CN211779533U - Connecting device for stainless steel pipe fittings - Google Patents

Abstract

The utility model discloses a connecting device for stainless steel pipe fittings, comprising an outer sleeve, wherein the outer sleeve is a flat tubular structure, the inner wall of the outer sleeve is fixedly connected with a partition plate, and the inner wall of the outer sleeve is fixedly connected with a cone The inner wall of the conical sealing ring is slidably connected with a fixed pipe body, and one end of the fixed pipe body is overlapped with the side surface of the partition plate, and one end of the outer sleeve is fixedly connected with a circular truncated pipe. The inner wall overlaps the surface of the conical sealing ring. The connection device of the stainless steel pipe fittings is provided with an outer sleeve, a partition plate, a conical sealing ring, a circular truncated tube and a hexagonal locking block, so that the rotation of the hexagonal locking block drives the circular truncated tube to shrink inwardly and squeezes the conical sealing ring. Therefore, the fixed pipe body is quickly fixed and sealed, and the fixed pipe body can be quickly taken out by reversely rotating the hexagonal locking block, so that the maintenance and disassembly of the connection device of the stainless steel pipe fitting is simpler and more convenient.

Description

A connection device for stainless steel pipe fittings

technical field

The utility model relates to the technical field of pipeline connection, in particular to a connection device for stainless steel pipe fittings.

Background technique

A pipeline is a device for conveying gas, liquid or fluid with solid particles connected by pipes, pipe joints and valves.

The stainless steel pipe connection method is to weld the stainless steel pipe and the flange together first, and then fix the flanges at both ends together to connect. During maintenance, the stainless steel pipe and the flange are welded together, which makes it difficult to disassemble.

Therefore, we propose a connection device for stainless steel pipe fittings.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a connecting device for stainless steel pipe fittings, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a connection device for stainless steel pipe fittings, comprising an outer sleeve, the outer sleeve is a flat tubular structure, the inner wall of the outer sleeve is fixedly connected with a partition, the The inner wall of the outer sleeve is fixedly connected with a conical sealing ring, the inner wall of the conical sealing ring is slidably connected with a fixed pipe body, and one end of the fixed pipe body is overlapped with the side surface of the partition plate, and one end of the outer sleeve is fixedly connected with a fixed pipe body. The circular truncated tube, the inner wall of the circular truncated tube overlaps with the surface of the conical sealing ring, the surface of the circular truncated tube is provided with a threaded groove, and the surface of the threaded groove is threadedly connected with a hexagonal locking block.

Preferably, one end of the outer sleeve away from the truncated truncated tube is fixedly connected with the hemispherical shell, and one end of the outer sleeve penetrates the surface of the hemispherical shell and extends to the inner wall of the hemispherical shell.

Preferably, a sealing gasket is fixedly connected to the inner wall of the hemispherical shell, and the material of the sealing gasket is polytetrafluoroethylene, the inner wall of the sealing gasket is rotatably connected with a rotating sphere, and the surface of the rotating sphere is fixedly connected with a connection The surface of the rotating sphere is provided with a through hole adapted to the connecting pipe.

Preferably, a connecting flange is fixedly connected to one end of the connecting pipe away from the rotating sphere.

Preferably, three rectangular through grooves are formed on the surface of the circular truncated tube, and the peripheral surfaces of the three rectangular through grooves are equidistantly arranged on the surface of the circular truncated tube.

Preferably, the inner wall of the conical sealing ring is provided with a snap groove, and the material of the conical sealing ring is EPDM rubber.

beneficial effect

The utility model provides a connecting device for stainless steel pipe fittings, which has the following beneficial effects:

1. The connection device of the stainless steel pipe fittings is provided with an outer casing, a partition plate, a conical sealing ring, a circular truncated tube and a hexagonal locking block, so that the rotation of the hexagonal locking block can drive the circular truncated tube to shrink inwardly and squeeze the conical sealing ring. Therefore, the fixed pipe body is quickly fixed and sealed, and the fixed pipe body can be quickly taken out by reversely rotating the hexagonal locking block, so that the maintenance and disassembly of the connecting device of the stainless steel pipe fitting is simpler and more convenient.

2. The connection device of the stainless steel pipe fittings is provided with a hemispherical shell, a rotating sphere and a sealing gasket, so that the connecting flange can be freely rotated, so that when the pipe is installed, the flanges at both ends can still be fixed firmly if there is an angular deviation, so that the pipe can be fixed firmly. installation is more convenient.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

2 is a schematic diagram of the front section of the utility model;

FIG. 3 is a schematic three-dimensional structure diagram of a circular truncated tube.

In the figure: 1 outer casing, 2 partition plate, 3 conical sealing ring, 4 fixed tube body, 5 round table tube, 6 hexagonal locking block, 7 hemispherical shell, 8 sealing gasket, 9 rotating sphere, 10 connecting tube, 11 connecting flange, 12 rectangular through groove.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a connecting device for stainless steel pipe fittings, comprising an outer sleeve 1, the outer sleeve 1 is a flat tubular structure, and the inner wall of the outer sleeve 1 is fixedly connected with a partition 2 , the inner wall of the outer casing 1 is fixedly connected with a conical sealing ring 3, the inner wall of the conical sealing ring 3 is provided with a slot, and the material of the conical sealing ring 3 is EPDM rubber, and the molecular structure of EPDM rubber is No polar substituent, low molecular cohesion energy, molecular chain can maintain flexibility in a wide range, so it has excellent elasticity and can still be maintained at low temperature.

The inner wall of the conical sealing ring 3 is slidably connected with the fixed pipe body 4, and one end of the fixed pipe body 4 is overlapped with the side surface of the partition plate 2, and one end of the outer sleeve 1 is fixedly connected with a circular truncated pipe 5, and the inner wall of the circular truncated pipe 5 is connected with the cone. The surface of the seal ring 3 overlaps.

One end of the outer sleeve 1 away from the truncated truncated tube 5 is fixedly connected with a hemispherical casing 7 , and one end of the outer sleeve 1 penetrates the surface of the hemispherical casing 7 and extends to the inner wall of the hemispherical casing 7 .

The inner wall of the hemispherical shell 7 is fixedly connected with a sealing gasket 8, and the material of the sealing gasket 8 is polytetrafluoroethylene. The mechanical properties of polytetrafluoroethylene are relatively soft, with high lubricity and weather resistance, and good sealing performance. The inner wall of the pad 8 is rotatably connected with a rotating ball 9 , the surface of the rotating ball 9 is fixedly connected with a connecting pipe 10 , and the surface of the rotating ball 9 is provided with a through hole adapted to the connecting pipe 10 , and the connecting pipe 10 is away from the end of the rotating ball 9 . The connection flange 11 is fixedly connected. By setting the hemispherical shell 7, the rotating ball 9 and the gasket 8, it is convenient for the connection flange 11 to rotate freely, so that when the pipeline is installed, the flanges at both ends can still be fixed if there is an angular deviation Firm, thus making the installation of the pipe more convenient.

The surface of the circular truncated tube 5 is provided with a threaded groove, and the surface of the threaded groove is threadedly connected with a hexagonal locking block 6. The surface of the circular truncated tube 5 is provided with three rectangular through grooves 12, and the three rectangular through grooves 12 are arranged at equal distances on the circumferential surface. On the surface of the truncated truncated tube 5, by arranging the outer sleeve 1, the partition plate 2, the conical sealing ring 3, the truncated truncated tube 5 and the hexagonal locking block 6, it is convenient for the rotation of the hexagonal locking block 6 to drive the truncated truncated tube 5 to shrink inward, and Squeeze the conical sealing ring 3 to quickly fix and seal the fixed pipe body 4, and reversely rotate the hexagonal locking block 6 to quickly remove the fixed pipe body 4, which makes the maintenance and disassembly of the connection device of the stainless steel pipe fitting easier and more convenient.

Working principle: When using the connection device of the stainless steel pipe fittings, first insert the fixed pipe body 4 into the conical sealing ring 3, and press against the partition plate 2, and then turn the hexagonal locking block 6, so that the round table pipe 5 shrinks and squeezes Press the conical sealing ring 3 to fix the fixed pipe body 4, and then fix the connecting flange 11 and the connecting flange 11 of another pipe fitting together. When the sealing surfaces of the two connecting flanges 11 are not parallel, lock the In the process of tightening the bolts, the rotating ball 9 rotates on the inner wall of the hemispherical shell 7, and automatically adjusts the optimal fixing angle. When removing the steel pipe, rotate the hexagonal locking block 6 in the opposite direction and pull out the fixing pipe body 4. By using The connection device of the stainless steel pipe makes the maintenance and disassembly of the stainless steel pipe simpler and more convenient.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The connecting device for the stainless steel pipe fittings comprises an outer sleeve (1), and is characterized in that: the utility model discloses a quick-witted, including outer tube (1), inner wall fixedly connected with baffle (2) of outer tube (1), the inner wall fixedly connected with taper seal ring (3) of outer tube (1), the inner wall sliding connection of taper seal ring (3) has fixed pipe body (4), and the side overlap joint of the one end of fixed pipe body (4) and baffle (2), the one end fixedly connected with round platform pipe (5) of outer tube (1), the inner wall of round platform pipe (5) and the surface overlap joint of taper seal ring (3), the thread groove has been seted up on the surface of round platform pipe (5), and the surface threaded connection of this thread groove has hexagonal latch segment (6).

2. The device for connecting stainless steel pipes according to claim 1, wherein: one end fixedly connected with hemisphere casing (7) that round platform pipe (5) was kept away from in outer tube (1), and the inner wall of hemisphere casing (7) is run through on the surface of hemisphere casing (7) and extends to in the one end of outer tube (1).

3. A stainless steel pipe fitting connecting device according to claim 2, wherein: the inner wall fixedly connected with of hemisphere casing (7) seals up (8), and the material that seals up (8) is polytetrafluoroethylene, the inner wall of sealed pad (8) rotates and is connected with and rotates spheroid (9), the fixed surface who rotates spheroid (9) is connected with connecting pipe (10), the through-hole with connecting pipe (10) looks adaptation is seted up on the surface that rotates spheroid (9).

4. A stainless steel pipe fitting connecting device according to claim 3, wherein: and one end of the connecting pipe (10) far away from the rotating sphere (9) is fixedly connected with a connecting flange (11).

5. The device for connecting stainless steel pipes according to claim 1, wherein: three rectangular through grooves (12) are formed in the surface of the circular truncated cone pipe (5), and the peripheral surfaces of the three rectangular through grooves (12) are arranged on the surface of the circular truncated cone pipe (5) at equal intervals.

6. The device for connecting stainless steel pipes according to claim 1, wherein: the inner wall of the conical sealing ring (3) is provided with a clamping groove, and the conical sealing ring (3) is made of ethylene propylene diene monomer.

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