CN205639661U - Two -seater piston self -operated pressure control valve - Google Patents
Two -seater piston self -operated pressure control valve Download PDFInfo
- Publication number
- CN205639661U CN205639661U CN201620495758.1U CN201620495758U CN205639661U CN 205639661 U CN205639661 U CN 205639661U CN 201620495758 U CN201620495758 U CN 201620495758U CN 205639661 U CN205639661 U CN 205639661U
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- cylinder body
- piston
- valve
- bonnet
- guide part
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Abstract
The utility model discloses a two -seater piston self -operated pressure control valve, including valve body, case, go up valve gap, valve gap and pressure adjustment assembly down, go up the valve gap and install at the upper and lower both ends of valve body with valve gap down, pressure adjustment assembly is including connecting the cylinder body on last valve gap top, the cooperation of cylinder body inside seal has a piston, accommodate the lead screw is worn to be equipped with in the top of cylinder body, the portion thread that accommodate the lead screw is located the cylinder body cooperates there is the spring holder, is equipped with the upper portion spring between spring holder and the piston, install the disk seat in the valve body, the case lies in the valve body, and the cover is equipped with the lower part spring on the case, valve rod that the top fixedly connected with that goes up the guide part set up along vertical orientation, valve rod pass the valve gap stretch into the cylinder body in the butt on the lower surface of piston, go up the valve gap and offer the connecting hole that can make valve body inner chamber and cylinder body inner chamber feed through. The utility model discloses simple structure, it is convenient to dismantle, and it is easy to maintain, has made things convenient for maintainer operation maintenance work, has reduced its working strength.
Description
Technical field
This utility model relates to a kind of direct-operated regulator, is specifically related to a kind of two-seater piston type self-contained pressure regulator.
Background technology
Direct-operated regulator is a new regulation valve kind.Relative to manual modulation valve, its advantage is to be automatically adjusted；Relative to electric control valve, its advantage is to need not external impetus.Application practice proves, in closed-loop water system (such as hot-water heating system, air conditioning water system), and proper use of this valve, the assignment of traffic of system can be realized easily；The dynamic equilibrium of system can be realized；The debugging efforts of system can be greatly simplified；The duty etc. of pump can be stablized.
In two-seater piston type self-contained pressure regulator the most on the market, valve rod links together with the piston in pressure-regulating device after stretching out valve body, and additionally piston is that the spring base above it links together.So, when pressure medium raises, the power that medium acts on piston raises immediately, piston is more than, by power upwards, the active force that spring is downward, piston upwards, makes the spring base above piston upwards extrude spring, and band movable valve plug moves up simultaneously, the aperture making valve seat reduces, and then makes the pressure medium of valve export end reduce.After pressure medium reduces, piston is less than the active force of spring by power upwards, piston moves downward, band movable valve plug moves downward simultaneously, increase the aperture of valve seat, so that the pressure medium of valve export end raises, no matter it is that pressure raises or reduces, finally makes pressure medium stable in setting value.But this structure is complex, if one of them parts is damaged, then just can be replaced after needing all to take apart, demolition and maintenance are the most inconvenient.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of simple in construction, convenient disassembly, safeguards easy two-seater piston type self-contained pressure regulator.
In order to solve above-mentioned technical problem, this utility model have employed following technical scheme:
nullA kind of two-seater piston type self-contained pressure regulator，Including valve body、Spool、Bonnet,、Bottom flange and pressure-regulating device，Described bonnet, and described bottom flange are separately mounted to the two ends up and down of described valve body，It is characterized in that: described pressure-regulating device includes being fixedly connected on the cylinder body on described bonnet, top，The piston that can move up and down it is sealed with in described cylinder body，The top of described cylinder body is equipped with a regulation screw mandrel vertically arranged，The partial threads that described regulation screw mandrel is positioned at described cylinder body is combined with spring base，It is positioned on the regulation screw mandrel above spring base to be formed along its circumferential projection and is prevented from regulating the limit baffle ring that screw mandrel is deviate from from cylinder body top，It is provided with between described spring base and described piston to move down for described piston and the upper springs of spring force is provided，The two ends of described upper springs are connected on described spring base and described piston respectively，The bar shaped pilot hole vertically arranged is offered on described cylinder body，On described spring base, threaded engagement has guider screw，In described guider screw can extend into described bar shaped pilot hole and can move along bar shaped pilot hole length direction；nullIn described valve body, valve seat is installed，Described spool is positioned at described valve body and can vertically move，Described spool includes the sealing that can coordinate and the upper guide part being positioned at the upper and lower two ends of sealing and lower guide part with described valve base sealing，Described lower guide part is slidably matched with it in can extend into described bottom flange，It is set with on described lower guide part to move up for described spool and the lower springs of spring force is provided，The two ends of described lower springs are connected on described sealing and described bottom flange respectively，The top of described upper guide part is fixedly connected with the valve rod vertically arranged，In described valve rod extend into described cylinder body through described bonnet, and it is slidably matched with described bonnet,，The end of described valve rod can be connected on the lower surface of described piston，Described bonnet, offers the connecting hole that described body cavity can be made to connect with described inner chamber of cylinder block.
In this utility model, together with valve rod is not attached to piston, after pressure medium raises, piston compression upper springs moves up, and after not having piston to stop above valve rod, spool moves up under lower springs active force, the beginning making valve seat reduces, and reaches the effect of blood pressure lowering.After piston rises, direct band movable valve plug does not rises, and it is dependent under the lower springs active force being sleeved on lower guide part rising, so only need in cylinder body, arrange piston, spring base, upper springs and regulation screw mandrel in pressure-regulating device, be used for setting the force value allowing medium to flow through.When a certain parts are damaged, just individually can carry out safeguarding replacing to damaging parts after taking cylinder body apart.And in the prior art, piston is to link together with valve rod and adjacent spring base, individually after certain parts damages, also needs to pull down and damage the miscellaneous part that parts link together after taking cylinder body apart.The most so multi-part links together, and the mismachining tolerance of accumulation is the biggest, then the highest to the processing request of each parts, arises that deviation causes installation difficulty the most when mounted.Relative to prior art, this utility model has simple in construction, convenient disassembly, safeguards easy advantage, greatly facilitates the work of attendant's Operation and Maintenance, and reduces its working strength.
As optimization, in described bottom flange, it is embedded with the bottom fairlead that described lower guide part can be made to pass and be slidably matched with it, in described bonnet, is embedded with the top fairlead that described valve rod can be made to pass and be slidably matched with it.Spool is moved up and down and guides by top fairlead and bottom fairlead respectively, enables spool to regulate and control pressure medium more accurately.
As optimization, described top fairlead and described bottom fairlead inwall are embedded with politef set.The coefficient of friction of politef self is extremely low, can reduce valve rod and the abrasion of lower guide part, improve service life.
As optimization, the described regulation screw mandrel between described limit baffle ring and described cylinder body top is set with thrust bearing.Regulation screw mandrel is rotating when, and limit baffle ring can wear and tear with cylinder body top, and thrust bearing not only reduces the friction between limit baffle ring and cylinder body, while can also bear from limit baffle ring power upwards, it is to avoid be damaged.
In sum, the beneficial effects of the utility model are: this utility model simple in construction, convenient disassembly, safeguard easily, by valve rod is separated with piston, rely on lower springs active force to promote spool to move, greatly simplify the structure of pressure-regulating device, facilitate the work of attendant's Operation and Maintenance, and reduce its working strength.
Accompanying drawing explanation
In order to make the purpose of utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is described in further detail, wherein:
Fig. 1 is sectional view of the present utility model；
Fig. 2 is enlarged diagram at A in Fig. 1；
Fig. 3 is enlarged diagram at B in Fig. 1.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
nullAs shown in Figure 1 to Figure 3，Two-seater piston type self-contained pressure regulator in this detailed description of the invention，Including valve body 1、Spool 2、Bonnet, 3、Bottom flange 4 and pressure-regulating device，Described bonnet, 3 and described bottom flange 4 are separately mounted to the two ends up and down of described valve body 1，Described pressure-regulating device includes the cylinder body 5 being fixedly connected on described bonnet, 3 top，The piston 6 that can move up and down it is sealed with in described cylinder body 5，The top of described cylinder body 5 is equipped with a regulation screw mandrel 7 vertically arranged，Described regulation screw mandrel 7 is positioned at the partial threads of described cylinder body 5 and is combined with spring base 8，It is positioned on the regulation screw mandrel 7 above spring base 8 to be formed along its circumferential projection and is prevented from regulating the limit baffle ring 19 that screw mandrel 7 is deviate from from cylinder body 5 top，It is provided with between described spring base 8 and described piston 6 to move down for described piston 6 and the upper springs 9 of spring force is provided，The two ends of described upper springs 9 are connected on described spring base 8 and described piston 6 respectively，The bar shaped pilot hole 10 vertically arranged is offered on described cylinder body 5，On described spring base 8, threaded engagement has guider screw 11，In described guider screw 11 can extend into described bar shaped pilot hole 10 and can move along bar shaped pilot hole 10 length direction；nullIn described valve body 1, valve seat 12 is installed，Described spool 2 is positioned at described valve body 1 and can vertically move，Described spool 2 includes sealing the sealing coordinated and the upper guide part being positioned at the upper and lower two ends of sealing and lower guide part with described valve seat 12，Described lower guide part is slidably matched with it in can extend into described bottom flange 4，It is set with on described lower guide part to move up for described spool 2 and the lower springs 13 of spring force is provided，The two ends of described lower springs 13 are connected on described sealing and described bottom flange 4 respectively，The top of described upper guide part is fixedly connected with the valve rod 14 vertically arranged，In described valve rod 14 extend into described cylinder body 5 through described bonnet, 3 and it is slidably matched with described bonnet, 3，The end of described valve rod 14 can be connected on the lower surface of described piston 6，Described bonnet, 3 offers the connecting hole 15 that can make described valve body 1 inner chamber with described cylinder body 5 inner space.
In this detailed description of the invention, in described bottom flange 4, it is embedded with the bottom fairlead 16 that described lower guide part can be made to pass and be slidably matched with it, in described bonnet, 3, is embedded with the top fairlead 17 that described valve rod 14 can be made to pass and be slidably matched with it.
In this detailed description of the invention, described top fairlead 16 and described bottom fairlead 17 inwall are embedded with politef set 18.
In this detailed description of the invention, the described regulation screw mandrel 7 between described limit baffle ring 19 and described cylinder body 5 top is set with thrust bearing 20.
During being embodied as, the lower surface of described piston 6 is evenly equipped with multiple blind hole for alleviating described piston 6 weight with described piston 6 axis for the center of circle.Reduce the weight of whole valve, it is simple to construction and installation.On the most described piston 6 and described cylinder body 5 contact surface, the described axial uniform intervals of piston 6 is provided with a plurality of cannelure axially arranged along described piston 6, the sealing ring for described piston 6 is sealed it is embedded with described cylinder body 5 in each cannelure, increase its sealing, prevent from revealing.
Finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described by referring to preferred embodiment of the present utility model, but it will be understood by those within the art that, in the form and details it can be made various change, the spirit and scope of the present utility model limited without departing from appended claims.
Claims (4)
- null1. a two-seater piston type self-contained pressure regulator，Including valve body、Spool、Bonnet,、Bottom flange and pressure-regulating device，Described bonnet, and described bottom flange are separately mounted to the two ends up and down of described valve body，It is characterized in that: described pressure-regulating device includes being fixedly connected on the cylinder body on described bonnet, top，The piston that can move up and down it is sealed with in described cylinder body，The top of described cylinder body is equipped with a regulation screw mandrel vertically arranged，The partial threads that described regulation screw mandrel is positioned at described cylinder body is combined with spring base，It is positioned on the regulation screw mandrel above spring base to be formed along its circumferential projection and is prevented from regulating the limit baffle ring that screw mandrel is deviate from from cylinder body top，It is provided with between described spring base and described piston to move down for described piston and the upper springs of spring force is provided，The two ends of described upper springs are connected on described spring base and described piston respectively，The bar shaped pilot hole vertically arranged is offered on described cylinder body，On described spring base, threaded engagement has guider screw，In described guider screw can extend into described bar shaped pilot hole and can move along bar shaped pilot hole length direction；nullIn described valve body, valve seat is installed，Described spool is positioned at described valve body and can vertically move，Described spool includes the sealing that can coordinate and the upper guide part being positioned at the upper and lower two ends of sealing and lower guide part with described valve base sealing，Described lower guide part is slidably matched with it in can extend into described bottom flange，It is set with on described lower guide part to move up for described spool and the lower springs of spring force is provided，The two ends of described lower springs are connected on described sealing and described bottom flange respectively，The top of described upper guide part is fixedly connected with the valve rod vertically arranged，In described valve rod extend into described cylinder body through described bonnet, and it is slidably matched with described bonnet,，The end of described valve rod can be connected on the lower surface of described piston，Described bonnet, offers the connecting hole that described body cavity can be made to connect with described inner chamber of cylinder block.
- Two-seater piston type self-contained pressure regulator the most according to claim 1, it is characterized in that: in described bottom flange, be embedded with the bottom fairlead that described lower guide part can be made to pass and be slidably matched with it, in described bonnet, be embedded with the top fairlead that described valve rod can be made to pass and be slidably matched with it.
- Two-seater piston type self-contained pressure regulator the most according to claim 2, it is characterised in that: described top fairlead and described bottom fairlead inwall are embedded with politef set.
- Two-seater piston type self-contained pressure regulator the most according to claim 1, it is characterised in that: it is set with thrust bearing on the described regulation screw mandrel between described limit baffle ring and described cylinder body top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620495758.1U CN205639661U (en) | 2016-05-28 | 2016-05-28 | Two -seater piston self -operated pressure control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620495758.1U CN205639661U (en) | 2016-05-28 | 2016-05-28 | Two -seater piston self -operated pressure control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639661U true CN205639661U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620495758.1U Expired - Fee Related CN205639661U (en) | 2016-05-28 | 2016-05-28 | Two -seater piston self -operated pressure control valve |
Country Status (1)
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| CN (1) | CN205639661U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641296A (en) * | 2016-11-07 | 2017-05-10 | 武汉船用机械有限责任公司 | Quick-switching-off and regulating valve |
| CN106979377A (en) * | 2017-03-30 | 2017-07-25 | 西安航天动力研究所 | A kind of manual catch means |
| CN110159767A (en) * | 2019-05-29 | 2019-08-23 | 宁波文泽机电技术开发有限公司 | A kind of regulating valve of two-seater |
| CN111075937A (en) * | 2019-12-19 | 2020-04-28 | 上海百图低温阀门有限公司 | Large-drift-diameter piston type pressure regulating valve |
| CN114215925A (en) * | 2021-12-23 | 2022-03-22 | 国能(福州)热电有限公司 | Regulating valve |
| CN115163844A (en) * | 2022-06-24 | 2022-10-11 | 中国船舶重工集团公司第七一九研究所 | Wide-range balance plunger regulating valve |
-
2016
- 2016-05-28 CN CN201620495758.1U patent/CN205639661U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641296A (en) * | 2016-11-07 | 2017-05-10 | 武汉船用机械有限责任公司 | Quick-switching-off and regulating valve |
| CN106979377A (en) * | 2017-03-30 | 2017-07-25 | 西安航天动力研究所 | A kind of manual catch means |
| CN106979377B (en) * | 2017-03-30 | 2023-08-04 | 西安航天动力研究所 | Manual locking device |
| CN110159767A (en) * | 2019-05-29 | 2019-08-23 | 宁波文泽机电技术开发有限公司 | A kind of regulating valve of two-seater |
| CN110159767B (en) * | 2019-05-29 | 2020-08-25 | 台州艾迪西盛大暖通科技有限公司 | Double-seat regulating valve |
| CN111075937A (en) * | 2019-12-19 | 2020-04-28 | 上海百图低温阀门有限公司 | Large-drift-diameter piston type pressure regulating valve |
| CN111075937B (en) * | 2019-12-19 | 2021-02-05 | 上海百图低温阀门有限公司 | Large-drift-diameter piston type pressure regulating valve |
| CN114215925A (en) * | 2021-12-23 | 2022-03-22 | 国能(福州)热电有限公司 | Regulating valve |
| CN115163844A (en) * | 2022-06-24 | 2022-10-11 | 中国船舶重工集团公司第七一九研究所 | Wide-range balance plunger regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |