CN104514912A - Diaphragm valve of pneumatic motor - Google Patents
Diaphragm valve of pneumatic motor Download PDFInfo
- Publication number
- CN104514912A CN104514912A CN201310456674.8A CN201310456674A CN104514912A CN 104514912 A CN104514912 A CN 104514912A CN 201310456674 A CN201310456674 A CN 201310456674A CN 104514912 A CN104514912 A CN 104514912A
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- China
- Prior art keywords
- valve
- pneumatic motor
- diaphragm
- lining
- rotor
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/126—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm the seat being formed on a rib perpendicular to the fluid line
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a diaphragm valve of a pneumatic motor. The diaphragm valve of the pneumatic motor comprises a valve body, a cover, a diaphragm, a valve rod and a driving device; the cover is connected to the valve body; the diaphragm is connected between the valve body and the cover; the valve rod can slide relative to the cover and is connected with the diaphragm; the driving motor comprises the pneumatic motor and a bushing; the pneumatic motor is equipped with a power output shaft; the bushing can be rotated relative to the cover; the power output shaft is in transmission connection with the bushing to drive the bushing to rotate; the bushing is equipped with inner threads, and while the valve rod is equipped with outer threads; the bushing is screwed to the valve rod. The diaphragm valve of the pneumatic motor has the advantages that the pneumatic motor is used as a driving part to open and close the diaphragm valve or adjust the flow rate; in addition, the diaphragm valve is simple in size, safe and reliable, and can be operated normally under relatively low air pressure; the threaded transmission achieves the self-locking function, the diaphragm valve can be kept in the original state in case of abnormality in an air source; the opening degree of the diaphragm valve can be adjusted at random.
Description
Technical field
The present invention relates to a kind of pneumatic motor membrane valve.
Background technique
Current " pneumatic diaphragm valve " on the market, comprise valve body, valve gap, diaphragm, valve rod and drive unit, described valve gap is installed in valve body, described diaphragm is connected to valve body and valve cover chamber, described valve rod can relatively slide and connect diaphragm by valve gap, described drive unit adopts cylinder, and piston and the valve rod of described cylinder are affixed, drives valve stem slides to realize the open and close function of membrane valve by cylinder.The product of this kind of scheme is adopted to have following shortcoming:
1, because the piston cross-section of cylinder is long-pending large, make whole pneumatic diaphragm valve volume large.
2, when source of the gas is abnormal, when air pressure diminishes or disappears, this kind of pneumatic diaphragm valve can become closed condition from opening state suddenly or become opening state from closed condition, makes production unit cause danger or loss.
3, only there is standard-sized sheet and complete shut-down two states, not easily realize valve opening size adjustable.
4, when air pressure disappears, " pneumatic diaphragm valve " cannot control by manual mode.
5, because cylinder is straight line motion, valve switch can only be open soon, quick closing valve, thus easily cause the impact of water hammer of whole pipeline, there is potential safety hazard.
Summary of the invention
The invention provides pneumatic motor membrane valve, which overcome the deficiency in background technique existing for pneumatic diaphragm valve.
The technological scheme adopted that the present invention solves its technical problem is:
Pneumatic motor membrane valve, comprise valve body, valve gap, diaphragm, valve rod and drive unit, described valve gap is installed in valve body, described diaphragm is connected to valve body and valve cover chamber, described valve rod can relatively slide and connect diaphragm by valve gap, described drive unit comprises pneumatic motor and lining, described pneumatic motor has pto＝power take-off, described lining can rotate relative to valve gap, described pto connecting bushing rotates to drive lining, internal thread established by described lining, and described valve rod establishes outside thread, and described lining is spirally connected valve rod.
Among one embodiment, described pneumatic motor comprises:
Rotor, coaxial affixed pto＝power take-off and establish radial groove;
Cylinder body, there is inner chamber, comprise the contact wall of inner chamber, suction port and air outlet, described rotor pivot cylinder body and be positioned at inner chamber, described contact wall be projected as non-circular smoothed curve along rotor pivot axis, all through rotor pivot axis and the two ends line segment perseverance that is all connected to smoothed curve is equal;
Impeller assembly, comprise two relatively affixed blades, the spacing away from edge of described two blades equals above-mentioned line segment length, described impeller assembly be slidably connected radial groove and two blades respectively correspondence be positioned at pivot joint axis both sides, described two blades be all contacted with contact wall away from edge, make inner chamber be divided into induction part and outlet gas part by two blades, induction part connected by described suction port, and described outlet gas part connects air outlet; And
Air pressure mechanism, connects suction port and air outlet.
Among one embodiment, described impeller assembly also comprises a solid bar, and described solid bar is fixed between two blades.
Among one embodiment, described two blades are all tightly connected radial groove.
Among one embodiment, described contact wall and rotor along in the projection of rotor pivot axis, described rotor peripheries contacts with smoothed curve and this contacting point is tangent.
Among one embodiment, described cylinder body comprises upper end cap, lower end cap, perisporium and side cover, described upper end cap and the lower end cap upper and lower two ends of affixed perisporium respectively, described suction port and air outlet are located at perisporium, described side cover establishes two impenetrating mouths, the affixed perisporium of described side cover and two impenetrating mouths connect suction port and air outlet respectively.
Among one embodiment, the through hole that described perisporium runs through inside and outside also establishing, described through hole is between suction port and air outlet, and fricting strip is established in described through hole; Sealing gasket is established, described fricting strip contact sealing gasket, described rotor contact fricting strip between described side cover and perisporium.
Among one embodiment, described rotor is connected to upper end cap and lower end cap by bearing.
Among one embodiment, the outer projection bulge loop of described lining, described lining can rotate from bottom to top through valve gap, and described bulge loop contact, at valve gap, is separately established snap ring clamping lining and is supported by end face, coordinates positioning adapter by bulge loop and snap ring;
Polygonal section is established at described lining top; Separately establish intermediate gear, described intermediate gear adaptation is socketed in outside the polygonal section of lining, and described pto＝power take-off to be in transmission connection intermediate gear by reducing gear.
The technical program is compared with background technique, and its tool has the following advantages:
Adopt pneumatic motor as driver part, realize the unlatching of membrane valve, closedown or and flow regulating function, then can realize following advantage: a, same size product are compared, have that moment of torsion is large, volume is little, safe and reliable, also can normal running even if air pressure is on the low side; B, screw-driven have auto-lock function, even if source of the gas occurs abnormal, pneumatic diaphragm valve of the present invention also can keep original state, and membrane valve abnormal start-up can not occur or close phenomenon, thus avoids the loss of production unit; The torsion that c, membrane valve produce is large, even if air pressure also can normal running about normal half; It is adjustable arbitrarily that d, membrane valve can realize valve opening; E, adopt pneumatic motor, owing to being rotary motion, use screw drive valve switch, therefore, can switch at a slow speed, thus pipeline fluid is operated steadily.
Pneumatic motor adopts double-leaf, makes motor configuration simpler, easily processes.
Contact wall be projected as non-circular smoothed curve along rotor pivot axis, all through rotor pivot axis and the two ends line segment perseverance that is all connected to smoothed curve is equal, the spacing away from edge of two blades equals above-mentioned line segment length, two blades be all contacted with contact wall away from edge, when making double-leaf with rotor turns, two air blade relative distance does not change and is close to inboard wall of cylinder block, (traditional, pneumatic motor cylinder inwall is circular to eliminate the spring sheet of traditional, pneumatic motor, inboard wall of cylinder block can be close to for making air blade, have employed chip architecture of the spring), and because there is no the elastic force effect of spring sheet, make the friction of blade and inboard wall of cylinder block less, make air blade more durable.
Contact wall and rotor along in the projection of rotor pivot axis, rotor peripheries contacts with smoothed curve and this contacting point is tangent, and volume is little, rotates smooth.
The through hole that perisporium runs through inside and outside also establishing, through hole is between suction port and air outlet, and fricting strip is established in through hole; Establish sealing gasket between side cover and perisporium, fricting strip contact sealing gasket, rotor contact fricting strip, rotates smooth.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 depicts the schematic perspective view of the pneumatic motor membrane valve of a preferred embodiment.
Fig. 2 depicts the perspective exploded view of the pneumatic motor membrane valve of a preferred embodiment.
Fig. 3 depicts one of generalized section of the pneumatic motor membrane valve of a preferred embodiment, is now in open mode.
Fig. 4 depicts the generalized section two of the pneumatic motor membrane valve of a preferred embodiment, is now in closed condition.
Fig. 5 depicts the perspective exploded view of the pneumatic motor of the pneumatic motor membrane valve of a preferred embodiment.
Fig. 6 depicts the schematic perspective view of the pneumatic motor of the pneumatic motor membrane valve of a preferred embodiment.
Fig. 7 depicts the schematic top plan view of the pneumatic motor of the pneumatic motor membrane valve of a preferred embodiment.
Fig. 8 depicts the schematic rear view of the pneumatic motor of the pneumatic motor membrane valve of a preferred embodiment.
Fig. 9 depicts the schematic front view of the pneumatic motor of the pneumatic motor membrane valve of a preferred embodiment.
Figure 10 depicts the elevational schematic view of the pneumatic motor of the pneumatic motor membrane valve of a preferred embodiment.
Figure 11 depicts the B-B sectional drawing of Fig. 9.
Figure 12 depicts the C-C sectional drawing of Fig. 8.
Figure 13 depicts the D-D sectional drawing of Fig. 8.
Embodiment
Please refer to Fig. 1 to Figure 13, pneumatic motor membrane valve, comprise valve body 10, valve gap 20, diaphragm 30, valve rod 40 and drive unit 50, described valve gap 20 is installed in valve body 10, described diaphragm 30 is connected between valve body 10 and valve gap 20, described valve rod 40 can relatively slide and connect diaphragm 30 by valve gap 20, and described drive unit 50 connects valve rod 40 and slides to be with the relative valve gap 20 of ovable valve stem 40, is out of shape realization opens or closes or membrane valve flow control to be with dynamic diaphragm 30.
Among the present embodiment, described valve body 10 comprises an import 11, and exports 12 and a mount inlet 13, establishes protuberance 14 between the import 11 of described valve body 10 and outlet 12, and described mount inlet 13 is between import and outlet 12 and corresponding protuberance 14; Described valve gap 20 can be installed on valve body 10, described diaphragm 30 is between valve body 10 and valve gap 20, diaphragm 30 periphery is fixed by the attaching between valve body 10 and valve gap 20, described diaphragm 30 periphery is made to seal mount inlet 13 periphery, then make diaphragm 30 seal contact protuberance 14 by diaphragm 30 distortion and be in closed condition to make membrane valve, be in open mode away from protuberance 14 to make membrane valve by diaphragm 30, and do not wait then away from distance that membrane valve flow is not etc.Described valve body 10, valve gap 20 and diaphragm 30 structure are as adopted the structure of prior art, but in order to section transmission structure is installed in valve gap 20, make outward appearance more attractive in appearance, described valve gap 20 can be: comprise perisporium, described perisporium can comprise part cone wall, described perisporium has lower end mouth and upper end-hole, described lower end mouth attaching valve body 10, and diaphragm is between lower end mouth and mount inlet periphery; Also set firmly a connecting seat 21 in described perisporium, described connecting base 21 is such as fixed in perisporium inwall by some spokes makes connecting base 21 be installed in perisporium; Best described perisporium is turret wall, and described connecting base 21 establishes rotary hole 22, described rotary hole 22 axis and connecting base 21 dead in line.But not as limit, section transmission structure also can expose as required, and valve gap also can adopt other structure.
Among the present embodiment, described valve rod sets firmly briquetting 41 40 times, and described briquetting 41 end face is set to spherical interior surface, the recessed shrinkage pool 411 in center of the spherical interior surface of described briquetting 41, and described shrinkage pool 411 bottom center establishes penetration hole 412; Described valve rod 40 lower end adaptation is inserted in penetration hole 412, separately establishes lock pin 42 through briquetting 41 and valve rod 40, they to be fixed together.The boss 31 of the adaptive shrinkage pool 411 of described diaphragm 30 center projection, described boss 31 adaptation is in shrinkage pool 411, and the another screw 413 that arranges passes diaphragm 30 from bottom to top and is screwed onto valve rod 40 bottom.Because briquetting 41 end face is set to spherical interior surface, diaphragm of therefore fitting, then advance or to inside contract stability high, and diaphragm deformation dynamics is reliable and stable.
Described drive unit 50 comprises pneumatic motor 51 and lining 52, described pneumatic motor 51 has pto＝power take-off 511, described lining 51 can rotate relative to valve gap 10, described pto＝power take-off 511 lining 52 that is in transmission connection rotates to drive lining 52, internal thread established by described lining 52, have at least one section to establish outside thread in described valve rod 40, described lining 52 is spirally connected valve rod 40, then slided by pto＝power take-off rotational band ovable valve stem 40.
Among the present embodiment, described lining 52 is rotatably connected in the rotary hole 22 of connecting base 21, connection between described lining 52 and valve gap such as adopts following structure: the outer projection bulge loop 521 of described lining 52, described lining 52 can rotate the connecting base 21 through valve gap 20 from bottom to top, described bulge loop 521 contact is in the bottom surface of the connecting base 21 of valve gap 20, separately establish snap ring 53 clamping lining 521 and be supported by the end face of the connecting base 21 at valve gap 20, with this positioning adapter 521 and connecting base, can rotate relative to connecting base to make lining.
Among the present embodiment, polygonal section 522 is established at described lining 52 top, such as positive shape changeable; Separately establish intermediate gear 54, described intermediate gear 54 adaptation is socketed in outside the polygonal section 522 of lining 52, and described pto＝power take-off 511 to be in transmission connection intermediate gear 54 by reducing gear 55.
Described pneumatic motor 51 comprises rotor 512, cylinder body 513, the gentle press mechanism of impeller assembly 514.
The coaxial affixed pto＝power take-off 511 of described rotor 512 and establish radial groove, among the present embodiment, described radial groove comprises the middle slot 5122 that two and half grooves 5121 and connect two halves groove.
Described cylinder body 513 has inner chamber, surrounds the contact wall 5131 of inner chamber, described contact wall 5131 is provided with suction port 5132 and air outlet 5133, described rotor 512 pivot joint cylinder body 513 and be positioned at inner chamber, described contact wall 5131 be projected as non-circular smoothed curve along rotor 512 pivot joint axis, all through rotor 512 pivot joint axis and two ends be all connected to the line segment S of smoothed curve permanent equal be all d.In one preferred version, described contact wall 5131 and rotor 512 along in the projection of rotor 512 pivot joint axis, described rotor 512 periphery contacts with smoothed curve and this contacting point is tangent.Best, described suction port and air outlet symmetry are positioned at this tangent both sides.Described cylinder body 513 is fixed in the upper end-hole of valve gap.
Described impeller assembly 514 comprises two relatively affixed blade 5141 and solid bars 5142, and described solid bar 5142 is fixed between two blades 5141, and the spacing away from edge of described two blades 5141 equals above-mentioned line segment S length d.Described impeller assembly 514 be slidably connected radial groove and two blades 5141 respectively correspondence be positioned at pivot joint axis both sides, described two blades 5141 are all tightly connected radial groove.Among the present embodiment, sliding half groove 5121 of described blade 5141, described solid bar 5142 slips middle slot 5122.All being contacted with away from edge of described two blades 5141 contacts wall 5131, and make inner chamber be divided into induction part 515 and outlet gas part 516 by two blades, induction part 515 connected by described suction port 5132, and described outlet gas part 516 connects air outlet 5133.As required, also can establish regulating block between solid bar and blade, the spacing of two blades can be finely tuned by regulating block, ensure blade and contact wall contact.
Described air pressure mechanism, connects suction port 5132 and air outlet 5133.Among the present embodiment, for an impeller assembly and a radial groove, but not as limit, as required, the radial groove of multiple impeller assembly and coupling also can be set.
In one preferred version, described cylinder body 513 comprises upper end cap 5134, lower end cap 5135, perisporium 5136 and side cover 5137, described upper end cap 5134 and lower end cap 5135 affixed perisporium about 5136 two ends respectively, described suction port 5132 and air outlet 5133 are located at perisporium 5136, and described perisporium 5136 inwall is above-mentioned contact wall 5131.Described side cover 5137 establishes two impenetrating mouths, the affixed perisporium 5136 of described side cover 5137 and two impenetrating mouths connect suction port 5132 and air outlet 5133 respectively.Best, described rotor 512 is connected to upper end cap and lower end cap by bearing, and described bearing such as adopts self oiling bearing, then cost is lower; The sealing of rotor and upper and lower end cap adopts rotor seal pad 5123, and its material is as being Furtulon, and sealing effect is better.
In one preferred version, establish runner sealing bar 5143 between described blade 5141 and half groove 5121, make sealing effect better.
In one preferred version, the through hole that described perisporium 5136 runs through inside and outside also establishing, described through hole is between suction port 5132 and air outlet 5133, and fricting strip 5138 is established in described through hole; Establish sealing gasket 5139 between described side cover 5137 and perisporium 5136, described fricting strip 5138 contacts sealing gasket 5139, described rotor 512 contact friction bar 5138.
Among the present embodiment, when air pressure mechanism is by inlet charge, outlet gas part is given vent to anger, the air pressure of induction part is greater than the air pressure of outlet gas part, promotes blade movable, makes blade not only radial groove slip relatively, but also relatively rotate, rotor about axis postive direction is rotated; When air pressure, mechanism is given vent to anger by suction port, outlet gas part air inlet, and the air pressure of outlet gas part is greater than the air pressure of induction part, promotes blade movable, makes blade not only radial groove slip relatively, but also relatively rotates, rotor about axis negative direction is rotated; Drive intermediate gear to rotate during pto＝power take-off running, drive lining to rotate, valve rod is moved up or down, thus drive diaphragm briquetting to move up or down, thus make diaphragm be close to protuberance or pine from protuberance, thus realize unlatching or the closing function of valve, or, adjust flux.
Disappear if source of the gas is abnormal, membrane valve can operate in a manual fashion with inner hexagon spanner.
As required, separately establish enclosing cover 60, outer housing connects pneumatic motor and attaching valve gap.
The above, be only present pre-ferred embodiments, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (9)
1. pneumatic motor membrane valve, comprise valve body, valve gap, diaphragm, valve rod and drive unit, described valve gap is installed in valve body, described diaphragm is connected to valve body and valve cover chamber, described valve rod can relatively slide and connect diaphragm by valve gap, it is characterized in that: described drive unit comprises pneumatic motor and lining, described pneumatic motor has pto＝power take-off, described lining can rotate relative to valve gap, described pto connecting bushing rotates to drive lining, internal thread established by described lining, and described valve rod establishes outside thread, and described lining is spirally connected valve rod.
2. pneumatic motor membrane valve according to claim 1, is characterized in that: described pneumatic motor comprises:
Rotor, coaxial affixed pto＝power take-off and establish radial groove;
Cylinder body, there is inner chamber, comprise the contact wall of inner chamber, suction port and air outlet, described rotor pivot cylinder body and be positioned at inner chamber, described contact wall be projected as non-circular smoothed curve along rotor pivot axis, all through rotor pivot axis and the two ends line segment perseverance that is all connected to smoothed curve is equal;
Impeller assembly, comprise two relatively affixed blades, the spacing away from edge of described two blades equals above-mentioned line segment length, described impeller assembly be slidably connected radial groove and two blades respectively correspondence be positioned at pivot joint axis both sides, described two blades be all contacted with contact wall away from edge, make inner chamber be divided into induction part and outlet gas part by two blades, induction part connected by described suction port, and described outlet gas part connects air outlet; And
Air pressure mechanism, connects suction port and air outlet.
3. pneumatic motor membrane valve according to claim 2, is characterized in that: described impeller assembly also comprises a solid bar, and described solid bar is fixed between two blades.
4. pneumatic motor membrane valve according to claim 2, is characterized in that: described two blades are all tightly connected radial groove.
5. pneumatic motor membrane valve according to claim 2, is characterized in that: described contact wall and rotor along in the projection of rotor pivot axis, described rotor peripheries contacts with smoothed curve and this contacting point is tangent.
6. pneumatic motor membrane valve according to claim 2, it is characterized in that: described cylinder body comprises upper end cap, lower end cap, perisporium and side cover, described upper end cap and the lower end cap upper and lower two ends of affixed perisporium respectively, described suction port and air outlet are located at perisporium, described side cover establishes two impenetrating mouths, the affixed perisporium of described side cover and two impenetrating mouths connect suction port and air outlet respectively.
7. pneumatic motor membrane valve according to claim 6, is characterized in that: the through hole that described perisporium runs through inside and outside also establishing, described through hole is between suction port and air outlet, and fricting strip is established in described through hole; Sealing gasket is established, described fricting strip contact sealing gasket, described rotor contact fricting strip between described side cover and perisporium.
8. pneumatic motor membrane valve according to claim 6, is characterized in that: described rotor is connected to upper end cap and lower end cap by bearing.
9. the pneumatic motor membrane valve according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, is characterized in that:
The outer projection bulge loop of described lining, described lining can rotate from bottom to top through valve gap, and described bulge loop contact, at valve gap, is separately established snap ring clamping lining and is supported by end face, coordinates positioning adapter by bulge loop and snap ring;
Polygonal section is established at described lining top; Separately establish intermediate gear, described intermediate gear adaptation is socketed in outside the polygonal section of lining, and described pto＝power take-off to be in transmission connection intermediate gear by reducing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456674.8A CN104514912B (en) | 2013-09-29 | 2013-09-29 | Air motor diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456674.8A CN104514912B (en) | 2013-09-29 | 2013-09-29 | Air motor diaphragm valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514912A true CN104514912A (en) | 2015-04-15 |
| CN104514912B CN104514912B (en) | 2017-06-06 |
Family
ID=52790623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310456674.8A Expired - Fee Related CN104514912B (en) | 2013-09-29 | 2013-09-29 | Air motor diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104514912B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248889A (en) * | 2017-02-03 | 2019-09-17 | Sig技术股份公司 | By device and method of liquid the or flowable Contents Fill into package |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4026669C1 (en) * | 1990-08-23 | 1992-02-20 | Alcatel Hochvakuumtechnik Gmbh, 6980 Wertheim, De | Mechanical vacuum pump - has cylindrical bore in housing with parallel inlet and outlet lines and rotor with spring-loaded vanes |
| JPH05122890A (en) * | 1991-10-29 | 1993-05-18 | Nippon Parusumootaa Kk | Output shaft seal type direct-acting actuator |
| CN2212081Y (en) * | 1994-12-12 | 1995-11-08 | 廖建林 | Blade push-out mechanism of blade type pneumatic motor |
| CN1319735A (en) * | 2000-03-31 | 2001-10-31 | 东洋不锈钢工业株式会社 | Diaphragm valve |
| JP2003083466A (en) * | 2001-09-11 | 2003-03-19 | Ckd Corp | Flow rate control valve |
| CN201502743U (en) * | 2009-09-21 | 2010-06-09 | 倪商伟 | Portable diaphragm valve |
| CN202612707U (en) * | 2012-05-22 | 2012-12-19 | 厦门三登塑胶工业有限公司 | Diaphragm valve |
| CN203516935U (en) * | 2013-09-29 | 2014-04-02 | 厦门三登塑胶工业有限公司 | Pneumatic motor diaphragm valve |
-
2013
- 2013-09-29 CN CN201310456674.8A patent/CN104514912B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4026669C1 (en) * | 1990-08-23 | 1992-02-20 | Alcatel Hochvakuumtechnik Gmbh, 6980 Wertheim, De | Mechanical vacuum pump - has cylindrical bore in housing with parallel inlet and outlet lines and rotor with spring-loaded vanes |
| JPH05122890A (en) * | 1991-10-29 | 1993-05-18 | Nippon Parusumootaa Kk | Output shaft seal type direct-acting actuator |
| CN2212081Y (en) * | 1994-12-12 | 1995-11-08 | 廖建林 | Blade push-out mechanism of blade type pneumatic motor |
| CN1319735A (en) * | 2000-03-31 | 2001-10-31 | 东洋不锈钢工业株式会社 | Diaphragm valve |
| JP2003083466A (en) * | 2001-09-11 | 2003-03-19 | Ckd Corp | Flow rate control valve |
| CN201502743U (en) * | 2009-09-21 | 2010-06-09 | 倪商伟 | Portable diaphragm valve |
| CN202612707U (en) * | 2012-05-22 | 2012-12-19 | 厦门三登塑胶工业有限公司 | Diaphragm valve |
| CN203516935U (en) * | 2013-09-29 | 2014-04-02 | 厦门三登塑胶工业有限公司 | Pneumatic motor diaphragm valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248889A (en) * | 2017-02-03 | 2019-09-17 | Sig技术股份公司 | By device and method of liquid the or flowable Contents Fill into package |
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| Publication number | Publication date |
|---|---|
| CN104514912B (en) | 2017-06-06 |
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