Novel polytetrafluoroethylene pipe lining

Abstract

The utility model belongs to the technical field of polytetrafluoroethylene pipe liners, and particularly relates to a novel polytetrafluoroethylene pipe liner which comprises an outer pipe body, a containing groove is formed in the surface of the outer side of the outer pipe body, a protruding block is connected to the surface of the inner side of the containing groove, connecting blocks are connected to the surfaces of the two ends of the protruding block, and a through limiting hole is formed in the surface of one end of each connecting block. Bolts are connected into the limiting holes in a penetrating mode. Through mutual cooperation of the protruding blocks, the connecting blocks, the containing grooves and the bolts, the protruding blocks made of rubber are arranged on the outer side of the outer pipe body, when the outer pipe body makes contact with the inner side of the metal pipe body, the friction force between the outer pipe body and the metal pipe body can be increased, and the situation that a polytetrafluoroethylene pipe is prone to sliding when being placed into the pipe body is avoided; and secondly, sound-absorbing cotton is arranged, when the inner pipe body is conveyed, the sound-absorbing cotton can weaken noise generated when objects are conveyed in the inner pipe body, and the situation that noise is too high when the polytetrafluoroethylene pipe lining is conveyed is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of polytetrafluoroethylene pipe linings, and specifically relates to a novel polytetrafluoroethylene pipe lining. Background Art

[0002] Polytetrafluoroethylene is a synthetic polymer material, known as the "King of Plastics". Polytetrafluoroethylene is a white waxy, translucent substance with excellent heat resistance and cold resistance. It can be used for a long time in the range of -180 to 260°C.

[0003] When the polytetrafluoroethylene pipe liner is in use, it is generally installed inside the metal pipe body. The metal pipe body protects the internal polytetrafluoroethylene pipe liner. After the polytetrafluoroethylene pipe liner is produced and processed, due to the characteristics of the material, the friction coefficient of the polytetrafluoroethylene pipe liner is extremely low. When the polytetrafluoroethylene pipe liner is placed inside the metal pipe body, the polytetrafluoroethylene pipe liner is easy to slide inside the metal pipe body, causing the polytetrafluoroethylene pipe liner to slip out, which brings inconvenience to the installation of the polytetrafluoroethylene pipe liner.

[0004] Therefore, the utility model provides a novel polytetrafluoroethylene pipe liner to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a novel polytetrafluoroethylene pipe liner, aiming to solve the problem in the prior art that the polytetrafluoroethylene pipe liner has an extremely low friction coefficient and is prone to sliding when placed inside a metal pipe body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of polytetrafluoroethylene pipe liner, comprising an outer tube body, a placement groove is provided on the outer surface of the outer tube body, a protrusion is connected to the inner surface of the placement groove, connecting blocks are connected to the two end surfaces of the protrusion, a through limiting hole is provided on the surface of one end of the connecting block, a bolt is connected to the inside of the limiting hole, one end of the bolt extends into a fixing hole provided in the inner part of the outer tube body, a first viscose layer is connected to the inner surface of the outer tube body, sound-absorbing cotton is connected to the inner surface of the first viscose layer, a second viscose layer is connected to the inner surface of the sound-absorbing cotton, and the inner surface of the second viscose layer is connected to the inner tube body.

[0007] In order to realize the placement of the bump, as a preferred novel polytetrafluoroethylene pipe liner of the utility model, the bump is made of rubber material, and the bump is slidably connected to the outer tube body through the placement groove.

[0008] In order to place the connection block, as a preferred embodiment of the utility model, a novel polytetrafluoroethylene pipe liner is provided, wherein the connection block is slidably connected to the outer pipe body through a placement groove.

[0009] In order to realize the through bolt, as a preferred novel polytetrafluoroethylene pipe liner of the utility model, the position and size of the limiting hole match the position and size of the fixing hole.

[0010] In order to fix the position of the protrusion, as a preferred embodiment of the utility model, a novel polytetrafluoroethylene pipe liner is provided, wherein the bolt passes through the limiting hole and the fixing hole to form a threaded connection.

[0011] In order to achieve the uniformity of materials, as a preferred novel polytetrafluoroethylene pipe liner of the utility model, the outer pipe body and the inner pipe body are made of polytetrafluoroethylene material.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a rubber-made convex block on the outside of the outer tube body through the cooperation between the convex block, the connecting block, the placement groove and the bolt, so that when the outer tube body contacts the inner side of the metal tube body, the friction between the outer tube body and the metal tube body can be increased, thereby preventing the polytetrafluoroethylene tube from sliding when it is placed into the tube body.

[0014] 2. The utility model provides sound-absorbing cotton, which can reduce the noise generated when the object is transported inside the inner tube body when the inner tube body is transporting, thereby avoiding excessive noise generated when the polytetrafluoroethylene tube liner is transporting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the local explosion structure of the convex block of the utility model;

[0018] Figure 3 It is a schematic diagram of a partial cross-sectional structure of the utility model;

[0019] Figure 4 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0020] In the figure: 1. outer tube body; 2. placement groove; 3. protrusion; 4. connection block; 5. limiting hole; 6. bolt; 7. fixing hole; 8. first viscose layer; 9. sound-absorbing cotton; 10. second viscose layer; 11. inner tube body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The utility model provides the following technical solutions: a new type of polytetrafluoroethylene pipe liner, including an outer tube body 1, a placement groove 2 is opened on the outer surface of the outer tube body 1, a protrusion 3 is connected to the inner surface of the placement groove 2, and the surfaces of both ends of the protrusion 3 are connected to connecting blocks 4, and a through limiting hole 5 is opened on the surface of one end of the connecting block 4, and a bolt 6 is connected through the inside of the limiting hole 5, and one end of the bolt 6 extends into a fixing hole 7 opened in the outer tube body 1, a first viscose layer 8 is connected to the inner surface of the outer tube body 1, and a sound-absorbing cotton 9 is connected to the inner surface of the first viscose layer 8, and a second viscose layer 10 is connected to the inner surface of the sound-absorbing cotton 9, and the inner surface of the second viscose layer 10 is connected to the inner tube body 11.

[0023] Preferably, the material of the protrusion 3 is rubber material, the protrusion 3 is slidably connected to the outer tube body 1 through the placement groove 2, and the connection block 4 is slidably connected to the outer tube body 1 through the placement groove 2.

[0024] During specific use, the protrusion 3 is made of rubber material, so the protrusion 3 itself is elastic and has a large friction coefficient. The protrusion 3 can slide in the placement groove 2. When the protrusion 3 is slid into the placement groove 2, it will also drive the connecting blocks 4 at both ends of the protrusion 3 to slide in the placement groove 2.

[0025] Preferably, the position and size of the limiting hole 5 match the position and size of the fixing hole 7, the bolt 6 penetrates the limiting hole 5 and the fixing hole 7 to form a threaded connection, and the outer tube body 1 and the inner tube body 11 are made of polytetrafluoroethylene.

[0026] During specific use, when the positions of the limiting hole 5 and the fixing hole 7 coincide with each other, a bolt 6 is passed through the limiting hole 5 and screwed into the fixing hole 7, so that the position of the connecting block 4 can be fixed in the placement groove 2. The outer tube body 1 and the inner tube body 11 are made of polytetrafluoroethylene material, so that the new polytetrafluoroethylene pipe lining can be guaranteed to have the characteristics of polytetrafluoroethylene material both inside and outside.

[0027] Working principle: When using the new polytetrafluoroethylene pipe liner, the protrusion 3 is slidably placed into the placement groove 2, so that the connection block 4 will also enter the placement groove 2 at the same time, so that the limiting hole 5 on the connection block 4 will coincide with the fixing hole 7, and then the bolt 6 is passed through the limiting hole 5 and screwed into the fixing hole 7, so that the position of the connection block 4 will be fixed in the placement groove 2, so that the position of the protrusion 3 will also be fixed in the placement groove 2, and after the bolt 6 is screwed, one end of the bolt 6 will be on the inner side of the placement groove 2 and will not protrude from the placement groove 2, so that when the outer tube body 1 moves in the metal tube body, the bolt 6 will not affect the movement of the outer tube body 1, and then the polytetrafluoroethylene pipe liner is inserted and placed into the metal tube body, so that the protrusion 3 will contact the inner wall of the metal tube body, thereby increasing The friction between the polytetrafluoroethylene pipe liner and the inner wall of the metal pipe body makes it difficult for the polytetrafluoroethylene pipe liner to slide in the metal pipe body. At the same time, by turning the bolt 6, one end of the bolt 6 can be separated from the fixing hole 7, so that the protrusion 3 can be separated from the placement groove 2, allowing the operator to remove the protrusion 3 and perform maintenance on the protrusion 3. Secondly, when the polytetrafluoroethylene pipe liner is in use, the inner wall of the inner pipe body 11 will transport objects, so that during the transportation process, noise will be generated between the objects and the inner pipe body 11, so that the noise will diffuse and conduct. When the noise is transmitted to the sound-absorbing cotton 9 set between the inner pipe body 11 and the outer pipe body 1, the sound-absorbing cotton 9 will weaken the generated noise, thereby avoiding excessive noise generated by the polytetrafluoroethylene pipe liner during transportation.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A novel polytetrafluoroethylene pipe liner, comprising an outer pipe body (1), characterized in that: The outer surface of the outer tube body (1) is provided with a placement groove (2), the inner surface of the placement groove (2) is connected with a protrusion (3), the two end surfaces of the protrusion (3) are connected with a connecting block (4), one end surface of the connecting block (4) is provided with a through-going limiting hole (5), the inside of the limiting hole (5) is connected with a bolt (6), one end of the bolt (6) extends into a fixing hole (7) provided in the inner surface of the outer tube body (1), the inner surface of the outer tube body (1) is connected with a first viscose layer (8), the inner surface of the first viscose layer (8) is connected with a sound-absorbing cotton (9), the inner surface of the sound-absorbing cotton (9) is connected with a second viscose layer (10), and the inner surface of the second viscose layer (10) is connected with an inner tube body (11).

2. A novel polytetrafluoroethylene pipe liner according to claim 1, characterized in that: The material of the projection (3) is rubber material, and the projection (3) is slidably connected to the outer tube body (1) via the placement groove (2).

3. A novel polytetrafluoroethylene pipe liner according to claim 1, characterized in that: The connection block (4) is slidably connected to the outer tube body (1) via the placement groove (2).

4. The novel polytetrafluoroethylene pipe liner according to claim 1 is characterized in that: The position and size of the limiting hole (5) match the position and size of the fixing hole (7).

5. The novel polytetrafluoroethylene pipe liner according to claim 1 is characterized in that: The bolt (6) penetrates the limiting hole (5) and forms a threaded connection with the fixing hole (7).

6. A novel polytetrafluoroethylene pipe liner according to claim 1, characterized in that: The outer tube body (1) and the inner tube body (11) are made of polytetrafluoroethylene.

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