CN104132166A - Pressure regulator - Google Patents
Pressure regulator Download PDFInfo
- Publication number
- CN104132166A CN104132166A CN201410371430.4A CN201410371430A CN104132166A CN 104132166 A CN104132166 A CN 104132166A CN 201410371430 A CN201410371430 A CN 201410371430A CN 104132166 A CN104132166 A CN 104132166A
- Authority
- CN
- China
- Prior art keywords
- shell body
- pressure
- lower shell
- inner core
- push rod
- 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.)
- Granted
Links
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
Abstract
The invention discloses a pressure regulator, and belongs to pressure reduction devices. The pressure regulator structurally comprises an upper shell body, a lower shell body, a rubber diaphragm, a support, a partition plate, a guide groove, a push rod, a conical body, an inner core, a lower plugging plate, an upper plugging plate and a pressure-regulating device. The rubber diaphragm is arranged between the upper shell body and the lower shell body, the support is arranged on the upper portion of the rubber diaphragm, and the pressure-regulating device is arranged on the upper portion of the support. The partition plate and the inner core are arranged on the lower portion of the rubber diaphragm, the conical body is arranged on the inner core, the push rod is arranged on the upper portion of the conical body, and the push rod is fixedly connected with the rubber diaphragm and the support. An inlet pipe is arranged on the lower shell body arranged on the lower portion of the inner core, and a water discharging pipe is arranged on the lower shell body arranged on the upper portion of the inner core. An inner cavity between the lower shell body and the upper shell body and between the partition plate and the upper plugging plate is divided into a high pressure cavity and a low pressure cavity through the rubber diaphragm. A high pressure water inlet is formed in the lower shell body at the position of the high pressure cavity. A low pressure communicating pipe is arranged between the water discharging pipe and the upper shell body. The pressure regulator has the advantages of being capable of automatically adjusting return water pressure, automatically shutting down after a water pump stops and the like.
Description
Technical field
The present invention relates to a kind of decompressor, especially a kind of pressure regulator for heating water return.
Background technique
In community, have tall building and low storied building to heat, most economical way Wei Jiangdi district circulating water is by the compression pump paramount district needed height heating of pressurizeing simultaneously, and heating water return is incorporated to low district backwater and carries out circulating-heating after decompression.
Now general with reduction valve on market, but reduction valve is not to develop for Heating System of High Residential Buildings specially, and some performance parameters are not also suitable for direct connection heating system for high-rise building.In heating system, low when high when the pressure of return pipe, in the time that system stops, high district's heating heating system backwater requires to turn-off immediately, isolated with low sound zone system, in order to avoid high district high pressure passes to low district.But cannot meet above requirement according to reduction valve principle and formation.Secondly, reduction valve auxiliary control valve internal diameter less, easily stop up 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 the heating system of deaerating type of cycles, and it is many to change system pipeline, system complex, and difficult arrangement, cannot adapt to the operating mode that many buildings are used simultaneously.
Another method is that the piston type occurring in recent years cuts off, decompressor.According to its structure and working principle, move and change discharge area by piston type, 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 not at piston clearance string water, therefore this plant machinery machining accuracy is very high, is difficult for processing and fabricating, and easily stops up, get stuck.
At present, the solution also not had.
Summary of the invention
Technical assignment of the present invention is to provide a kind of pressure regulator for above-mentioned deficiency of the prior art, and this pressure regulator has have been realized pressure of return water and automatically regulate, the feature that water pump stops 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, between described upper shell and lower shell body, be connected by adpting flange, the top of described upper shell is provided with upper plugging plate, the bottom of lower shell body is provided with lower plugging plate, between described upper shell and lower shell body, be provided with elastomer diaphragm, described elastomer diaphragm top is provided with support, the top of described support is provided with pressure regulator, in described elastomer diaphragm lower case, be disposed with from top to bottom dividing plate and inner core, described inner core middle part is provided with water inlet, described water inlet place is provided with the cone matching with water inlet, the top of described cone is provided with push rod, described push rod fixes by clamping bolt and elastomer diaphragm and support through dividing plate, between described push rod and dividing plate, be provided with guiding groove, described guiding groove and dividing plate fix, push rod is through guiding groove, on lower shell body between described inner core and lower plugging plate, be provided with inlet tube, on lower shell body between inner core and dividing plate, be provided with outlet pipe, the 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, on the lower shell body at described hyperbaric chamber place, be provided with high pressure water import, between the upper shell at described outlet pipe and low-pressure cavity place, be provided with low-pressure continuous siphunculus, on described low-pressure continuous siphunculus, be provided with adjusting ball valve, on described intake pipe and outlet pipe, be 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.
Between the sealing seat of described seal closure bottom and adjusting bolt, be provided with sealing gasket.
Between described push rod and guiding groove, be provided with O-ring seals.
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, thereby change actual internal area, reach pressure of return water and automatically regulate; By regulating the dilatability of adjusting bolt to regulate the dynamics of Regulation spring, thereby change the sectional area between inner core and cone, reach required outlet pressure; In the time that water inlet stops, cone, under the effect of deadweight and pressure of return water, is closed automatically, can not stop up, get stuck, and is easy to the features such as manufacture.
Brief description of the drawings
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, between described upper shell 30 and lower shell body 10, be connected by adpting flange 19, 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, between described upper shell 30 and lower shell body 10, be provided with elastomer diaphragm 4, described elastomer diaphragm 4 tops are provided with supports 20, the top of described support 20 is provided with pressure regulator, in described elastomer diaphragm 4 lower case 10, be disposed with from top to bottom dividing plate 6 and inner core 8, described inner core 8 middle parts are provided with water inlet 29, described 29 places, water inlet are provided with the cone 9 matching with water inlet 29, the top of described cone 9 is provided with push rod 14, described push rod 14 fixes by clamping bolt 15 and elastomer diaphragm 4 and support 20 through dividing plate 6, between described push rod 14 and dividing plate 6, be provided with guiding groove 17, described guiding groove 17 fixes with dividing plate 6, push rod 14 is through guiding groove 17, on lower shell body 10 between described inner core 8 and lower plugging plate 11, be provided with inlet tube 13, on lower shell body 10 between inner core 8 and dividing plate 6, be provided with outlet pipe 7, the lower shell body 10 between dividing plate 6 and upper plugging plate 3 and upper shell 30 inner chambers are divided into hyperbaric chamber 27 and low-pressure cavity 28 by described elastomer diaphragm 4, on the lower shell body 10 at described hyperbaric chamber 27 places, be provided with high pressure water import 18, between the upper shell 30 at described outlet pipe 7 and low-pressure cavity 27 places, be provided with low-pressure continuous siphunculus 26, on described low-pressure continuous siphunculus 26, be provided with and regulate ball valve 5, on described intake pipe 13 and outlet pipe 7, be 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 supporting 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 bottoms are 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 tops have seal closure 1, described seal closure 1 is threaded with sealing seat 23.In the time regulating pressure, the seal closure 1 being threaded with sealing seat 23 is screwed off, now, can move downward or upward along sealing seat 23 by turn adjusting bolt 25, briquetting 22 is pressed on Regulation spring 2, thereby regulate the dynamics of Regulation spring 2, thereby change the sectional area between inner core 8 and cone 9, reach required outlet pressure.
Between the sealing seat 23 of described seal closure 1 bottom and adjusting bolt 25, be provided with sealing gasket 24.Make sealing effect better.
Between described push rod 14 and guiding groove 17, be provided with O-ring seals 16.Make sealing effect better.
Be depressurized water (heating water return) in inlet tube 13 enters lower shell body 10, 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 producing is in elastomer diaphragm 4 and support 20, because elastomer diaphragm 4 is cut apart hyperbaric chamber 27 and low-pressure cavity 28, upwards arch upward in elastomer diaphragm 4 middle part under thrust, thereby drive the push rod 14 being 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 that water passes through inner core 8 middle parts, flow out by outlet pipe 7.While being depressurized water outflow, water outlet enters low-pressure cavity 28 by the adjusting ball valve 5 on low-pressure continuous siphunculus 26.By regulating the dilatability of adjusting bolt 25 to regulate the dynamics of Regulation spring 2, thereby change the sectional area between inner core 8 and cone 9, reach required outlet pressure.In the time being depressurized the intake pressure of water and raising suddenly, must cause the pressure in outlet pipe 7 to raise, owing to passing through the connection of low-pressure continuous siphunculus 26, the pressure of low-pressure cavity 28 raises, break original pressure balance, move down along guiding groove 17 thereby promote push rod 14, cone 9, turn down actual internal area, make outlet pipe 7 outlet pressures maintain desirable value, vice versa.In the time that water inlet stops, cone 9, under the effect of deadweight and pressure of return water, is closed automatically.
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, between described upper shell and lower shell body, be connected by adpting flange, the top of described upper shell is provided with upper plugging plate, the bottom of lower shell body is provided with lower plugging plate, between described upper shell and lower shell body, be provided with elastomer diaphragm, described elastomer diaphragm top is provided with support, the top of described support is provided with pressure regulator, in described elastomer diaphragm lower case, be disposed with from top to bottom dividing plate and inner core, described inner core middle part is provided with water inlet, described water inlet place is provided with the cone matching with water inlet, the top of described cone is provided with push rod, described push rod fixes by clamping bolt and elastomer diaphragm and support through dividing plate, between described push rod and dividing plate, be provided with guiding groove, described guiding groove and dividing plate fix, push rod is through guiding groove, on lower shell body between described inner core and lower plugging plate, be provided with inlet tube, on lower shell body between inner core and dividing plate, be provided with outlet pipe, the 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, on the lower shell body at described hyperbaric chamber place, be provided with high pressure water import, between the upper shell at described outlet pipe and low-pressure cavity place, be provided with low-pressure continuous siphunculus, on described low-pressure continuous siphunculus, be provided with adjusting ball valve, on described intake pipe and outlet pipe, be 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: between the sealing seat of described seal closure bottom and adjusting bolt, be provided with sealing gasket.
4. pressure regulator according to claim 1, is characterized in that: between described push rod and guiding groove, be provided with O-ring seals.
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 true CN104132166A (en) | 2014-11-05 |
| CN104132166B 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092154A (en) * | 2016-05-31 | 2016-11-09 | 中航光电科技股份有限公司 | A kind of deep water rotary connector |
| CN106092155A (en) * | 2016-05-31 | 2016-11-09 | 中航光电科技股份有限公司 | A kind of rotary connector |
| CN107855947A (en) * | 2017-11-24 | 2018-03-30 | 无锡富岛科技股份有限公司 | A kind of active plus sand pressurized 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092154A (en) * | 2016-05-31 | 2016-11-09 | 中航光电科技股份有限公司 | A kind of deep water rotary connector |
| CN106092155A (en) * | 2016-05-31 | 2016-11-09 | 中航光电科技股份有限公司 | A kind of rotary connector |
| CN107855947A (en) * | 2017-11-24 | 2018-03-30 | 无锡富岛科技股份有限公司 | A kind of active plus sand pressurized tank |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104132166B (en) | 2016-04-27 |
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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 |
Granted publication date: 20160427 Termination date: 20170731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |