Explosion-proof connecting device for polytetrafluoroethylene pipe

Abstract

The utility model discloses a polytetrafluoroethylene pipe explosion-proof connecting device which comprises a first polytetrafluoroethylene pipe body and a second polytetrafluoroethylene pipe body, a first connecting reinforcing seat is fixedly installed at the end of the first polytetrafluoroethylene pipe body, and a second connecting reinforcing seat is fixedly installed at the end of the second polytetrafluoroethylene pipe body. Two annular inserting grooves are formed in the inner side wall of the first connection reinforcing seat, two inserting rings are arranged on the inner side wall of the second connection reinforcing seat, and sealing rings are fixedly mounted at the ends, away from the second connection reinforcing seat, of the two inserting rings correspondingly; and connecting flanges are fixedly mounted on the first connecting reinforcing seat and the second connecting reinforcing seat. When the first teflon pipe body and the second teflon pipe body are connected, the two inserting rings are inserted into the two annular inserting grooves respectively, so that the sealing performance of connection of the first teflon pipe body and the second teflon pipe body is enhanced, and the joint of the first teflon pipe body and the second teflon pipe body is not prone to leakage or burst.

Description

TECHNICAL FIELD

[0001] The utility model relates to four fluorine pipe technical field, concretely is four fluorine pipe explosion -proof connecting device. BACKGROUND

[0002] Four fluorine pipe, also called polytetrafluoroethylene pipe (PTFE pipe), is a kind of high-performance plastic pipe material, which is polymerized from tetrafluoroethylene monomer, and is suitable for high-temperature strong corrosive gas and liquid, other types of steel plastic composite pipe and metal pipe are not suitable for conveying medium, steel polytetrafluoroethylene composite pipe is applicable. In addition, steel polyvinyl fluoride composite pipe is suitable for conveying corrosive medium at-40 DEG C~+150 DEG C.

[0003] The existing four fluorine pipe is sealed at the connecting portion by sealing gasket, but the sealing gasket is easy to be damaged due to corrosion, aging and other factors after long-term use, so that the conveying medium is easy to seep out from the connecting portion, and explosion may occur due to excessive conveying pressure, to solve the above problems, the utility model provides a four fluorine pipe explosion -proof connecting device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a four fluorine pipe explosion -proof connecting device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a four fluorine pipe explosion -proof connecting device, comprising:

[0006] The first four fluorine pipe body and the second four fluorine pipe body are fixedly installed with the first connecting reinforcing seat at the end, and the second connecting reinforcing seat is fixedly installed at the end, two annular insertion grooves are formed on the inner side wall of the first connecting reinforcing seat, two insertion rings are arranged on the inner side wall of the second connecting reinforcing seat, a sealing ring is fixedly installed at the end of the two insertion rings away from the second connecting reinforcing seat, the two insertion rings are respectively inserted in the two annular insertion grooves, the first connecting reinforcing seat and the second connecting reinforcing seat are fixedly installed with connecting flanges, the two connecting flanges are locked by a plurality of fastening bolts, the first four fluorine pipe body is provided with a first protective cover, and the second four fluorine pipe body is provided with a second protective cover.

[0007] Preferably, the first protective cover is slidably connected to the first four fluorine pipe body, the second protective cover is slidably connected to the second four fluorine pipe body, and the first protective cover is threadedly connected to the second protective cover.

[0008] Preferably, annular mounting grooves are formed on the outer side walls of the first connecting reinforcing seat and the second connecting reinforcing seat, and rubber sealing gaskets are fixedly installed in the annular mounting grooves.

[0009] Preferably, a pair of rotating blocks are fixedly bonded on the first protective cover and the second protective cover.

[0010] Preferably, the two insertion rings are integrally formed with the second connecting reinforcing seat.

[0011] Compared with the prior art, the four-fluorine tube explosion-proof connecting device has the following beneficial effects:

[0012] 1. When the first four-fluorine tube body and the second four-fluorine tube body are connected, the two insertion rings are respectively inserted into the two annular insertion grooves to enhance the sealing performance of the connection between the first four-fluorine tube body and the second four-fluorine tube body, so that the connection between the first four-fluorine tube body and the second four-fluorine tube body is not prone to leakage or explosion.

[0013] 2. The first protective cover and the second protective cover can protect the plurality of fastening bolts that lock the two connecting flanges, avoid rusting of the fastening bolts, and avoid the problem that the fastening bolts are not easy to disassemble after rusting. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A four-fluorine tube explosion-proof connecting device is provided.

[0015] Figure 2 A four-fluorine tube explosion-proof connecting device is provided.

[0016] Figure 3 A four-fluorine tube explosion-proof connecting device is provided. Figure 2 An enlarged structure diagram of position A in the middle.

[0017] In the figure: 1, first four-fluorine tube body; 2, second four-fluorine tube body; 3, first connecting reinforcing seat; 4, second connecting reinforcing seat; 5, annular insertion groove; 6, insertion ring; 7, sealing ring; 8, connecting flange; 9, fastening bolt; 10, first protective cover; 11, second protective cover; 12, annular mounting groove; 13, rubber sealing pad; 14, rotating block. DETAILED DESCRIPTION

[0018] 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. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-3 The present application provides a technical solution: a four-fluorine tube explosion-proof connecting device, comprising:

[0020] The first tetrafluoro tube body 1 is fixedly installed with a first connecting reinforcing seat 3 at the end, the second tetrafluoro tube body 2 is fixedly installed with a second connecting reinforcing seat 4 at the end, the inner side wall of the first connecting reinforcing seat 3 is provided with two annular plug-in grooves 5, the inner side wall of the second connecting reinforcing seat 4 is provided with two plug-in rings 6, one end of the two plug-in rings 6 away from the second connecting reinforcing seat 4 is fixedly installed with a sealing ring 7, the two plug-in rings 6 are respectively plug-in in the two annular plug-in grooves 5, the first connecting reinforcing seat 3 and the second connecting reinforcing seat 4 are fixedly installed with a connecting flange 8, the two connecting flanges 8 are locked through a plurality of fastening bolts 9, the first tetrafluoro tube body 1 is provided with a first protective cover 10, and the second tetrafluoro tube body 2 is provided with a second protective cover 11.

[0021] The first protective cover 10 is slidably connected on the first tetrafluoro tube body 1, the second protective cover 11 is slidably connected on the second tetrafluoro tube body 2, the first protective cover 10 is threadedly connected with the second protective cover 11, and the first protective cover 10 and the second protective cover 11 are slidably connected on the first tetrafluoro tube body 1 and the second tetrafluoro tube body 2 respectively, so that when the two connecting flanges 8 are installed and locked, the first protective cover 10 and the second protective cover 11 can slide away from the connecting flanges 8, and the fastening bolts 9 on the connecting flanges 8 are conveniently installed.

[0022] The outer side wall of the first connecting reinforcing seat 3 and the second connecting reinforcing seat 4 is provided with an annular mounting groove 12, and the annular mounting groove 12 is fixedly installed with a rubber sealing pad 13, so that the rubber sealing pad 13 can be sealed when the first protective cover 10 and the second protective cover 11 are threadedly connected, and water is prevented from entering the inner cavities of the first protective cover 10 and the second protective cover 11 to corrode the fastening bolts 9.

[0023] The first protective cover 10 and the second protective cover 11 are fixedly bonded with a pair of rotating blocks 14, and the rotating blocks 14 can be used for screwing the first protective cover 10 and the second protective cover 11.

[0024] The two plug-in rings 6 are integrally formed with the second connecting reinforcing seat 4.

[0025] Working principle: when the first tetrafluoro tube body 1 and the second tetrafluoro tube body 2 are connected, the two plug-in rings 6 are respectively plug-in in the two annular plug-in grooves 5 to strengthen the sealing performance of the connection of the first tetrafluoro tube body 1 and the second tetrafluoro tube body 2, so that the connection of the first tetrafluoro tube body 1 and the second tetrafluoro tube body 2 is not prone to leakage or bursting, the first protective cover 10 and the second protective cover 11 can protect the plurality of fastening bolts 9 locking the two connecting flanges 8, the fastening bolts 9 are prevented from rusting, and the subsequent disassembly problem of the fastening bolts 9 due to rusting is avoided.

[0026] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A four-fluorine pipe explosion-proof connection device, characterized by, Include: First four fluorine pipe body (1) and second four fluorine pipe body (2), the first four fluorine pipe body (1) end head is fixedly installed with first connection reinforcing seat (3), the second four fluorine pipe body (2) end head is fixedly installed with second connection reinforcing seat (4), the inner side wall of first connection reinforcing seat (3) is opened with two annular insertion slots (5), the inner side wall of second connection reinforcing seat (4) is provided with two insertion rings (6), the end of two insertion rings (6) away from second connection reinforcing seat (4) is fixedly installed with sealing ring (7), two insertion rings (6) are respectively inserted in two annular insertion slots (5), first connection reinforcing seat (3) and second connection reinforcing seat (4) are fixedly installed with connection flange (8), two connection flanges (8) are locked by the multiple fastening bolts (9) of setting, first four fluorine pipe body (1) is provided with first protective cover (10), second four fluorine pipe body (2) is provided with second protective cover (11).

2. A four-fluoropolymer tube explosion-proof connecting device according to claim 1, characterized in that: The first protective cover (10) is slidably connected on the first four fluorine pipe body (1), the second protective cover (11) is slidably connected on the second four fluorine pipe body (2), the first protective cover (10) is threadedly connected with the second protective cover (11).

3. A four-fluoropolymer tube explosion-proof connecting device according to claim 1, characterized in that: The outer side wall of first connection reinforcing seat (3) and second connection reinforcing seat (4) is opened with annular mounting groove (12), the annular mounting groove (12) is fixedly installed with rubber sealing pad (13).

4. A four-fluoropolymer tube explosion-proof coupling device according to claim 1, characterized in that: The first protective cover (10) and the second protective cover (11) are fixedly bonded with a pair of swivels (14).

5. A four-fluoropolymer tube explosion-proof coupling device according to claim 1, characterized in that: Two insertion rings (6) are integrally formed with second connection reinforcing seat (4).

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