CN220891112U - FC valve of high temperature resistant - Google Patents
FC valve of high temperature resistant Download PDFInfo
- Publication number
- CN220891112U CN220891112U CN202322747313.0U CN202322747313U CN220891112U CN 220891112 U CN220891112 U CN 220891112U CN 202322747313 U CN202322747313 U CN 202322747313U CN 220891112 U CN220891112 U CN 220891112U
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- valve
- screw rod
- pipe
- case
- high temperature
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- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003350 kerosene Substances 0.000 description 7
- 230000032683 aging Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a high-temperature-resistant FC valve, which comprises a valve pipe, wherein a lower connecting flange is integrally arranged on the valve pipe, an upper connecting flange is fixedly connected to the lower connecting flange, a screw rod frame is fixedly arranged on the upper connecting flange, a screw rod is rotatably arranged on the screw rod frame through threads, the upper end of the screw rod is fixedly connected with a rotary grip, a cone block is integrally arranged at the bottom of the upper connecting flange, a valve core is arranged in the valve pipe, the bottom end of the valve core is connected with a plurality of valve plates, and the lower end of the screw rod is connected with the valve core. Compared with the prior art, the valve utilizes high-temperature liquid conveyed by the valve, so that the sealing ferrule of the valve is tightly attached to the valve core, the sealing performance of the valve is ensured, the service life of the sealing ring is prolonged, meanwhile, the valve core is ensured not to be affected by high temperature in the valve pipe to overflow in the normally closed state of the valve, and the use effect of the valve is ensured.
Description
Technical Field
The utility model relates to the field of FC valves, in particular to a high-temperature-resistant FC valve.
Background
The FC valve is a control component in a fluid delivery system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting flow or overflow pressure relief and the like, and is used for various FC valves in the fluid control system from the simplest stopping valve to the extremely complex automatic control system, and the varieties and the specifications of the FC valves are quite various.
Through retrieving, discovery prior art bulletin number is CN 212107136U, discloses a high temperature resistant oil is opened and is used FC valve, including valve body, cover piece, threaded rod, carousel and grip lever, the symmetry is provided with the mechanism of oiling on the cover piece, the mechanism of oiling includes storage tube, feed inlet, sealed lid, guide way, ejector pad and push rod, cover piece outside symmetry is fixed with the storage tube, and the feed inlet has all been seted up on storage tube top, feed inlet top threaded connection has sealed lid, the guide way with the storage tube intercommunication has been seted up to the inside symmetry of cover piece.
Therefore, when high-temperature liquid is conveyed or the external stability is too high, the sealing ring in the valve is easy to fall off and the aging rate is serious based on the searching and the combination of the prior FC valve, so that the sealing performance of the valve is poor, the valve is in a normally closed state, the valve is easy to be extruded, and the valve overflows, and based on the problems, the application provides the high-temperature-resistant FC valve.
Disclosure of utility model
The utility model aims to provide a high-temperature-resistant FC valve so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a FC valve of high temperature resistant, includes the valve pipe, the integration is provided with flange down on the valve pipe, flange fixedly connected with goes up flange down, go up flange and go up the fixed screw rod frame that is provided with, install the screw rod through the screw thread rotation on the screw rod frame, the upper end fixedly connected with rotatory handle of screw rod, the bottom integration of going up flange is provided with the awl piece, be provided with the case in the valve pipe, the bottom of case is connected with a plurality of valve plates, the screw rod lower extreme is connected with the case.
Further, the outer surface of the valve core is sleeved with a sealing ring, the outer surface of the valve plate is provided with arc grooves, the arc grooves on the outer surfaces of the valve plates are sleeved with rubber rings, and the outer surfaces of the rubber rings are fixedly sleeved with metal sealing rings.
Further, the lower end of the valve core is an inclined plane, the inner surface of the sealing ring is an inclined plane and is attached to the outer peripheral surface of the valve core, and the upper surface of the rubber ring is abutted to the lower surface of the sealing ring.
Further, the bottom of case is provided with the heat conduction sheetmetal, be provided with the linking chamber in the awl piece, the upper end of case is connected with the sleeve pipe, the sleeve pipe upper end stretches into in the linking chamber, the lower extreme of screw rod stretches into in the linking chamber, the sleeve pipe cover is established at the surface of screw rod, be connected with communicating pipe between case and the sleeve pipe, in the heat conduction sheetmetal with communicating pipe intercommunication, communicating pipe and intraductal intercommunication of sleeve.
Further, the sleeve and the screw are connected through a spline, and the upper ends of the screw and the cone block are fixedly connected.
Compared with the prior art, the utility model has the beneficial effects that:
The valve utilizes high-temperature liquid conveyed by the valve, so that the sealing ferrule of the valve is tightly attached to the valve core, the sealing property of the valve is ensured, the service life of the sealing ring is prolonged, meanwhile, the valve core is ensured not to be affected by high temperature in the valve pipe to cause overflow of the valve in the normally closed state of the valve, and the use effect of the valve is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a valve cartridge mounting structure of the present utility model;
FIG. 3 is a schematic view of a valve core according to the present utility model;
Fig. 4 is a schematic view of a cross-sectional structure of the valve element of the present utility model.
In the figure: 1. a valve tube; 2. a lower connecting flange; 3. an upper connecting flange; 4. a screw; 5. rotating the grip; 6. a screw rack; 7. a valve plate; 8. a valve core; 9. a cone block; 10. an arc-shaped groove; 11. a rubber ferrule; 12. a metal seal ring; 13. a sealing collar; 14. a heat conductive metal sheet; 15. a communicating pipe; 16. a sleeve; 17. and a connecting chamber.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-4, a high temperature resistant FC valve comprises a valve tube 1, a lower connecting flange 2 is integrally provided on the valve tube 1, an upper connecting flange 3 is fixedly connected to the lower connecting flange 2, a screw rod frame 6 is fixedly provided on the upper connecting flange 3, a screw rod 4 is rotatably provided on the screw rod frame 6 through threads, a rotary grip 5 is fixedly connected to the upper end of the screw rod 4, a conical block 9 is integrally provided at the bottom of the upper connecting flange 3, a valve core 8 is provided in the valve tube 1, a plurality of valve plates 7 are connected to the bottom of the valve core 8, the lower end of the screw rod 4 is connected with the valve core 8, a sealing ring 13 is sleeved on the outer surface of the valve core 8, an arc groove 10 is provided on the outer surface of the valve plate 7, a rubber ring 11 is sleeved on the arc groove 10 of the outer surface of the plurality of valve plates 7, a metal sealing ring 12 is fixedly sleeved on the outer surface of the rubber ring 11, the lower end of the valve core 8 is an inclined surface, the inner surface of the sealing ring 13 is an inclined plane and is attached to the outer surface of the valve core 8, the upper surface of the rubber ring 11 is abutted to the lower surface of the sealing ring 13, as shown in fig. 4, the working principle of the valve in the application is that the rotating handle 5 and the screw 4 connected with the same are rotated, because the screw 4 is installed on the screw frame 6 through screw rotation, the rotation of the screw 4 can realize the vertical movement of the rotating handle 5 and the valve core 8 and the valve sheet 7 connected with the lower end of the rotating handle 5, when the valve core 8 and the valve sheet 7 move downwards to the bottommost part in the valve pipe 1, the valve pipe wall can be opened by the same movement of the valve core 8 and the valve sheet 7, the sealing ring 13 is sleeved on the outer surface of the valve core 8 in order to ensure the sealing performance of the valve, but if the valve conveys high temperature liquid or the outside temperature is too high, the sealing ring 13 is soaked in the high temperature liquid, the sealing ring 13 is easily separated from the valve core 8, and accelerate ageing inefficacy of seal ring 13, lead to valve seal effect variation even inefficacy, therefore, we cover on the arc wall 10 of valve block 7 surface is equipped with rubber ring 11, rubber ring 11 surface fixed cover is equipped with metal seal ring 12, and rubber ring 11's upper surface and the lower surface butt of seal ring 13, consequently, rubber ring 11 can expand under the effect of high temperature liquid, because metal seal ring 12's spacing effect, the rubber ring 11 of inflation can extrude seal ring 13, because seal ring 13 and case 8's contact surface is the inclined plane, with under rubber ring 11's effect, seal ring 13 and case 8 laminating are tighter, guarantee the seal effect of valve.
Embodiment 2, please refer to fig. 4, the difference between the present embodiment and embodiment 1 is that: the bottom of case 8 is provided with heat conduction sheetmetal 14, be provided with link chamber 17 in the awl piece 9, the upper end of case 8 is connected with sleeve pipe 16, sleeve pipe 16 upper end stretches into link chamber 17, the lower extreme of screw rod 4 stretches into in the link chamber 17, sleeve pipe 16 cover is established at the surface of screw rod 4, be connected with communicating pipe 15 between case 8 and sleeve pipe 16, heat conduction sheetmetal 14 is interior and communicating pipe 15 intercommunication, communicating pipe 15 and sleeve pipe 16 internal communication, sleeve pipe 16 and screw rod 4 pass through the spline connection, the upper end fixed connection of screw rod 4 and awl piece 9, when the valve is in the normal close state, case 8 and valve block 7 are located valve pipe 1 bottom, and case 8 and valve block 7 soak in the liquid of carrying all the time, and the input pipeline internal pressure is big, can jack-up case 8, cause the valve overflow in the bottom of case 8, consequently, diaphragm 14 and the intraductal high-pressure kerosene that has been filled with of diaphragm 14 and sleeve pipe 16 that is connected, diaphragm 14 also communicates with the input pipeline, diaphragm 14 can give the temperature transmission high-pressure kerosene, the high-pressure kerosene temperature of liquid, the volume is risen, the valve is big and the valve is moved to the valve pipe 8 is moved through the spline, the valve is moved to the valve is realized to the valve, the valve is realized, the valve is more closely 8 is connected through the valve is realized to the valve, and is avoided to the whole valve, is connected through the valve, and is more compact to the valve, the valve is more compact to the valve.
The working principle of the utility model is as follows: by rotating the rotary handle 5 and the screw 4 connected with the rotary handle, the screw 4 is arranged on the screw frame 6 through screw threads in a rotating way, so that the rotary handle 5 and the valve core 8 and the valve plate 7 connected with the lower end of the rotary handle can vertically move, when the valve core 8 and the valve plate 7 move downwards to the bottommost part in the valve pipe 1, the valve pipe wall is the same, the valve core 8 and the valve plate 7 move upwards to realize valve opening, in order to ensure the tightness of the valve, the outer surface of the valve core 8 is sleeved with a sealing ring 13, but if the valve conveys high-temperature liquid or the external temperature is too high, the sealing ring 13 is soaked in the high-temperature liquid, the sealing ring 13 is easily separated from the valve core 8, and the ageing failure of the sealing ring 13 is accelerated, so that the sealing effect of the valve is poor or even fails, therefore, the rubber ring 11 is sleeved on the arc-shaped groove 10 on the outer surface of the valve plate 7, the outer surface of the rubber ring 11 is fixedly sleeved with a metal sealing ring 12, and the upper surface of the rubber ring 11 is abutted with the lower surface of the sealing ring 13, so that the rubber ring 11 can expand under the action of the high-temperature liquid, and the sealing ring 12 is tightly contacted with the sealing ring 13, and the sealing ring 13 is tightly contacted with the sealing ring 8, and the sealing ring 13 is tightly contacted with the sealing ring 13 because the sealing ring 13;
When the valve is in a normally closed state, the valve core 8 and the valve plate 7 are positioned at the inner bottom of the valve pipe 1, the valve core 8 and the valve plate 7 are always soaked in the conveyed liquid, the pressure in the input pipeline is high, the valve core 8 is jacked up to cause overflow of the valve, therefore, high-pressure kerosene is filled in the bottom of the valve core 8, the diaphragm 14 and the sleeve 16 communicated with the diaphragm 14, the diaphragm 14 is also communicated with the input pipeline, the temperature of the conveyed liquid can be transferred to the high-pressure kerosene, the temperature of the kerosene is increased, the volume change is large, the sleeve 16 and the screw 4 are vertically connected in a sliding mode through splines, and therefore, the high-pressure kerosene can expand and push the whole valve core 8 to move downwards, so that the valve core 8 is connected with a valve port in the valve pipe 1 more tightly, and the overflow of the valve is avoided.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a FC valve of high temperature resistant, includes valve pipe (1), its characterized in that: the integrated lower flange (2) that is provided with on valve pipe (1), flange (3) are gone up to flange (2) fixedly connected with down, go up fixedly on flange (3) and be provided with screw rod frame (6), install screw rod (4) through the screw thread rotation on screw rod frame (6), the upper end fixedly connected with rotatory handle (5) of screw rod (4), the bottom integration of going up flange (3) is provided with awl piece (9), be provided with case (8) in valve pipe (1), the bottom of case (8) is connected with a plurality of valve blocks (7), screw rod (4) lower extreme is connected with case (8).
2. A high temperature resistant FC valve according to claim 1, wherein: the outer surface cover of case (8) is equipped with seal ring (13), the surface of valve block (7) is provided with arc wall (10), and the cover is equipped with rubber lasso (11) on arc wall (10) of a plurality of valve block (7) surfaces, rubber lasso (11) external surface fixed cover is equipped with metal seal ring (12).
3. A high temperature resistant FC valve according to claim 2, wherein: the lower end of the valve core (8) is an inclined plane, the inner surface of the sealing ring (13) is an inclined plane and is attached to the outer peripheral surface of the valve core (8), and the upper surface of the rubber ring (11) is abutted to the lower surface of the sealing ring (13).
4. A high temperature resistant FC valve according to claim 3, wherein: the bottom of case (8) is provided with heat conduction sheetmetal (14), be provided with link chamber (17) in awl piece (9), the upper end of case (8) is connected with sleeve pipe (16), in sleeve pipe (16) upper end stretched into link chamber (17), in the lower extreme of screw rod (4) stretched into link chamber (17), sleeve pipe (16) cover is established at the surface of screw rod (4), be connected with communicating pipe (15) between case (8) and sleeve pipe (16), in heat conduction sheetmetal (14) and communicating pipe (15) intercommunication, communicating pipe (15) and sleeve pipe (16) internal communication.
5. A high temperature resistant FC valve according to claim 4, wherein: the sleeve (16) is connected with the screw (4) through a spline, and the screw (4) is fixedly connected with the upper end of the cone block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322747313.0U CN220891112U (en) | 2023-10-12 | 2023-10-12 | FC valve of high temperature resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322747313.0U CN220891112U (en) | 2023-10-12 | 2023-10-12 | FC valve of high temperature resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220891112U true CN220891112U (en) | 2024-05-03 |
Family
ID=90839129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322747313.0U Active CN220891112U (en) | 2023-10-12 | 2023-10-12 | FC valve of high temperature resistant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220891112U (en) |
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2023
- 2023-10-12 CN CN202322747313.0U patent/CN220891112U/en active Active
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