Novel steel lining polytetrafluoroethylene sight glass

Abstract

The utility model relates to the technical field of teflon sight glasses, in particular to a novel steel lining teflon sight glass which comprises a pipeline body, a first flange is connected to the top end of the pipeline body, a second flange is arranged at the top end of the first flange, and a fixing bolt is inserted into the second flange. The mirror frame is inserted into the groove formed in the first flange, the positioning block is inserted into the positioning groove formed in the first flange, then one end of the threaded rod penetrates through the through hole formed in the first flange to be rotationally connected into the threaded hole formed in the positioning block, and the positioning block and the mirror frame are limited; then the groove formed in the second flange is connected to the outer wall of the top end of the mirror frame in a sleeving mode, the first flange and the second flange are connected and fixed through the fixing bolt and the nut, the portion between the first flange and the second flange is filled with the rubber ring for buffering, and therefore the assembling effect on the mirror frame is achieved, and the problem that the lens is damaged due to angle deviation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tetrafluoroethylene sight glasses, in particular to a novel steel-lined tetrafluoroethylene sight glass. Background Art

[0002] Steel lined PTFE sight glass is a pipeline component with high corrosion resistance and high temperature performance. It mainly uses a steel pipe lined with a layer of PTFE material to achieve the purpose of corrosion protection. Steel lined PTFE sight glass is widely used in liquid and gas pipelines in the fields of chemical, petrochemical, metallurgy, light industry, medicine, electric power, etc. It is characterized by good chemical stability, high temperature resistance, low friction coefficient, etc.

[0003] When the existing steel-lined tetrafluoroethylene sight glass is used, the steel-lined tetrafluoroethylene sight glass is one of the main accessories on the industrial pipeline device. However, when the existing steel-lined tetrafluoroethylene sight glass is limited, it is easy to cause the problem of damaging the lens due to angle deviation. Utility Model Content

[0004] The utility model aims to provide a novel steel-lined tetrafluoroethylene sight glass to solve the problem that the existing steel-lined tetrafluoroethylene sight glass proposed in the above background technology is prone to damage the lens due to angle deviation when limiting the lens.

[0005] To achieve the above purpose, the utility model provides the following technical solutions, a new type of steel-lined tetrafluoroethylene sight glass, including a pipeline body:

[0006] A first flange is connected to the top of the pipe body, a second flange is arranged on the top of the first flange, a fixing bolt is inserted into the inside of the second flange, nuts are rotatably connected to the outer walls at both ends of the fixing bolt, a frame is inserted into the inside of the second flange, a lens is arranged on the inner surface of the frame, positioning blocks are connected on both sides of the frame, a threaded rod is rotatably connected to the inside of the positioning block, and a rubber ring is arranged on the top surface of the threaded rod.

[0007] Preferably, the first flange and the second flange are connected and limited by fixing bolts and nuts, the top surface of the first flange and the bottom surface of the second flange are provided with grooves, and the mirror frame is inserted into the grooves provided in the first flange and the second flange.

[0008] Preferably, positioning grooves are provided on both sides of the inner wall of the groove formed by the first flange, and the positioning blocks are inserted into the positioning grooves formed by the first flange.

[0009] Preferably, a through hole is provided on one side of the inner wall of the positioning groove formed in the first flange, a threaded hole is provided on the surface of the positioning block, and one end of the threaded rod passes through the through hole formed in the first flange and is rotatably connected to the inside of the threaded hole formed in the positioning block.

[0010] Preferably, positioning rods are inserted inside both sides of the top of the second flange, the top of the positioning rods is connected to a dustproof sealing plate, the bottom surface of the dustproof sealing plate is connected to a fixing ring, and the bottom of the fixing ring is connected to a rubber pad.

[0011] Preferably, positioning holes are provided on both sides of the top surface of the second flange, and the positioning rods are inserted into the positioning holes provided in the second flange.

[0012] Preferably, the rubber pad itself is made of elastic material, and the rubber pad is embedded in the frame and fits the surface of the lens.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The frame is positioned by inserting the frame into the groove provided in the first flange, and the positioning block is inserted into the positioning groove provided in the first flange. Then, one end of the threaded rod is passed through the through hole provided in the first flange and is rotatably connected to the threaded hole provided in the positioning block. The positioning block and the frame are limited. Then, the groove provided in the second flange is sleeved on the outer wall of the top end of the frame. The first flange and the second flange are connected and fixed by fixing bolts and nuts. A rubber ring is filled between the first flange and the second flange for buffering, thereby achieving the assembly effect of the frame and avoiding the problem of damage to the lens due to angle offset.

[0015] 2. The rubber pad connected to the bottom of the dustproof sealing plate through a fixing ring is embedded in the top of the frame, and the positioning rod is inserted into the positioning hole of the second flange. The dustproof sealing plate is positioned by the positioning rod. When the dustproof sealing plate drives the rubber pad to move, the elasticity of the rubber pad is used to fill and seal the gap, and the elasticity of the rubber pad is used to limit the dustproof sealing plate, thereby achieving dustproof treatment on the surface of the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a front view and cutaway perspective diagram of the structure of the utility model;

[0018] Figure 3 It is a schematic diagram of a side cutaway perspective view of the structure of the utility model;

[0019] Figure 4 It is a top view and a partially cutaway three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 5 It is a schematic diagram of a partially cutaway perspective view of the structure of the present invention.

[0021] In the figure: 1. pipe body; 2. first flange; 3. second flange; 4. fixing bolt; 5. nut; 6. frame; 7. lens; 8. positioning block; 9. threaded rod; 10. rubber ring; 11. positioning rod; 12. dustproof sealing plate; 13. fixing ring; 14. rubber pad. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5 , an embodiment provided by the utility model:

[0024] A new type of steel-lined tetrafluoroethylene sight glass, comprising a pipeline body 1:

[0025] A first flange 2 is connected to the top of the pipe body 1, a second flange 3 is arranged on the top of the first flange 2, a fixing bolt 4 is inserted inside the second flange 3, nuts 5 are rotatably connected to the outer walls of both ends of the fixing bolt 4, a frame 6 is inserted inside the second flange 3, a lens 7 is arranged on the inner surface of the frame 6, positioning blocks 8 are connected on both sides of the frame 6, a threaded rod 9 is rotatably connected inside the positioning block 8, and a rubber ring 10 is arranged on the top surface of the threaded rod 9. The internal material of the pipe body 1 is existing technology and can be purchased on the market. It is not a technical protection point of this application, and therefore, no excessive statements are made.

[0026] Furthermore, the first flange 2 and the second flange 3 are connected and limited by fixing bolts 4 and nuts 5, and grooves are provided on the top surface of the first flange 2 and the bottom surface of the second flange 3. The mirror frame 6 is inserted into the grooves provided in the first flange 2 and the second flange 3, so that the mirror frame 6 is limited by the grooves provided in the first flange 2 and the second flange 3.

[0027] Furthermore, positioning grooves are provided on both sides of the inner wall of the groove provided in the first flange 2 , and the positioning block 8 is inserted into the positioning groove provided in the first flange 2 , so that the positioning block 8 is positioned through the positioning groove provided in the first flange 2 .

[0028] Furthermore, a through hole is provided on one side of the inner wall of the positioning groove formed in the first flange 2, and a threaded hole is provided on the surface of the positioning block 8. One end of the threaded rod 9 passes through the through hole formed in the first flange 2 and is rotatably connected to the inside of the threaded hole formed in the positioning block 8, thereby limiting the positioning block 8 through the threaded rod 9.

[0029] Furthermore, positioning rods 11 are inserted into the inside of both sides of the top of the second flange 3, the top of the positioning rods 11 is connected to a dustproof sealing plate 12, the bottom surface of the dustproof sealing plate 12 is connected to a fixing ring 13, and the bottom of the fixing ring 13 is connected to a rubber pad 14, so that the lens 7 is protected from dust by the dustproof sealing plate 12 and the rubber pad 14.

[0030] Furthermore, positioning holes are provided on both sides of the top surface of the second flange 3 , and the positioning rod 11 is inserted into the positioning holes provided in the second flange 3 , so that the positioning rod 11 is positioned through the positioning holes provided in the second flange 3 .

[0031] Furthermore, the rubber pad 14 itself is configured to be made of elastic material, and the rubber pad 14 is embedded in the frame 6 and fits against the surface of the lens 7 , so that the surface of the lens 7 is protected by the rubber pad 14 .

[0032] Working principle: When assembling the steel-lined tetrafluoroethylene sight glass, the frame 6 is positioned by inserting the frame 6 into the groove opened in the first flange 2, and the positioning block 8 is inserted into the positioning groove opened in the first flange 2, and then one end of the threaded rod 9 is passed through the through hole opened in the first flange 2 and rotatably connected to the threaded hole opened in the positioning block 8, so as to limit the positioning block 8 and the frame 6, and then the groove opened in the second flange 3 is sleeved on the outer wall of the top end of the frame 6, and the first flange 2 and the second flange 3 are connected and fixed by fixing bolts 4 and nuts 5, and the rubber ring 10 is filled between the first flange 2 and the second flange 3 for buffering, thereby achieving the assembly effect of the frame 6.

[0033] When the steel-lined tetrafluoroethylene sight glass is subjected to dustproof treatment, the rubber pad 14 connected to the bottom end of the dustproof sealing plate 12 through the fixing ring 13 is embedded in the top of the frame 6, and the positioning rod 11 is inserted into the positioning hole opened in the second flange 3. The dustproof sealing plate 12 is positioned by the positioning rod 11, and while the dustproof sealing plate 12 drives the rubber pad 14 to move, the elasticity of the rubber pad 14 is used to fill and seal the gap, and the elasticity of the rubber pad 14 is used to limit the dustproof sealing plate 12, thereby achieving dustproof treatment on the surface of the lens 7.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A new type of steel-lined tetrafluoroethylene sight glass, comprising a pipeline body (1), characterized in that: The top end of the pipe body (1) is connected to a first flange (2), the top end of the first flange (2) is provided with a second flange (3), a fixing bolt (4) is inserted into the interior of the second flange (3), the outer walls of both ends of the fixing bolt (4) are rotatably connected with nuts (5), a mirror frame (6) is inserted into the interior of the second flange (3), a lens (7) is provided on the inner surface of the mirror frame (6), positioning blocks (8) are connected to both sides of the mirror frame (6), a threaded rod (9) is rotatably connected inside the positioning block (8), and a rubber ring (10) is provided on the top surface of the threaded rod (9).

2. A new type of steel-lined tetrafluoroethylene sight glass according to claim 1, characterized in that: The first flange (2) and the second flange (3) are connected and limited by fixing bolts (4) and nuts (5); grooves are provided on the top surface of the first flange (2) and the bottom surface of the second flange (3); and the mirror frame (6) is inserted into the grooves provided on the first flange (2) and the second flange (3).

3. A new type of steel-lined tetrafluoroethylene sight glass according to claim 1, characterized in that: Positioning grooves are provided on both sides of the inner wall of the groove formed by the first flange (2), and the positioning block (8) is inserted into the positioning groove formed by the first flange (2).

4. A new type of steel-lined tetrafluoroethylene sight glass according to claim 1, characterized in that: A through hole is provided on one side of the inner wall of the positioning groove formed in the first flange (2), a threaded hole is provided on the surface of the positioning block (8), and one end of the threaded rod (9) passes through the through hole formed in the first flange (2) and is rotatably connected to the inside of the threaded hole formed in the positioning block (8).

5. A new type of steel-lined tetrafluoroethylene sight glass according to claim 1, characterized in that: Positioning rods (11) are inserted into the interior of both sides of the top of the second flange (3); the top of the positioning rods (11) is connected to a dustproof sealing plate (12); the bottom surface of the dustproof sealing plate (12) is connected to a fixing ring (13); the bottom of the fixing ring (13) is connected to a rubber pad (14).

6. A new type of steel-lined tetrafluoroethylene sight glass according to claim 5, characterized in that: Positioning holes are provided on both sides of the top surface of the second flange (3), and the positioning rod (11) is inserted into the positioning holes provided in the second flange (3).

7. A new type of steel-lined tetrafluoroethylene sight glass according to claim 5, characterized in that: The rubber pad (14) itself is made of elastic material, and the rubber pad (14) is embedded in the interior of the frame (6) and fits against the surface of the lens (7).

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