CN210265880U - Valve opening and closing device - Google Patents
Valve opening and closing device Download PDFInfo
- Publication number
- CN210265880U CN210265880U CN201921085323.XU CN201921085323U CN210265880U CN 210265880 U CN210265880 U CN 210265880U CN 201921085323 U CN201921085323 U CN 201921085323U CN 210265880 U CN210265880 U CN 210265880U
- Authority
- CN
- China
- Prior art keywords
- valve
- end cover
- support
- valve rod
- straight tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008676 import Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a valve headstock gear, its technical scheme main points are including end cover, valve rod and valve plate, are provided with the straight tube on the end cover, are provided with the support on the straight tube, are provided with the cylinder on the support, are provided with the telescopic shaft on the connection of cylinder, and support cavity supplies the telescopic shaft to pass, and the valve rod slides and sets up in the straight tube, and the one end and the telescopic shaft of valve rod are connected, and the other end of valve rod is connected on the valve plate, is provided with the vacuum cavity on the valve plate, is provided with on the valve rod and connects vacuum cavity and outside. The utility model discloses following beneficial effect has: when the high-temperature fluid contacts the valve plate, the vacuum cavity isolates the high temperature, and other parts are prevented from contacting the high-temperature fluid through the end cover, so that the damage is avoided. The end cover is arranged on the valve body, the valve plate extends into the valve body to open and close the valve, the installation is simple, the replacement is easy, the sealing performance is good, the parts are prevented from being damaged by high-temperature fluid, and the service life is prolonged.
Description
Technical Field
The utility model relates to a valve, more specifically say, it relates to a valve headstock gear.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). When high-temperature fluid is conveyed, the valve opening and closing device in contact with the fluid is easy to generate thermal expansion, and the thermal expansion amount of different parts is different, so that the parts are blocked, or the parts are loosened due to thermal exchange, and the sealing function is lost.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a valve headstock gear, the device can be easily changed, is applicable to high temperature fluid, has good sealing performance.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a valve headstock gear, is provided with the straight tube including end cover, valve rod and valve plate on the end cover, is provided with the support on the straight tube, is provided with the cylinder on the support, is provided with the telescopic shaft on the connection of cylinder, and support cavity supplies the telescopic shaft to pass, and the valve rod slides and sets up in the straight tube, and the one end and the telescopic shaft of valve rod are connected, and the other end of valve rod is connected on the valve plate, is provided with the vacuum chamber on the valve plate, is provided with on the valve rod and connects vacuum chamber.
The utility model discloses further set up to: the vacuum cavity is semicircular or arc-shaped.
The utility model discloses further set up to: the pipe wall of the straight pipe is provided with an air pipe, the valve rod is also provided with a groove connected with the air exhaust channel, and when the valve rod and the end cover are assembled, the groove is communicated with the air pipe.
The utility model discloses further set up to: the support includes straight tube flange, cylinder flange and two backup pads, and straight tube flange and cylinder flange are installed respectively on the both ends of two backup pads, are provided with the support flange that is used for linking bridge and two set-squares that are used for supporting the support flange on the straight tube, and straight tube flange and support flange link to each other, are provided with the takeover on the telescopic shaft, and the both ends of takeover are threaded connection respectively on telescopic shaft and valve rod.
The utility model discloses further set up to: the end cover is provided with a guide sleeve and three inclined support bars, one ends of the three support bars are connected to the guide sleeve at equal angles, the other ends of the three support bars are radially distributed at equal angles and connected with the end cover, the guide sleeve is sleeved on the valve rod, and the guide sleeve and the straight pipe are concentrically arranged.
The utility model discloses further set up to: an adjusting hand wheel used for adjusting the stroke of the telescopic shaft is arranged on the cylinder.
The utility model discloses further set up to: the end cover is in a circular plate shape, and the straight pipe is vertically arranged on the center of the end cover.
The utility model discloses further set up to: the valve body is provided with a mounting port, an outlet and an inlet, the mounting port is communicated with the outlet, a partition plate is arranged between the mounting port and the inlet, a partition plate hole is formed in the partition plate, the end cover is mounted on the mounting port, and the valve plate abuts against the partition plate hole to open and close the valve.
To sum up, the utility model discloses following beneficial effect has: the straight pipe has the effect of guiding the valve rod, so that the valve plate is accurately abutted against the valve port to be sealed, the precision is improved, the shake generated when the valve rod moves is reduced, the influence of vibration on the valve rod is reduced, and the valve plate is prevented from deviating from the valve port gas flowing water to be sealed or adjusted. The valve plate is controlled through the air cylinder, and the quick response capability is realized. The heat insulation effect is enhanced through the vacuum cavity. When the high-temperature fluid contacts the valve plate, the vacuum cavity isolates the high temperature, and other parts are prevented from contacting the high-temperature fluid through the end cover, so that the damage is avoided. The end cover is arranged on the valve body, the valve plate extends into the valve body to open and close the valve, the installation is simple, the replacement is easy, the sealing performance is good, the parts are prevented from being damaged by high-temperature fluid, and the service life is prolonged.
Drawings
FIG. 1 is a schematic perspective view of a valve opening/closing device;
FIG. 2 is a schematic sectional view of the valve opening/closing device;
FIG. 3 is a schematic perspective view of an end cap of the valve opening and closing device;
FIG. 4 is a schematic diagram of a three-dimensional structure of a cylinder of the valve opening and closing device;
fig. 5 is a schematic structural diagram of a valve body of the valve opening and closing device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-5, a valve opening and closing device comprises an end cover 1 and a valve plate 2, wherein a straight pipe 11 is arranged on the end cover 1, a support 3 is arranged on the straight pipe 11, an air cylinder 4 is arranged on the support 3, a telescopic shaft 41 is arranged on the connecting end of the air cylinder 4, the hollow part of the support 3 is used for the telescopic shaft 41 to pass through, a valve rod 22 is arranged in the straight pipe 11 in a sliding mode, one end of the valve rod 22 is connected with the telescopic shaft 41, the other end of the valve rod 22 is connected to the valve plate 2, a vacuum cavity 21 is arranged on the valve plate 2, and an air suction channel 221 for connecting.
Through the above scheme, the straight pipe 11 has the effect of guiding the valve rod 22, so that the valve plate 2 is accurately abutted against the valve port to be sealed, the precision is improved, the shake generated when the valve rod 22 moves is reduced, the influence of vibration on the valve rod 22 is reduced, and the valve plate 2 is prevented from deviating from the valve port gas flowing water to be sealed or adjusted. The valve plate 2 is controlled by the cylinder 4, and the quick response capability is realized. The thermal insulation effect is enhanced by the vacuum chamber 21. When the high-temperature fluid contacts the valve plate 2, the vacuum cavity 21 isolates the high temperature, and other parts are prevented from contacting the high-temperature fluid through the end cover 1, so that the damage is avoided. The end cover 1 is installed on the valve body, the valve plate 2 extends into the valve body to open and close the valve, the installation is simple, the replacement is easy, the sealing performance is good, high-temperature fluid is prevented from damaging parts, and the service life is prolonged.
As a modified embodiment, the vacuum chamber 21 has a semicircular or arc shape.
Through above-mentioned scheme, be applicable to most hole or valve port, have good heat insulation effect.
As a modified specific embodiment, the pipe wall of the straight pipe 11 is provided with the air pipe 112, the valve rod 22 is further provided with a groove 222 connected with the air exhaust channel 221, and when the valve rod 22 is assembled with the end cover 1, the groove 222 is communicated with the air pipe 112.
Through the above scheme, the vacuum cavity 21 can be controlled through the air pipe 112, so that air in the vacuum cavity 32 can be conveniently extracted through the air pipe 112, and the vacuum-pumping equipment can be conveniently connected.
As a modified specific embodiment, the support 3 includes a straight pipe flange 31, a cylinder flange 33 and two support plates 32, the straight pipe flange 31 and the cylinder flange 33 are respectively installed at two ends of the two support plates 32, the straight pipe 11 is provided with a support flange 111 for connecting the support 3 and two triangular plates 113 for supporting the support flange 111, the straight pipe flange 31 is connected with the support flange 111, the telescopic shaft 41 is provided with a connecting pipe 42, and two ends of the connecting pipe 42 are respectively screwed on the telescopic shaft 41 and the valve rod 22.
Through the above scheme, flange joint does benefit to and strengthens joint strength, is difficult not hard up and warp, and backup pad 32 supports and has higher intensity, is convenient for adjust takeover 42. The distance between the telescopic shaft 41 and the valve rod 22 is adjusted by rotating the adapter tube 42, so that the valve plate 2 is adjusted. And the valve plate 2 can be adjusted without using the cylinder 4 for adjustment.
As a modified specific implementation mode, the end cover 1 is provided with a guide sleeve 13 and three inclined support bars 12, one ends of the three support bars 12 are connected to the guide sleeve 13 at equal angles, the other ends of the three support bars 12 are distributed radially at equal angles and connected with the end cover 1, the guide sleeve 13 is sleeved on the valve rod 22, and the guide sleeve 13 and the straight pipe 11 are arranged concentrically.
Through the above scheme, the guide sleeve 13 has the function of guiding the valve rod 22, so that the valve plate 2 is accurately abutted against the valve port to be sealed, the precision is improved, the shake generated when the valve rod 22 moves is reduced, the influence of vibration on the valve rod 22 is reduced, and the valve plate 2 is prevented from deviating from the valve port or hole to be sealed. The supporting strips 12 distributed at equal angles have the function of stabilizing the guide sleeve 13, the guide sleeve 13 is not easy to deform due to the inclination of the supporting strips 12, meanwhile, the distance between the supporting strips and the end cover 2 is increased, and the guiding and stabilizing effects on the valve rod 22 are enhanced.
As a modified specific embodiment, the cylinder 4 is provided with an adjusting hand wheel 43 for adjusting the stroke of the telescopic shaft 41.
Through above-mentioned scheme, adjust the stroke through adjusting handle 43, adjust valve plate 2, strengthen regulating speed and sealed effect.
As a modified specific embodiment, the end cover 1 is in a circular plate shape, and the straight pipe 11 is vertically arranged on the center of the end cover 1.
Through the scheme, the round structure is beneficial to installation, and has the effects of difficult deformation and easy use. The straight pipe 11 is perpendicular to the end cover 1, so that the strength of the straight pipe 11 is improved, and the guiding effect of the straight pipe 11 on the valve rod 22 is enhanced.
As a modified specific embodiment, the valve further comprises a valve body 5, wherein the valve body 5 is provided with a mounting port 52, an outlet 53 and an inlet 54, the mounting port 52 is communicated with the outlet 53, a partition plate 51 is arranged between the mounting port 52 and the inlet 54, a partition plate hole 511 is formed in the partition plate 51, the end cover 1 is mounted on the mounting port 52, and the valve plate 2 abuts against the partition plate hole 511 to open and close the valve.
Through the scheme, the valve plate 2 is controlled to open or close the partition plate hole 511, the valve is opened and closed, high-temperature fluid flows into the valve through the inlet 54, and the contact of the opening and closing device and the high-temperature fluid is reduced. The vacuum chamber 21 is insulated from high temperature when high temperature fluid is in contact with the valve plate 2. The end cover 1 is installed on the installation opening 52, the installation is simple, the replacement is easy, high-temperature fluid is prevented from flowing out of the valve body 1, the sealing performance is good, when the partition plate hole 511 is opened, other parts outside the valve body are prevented from contacting with the high-temperature fluid, the parts are prevented from being damaged by the high-temperature fluid, and the service life is prolonged.
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 (8)
1. The utility model provides a valve headstock gear, including end cover (1), valve rod (22) and valve plate (2), characterized by: be provided with straight tube (11) on end cover (1), be provided with support (3) on straight tube (11), be provided with cylinder (4) on support (3), be provided with telescopic shaft (41) on the connection of cylinder (4), support (3) cavity supplies telescopic shaft (41) to pass, valve rod (22) slide and set up in straight tube (11), the one end and the telescopic shaft (41) of valve rod (22) are connected, the other end of valve rod (22) is connected on valve plate (2), be provided with vacuum cavity (21) on valve plate (2), be provided with on valve rod (22) and connect vacuum cavity (21) and outside bleed passage (221).
2. The valve gate of claim 1, wherein: the vacuum cavity (21) is semicircular or arc-shaped.
3. The valve gate of claim 2, wherein: an air pipe (112) is arranged on the pipe wall of the straight pipe (11), a groove (222) connected with an air exhaust channel (221) is further formed in the valve rod (22), and when the valve rod (22) and the end cover (1) are assembled, the groove (222) is communicated with the air pipe (112).
4. The valve gate of claim 3, wherein: support (3) include straight tube flange (31), cylinder flange (33) and two backup pads (32), install respectively on the both ends of two backup pads (32) straight tube flange (31) and cylinder flange (33), be provided with support flange (111) that are used for linking bridge (3) and two set-square (113) that are used for supporting support flange (111) on straight tube (11), straight tube flange (31) and support flange (111) link to each other, be provided with on telescopic shaft (41) and take over (42), threaded connection is on telescopic shaft (41) and valve rod (22) respectively at the both ends of taking over (42).
5. The valve gate of claim 4, wherein: be provided with uide bushing (13) and support bar (12) of three slope on end cover (1), it is three the one end isogonic connection of support bar (12) is on uide bushing (13), and is three the other end isogonic radial distribution of support bar (12) is connected with end cover (1), uide bushing (13) cover is established on valve rod (22), uide bushing (13) and straight tube (11) set up with one heart.
6. The valve gate of claim 1, wherein: and an adjusting hand wheel (43) for adjusting the stroke of the telescopic shaft (41) is arranged on the cylinder (4).
7. The valve gate of claim 1, wherein: the end cover (1) is in a circular plate shape, and the straight pipe (11) is vertically arranged on the center of the end cover (1).
8. The valve gate of claim 1, wherein: still include valve body (5), valve body (5) are provided with installing port (52), export (53) and import (54), installing port (52) and export (53) are linked together, be provided with baffle (51) between installing port (52) and import (54), be provided with baffle hole (511) on baffle (51), install on installing port (52) end cover (1), valve plate (2) support and lean on baffle hole (511), the stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085323.XU CN210265880U (en) | 2019-07-11 | 2019-07-11 | Valve opening and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085323.XU CN210265880U (en) | 2019-07-11 | 2019-07-11 | Valve opening and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265880U true CN210265880U (en) | 2020-04-07 |
Family
ID=70048732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921085323.XU Expired - Fee Related CN210265880U (en) | 2019-07-11 | 2019-07-11 | Valve opening and closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210265880U (en) |
-
2019
- 2019-07-11 CN CN201921085323.XU patent/CN210265880U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |