CN217177439U

CN217177439U - High leakproofness valve

Info

Publication number: CN217177439U
Application number: CN202123126097.5U
Authority: CN
Inventors: 何先志
Original assignee: Suzhou Tianyinglan Intelligent Environmental Protection Technology Co ltd
Current assignee: Suzhou Tianyinglan Intelligent Environmental Protection Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-08-12
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a high leakproofness valve relates to sealing member technical field, aims at solving between valve block and the valve body and adopts spacing problem that makes sealing performance poor between valve body and the valve block. The key points of the technical scheme are as follows: including valve body and rotation connection valve block on the valve body, the quantity of valve block sets up to two, has the air cavity between two valve blocks, and the atmospheric pressure of air cavity is greater than the atmospheric pressure that the valve block kept away from one side each other, and when the valve block was in encapsulated situation, the valve block received an effort towards the valve body. The utility model discloses a set up seal assembly and prevent changeing the subassembly for contact between valve block and the valve body is elastic contact, thereby makes the valve body have better sealing performance, prevents changeing the subassembly through setting up simultaneously, prevents that atmospheric pressure is unstable, makes the valve block deflect, influences sealing performance, and the valve block is all the time just to the gasket, makes the contact between valve block and the gasket inseparabler, reduces waste gas and reveals, makes the valve environmental protection more.

Description

High leakproofness valve

Technical Field

The utility model relates to a sealing member technical field, more specifically say, it relates to a high leakproofness valve.

Background

The valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing, relieving pressure and the like.

In the use, because there is not obvious effort between general valve block and the valve body, all adopt the motor to carry on spacingly to make contact between valve block and the valve body, accomplish the sealing function of valve body, but in the use, because the use of valve body, make contact between valve block and the valve body be difficult to very inseparable, make the sealing performance of valve body poor.

The utility model provides a new technical scheme solves and adopts spacing problem that makes sealing performance poor between valve body and the valve block between valve block and the valve body simply.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, an object of the utility model is to provide a high leakproofness valve, through setting up the linkage subassembly, accomplish two valve blocks and rotate simultaneously, prevent mutual interference between the valve block, prevent to change the subassembly through setting up, make encapsulated situation's valve block be difficult to take place to deflect, make elastic gasket and valve block remain comparatively stable contact throughout, make and be difficult to produce the clearance between valve block and the elastic gasket, thereby increase the sealing performance of valve body, through setting up spout and slider, make and keep away from each other between the valve block, thereby make to have the effort that is close to each other between valve block and the valve body, make the gas tightness between the valve block better.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a high leakproofness valve, includes the valve body and sets up the valve block on the valve body, the quantity of valve block sets up to two, two there is the air cavity between the valve block, the atmospheric pressure of air cavity is greater than the atmospheric pressure that the valve block kept away from one side each other, works as when the valve block is in encapsulated situation, the valve block receives an effort towards the valve body.

Through adopting above-mentioned technical scheme, through setting up the air cavity and make the atmospheric pressure in the air cavity be greater than the atmospheric pressure that the valve block kept away from one side each other, make the valve under the circumstances of closing, make under the effect of air cavity atmospheric pressure, make keeping away from each other between the valve block, simultaneously, make the valve block when encapsulated situation, make the valve block receive an effort towards the valve body, through the effort, make the contact between valve body and the valve block inseparabler, make the valve have better gas tightness.

The utility model discloses further set up to: the valve block is fixedly connected with a rotating shaft, two sliding grooves with the central lines on the same straight line are formed in the valve body, the rotating shaft is connected in the sliding grooves in a sliding mode, and the two rotating shafts are subjected to an acting force which is close to each other.

Through adopting above-mentioned technical scheme, through setting up the spout, make the valve body when the inside atmospheric pressure increase of air cavity, make the valve block accomplish under the effect of gas pressure and slide, thereby make the valve block be close the valve body more in the valve body axial, make valve body and valve block contact inseparabler, two rotation axes receive an effort that is close to each other simultaneously, make when air pressure reduces in the air cavity, accomplish resetting of valve block.

The utility model discloses further set up to: the valve comprises a valve body, a rotating shaft, a sliding groove, a valve block and an elastic piece, wherein the sliding groove is opposite to the rotating shaft, the inner wall of the rotating shaft is fixedly connected with the elastic piece, the rotating shaft is rotatably connected with a fixed block, the other end of the elastic piece is fixedly connected to the fixed block, the valve block is fixedly connected with an elastic gasket, and the distance between the elastic gasket and the rotating axis is larger than the distance between a side line of the valve block and the rotating axis.

Through adopting above-mentioned technical scheme, through setting up the elastic component, the elastic component makes the rotation axis be close to each other all the time, make when air pressure is unanimous with external atmospheric pressure in the air cavity, make the rotation axis keep at the normal position, through setting up the gasket, make the valve block inseparabler when high atmospheric pressure and gasket contact, make the valve body have better sealing performance, simultaneously because valve body and gasket sliding contact, make the effort of each part of gasket more even, the gasket is greater than the distance of valve block sideline to rotation axis with the distance of rotation axis, prevent that the gasket from hindering the rotation of valve block.

The utility model discloses further set up to: the linkage assembly is provided with an anti-rotation assembly, and when the valve plates are far away from each other, the valve plates are in an anti-rotation state.

Through adopting above-mentioned technical scheme, prevent changeing the subassembly through the setting for the valve block is difficult to take place to rotate, makes to be difficult to take place to deflect on receiving external force, makes to form the clearance between valve block and the resilient pad, causes the condition that produces gas leakage between resilient pad and the valve block.

The utility model discloses further set up to: the anti-rotation assembly comprises a limiting block fixedly connected to the valve body and a clamping block fixedly connected to the rotating shaft, and when the valve plates are close to each other, the distance from the limiting block to the axis of the rotating shaft is equal to the distance from the sideline of the clamping block to the axis of the rotating shaft.

Through adopting the above technical scheme, the valve during operation, rotate the valve block to sealing position, make the fixture block set up along spout length direction this moment, make the stopper be difficult to the slip of restriction fixture block, make the atmospheric pressure increase of air cavity, make the rotation axis slide along the spout, the fixture block contacts with the stopper this moment, make the rotation axis be difficult to take place to rotate, make the valve block remain the direction of perpendicular to passageway all the time, thereby when making to receive inhomogeneous effort on the valve block, the valve block still can keep the direction just to the elastic gasket, make the gas tightness of valve better.

The utility model discloses further set up to: and one side of the limiting block, which is close to the rotating shaft, is provided with a cambered surface.

Through adopting above-mentioned technical scheme, through setting up the cambered surface for the cambered surface laminating is on the valve block, makes the area of fixture block and stopper contact more, prevents that the stopper from taking place wearing and tearing.

The utility model discloses further set up to: the valve body is provided with a linkage assembly, the linkage assembly comprises a first gear fixedly connected to the valve plate, a second gear rotatably connected to the valve body and a driving rod fixed to the second gear, and the first gear is meshed with the second gear.

Through adopting above-mentioned technical scheme, through setting up the linkage subassembly for when rotating the actuating lever, make the actuating lever drive gear two and rotate, make and rotate with gear two engaged gear one, thereby make and rotate simultaneously with gear one fixed connection's valve block, thereby accomplish opening and closing of valve block.

The utility model discloses further set up to: the air cavity is communicated with an air pump.

Through adopting above-mentioned technical scheme, through setting up the air pump for the air pump pressurizes in the air cavity, makes the pressure in the air cavity be greater than the pressure of valve block both sides.

To sum up, the utility model discloses following beneficial effect has:

through setting up the linkage subassembly, make the linkage subassembly drive two valve blocks simultaneous movement, prevent mutual interference between the valve block, cause the poor problem of sealed effect to appear in the valve, through setting up the spout, make the valve block under the effect of air pressure in the air cavity, make keeping away from each other between the valve block, through setting up the gasket, make the valve block laminating on the gasket, make better sealing performance have on the valve body, prevent changeing the subassembly through setting up, make the valve block keep the angle just to the passageway all the time under the fixed state, make valve block and gasket remain just to the state all the time, make better gas tightness have between valve block and the gasket.

Drawings

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

fig. 2 is a first cross-sectional view of the present invention;

fig. 3 is a second cross-sectional view of the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. a rotating shaft; 4. a chute; 5. an elastic member; 6. a fixed block; 7. an elastic pad; 8. a limiting block; 9. a clamping block; 10. a first gear; 11. a second gear; 12. a drive rod.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The embodiment is as follows: the utility model provides a high leakproofness valve, as figure 1, figure 2 and figure 3 are shown, including valve body 1, valve block 2, rotation axis 3, elastic component 5, elastic gasket 7, prevent changeing the subassembly, linkage subassembly and air pump, the quantity of valve block 2 is provided with two, form the air cavity between two valve blocks 2, the output and the air cavity intercommunication of air pump, elastic component 5 and elastic gasket 7 set up on valve body 1, rotation axis 3 rotates and connects on

valve body

1, 2 fixed connection of valve block are on rotation axis 3, prevent changeing the subassembly and set up between valve body 1 and the rotation axis 3, the linkage subassembly sets up between two rotation axes 3.

As shown in figure 3, by arranging the air pump, when the valve body 1 enters a working state, the valve plate 2 is rotated to enable the valve plate 2 to be arranged perpendicular to the axial direction of the valve body 1, an air cavity is formed between the valve plates 2 at the moment, the air pressure in the air cavity is larger than the air pressure at two sides of the valve plate 2 which are far away from each other through the air pump, the air pressure with larger air pressure acts on the valve plate 2 to enable the valve plates 2 to be far away from each other, two chutes 4 with the central lines on the same straight line are arranged on the valve body 1, the rotating shaft 3 is connected in the chutes 4 in a sliding manner, the chutes 4 are fixedly connected with elastic pieces 5 on the inner wall which just faces the rotating shaft 3, the rotating shaft 3 is rotatably connected with fixed blocks 6, the other ends of the elastic pieces 5 are fixedly connected on the fixed blocks 6, the valve body 1 is fixedly connected with elastic gaskets 7, the distance between the elastic gaskets 7 and the axis of the rotating shaft 3 is larger than the distance between the side lines of the valve plates 2 and the axis of the rotating shaft 3, great atmospheric pressure is used on valve block 2, make valve block 2 receive the effort of keeping away from each other, make valve body 1 move in spout 4, valve block 2 keeps away from each other and compresses elastic gasket 7 and elastic component 5, make contact between valve block 2 and the elastic gasket 7, keep the atmospheric pressure value in the air cavity, make to have great effort between elastic gasket 7 and the valve block 2, and the effort makes valve block 2 and elastic gasket 7 be close to each other, make the valve have higher gas tightness.

As shown in fig. 3, the anti-rotation assembly includes a limiting block 8 fixedly connected to the valve body 1 and a clamping block 9 fixedly connected to the rotating shaft 3, when the valve sheet 2 is close to each other, the distance between the limiting block 8 and the axis of the rotating shaft 3 is equal to the distance between the side line of the clamping block 9 and the axis of the rotating shaft 3, when the valve sheet 2 is in the working state, the valve sheet 2 is axially perpendicular to the valve body 1, and at this time, the length direction of the clamping block 9 is the same as the length direction of the sliding groove 4, so that the clamping block 9 loses the limitation of the limiting block 8, so that the clamping block 9 moves along the sliding groove 4 when losing the limitation, and when in the sliding groove 4, the clamping block 9 contacts the limiting block 8, so that the clamping block 9 is difficult to rotate 1 along with the rotating shaft 3, thereby when the acting force is applied on the valve sheet 2, the valve sheet 2 is difficult to rotate, the valve sheet 2 is prevented from being deflected, and the force applied between the valve sheet 2 and the elastic gasket 7 is uneven, the problem of clearance between the valve plates 2 and the elastic gasket 7 is caused to occur, and meanwhile, the valve body 1 is prevented from moving relatively between the two valve plates 2 under a non-working state, so that the valve plates 2 are difficult to move synchronously.

As shown in fig. 3, the linkage assembly includes a first gear 10 fixedly connected to the valve plate 2, a second gear 11 rotatably connected to the valve body 1, and a driving rod 12 fixed to the second gear 11, the first gear 10 is engaged with the second gear 11, and by rotating the driving rod 12, the driving rod 12 drives the second gear 11 to rotate, so that the second gear 11 drives the first gear 10 to rotate, and since the first gear 10 is engaged with the second gear 11, the actions of the first gear 10 are kept consistent, so that the actions of the two valve plates 2 are kept synchronous, and meanwhile, under the action of air pressure, the first gear 10 is far away from the second gear 11, and under the action of the elastic member 5, the first gear 10 and the second gear 11 are re-engaged, so that the valve body 1 completes the conversion between the working state and the ventilation state.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high leakproofness valve, includes valve body (1) and sets up valve block (2) on valve body (1), its characterized in that: the quantity of valve block (2) sets up to two, two there is the air cavity between valve block (2), the atmospheric pressure of air cavity is greater than the atmospheric pressure that one side was kept away from each other in valve block (2), works as when valve block (2) are in encapsulated situation, valve block (2) receive an effort towards valve body (1).

2. A high-tightness valve according to claim 1, wherein: valve block (2) fixedly connected with rotation axis (3), seted up on valve body (1) that the central line is in twice spout (4) on same root straight line, rotation axis (3) sliding connection is in spout (4), two rotation axis (3) receive an effort that is close to each other.

3. A high-tightness valve according to claim 2, wherein: spout (4) just are fixed connection elastic component (5) on the inner wall of rotation axis (3), it is connected with fixed block (6) to rotate on rotation axis (3), the other end fixed connection of elastic component (5) is on fixed block (6), fixed connection elastic gasket (7) on valve body (1), elastic gasket (7) are greater than the distance of valve block (2) sideline to rotation axis (3) axis with the distance of rotation axis (3) axis.

4. A high-tightness valve according to claim 1, wherein: the valve is characterized in that a linkage assembly is arranged on the valve body (1), the linkage assembly comprises a first gear (10) fixedly connected to the valve plate (2), a second gear (11) rotatably connected to the valve body (1) and a driving rod (12) fixed to the second gear (11), and the first gear (10) is meshed with the second gear (11).

5. The high-tightness valve according to claim 4, wherein: the linkage assembly is provided with an anti-rotation assembly, and when the valve plates (2) are far away from each other, the valve plates (2) are in an anti-rotation state.

6. The high-sealability valve according to claim 5, wherein: prevent changeing the subassembly and include stopper (8) and fixture block (9) of fixed connection on rotation axis (3) of fixed connection on valve body (1), work as when valve block (2) are close to each other, the distance of stopper (8) to rotation axis (3) axis equals the distance of fixture block (9) sideline to rotation axis (3) axis.

7. The high-sealability valve of claim 6, wherein: and one side of the limiting block (8) close to the rotating shaft (3) is provided with a cambered surface.

8. A high-tightness valve according to claim 1, wherein: the air cavity is communicated with an air pump.