CN212251595U

CN212251595U - Sealing structure with annular sealing rubber pad

Info

Publication number: CN212251595U
Application number: CN202020250236.1U
Authority: CN
Inventors: 高学芬
Original assignee: Tianjin Xinjuyuan Valve Manufacturing Co ltd
Current assignee: Tianjin Xinjuyuan Valve Manufacturing Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-12-29
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a seal structure of belt ring shape sealing rubber pad, including first connecting piece, the inboard bottom of first connecting piece and the inboard top of second connecting piece all are provided with the third recess, it fills up all to be provided with the second in the third recess, first connecting piece middle part bottom and second connecting piece middle part top all are provided with the second recess, all be provided with first sealed the pad in the second recess, all be provided with bolt and bolt in first through-hole and the second through-hole and run through threaded connection has the nut behind first through-hole and the second through-hole. The utility model discloses in, through the sealed multiple sealing that realizes flange joint department of sealing washer and first sealed pad and second, sealed effect is better to compress tightly each other and connect through first connecting piece and second connecting piece, also can compress tightly sealing washer, first sealed pad and the sealed pad of second, the leakproofness that makes to seek blue junction is better, is worth wideling popularize.

Description

Sealing structure with annular sealing rubber pad

Technical Field

The utility model relates to a seal structure technical field especially relates to a take annular sealing rubber pad seal structure.

Background

The flange connection structure is a detachable joint which is used for fixing two pipelines, pipe fittings or equipment on a flange plate respectively, adding a flange pad between the two flange plates and finally tightening the two flange plates by bolts to tightly combine the two flange plates.

When flange connection structures are used on some precise vacuum equipment or instruments, the sealing performance of flange connection positions needs to be guaranteed, but the traditional flange connection sealing structure is only formed by additionally arranging a sealing ring between two mutually connected flanges and then pressing and connecting the two flanges through bolts, and the sealing performance is extremely poor, so that air leakage and air leakage of the vacuum equipment or the instruments are easily caused, the equipment or the instruments are damaged, and great economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sealing structure with an annular sealing rubber pad.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a seal structure of belt ring shape sealing rubber pad, includes first connecting piece, first connecting piece bottom is provided with the second connecting piece corresponding with first connecting piece, upper portion is provided with first flange in first connecting piece and the second connecting piece, lower part is provided with the second flange corresponding with first flange in first connecting piece and the second connecting piece, the inboard bottom of first connecting piece and the inboard top of second connecting piece all are provided with the third recess, all be provided with the second sealed pad in the third recess, first connecting piece middle part bottom and second connecting piece middle part top all are provided with the second recess, all be provided with the first sealed pad in the second recess, first connecting piece outside edge position is provided with a plurality of first through-hole and runs through both ends about first connecting piece, second connecting piece outside edge position is provided with a plurality of second through-hole corresponding with first through-hole and second through-hole and runs through two upper and lower ends of second connecting piece And the first through hole and the second through hole are internally provided with bolts, and the bolts penetrate through the first through hole and the second through hole and then are in threaded connection with nuts.

As a further description of the above technical solution:

the top of the first flange is fixedly connected with a first pipeline.

As a further description of the above technical solution:

and the bottom of the second flange is fixedly connected with a second pipeline.

As a further description of the above technical solution:

first recess all is provided with at first flange bottom and second flange top.

As a further description of the above technical solution:

a sealing ring is arranged in the first groove.

As a further description of the above technical solution:

and a first gasket is arranged at the contact position of the upper part of the bolt and the top of the first connecting piece.

As a further description of the above technical solution:

and a second gasket is arranged at the contact position of the top of the nut and the bottom of the second connecting piece.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first overlap first connecting piece on first pipeline and overlap the second connecting piece on the second pipeline, then place the sealing washer in the first recess, place first sealed the pad in the second recess, place the sealed pad of second in the third recess, then aim at first flange and second flange and overlap first connecting piece and second connecting piece on first flange and second flange and also aim at, then compress tightly first connecting piece and second connecting piece each other and connect with bolt and nut, just so can realize the multiple sealing of flange joint through sealing washer and first sealed pad and the sealed pad of second, sealed effect is better.

2. The utility model discloses in, compress tightly each other and connect first connecting piece and second connecting piece through bolt and nut, and then compress tightly first flange and second flange each other, also compress tightly sealing washer, first sealed pad and the sealed pad of second simultaneously, make the leakproofness of seeking blue junction better, prevent that gas leakage, the damage that the phenomenon of mixing of gases leads to from appearing in equipment or instrument, very big reduction economic loss, be worth wideling popularize.

Drawings

Fig. 1 is a schematic structural view of a sealing structure with an annular sealing rubber pad provided by the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Illustration of the drawings:

1. a first connecting member; 2. a second connecting member; 3. a first conduit; 4. a first flange; 5. a second conduit; 6. a second flange; 7. a first groove; 8. a seal ring; 9. a second groove; 10. a first gasket; 11. a third groove; 12. a second gasket; 13. a bolt; 14. a first gasket; 15. a first through hole; 16. a second through hole; 17. a second gasket; 18. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a sealing structure with an annular sealing rubber gasket comprises a first connecting piece 1, wherein a second connecting piece 2 corresponding to the first connecting piece 1 is arranged at the bottom of the first connecting piece 1, a first flange 4 is arranged at the upper part in the first connecting piece 1 and the second connecting piece 2, a second flange 6 corresponding to the first flange 4 is arranged at the lower part in the first connecting piece 1 and the second connecting piece 2, third grooves 11 are respectively arranged at the bottom of the inner side of the first connecting piece 1 and the top of the inner side of the second connecting piece 2, second sealing gaskets 12 are respectively arranged in the third grooves 11, second grooves 9 are respectively arranged at the bottom of the middle part of the first connecting piece 1 and the top of the middle part of the second connecting piece 2, first sealing gaskets 10 are respectively arranged in the second grooves 9, and when the first connecting piece 1 and the second connecting piece 2 are connected with each other, the sealing performance of the contact positions between the first connecting piece 1 and the second connecting piece 2 and the first flange 4 and the second flange 6 is maintained by the first sealing, the outer edge position of the first connecting piece 1 is provided with a plurality of first through holes 15, the first through holes 15 penetrate through the upper end and the lower end of the first connecting piece 1, the outer edge position of the second connecting piece 2 is provided with a plurality of second through holes 16 corresponding to the first through holes 15, the second through holes 16 penetrate through the upper end and the lower end of the second connecting piece 2, bolts 13 are arranged in the first through holes 15 and the second through holes 16, the bolts 13 penetrate through the first through holes 15 and the second through holes 16 and are in threaded connection with nuts 18, the first connecting piece 1 and the second connecting piece 2 can be mutually compressed and connected together, further the first flange 4 and the second flange 6 are mutually compressed, meanwhile, the sealing ring 8, the first sealing gasket 10 and the second sealing gasket 12 can be compressed, and the sealing performance of the connecting part is better.

The top of the first flange 4 is fixedly connected with a first pipeline 3, the bottom of the second flange 6 is fixedly connected with a second pipeline 5, in addition, the bottom of the first flange 4 and the top of the second flange 6 are both provided with a first groove 7, a sealing ring 8 is arranged in the first groove 7, the sealing ring 8 can keep the sealing performance of the joint when the first flange 4 and the second flange 6 are connected with each other, the upper part of the bolt 13 and the top contact position of the first connecting piece 1 are provided with a first gasket 14, the top of the nut 18 and the bottom contact position of the second connecting piece 2 are provided with a second gasket 17, and the first gasket 14 and the second gasket 17 can reduce the abrasion between the bolt 13 and the nut 18 and the first connecting piece 1 and the second connecting piece 2.

The working principle is as follows: firstly, a first connecting piece 1 is sleeved on a first pipeline 3, a second connecting piece 2 is sleeved on a second pipeline 5, then a sealing ring 8 is placed in a first groove 7, a first sealing gasket 10 is placed in a second groove 9, a second sealing gasket 12 is placed in a third groove 11, then a first flange 4 and a second flange 6 are aligned with each other, the sealing ring 8 keeps the sealing performance of the connecting part when the first flange 4 and the second flange 6 are connected with each other, then the first connecting piece 1 and the second connecting piece 2 are sleeved on the first flange 4 and the second flange 6 and aligned, when the first connecting piece 1 and the second connecting piece 2 are connected with each other through the first sealing gasket 10 and the second sealing gasket 12, the sealing performance of the contact positions between the first connecting piece 1 and the second connecting piece 2 and the first flange 4 and the second flange 6 is kept, then a bolt 13 passes through a first through hole 15 and a second through hole 16 and is connected with a nut 18 in a threaded mode, the first connecting piece 1 and the second connecting piece 2 are pressed and connected with each other, so that the first flange 4 and the second flange 6 are also pressed with each other, and the sealing ring 8, the first sealing gasket 10 and the second sealing gasket 12 can be pressed at the same time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a seal structure of belt ring shape sealing rubber pad, includes first connecting piece (1), its characterized in that: the connecting structure is characterized in that a second connecting piece (2) corresponding to the first connecting piece (1) is arranged at the bottom of the first connecting piece (1), a first flange (4) is arranged on the upper portion of the first connecting piece (1) and the upper portion of the second connecting piece (2), a second flange (6) corresponding to the first flange (4) is arranged on the lower portion of the first connecting piece (1) and the lower portion of the second connecting piece (2), third grooves (11) are formed in the bottom of the inner side of the first connecting piece (1) and the top of the inner side of the second connecting piece (2), second sealing gaskets (12) are arranged in the third grooves (11), second grooves (9) are formed in the bottom of the middle of the first connecting piece (1) and the top of the middle of the second connecting piece (2), first sealing gaskets (10) are arranged in the second grooves (9), a plurality of first through holes (15) are formed in the edge position of the outer side of the first connecting piece (1), and the first through holes (15) penetrate through the And the outer edge of the second connecting piece (2) is provided with a plurality of second through holes (16) corresponding to the first through holes (15), the second through holes (16) penetrate through the upper end and the lower end of the second connecting piece (2), and bolts (13) are arranged in the first through holes (15) and the second through holes (16) and are connected with nuts (18) in a threaded manner after the bolts (13) penetrate through the first through holes (15) and the second through holes (16).

2. The sealing structure with the annular sealing rubber gasket of claim 1, characterized in that: the top of the first flange (4) is fixedly connected with a first pipeline (3).

3. The sealing structure with the annular sealing rubber gasket of claim 1, characterized in that: and the bottom of the second flange (6) is fixedly connected with a second pipeline (5).

4. The sealing structure with the annular sealing rubber gasket of claim 1, characterized in that: and the bottom of the first flange (4) and the top of the second flange (6) are both provided with a first groove (7).

5. The sealing structure with the annular sealing rubber gasket of claim 4, characterized in that: and a sealing ring (8) is arranged in the first groove (7).

6. The sealing structure with the annular sealing rubber gasket of claim 1, characterized in that: and a first gasket (14) is arranged at the contact position of the upper part of the bolt (13) and the top of the first connecting piece (1).

7. The sealing structure with the annular sealing rubber gasket of claim 1, characterized in that: and a second gasket (17) is arranged at the contact position of the top of the nut (18) and the bottom of the second connecting piece (2).