CN104132166B - Pressure regulator - Google Patents
Pressure regulator Download PDFInfo
- Publication number
- CN104132166B CN104132166B CN201410371430.4A CN201410371430A CN104132166B CN 104132166 B CN104132166 B CN 104132166B CN 201410371430 A CN201410371430 A CN 201410371430A CN 104132166 B CN104132166 B CN 104132166B
- Authority
- CN
- China
- Prior art keywords
- shell body
- pressure
- lower shell
- inner core
- elastomer diaphragm
- 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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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
- G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
- G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
- G05D16/0636—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane characterised by the loading device of the membrane, e.g. spring
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses pressure regulator, belong to decompressor, its structure comprises upper shell, lower shell body, elastomer diaphragm, support, dividing plate, guiding groove, push rod, cone, inner core, lower plugging plate, upper plugging plate and pressure regulator, elastomer diaphragm is provided with between upper shell and lower shell body, elastomer diaphragm top is provided with support, the top supported is provided with pressure regulator, elastomer diaphragm bottom is provided with dividing plate and inner core, inner core place is provided with cone, the top of cone is provided with push rod, push rod and elastomer diaphragm and support fix, the lower shell body of inner core bottom is provided with inlet tube, the lower shell body on inner core top is provided with outlet pipe, lower shell body between dividing plate and upper plugging plate and upper shell inner chamber are divided into hyperbaric chamber and low-pressure cavity by elastomer diaphragm, the lower shell body at hyperbaric chamber place is provided with high pressure water import, low-pressure continuous siphunculus is provided with between outlet pipe and upper shell.The present invention has and achieves pressure of return water and automatically regulate, and water pump stops the features such as cut out automatically.
Description
Technical field
The present invention relates to a kind of decompressor, especially a kind of pressure regulator for heating water return.
Background technique
Have tall building and low storied building to heat in community, most economical way is for pressurizeing low district circulating water the heating of paramount district needed height by compression pump, and heating water return is incorporated to low district backwater and carries out circulating-heating after decompression simultaneously.
Now commercially generally use reduction valve, but reduction valve non-expert is Heating System of High Residential Buildings develops, some performance parameters are not also suitable for direct connection heating system for high-rise building.In heating system, low during height during the pressure of return pipe, when the system is stopped, high district's heating heating system backwater requires to turn off immediately, completely cuts off, in order to avoid high district high pressure passes to low district with low sound zone system.But above requirement cannot be met according to reduction valve principle and formation.Secondly, reduction valve auxiliary control valve internal diameter less, easily blocking and cisco unity malfunction.
Another kind method is, directly connecting heat supply system without water tank for high-rise building, but it belongs to open system, can not be used for being provided with in the heating system of deaerating type of cycles, and it is many to change system pipeline, system complex, difficult arrangement, cannot adapt to many and build the operating mode simultaneously used.
Another method is, the piston type occurred in recent years cuts off, decompressor.According to its structure and working principle, change discharge area by piston like motion, reach the object of decompression.In order to guarantee to-and-fro motion, piston space need leave certain gap, but the water that must ensure zone of high pressure and low pressure area is at piston clearance string water, therefore this plant machinery machining accuracy is very high, not easily processing and fabricating, and easily blocks, gets stuck.
At present, the solution also do not had.
Summary of the invention
Technical assignment of the present invention provides a kind of pressure regulator for above-mentioned deficiency of the prior art, and this pressure regulator has and achieves pressure of return water and automatically regulate, and water pump stops the feature of automatically cutting out.
The technical solution adopted for the present invention to solve the technical problems is: it comprises upper shell, lower shell body, elastomer diaphragm, support, dividing plate, guiding groove, push rod, cone, inner core, lower plugging plate, upper plugging plate and pressure regulator, described upper shell is connected by adpting flange with between lower shell body, the top of described upper shell is provided with upper plugging plate, the bottom of lower shell body is provided with lower plugging plate, elastomer diaphragm is provided with between described upper shell and lower shell body, described elastomer diaphragm top is provided with support, the top of described support is provided with pressure regulator, dividing plate and inner core is disposed with from top to bottom in described elastomer diaphragm lower case, water inlet is provided with in the middle part of described inner core, described water inlet place is provided with the cone matched with water inlet, the top of described cone is provided with push rod, described push rod is fixed by clamping bolt and elastomer diaphragm and support through dividing plate, guiding groove is provided with between described push rod and dividing plate, described guiding groove and dividing plate fix, push rod is through guiding groove, lower shell body between described inner core and lower plugging plate is provided with inlet tube, lower shell body between inner core and dividing plate is provided with outlet pipe, lower shell body between dividing plate and upper plugging plate and upper shell inner chamber are divided into hyperbaric chamber and low-pressure cavity by described elastomer diaphragm, the lower shell body at described hyperbaric chamber place is provided with high pressure water import, low-pressure continuous siphunculus is provided with between the upper shell at described outlet pipe and low-pressure cavity place, described low-pressure continuous siphunculus is provided with adjustment ball valve, described inlet tube and outlet pipe are respectively arranged with pressure tap.
Described pressure regulator comprises Regulation spring, adjusting bolt, seal closure, sealing seat, briquetting and positioning pipe, described positioning pipe is arranged on the middle part of upper plugging plate, and be fixedly connected with upper plugging plate, described Regulation spring is arranged on the top of support, its top is positioned at positioning pipe, the top of described positioning pipe is fixedly installed sealing seat, described adjusting bolt bottom is through sealing seat, and be threaded with sealing seat, the bottom of adjusting bolt is fixed with briquetting, the adjusting bolt arranged outside on described sealing seat top has seal closure, described seal closure is threaded with sealing seat.
Sealing gasket is provided with between the sealing seat of described seal closure bottom and adjusting bolt.
O-ring seals is provided with between described push rod and guiding groove.
Compared to the prior art pressure regulator of the present invention, has following outstanding beneficial effect: by regulating the gap between inner core and cone, thus changing actual internal area, reaching pressure of return water and automatically regulating; By the dynamics regulating the dilatability of adjusting bolt to regulate Regulation spring, thus change the sectional area between inner core and cone, reach required outlet pressure; When intake stop time, cone deadweight and pressure of return water effect under, automatically close, can not block, get stuck, be easy to the features such as manufacture.
Accompanying drawing explanation
Accompanying drawing 1 is that the master of pressure regulator looks sectional structure schematic diagram;
Accompanying drawing 2 is plan structure schematic diagram of pressure regulator;
Description of reference numerals: 1 seal closure, 2 Regulation springs, 3 upper plugging plates, 4 elastomer diaphragms, 5 regulate ball valve, 6 dividing plates, 7 outlet pipes, 8 inner cores, 9 cones, 10 lower shell bodys, 11 lower plugging plates, 12 pressure tap, 13 inlet tubes, 14 push rods, 15 clamping bolts, 16O shape seal ring, 17 guiding grooves, 18 high pressure water imports, 19 adpting flanges, 20 support, 21 positioning pipes, 22 briquettings, 23 sealing seats, 24 sealing gaskets, 25 adjusting bolts, 26 low-pressure continuous siphunculus, 27 hyperbaric chambers, 28 low-pressure cavity, 29 water inlets, 30 upper shells.
Embodiment
With reference to Figure of description 1 and accompanying drawing 2, pressure regulator of the present invention is described in detail below.
Pressure regulator of the present invention, its structure comprises upper shell 30, lower shell body 10, elastomer diaphragm 4, support 20, dividing plate 6, guiding groove 17, push rod 14, cone 9, inner core 8, lower plugging plate 11, upper plugging plate 3 and pressure regulator, described upper shell 30 is connected by adpting flange 19 with between lower shell body 10, the top of described upper shell 30 is provided with upper plugging plate 3, the bottom of lower shell body 10 is provided with lower plugging plate 11, elastomer diaphragm 4 is provided with between described upper shell 30 and lower shell body 10, described elastomer diaphragm 4 top is provided with support 20, the top of described support 20 is provided with pressure regulator, dividing plate 6 and inner core 8 is disposed with from top to bottom in described elastomer diaphragm 4 lower case 10, water inlet 29 is provided with in the middle part of described inner core 8, described water inlet 29 place is provided with the cone 9 matched with water inlet 29, the top of described cone 9 is provided with push rod 14, described push rod 14 through dividing plate 6 by clamping bolt 15 and elastomer diaphragm 4 with support 20 and fix, guiding groove 17 is provided with between described push rod 14 and dividing plate 6, described guiding groove 17 fixes with dividing plate 6, push rod 14 is through guiding groove 17, lower shell body 10 between described inner core 8 and lower plugging plate 11 is provided with inlet tube 13, lower shell body 10 between inner core 8 and dividing plate 6 is provided with outlet pipe 7, lower shell body 10 between dividing plate 6 and upper plugging plate 3 and upper shell 30 inner chamber are divided into hyperbaric chamber 27 and low-pressure cavity 28 by described elastomer diaphragm 4, the lower shell body 10 at described hyperbaric chamber 27 place is provided with high pressure water import 18, low-pressure continuous siphunculus 26 is provided with between the upper shell 30 at described outlet pipe 7 and low-pressure cavity 28 place, described low-pressure continuous siphunculus 26 is provided with and regulates ball valve 5, described inlet tube 13 and outlet pipe 7 are respectively arranged with pressure tap 12.
Described pressure regulator comprises Regulation spring 2, adjusting bolt 25, seal closure 1, sealing seat 23, briquetting 22 and positioning pipe 21, described positioning pipe 21 is arranged on the middle part of upper plugging plate 3, and be fixedly connected with upper plugging plate 3, described Regulation spring 2 is arranged on the top of support 20, its top is positioned at positioning pipe 21, the top of described positioning pipe 21 is fixedly installed sealing seat 23, described adjusting bolt 25 bottom is through sealing seat 23, and be threaded with sealing seat 23, the bottom of adjusting bolt 25 is fixed with briquetting 22, adjusting bolt 25 arranged outside on described sealing seat 23 top has seal closure 1, described seal closure 1 is threaded with sealing seat 23.When adjusting the pressure, the seal closure 1 be threaded with sealing seat 23 is screwed off, now, move downward or upward along sealing seat 23 by turn adjusting bolt 25, briquetting 22 is made to be pressed on Regulation spring 2, thus regulate the dynamics of Regulation spring 2, thus change the sectional area between inner core 8 and cone 9, reach required outlet pressure.
Sealing gasket 24 is provided with between the sealing seat 23 of described seal closure 1 bottom and adjusting bolt 25.Make sealing effect better.
O-ring seals 16 is provided with between described push rod 14 and guiding groove 17.Make sealing effect better.
Being depressurized water (heating water return) enters in lower shell body 10 through inlet tube 13, high pressure water import 18 is connected with exit of pump, the high pressure water that water pump flows out enters hyperbaric chamber by high pressure water import 18, the thrust produced is at elastomer diaphragm 4 and support on 20, because hyperbaric chamber 27 and low-pressure cavity 28 are split by elastomer diaphragm 4, upwards arch upward in elastomer diaphragm 4 middle part under thrust, thus drive the push rod 14 be fixedly connected with elastomer diaphragm, cone 9 moves up along guiding groove 17, gap between inner core 8 and cone 9 is strengthened, be depressurized the water inlet 29 of water then in the middle part of inner core 8, flowed out by outlet pipe 7.When being depressurized water outflow, water outlet enters low-pressure cavity 28 by the adjustment ball valve 5 on low-pressure continuous siphunculus 26.By the dynamics regulating the dilatability of adjusting bolt 25 to regulate Regulation spring 2, thus change the sectional area between inner core 8 and cone 9, reach required outlet pressure.When the intake pressure being depressurized water raises suddenly, the pressure in outlet pipe 7 must be caused to raise, due to the connection by low-pressure continuous siphunculus 26, the pressure of low-pressure cavity 28 raises, break original pressure balance, thus promotion push rod 14, cone 9 move down along guiding groove 17, turn down actual internal area, make outlet pipe 7 outlet pressure maintain desirable value, vice versa.When intake stop time, cone 9 deadweight and pressure of return water effect under, automatically close.
Except the technical characteristics described in specification, be the known technology of those skilled in the art.
Claims (4)
1. pressure regulator, it is characterized in that: comprise upper shell, lower shell body, elastomer diaphragm, support, dividing plate, guiding groove, push rod, cone, inner core, lower plugging plate, upper plugging plate and pressure regulator, described upper shell is connected by adpting flange with between lower shell body, the top of described upper shell is provided with upper plugging plate, the bottom of lower shell body is provided with lower plugging plate, elastomer diaphragm is provided with between described upper shell and lower shell body, described elastomer diaphragm top is provided with support, the top of described support is provided with pressure regulator, dividing plate and inner core is disposed with from top to bottom in described elastomer diaphragm lower case, water inlet is provided with in the middle part of described inner core, described water inlet place is provided with the cone matched with water inlet, the top of described cone is provided with push rod, described push rod is fixed by clamping bolt and elastomer diaphragm and support through dividing plate, guiding groove is provided with between described push rod and dividing plate, described guiding groove and dividing plate fix, push rod is through guiding groove, lower shell body between described inner core and lower plugging plate is provided with inlet tube, lower shell body between inner core and dividing plate is provided with outlet pipe, lower shell body between dividing plate and upper plugging plate and upper shell inner chamber are divided into hyperbaric chamber and low-pressure cavity by described elastomer diaphragm, the lower shell body at described hyperbaric chamber place is provided with high pressure water import, low-pressure continuous siphunculus is provided with between the upper shell at described outlet pipe and low-pressure cavity place, described low-pressure continuous siphunculus is provided with adjustment ball valve, described inlet tube and outlet pipe are respectively arranged with pressure tap.
2. pressure regulator according to claim 1, it is characterized in that: described pressure regulator comprises Regulation spring, adjusting bolt, seal closure, sealing seat, briquetting and positioning pipe, described positioning pipe is arranged on the middle part of upper plugging plate, and be fixedly connected with upper plugging plate, described Regulation spring is arranged on the top of support, its top is positioned at positioning pipe, the top of described positioning pipe is fixedly installed sealing seat, described adjusting bolt bottom is through sealing seat, and be threaded with sealing seat, the bottom of adjusting bolt is fixed with briquetting, the adjusting bolt arranged outside on described sealing seat top has seal closure, described seal closure is threaded with sealing seat.
3. pressure regulator according to claim 2, is characterized in that: be provided with sealing gasket between the sealing seat of described seal closure bottom and adjusting bolt.
4. pressure regulator according to claim 1, is characterized in that: be provided with O-ring seals between described push rod and guiding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371430.4A CN104132166B (en) | 2014-07-31 | 2014-07-31 | Pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371430.4A CN104132166B (en) | 2014-07-31 | 2014-07-31 | Pressure regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104132166A CN104132166A (en) | 2014-11-05 |
| CN104132166B true CN104132166B (en) | 2016-04-27 |
Family
ID=51804957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410371430.4A Expired - Fee Related CN104132166B (en) | 2014-07-31 | 2014-07-31 | Pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132166B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092155B (en) * | 2016-05-31 | 2018-11-13 | 中航光电科技股份有限公司 | A kind of rotary connector |
| CN106092154B (en) * | 2016-05-31 | 2019-02-15 | 中航光电科技股份有限公司 | A kind of deep water rotary connector |
| CN107855947B (en) * | 2017-11-24 | 2023-08-11 | 无锡富岛科技股份有限公司 | Active sand adding pressure tank |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994021949A1 (en) * | 1993-03-19 | 1994-09-29 | Tour & Andersson Ab | Self-actuating control valve |
| KR20090127859A (en) * | 2009-11-18 | 2009-12-14 | 유운상 | Check type pressure reducing valve |
| CN202209458U (en) * | 2011-09-23 | 2012-05-02 | 广东正力精密机械有限公司 | Diaphragm type minimum pressure valve |
| CN202484380U (en) * | 2012-03-23 | 2012-10-10 | 浙江三方控制阀股份有限公司 | Internal-feedback type low-flow pressure regulating valve |
| CN203979545U (en) * | 2014-07-31 | 2014-12-03 | 山东国舜压力容器有限公司 | Pressure regulator |
-
2014
- 2014-07-31 CN CN201410371430.4A patent/CN104132166B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994021949A1 (en) * | 1993-03-19 | 1994-09-29 | Tour & Andersson Ab | Self-actuating control valve |
| KR20090127859A (en) * | 2009-11-18 | 2009-12-14 | 유운상 | Check type pressure reducing valve |
| CN202209458U (en) * | 2011-09-23 | 2012-05-02 | 广东正力精密机械有限公司 | Diaphragm type minimum pressure valve |
| CN202484380U (en) * | 2012-03-23 | 2012-10-10 | 浙江三方控制阀股份有限公司 | Internal-feedback type low-flow pressure regulating valve |
| CN203979545U (en) * | 2014-07-31 | 2014-12-03 | 山东国舜压力容器有限公司 | Pressure regulator |
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| Publication number | Publication date |
|---|---|
| CN104132166A (en) | 2014-11-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20170731 |