CN200943754Y - Quick open-close operation device of swing valve plate - Google Patents
Quick open-close operation device of swing valve plate Download PDFInfo
- Publication number
- CN200943754Y CN200943754Y CN 200620027146 CN200620027146U CN200943754Y CN 200943754 Y CN200943754 Y CN 200943754Y CN 200620027146 CN200620027146 CN 200620027146 CN 200620027146 U CN200620027146 U CN 200620027146U CN 200943754 Y CN200943754 Y CN 200943754Y
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- valve plate
- rotating shaft
- engages
- 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
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Abstract
The utility model relates to a fast open-close control mechanism for a swing opening valve plate, which comprises a shaft supporting a valve body. Outer side piece of the valve body is provided with a hand wheel; the valve body has a fixed rocker inside, the end shaft of the rocker connects with a connecting rod, the end of which connects with a bearing shaft of the valve plate. The valve body corresponding to the rocker swaying three to seven degrees that pass the largest swung content of the valve plate has a limit pole for the rocker. The control mechanism of the valve, using the property of hinged four linked-bar, executes the fast open-close of the valve plate with a small degree swinging of the shaft; particularly, the close of the valve plate can be automated via the fluid pressure in the valve. Valves with the control mechanisms are especially suitable for various pressure pipeline control systems requiring fast interruption, and, if combined with water-hammer elimination structure of check valves, can also be used in high pressure pipeline control systems. The utility model has prominent advantages of rational structure and fast open-close.
Description
Technical field
The utility model belongs to valve, especially a kind of fast opening and closing operating mechanism of rotary valve plate.
Background technique
Do to revolve in the valve that starts work at industrial valve plate, the operating mechanism of valve generally all is a screw thread transmission operating mechanism, wherein also comprises turbine worm mechanism.Above-mentioned operating mechanism is for adjusting or to change the process of valve state slower, particularly from the maximum of valve be opened to close slow especially.
Summary of the invention
The utility model is to do to revolve and start the screw thread transmission operating mechanism done for the process of adjusting or changing valve state technical problem slowly in order to solve valve plate, and proposes a kind of fast opening and closing operating mechanism of rotary valve plate.
The utility model is taked following technological scheme: be made up of valve body, rotary valve plate, it is characterized in that: the rotating shaft that is supported in valve body, its valve body external lateral portion is provided with handwheel, the valve inner branch is fixed with rocking bar, the end axis of rocking bar is connected with connecting rod, interlinking lever end is connected with the bearing axle that valve plate is provided with, and the 3-7 ° of pairing valve body of rocking bar pendulum angle when opening greater than valve plate is maximum is provided with the limiting block of rocking bar.
The utility model can also be taked following technical measures:
Described valve body is provided with the damper that engages with the valve plate that revolves after opening.
Described damper is made of the push rod in externally threaded blind pipe and fastening locknut thereof, the blind pipe and pressure spring thereof, the roller of push rod bottom, the spacing locknut of push rod of blind pipe bottom, and the push rod upper end is provided with the boss that engages with the spacing locknut of push rod.
The valve body surface of its two ends correspondence of described rotating shaft is provided with jacket casing and is threadedly connected to the end cap of jacket casing, its rotating shaft one end is provided with in the valve body inboard and covers joint gap between rotating shaft and the valve body, and constitute the cone seal plug of conical surface seal pair with pairing valve body, rotating shaft in the jacket casing is provided with square toes, its end cap central bore rotational support has buffer shaft, buffer shaft is provided with the square shaped core chamber that engages with the rotating shaft square toes, its bead is provided with the positive stop lug boss that engages with the end cap interior edge face, the buffer shaft in the end cap outside is provided with the backing pin that engages with the end cap exterior edge face, and buffer shaft is installed handwheel; Be provided with the energy storage helical spring in the pairing jacket casing in rotating shaft the other end, its upper end engages with end cap, and the lower end is provided with the backing plate that has ball recess and ball thereof, and ball rolls with the top cover that is set in the rotating shaft axle head and engages.
The beneficial effects of the utility model and advantage are: the operating mechanism of this valve utilizes the characteristic of hinged four connecting rods, rotates revolving fast of valve plate of acquisition with the rotating shaft small angle and opens or close, and particularly the pass closed procedure of valve plate can be closed automatically by the valve fluid pressure.Use the valve of this operating mechanism to be specially adapted to combine if eliminate the water hammer structure in the general pressure piping control system that various needs end fast, also can be used in the high pressure pipeline control system with safety check.The utlity model has outstanding advantage rational in infrastructure, fast opening and closing.
Description of drawings
One of accompanying drawing 1 example structure partial cutaway schematic.
Two of accompanying drawing 2 example structure partial cutaway schematic.
Three of accompanying drawing 3 example structure partial cutaway schematic.
Accompanying drawing 4 damper structure semi-section schematic representation.
Accompanying drawing 5 rotating shaft end sealing configuration partial cutaway schematic.
Number in the figure: 1 valve body, 1-1 limiting block, 1-2 jacket casing, 1-3 end cap, 2 valve plates, 3 handwheels, 4 rotating shafts, 4-1 cone seal plug, 5 rocking bars, 6 connecting rods, 7 bearings, 8 dampers, 8-1 blind pipe, 8-2 spring, the fastening locknut of 8-3,8-4 pad, 8-5 push rod, the spacing locknut of 8-6 push rod, the 8-7 roller, 9 backing pins, 10 energy storage helical springs, 11 backing plates, 12 balls, 13 top covers, 14 buffer shafts, 14-1 positive stop lug boss.
Embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
As shown in Figure 1, rotating shaft 4 is supported in the valve body 1 that is made of the butt joint of two halves valve body, and rotating shaft 4 is provided with handwheel 3 in the outer end of valve body 1, and part is fixed with rocking bar 5 in its valve, and the end axis of rocking bar 5 is connected with connecting rod 6, and connecting rod 6 ends are connected with 7 of the bearings that valve plate 2 is provided with.The valve plate 2 of Fig. 1 is a buttoned-up status.In addition, valve body 1 top is provided with damper 8.
As shown in Figure 2, rotating shaft 4 rotates counterclockwise, and its valve plate 2 revolves the state of opening for maximum when rocking bar 5 and connecting rod 6 are a straight line, and this moment, the damper 8 on valve body 1 top engaged with valve plate.The effect of damper 8 is to avoid valve plate to produce vibration when fluid impact,, thus the friction between minimizing rocking bar, connecting rod and the rotating shaft.
As shown in Figure 3, to be rocking bar 5 at valve plate 2 revolve for maximum on the basis of opening state position (among the figure shown in the dotted line) continues to rotate counterclockwise in rotating shaft 4, and this moment, rocking bar 5 engaged with the limiting block 1-1 of valve body 1 setting, and valve plate 2 will be in the stable state of opening that revolves.The damper 8 on valve body 1 top still engages with valve plate.The position of the limiting block 1-1 of rocking bar 5 should make valve plate 2 stable rocking bar 5 leading valve plate 2 maximums of revolving when opening state revolve to open in the state rocking bar position 3-7 ° scope and select, and its objective is to have guaranteed that promptly valve plate 2 is in the stable state of opening that revolves, and does not influence the flow of valve again.
Clockwise rotate rotating shaft 4 on the basis of rocking bar shown in Figure 35 positions, in case the position that rocking bar shown in the dotted line 5 among the figure is crossed in rocking bar 5 positions, valve plate 2 will be closed rapidly automatically by the valve fluid pressure, and arrow i represents flow direction among the figure.Be provided with the elastic packing that is same as known technology between above embodiment's valve plate and the valve body joining portion.
As shown in Figure 4, damper 8 is made of the push rod 8-5 in externally threaded blind pipe 8-1 and fastening locknut 8-3 thereof and pad 8-4, the blind pipe and pressure spring 8-2 thereof, the roller 8-7 of push rod bottom, the spacing locknut 8-6 of push rod of blind pipe bottom, and push rod 8-5 upper end is provided with the boss that engages with the spacing locknut 8-6 of push rod.Spacing locknut 8-6 of push rod and fastening locknut 8-3 and pad 8-4 thereof are anchored on valve body 1 with damper 8, and its connecting part should be provided with elastic seal ring.
As shown in Figure 5, valve body 1 surface of rotating shaft 4 its two ends correspondences is provided with jacket casing 1-2 and is threadedly connected to the end cap 1-3 of jacket casing, diagram rotating shaft 4 right parts be provided with in the inboard of valve body cover joint gap between rotating shaft and the valve body and constitute the cone seal plug 4-1 of conical surface seal pair with pairing valve body, the rotating shaft in the jacket casing is provided with square toes.The end cap 1-3 center hole rotational support of rotating shaft right part correspondence has buffer shaft 14, buffer shaft 14 is provided with the square shaped core chamber that engages with the rotating shaft square toes, its bead is provided with the positive stop lug boss 14-1 that engages with the end cap interior edge face, the buffer shaft in the end cap outside is provided with the backing pin 9 that engages with the end cap exterior edge face, and buffer shaft 14 is installed handwheel 3.Be provided with energy storage helical spring 10 among the diagram rotating shaft pairing jacket casing 1-2 in 4 left parts, its upper end engages with end cap 1-3, and the lower end is provided with the backing plate 11 that has ball recess and ball 12 thereof, and ball 12 rolls with the top cover 13 that is set in rotating shaft 4 axle heads and engages.
Claims (4)
1, the fast opening and closing operating mechanism of rotary valve plate, by valve body, revolve the valve plate of start doing and formed, it is characterized in that: the rotating shaft that is supported in valve body, its valve body external lateral portion is provided with handwheel, the valve inner branch is fixed with rocking bar, the end axis of rocking bar is connected with connecting rod, and the bearing axle that interlinking lever end and valve plate are provided with is connected, and revolves the limiting block that 3-7 ° of pairing valve body of rocking bar pendulum angle when opening is provided with rocking bar greater than the valve plate maximum.
2, fast opening and closing operating mechanism according to claim 1, it is characterized in that: described valve body is provided with the damper that engages with the valve plate that revolves after opening.
3, fast opening and closing operating mechanism according to claim 2, it is characterized in that: described damper is made of the push rod in externally threaded blind pipe and fastening locknut thereof, the blind pipe and pressure spring thereof, the roller of push rod bottom, the spacing locknut of push rod of blind pipe bottom, and the push rod upper end is provided with the boss that engages with the spacing locknut of push rod.
4, fast opening and closing operating mechanism according to claim 1, it is characterized in that: the valve body surface of its two ends correspondence of described rotating shaft is provided with jacket casing and is threadedly connected to the end cap of jacket casing, its rotating shaft one end is provided with in the valve body inboard and covers joint gap between rotating shaft and the valve body, and constitute the cone seal plug of conical surface seal pair with pairing valve body, rotating shaft in the jacket casing is provided with square toes, its end cap central bore rotational support has buffer shaft, buffer shaft is provided with the square shaped core chamber that engages with the rotating shaft square toes, its bead is provided with the positive stop lug boss that engages with the end cap interior edge face, the buffer shaft in the end cap outside is provided with the backing pin that engages with the end cap exterior edge face, and buffer shaft is installed handwheel; Be provided with the energy storage helical spring in the pairing jacket casing in rotating shaft the other end, its upper end engages with end cap, and the lower end is provided with the backing plate that has ball recess and ball thereof, and ball rolls with the top cover that is set in the rotating shaft axle head and engages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620027146 CN200943754Y (en) | 2006-08-28 | 2006-08-28 | Quick open-close operation device of swing valve plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620027146 CN200943754Y (en) | 2006-08-28 | 2006-08-28 | Quick open-close operation device of swing valve plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200943754Y true CN200943754Y (en) | 2007-09-05 |
Family
ID=38718387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620027146 Expired - Fee Related CN200943754Y (en) | 2006-08-28 | 2006-08-28 | Quick open-close operation device of swing valve plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200943754Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191385A (en) * | 2020-09-25 | 2021-01-08 | 李龙方 | Anticorrosive intelligent processing equipment of wood branch of academic or vocational study is built to gardens wood bridge |
-
2006
- 2006-08-28 CN CN 200620027146 patent/CN200943754Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191385A (en) * | 2020-09-25 | 2021-01-08 | 李龙方 | Anticorrosive intelligent processing equipment of wood branch of academic or vocational study is built to gardens wood bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 |