CN2208642Y - Cylinder control valve - Google Patents
Cylinder control valve Download PDFInfo
- Publication number
- CN2208642Y CN2208642Y CN 94244553 CN94244553U CN2208642Y CN 2208642 Y CN2208642 Y CN 2208642Y CN 94244553 CN94244553 CN 94244553 CN 94244553 U CN94244553 U CN 94244553U CN 2208642 Y CN2208642 Y CN 2208642Y
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- China
- Prior art keywords
- cylinder
- mentioned
- piston
- control valve
- bibcock
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- Expired - Fee Related
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Abstract
The utility model relates to a cylinder control valve, which is provided with a valve body. The valve body is combined with a two-section cylinder with different internal diameters of the caliber to form the cylinder control valve. The blocking and stopping of a piston which is arranged at the lower section of the cylinder and the upper section of the cylinder with smaller inner diameter is used for blocking and controlling the stroke of the piston. The inner diameter of the inclined intubation which connects the valve body and the cylinder is enlarged to avoid the friction and blocking of a valve cock and the wall of the inclined intubation when a switch is controlled.
Description
The utility model relates to a kind of cylinder control valve, refers to a kind of cylinder control valve with cylinder and piston control bibcock stroke and backstop especially.
Previous cylinder type control valve, wherein the streamline of valve body inner fluid is vertical with the displacement that control opens and closes bibcock, and fluid must be moving at valve body introversion baffling, produced flow-disturbing fluid precipitation, and pressure falls.
In order to solve this problem, and the product of Y type cylinder control valve is arranged.The channels designs Cheng Jinyi straight line that this series products mainly passes in and out the valve body inner fluid; And the bibcock that control valve body opens and closes on its movement direction, then forms the 50 oblique cutting modes of spending with passage and links.So, can reduce fluid and in valve body, stagnate and the flow-disturbing phenomenon, and then improve the problem of importing and exporting pressure drop.
At habit formula Y type cylinder control valve shown in Figure 1, wherein bibcock 92 upper-end surfaces of valve body 91 inside are set as skewed lead angle 93, and the gap slot inwall of central concave is provided with shallow trench with the packing ring 94 fixing seal rings 95 of ending.This structural design mainly makes the control bibcock can be effectively and produce leakage-proof effect easily, in case the seepage of fluid stopping body, and the back pressure that reduces bibcock is in order to valve body moment breakdown action.
In aforesaid habit formula Y type cylinder control valve,, bibcock 92 stops because after unlatching, rising in the hole, link tube 96 bottom.In this design, be that end face with bibcock 92 contacts with hole, link tube 96 bottom and stops, the strength that makes bibcock 92 be born is quite big.And too small because of bibcock 92 and valve wall gap, bear fluid hydraulic pressure and during deflection, conflict with the oblique cutting side wall surface 97 of valve body 91 easily at bibcock 92, as shown in Figure 2, take place stuck and phenomenon that can't move.
Moreover, sign bar 99 tops of Y type cylinder control valve in cylinder 98 of practising formula, all unshielded device makes dust and water liquid to infilter the cylinder 98 from indicating bar 99 tops, is easy to damage piston.Because this type of Y type cylinder control valve often is used in the bad place of environment, especially should note the intrusion cylinder of foreign matter.
In addition, in Y type cylinder control valve shown in Figure 1, wherein axial the and fluid passage of bibcock 92 is the inclinations of 50 degree, and the pipeline that makes cylinder 98 and valve body 91 fluid inputs receive is comparatively approaching, has influenced the convenience that pipeline is received.Especially when using flange (flange) connecting pipeline, for meeting JIS (JIS) specification, the control valves of 50 degree difficulty that generation is installed then.
Main purpose of the present utility model is to provide a kind of cylinder control valve, and wherein the end position opened of bibcock is to support the dwindling the position of cylinder and stop with the piston head in the cylinder, is not stop device with the bibcock, and it is stressed to reduce bibcock, to increase the service life.
Another purpose of the present utility model provides a kind of cylinder control valve, and the oblique cutting bore of valve body is outwards enlarged, and is stuck to prevent bibcock and oblique cutting inner tube wall from touching.
Another purpose of the present utility model is to provide a kind of cylinder control valve, and a transparent dust cover is set on the cylinder top, will indicate masthead end sealing, preventing the infiltration of dust and water liquid, and indicates the aperture of valve.
A purpose more of the present utility model is to provide a kind of cylinder control valve, and the fluid passage of its cylinder and valve body is the inclinations that are 55 degree, make between valve with the pipeline received between bigger space is arranged so that installation.
The purpose of this utility model reaches as follows:
A kind of cylinder control valve comprises:
One valve body, have be a nearly straight line can be for the passage of fluid flow, and in the oblique extension one oblique cutting pipe of this passage, the end of this oblique cutting pipe in above-mentioned passage forms an opening,
One cylinder, its bottom links with a link tube and above-mentioned oblique cutting pipe, and inside has a piston, this piston top is provided with a spring, divides into a main shaft and extends to above-mentioned valve body openings top, and be provided with a cylinder block in this cylinder bottom surface, promote above-mentioned piston with suction port input pressurized gas on it, and
Be located at above-mentioned main shaft end, move via above-mentioned piston and open and close the bibcock of above-mentioned valve body openings,
It is characterized in that:
Above-mentioned cylinder is a two section type, and the epimere internal diameter is less than above-mentioned piston external diameter, and piston is upper and lower moving in the inside of this cylinder hypomere.
The purpose of this utility model can also following mode reach: described cylinder control valve is characterized in that: wherein the oblique cutting bore of this valve body outwards enlarges, and forms the gap that enough bibcocks move with above-mentioned bibcock side.
Described cylinder control valve is characterized in that: wherein an indicating arm is received in this piston top, and this indicating arm stretches out above-mentioned cylinder top end portion, with the dust cover sealing of a clear hollow.
Described cylinder control valve is characterized in that: wherein this dust cover has indicating graduation.
Described cylinder control valve is characterized in that: wherein above-mentioned cylinder and above-mentioned valve channel angle of inclination are 55 degree.
Advantage of the present utility model is: in the structure of the present utility model, control bibcock 4 is in the piston 2 of cylinder 1 inside of valve body openings 32 opened and closed positions, and its range is to rise to the more small-bore position of epimere of cylinder 1 and stop at piston 2.That is to say, bibcock 4 finish unlatching, the impact of being born piston 2 fully by cylinder there is no on one's body in 4 of bibcocks and to be subjected to external force (the hydrodynamic pressure in passage 31), so the length of bibcock 4 can significantly be shortened.This benefit can make the resistance that fluid flows through bibcock 4 reduce, and reduces the generation and the pressure drop of flow-disturbing.In addition,, make bibcock 4 stressed minimizings with the backstop of piston 2 as stroke, and not fragile, increase the service life.Owing to shortening of bibcock 4, make produced by hydrodynamic pressure stressed also relatively low, take place and more do not have skew, can prevent the conflict of bibcock 4 and oblique cutting pipe 33 inwalls and cause stuck.
Certainly, in order to solve the stuck generation of bibcock 4, the utility model outwards enlarges at oblique cutting pipe 33 inwalls of valve body 3, as shown in Figure 3, make to form an intersegmental crack S2 between the side of bibcock 4 and oblique cutting tube wall,, also can not conflict stuck with tube wall even bibcock 4 has produced departing from slightly.It is superior that this can learn that relatively the utility model designs by gap S1 among Fig. 2 and the gap S2 among Fig. 4.
In addition, the dust cover 5 that the utility model is set up has the benefit that prevents foreign matter infiltration cylinder, and follows deixis, and it is good also not having prevent mean than the habit formula.
On Fig. 3, shown the utility model wherein the passage 31 of cylinder 1 and valve body 3 be 55 degree and tilt, its 50 more old-fashioned degree tilt to have big connecting tube space of lines, especially in JIS (JIS) specification, are beneficial to the installation of flange especially.
At the cylinder shown in Fig. 31, with cylinder 98 comparisons shown in Figure 1, the utility model cylinder 1 epimere internal diameter dwindles except backstop piston 2, have more the guide effect, preventing that spring 14 from producing skew and crooked when compression, cause spring distortion or fracture, is good than the habit formula obviously.
Illustrated brief description:
Fig. 1 is the Y type cylinder control valve structure sectional view of habit formula.
Fig. 2 practises the bibcock of formula type cylinder control valve and the A part amplification profile of valve body among Fig. 1, wherein dotted line shows that bibcock is subjected to be offset behind the hydrodynamic pressure, and conflicts stuck with the oblique cutting sidewall.
Fig. 3 is the section of structure of a kind of preferred embodiment of the utility model, and wherein bibcock is positioned at closed position.
Fig. 4 is the B part enlarged view of bibcock shown in Fig. 3 and valve body.
Fig. 5 is a sectional drawing embodiment illustrated in fig. 3, and wherein bibcock is positioned at the enable possition, and demonstration piston backstop is dwindled the position in cylinder.
Fig. 6 is the C part enlarged view of Fig. 5, to show the bibcock structure.
Preferred embodiment was described in further detail as follows shown in the utility model was incited somebody to action in conjunction with the accompanying drawings:
See also Fig. 3,4, the cylinder control valve that the utility model discloses is a kind of Y type cylinder control valve, mainly is in order to be connected in the pipeline, to utilize the control of cylinder 1 internal piston 2, the bibcock 4 that is arranged in valve body 3 inside can be opened and closed, with the circulation of fluid in the pilot line at passage.
The utility model comprises a valve body 3, forms passages 31 of a nearly straight line in this valve body 3, and its split shed 32 is to end envelope and stop that fluid flows in the passage with bibcock 4.A cylinder 1 is to insert in the oblique cutting pipe 33 of valve body 3 with 55 oblique angles of spending, and forms the moulding of approximate " Y " type.
At the top of cylinder 1, be provided with the dust cover 5 of a hollow transparent, its length foot is done the displacement of piston stroke for indicating bar 11, and at surface marking scale is arranged, and with via indicating bar 11 top scales, and shows piston position.This dust cover 5 just will indicate the hole that bar 11 stretches out cylinder and be sealed, and flow in the cylinder 1 to prevent dust or water liquid.
Sign bar 11 extends into the end of cylinder 1 via indicating bushing 12, be provided with a piston seat 21.A piston fixed plate 22 is located at piston seat 21 belows, and is combined into whole piston 2 structures with axle envelope 23.Between the interior top of piston 2 tops and cylinder 1, be provided with a spring 14, the restoring force that provides piston to push away for 2 times.In addition, cylinder is a two section type, and the epimere internal diameter forms range (can consult position shown in Figure 5) less than piston 2 external diameters to stop piston 2; The hypomere of cylinder 1 then can move in inside for piston 2.Moving of piston 2 is to finish via the inlet hole 131 input pressurized gas of cylinder 13.After pressurized gas were released, then the restoring force that provides owing to spring 14 made piston be returned to position shown in Figure 3.
In addition, the main shaft 6 that receive downwards at piston 2 centers passes cylinder block 13, stretches into the oblique cutting pipe 33 of valve body 3 through link tube 15, and connects bibcock 4 in end.This main shaft 6 installs a counterbalance spring 17 and V-arrangement seal 18 in link tube 15.
Bibcock 4 can make shorter, and its upper-end surface is set as skewed lead angle 41, and the gap slot inwall of central concave is set as shallow trench with the packing ring 42 fixing seal rings 43 of ending.End the interior outer diameter zone of seal ring 43, then just valve body 3 middle openings 32 are sealed, in case the seepage of fluid stopping body, and the back pressure of reduction bibcock is in order to valve body moment breakdown action.The detailed structure of bibcock 4 sees also B shown in Figure 4 portion enlarged view.
Fig. 5 and Fig. 6 have shown that valve rod 4 of the present utility model is in the enable possition, and 2 backstops of piston are in the less epimere of the internal diameter of cylinder 1.Streamline E represents direction of flow, and arrow G is represented pressurized gas.
In the structure of the present utility model, control bibcock 4 is in the piston 2 of cylinder 1 inside of valve body openings 32 opened and closed positions, and its range is to rise to the more small-bore position of epimere of cylinder 1 and stop at piston 2.That is to say, bibcock 4 finish unlatching, the impact of being born piston 2 fully by cylinder there is no on one's body in 4 of bibcocks and to be subjected to external force (the hydrodynamic pressure in passage 31), so the length of bibcock 4 can significantly be shortened.This benefit can make the resistance that fluid flows through bibcock 4 reduce, and reduces the generation and the pressure drop of flow-disturbing.In addition,, make bibcock 4 stressed minimizings with the backstop of piston 2 as stroke, and not fragile, increase the service life.Owing to shortening of bibcock 4, make produced by hydrodynamic pressure stressed also relatively low, take place and more do not have skew, can prevent the conflict of bibcock 4 and oblique cutting pipe 33 inwalls and cause stuck.
Certainly, in order to solve the stuck generation of bibcock 4, the utility model outwards enlarges at oblique cutting pipe 33 inwalls of valve body 3, as shown in Figure 3, make to form an intersegmental crack S2 between the side of bibcock 4 and oblique cutting tube wall,, also can not conflict stuck with tube wall even bibcock 4 has produced departing from slightly.It is superior that this can learn that relatively the utility model designs by gap S1 among Fig. 2 and the gap S2 among Fig. 4.
In addition, the dust cover 5 that the utility model is set up has the benefit that prevents foreign matter infiltration cylinder, and follows deixis, and it is good also not having prevent mean than the habit formula.
On Fig. 3, shown the utility model wherein the passage 31 of cylinder 1 and valve body 3 be 55 degree and tilt, its 50 more old-fashioned degree tilt to have big connecting tube space of lines, especially in JIS (JIS) specification, are beneficial to the installation of flange especially.
At the cylinder shown in Fig. 31, with cylinder 98 comparisons shown in Figure 1, the utility model cylinder 1 epimere internal diameter dwindles except backstop piston 2, have more the guide effect, preventing that spring 14 from producing skew and crooked when compression, cause spring distortion or fracture, is good than the habit formula obviously.
Claims (5)
1, a kind of cylinder control valve comprises:
One valve body, have be a nearly straight line can be for the passage of fluid flow, and in the oblique extension one oblique cutting pipe of this passage, the end of this oblique cutting pipe in above-mentioned passage forms an opening,
One cylinder, its bottom links with a link tube and above-mentioned oblique cutting pipe, and inside has a piston, this piston top is provided with a spring, divides into a main shaft and extends to above-mentioned valve body openings top, and be provided with a cylinder block in this cylinder bottom surface, promote above-mentioned piston with suction port input pressurized gas on it, and
Be located at above-mentioned main shaft end, move via above-mentioned piston and open and close the bibcock of above-mentioned valve body openings,
It is characterized in that:
Above-mentioned cylinder is a two section type, and the epimere internal diameter is less than above-mentioned piston external diameter, and piston is upper and lower moving in the inside of this cylinder hypomere.
2, according to the described cylinder control valve of claim 1, it is characterized in that: wherein the oblique cutting bore of this valve body outwards enlarges, and forms the gap that enough bibcocks move with above-mentioned bibcock side.
3, according to the described cylinder control valve of claim 1, it is characterized in that: wherein an indicating arm is received in this piston top, and this indicating arm stretches out above-mentioned cylinder top end portion, with the dust cover sealing of a clear hollow.
4, according to the described cylinder control valve of claim 3, it is characterized in that: wherein this dust cover has indicating graduation.
5, according to the described cylinder control valve of claim 1, it is characterized in that: wherein above-mentioned cylinder and above-mentioned valve channel angle of inclination are 55 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244553 CN2208642Y (en) | 1994-11-09 | 1994-11-09 | Cylinder control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244553 CN2208642Y (en) | 1994-11-09 | 1994-11-09 | Cylinder control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2208642Y true CN2208642Y (en) | 1995-09-27 |
Family
ID=33850593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94244553 Expired - Fee Related CN2208642Y (en) | 1994-11-09 | 1994-11-09 | Cylinder control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2208642Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619993A (en) * | 2012-04-04 | 2012-08-01 | 无锡欧易博阀业科技有限公司 | Right-angle air-operated valve |
| CN102654213A (en) * | 2012-05-08 | 2012-09-05 | 珠海格力电器股份有限公司 | Bend charge valve for air conditioner |
| KR20120140677A (en) * | 2010-03-25 | 2012-12-31 | 사차르 마갈리 | Force-barrier |
| CN105927762A (en) * | 2016-06-07 | 2016-09-07 | 大庆市华诚义机械设备有限公司 | Bivalve four-way combination body |
| CN107387780A (en) * | 2017-07-28 | 2017-11-24 | 浙江威肯特泵业有限公司 | A kind of method and high-sealing butterfly valve structure for improving butterfly valve seal performance |
-
1994
- 1994-11-09 CN CN 94244553 patent/CN2208642Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120140677A (en) * | 2010-03-25 | 2012-12-31 | 사차르 마갈리 | Force-barrier |
| CN103037985A (en) * | 2010-03-25 | 2013-04-10 | 哈达尔·马佳利 | Force-barrier |
| CN103037985B (en) * | 2010-03-25 | 2016-02-03 | 哈达尔·马佳利 | Power fault device |
| KR101893619B1 (en) * | 2010-03-25 | 2018-08-30 | 하다르 마갈리 | Force-barrier |
| CN102619993A (en) * | 2012-04-04 | 2012-08-01 | 无锡欧易博阀业科技有限公司 | Right-angle air-operated valve |
| CN102654213A (en) * | 2012-05-08 | 2012-09-05 | 珠海格力电器股份有限公司 | Bend charge valve for air conditioner |
| CN105927762A (en) * | 2016-06-07 | 2016-09-07 | 大庆市华诚义机械设备有限公司 | Bivalve four-way combination body |
| CN107387780A (en) * | 2017-07-28 | 2017-11-24 | 浙江威肯特泵业有限公司 | A kind of method and high-sealing butterfly valve structure for improving butterfly valve seal performance |
| CN107387780B (en) * | 2017-07-28 | 2018-07-24 | 浙江威肯特智能机械有限公司 | A kind of method and high-sealing butterfly valve structure improving butterfly valve seal performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |