CN218564675U

CN218564675U - Polytetrafluoroethylene thin-walled tube

Info

Publication number: CN218564675U
Application number: CN202222200138.9U
Authority: CN
Inventors: 沈军; 邱海山
Original assignee: Shanghai Rongyuan Fluoroplastic Products Co ltd
Current assignee: Shanghai Rongyuan Fluoroplastic Products Co ltd
Priority date: 2022-08-20
Filing date: 2022-08-20
Publication date: 2023-03-03
Anticipated expiration: 2032-08-20

Abstract

The application discloses a polytetrafluoroethylene thin-wall pipe, which belongs to the field of thin-wall pipes and comprises two thin-wall pipes, wherein two installation rings are sleeved on the outer portions, close to one end, of the two thin-wall pipes, connecting pipes are connected between the two installation rings, fixed rods are fixed at the tops and the bottoms of the installation rings, fixed plates are fixed at the tops of the two fixed rods above the installation rings, fixed plates are fixed at the bottoms of the two fixed rods below the installation rings, two movable rods I are movably arranged on the fixed plates, a buffer plate is fixed at one end, close to the connecting pipes, of the two movable rods I, a spring I is sleeved on the movable rod I, the spring I is located between the buffer plate and the fixed plates, and a buffer block I is arranged on one side, far away from the connecting pipes, of the buffer plate; this application modern design, the structure is ingenious, changes the mode of rigid connection into flexonics to install buffer structure additional, make the junction of pipeline have the buffer capacity, reduce the damage that the impact brought, the security is high.

Description

Polytetrafluoroethylene thin-walled tube

Technical Field

The application relates to the technical field of thin-walled tubes, in particular to a polytetrafluoroethylene thin-walled tube.

Background

Because the polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-stick property, electrical insulation property, good ageing resistance, high temperature resistance and low temperature resistance, and can work for a long time at the temperature of 250 ℃ to 260 ℃, the polytetrafluoroethylene has been applied to a plurality of fields such as chemical industry, machinery and the like. In particular, polytetrafluoroethylene has heat and chemical resistance and can be used as a pipeline for conveying corrosive gas or liquid under high-temperature conditions.

At present, the polytetrafluoroethylene thin-walled pipes are connected in a rigid manner, and when gas or liquid is conveyed, the joints of the pipes are likely to loosen due to long-time impact, so that medium leakage is caused, waste is caused, and the danger is higher.

SUMMERY OF THE UTILITY MODEL

The polytetrafluoroethylene thin-walled tube provided by the application aims to solve the problems that the existing polytetrafluoroethylene thin-walled tube provided by the background technology is mostly in rigid connection, and when gas or liquid is conveyed, the connection part of a pipeline is likely to be loosened due to long-time impact, so that media are leaked, waste is caused, and the danger is higher.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a polytetrafluoroethylene thin-wall pipe comprises two thin-wall pipes, wherein mounting rings are sleeved on the outer portions of the two thin-wall pipes close to one ends, connecting pipes are connected between the two mounting rings, rigid connection is changed into flexible connection, the connecting portions of pipelines have buffering capacity, and damage caused by impact is reduced; the top and the bottom of the mounting ring are both fixed with fixing rods, the top ends of the two fixing rods positioned above are fixed with fixing plates, the bottom ends of the two fixing rods positioned below are jointly fixed with fixing plates, the two fixing plates are used for mounting a buffer device, two movable rods I are movably arranged on the fixing plates and can move on the fixing plates, one ends of the two movable rods I, which are close to the connecting pipes, are jointly fixed with buffer plates, the buffer plates tightly support the connecting pipes and further absorb the impact force, springs I are sleeved on the movable rods I and are positioned between the buffer plates and the fixing plates, the buffer plates can automatically reset through deformation absorption of the springs I, one sides, which are far away from the connecting pipes, of the buffer blocks I are arranged on the side walls, which are close to the buffer plates, of the buffer plates and move together, mounting rods are symmetrically fixed on the side walls, movable rods II are movably arranged on the mounting rods, the movable rods II can transversely move on the mounting rods, buffer blocks II are fixed between the two movable rods, the buffer blocks II are extruded when the buffer blocks I move, springs II are sleeved on the movable rods, and have the buffer blocks.

In a preferred embodiment, the connecting pipe is a bellows, and the bellows has a certain elasticity to absorb the impact force.

As a preferred embodiment, one end of the first movable rod and one end of the second movable rod are respectively provided with a limiting block, the limiting blocks on the first movable rod can prevent the first movable rod from falling off from the fixed plate, and the limiting blocks on the second movable rod can prevent the second movable rod from falling off from the installation rod.

In a preferred embodiment, the vertical cross sections of the first buffer block and the second buffer block are both semicircular structures.

As a preferred embodiment, the two buffer blocks two are located at two sides of the buffer block one, and the two buffer blocks respectively abut against two sides of the buffer block one, and the buffer block one can extrude the two buffer blocks two when moving.

As a preferred embodiment, fastening bolts are installed at the top and the bottom of the installation ring, threaded holes are formed in two sides of one end of the thin-walled tube, the size of each threaded hole is matched with that of each fastening bolt, and the installation ring can be conveniently fixed on the thin-walled tube by screwing the fastening bolts into the threaded holes.

In a preferred embodiment, the inner wall of the mounting ring is provided with a sealing ring to improve the sealing performance.

In a preferred embodiment, the sealing ring is made of rubber, and the inner diameter of the sealing ring is smaller than the outer diameter of the thin-walled tube, so that the sealing ring and the thin-walled tube are attached more tightly.

The beneficial effect of this application:

1. according to the polytetrafluoroethylene thin-walled tube, the mounting ring, the connecting pipe, the fastening bolt, the threaded hole and the sealing ring are arranged, the rigid connection mode is changed into flexible connection, the connecting part of the pipeline has buffering capacity, damage caused by impact is reduced, the service life is prolonged, the fastening bolt is screwed into the threaded hole, and the mounting ring can be conveniently fixed on the thin-walled tube;

2. this polytetrafluoroethylene thin-walled tube sets up buffer through setting up dead lever, fixed plate, movable rod one, buffer board, spring one, buffer block one, installation pole, movable rod two, buffer block two, spring two in the outside of junction, offsets the impact force to the junction, further improves the buffer capacity, and the security is high.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is an enlarged view of the present application at a.

Reference numbers in the figures: 1. a thin-walled tube; 2. a mounting ring; 3. a connecting pipe; 4. fixing the rod; 5. a fixing plate; 6. a first movable rod; 7. a buffer plate; 8. a first spring; 9. a first buffer block; 10. mounting a rod; 11. a second movable rod; 12. a second buffer block; 13. a second spring; 14. fastening a bolt; 15. a threaded hole; 16. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1 and 2, a polytetrafluoroethylene thin-wall pipe comprises two thin-wall pipes 1, wherein mounting rings 2 are sleeved on the outer portions of the two thin-wall pipes 1 close to one end, a connecting pipe 3 is connected between the two mounting rings 2, the connecting pipe 3 is a corrugated pipe, the corrugated pipe has certain flexibility and buffers impact force, rigid connection is changed into flexible connection, so that the connection position of the pipelines has buffering capacity, and damage caused by impact is reduced; fastening bolts 14 are installed at the top and the bottom of the mounting ring 2, threaded holes 15 are formed in two sides of one end of the thin-walled tube 1, the size of each threaded hole 15 is matched with the size of each fastening bolt 14, the fastening bolts 14 are screwed into the threaded holes 15, the mounting ring 2 can be conveniently fixed on the thin-walled tube 1, a sealing ring 16 is arranged on the inner wall of the mounting ring 2, sealing performance is improved, the sealing ring 16 is made of rubber, and the inner diameter of the sealing ring 16 is smaller than the outer diameter of the thin-walled tube 1, so that the sealing ring 16 is attached to the thin-walled tube 1 more tightly.

Referring to fig. 1, the top and the bottom of the mounting ring 2 are both fixed with fixing rods 4, the top ends of two fixing rods 4 located above are fixed with fixing plates 5, the bottom ends of two fixing rods 4 located below are jointly fixed with fixing plates 5, the two fixing plates 5 are used for installing a buffer device, two movable rods 6 are movably arranged on the fixing plates 5, the movable rods 6 can move on the fixing plates 5, one ends of the two movable rods 6 close to the connecting pipe 3 are jointly fixed with buffer plates 7, the buffer plates 7 abut against the connecting pipe 3 and further absorb impact force, springs 8 are sleeved on the movable rods 6, the springs 8 are located between the buffer plates 7 and the fixing plates 5, the impact force is absorbed through deformation of the springs 8, the buffer plates 7 can automatically reset, one sides, far away from the connecting pipe 3, of the buffer plates 7 are provided with buffer blocks 9, and the buffer blocks 9 move together with the buffer plates 7.

Referring to fig. 1, the fixed plate 5 is close to the lateral wall of buffer board 7 on the symmetry be fixed with installation pole 10, the activity is provided with two movable rods 11 on the installation pole 10, two movable rods 11 can be on installation pole 10 lateral shifting, the one end of two movable rods 6 and two movable rods 11 all is provided with the stopper, the stopper on the movable rod 6 can avoid one movable rod 6 to drop from fixed plate 5, the stopper on the movable rod two 11 can avoid two movable rods 11 to drop from installation pole 10.

Referring to fig. 1, a second buffer block 12 is fixed between two second movable rods 11, the vertical cross sections of the first buffer block 9 and the second buffer block 12 are of a semicircular structure, the second buffer block 12 on two sides is extruded when the first buffer block 9 moves, a second spring 13 is sleeved on the second movable rods 11, the second spring 13 is located between an installation rod 10 and the second buffer block 12, the second spring 13 also has buffering capacity, the second buffer block 12 is enabled to reset automatically, the two second buffer blocks 12 are located on two sides of the first buffer block 9, the two second buffer blocks 12 respectively abut against two sides of the first buffer block 9, and the first buffer block 9 can extrude the two second buffer blocks 12 when moving.

The working principle is as follows: the connecting pipe 3 is a corrugated pipe, the corrugated pipe has certain flexibility and buffers impact force, rigid connection is changed into flexible connection, the connecting position of the pipeline has buffer capacity, damage caused by impact is reduced, the fastening bolt 14 is screwed into the threaded hole 15, the mounting ring 2 can be conveniently fixed on the thin-walled pipe 1, the inner wall of the mounting ring 2 is provided with the sealing ring 16, the sealing performance is improved, the sealing ring 16 is made of rubber, the inner diameter of the sealing ring 16 is smaller than the outer diameter of the thin-walled pipe 1, and the sealing ring 16 is attached to the thin-walled pipe 1 more tightly;

when the junction receives the impact, make buffer board 7 receive vibrations, can drive the vibrations of buffer block one 9, compression spring one 8 simultaneously, two buffer block two 12 and two 13 springs can be extruded to buffer block one 9 when removing, and spring one 8 and two 13 produce deformation and offset the impact force, and make buffer block one 9 and two 12 automatic re-setting of buffer block, improve the buffer capacity of junction greatly, the security is high, increase of service life.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present application in the scope of the present application.

Claims

1. The polytetrafluoroethylene thin-wall pipe comprises two thin-wall pipes (1), and is characterized in that the outer parts of the two thin-wall pipes (1) close to one end are respectively sleeved with a mounting ring (2), a connecting pipe (3) is connected between the two mounting rings (2), the top and the bottom of each mounting ring (2) are respectively fixed with a fixed rod (4), the top ends of the two fixed rods (4) above are respectively fixed with a fixed plate (5), the bottom ends of the two fixed rods (4) below are respectively fixed with a fixed plate (5), the fixed plate (5) is movably provided with a first movable rod (6), the end of the first movable rod (6) close to the connecting pipe (3) is respectively fixed with a buffer plate (7), the first movable rod (6) is sleeved with a first spring (8), the first spring (8) is positioned between the buffer plate (7) and the fixed plate (5), one side of the buffer plate (7) far away from the connecting pipe (3) is provided with a first buffer block (9), the side wall of the fixed plate (5) close to the buffer plate (7) is symmetrically fixed with a mounting rod (10), the two movable rods (11) are respectively fixed with a first buffer block (11), and the two movable rods (11) are sleeved with a second movable rod (11), and the second spring (13) is positioned between the mounting rod (10) and the second buffer block (12).

2. Polytetrafluoroethylene thin-walled tube according to claim 1, characterized in that the connecting tube (3) is a bellows.

3. The polytetrafluoroethylene thin-walled tube according to claim 1, wherein one end of each of the first movable rod (6) and the second movable rod (11) is provided with a limiting block.

4. The polytetrafluoroethylene thin-walled tube according to claim 1, wherein the vertical cross sections of the first buffer block (9) and the second buffer block (12) are both semicircular structures.

5. The polytetrafluoroethylene thin-walled tube according to claim 4, wherein two second buffer blocks (12) are located on two sides of the first buffer block (9), and the two second buffer blocks (12) respectively abut against two sides of the first buffer block (9).

6. The polytetrafluoroethylene thin-walled tube according to claim 1, wherein fastening bolts (14) are installed at the top and the bottom of the mounting ring (2), threaded holes (15) are formed in both sides of one end of the thin-walled tube (1), and the size of each threaded hole (15) is matched with the size of each fastening bolt (14).

7. Polytetrafluoroethylene thin-walled tube according to claim 1, characterized in that the inner wall of the mounting ring (2) is provided with a sealing ring (16).

8. The polytetrafluoroethylene thin-walled tube according to claim 7, wherein the sealing ring (16) is made of rubber, and the inner diameter of the sealing ring (16) is smaller than the outer diameter of the thin-walled tube (1).