CN220688075U - Knife-type tangential sealing valve - Google Patents
Knife-type tangential sealing valve Download PDFInfo
- Publication number
- CN220688075U CN220688075U CN202322396430.7U CN202322396430U CN220688075U CN 220688075 U CN220688075 U CN 220688075U CN 202322396430 U CN202322396430 U CN 202322396430U CN 220688075 U CN220688075 U CN 220688075U
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- Prior art keywords
- valve
- knife
- valve seat
- rod
- conical
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- 238000007789 sealing Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 24
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model belongs to the technical field of the boiler, concretely relates to knife type tangent line sealing valve, including the knife type disk seat, the air inlet has been seted up to the bottom of knife type disk seat, the gas outlet has been seted up to one side of knife type disk seat, the inside of knife type disk seat is equipped with the collecting tank, still includes: the valve seat chassis is internally provided with a cone-shaped valve core; the outer side of the top plate is fixedly provided with a telescopic oil cylinder; the filter plate is connected in the air outlet in a sliding manner; the valve rod, the valve rod sets up in the inside of sword type disk seat, the outside of valve rod is fixed to be equipped with the lug, the both sides of lug all are equipped with the connecting rod. The utility model discloses can collect impurity and comdenstion water that adheres to on the pipe wall through the filter when controlling the air inlet and open or close, reduce valve corruption, improve valve life, and valve rod and cone case are split type design, the dismouting of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the boiler, concretely relates to knife type tangent line sealing valve.
Background
The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy. The steam delivery pipe of a boiler is usually provided with a sealing valve for controlling the opening and closing of the delivery medium, steam. The sealing valve is generally composed of a valve seat, an opening and closing piece valve core and a valve rod, and when in operation, the valve rod drives the opening and closing piece valve core to operate, so that the opening and closing piece valve core opens or closes an internal passage of the valve seat.
In the use process of a boiler steam pipeline, impurities such as condensed water and dust are easily attached to the pipe wall of steam through the valve, the impurities such as the condensed water and the dust are difficult to discharge along the pipe wall after being mixed, the valve is easy to corrode after long-term accumulation, the service life of the valve is reduced, and the valve core and the valve rod are generally integrated, so that the valve core is difficult to assemble and disassemble, the valve core is inconvenient to replace and maintain independently, and the convenience of assembly and disassembly is insufficient.
Disclosure of Invention
The utility model aims to provide a knife-type tangential sealing valve, which can collect impurities and condensed water attached to the pipe wall through a filter plate while controlling the opening or closing of an air inlet, reduce valve corrosion and prolong the service life of the valve, and the valve rod and the cone-shaped valve core are detachably connected in a split type design, so that the cone-shaped valve core can be replaced and maintained independently, and the convenience of disassembly and assembly is improved.
The technical scheme adopted by the utility model is as follows:
the utility model provides a sword type tangent line sealing valve, includes the sword type disk seat, the air inlet has been seted up to the bottom of sword type disk seat, the gas outlet has been seted up to one side of sword type disk seat, the inside of sword type disk seat is equipped with the collecting tank, still includes:
the valve seat chassis is fixedly connected below the knife-type valve seat, and a conical valve core is arranged in the valve seat chassis;
the top plate is fixedly connected above the knife-shaped valve seat, and a telescopic oil cylinder is fixedly arranged on the outer side of the top plate;
the filter plate is connected in the air outlet in a sliding manner;
the valve rod is arranged in the knife-type valve seat, the upper end of the valve rod is fixedly connected to the output end of the telescopic oil cylinder, the lower end of the valve rod is detachably connected with the conical valve core, the outer part of the valve rod is fixedly provided with a convex block, two sides of the convex block are respectively provided with a connecting rod, one end of the connecting rod is rotationally connected to the convex block, and the other end of the connecting rod is rotationally connected to the filter plate;
the telescopic oil cylinder drives the conical valve core to move up and down after working, so that the air inlet is opened or closed, the filter plate is driven to slide synchronously along the air outlet, and impurities and condensed water attached to the pipe wall are pushed into the liquid collecting tank to be collected.
A liquid outlet is formed in one side of the liquid collecting tank, and a liquid outlet plug is arranged in the liquid outlet in a threaded manner.
The bottom of the liquid collecting groove is provided with an inclined plane which inclines towards the liquid outlet.
The upper end of the conical valve core is fixedly provided with an insertion part which is in sliding connection with the valve rod.
The outside of insert portion is equipped with a set of spacing piece, a set of spacing groove has been seted up to the lower extreme of valve rod, stopper and spacing groove sliding connection.
The outer sealing surface of the conical valve core is a conical surface, one side of the knife-shaped valve seat, which is close to the conical valve core, is provided with a ninety-degree corner, and the conical surface and the corner are jointed to form an annular line seal.
The utility model has the technical effects that:
the telescopic oil cylinder provided by the utility model drives the conical valve core to move up and down after working, the conical valve core drives the conical valve core to move up and down when moving, so that the air inlet is opened or closed, the filter plate is driven to slide synchronously along the air outlet when moving, impurities and condensed water attached to the pipe wall are pushed into the liquid collecting tank to be collected, and the condensed water and the impurities are discharged from the liquid outlet from the valve, so that the condition that the condensed water and the impurities corrode the valve is reduced, and the service life of the valve is prolonged.
The valve rod and the conical valve core are detachably connected in a split type design, so that the conical valve core can be replaced and maintained independently, and the convenience of disassembly and assembly is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a perspective cross-sectional view of the whole of the present utility model;
FIG. 3 is a partial cross-sectional view of the entirety of the present utility model;
FIG. 4 is a schematic view of a partial installation of a drain plug of the present utility model;
FIG. 5 is an enlarged view of a portion of the utility model at A in FIG. 2;
FIG. 6 is a partial exploded view of the valve stem and cone valve cartridge of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
10. a knife-type valve seat; 11. an air inlet; 12. an air outlet; 13. a liquid collecting tank; 14. a liquid outlet; 20. a valve seat chassis; 30. a conical valve core; 31. an insertion section; 32. a limiting block; 40. a top plate; 50. a telescopic oil cylinder; 60. a filter plate; 70. a valve stem; 71. a bump; 72. a limit groove; 80. a connecting rod; 90. and a drain plug.
Detailed Description
In order that the objects and advantages of the utility model will become more apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof. It should be understood that the following text is used to describe only one or more specific embodiments of the present utility model and does not strictly limit the scope of protection of the specific claims.
As shown in fig. 1, 2, 3 and 5, a knife-shaped tangential sealing valve comprises a knife-shaped valve seat 10, an air inlet 11 is formed in the bottom of the knife-shaped valve seat 10, an air outlet 12 is formed in one side of the knife-shaped valve seat 10, a liquid collecting tank 13 is arranged in the knife-shaped valve seat 10, and the valve further comprises:
the valve seat chassis 20, the valve seat chassis 20 is fixedly connected below the knife-shaped valve seat 10, and a cone-shaped valve core 30 is arranged in the valve seat chassis 20;
a top plate 40, wherein the top plate 40 is fixedly connected above the knife-shaped valve seat 10, and a telescopic oil cylinder 50 is fixedly arranged on the outer side of the top plate 40;
a filter plate 60, the filter plate 60 being slidably coupled to the inside of the air outlet 12;
the valve rod 70 is arranged in the knife-shaped valve seat 10, the upper end of the valve rod 70 is fixedly connected to the output end of the telescopic oil cylinder 50, the lower end of the valve rod 70 is detachably connected with the conical valve core 30, a lug 71 is fixedly arranged outside the valve rod 70, connecting rods 80 are arranged on two sides of the lug 71, one end of each connecting rod 80 is rotatably connected to the lug 71, and the other end of each connecting rod 80 is rotatably connected to the filter plate 60;
the telescopic oil cylinder 50 drives the conical valve core 30 to move up and down after working, so that the air inlet 11 is opened or closed, and the filter plate 60 is driven to slide synchronously along the air outlet 12, so that impurities and condensed water attached to the pipe wall are pushed into the liquid collecting tank 13 for collection.
The outer side of the filter plate 60 is attached to the inner wall of the air outlet 12.
In this embodiment, after the telescopic cylinder 50 works, the output end of the telescopic cylinder 50 stretches or shortens, the valve rod 70 is driven to move up and down, the valve rod 70 drives the conical valve core 30 to move up and down, so that the conical valve core 30 closes and opens the air inlet 11, the valve is controlled to open, the valve rod 70 moves up and down and simultaneously drives the projection 71 to move up and down, the projection 71 drives the filter plate 60 to slide along the air outlet 12 through the connecting rod 80, impurities attached to the inner pipe wall of the air outlet 12 and condensed water are pushed inwards when the filter plate 60 slides, and part of condensed water on the pipe wall flows through the surface of the filter plate 60 under the pushing of the filter plate 60 in the sliding process of the filter plate 60, so that the impurities attached to the surface of the filter plate 60 are separated from the surface of the filter plate 60, and the condensed water are convenient to collect the impurities attached to the pipe wall, and the condensed water are prevented from being detained on the pipe wall, and corroding the valve.
As shown in fig. 2, 3 and 4, a drain port 14 is provided on one side of the liquid collecting tank 13, and a drain plug 90 is screwed into the drain port 14.
As shown in fig. 2, 3 and 4, the bottom of the liquid collecting tank 13 is provided with a slope, and the slope is inclined toward the liquid drain port 14.
In this embodiment, the filter plate 60 pushes the impurities and the condensed water into the sump 13, the sump 13 is used for storing and collecting the impurities and the condensed water, when the impurities and the condensed water are stored in a desired amount, the user can unscrew the drain plug 90 to enable the sump 13 to be in an open state, and the design of the inclined surface at the bottom of the sump 13 can facilitate the impurities and the condensed water to flow to the sump 13, so that the impurities and the condensed water are discharged to the outside of the valve, the corrosion of the valve is reduced, and the service life of the valve is prolonged.
As shown in fig. 3, 5 and 6, an insertion portion 31 is fixedly provided at the upper end of the conical valve body 30, and the insertion portion 31 is slidably connected to the valve rod 70.
The insertion portion 31 and the valve stem 70 are rotatable relative to each other.
As shown in fig. 3, 5 and 6, a set of limiting blocks 32 are arranged outside the insertion portion 31, a set of limiting grooves 72 are formed in the lower end of the valve rod 70, and the limiting blocks 32 are slidably connected with the limiting grooves 72.
It should be noted that, the shape of the limiting groove 72 may be L-shaped, and the opening of the limiting groove 72 is adapted to the limiting block 32.
In this embodiment, when the conical valve core 30 is required to be mounted on the valve rod 70, the conical valve core 30 is placed below the valve rod 70, the limiting block 32 is aligned with the opening of the limiting groove 72, the conical valve core 30 is moved upwards, the limiting block 32 is inserted into the limiting groove 72, the conical valve core 30 is rotated, the limiting block 32 slides to the tail end of the limiting groove 72 along the limiting groove 72, at the moment, the limiting block 32 is matched with the limiting groove 72 to form a limit, the relative position of the conical valve core 30 and the valve rod 70 in the vertical direction is kept fixed, so that the conical valve core 30 is mounted on the valve rod 70, when the conical valve core 30 is required to be dismounted from the valve rod 70, the conical valve core 30 is rotated, the limiting block 32 slides along the limiting groove 72, the limiting block 32 is aligned with the opening of the limiting groove 72, the conical valve core 30 is moved downwards, the limiting block 32 is pulled out from the inside of the limiting groove 72, the conical valve core 30 is separated from the valve rod 70, and the valve rod 70 and the conical valve core 30 are detachably connected in a split design, so that the conical valve core 30 and the conical valve core 30 is convenient to be independently replaced, and the dismounting and mounting and dismounting of the valve core 30 are improved.
As shown in fig. 2, 3, 5 and 6, the outer sealing surface of the conical valve core 30 is a conical surface, a ninety-degree corner is arranged on one side of the knife valve seat 10, which is close to the conical valve core 30, and the conical surface and the corner are jointed to form an annular line seal.
A metal seal ring is provided between the knife valve seat 10 and the valve seat bottom 20.
In this embodiment, when the valve rod 70 drives the conical valve core 30 to move upwards, the conical surface on the outer side of the conical valve core 30 contacts with ninety degree corners of the knife valve seat 10, so that the air inlet 11 is in a closed state, thereby forming an annular line seal, avoiding steam from passing through the air inlet 11, avoiding steam from leaking to the outside of the valve through a gap between the knife valve seat 10 and the valve seat chassis 20, and improving the sealing performance of the valve.
The working principle of the utility model is as follows: the valve is installed in the boiler steam pipeline, steam gets into air inlet 11 inside from disk seat chassis 20, discharge from gas outlet 12, telescopic cylinder 50 work back drive cone type case 30 reciprocates, drive cone type case 30 reciprocates when cone type case 30 moves for air inlet 11 opens or closes, still drive filter 60 and follow gas outlet 12 synchronous slip when cone type case 30 moves, collect the impurity and the inside of collecting vat 13 of adhesion on the pipe wall with comdenstion water propelling movement, discharge from the valve inside by liquid outlet 14, reduce the circumstances that comdenstion water and impurity corrode the valve, improve valve life, and valve rod 70 and cone type case 30 are split type design, valve rod 70 and cone type case 30 are detachably connected through stopper 32 and spacing groove 72 cooperation, be convenient for change the maintenance to cone type case 30 alone, improve the convenience of dismouting.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated in the present application are all implemented by conventional means in the art unless specifically indicated and limited.
Claims (6)
1. A knife-type tangent sealing valve is characterized in that,
including knife valve seat (10), air inlet (11) have been seted up to the bottom of knife valve seat (10), gas outlet (12) have been seted up to one side of knife valve seat (10), the inside of knife valve seat (10) is equipped with collecting tank (13), still includes:
the valve seat chassis (20), the valve seat chassis (20) is fixedly connected below the knife-shaped valve seat (10), and a cone-shaped valve core (30) is arranged in the valve seat chassis (20);
the top plate (40) is fixedly connected above the knife-shaped valve seat (10), and a telescopic oil cylinder (50) is fixedly arranged on the outer side of the top plate (40);
the filter plate (60) is connected inside the air outlet (12) in a sliding manner;
the valve rod (70), valve rod (70) set up in the inside of sword type disk seat (10), the upper end fixed connection of valve rod (70) is on the output of telescopic cylinder (50), the lower extreme of valve rod (70) is connected with taper type case (30) detachably, the outside of valve rod (70) is fixed and is equipped with lug (71), both sides of lug (71) all are equipped with connecting rod (80), the one end of connecting rod (80) rotates to be connected on lug (71), the other end of connecting rod (80) rotates to be connected on filter (60);
the telescopic oil cylinder (50) drives the conical valve core (30) to move up and down after working, so that the air inlet (11) is opened or closed, the filter plate (60) is driven to slide synchronously along the air outlet (12), and impurities attached to the pipe wall and condensed water are pushed into the liquid collecting tank (13) to be collected.
2. The knife-edge tangential seal valve of claim 1, wherein: a liquid outlet (14) is formed in one side of the liquid collecting groove (13), and a liquid outlet plug (90) is arranged in the liquid outlet (14) through threads.
3. The knife-edge tangential seal valve of claim 2, wherein: the bottom of the liquid collecting groove (13) is provided with an inclined plane which inclines towards the liquid outlet (14).
4. The knife-edge tangential seal valve of claim 1, wherein: an insertion part (31) is fixedly arranged at the upper end of the conical valve core (30), and the insertion part (31) is in sliding connection with the valve rod (70).
5. The knife-edge tangential seal valve of claim 4 wherein: a group of limiting blocks (32) are arranged outside the insertion part (31), a group of limiting grooves (72) are formed in the lower end of the valve rod (70), and the limiting blocks (32) are connected with the limiting grooves (72) in a sliding mode.
6. The knife-edge tangential seal valve of claim 1, wherein: the outer sealing surface of the conical valve core (30) is a conical surface, a ninety-degree corner is arranged on one side of the knife-shaped valve seat (10) close to the conical valve core (30), and the conical surface and the corner are jointed to form an annular line seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322396430.7U CN220688075U (en) | 2023-09-05 | 2023-09-05 | Knife-type tangential sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322396430.7U CN220688075U (en) | 2023-09-05 | 2023-09-05 | Knife-type tangential sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220688075U true CN220688075U (en) | 2024-03-29 |
Family
ID=90375393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322396430.7U Active CN220688075U (en) | 2023-09-05 | 2023-09-05 | Knife-type tangential sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220688075U (en) |
-
2023
- 2023-09-05 CN CN202322396430.7U patent/CN220688075U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |