CN205806604U - A kind of New type pressure regulating valve - Google Patents
A kind of New type pressure regulating valve Download PDFInfo
- 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
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- valve
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- pressure
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- spool
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 62
- 238000007789 sealing Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 6
- 239000004831 Hot glue Substances 0.000 claims description 2
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
- 210000001215 vagina Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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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
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.
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 |
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CN205806604U true CN205806604U (en) | 2016-12-14 |
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Application Number | Title | Priority Date | Filing Date |
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CN201620504587.4U Expired - Fee Related CN205806604U (en) | 2016-05-26 | 2016-05-26 | A kind of New type pressure regulating valve |
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CN (1) | CN205806604U (en) |
Cited By (2)
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 |
-
2016
- 2016-05-26 CN CN201620504587.4U patent/CN205806604U/en not_active Expired - Fee Related
Cited By (3)
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 |