CN88201243U - Sliding valve with vertical closure member - Google Patents
Sliding valve with vertical closure member Download PDFInfo
- Publication number
- CN88201243U CN88201243U CN 88201243 CN88201243U CN88201243U CN 88201243 U CN88201243 U CN 88201243U CN 88201243 CN88201243 CN 88201243 CN 88201243 U CN88201243 U CN 88201243U CN 88201243 U CN88201243 U CN 88201243U
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- China
- Prior art keywords
- valve
- valve plate
- box body
- vertical
- vertical sealing
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Abstract
The utility model relates to a sliding valve with a vertical closure member which belongs to a lifting valve, is used for a pipeline with a large diameter to deliver gas, in particular to separate the delivery of combustible gas, and is composed of a vertical sealing box body, a valve plate, a movable valve seat, a fixed valve seat, a pushing up device and a valve plate lifting device. The adoption of the vertical sealing box body avoids the phenomenon of the leakage of the gas. The valve plate is a blind plate type valve plate. The valve seat is sealed to be the fixed valve seat and has a sealing ring. More than one third of the volume of the valve can be reduced. The valve plate lifting device is installed on the vertical sealing box body, so the length of steel wire ropes and the number of sheaves are reduced. The utility model has the advantages of simple structure, material saving, low cost, little occupation of the installation space, and is more suitable for a pipeline network with dense pipelines.
Description
The utility model is a kind of vertical sealing push-pull valve, and it belongs to poppet valve, is used for the partition of large diameter pipeline conveying gas, particularly transporting combustible gases.
In the prior art, Shijiazhuang Valve Factory No.1 produces the vertical unlimited push-pull valve of a kind of SCZ943X-0.3 type, is used for the partition of large diameter pipeline transporting combustible gases.It reaches the valve plate lowering or hoisting gear of being made up of wire rope, rope sheave, balancer weight, winch, the tight part of rope by valve plate, movable valve seat, fixed valve base, top opening and is constituted.This valve opens wide, and inflammable gas leaked outside when valve plate switched, and harmful workman is healthy, befouling environment, and etching apparatus, working life is short, and inflammable and explosive, harmfulness is big.Valve base sealing is to have seal ring on movable valve seat and fixed valve base, its valve plate must be a through hole and the big valve plate that blind hole is an one, the length of valve plate is twice in more than the pipeline drift diameter, thereby the volume of valve is big, the height of valve is three times in more than the pipeline drift diameter, institute is installed occupies greatly, especially pipeline drift diameter is more outstanding more than two meters.The winch of valve plate lowering or hoisting gear is contained on the ground, and the pipeline of mounted valve is general high between 7 to 12 meters, and this has just brought, and rope sheave is many, wire rope long (being generally the length of 5 to 6 times of duct height), and complex structure.
The purpose of this utility model is to overcome shortcoming above-mentioned in the prior art, provides a kind of gas not leak outside, volume is little, reduce rope capacity and rope sheave quantity and vertical sealing push-pull valve simple in structure.
The technological scheme that solves the utility model purpose is: being provided with vertical seal case is blind hole type valve plate, movable valve seat and fixed valve base sealing with valve plate, leaks outside to prevent gas.Employing blind hole type valve plate and fixed valve base have the valve base sealing mode of seal ring, reduce the volume of valve.The valve plate lowering or hoisting gear is contained in seal case top, reduces chain length, chain quantity, and simple in structure.
The measure that realizes technical solutions of the utility model is as follows: main box body is connected with auxiliary housing.Manage after being provided with preceding pipe of casing and casing between the main box body, Guan Yiduan has flange before the casing, and the centre has FlexbleJoint and riser, and Guan Yiduan has flange behind the casing.The flat board of blind hole type valve plate has seal ring.The drive unit of valve plate lowering or hoisting gear is connected with the left side speed reducer, links to each other with the right side speed reducer by the Synchronous Transmission axle.The speed reducer on left side and right side is connected with the sprocket shaft of homonymy respectively, and sprocket wheel is separately fixed on the left and right sprocket shaft.Bush roller chain one end on left side and right side is connected with the dull and stereotyped left and right sides of valve plate by the homonymy sprocket wheel respectively, and the other end is connected with the balancer weight of left and right sides respectively.
The utility model compared with prior art has following advantage: be provided with vertical seal case; prevent that gas from leaking outside; it is healthy to help the workman; help environmental protection; equipment is not corroded, and long service life prevents inflammable and explosive; valve plate is the blind hole type valve plate and adopts the valve base sealing mode that has seal ring on fixed valve base that the volume of valve can reduce more than 1/3rd.The valve plate lowering or hoisting gear is contained on the seal case, has significantly reduced rope capacity and rope sheave quantity, and simple in structure.Thereby the saving material, cost is low, and installation institute occupies little, saves space, and is particularly more suitable to the intensive pipe network of pipeline.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the schematic representation of vertical sealing push-pull valve,
Fig. 2 is vertical seal case front view,
Fig. 3 is the AA sectional drawing of vertical seal case shown in Figure 2,
Fig. 4 is the valve plate front view,
Fig. 5 is the BB sectional drawing of valve plate shown in Figure 4,
Fig. 6 is valve base sealing figure (a partition state),
Fig. 7 is valve base sealing figure (a unimpeded state),
Fig. 8 is a valve plate lowering or hoisting gear front view,
Fig. 9 is the CC side view of valve plate lowering or hoisting gear shown in Figure 8,
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Fig. 1 has described the structure of vertical sealing push-pull valve, and it forms (this lowering or hoisting gear comprises that speed reducer 24, sprocket wheel 23, sprocket shaft 22 etc. see accompanying drawing 8,9 for details) by main box body 1, auxiliary housing 2, blind hole type valve plate 3, movable valve seat 4, fixed valve base 5, top opening 6 and valve plate lifting assembling device 7.Top opening 6 is contained in the left side of main box body 1, and its structure is open at the vertical unlimited push-pull valve of SCZ943X-0.3 type.Valve plate lowering or hoisting gear 7 is contained in main box body 1 top.When gas in the pipeline was in the partition state, blind hole type valve plate 3 was between movable valve seat 4 and fixed valve base 5 (as shown in Figure 1).When gas was in unimpeded state in the pipeline, the blind hole type valve plate was between main box body 1 bottom and auxiliary housing 2 (Fig. 1 does not represent).
Fig. 2, Fig. 3 have described vertical seal case structure, and it manages 9 before by main box body 1, auxiliary housing 2, casing, manage 10 behind the casing, FlexbleJoint 11, flange 12 and riser 13 are formed.Main box body 1 is connected with auxiliary housing 2 usefulness flanges or screw.Main box body 1 its width is determined according to balancer weight 18 width of valve plate 3 width and valve plate lowering or hoisting gear, its height is highly definite according to the sprocket wheel 23 of valve plate 3 height and valve plate lowering or hoisting gear, auxiliary housing 2 its thickness are determined according to valve plate 3 thickness, its width should be consistent with main box body 1 width, and its height is according to main box body 1 height and can satisfy valve plate 3 working strokes and determine.Manage 10 after preceding pipe 9 of casing and casing are arranged between the main box body 1, its latus rectum depends on the gas pipeline latus rectum that is connected.End of pipe 9 is welded with flange 12 before it, and the centre is welded with the riser 13 to the FlexbleJoint 11 of movable valve seat 4 working stroke redeemings and connection top opening 6.Thereafter manage 10 1 ends and be welded with flange 12, flange 12 usefulness are connected with gas pipeline, and main box body 1 can be welded with bearing 8 and use for supporting.
Fig. 4, Fig. 5 have described the blind hole type valve board structure, and it is made up of flat board 14 and seal ring 15.Imbed or push down the seal ring of making by rubber, asbestos packing or plastics 15 with pressing plate at smooth flat board 14, the seal ring face is corresponding with movable valve seat 4, in both sides, dull and stereotyped 14 upper end the pin-and-hole 16 that is connected with bush roller chain is arranged, dull and stereotyped 14 length and thickness are determined according to gas pipeline latus rectum and gas pressure.
Fig. 6, Fig. 7 have described the valve base sealing structure, it is by pipe 9 the other ends welding before movable valve seat 4 and the casing, pipe 10 the other ends welding behind fixed valve base 5 and the casing, imbed or push down the seal ring of being made by rubber, asbestos packing or plastics 17 with pressing plate at fixed valve base 5, its sealing surface is corresponding with dull and stereotyped 14 no seal ring faces.
Fig. 8, Fig. 9 have described the valve plate lifting device structure.Drive unit 20 is connected with left side speed reducer 24, is connected with right side speed reducer 24 by Synchronous Transmission axle 21.The speed reducer 24 on left side and right side is connected with the sprocket shaft 22 of homonymy respectively, and sprocket wheel 23 is separately fixed on the left and right sprocket shaft 22.Left and right bush roller chain 19 one ends are connected with flat board 14 left and right sides of valve plate by homonymy sprocket wheel 23 respectively, and the other end is connected with left and right balancer weight 18 respectively.The length of bush roller chain 19 should be in gas partition state with valve plate 3 and adapt to the unimpeded state of gas.The weight of balancer weight 18 should with the balanced of valve plate 3.
Valve plate lowering or hoisting gear working procedure is as follows: drive unit 20 drives the left side simultaneously by Synchronous Transmission axle 21 and right side speed reducer 24 rotates synchronously, left side and right side speed reducer 24 drive sprocket shaft 22 respectively and sprocket wheel 23 rotates in the opposite direction synchronously, thereby drive left side and 19 motions of right hand sleeves roller chain, form valve plate 3 and rise or descend.
Vertical sealing push-pull valve working procedure is as follows: when valve during at unimpeded state, valve plate 3 is in main box body 1 bottom and auxiliary housing 2, movable valve seat 4 is fixed the seal ring 17 of valve seat 5 and seals under the effect of top opening 6 and FlexbleJoint 11 impacting forces, at this moment gas is unimpeded through valve.When valve need cut off, top opening 6 actions, FlexbleJoint 11 compressions break away from the movable valve seat 4 and the seal ring 17 of fixed valve base 5, when reaching certain distance, start valve plate lowering or hoisting gear 7, because balancer weight 18 keeps balance with the weight of valve plate 3, valve plate can rise to casing pipeline center position, after this under very little power effect, compress top opening, under the impacting force effect of top opening and FlexbleJoint, movable valve seat compresses the valve plate seal ring, and valve plate is fixed the seal ring of valve seat, thereby form valve plate and two above-mentioned valve base sealings, cut off gas reliably and circulate without valve.
Claims (4)
1, a kind of vertical sealing push-pull valve, belong to poppet valve, the partition that is used for large diameter pipeline conveying gas, particularly transporting combustible gases, it is made up of valve plate, movable valve seat, top opening and valve plate lowering or hoisting gear, it is characterized in that being provided with vertical seal case 1,2 is blind hole type valve plate 3, movable valve seat 4 and fixed valve base 5 sealings with valve plate, fixed valve base 5 has seal ring 17, and the valve plate lowering or hoisting gear is contained in seal case top.
2, vertical sealing push-pull valve according to claim 1, the main box body 1 that it is characterized in that vertical seal case is connected with auxiliary housing 2, manage 10 after being provided with preceding pipe 9 of casing and casing between the main box body 1, pipe 9 one ends have flange 12 before it, the centre has FlexbleJoint 11 and riser 13, manages 10 1 ends thereafter and has flange 12.
3, vertical sealing push-pull valve according to claim 1 is characterized in that the flat board 14 of blind hole type valve plate 3 has seal ring 15.
4, vertical sealing push-pull valve according to claim 1, the drive unit 20 that it is characterized in that valve plate lowering or hoisting gear 7 is connected with left side speed reducer 24, be connected with right side speed reducer 24 by Synchronous Transmission axle 21, the speed reducer 24 on left side and right side is connected with the sprocket shaft 22 of homonymy respectively, sprocket wheel 23 is separately fixed on the left and right sprocket shaft 22, left and right bush roller chain 19 one ends are connected with flat board 14 left and right sides of valve plate by homonymy sprocket wheel 23 respectively, and the other end is connected with left and right balancer weight 18 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88201243 CN88201243U (en) | 1988-01-31 | 1988-01-31 | Sliding valve with vertical closure member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88201243 CN88201243U (en) | 1988-01-31 | 1988-01-31 | Sliding valve with vertical closure member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN88201243U true CN88201243U (en) | 1988-09-07 |
Family
ID=4836490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88201243 Withdrawn CN88201243U (en) | 1988-01-31 | 1988-01-31 | Sliding valve with vertical closure member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN88201243U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378382C (en) * | 2002-01-15 | 2008-04-02 | 李玉清 | Blind-plate valve |
| CN102001515A (en) * | 2010-12-21 | 2011-04-06 | 川田机械制造(上海)有限公司 | Gate sealing valve |
| CN103062426A (en) * | 2012-09-25 | 2013-04-24 | 湖南金中环保设备有限责任公司 | Toxic smoke safety shutoff valve |
| CN103511652A (en) * | 2013-09-04 | 2014-01-15 | 朱崇新 | High-temperature and high-pressure blind plate valve and operating method thereof |
-
1988
- 1988-01-31 CN CN 88201243 patent/CN88201243U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378382C (en) * | 2002-01-15 | 2008-04-02 | 李玉清 | Blind-plate valve |
| CN102001515A (en) * | 2010-12-21 | 2011-04-06 | 川田机械制造(上海)有限公司 | Gate sealing valve |
| CN102001515B (en) * | 2010-12-21 | 2012-07-04 | 川田机械制造(上海)有限公司 | Gate sealing valve |
| CN103062426A (en) * | 2012-09-25 | 2013-04-24 | 湖南金中环保设备有限责任公司 | Toxic smoke safety shutoff valve |
| CN103062426B (en) * | 2012-09-25 | 2015-04-29 | 湖南金中环保设备有限责任公司 | Toxic smoke safety shutoff valve |
| CN103511652A (en) * | 2013-09-04 | 2014-01-15 | 朱崇新 | High-temperature and high-pressure blind plate valve and operating method thereof |
| CN103511652B (en) * | 2013-09-04 | 2017-04-12 | 朱崇新 | High-temperature and high-pressure blind plate valve and operating method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term | ||
| 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 |