CN212407205U

CN212407205U - Flange connection sealing structure

Info

Publication number: CN212407205U
Application number: CN202020912309.9U
Authority: CN
Inventors: 张松
Original assignee: Wenzhou Songsheng Steel Co ltd
Current assignee: Wenzhou Songsheng Steel Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-01-26
Anticipated expiration: 2030-05-27

Abstract

The utility model relates to a flange technical field just discloses a flange joint seal structure, including lower flange and last flange, movable groove has been seted up to the top surface of lower flange, the inner chamber fixed mounting in movable groove has spring one, the top fixed mounting of spring one has the baffle, the top surface fixed mounting of baffle has sealed the pad, the joint groove has been seted up to the bottom surface of going up the flange, the mounting hole has all been seted up on the surface of lower flange and last flange. The utility model discloses with the bottom surface of lower flange and the top surface contact of upper flange, make sealed pad joint at the joint inslot, spring one provides ascending power for the baffle, make the baffle drive sealed pad card on the top of joint inslot chamber, sealed pad can take place deformation along with the dynamics increase of assembly when flange and upper flange under the installation, thereby it realizes sealedly to fill joint groove and activity groove, activity groove and joint groove are fixed sealed the position of filling up, avoid the sealing washer skew, the sealed effect of flange has been guaranteed.

Description

Flange connection sealing structure

Technical Field

The utility model relates to a flange technical field specifically is a flange joint seal structure.

Background

The flange is called as a flange for short, usually, a plurality of fixing holes are formed in the periphery of a metal body similar to a disc for connecting other objects, the flange is widely applied to machinery, most of the flanges are connected by bolts when in use, and a sealing structure is arranged in the flange for sealing a gap between the two flanges.

Most of existing flange sealing devices are sealed by placing sealing gaskets between flanges, the sealing gaskets are clamped by the two flange plates, however, the sealing gaskets or the sealing gaskets deviate from the centers of the flanges frequently in the operation process, and the sealing effect of the flanges is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a flange joint seal structure possesses and avoids the sealing washer skew, has guaranteed the advantage of the sealed effect of flange, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a flange joint seal structure, includes lower flange and upper flange, movable groove has been seted up to the top surface of lower flange, the inner chamber fixed mounting in movable groove has spring one, the top fixed mounting of spring one has the baffle, the top surface fixed mounting of baffle has sealed the pad, the joint groove has been seted up to the bottom surface of upper flange, the mounting hole has all been seted up on the surface of lower flange and upper flange.

Carefully, the mounting groove has been seted up to the bottom surface of upper flange, the top surface fixed mounting of mounting groove inner chamber has spring two, the bottom fixed mounting of spring two has the card axle, the spread groove has been seted up to the top surface of lower flange, the constant head tank has been seted up to the bottom surface of spread groove.

The section shape of the top end of the sealing gasket is triangular, the sealing gasket is movably connected to the inner cavity of the movable groove, and the top end of the sealing gasket is located above the lower flange.

The movable groove is composed of an upper ring and a lower ring, the width of the lower ring of the movable groove is five millimeters larger than that of the upper ring, and the diameter of the clamping groove is equal to that of the upper ring of the movable groove.

The fine selection, constant head tank and card axle are evenly divided into three, and three the interval between constant head tank and the card axle is one hundred twenty degrees, the bottom surface of card axle is located the below of upper flange bottom surface.

Carefully, the movable groove is located the inboard of spread groove, the spread groove is located the inboard of mounting hole.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a spring fixed mounting is in the inner chamber bottom of activity groove, when assembling, with the bottom surface of lower flange and the top surface contact of last flange, make sealed pad joint at the joint inslot, spring one provides ascending power for the baffle, make the baffle drive sealed pad card on the top of joint inslot chamber, flange and last flange can take place deformation along with the sealed pad of dynamics increase of assembly when installing, thereby it is sealed to fill joint groove and activity groove, activity groove and joint groove are fixed the position of sealed pad, avoid the sealing washer skew, the sealed effect of flange has been guaranteed.

2. The utility model discloses a card axle swing joint is in the mounting groove, when installing lower flange and last flange, with card axle card in the spread groove, through rotating lower flange or last flange, when the card axle rotated the top of constant head tank, the elasticity of spring two can drive card axle downstream, the joint is in the constant head tank in the twinkling of an eye, thereby fix a position the mounting hole on lower flange and the last flange, lower flange and last flange take place to rotate when avoiding connecting, facilitate the mounting hole that bolted connection lower flange and last flange surface were seted up.

Drawings

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

FIG. 2 is a schematic view of the structural gasket of the present invention in an exploded connection;

FIG. 3 is a schematic sectional view of the lower flange of the present invention;

FIG. 4 is a schematic view of the flange structure of the present invention;

fig. 5 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a lower flange; 2. an upper flange; 3. a movable groove; 4. a first spring; 5. a baffle plate; 6. a gasket; 7. a clamping groove; 8. mounting grooves; 9. a second spring; 10. clamping a shaft; 11. connecting grooves; 12. positioning a groove; 13. and (7) installing holes.

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.

Referring to fig. 1-5, a flange connection sealing structure includes a lower flange 1 and an upper flange 2, a mounting groove 8 is formed on the bottom surface of the upper flange 2, a second spring 9 is fixedly mounted on the top surface of the inner cavity of the mounting groove 8, a clamping shaft 10 is fixedly mounted at the bottom end of the second spring 9, a connecting groove 11 is formed on the top surface of the lower flange 1, the clamping shaft 10 is clamped in the connecting groove 11, by rotating the lower flange 1 or the upper flange 2, the connecting groove 11 fixes the positions of the lower flange 1 and the upper flange 2, so as to prevent the lower flange 1 and the upper flange 2 from sliding relatively when the lower flange 1 and the upper flange 2 are mounted, positioning grooves 12 are formed on the bottom surface of the connecting groove 11, the number of the positioning grooves 12 and the number of the clamping shafts 10 are three, the intervals between the three positioning grooves 12 and the clamping shafts 10 are all one hundred twenty degrees, the bottom surface of the clamping shaft 10 is located below the bottom surface, the elasticity of the second spring 9 can drive the clamping shaft 10 to move downwards and be instantly clamped in the positioning groove 12, so that the mounting holes 13 on the lower flange 1 and the upper flange 2 are positioned, the lower flange 1 and the upper flange 2 are prevented from rotating during connection, the mounting holes 13 formed in the surfaces of the lower flange 1 and the upper flange 2 are conveniently connected by bolts, the top surface of the lower flange 1 is provided with a movable groove 3, the movable groove 3 and the clamping groove 7 are used for fixing the position of the sealing gasket 6 and preventing the deviation of a sealing ring, the sealing effect of the flange is ensured, the movable groove 3 is positioned at the inner side of the connecting groove 11, the connecting groove 11 is positioned at the inner side of the mounting hole 13, the movable groove 3 is composed of an upper ring and a lower ring, the width value of the lower ring of the movable groove 3 is five millimeters larger than that of the upper ring, the diameter value of the clamping groove 7 is equal to that of the upper ring of the movable groove 3, the movable groove 3, the device prevents the sealing gasket 6 from sliding out of the device from the upper part of the lower flange 1, the sealing gasket 6 is prevented from falling off, the inner cavity of the movable groove 3 is fixedly provided with a spring I4, the spring I4 provides upward force for the baffle 5, the baffle 5 drives the sealing gasket 6 to be clamped at the top end of the inner cavity of the clamping groove 7, the sealing gasket 6 deforms along with the increase of the assembling force when the lower flange 1 and the upper flange 2 are installed, the clamping groove 7 and the movable groove 3 are filled to realize sealing, the baffle 5 is fixedly arranged at the top end of the spring I4, the sealing gasket 6 is fixedly arranged on the top surface of the baffle 5, the cross section of the top end of the sealing gasket 6 is triangular, the sealing gasket 6 is prevented from interfering with the clamping groove 7 when being inserted into the clamping groove 7, the sealing gasket 6 is more smooth when being inserted into the clamping groove 7, the practicability of the device is improved, the top of sealed pad 6 is located the top of lower flange 1, and joint groove 7 has been seted up to the bottom surface of upper flange 2, and sealed 6 joints of pad are in joint groove 7, and spring 4 provides ascending power for baffle 5, makes baffle 5 drive sealed 6 cards of pad at the top of joint groove 7 inner chamber, and mounting hole 13 has all been seted up on the surface of lower flange 1 and upper flange 2.

The working principle is as follows: when in use, the clamping shaft 10 is movably connected in the mounting groove 8, when the lower flange 1 and the upper flange 2 are mounted, the clamping shaft 10 is clamped in the connecting groove 11, the lower flange 1 or the upper flange 2 is rotated, when the clamping shaft 10 rotates to the position above the positioning groove 12, the elasticity of the spring II 9 can drive the clamping shaft 10 to move downwards and be instantly clamped in the positioning groove 12, so that the mounting holes 13 on the lower flange 1 and the upper flange 2 are positioned, the rotation of the lower flange 1 and the upper flange 2 during connection is avoided, the mounting holes 13 formed in the surfaces of the lower flange 1 and the upper flange 2 are conveniently connected by bolts, after the lower flange 1 and the upper flange 2 are connected by the clamping shaft 10, the lower flange 1 and the upper flange are fixedly mounted at the bottom of the inner cavity of the movable groove 3 through the spring I4, the sealing gasket 6 is clamped in the clamping groove 7, the spring I4 provides upward force for the baffle 5, so that the baffle 5 drives the sealing gasket 6 to be clamped, the sealed pad 6 of packing can take place deformation along with the dynamics increase of assembly when flange 1 and last flange 2 under the installation, thereby it is sealed to fill joint groove 7 and activity groove 3, and activity groove 3 and joint groove 7 are fixed the position of sealed pad 6, avoid the sealing washer skew, have guaranteed the sealed effect of flange.

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. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flange joint seal structure, includes lower flange (1) and last flange (2), its characterized in that: activity groove (3) have been seted up to the top surface of lower flange (1), the inner chamber fixed mounting of activity groove (3) has spring (4), the top fixed mounting of spring (4) has baffle (5), the top surface fixed mounting of baffle (5) has sealed pad (6), joint groove (7) have been seted up to the bottom surface of upper flange (2), mounting hole (13) have all been seted up on the surface of lower flange (1) and upper flange (2).

2. A flange connection seal structure according to claim 1, wherein: mounting groove (8) have been seted up to the bottom surface of upper flange (2), the top surface fixed mounting of mounting groove (8) inner chamber has spring two (9), the bottom fixed mounting of spring two (9) has card axle (10), spread groove (11) have been seted up to the top surface of lower flange (1), constant head tank (12) have been seted up to the bottom surface of spread groove (11).

3. A flange connection seal structure according to claim 1, wherein: the cross-sectional shape on sealed pad (6) top is triangle-shaped, sealed pad (6) swing joint is in the inner chamber of activity groove (3), the top of sealed pad (6) is located the top of lower flange (1).

4. A flange connection seal structure according to claim 1, wherein: the movable groove (3) is composed of an upper ring and a lower ring, the width value of the lower ring of the movable groove (3) is five millimeters larger than that of the upper ring, and the diameter value of the clamping groove (7) is equal to that of the upper ring of the movable groove (3).

5. A flange connection seal structure according to claim 2, wherein: the positioning grooves (12) and the clamping shafts (10) are evenly three, the interval between the positioning grooves (12) and the clamping shafts (10) is one hundred twenty degrees, and the bottom surfaces of the clamping shafts (10) are located below the bottom surfaces of the upper flanges (2).

6. A flange connection seal structure according to claim 1, wherein: the movable groove (3) is located on the inner side of the connecting groove (11), and the connecting groove (11) is located on the inner side of the mounting hole (13).