CN201013918Y - Quick-acting shutoff valve - Google Patents
Quick-acting shutoff valve Download PDFInfo
- Publication number
- CN201013918Y CN201013918Y CNU2007200952645U CN200720095264U CN201013918Y CN 201013918 Y CN201013918 Y CN 201013918Y CN U2007200952645 U CNU2007200952645 U CN U2007200952645U CN 200720095264 U CN200720095264 U CN 200720095264U CN 201013918 Y CN201013918 Y CN 201013918Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- crank
- rod
- rapid
- 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
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a fast closing valve, comprising a valve body, an upper valve cover, and a lifting valve plate with a guiding rod. The utility model is characterized in that a crank is arranged at the outer side of the valve body, a rocker shaft is fixed at the inner side of the valve body, and a link rod is positioned at the end of the rocker shaft. The end of the link rod is connected with a supporting shaft arranged at the bottom of the valve plate. An adjustable over-speed governor used for enabling the valve body to stay at the opening status stably is positioned in the valve body corresponding to the rotating path of the rocker shaft. An operating mechanism of the valve utilizes the characteristic of the kink four bar linkage machine to achieve the fast closing of the valve plate in a small-angle rotating, and the utility model can be closed automatically in virtue of the liquid pressure in the interior of the valve body. The valve with the operating mechanism is especially suitable to the pressure pipeline control system demanding various fast stops, and if the utility model is connected with a structure water hammer elimination of a check valve, the valve can also be used in the control system of high pressure pipeline. The utility model has the advantages of reasonable structure and fast closing.
Description
Technical field
The utility model belongs to valve, especially a kind of rapid-closure damper.
Background technique
Do in the valve of lifting action 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, desired rapid-closure damper when especially being unfavorable for accident treatment.
Summary of the invention
The utility model is in order to solve the closed condition of process screw thread transmission operating mechanism that valve plate makes lifting action is opened to to(for) the maximum of valve technical problem slowly, and proposes a kind of rapid-closure damper.
The utility model is taked following technological scheme: be made up of valve body, bonnet, the lifting valve plate that has a guide rod, it is characterized in that: its valve body external lateral portion of rotating shaft that is supported in valve body is provided with crank, the valve body inside part 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 the valve plate bottom is provided with, and is provided with at the pairing valve body of rocking bar rotary motion trace to make valve plate be stable at the adjustable limiting device of opening state.
The utility model can also be taked following technical measures:
Described bonnet be provided with open after the damper that engages of valve plate, damper is by two ends are provided with outside thread, the centre is provided with to be engaged with the bonnet bottom surface the boss and the blind pipe of sealing gasket thereof, the blind pipe upper external screw thread is provided with and makes the set screw nut of damper tightening in bonnet, be provided with in the blind pipe by spring-supported push rod, the push rod bottom is provided with roller, blind pipe lower end outside thread is provided with the spacing locknut of push rod, and spacing locknut is provided with the location fluting of roller.
Its two end supports of described rotating shaft is being threadedly connected to the jacket casing of valve body, each jacket casing is provided with end cap, crank one end of rotating shaft is provided with frustum, this frustum and pairing jacket casing end are along constituting the conical surface seal pair, the jacket casing and the end cap of the rotating shaft the other end are connected as a single entity, and are provided with the back shaft of band boss in the jacket casing, are provided with the energy storage helical spring between the boss of back shaft and the end cap, boss is arranged with the ball in recess and the recess, and this end end face of ball and rotating shaft engages.
The end face of its crank one end of described rotating shaft is provided with square groove, this square groove is connected with the valve rod that is supported in the jacket casing end cap central bore, valve rod is provided with the shaft shoulder with end cap interior edge face sealing engagement, be provided with supported spring between the edge, the inner of jacket casing and the valve rod shaft shoulder, the outer square end of valve rod is socketed with rocking arm; the sleeve outer circle face of rocking arm is set with crank, and rocking arm is provided with the block that engages with crank, and valve rod is provided with the nut that prevents that crank and rocking arm from coming off.
Described valve rod, its shaft shoulder and end cap constitute the conical surface seal pair.
Described valve rod is provided with sealing gasket between its shaft shoulder and the end cap.
Be provided with the double rolling key clutch of band pusher dog between described valve rod and the crank.
Described adjustable limiting device is made of the adjusting screw and the locking nut that are threaded with the valve body inboard.
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 the quick closedown that obtains valve plate with the rotating shaft small angle, and it closes closed procedure can close 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 pipe line control system with safety check.The utlity model has outstanding advantage rational in infrastructure, quick closedown.
Description of drawings
One of accompanying drawing 1 example structure generalized section.
Two of accompanying drawing 2 example structure generalized sections.
Three of accompanying drawing 3 example structure generalized sections.
Accompanying drawing 4 rotating shafts and dependency structure partial cutaway schematic thereof.
Another example structure generalized section of sealing configuration of accompanying drawing 5 rotating shaft crank ends.
Another sealing configuration of accompanying drawing 6 rotating shaft crank ends and rotating shaft and another linkage structure generalized section of crank.
Accompanying drawing 7 damper structure semi-section schematic representation.
Number in the figure: 1 valve body, 2 bonnets, 3 valve plates, 3-1 guide rod, 4 dampers, the 4-1 blind pipe, 4-2 set screw nut, 4-3 packing ring, 4-4 boss, the spacing locknut of 4-5, the 4-6 roller, the 4-7 push rod, 4-8 keeps away the spring that shakes, 5 connecting rods, 6 rocking bars, 7 rotating shafts, 8 adjustable limiting devices, 9 jacket casings, 10 springs, 11 rocking arms, the 11-1 block, 12 cranks, 13 Drop-proof nuts, 14 valve rods, 15 jacket casing end caps, 16 balls, 17 back shafts, 18 sealing gaskets, 19 double rolling key clutchs.
Embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
As shown in Figure 1, rotating shaft 7 is supported in valve body 1, and its valve inside part is fixed with rocking bar 6, and the end axis of rocking bar is connected with connecting rod 5, and interlinking lever end is connected with the bearing axle that valve plate 3 bottoms are provided with.The valve plate 3 of Fig. 1 is a buttoned-up status.In addition, bonnet 2 tops are provided with damper 4, and the pairing valve body of diagram rocking bar 6 rotary motion trace is provided with adjustable limiting device 8.The effect of damper is to avoid valve plate to produce vibration when fluid impact, thereby reduces the friction between rocking bar, connecting rod and the rotating shaft.
As shown in Figure 2, rocking bar 6 continues to clockwise rotate on the basis of maximum open position at valve plate 3, and this moment, rocking bar engaged with the adjustable limiting device 8 that valve body 1 is provided with, and valve plate will be in stable opening state.This moment, the damper 4 on bonnet 2 tops still engaged with valve plate.The adjustment of adjustable limiting device 8 should make valve plate stablize outside the opening state, also will consider not influence the flow of valve, and arrow i represents flow direction among the figure.Described adjustable limiting device 8 is made of the adjusting screw and the locking nut that are threaded with valve body 1 inboard.
As shown in Figure 3, rotating shaft 7 rotates counterclockwise, and is that this moment, valve plate 3 was closed rapidly under action of gravity and fluid effect after a straight line made valve plate 3 for maximum opening state at rocking bar 6 and connecting rod 5.The damper 4 on valve body 1 top engages with valve plate.
As shown in Figure 4, the two ends of rotating shaft 7 are supported on the jacket casing 9 that is threadedly connected to valve body 1 respectively, and the left end of diagram rotating shaft 7 is that crank one end is provided with frustum, and this frustum and pairing jacket casing 9 ends are along constituting the conical surface seal pair.Rotating shaft 7 left end end faces are provided with square groove, this square groove is connected with the valve rod 14 that is supported in jacket casing end cap 15 center holes, valve rod is provided with the shaft shoulder with end cap interior edge face sealing engagement, be provided with supported spring 10 between the edge, the inner of jacket casing 9 and the valve rod shaft shoulder, the outer square end of valve rod 14 is socketed with rocking arm 11; the sleeve outer circle face of rocking arm is set with crank 12, and rocking arm 11 is provided with the block 11-1 that engages with crank, and valve rod 14 is provided with the nut 13 that prevents that crank and rocking arm from coming off.The rocking arm 11 of present embodiment is stressed in crank 12, and when valve plate 3 quick closedowns, rocking arm 11 will break away from crank 12 thereupon rotating, thereby can avoid the harm of the impact force of crank to the operator.
The jacket casing 9 and the end cap of rotating shaft 7 the other ends are connected as a single entity, be provided with the back shaft 17 of band boss in the jacket casing 9, be provided with energy storage helical spring 10 between the boss of back shaft and the jacket casing end cap, boss is arranged with the ball 16 in recess and the recess, and ball engages with rotating shaft 7 these end end faces.
The valve rod 14 of rotating shaft 7 left ends can also be taked structure as shown in Figure 5 with the seal form of end cap 15.Among Fig. 5, the shaft shoulder of valve rod 14 and end cap 15 constitute the conical surface seal pair.
The valve rod 14 of rotating shaft 7 left ends can also be taked structure as shown in Figure 6 with the seal form of end cap 15.Among Fig. 6, be provided with sealing gasket 18 between the shaft shoulder of valve rod 14 and the end cap 15.
Among Fig. 6, be provided with the double rolling key clutch 19 of band pusher dog between valve rod 14 and the crank 12, this clutch is the commercially available prod.The purpose of the double rolling key clutch of use band pusher dog is identical with the rocking arm 11 among Fig. 4,5.
As shown in Figure 7, the damper 4 of being located at bonnet is provided with by blind pipe 4-1, the blind pipe upper external screw thread of two ends are provided with outside thread, the centre is provided with to be engaged with the bonnet bottom surface boss 4-4 and sealing gasket thereof and makes damper tightening forming by keeping away the push rod 4-7 that the spring 4-8 that shakes supports and the roller 4-6 of push rod bottom and the spacing spacing locknut 4-5 of push rod that makes of blind pipe lower end outside thread setting in the set screw nut 4-2 of bonnet and packing ring 4-3, blind pipe.Wherein spacing locknut 4-5 is provided with the rectangular location fluting (not shown) that makes roller 4-6.Can adjust the height that push rod 4-7 is roller 4-6 by spacing locknut 4-5.
Claims (8)
1. rapid-closure damper, formed by valve body, bonnet, the lifting valve plate that has a guide rod, it is characterized in that: its valve body external lateral portion of rotating shaft that is supported in valve body is provided with crank, the valve body inside part 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 the valve plate bottom is provided with, and is provided with at the pairing valve body of rocking bar rotary motion trace to make valve plate be stable at the adjustable limiting device of opening state.
2. rapid-closure damper according to claim 1, it is characterized in that: described bonnet be provided with open after the damper that engages of valve plate, damper is by two ends are provided with outside thread, the centre is provided with to be engaged with the bonnet bottom surface the boss and the blind pipe of sealing gasket thereof, the blind pipe upper external screw thread is provided with and makes the set screw nut of damper tightening in bonnet, be provided with in the blind pipe by spring-supported push rod, the push rod bottom is provided with roller, blind pipe lower end outside thread is provided with the spacing locknut of push rod, and spacing locknut is provided with the location fluting of roller.
3. rapid-closure damper according to claim 1, it is characterized in that: its two end supports of described rotating shaft is being threadedly connected to the jacket casing of valve body, each jacket casing is provided with end cap, crank one end of rotating shaft is provided with frustum, this frustum and pairing jacket casing end are along constituting the conical surface seal pair, the jacket casing and the end cap of the rotating shaft the other end are connected as a single entity, be provided with the back shaft of band boss in the jacket casing, be provided with the energy storage helical spring between the boss of back shaft and the end cap, boss is arranged with the ball in recess and the recess, and this end end face of ball and rotating shaft engages.
4. according to claim 1 or 3 described rapid-closure dampers, it is characterized in that: the end face of its crank one end of described rotating shaft is provided with square groove, this square groove is connected with the valve rod that is supported in the jacket casing end cap central bore, valve rod is provided with the shaft shoulder with end cap interior edge face sealing engagement, be provided with supported spring between the edge, the inner of jacket casing and the valve rod shaft shoulder, the outer square end of valve rod is socketed with rocking arm; the sleeve outer circle face of rocking arm is set with crank; rocking arm is provided with the block that engages with crank, and valve rod is provided with the nut that prevents that crank and rocking arm from coming off.
5. rapid-closure damper according to claim 4 is characterized in that: described valve rod, its shaft shoulder and end cap constitute the conical surface seal pair.
6. rapid-closure damper according to claim 4 is characterized in that: described valve rod is provided with sealing gasket between its shaft shoulder and the end cap.
7. rapid-closure damper according to claim 1 is characterized in that: the double rolling key clutch that is provided with the band pusher dog between described valve rod and the crank.
8. rapid-closure damper according to claim 1 is characterized in that: described adjustable limiting device is made of the adjusting screw and the locking nut that are threaded with the valve body inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200952645U CN201013918Y (en) | 2007-02-13 | 2007-02-13 | Quick-acting shutoff valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200952645U CN201013918Y (en) | 2007-02-13 | 2007-02-13 | Quick-acting shutoff valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201013918Y true CN201013918Y (en) | 2008-01-30 |
Family
ID=39025712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200952645U Expired - Fee Related CN201013918Y (en) | 2007-02-13 | 2007-02-13 | Quick-acting shutoff valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201013918Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016828A (en) * | 2013-01-08 | 2013-04-03 | 湖南工业职业技术学院 | Mechanical normally-closed pressure valve |
| CN103168191A (en) * | 2010-04-27 | 2013-06-19 | 德莱赛公司 | Pneumatic controlled slam shut valve |
| CN108442488A (en) * | 2018-05-31 | 2018-08-24 | 深圳市博电电子技术有限公司 | Toilet seat and flushing mechanism |
| CN108517940A (en) * | 2018-05-31 | 2018-09-11 | 深圳市博电电子技术有限公司 | Toilet seat, flushing mechanism and storage pressure component |
| CN108644457A (en) * | 2018-05-31 | 2018-10-12 | 深圳市博电电子技术有限公司 | connecting rod valve mechanism |
| CN108916403A (en) * | 2018-07-24 | 2018-11-30 | 北票真空设备有限公司 | A kind of heavy caliber cap of high-vacuum baffle valve mechanism for capableing of two way seal |
-
2007
- 2007-02-13 CN CNU2007200952645U patent/CN201013918Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103168191A (en) * | 2010-04-27 | 2013-06-19 | 德莱赛公司 | Pneumatic controlled slam shut valve |
| US9027581B2 (en) | 2010-04-27 | 2015-05-12 | Dresser, Inc. | Pneumatic controlled slam shut valve |
| CN103016828A (en) * | 2013-01-08 | 2013-04-03 | 湖南工业职业技术学院 | Mechanical normally-closed pressure valve |
| CN108442488A (en) * | 2018-05-31 | 2018-08-24 | 深圳市博电电子技术有限公司 | Toilet seat and flushing mechanism |
| CN108517940A (en) * | 2018-05-31 | 2018-09-11 | 深圳市博电电子技术有限公司 | Toilet seat, flushing mechanism and storage pressure component |
| CN108644457A (en) * | 2018-05-31 | 2018-10-12 | 深圳市博电电子技术有限公司 | connecting rod valve mechanism |
| CN108916403A (en) * | 2018-07-24 | 2018-11-30 | 北票真空设备有限公司 | A kind of heavy caliber cap of high-vacuum baffle valve mechanism for capableing of two way seal |
| CN108916403B (en) * | 2018-07-24 | 2020-01-07 | 北票真空设备有限公司 | Large-caliber high-vacuum baffle valve mechanism capable of being sealed in two directions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201013918Y (en) | Quick-acting shutoff valve | |
| CN206682403U (en) | Double acting three-position type angle stroke pneumatic actuator | |
| CN203176504U (en) | Spring-reset three-position type pneumatic actuator | |
| CN204554006U (en) | There is the Quick-type angle stroke pneumatic final controlling element of pooling feature | |
| CN104913080A (en) | Non-wear boosting ball valve | |
| CN104534164A (en) | Efficient control flow speed valve | |
| CN205715983U (en) | Double axis of guide flow type regulating valves | |
| CN206175747U (en) | Diaphragm formula low pressure relief valve | |
| CN203421188U (en) | Worm drive lever-type butterfly valve | |
| CN204647452U (en) | A kind of nuclear power pressure adjustment type safety check | |
| CN201335205Y (en) | Exhaust valve of manual pipeline | |
| CN102878344B (en) | Pneumatic actuator for angular travel valve | |
| CN203421195U (en) | Stop valve | |
| CN204878818U (en) | Telescopic sphere rotates case and does not have wearing and tearing pressure boost ball valve | |
| CN2864251Y (en) | Hand-operated butterfly valve with stopping indicating means | |
| CN208123487U (en) | A kind of manual wedge-type Outside screw stem rising through handwheel type gate valve | |
| CN201621336U (en) | Cushion swing check valve | |
| CN204739269U (en) | External high-pressure damping oil cylinder check valve | |
| CN105257895B (en) | Butterfly valve and the injection apparatus using the butterfly valve | |
| CN202220890U (en) | Pilot operated safety valve with manual opening mechanism | |
| CN207145738U (en) | A kind of luck linkage driving device | |
| CN203189721U (en) | High-strength all-forging supercritical hydrostatic test blocking valve | |
| CN209115695U (en) | A kind of double isolation needle-valves of super-pressure | |
| CN206845916U (en) | A kind of anti-misoperation formula plunger valve | |
| CN200943754Y (en) | Quick open-close operation device of swing valve plate |
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: 20080130 |