Isostatic pressing negative pressure polytetrafluoroethylene tube

Abstract

The utility model belongs to the technical field of teflon pipes, and particularly relates to an isostatic pressing negative pressure teflon pipe which comprises a straight pipe, a mounting mechanism is arranged on the straight pipe, the mounting mechanism comprises a supporting assembly and a connecting assembly, the supporting assembly comprises a disc connected to the straight pipe in a sliding mode, and the disc is provided with a set of first sliding grooves; a first sliding block is slidably connected into the first sliding groove, the first sliding block is connected with the groove wall of the first sliding groove through a first spring, the first sliding block is in threaded connection with a threaded rod through a threaded hole, and a supporting column is fixedly connected to the top of the threaded rod; the disc is provided with an adjusting assembly used for adjusting the positions of the first sliding blocks so as to solve the problems that due to the fact that the pipeline length of a static pressure tetrafluoro straight pipe is large, a mounting flange cannot be conveniently in butt joint with a mounting flange on a pipeline when the straight pipe is mounted, a worker cannot keep supporting and tightening a bolt for a long time, and the working efficiency is high. The installation efficiency is low; and the installation error is easy to occur.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of four fluorine pipe, specifically is a kind of isostatic pressure negative pressure four fluorine pipe. BACKGROUND

[0002] Steel lining polytetrafluoroethylene pipeline and fittings enjoy the reputation of "plastic king", with excellent temperature resistance and corrosion resistance, it is ideal to transport equipment of nitric acid, sulfuric acid, hydrofluoric acid, phosgene, chlorine, aqua regia, mixed acid, bromide and other organic solvents and other strong corrosive media, steel lining four fluorine pipeline and fittings can be stably operated in high temperature limit negative pressure condition for a long time, solve the shortcomings that previous steel lining four fluorine pipeline and fittings cannot resist negative pressure, and have been widely used in many distillation and other high temperature and high negative pressure systems.

[0003] In the prior art, the static pressure four fluorine straight pipe has a relatively long pipeline length, which makes the installation flange of the straight pipe inconvenient to be connected with the installation flange on the pipeline during installation, and the staff cannot support and tighten the bolt for a long time, resulting in low installation efficiency and prone to installation errors.

[0004] Therefore, the utility model provides a kind of isostatic pressure negative pressure four fluorine pipe. UTILITY MODEL CONTENTS

[0005] To make up for the deficiencies of the prior art, the problem of the static pressure four fluorine straight pipe due to its own pipeline length being relatively long, which makes the installation flange of the straight pipe inconvenient to be connected with the installation flange on the pipeline during installation, and the staff cannot support and tighten the bolt for a long time, resulting in low installation efficiency and prone to installation errors.

[0006] The utility model solves the technical scheme that the utility model discloses a kind of isostatic pressure negative pressure four fluorine pipe, including straight pipe, installation mechanism is arranged on the straight pipe, and the installation mechanism includes:

[0007] Supporting assembly, including the sliding connection of disc on straight pipe, a group of first sliding grooves are opened on the disc, first sliding block is slidably connected in the first sliding groove, and first sliding block is connected with the first sliding groove groove wall by first spring, threaded rod is connected by screw hole thread on the first sliding block, support column is fixedly connected at the top of threaded rod, adjusting assembly for adjusting the position of a group of first sliding blocks is arranged on the disc;

[0008] Clamping component, setting on disc for fixing the position of disc.

[0009] Preferably, the adjusting assembly includes a semicircular block fixed to the first sliding block, an annular groove is opened on the outer circular wall of the disc, a rotating ring is slidably connected in the annular groove, and a group of extrusion blocks are fixedly connected to the bottom of the rotating ring.

[0010] Preferably, the disc bottom is fixedly connected with a first fixing block, the first fixing block is provided with a first clamping hole, the rotating ring is fixedly connected with a second fixing block, and the second fixing block is provided with a second clamping hole.

[0011] Preferably, the clamping assembly comprises a support pipe fixedly connected to the disc top, the straight pipe is fixedly connected with a support ring, the support pipe is fixedly connected with a pair of L-shaped blocks, and the L-shaped blocks are provided with second sliding grooves in the transverse side walls.

[0012] Preferably, the second sliding grooves are slidably connected with second sliding blocks, the second sliding blocks are fixedly connected with support blocks at the top, and the support blocks are connected with the vertical side walls of the L-shaped blocks through second springs.

[0013] Preferably, the support column comprises a pair of circular blocks and a connecting rod, the pair of circular blocks are fixedly connected at both ends of the connecting rod, and the circular block close to the top of the threaded rod among the pair of circular blocks is fixedly connected to the top of the threaded rod.

[0014] The utility model discloses the beneficial effect is as follows:

[0015] 1. The utility model relates to an isostatic pressure negative pressure four fluorine pipe, and a set of first sliding block is adjusted through the adjusting component, can extrude a pair of flanges that need to be connected, the threaded rod is set up, and the support column can adjust the distance between the straight pipe and the flange that need to be connected, makes two flanges contact, lets staff tighten the bolt, thereby can solve the prior art, the static pressure four fluorine straight pipe because its own pipeline length is longer, leads to the straight pipe when installing installation flange not convenient with the installation flange on the pipeline butt joint, and staff can not keep supporting and tighten the bolt for a long time, leads to the problem of low installation efficiency and easy installation error.

[0016] 2. The utility model relates to an isostatic pressure negative pressure four fluorine pipe, and the support pipe is supported to the support ring through the support ring, and the support pipe is supported at the top of the support ring through the support block, that is, the position of the disc can be firmly fixed, so that staff can stably tighten the bolt, after completing bolt installation, two support blocks can be pulled, and the fixing structure is released, the whole installation mechanism can be taken down, the operation is flexible, and the utility model can be repeatedly used. ACCURACY OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings.

[0018] Figure 1 It is the perspective view of the utility model;

[0019] Figure 2 It is the extrusion block schematic view in the utility model;

[0020] Figure 3 is the support block schematic view in the utility model,

[0021] Figure 4 is the rotating ring schematic view in the utility model,

[0022] In the drawing: 1, straight pipe; 2, disc; 3, first sliding groove; 4, first sliding block; 5, threaded rod; 6, support column; 7, semicircle block; 8, annular groove; 9, rotating ring; 10, extrusion block; 11, first fixed block; 12, first clamping hole; 13, second fixed block; 14, second clamping hole; 15, support pipe; 16, support ring; 17, L-shaped block; 18, second sliding groove; 19, second sliding block; 20, support block; 21, circular block; 22, connecting rod. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As shown in Figures 1 to 4 The utility model discloses a kind of isostatic pressing negative pressure tetrafluoro pipe, including straight pipe 1, installation mechanism is provided on the straight pipe 1, the installation mechanism includes: support assembly, including the disc 2 of sliding connection on straight pipe 1, a group of first sliding grooves 3 are opened in the disc 2, first sliding block 4 is slidably connected in the first sliding groove 3, and first sliding block 4 is connected with the groove wall of first sliding groove 3 by first spring, threaded rod 5 is connected in screw hole on the first sliding block 4 by screw thread, support column 6 is fixedly connected at the top of threaded rod 5, adjusting assembly for adjusting the position of a group of first sliding block 4 is provided on the disc 2;Clamping position assembly is arranged on disc 2 for fixing the position of disc 2.

[0025] When working, a group of first sliding block 4 is adjusted by the adjusting assembly set, can extrude a pair of flanges needing to be connected, threaded rod 5 can make support column 6 adjust the distance between straight pipe 1 and the flange needing to be connected, so that the two flanges contact, and staff tighten bolt.

[0026] So it can solve the problem in the prior art that static pressure tetrafluoro straight pipe 1 is long in its own pipeline length, which leads to the difficulty of butt joint between installation flange and pipeline installation flange when installing straight pipe 1, staff cannot support and tighten bolt for a long time, resulting in low installation efficiency and prone to installation error.

[0027] The adjusting assembly includes semicircle block 7 fixedly connected on the first sliding block 4, annular groove 8 is opened on the outer circular wall of disc 2, rotating ring 9 is slidably connected in the annular groove 8, and a group of circular blocks 21 are fixedly connected at the bottom of rotating ring 9.

[0028] In operation, by rotating the rotating ring 9, the rotating ring 9 drives the extrusion block 10 to extrude the semicircular block 7, so that a group of first sliding blocks 4 can move, thereby enabling the support column 6 to move, and the plurality of support columns 6 can extrude the two flanges to be connected, so that the positions of the pair of flanges correspond, thereby improving the stability effect.

[0029] The first fixed block 11 is fixedly connected to the bottom of the disc 2, the first fixed block 11 is provided with a first clamping hole 12, the second fixed block 13 is fixedly connected to the rotating ring 9, and the second fixed block 13 is provided with a second clamping hole 14.

[0030] In operation, by setting the second fixed block 13 and the first fixed block 11, the pin can be inserted into the first clamping hole 12 and the second clamping hole 14 for clamping, so that the position of the rotating ring 9 is fixed, and the worker can concentrate on tightening the bolt, thereby improving the efficiency.

[0031] The clamping assembly comprises a support pipe 15 fixedly connected to the top of the disc 2, a support ring 16 fixedly connected to the straight pipe 1, a pair of L-shaped blocks 17 fixedly connected to the support pipe 15, and a second sliding groove 18 formed in the transverse side wall of the L-shaped block 17.

[0032] The second sliding groove 18 is slidably connected with a second sliding block 19, the top of the second sliding block 19 is fixedly connected with a support block 20, and the side wall of the support block 20 is connected with the vertical side wall of the L-shaped block 17 through a second spring.

[0033] In operation, the support pipe 15 is supported by the support ring 16 and the support block 20 on the top of the support ring 16, so that the position of the disc 2 is firmly fixed, and the worker can stably tighten the bolt. After the bolt installation is completed, the two support blocks 20 are pulled to release the fixing structure, and the entire installation mechanism can be removed. The operation is flexible and can be reused.

[0034] The support column 6 comprises a pair of circular blocks 21 and a connecting rod 22, the pair of circular blocks 21 are respectively fixedly connected to the two ends of the connecting rod 22, and the circular block 21 close to the top of the threaded rod 5 among the pair of circular blocks 21 is fixedly connected to the top of the threaded rod 5.

[0035] In operation, the support column 6 is composed of a pair of circular blocks 21 and a connecting rod, so that when the threaded rod 5 rotates, no matter how the circular block 21 and the threaded rod 5 rotate, they can be supported on the flanges to be connected.

[0036] Working principle: a set of first sliding blocks 4 are adjusted through the adjusting assembly, a pair of flanges to be connected can be extruded, the distance between the straight pipe 1 and the flanges to be connected can be adjusted through the threaded rod 5, the two flanges are contacted, and the worker can tighten the bolt.

[0037] Therefore, the problem that in the prior art, the static pressure fluorine straight pipe 1 is inconvenient to be connected with the installation flange on the pipeline due to the long length of the pipeline itself, the worker cannot support and tighten the bolt for a long time, and thus the installation efficiency is low and installation errors are prone to occur can be solved.

[0038] The second fixed block 13 and the first fixed block 11 are arranged, the first clamping hole 12 and the second clamping hole 14 are inserted into the bolt, the position of the rotating ring 9 is fixed, the worker can concentrate on tightening the bolt, and the efficiency is improved.

[0039] The support pipe 15 is supported by the support ring 16 and the support block 20, the position of the disc 2 is fixed, the worker can stably tighten the bolt, after the bolt is installed, the two support blocks 20 are pulled to release the fixing structure, the whole installation mechanism can be taken down, the operation is flexible, and the installation mechanism can be repeatedly used.

[0040] The support column 6 is composed of a pair of circular blocks 21 and a connecting piece, so that when the threaded rod 5 rotates, the circular blocks 21 can be supported on the flanges to be connected regardless of the rotation of the threaded rod 5.

[0041] The above front, rear, left, right, top and bottom are based on the drawings of the specification Figure 1 The front of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and the like.

[0042] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore it cannot be understood as a limitation on the protection scope of the utility model.

[0043] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An isostatic negative pressure tetrafluoroethylene tube comprising a straight tube (1), characterized in that: The straight pipe (1) is provided with a mounting mechanism, the mounting mechanism comprises: Supporting assembly, including the disc (2) that the straight pipe (1) is slidably connected, a group of first sliding grooves (3) are set up in the disc (2), the first sliding block (4) is slidably connected in the first sliding groove (3), and the first sliding block (4) is connected with the first sliding groove (3) groove wall by first spring, the first sliding block (4) is screwedly connected with threaded rod (5) by screw hole, the supporting column (6) is fixedly connected to the top of the threaded rod (5), the disc (2) is provided with the adjusting assembly for adjusting the position of a group of first sliding blocks (4); The clamping component is arranged on the disc (2) and is used for fixing the position of the disc (2).

2. The isostatic negative pressure PTFE tube of claim 1, wherein: The adjusting assembly comprises a semicircular block (7) fixedly connected to the first sliding block (4), an annular groove (8) is formed in the outer circular wall of the disc (2), a rotating ring (9) is slidably connected in the annular groove (8), and a plurality of extrusion blocks (10) are fixedly connected to the bottom of the rotating ring (9).

3. The isostatic negative pressure PTFE tube of claim 2, wherein: The first fixed block (11) is fixedly connected to the bottom of the disc (2), the first fixed block (11) is provided with a first clamping hole (12), the second fixed block (13) is fixedly connected to the rotating ring (9), and the second fixed block (13) is provided with a second clamping hole (14).

4. The isostatic negative pressure PTFE tube of claim 1, wherein: The clamping component comprises a supporting pipe (15) fixedly connected to the top of the disc (2), a supporting ring (16) is fixedly connected to the straight pipe (1), a pair of L-shaped blocks (17) are fixedly connected to the supporting pipe (15), and a second sliding groove (18) is formed in the transverse side wall of the L-shaped block (17).

5. The isostatic negative pressure PTFE tube of claim 4, wherein: The second sliding groove (18) is slidably connected with a second sliding block (19), and the second sliding block (19) is fixedly connected with a supporting block (20) at the top. The supporting block (20) is connected with the vertical side wall of the L-shaped block (17) through the second spring.

6. The isostatic negative pressure PTFE tube of claim 1, wherein: The supporting column (6) comprises a pair of circular blocks (21) and a connecting rod (22), and the connecting rod (22) is fixedly connected to the top of the threaded rod (5).

Images