CN215635570U

CN215635570U - Stainless steel lined double-insulation sealing element

Info

Publication number: CN215635570U
Application number: CN202122432780.5U
Authority: CN
Inventors: 蒋国型
Original assignee: Jiangsu Shun Long Pipe Industry Technology Co ltd
Current assignee: Jiangsu Shun Long Pipe Industry Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-01-25
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a stainless steel lining double-insulation sealing element, which relates to the technical field of sealing elements and comprises a first round pipe and a second round pipe, wherein the second round pipe is positioned on the right side of the first round pipe, flanges are fixedly connected to the outer surfaces of the first round pipe and the second round pipe, the opposite sides of the two flanges are fixedly connected with the two sides of a first sealing gasket respectively, the two flanges are fixedly connected through bolts, an insulation cover is connected to the outer surface of the first round pipe in a threaded manner, the inner wall of the insulation cover is movably connected with the surface of the flange, a second sealing gasket is fixedly connected to the outer surface of the first round pipe, and the left side of the inner wall of the insulation cover is movably connected with the left side of the second sealing gasket. By arranging the insulating cover, the inner thread plate, the circular ring and the second piston, the utility model solves the problems that the flange is damaged and loss is caused because the flange has larger volume, the flange joint is difficult to insulate and seal, and the interface is exposed outside for a long time and is easy to corrode.

Description

Stainless steel lined double-insulation sealing element

Technical Field

The utility model relates to the technical field of sealing elements, in particular to a stainless steel lined double-insulation sealing element.

Background

The lining stainless steel composite steel pipe is a thin-wall stainless steel pipe compounded on the inner wall of the steel pipe, the bimetal composite steel pipe greatly improves the corrosion resistance of the steel pipe in the processes of water transportation, hot water transportation, gas transportation, natural gas transportation and oil transportation, has smooth surface and small fluid resistance, maintains the advantages of high mechanical strength of the steel pipe, capability of adopting welding, flange connection and threaded connection and good sealing property.

The traditional stainless steel lined composite steel pipe generally uses flanges for butt joint, and because the flanges are large in size, the flange joint is not easy to insulate and seal, and the interface is exposed outside for a long time and is easy to corrode, so that the flanges are damaged, and loss is generated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stainless steel lined double-insulation sealing element which has the advantages of convenience in sealing and protecting flanges at the joint of steel pipes and convenience in installation and disassembly, and solves the problems that the flanges are damaged and loss is caused because the flanges are large in size, the joints of the flanges are difficult to insulate and seal, and the interfaces are exposed outside for a long time and are easy to corrode.

In order to realize the purposes of conveniently sealing and protecting the flanges at the joint of the steel pipes and conveniently installing and disassembling, the utility model provides the following technical scheme: the stainless steel lining double-insulation sealing piece comprises a first round pipe and a second round pipe, wherein the second round pipe is positioned on the right side of the first round pipe, the outer surfaces of the first round pipe and the second round pipe are fixedly connected with flanges, the opposite sides of the two flanges are respectively fixedly connected with the two sides of a first sealing gasket, the two flanges are fixedly connected through bolts, the outer surface of the first round pipe is in threaded connection with an insulation cover, the inner wall of the insulation cover is movably connected with the surface of the flange, the outer surface of the first round pipe is fixedly connected with a second sealing gasket, the left side of the inner wall of the insulation cover is movably connected with the left side of the second sealing gasket, the outer surface of the second round pipe is in threaded connection with an inner thread plate, the outer surface of the flange is movably connected with a round ring, a connecting mechanism is arranged between the inner thread plate and the round ring, and a first annular groove is formed in the right side of the insulation cover, the inner side surface and the outer side surface of the inner wall of the first ring groove are fixedly inlaid with first sealing rings, the inner walls of the two first sealing rings are fixedly connected with the surface of a first piston, the side surface of each ring movably penetrates through the first piston and is movably connected with the inner wall of the first ring groove, the outer surfaces of the first round pipe and the second round pipe are respectively movably sleeved with a first insulating sleeve and a second insulating sleeve, the inner walls of the first insulating sleeve and the second insulating sleeve are respectively fixedly inlaid with a second sealing ring, the side surfaces of the inner walls of the two second sealing rings are respectively fixedly connected with a second piston, the inner walls of the two second pistons are respectively movably connected with the surfaces of the first round pipe and the second round pipe, the opposite sides of the first insulating sleeve and the second insulating sleeve are respectively fixedly connected with a first fixing ring and a second fixing ring, the left side of the second fixing ring is fixedly connected with an insert rod, and the upper surface of the insert rod is provided with a clamping groove, the special-shaped groove has been seted up on first solid fixed ring's right side, the inserted bar activity is pegged graft in the inside in special-shaped groove, first solid fixed ring's upper surface activity is inlayed and is had the movable rod, first solid fixed ring and fixedly connected with fixture block are run through in the one end activity of movable rod, the surface activity of movable rod has cup jointed the spring, the one end of spring and the top fixed connection of special-shaped inslot wall, the other end of spring and the fixed surface of fixture block are connected, the surface of fixture block and the inner wall swing joint of draw-in groove.

As a preferable technical solution of the present invention, the connection mechanism includes a connection ring, a right side of the connection ring is fixedly connected to a left side of the internal thread plate, a second annular groove is formed in a right side of the circular ring, a third seal gasket is fixedly connected to the right side of the circular ring, a right side of the third seal gasket is movably connected to the left side of the internal thread plate, and a left end of the connection ring movably penetrates through the third seal gasket and is movably connected to an inner wall of the second annular groove.

As a preferred technical scheme of the utility model, the left side of the inner wall of the first annular groove is fixedly connected with a limiting rod, the left side of the connecting ring is provided with a limiting groove, and the limiting rod is movably inserted in the limiting groove.

As a preferred technical solution of the present invention, the inner wall of the second annular groove is fixedly connected with a limiting ring, the inner wall of the connecting ring is provided with a third annular groove, and the surface of the limiting ring is movably connected with the inner wall of the third annular groove.

In a preferred embodiment of the present invention, a ball is movably inserted into a left side of the connection ring, and a surface of the ball is movably connected to a left side of an inner wall of the second annular groove.

As a preferable technical scheme of the utility model, the fixture block is triangular, and the shape of the fixture block is matched with that of the clamping groove.

Compared with the prior art, the utility model provides a stainless steel lined double-insulation sealing element, which has the following beneficial effects:

1. when the stainless steel double-insulation sealing element with the lining is used, the left end of a first sealing gasket is inserted into a first circular tube firstly, then two flanges are butted, the right end of the first sealing gasket is inserted into a second circular tube, then the two flanges are fixedly connected by bolts, then the insulation cover is screwed on the threads on the surface of the first circular tube, the insulation cover covers the flanges, the second sealing gasket is abutted by the insulation cover, then the inner thread plate is screwed on the threads on the surface of the second circular tube, a limiting groove on the left side of the circular ring is aligned to a limiting rod fixed on the inner wall of the first circular groove, then the left side of the circular ring penetrates through a first piston, the limiting rod is inserted into the limiting groove, the third sealing gasket is abutted by the circular ring to form sealing to the flanges, the insulation cover and the inner thread plate only need to be screwed, and the circular ring penetrates through a second piston and is inserted into the first circular groove, make and form a sealed space between insulating lid, internal thread board and the ring three, reached the effect, solved because the volume of flange is great, the difficult insulating seal of flange joint department, the interface exposes outside for a long time, is corroded easily, causes the flange to damage, has produced the problem of loss.

2. This two insulating seal of inside lining stainless steel, through setting up the spacing ring, the third is sealed fills up, ball and go-between, make the fixed gag lever post of inner wall that the first ring channel was aimed at to the left spacing groove of ring, then first piston is passed in the left side of ring, the gag lever post inserts the spacing inslot, the ring is unable rotatory this moment, then when screwing up the internal thread board, the internal thread board moves the go-between at second ring channel internal rotation, the go-between passes through the perpendicular screen left motion of ball extrusion ring, the ring can not rotate when inserting second piston inside can effectually reduce the inside hole grow of ring when rotatory, it is not good to lead to sealed effect, the too big effect of hole fatigue strength that has reached and has prevented the piston inside.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the utility model at the location of the circle in FIG. 1;

FIG. 3 is an enlarged view of the structure of FIG. 2;

FIG. 4 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

FIG. 5 is a left side cross-sectional view of the stop collar of the present invention.

In the figure: 1. a first circular tube; 2. a second circular tube; 3. a flange; 4. a first gasket; 5. an insulating cover; 6. a second gasket; 7. an internally threaded plate; 8. a circular ring; 9. a connecting mechanism; 901. a connecting ring; 902. a second annular groove; 903. a third gasket; 10. a first annular groove; 11. a first seal ring; 12. a first piston; 13. a first insulating sleeve; 14. a second insulating sleeve; 15. a second seal ring; 16. a second piston; 17. a first retaining ring; 18. a second retaining ring; 19. inserting a rod; 20. a card slot; 21. a special-shaped groove; 22. a movable rod; 23. a spring; 24. a clamping block; 25. a limiting rod; 26. a limiting groove; 27. a limiting ring; 28. a third annular groove; 29. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the utility model discloses a stainless steel-lined double-insulation sealing element, which comprises a first circular tube 1 and a second circular tube 2, wherein the second circular tube 2 is positioned at the right side of the first circular tube 1, flanges 3 are fixedly connected to the outer surfaces of the first circular tube 1 and the second circular tube 2, the opposite sides of the two flanges 3 are respectively fixedly connected with the two sides of a first sealing gasket 4, the two flanges 3 are fixedly connected through bolts, an insulation cover 5 is in threaded connection with the outer surface of the first circular tube 1, the inner wall of the insulation cover 5 is movably connected with the surface of the flange 3, a second sealing gasket 6 is fixedly connected to the outer surface of the first circular tube 1, the left side of the inner wall of the insulation cover 5 is movably connected with the left side of the second sealing gasket 6, an inner thread plate 7 is in threaded connection with the outer surface of the second circular tube 2, and a circular ring 8 is movably connected to the outer surface of the flange 3, a connecting mechanism 9 is arranged between the inner thread plate 7 and the ring 8, a first ring groove 10 is arranged on the right side of the insulating cover 5, a first sealing ring 11 is fixedly embedded on the inner side surface and the outer side surface of the inner wall of the first ring groove 10, the inner wall of the first sealing ring 11 is fixedly connected with the surface of the first piston 12, the side surface of the ring 8 movably penetrates through the first piston 12 and is movably connected with the inner wall of the first ring groove 10, a first insulating sleeve 13 and a second insulating sleeve 14 are respectively movably sleeved on the outer surfaces of the first round pipe 1 and the second round pipe 2, a second sealing ring 15 is fixedly embedded on the inner wall of the first insulating sleeve 13 and the inner wall of the second insulating sleeve 14, a second piston 16 is fixedly connected with the side surface of the inner wall of the second sealing ring 15, and the inner wall of the second piston 16 is respectively movably connected with the surfaces of the first round pipe 1 and the second round pipe 2, the opposite sides of the first insulating sleeve 13 and the second insulating sleeve 14 are fixedly connected with a first fixing ring 17 and a second fixing ring 18 respectively, the left side of the second fixing ring 18 is fixedly connected with an insertion rod 19, the upper surface of the insertion rod 19 is provided with a clamping groove 20, the right side of the first fixing ring 17 is provided with a special-shaped groove 21, the insertion rod 19 is movably inserted into the special-shaped groove 21, the upper surface of the first fixing ring 17 is movably embedded with a movable rod 22, one end of the movable rod 22 movably penetrates through the first fixing ring 17 and is fixedly connected with a clamping block 24, the outer surface of the movable rod 22 is movably sleeved with a spring 23, one end of the spring 23 is fixedly connected with the top of the inner wall of the special-shaped groove 21, the other end of the spring 23 is fixedly connected with the surface of the clamping block 24, and the surface of the clamping block 24 is movably connected with the inner wall of the clamping groove 20.

Specifically, the connecting mechanism 9 includes a connecting ring 901, the right side of the connecting ring 901 is fixedly connected with the left side of the internal thread plate 7, the right side of the ring 8 is provided with a second annular groove 902, the right side of the ring 8 is fixedly connected with a third gasket 903, the right side of the third gasket 903 is movably connected with the left side of the internal thread plate 7, and the left end of the connecting ring 901 movably penetrates through the third gasket 903 and is movably connected with the inner wall of the second annular groove 902.

In this embodiment, prevent that ring 8 can not rotate when inserting first piston 12 is inside, the inside hole grow of first piston 12 leads to sealed effect not good when can the effectual reduction ring 8 is rotatory.

Specifically, a limiting rod 25 is fixedly connected to the left side of the inner wall of the first annular groove 10, a limiting groove 26 is formed in the left side of the connecting ring 901, and the limiting rod 25 is movably inserted into the limiting groove 26.

In this embodiment, the insertion of the limiting rod 25 into the limiting groove 26 can prevent the ring 8 from rotating along with the rotation of the internally threaded plate 7.

Specifically, a limiting ring 27 is fixedly connected to the inner wall of the second annular groove 902, a third annular groove 28 is formed in the inner wall of the connecting ring 901, and the surface of the limiting ring 27 is movably connected to the inner wall of the third annular groove 28.

In this embodiment, the connection ring 901 is connected to the internal thread plate 7 by the limit ring 27, so as to prevent the connection ring 901 and the internal thread plate 7 from falling off.

Specifically, the ball 29 is movably embedded in the left side of the connection ring 901, and the surface of the ball 29 is movably connected with the left side of the inner wall of the second annular groove 902.

In this embodiment, the balls 29 can reduce the friction of the connection ring 901 when pressing the inner wall of the second annular groove 902.

Specifically, the shape of the latch 24 is triangular, and the shape of the latch 24 is matched with the shape of the slot 20.

In this embodiment, the right-angle side of the locking block 24 can block the right-angle side 20 of the locking groove, and the inclined side of the locking block 24 cannot block the movable rod 22 from being inserted into the irregular groove 21.

The working principle and the using process of the utility model are as follows: when the sealing device is used, the left end of the first sealing gasket 4 is inserted into the first circular tube 1, then the two flanges 3 are butted, the right end of the first sealing gasket 4 is inserted into the second circular tube 2, then the two flanges 3 are fixedly connected by using bolts, then the insulating cover 5 is screwed on the threads on the surface of the first circular tube 1, the insulating cover 5 covers the flanges 3, the insulating cover 5 abuts against the second sealing gasket 6, then the internal thread plate 7 is screwed on the threads on the surface of the second circular tube 2, the limiting groove 26 on the left side of the circular ring 8 is aligned to the limiting rod 25 fixed on the inner wall of the first annular groove 10, then the left side of the circular ring 8 penetrates through the first piston 12, the limiting rod 25 is inserted into the limiting groove 26, at the moment, the circular ring 8 cannot rotate, then when the internal thread plate 7 is screwed, the internal thread plate 7 drives the connecting ring 901 to rotate in the second annular groove 902, the connecting ring 901 extrudes the circular ring 8 leftwards through the balls 29, when the ring 8 abuts against the inner wall of the special-shaped groove 21 tightly, the ring 8 abuts against the third sealing gasket 903 tightly to seal the flange 3, then the first insulating sleeve 13 and the second insulating sleeve 14 are respectively sleeved on the outer surfaces of the first round pipe 1 and the second round pipe 2, when two second pistons 16 are movably connected with the surfaces of the first round pipe 1 and the second round pipe 2, the movable rod 22 is inserted into the special-shaped groove 21 to extrude the fixture block 24 to ascend, the fixture block 24 ascends to drive the spring 23 to shorten and the insertion rod 19 to ascend, when the movable rod 22 moves to the fixture block 24 to align to the fixture groove 20, the spring 23 extends to drive the fixture block 24 to insert into the fixture groove 20, the first round pipe 1 and the second round pipe 2 are sealed in an insulating manner, and the effects of sealing the flange 3 when the device is used conveniently, tightness and convenience in installation and disassembly are achieved.

To sum up, this two insulating seal of inside lining stainless steel through setting up insulating cover 5, internal thread board 7, ring 8 and second piston 16, has solved because flange 3's volume is great, and the difficult insulating seal of flange 3 junction, the interface exposes outside for a long time, is corroded easily, causes flange 3 to damage, has produced the problem of loss.

It should be noted that, in this document, terms such as "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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Inside lining stainless steel double insulation sealing member, including first pipe (1) and second pipe (2), its characterized in that: the second round pipe (2) is positioned on the right side of the first round pipe (1), the outer surfaces of the first round pipe (1) and the second round pipe (2) are fixedly connected with flanges (3), two opposite sides of the flanges (3) are fixedly connected with two sides of a first sealing gasket (4) respectively, the flanges (3) are fixedly connected through bolts, the outer surface of the first round pipe (1) is connected with an insulating cover (5) in a threaded manner, the inner wall of the insulating cover (5) is movably connected with the surface of the flanges (3), the outer surface of the first round pipe (1) is fixedly connected with a second sealing gasket (6), the left side of the inner wall of the insulating cover (5) is movably connected with the left side of the second sealing gasket (6), the outer surface of the second round pipe (2) is connected with an inner thread plate (7), the outer surface of the flanges (3) is movably connected with a round ring (8), a connecting mechanism (9) is arranged between the inner thread plate (7) and the ring (8), a first ring groove (10) is formed in the right side of the insulating cover (5), a first sealing ring (11) is fixedly embedded in the inner side surface and the outer side surface of the inner wall of the first ring groove (10), the inner wall of the first sealing ring (11) is fixedly connected with the surface of the first piston (12), the side surface of the ring (8) penetrates through the first piston (12) and is movably connected with the inner wall of the first ring groove (10), a first insulating sleeve (13) and a second insulating sleeve (14) are movably sleeved on the outer surfaces of the first round pipe (1) and the second round pipe (2) respectively, a second sealing ring (15) is fixedly embedded in the inner wall of the first insulating sleeve (13) and the inner wall of the second insulating sleeve (14), and a second piston (16) is fixedly connected with the side surface of the inner wall of the second sealing ring (15), two the inner wall of second piston (16) respectively with the surface swing joint of first pipe (1) and second pipe (2), the opposite side difference fixedly connected with first solid fixed ring (17) and the solid fixed ring of second (18) of first insulating cover (13) and second insulating cover (14), the left side fixedly connected with inserted bar (19) of the solid fixed ring of second (18), draw-in groove (20) have been seted up to the upper surface of inserted bar (19), dysmorphism groove (21) have been seted up on the right side of first solid fixed ring (17), inserted bar (19) activity is pegged graft in the inside of dysmorphism groove (21), the activity of the upper surface of first solid fixed ring (17) is inlayed and is had movable rod (22), the one end activity of movable rod (22) is run through first solid fixed ring (17) and fixedly connected with fixture block (24), the surface activity of movable rod (22) is cup jointed spring (23), one end of the spring (23) is fixedly connected with the top of the inner wall of the special-shaped groove (21), the other end of the spring (23) is fixedly connected with the surface of the clamping block (24), and the surface of the clamping block (24) is movably connected with the inner wall of the clamping groove (20).

2. The lined stainless steel double insulated seal of claim 1, wherein: the connecting mechanism (9) comprises a connecting ring (901), the right side of the connecting ring (901) is fixedly connected with the left side of the inner thread plate (7), the right side of the circular ring (8) is provided with a second annular groove (902), the right side of the circular ring (8) is fixedly connected with a third sealing gasket (903), the right side of the third sealing gasket (903) is movably connected with the left side of the inner thread plate (7), and the left end of the connecting ring (901) movably penetrates through the third sealing gasket (903) and is movably connected with the inner wall of the second annular groove (902).

3. The lined stainless steel double insulated seal of claim 2, wherein: the left side of the inner wall of the first annular groove (10) is fixedly connected with a limiting rod (25), the left side of the connecting ring (901) is provided with a limiting groove (26), and the limiting rod (25) is movably inserted in the limiting groove (26).

4. The lined stainless steel double insulated seal of claim 2, wherein: the inner wall of the second annular groove (902) is fixedly connected with a limiting ring (27), the inner wall of the connecting ring (901) is provided with a third annular groove (28), and the surface of the limiting ring (27) is movably connected with the inner wall of the third annular groove (28).

5. The lined stainless steel double insulated seal of claim 2, wherein: the left side of the connecting ring (901) is movably embedded with a ball (29), and the surface of the ball (29) is movably connected with the left side of the inner wall of the second annular groove (902).

6. The lined stainless steel double insulated seal of claim 1, wherein: the fixture block (24) is triangular, and the shape of the fixture block (24) is matched with that of the fixture groove (20).