CN203488802U - Pressure-reducing valve structure - Google Patents
Pressure-reducing valve structure Download PDFInfo
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- CN203488802U CN203488802U CN201320444331.5U CN201320444331U CN203488802U CN 203488802 U CN203488802 U CN 203488802U CN 201320444331 U CN201320444331 U CN 201320444331U CN 203488802 U CN203488802 U CN 203488802U
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Abstract
The utility model relates to a pressure-reducing valve structure, comprising a connector, a valve body, a valve cover, a diaphragm piece, a pressure control base, a valve stem, a lower valve disk, an upper valve disk, two internal pressure self-sealing blocks, a spring, a lower cover and a pressure adjusting group, which are integrated to form the pressure-reducing valve structure so that the fluid flow is regulated by an action assembly in the pressure-reducing valve structure, so as to achieve the aim of adjusting the pressure at the outlet side. In addition, the pressure-reducing valve structure adopts the spring diaphragm type sensing assembly design and has the advantages of short stroke and quick response.
Description
Technical field
The utility model is about a kind of reduction valve, refers to especially and is integrated with a connecting body, a valve body, a valve gap, a diaphragm member, a pressure control block, a valve rod, a kind of structure of relief pressure valve of valve disc, two Pressure seat pieces, a spring, a lower cover and pressure adjusting groups on valve disc, once.
Background technique
General existing reduction valve is to be engaged in all kinds of fluid pipe fittings, and the variation of hair hydrodynamic pressure and then control the unlatching of reduction valve or close, refer to Fig. 1, a kind of reduction valve, as shown in the figure, this reduction valve 1 ' comprising: a body 11 ', a valve gap 12 ', a upper cover 13 ', a lock firmware 14 ', an elastic component 15 ', a pad 16 ', a piston valve spindle 17 ', a diaphragm 18 ', a piston 19 ', an O type ring 20 ' and a pressure gauge 21 '.Briefly, except the variation of essential accurately control hydrodynamic pressure, more must guarantee the adjusting of hydrodynamic pressure in pipe fitting, in order to avoid various fluid circuit to damage.
Via above-mentioned, can learn that existing pressure reduction structure has multiple aspect and usefulness; In view of this, creator of the present utility model does one's utmost study and composition in addition, has has finally researched and developed a kind of structure of relief pressure valve of the present utility model.
Model utility content
Main purpose of the present utility model, be to provide a kind of structure of relief pressure valve, its by a connecting body, a valve body, a valve gap, a diaphragm member, a pressure control block, a valve rod, once valve disc, two Pressure seat pieces, a spring, a lower cover and pressure adjusting groups are integrated on valve disc,, to produce a kind of structure of relief pressure valve; So, when user uses this structure of relief pressure valve, just can utilize the start assembly in this valve to regulate the flow of fluid, and reduce the pressure of fluid; If the pressure of outlet side increases, start assembly can force aperture to reduce, and makes pressure reduction increase, and then outlet pressure is declined; Outlet side pressure drop, on the contrary, make outlet pressure increase.
Another object of the present utility model, be to provide a kind of structure of relief pressure valve, one connecting body, a valve body, a valve gap, a diaphragm member, a pressure control block, a valve rod, once valve disc, two Pressure seat pieces, a spring, a lower cover and pressure adjusting groups are integrated on valve disc,, to produce a kind of structure of relief pressure valve; Therefore, this structure of relief pressure valve combines the start advantage of piston type and diaphragm type, and, inductive component adopts the design of spring diaphragm formula, its advantage is that stroke is short, reaction is fast, and uses the straight moving piston type valve disc can mean forced, and uses the design of valve rod inner flow passage, pressure measurement is accurately rapid, is beneficial to the pressure stability keeping in the pipeline system of downstream.
Therefore,, in order to reach the above-mentioned object of the utility model, creator of the present utility model proposes a kind of structure of relief pressure valve, comprising:
One connecting body, in order to connect a water inlet pipe and an outlet pipe, and has one first free air space and a valve, and wherein, this valve is located in this first free air space;
One valve body, is arranged at the top of this connecting body, and has:
One runner, is formed at the inside of this valve body, and connects this first free air space of this connecting body;
One second free air space, is formed at the inside of this valve body, and connects on this runner; And
One the 3rd free air space, is formed at the inside of this valve body, and connects on this second free air space;
One valve gap, is fixed on this valve body and has a containing space and a control block arranges hole, and wherein, this control block arranges hole and is positioned on this containing space, and connects this containing space;
One diaphragm member, is arranged between this valve body and this valve gap;
One pressure control block, within this control block that is arranged at this valve gap arranges hole;
One valve rod, its shaft is arranged at the inside of this runner, and wherein, the lower end of this valve rod is among this first free air space extends to this valve, and this second free air space and the 3rd free air space are passed through in the upper end of this valve rod, and wear to this containing space through this diaphragm member;
Valve disc once, in order to open and close this valve, wherein, within this lower valve disc is arranged at this first free air space, and the lower end of this valve rod is arranged in this lower valve disc;
Valve disc on one, within being arranged at this second free air space, and the upper end of this valve rod wears valve disc on this;
Two Pressure seat pieces, are arranged between the 3rd free air space and this containing space in couples, and are positioned on this on valve disc, and wherein, these two Pressure seat pieces are arranged in the upper end terminal of this valve rod, in order to affect this diaphragm member shift reciprocately up and down; And
One spring, within its one end is arranged at this pressure control block, the other end extends among this containing space, and is positioned on these two Pressure seat pieces, in order to this diaphragm member that resets, these two Pressure seat pieces, valve disc, this lower valve disc and this valve rod on this.
Structure of relief pressure valve as above, wherein, this connecting body also has a bottom outlet, and this bottom outlet is arranged at the bottom of this first free air space, in order to this lower valve disc is placed among this first free air space.
Structure of relief pressure valve as above, wherein, this valve is one removable, it sees through this bottom outlet and takes out within this first free air space; And this valve has for a plurality of hole slots of fluid circulation and a positioning hole of locating for this valve rod.
Structure of relief pressure valve as above, also comprises a lower cover, and this lower cover is fixed at this bottom outlet of this connecting body, in order to seal this connecting body; And this lower cover has a lower cover hole, in order to an external pressure transducer.
Structure of relief pressure valve as above, wherein, the both sides of this connecting body have respectively a water intake end and a waterexit end, and this water intake end is connected respectively this water inlet pipe and this outlet pipe with this waterexit end.
Structure of relief pressure valve as above, wherein, the material of this diaphragm member is non-metallic material.
Structure of relief pressure valve as above, wherein, this pressure control block comprises:
One pedestal, is fixed within this control block arranges hole; And
One pressure regulating block, is a convex shape piece part, and is arranged at the inside of this pedestal, to embed ordinatedly this spring.
Structure of relief pressure valve as above, wherein, this valve rod has a valve rod hole and a valve rod groove, and this valve rod hole and this valve rod groove connect and flowing in order to direct fluid mutually.
Structure of relief pressure valve as above, wherein, the both sides up and down of this valve rod embed respectively one the one O type ring, and embed one the 2nd O type ring in the upside end of this valve rod, use and seal this two Pressure seat pieces.
Structure of relief pressure valve as above, wherein, this lower valve disc and this two Pressure seat pieces are respectively by the auxiliary two ends up and down that are secured in this valve rod of two packing rings.
Structure of relief pressure valve as above, wherein, on this, valve disc has a hole, and this hole can be connected mutually with this valve rod hole and flowing in order to fluid.
Structure of relief pressure valve as above, wherein, this lower valve disc is comprised of a valve epivalve, a valve seat and a valve hypovalve.
Structure of relief pressure valve as above, wherein, these two Pressure seat pieces clamp this diaphragm member in the mode of docking.
Structure of relief pressure valve as above, also comprises a pressure adjusting group, and this pressure adjusting group comprises a screw rod and a nut; Wherein, this screw rod sees through this nut to be firmly bolted in the inside of this pressure control block, and directly acts on this pressure regulating block, in order to control the displacement amount of this spring.
Compared with prior art, the beneficial effects of the utility model are:
1. in the utility model, by a connecting body 11, a valve body 12, a valve gap 13, a diaphragm member 14, a pressure control block 15, a valve rod 16, once valve disc 18, two Pressure seat pieces 19, a spring 1A, lower cover 1B and pressure adjusting group 1C integrate on valve disc 17,, to produce a kind of structure of relief pressure valve 1; So, when user uses this structure of relief pressure valve 1, just can utilize the start assembly in this valve to regulate the flow of fluid, and reduce the pressure of fluid; If the pressure of outlet side increases, start assembly can force aperture to reduce, and makes pressure reduction increase, and then outlet pressure is declined; Outlet side pressure drop, on the contrary, make outlet pressure increase.
2. hold above-mentioned the 1st point, in addition, because the characteristic of a kind of structure of relief pressure valve 1 of the present utility model is that it is in conjunction with the start advantage of piston type and diaphragm type, and inductive component adopts the design of spring diaphragm formula, its advantage is that stroke is short, reaction is fast, and use the straight moving piston type valve disc can mean forced, and use the design of valve rod inner flow passage, pressure measurement is accurately rapid, be beneficial to the pressure stability keeping in the pipeline system of downstream.
Accompanying drawing explanation
Fig. 1 is existing a kind of structure of relief pressure valve schematic diagram;
Fig. 2 A is the front cross sectional view of a kind of structure of relief pressure valve of the present utility model;
Fig. 2 B is the right sectional view of a kind of structure of relief pressure valve of the present utility model;
Fig. 3 is the front cross sectional view of the pressure control block of a kind of structure of relief pressure valve of the present utility model;
Fig. 4 is demonstration diaphragm member, two Pressure seat pieces, valve rod, the upper valve disc front cross sectional view that is connected pass with lower valve disc;
Fig. 5 is the front cross sectional view of the pressure adjusting group of a kind of structure of relief pressure valve of the present utility model;
Fig. 6 is exemplary pressure control block, pressure adjusting group and the front cross sectional view closing that is connected of spring; And
Fig. 7 is the partial enlarged drawing of a kind of structure of relief pressure valve of the present utility model.
Main symbol description in figure:
1: structure of relief pressure valve 2: water inlet pipe
3: outlet pipe 11: connecting body
12: valve body 13: valve gap
14: diaphragm member 15: pressure control block
16: valve rod 17: lower valve disc
18: upper valve disc 19: Pressure seat piece
1A: spring 1B: lower cover
1C: 111: the first free air spaces of pressure adjusting group
112: valve 113: bottom outlet
114: water intake end 115: waterexit end
121: 122: the second free air spaces of runner
123: the three free air spaces 131: containing space
132: control block arranges hole 151: pedestal
152: pressure regulating block 161: valve rod hole
162: valve rod groove 171: valve epivalve
172: valve seat pad 173: valve hypovalve
1B1: lower cover hole 1C1: screw rod
1C2: nut
< prior art >
1 ': reduction valve 11 ': body
12 ': valve gap 13 ': upper cover
14 ': lock firmware 15 ': elastic component
16 ': pad 17 ': piston valve spindle
18 ': diaphragm 19 ': piston
20 ': O type ring 21 ': pressure gauge
Embodiment
A kind of structure of relief pressure valve proposing in order more clearly to describe the utility model, below will coordinate graphicly, elaborate preferred embodiment of the present utility model.
Refer to Fig. 2 A and Fig. 2 B, the front cross sectional view of a kind of structure of relief pressure valve of the present utility model and right sectional view, as shown in the figure, a kind of structure of relief pressure valve 1 of the present utility model comprises: a connecting body 11, a valve body 12, a valve gap 13, a diaphragm member 14, a pressure control block 15, a valve rod 16, once valve disc 18, two Pressure seat pieces 19, a spring 1A, a lower cover 1B and pressure adjusting group 1C on valve disc 17; Wherein, the both sides of this connecting body 11 have respectively a water intake end 114 and a waterexit end 115, in order to connect respectively a water inlet pipe 2 and an outlet pipe 3.
In addition, the inside of this connecting body 11 has one first free air space 111 and a valve 112; As shown in the figure, this valve 112 is located in this first free air space 111, and this valve 112 is removable device, and it can see through this bottom outlet 113 and be removed within this first free air space 111; In addition, valve 112 has a plurality of hole slots that can circulate for fluid and the positioning hole that can locate for this valve rod 16.Moreover this bottom outlet 113 is located at the bottom of this first free air space 111, has and provide this lower valve disc 17 to be placed in the function among this first free air space 111; So, the fluid in this water inlet pipe 2 flows to after the first free air space 111, and this fluid can flow in this valve 112, more via the first free air space 111, flows out this connecting body 11 and enters this outlet pipe 3.
Consult unceasingly Fig. 2 A and Fig. 2 B.As shown in the figure, this valve body 12 is arranged at the top of this connecting body 11, and have: a runner 121, one second free air space 122 and one the 3rd free air space 123, wherein this runner 121 is formed at the inside of this valve body 12, and connects the first free air space 111 of this connecting body 11; And this second free air space 122 is formed at the inside of this valve body 12, and connect on this runner 121; Separately, the 3rd free air space 123 is formed at the inside of this valve body 12, and connects on this second free air space 122.In addition, this valve gap 13 is fixed on this valve body 12 and has a containing space 131 and a control valve arranges hole 132, and wherein, this control valve arranges hole 132 and is positioned on the 3rd free air space 131, and connects the 3rd free air space 131.
Please continue to refer to Fig. 2 B, it is made by nonmetallic material that this has flexible diaphragm member 14, rubber for example, and it is arranged between valve body 12 and valve gap 13, and can produce offset phenomena with the size of pressure.This lower cover 1B is fixed at the bottom outlet 113 of connecting body 11, in order to seal this connecting body 11, and there is a lower cover hole 1B1 can an external pressure transducer.Within this control block that this pressure control block 15 is arranged at this valve gap 13 arranges hole 132.In addition, this valve rod 16 is arranged at the inside of this runner 121, wherein, the lower end of this valve rod 16 is among this first free air space 111 extends to this valve 112, and this second free air space 122 and the 3rd free air space 123 is passed through in the upper end of this valve rod 16, and wear to this containing space 131 through this diaphragm member 14.Separately, this valve rod 16 has a valve rod hole 161 and a valve rod groove 162, and this valve rod hole 161 can connect mutually with this valve rod groove 162 and flowing in order to direct fluid.Moreover lower valve disc 17 is comprised of a valve epivalve 171, a valve seat 172 and a valve hypovalve 173, in order to open and close this valve 112, as shown in the figure, within this lower valve disc 17 is arranged at this first free air space 111, and the lower end of this valve rod 16 is arranged in this lower valve disc 17.
Please continue again to consult Fig. 2 A and Fig. 2 B, on this, valve disc 18 is arranged at the inside of this second free air space 122, and the upper end of this valve rod 16 wears valve disc 18 on this, in addition, on this, valve disc 18 also embeds a seal ring, in order to closely sealed and be displaced into this second free air space 122, and the hole of upper valve disc 18 can be connected and flowing in order to fluid mutually with this valve rod hole 161.And these two Pressure seat pieces 19 be arranged in couples the 3rd free air space 123 and this containing space 131 between, and be positioned on this on valve disc 18, wherein, the Pressure seat piece 19 that is positioned at the 3rd free air space 123 also embeds a rubber ring, in order to laminating smooth and easy the 3rd free air space 123 that is displaced into, and these two Pressure seat pieces 19 are arranged in the upper end terminal of this valve rod 16.So arrange, make these two Pressure seat pieces 19 clamp this diaphragm member 14 in the mode of docking, and then can affect this diaphragm member 14 shift reciprocately up and down.
Structure of relief pressure valve of the present utility model is described unceasingly, wherein, within one end of this spring 1A is arranged at this pressure control block 15, its the other end extends among this containing space 131, and be positioned on these two Pressure seat pieces 19, in order to this diaphragm member 14 that resets, these two Pressure seat pieces 19, valve disc 18, this lower valve disc 17 and this valve rod 16 on this.Then refer to Fig. 3, the front cross sectional view of the pressure control block of a kind of structure of relief pressure valve of the present utility model, as shown in the figure, pressure control block 15 in the utility model comprises: a pedestal 151 and a pressure regulating block 152, and wherein, this pedestal 151 is fixed within this control block arranges hole 132, and this pressure regulating block 152 is a convex shape piece part, wherein, within this pressure regulating block 152 is arranged at this pedestal 151, and embed ordinatedly this spring 1A.
Then refer to Fig. 4, the diaphragm member of a kind of structure of relief pressure valve of the present utility model, two Pressure seat pieces, valve rod, upper valve disc, the front cross sectional view closing that is connected with lower valve disc, as shown in the figure, the both sides up and down of this valve rod 16 embed respectively one the one O type ring, with this increase this lower valve disc 17 with this on the adaptation of valve disc 18, and more the upside end in this valve rod 16 embeds one the 2nd O type ring, with with sealing these two Pressure seat pieces 19, this lower valve disc 17 and these two Pressure seat pieces 19 are respectively by the auxiliary two ends up and down that are secured in this valve rod 16 of two packing rings.
Then refer to Fig. 5 and Fig. 6, the front cross sectional view closing that is connected of the front cross sectional view of the pressure adjusting group of a kind of structure of relief pressure valve of the present utility model and exemplary pressure control block, pressure adjusting group and spring, as shown in the figure, this pressure adjusting group 1C also comprises: a screw rod 1C1 and a nut 1C2, wherein, this screw rod 1C1 sees through this nut 1C2 to be firmly bolted in the inside of this pressure control block 15, and directly acts on this pressure regulating block 152, as a pressure regulating switch; So arrange, operator can utilize this screw rod 1C1 to drive this pressure regulating block 152 to carry out suitable displacement in the inside of pedestal 151, in order to control the displacement amount of this spring 1A.
So, the above-mentioned framework that has clearly demonstrated a kind of structure of relief pressure valve 1 of the present utility model.Then, by the start step of explanation a kind of structure of relief pressure valve of the present utility model, please refer to Fig. 2 A, Fig. 2 B, Fig. 4, Fig. 6 and Fig. 7, as shown in the figure, due to lower valve disc 17 and valve 112 via the setting of pressure adjusting group 1C the state in opening, therefore,, when a fluid output unit output fluid, this fluid can be flowed through water inlet pipe 2 and be flowed into the inside of this first free air space 111; Now, this fluid can be divided into two parts and flow, and the fluid of first part can flow into this runner 121, and towards the direction diffluence of this second free air space 122, the fluid of the second part is a plurality of holes that can see through this valve 112, and directly the direction toward this outlet pipe 3 spills out; Wherein, the fluid of this first part can drive valve disc 18 on this because of the effect of pressure, and affects this two Pressure seat pieces 19; And, along with the movement of these two Pressure seat pieces 19, can make this diaphragm member 14 produce a displacement, and make this spring 1A compression; Now, because the displacement of this diaphragm member 14, and make this valve rod 16 also along with moving of these two Pressure seat pieces 19, make this lower valve disc 17 maintain synchronous shift; Thus, just can make valve 112 and lower valve disc 17 continue the unlatching distance that is remaining suitable, and see through this once opening the function that regulates hydrodynamic pressure apart from reaching;
Yet when the hydrodynamic pressure of these water inlet pipe 2 one sides reduces, the fluid of first part flows into the pressure of this second free air space 122 also along with diminishing; Now, the fluid of this first part can be because the factor that pressure diminishes, and force valve disc 18 on this, these two Pressure seat pieces 19, this diaphragm member 14, this spring 1A, this valve rod 16 and this lower valve disc 17 synchronous toward bottom offset, and then make valve 112 large apart from change with the unlatching of lower valve disc 17, meanwhile, the hydrodynamic pressure toward these outlet pipe 3 direction diffluences also can become large and increase because of opening distance; In this, the fluid of this outlet pipe 3 can be back to this valve rod groove 162 because of the variation of pressure difference, and guide fluid by the valve rod hole 161 of mutually connecting, to be flowed into upper valve disc hole on this among valve disc 18 and these two Pressure seat pieces 19, and be full of gradually this space, and by the fluid that presents pressure-increasning state, and then drive valve disc 18 on this, these two Pressure seat pieces 19, this diaphragm member 14, this spring 1A, this valve rod 16 and this lower valve disc 17 synchronous toward top offset, this valve 112 and the unlatching distance of this lower valve disc 17 are diminished; Now, hydrodynamic pressure toward these outlet pipe 3 direction diffluences also can diminish and force hydrodynamic pressure to reduce because of opening distance, seeing through this unlatching distance just can reach and automatically regulate again hydrodynamic pressure, so arrange, just can be achieved in the object of outlet pipe 3 attenuating hydrodynamic pressures and maintain hydrodynamic pressure is a stationary value.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.
Claims (14)
1. a structure of relief pressure valve, is characterized in that, comprising:
One connecting body, in order to connect a water inlet pipe and an outlet pipe, and has one first free air space and a valve, and wherein, this valve is located in this first free air space;
One valve body, is arranged at the top of this connecting body, and has:
One runner, is formed at the inside of this valve body, and connects this first free air space of this connecting body;
One second free air space, is formed at the inside of this valve body, and connects on this runner; And
One the 3rd free air space, is formed at the inside of this valve body, and connects on this second free air space;
One valve gap, is fixed on this valve body and has a containing space and a control block arranges hole, and wherein, this control block arranges hole and is positioned on this containing space, and connects this containing space;
One diaphragm member, is arranged between this valve body and this valve gap;
One pressure control block, within this control block that is arranged at this valve gap arranges hole;
One valve rod, its shaft is arranged at the inside of this runner, and wherein, the lower end of this valve rod is among this first free air space extends to this valve, and this second free air space and the 3rd free air space are passed through in the upper end of this valve rod, and wear to this containing space through this diaphragm member;
Valve disc once, in order to open and close this valve, wherein, within this lower valve disc is arranged at this first free air space, and the lower end of this valve rod is arranged in this lower valve disc;
Valve disc on one, be arranged at the inside of this second free air space, and the upper end of this valve rod wears valve disc on this;
Two Pressure seat pieces, are arranged between the 3rd free air space and this containing space in couples, and are positioned on this on valve disc, and wherein, these two Pressure seat pieces are arranged in the upper end terminal of this valve rod, in order to affect this diaphragm member shift reciprocately up and down; And
One spring, within its one end is arranged at this pressure control block, the other end extends among this containing space, and is positioned on these two Pressure seat pieces, in order to this diaphragm member that resets, these two Pressure seat pieces, valve disc, this lower valve disc and this valve rod on this.
2. structure of relief pressure valve according to claim 1, is characterized in that, wherein, this connecting body also has a bottom outlet, and this bottom outlet is arranged at the bottom of this first free air space, in order to this lower valve disc is placed among this first free air space.
3. structure of relief pressure valve according to claim 2, is characterized in that, wherein, this valve is one removable, and it sees through this bottom outlet and takes out within this first free air space; And this valve has for a plurality of hole slots of fluid circulation and a positioning hole of locating for this valve rod.
4. structure of relief pressure valve according to claim 2, is characterized in that, also comprises a lower cover, and this lower cover is fixed at this bottom outlet of this connecting body, in order to seal this connecting body; And this lower cover has a lower cover hole, in order to an external pressure transducer.
5. structure of relief pressure valve according to claim 1, is characterized in that, wherein, the both sides of this connecting body have respectively a water intake end and a waterexit end, and this water intake end is connected respectively this water inlet pipe and this outlet pipe with this waterexit end.
6. structure of relief pressure valve according to claim 1, is characterized in that, wherein, the material of this diaphragm member is non-metallic material.
7. structure of relief pressure valve according to claim 1, is characterized in that, wherein, this pressure control block comprises:
One pedestal, is fixed within this control block arranges hole; And
One pressure regulating block, is a convex shape piece part, and is arranged at the inside of this pedestal, to embed ordinatedly this spring.
8. structure of relief pressure valve according to claim 1, is characterized in that, wherein, this valve rod has a valve rod hole and a valve rod groove, and this valve rod hole and this valve rod groove connect and flowing in order to direct fluid mutually.
9. structure of relief pressure valve according to claim 1, is characterized in that, wherein, the both sides up and down of this valve rod embed respectively one the one O type ring, and embeds one the 2nd O type ring in the upside end of this valve rod, uses and seals this two Pressure seat pieces.
10. structure of relief pressure valve according to claim 1, is characterized in that, wherein, this lower valve disc and this two Pressure seat pieces are respectively by the auxiliary two ends up and down that are secured in this valve rod of two packing rings.
11. structure of relief pressure valve according to claim 8, is characterized in that, wherein, on this, valve disc has a hole, and this hole can be connected mutually with this valve rod hole and flowing in order to fluid.
12. structure of relief pressure valve according to claim 1, is characterized in that, wherein, this lower valve disc is comprised of a valve epivalve, a valve seat and a valve hypovalve.
13. structure of relief pressure valve according to claim 1, is characterized in that, wherein, these two Pressure seat pieces clamp this diaphragm member in the mode of docking.
14. structure of relief pressure valve according to claim 1, is characterized in that, also comprise a pressure adjusting group, and this pressure adjusting group comprises a screw rod and a nut; Wherein, this screw rod sees through this nut to be firmly bolted in the inside of this pressure control block, and directly acts on this pressure regulating block, in order to control the displacement amount of this spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320444331.5U CN203488802U (en) | 2013-07-24 | 2013-07-24 | Pressure-reducing valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320444331.5U CN203488802U (en) | 2013-07-24 | 2013-07-24 | Pressure-reducing valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488802U true CN203488802U (en) | 2014-03-19 |
Family
ID=50259637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320444331.5U Expired - Fee Related CN203488802U (en) | 2013-07-24 | 2013-07-24 | Pressure-reducing valve structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203488802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662225A (en) * | 2017-03-27 | 2018-10-16 | 艾默生过程管理调节技术塔尔萨有限公司 | Sample tap with diaphragm auxiliary seal |
-
2013
- 2013-07-24 CN CN201320444331.5U patent/CN203488802U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662225A (en) * | 2017-03-27 | 2018-10-16 | 艾默生过程管理调节技术塔尔萨有限公司 | Sample tap with diaphragm auxiliary seal |
| CN108662225B (en) * | 2017-03-27 | 2022-06-07 | 艾默生过程管理调节技术塔尔萨有限公司 | Sampling port with diaphragm auxiliary seal |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20180724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |