CN218625455U

CN218625455U - Sealing sleeve matched with butterfly valve plate

Info

Publication number: CN218625455U
Application number: CN202222076525.6U
Authority: CN
Inventors: 叶建; 叶晖武; 周浩; 何铁桥
Original assignee: Wenzhou Debang Polymer Technology Co ltd
Current assignee: Wenzhou Debang Polymer Technology Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-03-14
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to a seal cover with supporting use of butterfly valve plate, including the seal cover body, be equipped with the mounting hole on the seal cover body and be used for installing the installation cavity of valve plate, installation cavity inner wall both sides have the spacing bulge loop of inside arch, form the mounting groove that is used for installing the valve plate between spacing bulge loop and the spacing bulge loop, equidistant first sealed bulge loop that is equipped with on the mounting groove inner wall, equidistant second sealed bulge loop that is equipped with on the seal cover body and the sealed outer wall of the valve pocket inner wall sealing contact of butterfly valve. The utility model discloses a set up first sealed bulge loop and the sealed bulge loop of second on the mounting groove inner wall of seal cover and seal cover outer wall to form the sealed face of multichannel confined, still can be fine when meetting the valve pocket inner wall of unevenness and valve plate outer wall play sealed effect, improved the sealing performance and the reliability of butterfly valve greatly.

Description

Sealing sleeve matched with butterfly valve plate

Technical Field

The utility model relates to a sealing member technical field, concretely relates to seal cover with supporting use of butterfly valve plate.

Background

The sealing between the valve plate and the valve cavity of the butterfly valve is divided into hard sealing and soft sealing, wherein the soft sealing is mainly a sealing sleeve made of rubber, when in use, the sealing sleeve is sleeved on the valve plate, and the sealing sleeve moves along with the valve plate to realize the opening and closing of the valve, such as the sealing element of the soft sealing butterfly valve of the petroleum valve disclosed in the application number 201420830280.4. The sealing surface between the sealing sleeve and the valve plate and the sealing surface between the sealing sleeve and the valve cavity are both of plane smooth structures, when the end surfaces of the valve plate and the valve cavity are not flat, the sealing performance between the sealing sleeve and the valve plate and the valve cavity can be reduced, especially, leakage is easy to occur in a high-pressure state, and the sealing performance and reliability of the butterfly valve are greatly reduced.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides a seal cover with supporting use of butterfly valve plate.

The utility model adopts the technical proposal that: the utility model provides a seal cover with supporting use of butterfly valve plate, includes the seal cover body, be equipped with the mounting hole on the seal cover body and be used for installing the installation cavity of valve plate, installation cavity inner wall both sides have inside bellied spacing bulge loop, form the mounting groove that is used for installing the valve plate between spacing bulge loop and the spacing bulge loop, equidistant first sealed bulge loop that is equipped with on the mounting groove inner wall, equidistant second sealed bulge loop that is equipped with on the sealed outer wall of seal cover body and the sealed contact of the valve pocket inner wall of butterfly valve, sealed outer wall both sides are equipped with the spigot surface of inside both sides slope.

Further, the angle a of the inclination of the guide surface is 55-65 degrees.

Furthermore, an internal thread is arranged in the mounting hole.

Furthermore, the sections of the first sealing convex ring and the second sealing convex ring are of semicircular structures.

Furthermore, a buffer groove is arranged below the guide surface.

Furthermore, the seal sleeve body is integrally formed and made of tetrafluoroethylene rubber.

The utility model has the advantages that: the utility model discloses a set up first sealed bulge loop and the sealed bulge loop of second on the mounting groove inner wall of seal cover and seal cover outer wall to form the sealed face of multichannel confined, still can be fine when meetting the valve pocket inner wall of unevenness and valve plate outer wall play sealed effect, improved the sealing performance and the reliability of butterfly valve greatly.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages.

The present invention will be described in further detail with reference to the drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of the present invention.

In FIGS. 1-2: 1. a seal cartridge body; 2. mounting holes; 3. a mounting cavity; 4. a limit convex ring; 5. mounting grooves; 6. a first sealing convex ring; 7. a second sealing convex ring; 8. a guide surface; 9. a tilt angle; 10. an internal thread; 11. a buffer tank.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

The utility model provides a seal cover which is used with the butterfly valve plate.

In this embodiment, refer to fig. 1-2, this seal cover with supporting use of butterfly valve plate, including seal cover body 1, be equipped with mounting hole 2 on the seal cover body and be used for installing the installation cavity 3 of valve plate, installation cavity inner wall both sides have inside bellied spacing bulge loop 4, form the mounting groove 5 that is used for installing the valve plate between spacing bulge loop and the spacing bulge loop, equidistant first sealed bulge loop 6 that is equipped with on the mounting groove inner wall, the seal cover body is equipped with second sealed bulge loop 7 on the equidistant sealed outer wall with the valve cavity inner wall sealing contact of butterfly valve.

Among the above-mentioned technical scheme, through set up first sealed bulge loop and the sealed bulge loop of second on the mounting groove inner wall of seal cover and seal cover outer wall to form multichannel confined sealed face, still can be fine when meetting the valve pocket inner wall of unevenness and valve plate outer wall play sealed effect, improved the sealing performance and the reliability of butterfly valve greatly.

Wherein, the mounting chamber inner wall both sides form the mounting groove that is used for installing the valve plate through setting up inside bellied spacing bulge loop, and the valve plate is installed in the mounting groove, helps improving the stability of being connected between valve plate and the seal cover.

Specifically, two sides of the outer sealing wall are provided with guide surfaces 8 which are inclined inwards; the angle a of inclination of the guide surface is 55-65 degrees. The guide surface plays the guide effect when the seal cover follows the valve plate action, improves the smooth and easy nature of valve clack action, avoids appearing the problem of jamming.

Specifically, the mounting hole is internally provided with an internal thread 10. The mounting hole is used for connecting with the valve rod.

Specifically, the sections of the first sealing convex ring and the second sealing convex ring are of semicircular structures; a buffer groove 11 is arranged below the guide surface; the seal cover body is integrally formed and made of tetrafluoroethylene rubber.

Wherein, the setting of dashpot wherein has improved the compressible space of spigot surface, further improves the smoothness nature of valve clack action, avoids appearing the problem of jamming. In addition, the sealing sleeve body is made of the tetrafluoroethylene rubber, and the sealing sleeve made of the tetrafluoroethylene rubber has the characteristics of corrosion resistance and oil resistance.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. The utility model provides a with supporting seal cover that uses of butterfly valve plate, includes the seal cover body, be equipped with the mounting hole on the seal cover body and be used for installing the installation cavity of valve plate, its characterized in that: the mounting cavity inner wall both sides have the spacing bulge loop of inside arch, form the mounting groove that is used for installing the valve plate between spacing bulge loop and the spacing bulge loop, equidistant first sealed bulge loop that is equipped with on the mounting groove inner wall, the sealed outer wall of seal cover body and the sealed contact of the valve pocket inner wall of butterfly valve is equidistant to be equipped with the sealed bulge loop of second, sealed outer wall both sides are equipped with the spigot surface of inside both sides slope, the angle of inclination an's of spigot surface angle is 55-65.

2. The sealing sleeve matched with the butterfly valve plate according to claim 1, wherein: and internal threads are arranged in the mounting hole.

3. The sealing sleeve matched with the butterfly valve plate according to claim 1, wherein: the sections of the first sealing convex ring and the second sealing convex ring are of semicircular structures.

4. The sealing sleeve matched with the butterfly valve plate according to claim 2, wherein: and a buffer groove is arranged below the guide surface.

5. The sealing sleeve matched with the butterfly valve plate according to claim 4, wherein: the seal cover body is integrally formed and made of tetrafluoroethylene rubber.