating part, the connecting part comprises a thread groove, the thread groove is arranged on the outer wall of the right end of the PVC sleeve, the outer wall of the left end of the PVC sleeve is provided with a limit groove, the limit groove is in a ring shape, the side walls at the left end and the right end of the PVC sleeve are fixedly provided with connecting blocks, the connecting blocks are in a ring shape, a sealing gasket is fixedly arranged on the outer wall of the connecting block, the shape of the sealing gasket is circular ring-shaped, one side of connecting block is equipped with the lid, lets the PVC sleeve pipe have anticorrosive thermal-insulated and quick connect's function.

Description

PVC sleeve pipe with anticorrosive high temperature resistance

Technical Field

The utility model relates to the field of PVC (polyvinyl chloride) sleeves, in particular to a PVC sleeve with corrosion resistance and high temperature resistance.

Background

The PVC pipe is formed by extrusion by a hot pressing method after polyvinyl chloride resin is matched with a stabilizer, a lubricant and the like, is a plastic pipe which is developed and applied at the earliest time, has good physical properties and great development and application values, and is recommended to be a cable protective sleeve by the nation strongly by virtue of the characteristics of light dead weight, high compressive strength, safety, convenience and the like.

The prior art has the following defects: the existing PVC pipe sleeve has no characteristics of corrosion resistance and high temperature resistance, so that the PVC pipe sleeve is easy to damage, the effect of protecting a cable in the pipe is lost, and then the PVC pipe sleeve is troublesome to connect, so that the workload of workers is increased.

Therefore, the utility model is necessary to develop a PVC sleeve with corrosion resistance and high temperature resistance.

SUMMERY OF THE UTILITY MODEL

Therefore, the heat-insulating layer, the anticorrosive layer and the waterproof layer are sequentially arranged on the outer side of the PVC sleeve, the two groups of PVC sleeves are hermetically connected through the connecting part, the cover can be rotated through the rotating part, and the problems that the PVC sleeve is not anticorrosive and high-temperature resistant, the PVC sleeve is easily damaged, the PVC sleeve is troublesome to connect and the workload of workers is increased are solved.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a PVC sleeve pipe with anticorrosive high temperature resistance, includes the PVC sleeve pipe, PVC sleeve pipe outer wall circumference fixedly connected with insulating layer, fixedly connected with anticorrosive coating on the insulating layer outer wall, fixedly connected with waterproof layer on the anticorrosive coating outer wall, the PVC sleeve pipe outside is equipped with adapting unit, adapting unit one side is equipped with rotating member.

Preferably, the connecting part comprises a thread groove, the thread groove is formed in the outer wall of the right end of the PVC sleeve, a limiting groove is formed in the outer wall of the left end of the PVC sleeve, and the limiting groove is annular.

Preferably, equal fixed mounting has the connecting block on the lateral wall at both ends about the PVC sleeve pipe, the shape of connecting block is the ring form, fixed mounting has sealed the pad on the outer wall of connecting block, the shape of sealed pad is the ring form.

Preferably, one side of connecting block is equipped with the lid, the fillet of screw has been seted up to the circumference on the lid inner wall, the round hole has been seted up on the rear end lateral wall of lid, the internal diameter of round hole is greater than the sheathed tube external diameter of PVC, the lid passes through the round hole cover on the outer wall of PVC sleeve pipe, fixed mounting has the stopper on the lid right-hand member inner wall, the shape of stopper is the ring form, the lateral wall inserts the spacing inslot in the stopper inner, stopper outer wall and spacing inslot wall sliding connection, fillet of screw outer wall and thread inslot wall threaded connection, it is two sets of sealed lateral wall of packing is connected.

Preferably, the cover is made of steel materials, a chamfer is arranged at the rear end of the cover, and a protective layer is sprayed on the outer surface of the cover.

Preferably, the rotating part comprises a placing groove, the placing groove is formed in the side walls of the upper end and the lower end of the cover, a through hole is formed in the inner wall of the bottom end of the placing groove, a metal rod is inserted into the through hole, the lower end of the metal rod penetrates through the through hole, the metal rod is in a hollow cylindrical shape, a stop block is fixedly mounted on the side wall of the bottom end of the metal rod, a permanent magnet is fixedly mounted on the side wall of the upper end of the stop block, and the upper end of the permanent magnet is in an arc shape. Preferably, the inner wall of the metal rod is provided with a sliding groove, the upper end of the metal rod is provided with a moving rod, the lower end of the moving rod is inserted into the metal rod, the side wall of the lower end of the moving rod is fixedly provided with a sliding block, one end, far away from the moving rod, of the sliding block is inserted into the sliding groove, and the outer wall of the moving rod is connected with the inner wall of the sliding groove in a sliding mode.

Preferably, a magnet rod is fixedly mounted on the side wall of the upper end of the moving rod and is located in the placing groove.

The utility model has the beneficial effects that:

1. the annular connecting plates are fixedly arranged on the side walls of the left end and the right end of the PVC sleeve, and the annular sealing gaskets are fixedly arranged on the side walls of the annular connecting plates, so that the contact area of the annular sealing gaskets is increased, and the two groups of PVC sleeves are better connected in a sealing manner;

2. detain out the magnet stick with the finger, outside pulling magnet stick, pull out the carriage release lever in following the metal pole, and take the metal pole toward outer, let the permanent magnet adsorb on the lid inner wall, this is that two sets of magnet sticks are held respectively to two hands and can rotate the lid, thereby screw up the lid and also can twist off the lid from PVC sleeve pipe outer wall on PVC sleeve pipe outer wall, when need not rotate the lid, with the magnet stick and adsorb in the standing groove, play and connect or tear the effect of part fast conveniently with two sets of PVC overlaps.

Drawings

FIG. 1 is a schematic cross-sectional view of a PVC bushing provided by the present invention;

FIG. 2 is a schematic structural view of one end of a PVC casing pipe provided by the present invention;

FIG. 3 is a schematic cross-sectional view of the overall structure provided by the present invention;

FIG. 4 is an enlarged view of the structure of area A in FIG. 3 according to the present invention;

fig. 5 is an enlarged view of the structure of the region B in fig. 3 according to the present invention.

In the figure: the heat-insulating and heat-insulating composite material comprises a PVC sleeve pipe 1, a heat-insulating layer 2, an anticorrosive layer 3, a waterproof layer 4, a thread groove 5, a connecting block 6, a sealing gasket 7, a cover 9, a thread ring 10, a round hole 11, a limiting block 12, a limiting groove 13, a placing groove 14, a through hole 15, a metal rod 16, a stop block 17, a permanent magnet 18, a sliding groove 19, a moving rod 20, a sliding block 21, a magnet rod 22, a connecting part 101 and a rotating part 201.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached drawings 1-5, the utility model provides a PVC sleeve with corrosion resistance and high temperature resistance, which comprises a PVC sleeve 1;

1 outer wall circumference fixedly connected with insulating layer 2 of PVC sleeve pipe, insulating layer 2 adopts thermal-insulated cotton material to make, play the thermal-insulated heat retaining effect of PVC sleeve pipe 1, fixedly connected with anticorrosive coating 3 on the 2 outer walls of insulating layer, anticorrosive coating 3 plays the effect to PVC sleeve pipe 1, let PVC sleeve pipe 1 life-span more permanent, fixedly connected with waterproof layer 4 on the 3 outer walls of anticorrosive coating, waterproof layer 4 plays the effect that prevents anticorrosive coating 3 and insulating layer 2 and wet, the 1 outside of PVC sleeve pipe is equipped with adapting unit 101, adapting unit 101 one side is equipped with rotatable parts 201.

The connecting part 101 comprises a thread groove 5, the thread groove 5 is arranged on the outer wall of the right end of the PVC sleeve 1, the outer wall of the left end of the PVC sleeve 1 is provided with a limit groove 13, the shape of the limit groove 13 is circular, the side walls of the left end and the right end of the PVC sleeve 1 are both fixedly provided with a connecting block 6, the shape of the connecting block 6 is circular, the outer wall of the connecting block 6 is fixedly provided with a sealing gasket 7, the shape of the sealing gasket 7 is circular, the sealing gasket 7 is made of rubber materials, the rubber has better waterproof property and corrosion resistance and better sealing effect, the connecting block 6 increases the contact area of the sealing gasket 7, one side of the connecting block 6 is provided with a cover 9, the inner wall of the cover 9 is provided with a thread ring 10 on the circumference, the side wall of the rear end of the cover 9 is provided with a round hole 11, the inner diameter of the round hole 11 is larger than the outer diameter of the PVC sleeve 1, and the cover 9 is sleeved on the outer wall of the PVC sleeve 1 through the round hole 11, fixed mounting has stopper 12 on the inner wall of lid 9 right-hand member, and the shape of stopper 12 is the ring form, and stopper 12 inner lateral wall inserts spacing groove 13, stopper 12 outer wall and 13 inner wall sliding connection of spacing groove play and only can let lid 9 in situ pivoted effect on PVC sleeve pipe 1 outer wall, and 10 outer walls of the fillet of thread and 5 inner wall threaded connection of thread groove, two sets of sealed 7 lateral walls that fill up are connected, get up adjacent two sets of PVC sleeve pipe 1 sealing connection.

The cover 9 is made of steel material, a chamfer is arranged at the rear end of the cover 9, a protective layer is sprayed on the outer surface of the cover 9, and the steel is a general term for iron-carbon alloy with carbon content of 0.02-2.11% by mass; in actual production, steel often contains different alloying elements according to different applications, such as: manganese, nickel, vanadium, etc., allowing the permanent magnet 18 and the magnet bar 22 to be attached to the cover 9.

The rotating part 201 comprises a placing groove 14, the placing groove 14 is arranged on the side walls of the upper end and the lower end of a cover 9, a through hole 15 is arranged on the inner wall of the bottom end of the placing groove 14, a metal rod 16 is inserted into the through hole 15, the lower end of the metal rod 16 passes through the through hole 15, the metal rod 16 is in a hollow cylindrical shape, a stop block 17 is fixedly arranged on the side wall of the bottom end of the metal rod 16, a permanent magnet 18 is fixedly arranged on the side wall of the upper end of the stop block 17, the upper end of the permanent magnet 18 is in an arc shape, so that the permanent magnet 18 can be adsorbed on the inner wall of the cover 9, a chute 19 is arranged on the inner wall of the metal rod 16, a moving rod 20 is arranged on the upper end of the metal rod 16, the lower end of the moving rod 20 is inserted into the metal rod 16, a slider 21 is fixedly arranged on the side wall of the lower end of the moving rod 20, one end of the slider 21, which is far away from the moving rod 20, is inserted into the chute 19, the outer wall of the moving rod 20 is in a sliding connection with the inner wall of the chute 19, a magnet rod 22 is fixedly arranged on the side wall of the moving rod 20, magnet rod 22 is located standing groove 14, when needs rotate lid 9, withhold magnet rod 22 with the finger, outwards stimulate magnet rod 22, pull out shift lever 20 from the metal pole 16 in, and take metal pole 16 outwards, let permanent magnet 18 adsorb on lid 9 inner wall, it is that two hands hold two sets of magnet rods 22 respectively and can rotate lid 9, can screw up lid 9 on PVC sleeve pipe 1 outer wall, also can screw down lid 9 from PVC sleeve pipe 1 outer wall, when need not rotate lid 9, with magnet rod 22 and adsorb in standing groove 14.

The using process of the utility model is as follows: a person skilled in the art fixedly installs the sealing gasket 7 on the side wall of the connecting block 6, connects the two sets of PVC sleeves 1 in an end-to-end manner, buckles the magnet rod 22 with fingers, pulls the magnet rod 22 outwards, pulls the moving rod 20 out of the metal rod 16, brings the metal rod 16 outwards, and enables the permanent magnet 18 to be adsorbed on the inner wall of the cover 9, and the cover 9 can be rotated by respectively holding the two sets of magnet rods 22 with two hands, so that the cover 9 is screwed on the outer wall of the PVC sleeve 1.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a PVC sleeve pipe with anticorrosive high temperature resistance, includes PVC sleeve pipe (1), its characterized in that, PVC sleeve pipe (1) outer wall circumference fixedly connected with insulating layer (2), fixedly connected with anticorrosive coating (3) on insulating layer (2) outer wall, fixedly connected with waterproof layer (4) on anticorrosive coating (3) outer wall, PVC sleeve pipe (1) outside is equipped with adapting unit (101), adapting unit (101) one side is equipped with rotatable parts (201).

2. The PVC sleeve with corrosion resistance and high temperature resistance as recited in claim 1, characterized in that: adapting unit (101) include thread groove (5), thread groove (5) are seted up on PVC sleeve pipe (1) right-hand member outer wall, spacing groove (13) have been seted up on PVC sleeve pipe (1) left end outer wall, spacing groove (13) shape is the ring form.

3. The PVC sleeve with corrosion resistance and high temperature resistance as recited in claim 2, characterized in that: equal fixed mounting has connecting block (6) on the lateral wall at both ends about PVC sleeve pipe (1), the shape of connecting block (6) is the ring form, fixed mounting has sealed pad (7) on the outer wall of connecting block (6), the shape of sealed pad (7) is the ring form.

4. The PVC sleeve with corrosion resistance and high temperature resistance as recited in claim 3, characterized in that: one side of connecting block (6) is equipped with lid (9), fillet of screw (10) have been seted up to the circumference on lid (9) inner wall, round hole (11) have been seted up on the rear end lateral wall of lid (9), the internal diameter of round hole (11) is greater than the external diameter of PVC sleeve pipe (1), lid (9) are overlapped on PVC sleeve pipe (1) outer wall through round hole (11), fixed mounting has stopper (12) on lid (9) right-hand member inner wall, the shape of stopper (12) is the ring form, stopper (12) inner lateral wall inserts in spacing groove (13), stopper (12) outer wall and spacing groove (13) inner wall sliding connection, fillet of screw (10) outer wall and fillet of screw (5) inner wall threaded connection, it is two sets of sealed pad (7) lateral wall is connected.

5. The PVC sleeve with corrosion resistance and high temperature resistance as recited in claim 4, wherein: the cover (9) is made of steel materials, a chamfer is arranged at the rear end of the cover (9), and a protective layer is sprayed on the outer surface of the cover (9).

6. The PVC sleeve with corrosion resistance and high temperature resistance as recited in claim 1, characterized in that: rotating member (201) includes standing groove (14), standing groove (14) are seted up on both ends lateral wall about lid (9), through-hole (15) have been seted up on standing groove (14) bottom inner wall, insert metal pole (16) in through-hole (15), through-hole (15) are passed to metal pole (16) lower extreme, metal pole (16) are hollow cylinder, fixed mounting has dog (17) on metal pole (16) bottom lateral wall, fixed mounting has permanent magnet (18) on dog (17) upper end lateral wall, permanent magnet (18) upper end shape is circular-arcly.

7. The PVC sleeve with corrosion resistance and high temperature resistance as recited in claim 6, wherein: the utility model discloses a metal pole, including metal pole (16), runner (19) have been seted up on metal pole (16) inner wall, metal pole (16) upper end is equipped with carriage release lever (20), in carriage release lever (20) lower extreme inserted metal pole (16), fixed mounting has slider (21) on the lateral wall of carriage release lever (20) lower extreme, slider (21) keep away from in one end of carriage release lever (20) inserts runner (19), carriage release lever (20) outer wall and runner (19) inner wall sliding connection.

8. The PVC sleeve with corrosion resistance and high temperature resistance as recited in claim 7, wherein: and a magnet rod (22) is fixedly mounted on the side wall of the upper end of the moving rod (20), and the magnet rod (22) is positioned in the placing groove (14).