CN217153027U - Butterfly valve sealing mechanism and butterfly valve with same - Google Patents
Butterfly valve sealing mechanism and butterfly valve with same Download PDFInfo
- Publication number
- CN217153027U CN217153027U CN202123456309.6U CN202123456309U CN217153027U CN 217153027 U CN217153027 U CN 217153027U CN 202123456309 U CN202123456309 U CN 202123456309U CN 217153027 U CN217153027 U CN 217153027U
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- valve
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- limiting plate
- valve plate
- valve body
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Abstract
The utility model relates to a butterfly valve sealing mechanism and have its butterfly valve, including valve plate and limiting plate, limiting plate fixed connection is on the valve plate, the valve plate is circular platelike structure, the dismantlement formula is pegged graft on the limiting plate and is had stop gear, stop gear one end is the hexagon structure, and pegs graft on the limiting plate, and the other end passes the valve body, and rotates with the valve body to be connected, the valve plate rotates to be connected in the valve body. The utility model discloses a set limit mechanism one end into the hexagon structure, be convenient for inject limit mechanism one end in the limiting plate, make the valve plate rotate along with limit mechanism's rotation, the valve plate can not rotate under the state that does not rotate limit mechanism, thereby can avoid using the nut not hard up condition to appear, when high-pressure fluid from the internal impact valve plate of valve, can avoid the condition that the valve plate deflects to appear, thereby can avoid the sealing washer on the valve plate to make a round trip and the valve body friction, avoid appearing the condition of damage, promote sealed effect.
Description
Technical Field
The utility model relates to a butterfly valve technical field especially relates to butterfly valve sealing mechanism to and a butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
The butterfly valve is when using, the fluid can flow in the valve body, thereby can strike on the valve plate, the phenomenon that high-pressure fluid strikes the valve plate can appear, assemble the valve plate to the valve body in prior art, all adopt valve rod cooperation nut to rotate the valve plate and connect on the valve body, after long-time the use, the not hard up condition can appear in the nut, thereby can lead to the valve plate to take place to deflect when high-pressure fluid strikes the valve plate, sealing washer on the valve plate can and produce wearing and tearing between the valve body this moment, lead to the leakproofness to descend, influence the sealed effect between valve body and the valve plate, thereby lead to the butterfly valve to take place to leak.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists provides butterfly valve sealing mechanism, and concrete technical scheme is as follows:
the butterfly valve sealing mechanism comprises a valve plate and a limiting plate, wherein the limiting plate is fixedly connected to the valve plate, the valve plate is of a circular plate-shaped structure, the limiting mechanism is detachably connected to the limiting plate in an inserting mode, one end of the limiting mechanism is of a hexagonal structure and is connected to the limiting plate in an inserting mode, the other end of the limiting mechanism penetrates through the valve body and is connected with the valve body in a rotating mode, and the valve plate is connected to the valve body in a rotating mode.
As an improvement of the above technical scheme, stop gear includes connecting rod, rotary rod and gag lever post, connecting rod one end and gag lever post fixed connection, the other end and rotary rod fixed connection, the gag lever post is the hexagon structure, set up the spacing hole that supplies the gag lever post to peg graft on the limiting plate, set up the recess that supplies the connecting rod to peg graft on the limiting plate, the recess communicates with each other with spacing hole.
As an improvement of the above technical scheme, the valve body is run through to rotary rod one end, and rotates with the valve body and be connected, the slot has been seted up on the rotary rod, fixedly connected with strengthening rib on the limiting plate, strengthening rib fixed connection is on the valve plate, the peripheral fixedly connected with seal ring of valve plate.
A butterfly valve comprises the butterfly valve sealing mechanism provided by any scheme.
The utility model has the advantages that: through setting limit mechanism one end to the hexagon structure, be convenient for inject limit mechanism one end in the limiting plate, make the valve plate rotate along with limit mechanism's rotation, the valve plate can not rotate under the state of not rotating limit mechanism, thereby can avoid using the not hard up condition of nut appearance, when high-pressure fluid from the internal impact valve plate of valve, can avoid the condition that the valve plate deflected to appear, thereby can avoid the sealing washer on the valve plate to make a round trip and the valve body friction, avoid appearing the condition of damage, promote sealed effect, prevent the condition that the butterfly valve takes place to leak.
Drawings
FIG. 1 is a schematic view of the connection structure of the valve plate and the limiting plate of the present invention;
FIG. 2 is a schematic view of the limiting mechanism of the present invention;
fig. 3 is the schematic view of the valve plate structure of the present invention.
Reference numerals: 1. a valve plate; 11. a sealing gasket; 2. a limiting plate; 21. a groove; 22. a limiting hole; 23. reinforcing ribs; 3. a limiting mechanism; 31. a connecting rod; 32. rotating the rod; 321. a slot; 33. a limiting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, fig. 1 is a schematic view of a connection structure of a valve plate and a limiting plate according to the present invention;
fig. 2 is a schematic view of the limiting mechanism of the present invention.
Butterfly valve sealing mechanism, including valve plate 1 and limiting plate 2, limiting plate 2 fixed connection is on valve plate 1, valve plate 1 is circular platelike structure, the dismantlement formula is pegged graft on limiting plate 2 and is had stop gear 3, stop gear 3 one end is the hexagon structure, and pegs graft on limiting plate 2, and the other end passes the valve body, and rotates with the valve body to be connected, valve plate 1 rotates to be connected in the valve body.
Through the arrangement of the limiting mechanism 3, the limiting mechanism 3 is equivalent to a valve rod, one end of the limiting mechanism 3 is limited and inserted on the limiting plate 2, the other end of the limiting mechanism passes through the valve body and is used for installing a handrail, the limiting mechanism 3 is convenient to rotate, the limiting mechanism 3 drives the limiting plate 2 to rotate, the limiting plate 2 drives the valve plate 1 to rotate in the valve body and is convenient to open the valve plate 1, one end of the limiting mechanism 3 is convenient to be limited in the limiting plate 2 by arranging one end of the limiting mechanism 3 into a hexagonal structure, so that the valve plate 1 can rotate along with the rotation of the limiting mechanism 3, the valve plate 1 can not rotate under the state that the limiting mechanism 3 is not rotated, thereby the condition that a nut is loosened can be avoided, when high-pressure fluid impacts the valve plate 1 from the valve body, the condition that the valve plate 1 deflects can be avoided, thereby the condition that a sealing ring on the valve plate 1 is rubbed with the valve body back and forth and the damage can be avoided, promote sealed effect to prevent the condition that the butterfly valve takes place to leak, and valve plate 1 is circular platelike structure, greatly reduced the flow resistance coefficient of valve to reduce valve plate 1 and stay and hang debris, in order to prevent the risk that the sealed face of damage appears.
As shown in fig. 1 and 2, fig. 1 is a schematic view of a connection structure of a valve plate and a limiting plate according to the present invention;
fig. 2 is a schematic view of the limiting mechanism of the present invention.
Be the hexagon structure through gag lever post 33 and set up, be convenient for inject gag lever post 33 in limiting plate 2, and connecting rod 31, rotary rod 32 and gag lever post 33 constitute the valve rod, can drive limiting plate 2 through rotatory valve rod and rotate to can drive valve plate 1 rotatory, realize opening and closing of valve plate 1, avoid the valve rod to pass by oneself.
As shown in fig. 1, 2 and 3, fig. 1 is a schematic view of a connection structure of a valve plate and a limiting plate according to the present invention; FIG. 2 is a schematic view of the limiting mechanism of the present invention; fig. 3 is the schematic view of the valve plate structure of the present invention.
The valve body is run through to rotary rod 32 one end, and rotates with the valve body and be connected, slot 321 has been seted up on the rotary rod 32, fixedly connected with strengthening rib 23 on the limiting plate 2, strengthening rib 23 fixed connection is on valve plate 1, the peripheral fixedly connected with seal ring 11 of valve plate 1.
Through the setting of strengthening rib 23, can increase the intensity of limiting plate 2, and can increase the fixed steadiness of limiting plate 2 and valve plate 1, the valve body is run through to rotary rod 32 one end simultaneously, and has seted up slot 321 on the rotary rod 32, the installation handrail of being convenient for, and inject the handrail on rotary rod 32.
A butterfly valve comprises the butterfly valve sealing mechanism provided by any scheme.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. Butterfly valve sealing mechanism, including valve plate (1) and limiting plate (2), its characterized in that: limiting plate (2) fixed connection is on valve plate (1), valve plate (1) is circular platelike structure, the dismantlement formula is pegged graft on limiting plate (2) and is had stop gear (3), stop gear (3) one end is the hexagon structure, and pegs graft on limiting plate (2), and the other end passes the valve body, and rotates with the valve body to be connected, valve plate (1) rotates to be connected in the valve body.
2. The butterfly valve sealing mechanism of claim 1, wherein: stop gear (3) are including connecting rod (31), rotary rod (32) and gag lever post (33), connecting rod (31) one end and gag lever post (33) fixed connection, the other end and rotary rod (32) fixed connection, gag lever post (33) are the hexagon structure, offer spacing hole (22) that supply gag lever post (33) to peg graft on limiting plate (2), offer recess (21) that supply connecting rod (31) to peg graft on limiting plate (2), recess (21) communicate with each other with spacing hole (22).
3. The butterfly valve sealing mechanism of claim 2, wherein: the valve body is run through to rotary rod (32) one end, and rotates with the valve body and be connected, slot (321) have been seted up on rotary rod (32), fixedly connected with strengthening rib (23) are gone up in limiting plate (2), strengthening rib (23) fixed connection is on valve plate (1), valve plate (1) peripheral fixedly connected with seal ring (11).
4. A butterfly valve, its characterized in that: a butterfly valve sealing mechanism comprising a butterfly valve according to any of the preceding claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456309.6U CN217153027U (en) | 2021-12-31 | 2021-12-31 | Butterfly valve sealing mechanism and butterfly valve with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456309.6U CN217153027U (en) | 2021-12-31 | 2021-12-31 | Butterfly valve sealing mechanism and butterfly valve with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153027U true CN217153027U (en) | 2022-08-09 |
Family
ID=82686745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123456309.6U Active CN217153027U (en) | 2021-12-31 | 2021-12-31 | Butterfly valve sealing mechanism and butterfly valve with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153027U (en) |
-
2021
- 2021-12-31 CN CN202123456309.6U patent/CN217153027U/en active Active
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