CN216242822U - Flange with good sealing performance - Google Patents

Abstract

The utility model discloses a flange with good sealing performance, which comprises a first flange plate and a second flange plate, wherein a sealing gasket is bonded at the top of the first flange plate, the top of the sealing gasket is tightly attached to the bottom of the second flange plate, a sealing ring is integrally formed at the top of the sealing gasket, and a first ring groove matched with the sealing ring for use is formed at the bottom of the second flange plate. The sealing structure has the advantages that the sealing performance between the first flange plate and the second flange plate can be improved by arranging the sealing gasket, the sealing ring and the first ring groove, the sealing ring can be driven to move downwards by arranging the sleeve ring and the sealing ring, so that the sealing ring is inserted into the second ring groove, meanwhile, the sealing ring and the second ring groove can be tightly attached, the sealing performance between the first flange plate and the second flange plate is further improved, and the sealing structure has good sealing performance and has the advantage that water vapor in the air is not easy to enter the flange through the connecting part of the flange.

Description

Flange with good sealing performance

Technical Field

The utility model relates to the technical field of flanges, in particular to a flange with good sealing property.

Background

The flange is also called flange disc or flange, and the flange is a part for connecting the shaft and is used for connecting pipe ends; the flange is used for connecting two pieces of equipment, such as a speed reducer flange, a flange connection or a flange joint, and refers to a detachable connection which is formed by connecting a flange, a gasket and a bolt to form a group of combined sealing structures, a pipeline flange refers to a flange for piping in a pipeline device, and is used for connecting an inlet flange and an outlet flange of the equipment on the equipment, the flange is provided with holes, the bolt tightly connects the two flanges, the flanges are sealed by using a gasket, the flange is divided into a threaded connection flange, a welding flange and a clamping flange, the flanges are used in pairs, a low-pressure pipeline can use a threaded connection flange, the welding flange with pressure of more than four kilograms is used, a sealing gasket is added between the two flange plates, and then the two flange plates are fastened by using the bolt.

The flange is adopted to connect usually for current pipe connection, and current outdoor pipeline flange dust and rainwater are easy to stay in the lateral wall of flange, erode the outer wall of flange easily, and current flange leakproofness is not good, and steam in the air enters into the inside of flange through the junction of flange easily, causes the inside corrosion of flange, influences the life of flange, and we propose the flange that the leakproofness is good for this reason, solve above problem of proposing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flange with good sealing property, which has the advantages that the sealing property is good, and water vapor in the air is not easy to enter the flange through the joint of the flange, and solves the problems that the sealing property of the existing flange is poor, the water vapor in the air is easy to enter the flange through the joint of the flange, the inner part of the flange is corroded, and the service life of the flange is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a flange that leakproofness is good, includes first ring flange and second ring flange, the top of first ring flange bonds and has sealed the pad, the top of sealed pad is closely laminated with the bottom of second ring flange, the top integrated into one piece of sealed pad has the sealing washer, the first circle groove that the cooperation sealing washer used is seted up to the bottom of second ring flange, the top of sealing washer extends to the inner chamber in first circle groove, second circle groove has been seted up at the top of sealing washer, the top threaded connection of second ring flange has the lantern ring, the bottom fixedly connected with sealing ring of the lantern ring, the surface of sealing ring is pegged graft with the internal surface in second circle groove.

Preferably, the top of the second flange is in annular uniform threaded connection with a screw, the top of the first flange is in annular uniform threaded connection with a threaded hole matched with the screw, and the outer surface of the screw is in threaded connection with the inner surface of the threaded hole.

Preferably, a first sleeve is integrally formed at the bottom of the first flange, and a second sleeve is integrally formed at the top of the second flange.

Preferably, the top of the left side and the top of the right side of the lantern ring are fixedly connected with handles, and the outer surfaces of the handles are provided with anti-skidding threads.

Preferably, the top of the sealing gasket is annularly and uniformly provided with through holes, and the outer surface of the screw rod is in sliding connection with the inner surface of the through holes.

Preferably, the top of the screw is fixedly connected with a rotating handle, and the number of the screw is four.

Preferably, the thickness of the sealing gasket is 5mm, and the thickness of the sealing ring is 8 mm.

Compared with the prior art, the utility model has the following beneficial effects:

the sealing structure has the advantages that the sealing structure has good sealing performance, water vapor in the air is not easy to enter the flange through the connecting part of the flange, the problem that the existing flange has poor sealing performance, the water vapor in the air is easy to enter the flange through the connecting part of the flange, so that the corrosion in the flange is caused, and the service life of the flange is influenced is solved.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

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

fig. 4 is a perspective view of the seal ring and second groove structure of the present invention.

In the figure: 1. a first flange plate; 2. a second flange plate; 3. a gasket; 4. a seal ring; 5. a first ring groove; 6. a second ring groove; 7. a collar; 8. a seal ring; 9. a screw; 10. a threaded hole; 11. a first sleeve; 12. a second sleeve; 13. a handle; 14. a through hole; 15. and (7) rotating a handle.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a flange with good sealing performance comprises a first flange plate 1 and a second flange plate 2, a sealing gasket 3 is bonded on the top of the first flange plate 1, the top of the sealing gasket 3 is tightly attached to the bottom of the second flange plate 2, a sealing ring 4 is integrally formed on the top of the sealing gasket 3, a first ring groove 5 used in cooperation with the sealing ring 4 is formed in the bottom of the second flange plate 2, the top of the sealing ring 4 extends to an inner cavity of the first ring groove 5, a second ring groove 6 is formed in the top of the sealing ring 4, a lantern ring 7 is in threaded connection with the top of the second flange plate 2, a sealing ring 8 is fixedly connected to the bottom of the lantern ring 7, the outer surface of the sealing ring 8 is in plug-connection with the inner surface of the second ring groove 6, the sealing performance between the first flange plate 1 and the second flange plate 2 can be improved by arranging the sealing gasket 3, the sealing ring 4 and the first ring groove 5, and by arranging the lantern ring 7 and the sealing ring 8, can drive sealing ring 8 downstream, make sealing ring 8 insert in second circle groove 6, can also make simultaneously closely laminating between sealing ring 8 and the second circle groove 6, further improve the leakproofness between first ring flange 1 and the second ring flange 2, through setting up above structure, it is good to possess the leakproofness, and the steam in the air is difficult for entering into the advantage of the inside of flange through the junction of flange.

Specifically, the top of second ring flange 2 is the even threaded connection of annular has screw rod 9, and the top of first ring flange 1 is the screw hole 10 that the cooperation screw rod 9 used that the annular was evenly seted up, and the surface of screw rod 9 and the internal surface threaded connection of screw hole 10 can conveniently carry out fixed connection between first ring flange 1 and the second ring flange 2 through setting up screw rod 9 and screw hole 10.

Specifically, the bottom integrated into one piece of first ring flange 1 has first sleeve 11, and the top integrated into one piece of second ring flange 2 has second sleeve 12, through setting up first sleeve 11 and second sleeve 12, can conveniently connect first ring flange 1 and second ring flange 2 on the pipeline.

Specifically, the equal fixedly connected with handle 13 in top of the lantern ring 7 left and right sides, the surface of handle 13 is provided with anti-skidding line, through setting up handle 13 and anti-skidding line, can conveniently rotate the lantern ring 7.

Specifically, the top of the sealing gasket 3 is in an annular shape and is evenly provided with the through holes 14, the outer surface of the screw rod 9 is in sliding connection with the inner surface of the through holes 14, and the screw rod 9 can be conveniently moved by arranging the through holes 14.

Specifically, the top of the screw 9 is fixedly connected with a rotating handle 15, and the number of the screws 9 is four.

Specifically, the thickness of the sealing gasket 3 is 5mm, and the thickness of the sealing ring 4 is 8 mm.

When the sealing device is used, the first flange plate 1 and the second flange plate 2 are combined together, then the rotating handle 15 is rotated, the rotating handle 15 drives the screw rod 9 to rotate, the screw rod 9 is rotated into the threaded hole 10, the first flange plate 1 and the second flange plate 2 are installed, meanwhile, due to the design of the sealing gasket 3, the sealing ring 4 and the first ring groove 5, the sealing performance between the first flange plate 1 and the second flange plate 2 can be improved, then the handle 13 is rotated, the handle 13 drives the lantern ring 7 to rotate, the lantern ring 7 drives the sealing ring 8 to move downwards, the sealing ring 8 is inserted into the second ring groove 6, meanwhile, the sealing ring 8 is tightly attached to the second ring groove 6, and the sealing performance between the first flange plate 1 and the second flange plate 2 is further improved;

through setting up above structure, it is good to possess the leakproofness, and the steam in the air is difficult for entering into the inside advantage of flange through the junction of flange, and it is not good to have solved current flange leakproofness, and the steam in the air enters into the inside of flange through the junction of flange easily, causes the inside corrosion of flange, influences the life's of flange problem.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

It is noted that, herein, relational terms such as first and second, and the like may 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. Also, 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 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 (7)

1. The utility model provides a flange that leakproofness is good, includes first ring flange (1) and second ring flange (2), its characterized in that: the top of first ring flange (1) bonds and has sealed pad (3), the top of sealed pad (3) is closely laminated with the bottom of second ring flange (2), the top integrated into one piece who seals up pad (3) has sealing washer (4), first circle groove (5) that cooperation sealing washer (4) used are seted up to the bottom of second ring flange (2), the top of sealing washer (4) extends to the inner chamber in first circle groove (5), second circle groove (6) have been seted up at the top of sealing washer (4), the top threaded connection of second ring flange (2) has the lantern ring (7), the bottom fixedly connected with sealing ring (8) of the lantern ring (7), the surface of sealing ring (8) is pegged graft with the internal surface in second circle groove (6).

2. The flange with good sealing performance as claimed in claim 1, wherein: the top of second ring flange (2) is the even threaded connection of annular and has screw rod (9), the top of first ring flange (1) is the even screw hole (10) of seting up cooperation screw rod (9) and using of annular, the surface of screw rod (9) and the internal surface threaded connection of screw hole (10).

3. The flange with good sealing performance as claimed in claim 1, wherein: a first sleeve (11) is integrally formed at the bottom of the first flange plate (1), and a second sleeve (12) is integrally formed at the top of the second flange plate (2).

4. The flange with good sealing performance as claimed in claim 1, wherein: the top of the left side and the right side of the lantern ring (7) is fixedly connected with a handle (13), and anti-skidding lines are arranged on the outer surface of the handle (13).

5. The flange with good sealing performance as claimed in claim 2, wherein: the top of the sealing gasket (3) is annularly and uniformly provided with through holes (14), and the outer surface of the screw rod (9) is in sliding connection with the inner surface of the through holes (14).

6. The flange with good sealing performance as claimed in claim 2, wherein: the top of the screw rod (9) is fixedly connected with a rotating handle (15), and the number of the screw rods (9) is four.

7. The flange with good sealing performance as claimed in claim 1, wherein: the thickness of sealed pad (3) is 5mm, the thickness of sealing washer (4) is 8 mm.

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