CN204328096U - Pulsation stop valve - Google Patents
Pulsation stop valve Download PDFInfo
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- CN204328096U CN204328096U CN201420774746.3U CN201420774746U CN204328096U CN 204328096 U CN204328096 U CN 204328096U CN 201420774746 U CN201420774746 U CN 201420774746U CN 204328096 U CN204328096 U CN 204328096U
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- valve
- valve rod
- rod
- pad insert
- epithelium
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Abstract
The utility model relates to a kind of pulsation stop valve, and belong to the technical field of liquid switch valve, comprise valve seat, valve gap, valve rod, epithelium, liner, also comprise guide rod, lower end of the guide rod and liner are fixed, and guide rod upper end is fixed with pad insert; The bottom of valve rod offers guide cavity, the port of guide cavity is fixed with valve rod inserts, and guide rod movable upper end passes valve rod inserts and stretches in guide cavity, and pad insert can move up and down formula cooperation and be arranged in guide cavity; On epithelium, and do not offered relief hole by the position that liner covers, or on epithelium, and offer near the position of guide rod the relief hole running through liner upper and lower end face; Valve rod inserts and pad insert are magnetic element, and there is magnetic adsorptive power between valve rod inserts and pad insert; Valve rod, guide cavity, pad insert, valve rod inserts, guide rod, liner, epithelium, valve port concentric.The functions such as the control of the utility model liquid collecting body break-make, liquid non-return, preventing autorotation of water meter, suppression water meter water clock water are in one.
Description
Technical field
The utility model relates to a kind of pulsation stop valve, belongs to the technical field of liquid switch valve.
Background technique
In recent years, fully under way along with town water supply " Every household has an ammeter, read the ammeter directly " engineering, the city secondary water-supply facility especially from present must by water supply department progressively receiving management.The control valve be arranged on pipeline before and after water meter generally adopts common gate valve or ball valve, and this common gate valve or ball valve can only control the break-make of piped water supply, does not have waterproof watch to cause the function of water meter rotation because of the change of front and back pressure reduction and water meter its structural design.For this reason, the method that people contemplate with safety check and gate valve or ball valve combine solves water meter rotation problem, although this method temporarily can solve the rotation of part water meter, because its structural design have employed spring, cannot fundamentally solve water meter rotation and cost is high, it is complicated to install.
Lacking along with the fast-developing alkene relative to land resources of urban construction, rises sheer from level ground one after another as emerged rapidly in large numbersBamboo shoots after a spring rain in all kinds of high-rise community.The water supply of such community need promote and could meet through secondary pressure, because the hourly variation factor of community water is widely different, thus makes the pressure of supply water eustasy of Intra-cell frequent and extremely unstable; More exacerbate in this region and occur water meter rotation phenomenon.
Be saving power and the relative pressure-bearing reducing inner pipe network in secondary water-supply running, be generally and take classification dividing potential drop to supply water, like this for balance at different levels between pressure of supply water, effectively prevent at different levels between pressure series connection, all reduction valve or safety check can be installed between node at different levels, now traditional reduction valve or safety check generally adopt hydraulic pressuring difference principle be aided with machinery (as spring or valve plate deadweight etc.) come linearly adjust pressure height to reach object, this mode is because of higher to installation requirement, the factors such as complexity are installed and still thoroughly cannot solve water meter rotation, the problems such as pressure series connection and effective non-return.
In addition as Chinese patent ZL2010 2 0149249.6 discloses one " self-rotary control valve of waterproof meter ", although this technology can solve water meter rotation problem and have liquid non-return and liquid break-make controlling functions; But, higher to the rinsing requirement flowed through after fluid pipeline installation in actual use according to the product that this patent structure designs; If do not rinsed well completely, the solid impurity be so deposited in pipeline is flushed in by being adsorbed on magnetic valve port or magnetic epithelium during valve port position through liquid stream, and magnetic valve port or magnetic epithelium to be destroyed between valve port and epithelium user without effective sealing during water by the solid impurity adsorbed, thus affect its preventing autorotation of water meter effect, it is unfavorable also to produce check function.
Model utility content
For overcoming the problem of above-mentioned prior art, the utility model provides a kind of pulsation stop valve, and the functions such as this control of valve liquid collecting body break-make, liquid non-return, preventing autorotation of water meter, suppression water meter water clock water are in one.
For achieving the above object, the technological scheme that the utility model adopts is:
A kind of pulsation stop valve, comprise valve seat, valve gap, valve rod, epithelium, valve gap cooperation is arranged on valve seat, valve rod cooperation is arranged on valve gap, and all side margin of epithelium are fixed between valve seat and valve gap, are engaged on the valve port of valve seat in the middle part of epithelium, epithelium is fixed with liner, also comprise guide rod, lower end of the guide rod and liner are fixed, and guide rod upper end is fixed with pad insert; The bottom of valve rod offers guide cavity, the port of guide cavity is fixed with valve rod inserts, guide rod movable upper end is through valve rod inserts stretch in guide cavity, and pad insert can move up and down formula and coordinate and to be arranged in guide cavity (namely the shape of pad insert and guide cavity matching form close); On epithelium, and do not offered relief hole by the position that liner covers, or on epithelium, and offer near the position of guide rod the relief hole running through liner upper and lower end face; Valve rod inserts and pad insert are magnetic element, and there is magnetic adsorptive power between valve rod inserts and pad insert; Valve rod, guide cavity, pad insert, valve rod inserts, guide rod, liner, epithelium, valve port concentric.
As the further setting of such scheme, described valve rod inserts is permanent magnet, and pad insert is also permanent magnet.
Described valve rod inserts is permanent magnet, and pad insert is magnet case; Or valve rod inserts is magnet case, pad insert is permanent magnet.
Described relief hole is one or more.
Described pad insert is threaded on guide rod, or pad insert interference fit is fixed on guide rod, or pad insert extruding is locked and is fixed on guide rod.
Described valve rod inserts is threaded on valve rod, or valve rod inserts interference fit is fixed on valve rod, or the extruding of valve rod inserts is locked and is fixed on valve rod.
The lower end outer wall of described valve rod is threaded in valve gap.
The utility model, owing to have employed technique scheme, makes its structure compacter, rationally, controls the functions such as liquid break-make, liquid non-return, preventing autorotation of water meter, suppression water meter water clock water more stable, reliably, manufactures convenient, longer service life.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of another structure of the utility model.
Embodiment
Embodiment 1
As shown in Figure 1, the utility model pulsation stop valve, comprise valve seat 2, valve gap 5, valve rod 6, epithelium 3, valve gap 5 cooperation is arranged on valve seat 2, valve rod 6 cooperation is arranged on valve gap 5, epithelium 3 weeks side margin are fixed between valve seat 2 and valve gap 5, be engaged on the valve port 12 of valve seat 2, epithelium 3 be fixed with liner 4 in the middle part of epithelium 3.Improvement of the present utility model is: also comprise guide rod 10, and guide rod 10 lower end and liner 4 are fixed, and guide rod 10 upper end is fixed with pad insert 8; The bottom of valve rod 6 offers guide cavity 7, the port of guide cavity 7 is fixed with valve rod inserts 9, and guide rod 10 movable upper end passes valve rod inserts 9 and stretches in guide cavity 7, and pad insert 8 can move up and down formula cooperation and be arranged in guide cavity 7; On epithelium 3, and do not offered relief hole 11 by the position that liner 4 covers; Valve rod inserts 9 and pad insert 8 are magnetic element, and there is magnetic adsorptive power between valve rod inserts 9 and pad insert 8; Concentric between valve rod 6, guide cavity 7, pad insert 8, valve rod inserts 9, guide rod 10, liner 4, epithelium 3, valve port 12.
As preferably, valve rod inserts 9 is permanent magnet, and pad insert 8 is also permanent magnet; Or valve rod inserts 9 is permanent magnet, pad insert 8 is magnet case; Or valve rod inserts 9 is magnet case, pad insert 8 is permanent magnet.Relief hole 11 is one or more.
In the present embodiment, pad insert 8 is threaded on guide rod 10, or pad insert 8 interference fit is fixed on guide rod 10, or pad insert 8 extruding is locked and is fixed on guide rod 10.Valve rod inserts 9 is threaded on valve rod 6, or valve rod inserts 9 interference fit is fixed on valve rod 6, or valve rod inserts 9 extruding is locked and is fixed on valve rod 6.The lower end outer wall of valve rod 6 is threaded in valve gap 5.
Embodiment 2
As shown in Figure 2, the utility model pulsation stop valve, comprise valve seat 2, valve gap 5, valve rod 6, epithelium 3, valve gap 5 cooperation is arranged on valve seat 2, valve rod 6 cooperation is arranged on valve gap 5, epithelium 3 weeks side margin are fixed between valve seat 2 and valve gap 5, be engaged on the valve port 12 of valve seat 2, epithelium 3 be fixed with liner 4 in the middle part of epithelium 3.Improvement of the present utility model is: also comprise guide rod 10, and guide rod 10 lower end and liner 4 are fixed, and guide rod 10 upper end is fixed with pad insert 8; The bottom of valve rod 6 offers guide cavity 7, the port of guide cavity 7 is fixed with valve rod inserts 9, and guide rod 10 movable upper end passes valve rod inserts 9 and stretches in guide cavity 7, and pad insert 8 can move up and down formula cooperation and be arranged in guide cavity 7; On epithelium 3, and offer near the position of guide rod 10 relief hole 11 running through liner 4 upper and lower end face; Valve rod inserts 9 and pad insert 8 are magnetic element, and there is magnetic adsorptive power between valve rod inserts 9 and pad insert 8; Concentric between valve rod 6, guide cavity 7, pad insert 8, valve rod inserts 9, guide rod 10, liner 4, epithelium 3, valve port 12.
As preferably, valve rod inserts 9 is permanent magnet, and pad insert 8 is also permanent magnet; Or valve rod inserts 9 is permanent magnet, pad insert 8 is magnet case; Or valve rod inserts 9 is magnet case, pad insert 8 is permanent magnet.Relief hole 11 is one or more.
In the present embodiment, pad insert 8 is threaded on guide rod 10, or pad insert 8 interference fit is fixed on guide rod 10, or pad insert 8 extruding is locked and is fixed on guide rod 10.Valve rod inserts 9 is threaded on valve rod 6, or valve rod inserts 9 interference fit is fixed on valve rod 6, or valve rod inserts 9 extruding is locked and is fixed on valve rod 6.The lower end outer wall of valve rod 6 is threaded in valve gap 5.
Working principle of the present utility model is as follows:
Dextrorotation rotating valve rod 6, valve rod 6 down moves under the screw thread guiding of valve gap 5, and liner 4 also moves in the same way under guide rod 10 with guide cavity 7 location fit, and makes to seal between epithelium 3 and valve port 12 by the stressed transmission of liner 4, valve closing.
Be rotated counterclockwise valve rod 6, valve rod 6 rises to highest order under the screw thread guiding of valve gap 5, and valve place opening state, as shown in the state of Fig. 1 and Fig. 2.If now user is without water: the hydraulic pressure in the hydraulic pressure in inlet channel 1 and epithelium 3 epicoele and in water outlet 13 is equal, under magnetic attraction force between pad insert 8 and valve rod inserts 9 adds the effect of epithelial membrane 3, liner 4, guide rod 10 and pad insert 8 four self gravitation, sealing state (as shown in Figure 1) is between epithelium 3 and valve port 12, pressure surge between effective partition inlet channel 1 and water outlet 13, reaches and prevents the water meter be connected with water outlet 13 from producing rotation.Under the magnetic attraction force between pad insert 8 and valve rod inserts 9 adds the effect of epithelial membrane 3, liner 4, guide rod 10 and pad insert 8 four self gravitation, sealing state is between epithelium 3 and valve port 12, so when inlet channel 1 place fluid pressure reduces, liquid in epithelium 3 epicoele and in water outlet 13 cannot be back to inlet channel 1, reaches effective non-return.If the now just conventional water of user: because the liquid in water outlet 13 is by relief hole 11 and the liquid communication in epithelium 3 epicoele, therefore when user just commonly uses water, fluid pressure in fluid pressure in water outlet 13 and epithelium 3 epicoele synchronously declines, the pressure reduction that epithelium about 3 the is formed magnetic attraction force overcome between pad insert 8 and valve rod inserts 9 adds the gravity of epithelial membrane 3, liner 4, guide rod 10 and pad insert 8 four self, epithelium 3 is up pushed away together with liner 4, so valve open (as shown in Figure 2).Valve is once open, magnetic attraction force between pad insert 8 and valve rod inserts 9 just disappears (along with the spacing between pad insert 8 and valve rod inserts 9 increases, magnetic adsorptive power each other just reduces gradually, until disappear), the gravity that the liquid in inlet channel 1 only needs definite value to overcome epithelium 3, liner 4, guide rod 10 and pad insert 8 four self add epithelial membrane 3 rise after own form be out of shape the reducing power produced.Breach general safety check utilize spring force seal after, the liquid passed through in valve not only will overcome fixing local resistance itself, also to overcome the resistance becoming the spring force of quadratic relationship to cause with valve opening degree simultaneously, effectively reduce the loss of head that liquid stream produces through valve, reach energy saving.If user's water clock leaks: develop from the manufacture of water meter itself, its accuracy of manufacturing undeniable and design sensitivity more and more higher, so by the restriction of the factors such as watermeter design principle and manufacture cost, user's water clock water and phenomenon that water meter does not count still exists.The utility model also has good inhibitory action to water meter water clock water phenomenon, it realizes principle: when user's water clock water, water outlet 13 reduces gradually with the hydraulic pressure in epithelium 3 epicoele and the water meter be connected below and pipeline, As time goes on, the pressure reduction of epithelium about 3 also can increase gradually, once this pressure reduction reaches the magnetic attraction force that can overcome between pad insert 8 and valve rod inserts 9 add epithelial membrane 3, liner 4, the gravity of guide rod 10 and pad insert 8 four self, epithelium 3 pushes away suddenly together with liner 4, valve is opened instantaneously, now valve has one liquid to flow through suddenly between epithelium 3 and valve port 12, rapidly valve is entered, pressure balance in water outlet, and this burst of water impact acts on water meter, make water meter instantaneous between rotate metering, this phenomenon moves in circles in whole water clock water utilizing process, reach the effective suppression to water meter water clock water phenomenon.Breach general safety check can not produce stressed sudden change because of spring force thus effectively cannot suppress the phenomenon of water meter water clock water.
The utility model pulsation stop valve, compact structure, rationally, manufacturing is convenient; Control the functions such as liquid break-make, liquid non-return, preventing autorotation of water meter, suppression water meter water clock water more stable, reliably; The front and back pipeline connecting this product is had no special requirements, and adapts to various installation environment, thus it is wider to reach using scope, longer service life.
Above-described embodiment only illustrates inventive concept of the present utility model for explaining, but not the restriction to the utility model rights protection, all changes utilizing this design the utility model to be carried out to unsubstantiality, all should fall into protection domain of the present utility model.
Claims (7)
1. a pulsation stop valve, comprise valve seat, valve gap, valve rod, epithelium, valve gap cooperation is arranged on valve seat, valve rod cooperation is arranged on valve gap, and all side margin of epithelium are fixed between valve seat and valve gap, are engaged on the valve port of valve seat in the middle part of epithelium, epithelium is fixed with liner, it is characterized in that: also comprise guide rod, lower end of the guide rod and liner are fixed, and guide rod upper end is fixed with pad insert; The bottom of valve rod offers guide cavity, the port of guide cavity is fixed with valve rod inserts, and guide rod movable upper end passes valve rod inserts and stretches in guide cavity, and pad insert can move up and down formula cooperation and be arranged in guide cavity; On epithelium, and do not offered relief hole by the position that liner covers, or on epithelium, and offer near the position of guide rod the relief hole running through liner upper and lower end face; Valve rod inserts and pad insert are magnetic element, and there is magnetic adsorptive power between valve rod inserts and pad insert; Valve rod, guide cavity, pad insert, valve rod inserts, guide rod, liner, epithelium, valve port concentric.
2. pulse as claimed in claim 1 stop valve, it is characterized in that: described valve rod inserts is permanent magnet, pad insert is also permanent magnet.
3. pulse as claimed in claim 1 stop valve, it is characterized in that: described valve rod inserts is permanent magnet, pad insert is magnet case; Or valve rod inserts is magnet case, pad insert is permanent magnet.
4. to pulse as claimed in claim 1 stop valve, it is characterized in that: described relief hole is one or more.
5. to pulse as claimed in claim 1 stop valve, it is characterized in that: described pad insert is threaded on guide rod, or pad insert interference fit is fixed on guide rod, or pad insert extruding is locked and is fixed on guide rod.
6. to pulse as claimed in claim 1 stop valve, it is characterized in that: described valve rod inserts is threaded on valve rod, or valve rod inserts interference fit is fixed on valve rod, or the extruding of valve rod inserts is locked and is fixed on valve rod.
7. to pulse as claimed in claim 1 stop valve, it is characterized in that: the lower end outer wall of described valve rod is threaded in valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774746.3U CN204328096U (en) | 2014-12-11 | 2014-12-11 | Pulsation stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774746.3U CN204328096U (en) | 2014-12-11 | 2014-12-11 | Pulsation stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204328096U true CN204328096U (en) | 2015-05-13 |
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ID=53164456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420774746.3U Active CN204328096U (en) | 2014-12-11 | 2014-12-11 | Pulsation stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204328096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455588A (en) * | 2014-12-11 | 2015-03-25 | 陈伟成 | Pulsating non-return stop valve |
-
2014
- 2014-12-11 CN CN201420774746.3U patent/CN204328096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455588A (en) * | 2014-12-11 | 2015-03-25 | 陈伟成 | Pulsating non-return stop valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |