CN201180795Y - Break valve with double-sealing surface valve core - Google Patents
Break valve with double-sealing surface valve core Download PDFInfo
- Publication number
- CN201180795Y CN201180795Y CNU2008200450056U CN200820045005U CN201180795Y CN 201180795 Y CN201180795 Y CN 201180795Y CN U2008200450056 U CNU2008200450056 U CN U2008200450056U CN 200820045005 U CN200820045005 U CN 200820045005U CN 201180795 Y CN201180795 Y CN 201180795Y
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- Prior art keywords
- valve
- spool
- shaft
- axle
- housed
- 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 disconnecting valve with a dual-sealing surface valve spool, which comprises a valve body, a valve spool installed on a valve base inside the inner cavity of the valve body, two sealing gaskets installed on both surfaces of the valve spool via bolts, a shaft installed at the middle part of the valve spool and coupled with a valve spool bracket, a positioning device installed between the shaft and the valve spool bracket, and a gear installed at one end of the shaft and contacting a reversing mechanism on the valve body. The valve spool bracket is sheathed inside a shaft seat via the shaft, the shaft seat is sheathed inside a shaft hole at the lower part of a knockout pin via the shaft and bolts, a screw thread is arranged around the knockout pin, the knockout pin is sheathed inside the bolt hole of a fixed bracket via the screw thread, the two sides of the fixed bracket are connected with the valve body via bolts, a guiding hole is formed inside the knockout pin and sheathed on a rotating shaft via a key groove, the rotating shaft is sheathed inside a valve cap central hole via the shaft, the valve cap is connected with the valve body via bolt, and a hand wheel is installed at the upper end of the rotating shaft. The disconnecting valve has the advantages of reasonable structure, convenient operation, and safety and rapidness.
Description
[technical field]
The utility model relates to a kind of stop valve, relate in particular to a kind of spool two-sided sealing material is housed and can overturn automatically and need not close source of the gas, just can convenient for maintaining the stop valve of double-sealing face spool.
[background technique]
Supplying water, stop valve all be housed in the steam line, the confession by fluid or gas in the folding controlling plumbing fixtures of stop valve with stop.After long-term the use, the gasket seal of spool just damages easily, when changing the seal spool pad, for the sake of security, need to close the main switch of source of the gas end, again that residual gas displacement in the pipeline is clean, and then pull down the spool of need changing, change new seal spool pad after, go out air in the pipeline with nitrogen replacement again, if the many again long pipelines of branch change a ball valve is exactly a very loaded down with trivial details thing, and inefficiency, easy initiation fire of the inflammable gas of discharge and befouling environment, the operation of stopping the supple of gas or steam is made troubles to resident (user) life, and also having certain potential safety hazard simultaneously, is a loaded down with trivial details job so change the stop valve of gas pipeline.
[model utility content]
In order to overcome the above-mentioned shortcoming of prior art, the utility model provides a kind of two sides sealing gasket that is provided with on the spool of stop valve, when sealing gasket of spool damages gas leakage, need not close main valve, only need the turn handwheel just can easily the spool in the stop valve be transferred, close stop valve then and open the stop valve that valve gap just can be changed the double-sealing face spool that damages the spool sealing gasket easily instead to the another side use.
The technological method that its technical problem that solves the utility model adopts is: a kind of stop valve of double-sealing face spool, comprise valve body, on the valve seat in this body cavity spool is housed, by bolt sealing gasket is housed on this spool two sides, at the spool middle part axle is housed, this axle links to each other with the spool support by being coupling, and between this axle and spool support positioning device is housed, end at axle is equipped with gear, and this gear touches mutually with reversing mechanism on the valve body; Described spool support is put in axle bed by axle sleeve, this axle bed is nested with in the axis hole of push rod bottom by axle, bolt, on the push rod periphery, be provided with screw thread, push rod is nested with in support bracket fastened screw by this screw thread, support bracket fastened both sides link to each other with valve body by bolt, be provided with guide hole in the described push rod, this guide hole is nested with in rotating shaft by keyway; This rotating shaft is nested with by being coupling in the valve gap mesopore, and this valve gap links to each other with valve body by bolt, and in described rotating shaft upper end handwheel is housed.
The perpendicular one side of described body cavity and spool is provided with a plane, is provided with vertical reversing mechanism on this plane, and this vertical reversing mechanism is made up of ratchet, guide groove and tooth bar, and an end of described poppet shaft is installed in the guide groove, and guide groove length is greater than tooth bar.
The perpendicular one side of described body cavity and spool is provided with a plane, is provided with the circulation reversing mechanism on this plane, and this circulation reversing mechanism is made up of circulation guide groove, rack and pinion, is provided with tooth bar in described circulation guide groove.
Described gear is a ratchet.
Between described valve gap and rotating shaft, seal ring is housed.
Between described valve gap and valve body, seal ring is housed.
The beneficial effects of the utility model are: load onto sealing gasket on the spool two sides, gear or the ratchet loaded onto by positioning device between poppet shaft and spool support and poppet shaft end, again by the interlock of gear or ratchet with vertical reversing mechanism or circulation reversing mechanism, whenever doing a cyclic process just can make poppet shaft do 180 degree rotations, spool can be transferred instead to another surface of contact work, when the turn handwheel is in closed condition with spool and valve seat, just can unload bottom flange, in the fixed support seam, change sealing gasket above the spool, whole process need not closed main valve, just can Replacement and Repair branch stop valve.The utlity model has rational in infrastructure, handiness, safe and efficient advantage, be suitable for being installed in especially air supply pipe of various pipelines.
[description of drawings]
Fig. 1 is the utility model structural representation;
Fig. 2 is a vertical reversing mechanism structural representation among Fig. 1;
Fig. 3 is the utility model embodiment 2 a structural representation;
Fig. 4 is the structural representation of circulation reversing mechanism among Fig. 3;
Among the figure: 1-valve body, 2-valve seat, 3-spool, 4-sealing gasket, the 5-axle, 6-spool support, 7-positioning device, 8-ratchet, the 9-gear, the vertical reversing mechanism of 10-, 11-guide groove, 12-tooth bar, 13-circulation reversing mechanism, 14-circulation guide groove 15-push rod, 16-axle bed, 17-screw thread, the 18-fixed support, 19-guide hole, 20-rotating shaft, 21-valve gap, the 22-handwheel, 23-seal ring, 24-bolt.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further specified:
Embodiment 1: referring to Fig. 1 and Fig. 2, a kind of stop valve of double-sealing face spool, comprise valve body 1, on the valve seat 2 in this valve body 1 inner chamber spool 3 is housed, sealing gasket 4 is equipped with by bolt 24 in the two sides of this spool 3, axle 5 is housed at spool 3 middle parts, this axle 5 links to each other with spool support 6 by being coupling, between this axle 5 and the spool support 6 positioning device 7 is housed, end at axle 5 is equipped with ratchet 8, this ratchet 8 and the valve body 1 vertical reversing mechanism 10 on the plane on one side touches mutually, this vertical reversing mechanism 10 is made up of guide groove 11 and tooth bar 12, axle 5 ends that ratchet 8 is installed are installed in the guide groove 11, make axle 5 in guide groove 11, can do vertical motion up and down, because 1 length of guide groove 1 is greater than tooth bar 12 length, so the usefulness of free travel for the normal switch of spool 3 is left in guide groove 11 bottoms, spool support 6 is nested with in push rod 15 bottom axis holes by axle and bolt 24, push rod 15 peripheries are provided with screw thread 17 and are nested with in the screw on fixed support 18, the both sides of this fixed support 18 are fixed on the valve body 1 by bolt 24, in push rod 15, be provided with the guide hole 19 of keyway, guide hole 19 is nested with in rotating shaft 20 by keyway, this rotating shaft 20 is by being coupling in valve gap 21 holes, this valve gap 21 links to each other with valve body 1 by bolt 24, in described rotating shaft 20 upper ends handwheel 22 is housed; When 3 one sealing gaskets of spool damage gas leakage, need not close main valve, only need turn handwheel 22, under the effect of vertical reversing mechanism 10, just can like a cork the spool in the valve body 3 be turned to another side uses, close stop valve then, open valve gap 21, change spool 3 sealing gaskets 4 that damage, the utlity model has rational in infrastructure, handiness, safe and efficient advantage, be suitable for being installed in various pipelines especially on the air supply pipe.
Embodiment 2: referring to Fig. 3 and Fig. 4, a kind of stop valve of double-sealing face spool, comprise valve body 1, on the valve seat 2 in this valve body 1 inner chamber spool 3 is housed, by bolt 24 sealing gasket 4 is housed, axle 5 is housed at spool 3 middle parts on these spool 3 two sides, this axle 5 links to each other with spool support 6 by being coupling, between this axle 5 and spool support 6 positioning device 7 is housed, at an end of axle 5 gear 12 is housed, this gear 12 and valve body 1 the circulation reversing mechanism 13 on the plane on one side touch mutually.This circulation reversing mechanism 13 is made up of circulation guide groove 14 and tooth bar 12, gear on the poppet shaft 5 12 is installed in the circulation guide groove 14, in circulation guide groove 14 and be provided with tooth bar 12, make gear 12 under the effect of external force, can in circulation guide groove 14, make shuttling movement, leave the usefulness of a free travel in circulation guide groove 14 bottoms for the normal switch of spool 3.Spool support 6 links to each other with push rod bottom axle bed 16 by being coupling, this axle bed 16 is nested with in the axis hole of push rod 15 bottoms by axle and bolt 24, push rod 15 peripheries are provided with screw thread 17 and are nested with in the screw on fixed support 18, these fixed support 18 both sides are fixed on the valve body 1 by bolt 24, in push rod 15, be provided with the guide hole 19 of keyway, guide hole 19 is nested with in rotating shaft 20 by keyway, this rotating shaft 20 is contained in by being coupling in valve gap 21 holes, this valve gap 21 links to each other with valve body 1 by bolt 24, in described rotating shaft 21 upper ends handwheel 22 is housed.When 3 one sealing gaskets of spool 4 damage gas leakage, need not close main valve, only need turn handwheel 22, under the effect of circulation reversing mechanism 13, just can easily the spool in the stop valve 3 be transferred and be turned to the another side use, close stop valve then, open valve gap 21, change and damage spool 3 sealing gaskets 4, the utlity model has rational in infrastructure, handiness, safe and efficient advantage, be suitable for being installed in especially air supply pipe of various pipelines.
Claims (6)
1, a kind of stop valve of double-sealing face spool, comprise valve body, on the valve seat in this body cavity spool is housed, it is characterized in that: by bolt sealing gasket is housed on this spool two sides, at the spool middle part axle is housed, this axle links to each other with the spool support by being coupling, and between this axle and spool support positioning device is housed, end at axle is equipped with gear, and this gear touches mutually with reversing mechanism on the valve body; Described spool support is put in axle bed by axle sleeve, this axle bed is nested with in the axis hole of push rod bottom by axle, bolt, on the push rod periphery, be provided with screw thread, push rod is nested with in support bracket fastened screw by this screw thread, support bracket fastened both sides link to each other with valve body by bolt, be provided with guide hole in the described push rod, this guide hole is nested with in rotating shaft by keyway; This rotating shaft is nested with by being coupling in the valve gap mesopore, and this valve gap links to each other with valve body by bolt, and in described rotating shaft upper end handwheel is housed.
2, the stop valve of double-sealing face spool as claimed in claim 1, it is characterized in that: one side described body cavity and spool perpendicular be provided with a plane, on this plane, be provided with vertical reversing mechanism, this vertical reversing mechanism is made up of ratchet, guide groove and tooth bar, one end of described poppet shaft is installed in the guide groove, and guide groove length is greater than tooth bar.
3, the stop valve of double-sealing face spool as claimed in claim 1 or 2, it is characterized in that: one side described body cavity and spool perpendicular be provided with a plane, on this plane, be provided with the circulation reversing mechanism, this circulation reversing mechanism is made up of circulation guide groove, rack and pinion, is provided with tooth bar in described circulation guide groove.
4, the stop valve of double-sealing face spool as claimed in claim 1 is characterized in that: described gear is a ratchet.
5, the stop valve of double-sealing face spool as claimed in claim 1 is characterized in that: between described valve gap and rotating shaft seal ring is housed.
6, as the stop valve of claim 1 or 5 described double-sealing face spools, it is characterized in that: between described valve gap and valve body, seal ring is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200450056U CN201180795Y (en) | 2008-03-13 | 2008-03-13 | Break valve with double-sealing surface valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200450056U CN201180795Y (en) | 2008-03-13 | 2008-03-13 | Break valve with double-sealing surface valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201180795Y true CN201180795Y (en) | 2009-01-14 |
Family
ID=40250294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200450056U Expired - Fee Related CN201180795Y (en) | 2008-03-13 | 2008-03-13 | Break valve with double-sealing surface valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201180795Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224560A (en) * | 2016-08-29 | 2016-12-14 | 约翰斯顿流体科技（无锡）有限公司 | A kind of regulation valve being conveniently replaceable rubber ring |
-
2008
- 2008-03-13 CN CNU2008200450056U patent/CN201180795Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224560A (en) * | 2016-08-29 | 2016-12-14 | 约翰斯顿流体科技（无锡）有限公司 | A kind of regulation valve being conveniently replaceable rubber ring |
| CN106224560B (en) * | 2016-08-29 | 2018-06-12 | 约翰斯顿流体科技（无锡）有限公司 | A kind of regulating valve for being conveniently replaceable rubber ring |
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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: 20090114 Termination date: 20100313 |