CN205806604U - A kind of New type pressure regulating valve - Google Patents

A kind of New type pressure regulating valve Download PDF

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Publication number
CN205806604U
CN205806604U CN201620504587.4U CN201620504587U CN205806604U CN 205806604 U CN205806604 U CN 205806604U CN 201620504587 U CN201620504587 U CN 201620504587U CN 205806604 U CN205806604 U CN 205806604U
Authority
CN
China
Prior art keywords
valve
diaphragm
pressure
valve body
spool
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
Application number
CN201620504587.4U
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Chinese (zh)
Inventor
马武辉
夏任杰
毛小伟
单杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Xin Jiahang Automatic Industrial Co Ltd
Original Assignee
Ningbo Xin Jiahang Automatic Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Xin Jiahang Automatic Industrial Co Ltd filed Critical Ningbo Xin Jiahang Automatic Industrial Co Ltd
Priority to CN201620504587.4U priority Critical patent/CN205806604U/en
Application granted granted Critical
Publication of CN205806604U publication Critical patent/CN205806604U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

nullThe utility model discloses a kind of New type pressure regulating valve,Including valve body、Valve gap、Valve seat、Regulating hand wheel of pressure、Screw press、Pressure regulation nut、Pressure spring、Diaphragm unit、Feedback conduit、Valve rod、Spool and back-moving spring,Pressure regulating cavity it is formed with between valve gap and valve body,Screw press、Pressure regulation nut、Pressure spring and diaphragm unit are the most sequentially installed in pressure regulating cavity,Valve pocket it is formed with between valve seat and valve body,Valve rod、Spool and back-moving spring are the most sequentially installed in valve pocket,Diaphragm unit includes voltage regulation diaphragm、Diaphragm seat and diaphragm support,Diaphragm seat close-fitting is sheathed on diaphragm support,The perimetral tight of voltage regulation diaphragm is folded between valve gap and valve body,The middle part of voltage regulation diaphragm is closely folded between diaphragm seat and diaphragm support,The rubber blanket of inverted concave also it is embedded with in diaphragm support,The groove that valve rod top heads into rubber blanket bottom is interior so that valve rod upper end coordinates with the regulator hole of rubber blanket.This utility model has preferable high voltage performance, pressure regulation good stability, and precision is higher.

Description

A kind of New type pressure regulating valve
Technical field
This utility model relates to air relief valve technical field, is specifically related to a kind of New type pressure regulating valve.
Background technology
Air relief valve is by regulation, and inlet pressure reduces to the outlet pressure of a certain needs, and relies on the energy of medium itself, Outlet pressure is made automatically to keep stable valve.From the viewpoint of hydrodynamics, air relief valve is that a local resistance can change Restricting element, i.e. by change orifice size, make the kinetic energy of flow velocity and fluid change, cause different power to lose, from And reach the purpose of decompression.Then rely on and control and the regulation of regulation system, make the fluctuation of downstream pressure balance each other with spring force, Downstream pressure is made to keep constant in certain range of error.
Pressure regulator valve is because of Structure Designing Problem at present, and high voltage performance is relatively low, and high pressure pressure regulation stability and precision are not, mainly Being presented as, existing diaphragm assembling structure is yielding when fluctuating under elevated pressure conditions to be loosened, and causes pressure regulation accuracy the highest, shadow Ringing service life, additionally regulating hand wheel of pressure and screw press are matched in clearance, pressure regulation less stable, flat between valve rod and diaphragm Face coordinates causes the problem that under condition of high voltage, pressure regulation stability is inadequate.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of New type pressure regulating valve, has preferable resistance to height Pressure performance, pressure regulation good stability, precision is higher.
To achieve these goals, this utility model be the technical scheme is that
A kind of New type pressure regulating valve, including valve body, valve gap, valve seat, regulating hand wheel of pressure, screw press, pressure regulation nut, pressure regulation bullet Spring, diaphragm unit, feedback conduit, valve rod, spool and back-moving spring, valve gap sets to be carried on the back in valve body upper end, and valve seat is arranged at valve Body lower end, regulating hand wheel of pressure is rotatablely arranged at valve gap upper end, is formed with pressure regulating cavity between valve gap and valve body, screw press, Pressure regulation nut, pressure spring and diaphragm unit are the most sequentially installed in pressure regulating cavity, are formed with valve between valve seat and valve body Chamber, valve rod, spool and back-moving spring be the most sequentially installed in valve pocket, and valve body is provided with air inlet and air vent, air inlet Mouth is connected with air vent by valve pocket, and feedback conduit is arranged on valve body, and air inlet passes through below feedback conduit and diaphragm unit Pressure regulating cavity connection, diaphragm unit includes that voltage regulation diaphragm, diaphragm seat and diaphragm support, diaphragm seat close-fitting are sheathed on diaphragm support On, the perimetral tight of voltage regulation diaphragm is folded between valve gap and valve body, and the middle part of voltage regulation diaphragm is closely folded in diaphragm seat and film Between tablet tray, the upper end of diaphragm seat abuts with the lower end of pressure spring, is also embedded with the rubber blanket of inverted concave in diaphragm support, Rubber blanket is equipped with what the pressure regulating cavity above by diaphragm unit connected with the pressure regulating cavity below diaphragm unit with diaphragm support Regulator hole, valve rod upper end is round end shape, in valve rod top heads into the groove of rubber blanket bottom so that valve rod upper end and rubber blanket Regulator hole coordinates.
Further, the position corresponding with voltage regulation diaphragm periphery, valve body upper end is provided with bulge loop, and valve gap upper end is provided with and coordinates with bulge loop Scrobicular ring.
Further, screw press upper end stretches out in and coordinates with regulating hand wheel of pressure outside valve gap, and screw press stretches out the position of valve gap and sets Limited location tooth, regulating hand wheel of pressure is provided with the spacing teeth groove coordinated with this limiting tooth;Valve gap is provided with locking teeth, and regulating hand wheel of pressure sets There is the locking teeth groove coordinated in this locking teeth;Valve gap outer wall is provided with the first clasp and the second clasp, and the first clasp is positioned at second and buckles Above ring, the inwall of regulating hand wheel of pressure is provided with buckle, and regulating hand wheel of pressure moves up and down so that buckle and the first clasp or the second clasp card Snap fit is closed;When buckle and the first clasp coordinate, regulating hand wheel of pressure drives screw press by spacing teeth groove with coordinating of limiting tooth Rotating, when buckle and the second clasp coordinate, regulating hand wheel of pressure is locked relative to valve gap with the cooperation of locking teeth by locking teeth groove.
Further, valve body upper end is provided with catch and the first sealing ring, and the first sealing ring is sheathed on valve rod, and catch is used for limiting The first sealing ring is fixed in position, and valve rod upper end coordinates through rear catch with black box.
Further, valve seat is provided with spring mounting groove and spool mounting groove, and spool mounting groove is positioned at spring mounting groove, spool Being installed in spool mounting groove, spool is provided with the second sealing ring coordinated with spool mounting groove inwall, and back-moving spring is installed in In spring mounting groove, back-moving spring upper end offsets with spool;Stem lower portion is inserted in spool, valve rod lower end be also arranged with The E shape clasp that spool coordinates.
Further, valve seat is connected with valve body screw thread, is additionally provided with the 3rd sealing ring between valve seat and valve body.
Further, valve body is die cast, and valve body lower end is additionally provided with deckboard, and deckboard is spacing with valve seat to be coordinated.
Further, valve body upper end is provided with the limit mounting groove coordinated with valve gap, and valve gap is installed in this limit mounting groove and leads to Cross Self-locking screw to be fixedly connected with the valve body.
Further, voltage regulation diaphragm is folder stratum reticulare rubber diaphragm, including upper rubber layer, middle layer metal folder stratum reticulare and lower floor rubber Glue-line, middle layer metal folder stratum reticulare is folded between upper rubber layer and underlying rubber layer, upper rubber layer and underlying rubber layer heat Melt and be connected in one.
Use after technique scheme, this utility model the most advantageously:
Pressure regulator valve described in the utility model, by improving the structure of diaphragm unit, uses diaphragm seat sandwiched with diaphragm support The structure of voltage regulation diaphragm, is embedded the rubber blanket of the inverted concave coordinated with valve rod upper end round end shape in diaphragm support, has preferably High voltage performance, pressure regulation good stability, precision is higher.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is assembling structural representation of the present utility model;
Fig. 2 is decomposition texture schematic diagram of the present utility model;
Fig. 3 is the partial structurtes schematic diagram in Fig. 1 shown in A.
In figure, 1 valve body, 2 regulating hand wheel of pressures, 3 screw press, 4 pressure regulation pads, 5 pressure regulation nuts, 6 pressure springs, 7 from Lock screw, 8 diaphragm seats, 9 diaphragm supports, 10 feedback conduit, 11 rubber blankets, 12 voltage regulation diaphragms, 13 catch, 14 the One sealing ring, 15 valve rods, 16 spools, 17 second sealing rings, 18E shape clasp, 19 back-moving springs, 20 deckboards, 21 the 3rd sealing rings, 22 valve seats, 23 valve gaps, 24 bulge loops, 25 scrobicular rings.
Detailed description of the invention
The following stated is only preferred embodiment of the present utility model, the most therefore limits protection domain of the present utility model.
Seeing Fig. 1, a kind of New type pressure regulating valve, including valve body 1, valve gap 23, valve seat 22, regulating hand wheel of pressure 2, screw press 3, pressure regulation nut 5, pressure spring 6, diaphragm unit, feedback conduit 10, valve rod 15, spool 16 and back-moving spring 19, Valve gap 23 is arranged at valve body 1 upper end, and valve body 1 upper end is provided with the limit mounting groove coordinated with valve gap 23, and valve gap 23 is installed Being connected in this limit mounting groove and by Self-locking screw 7 is fixing with valve body 1, valve seat 22 is arranged at valve body 1 lower end, valve Seat 22 is threadeded with valve body 1, and valve seat 22 is provided with spring mounting groove and spool 16 mounting groove, and spool 16 mounting groove is positioned at In spring mounting groove, spool 16 is installed in spool 16 mounting groove, and spool 16 is provided with joins with spool 16 mounting groove inwall The second sealing ring 17 closed, back-moving spring 19 is installed in spring mounting groove, and back-moving spring 19 upper end offsets with spool 16, Being additionally provided with the 3rd sealing ring 21 between valve seat 22 and valve body 1, valve body 1 is die cast, and valve body 1 lower end is additionally provided with decoration Cover plate 20, deckboard 20 is spacing with valve seat 22 to be coordinated, and plays spacing to device cover plate when valve seat 22 is connected with valve body 1 Effect, prevents it from coming off, and regulating hand wheel of pressure 2 is rotatablely arranged at valve gap 23 upper end, is formed between valve gap 23 and valve body 1 Pressure regulating cavity, screw press 3, pressure regulation nut 5, pressure spring 6 and diaphragm unit is had the most sequentially to be installed in pressure regulating cavity In, it being formed with valve pocket between valve seat 22 and valve body 1, valve rod 15, spool 16 and back-moving spring 19 the most sequentially fill Being located in valve pocket, valve body 1 is provided with air inlet and air vent, and air inlet is connected with air vent by valve pocket, feedback conduit 10 Being arranged on valve body 1, air inlet is connected with the pressure regulating cavity below diaphragm unit by feedback conduit 10.
Wherein, diaphragm unit includes that voltage regulation diaphragm 12, diaphragm seat 8 and diaphragm support 9, diaphragm seat 8 close-fitting are sheathed on diaphragm On pallet 9, the perimetral tight of voltage regulation diaphragm 12 is folded between valve gap 23 and valve body 1, and the middle part of voltage regulation diaphragm 12 is tight Close being folded between diaphragm seat 8 and diaphragm support 9, the upper end of diaphragm seat 8 abuts with the lower end of pressure spring 6, diaphragm torr Also it is embedded with the rubber blanket 11 of inverted concave, rubber blanket 11 and diaphragm support 9 in dish 9 to be equipped with above by diaphragm unit The regulator hole that connects with the pressure regulating cavity below diaphragm unit of pressure regulating cavity, valve rod 15 upper end is round end shape, and valve rod 15 top is pushed up The groove entering rubber blanket 11 bottom is interior so that valve rod 15 upper end coordinates with the regulator hole of rubber blanket 11, and valve body 1 upper end is provided with Catch 13 and the first sealing ring 14, the first sealing ring 14 is sheathed on valve rod 15, and to fix first close for spacing for catch 13 Seal 14, valve rod 15 upper end coordinates through rear catch 13 with black box, and valve rod 15 bottom is inserted in spool 16, valve Bar 15 lower end is also arranged with the E shape clasp 18 coordinated with spool 16.Valve body 1 upper end is corresponding with voltage regulation diaphragm 12 periphery Position is provided with bulge loop 24, and valve gap 23 upper end is provided with the scrobicular ring 25 coordinated with bulge loop 24, and the periphery of voltage regulation diaphragm 12 is sandwiched Between bulge loop 24 and scrobicular ring 25 so that voltage regulation diaphragm 12 is difficult to when fluctuating up and down loosen, and attachment structure is more firm. Voltage regulation diaphragm 12 is folder stratum reticulare rubber diaphragm, including upper rubber layer, middle layer metal folder stratum reticulare and underlying rubber layer, middle level Metal clip stratum reticulare is folded between upper rubber layer and underlying rubber layer, and upper rubber layer and underlying rubber layer hot-melt adhesive paste are in one Body, constructing of this voltage regulation diaphragm 12 has higher structural strength and toughness, and service life is longer.
Screw press 3 upper end stretches out in and coordinates with regulating hand wheel of pressure 2 outside valve gap 23, and screw press 3 stretches out the position of valve gap 23 Being provided with limiting tooth, regulating hand wheel of pressure 2 is provided with the spacing teeth groove coordinated with this limiting tooth;Valve gap 23 is provided with locking teeth, pressure regulation Handwheel 2 is provided with the locking teeth groove coordinated in this locking teeth;Pressure regulation pad 4 it is additionally provided with between screw press 3 and valve gap 23, Valve gap 23 outer wall is provided with the first clasp and the second clasp, and the first clasp is positioned at above the second clasp, the inwall of regulating hand wheel of pressure 2 Being provided with buckle, regulating hand wheel of pressure 2 moves up and down so that buckle and the first clasp or the second clasp are clasped;When buckle and first When clasp coordinates, regulating hand wheel of pressure 2 drives screw press 3 to rotate by coordinating of spacing teeth groove and limiting tooth, when buckle and the When two clasps coordinate, regulating hand wheel of pressure 2 is locked relative to valve gap 23 with the cooperation of locking teeth by locking teeth groove.
Embodiment described above is not limited to this utility model, for corresponding those skilled in the art, new in this practicality Within the spirit of type and principle, wherein portion of techniques feature is carried out equivalent, should be included in protection model of the present utility model Within enclosing.

Claims (9)

1. a New type pressure regulating valve, including valve body (1), valve gap (23), valve seat (22), regulating hand wheel of pressure (2), Screw press (3), pressure regulation nut (5), pressure spring (6), diaphragm unit, feedback conduit (10), valve rod (15), Spool (16) and back-moving spring (19), valve gap (23) is arranged at valve body (1) upper end, and valve seat (22) is arranged at valve Body (1) lower end, regulating hand wheel of pressure (2) is rotatablely arranged at valve gap (23) upper end, valve gap (23) and valve body (1) Between be formed with pressure regulating cavity, screw press (3), pressure regulation nut (5), pressure spring (6) and diaphragm unit are from up to Under be sequentially installed in pressure regulating cavity, be formed with valve pocket, valve rod (15), spool (16) between valve seat (22) and valve body (1) The most sequentially being installed in valve pocket with back-moving spring (19), valve body (1) is provided with air inlet and air vent, air inlet Being connected with air vent by valve pocket, feedback conduit (10) is arranged on valve body (1), and air inlet passes through feedback conduit (10) Connect with the pressure regulating cavity below diaphragm unit, it is characterised in that: diaphragm unit includes voltage regulation diaphragm (12), diaphragm seat (8) With diaphragm support (9), diaphragm seat (8) close-fitting is sheathed on diaphragm support (9), and the periphery of voltage regulation diaphragm (12) is tight Close be folded between valve gap (23) and valve body (1), the middle part of voltage regulation diaphragm (12) be closely folded in diaphragm seat (8) with Between diaphragm support (9), the upper end of diaphragm seat (8) abuts with the lower end of pressure spring (6), in diaphragm support (9) Also it is embedded with the rubber blanket (11) of inverted concave, rubber blanket (11) and diaphragm support (9) to be equipped with for by diaphragm unit The regulator hole that the pressure regulating cavity of top connects with the pressure regulating cavity below diaphragm unit, valve rod (15) upper end is round end shape, valve rod (15) The groove that top heads into rubber blanket (11) bottom is interior so that valve rod (15) upper end coordinates with the regulator hole of rubber blanket (11).
A kind of New type pressure regulating valve the most according to claim 1, it is characterised in that: valve body (1) upper end and voltage regulation diaphragm (12) position that periphery is corresponding is provided with bulge loop (24), and valve gap (23) upper end is provided with the scrobicular ring (25) coordinated with bulge loop (24).
A kind of New type pressure regulating valve the most according to claim 1, it is characterised in that: screw press (3) upper end stretches out in Valve gap (23) coordinates with regulating hand wheel of pressure (2) outward, and screw press (3) stretches out the position of valve gap (23) and is provided with limiting tooth, Regulating hand wheel of pressure (2) is provided with the spacing teeth groove coordinated with this limiting tooth;Valve gap (23) is provided with locking teeth, regulating hand wheel of pressure (2) It is provided with the locking teeth groove coordinated in this locking teeth;Valve gap (23) outer wall is provided with the first clasp and the second clasp, the first clasp Being positioned at above the second clasp, the inwall of regulating hand wheel of pressure (2) is provided with buckle, regulating hand wheel of pressure (2) move up and down so that buckle with First clasp or the second clasp are clasped;When buckle and the first clasp coordinate, regulating hand wheel of pressure (2) passes through spacing teeth groove Rotating with drive screw press (3) that coordinates of limiting tooth, when buckle and the second clasp coordinate, regulating hand wheel of pressure (2) passes through Locking teeth groove locks relative to valve gap (23) with the cooperation of locking teeth.
A kind of New type pressure regulating valve the most according to claim 1, it is characterised in that: valve body (1) upper end is provided with catch (13) With the first sealing ring (14), the first sealing ring (14) is sheathed on valve rod (15), and catch (13) is for spacing fixing First sealing ring (14), valve rod (15) upper end coordinates through rear catch (13) with black box.
A kind of New type pressure regulating valve the most according to claim 1, it is characterised in that: valve seat (22) is provided with spring and installs Groove and spool (16) mounting groove, spool (16) mounting groove is positioned at spring mounting groove, and spool (16) is installed in spool (16) In mounting groove, spool (16) is provided with the second sealing ring (17) coordinated with spool (16) mounting groove inwall, reset bullet Spring (19) is installed in spring mounting groove, and back-moving spring (19) upper end offsets with spool (16);Valve rod (15) bottom Being inserted in spool (16), valve rod (15) lower end is also arranged with E shape clasp (18) coordinated with spool (16).
A kind of New type pressure regulating valve the most according to claim 1, it is characterised in that: valve seat (22) and valve body (1) spiral shell Stricture of vagina connects, and is additionally provided with the 3rd sealing ring (21) between valve seat (22) and valve body (1).
A kind of New type pressure regulating valve the most according to claim 1, it is characterised in that: valve body (1) is die cast, valve Body (1) lower end is additionally provided with deckboard (20), and deckboard (20) is spacing with valve seat (22) to be coordinated.
A kind of New type pressure regulating valve the most according to claim 1, it is characterised in that: valve body (1) upper end is provided with and valve gap (23) the limit mounting groove coordinated, in valve gap (23) is installed in this limit mounting groove and by Self-locking screw (7) and valve Body (1) is fixing to be connected.
A kind of New type pressure regulating valve the most according to claim 1, it is characterised in that: voltage regulation diaphragm (12) is folder stratum reticulare Rubber diaphragm, including upper rubber layer, middle layer metal folder stratum reticulare and underlying rubber layer, middle layer metal folder stratum reticulare is folded in upper strata Between rubber layer and underlying rubber layer, upper rubber layer and underlying rubber layer hot-melt adhesive paste are in one.
CN201620504587.4U 2016-05-26 2016-05-26 A kind of New type pressure regulating valve Expired - Fee Related CN205806604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620504587.4U CN205806604U (en) 2016-05-26 2016-05-26 A kind of New type pressure regulating valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620504587.4U CN205806604U (en) 2016-05-26 2016-05-26 A kind of New type pressure regulating valve

Publications (1)

Publication Number Publication Date
CN205806604U true CN205806604U (en) 2016-12-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620504587.4U Expired - Fee Related CN205806604U (en) 2016-05-26 2016-05-26 A kind of New type pressure regulating valve

Country Status (1)

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CN (1) CN205806604U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105909845A (en) * 2016-05-26 2016-08-31 宁波新佳行自动化工业有限公司 Novel pressure adjusting valve
CN109578593A (en) * 2018-12-11 2019-04-05 合肥市久环给排水燃气设备有限公司 A kind of high-pressure gas pressure regulator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105909845A (en) * 2016-05-26 2016-08-31 宁波新佳行自动化工业有限公司 Novel pressure adjusting valve
CN109578593A (en) * 2018-12-11 2019-04-05 合肥市久环给排水燃气设备有限公司 A kind of high-pressure gas pressure regulator
CN109578593B (en) * 2018-12-11 2023-10-27 合肥市久环给排水燃气设备有限公司 High-pressure gas pressure regulator

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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: 20161214