CN104514912B - Air motor diaphragm valve - Google Patents
Air motor diaphragm valve Download PDFInfo
- Publication number
- CN104514912B CN104514912B CN201310456674.8A CN201310456674A CN104514912B CN 104514912 B CN104514912 B CN 104514912B CN 201310456674 A CN201310456674 A CN 201310456674A CN 104514912 B CN104514912 B CN 104514912B
- Authority
- CN
- China
- Prior art keywords
- bushing
- valve
- air motor
- diaphragm
- bonnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241000734468 Listera Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of air motor diaphragm valve, including valve body, bonnet, diaphragm, valve rod and drive device, the bonnet is installed in valve body, the diaphragm is connected to valve body and valve cover chamber, the valve rod bonnet can be slided and connection diaphragm relatively, the drive device includes air motor and bushing, the air motor has power output shaft, the bushing can be rotated relative to bonnet, the pto connecting bushing is driving bushing to rotate, the bushing sets internal thread, and the valve rod sets external screw thread, and the bushing is spirally connected valve rod.It has the following advantages that：Using air motor as driver part, realize the unlatching of diaphragm valve, close or and flow regulating function, and small volume is safe and reliable, also can normal operating even if air pressure is relatively low；Screw-driven has auto-lock function, even if source of the gas occurs exception, diaphragm valve can also keep original state；Diaphragm valve can realize that valve opening is arbitrarily adjustable.
Description
Technical field
The present invention relates to a kind of air motor diaphragm valve.
Background technology
Current " pneumatic diaphragm valve " on the market, including valve body, bonnet, diaphragm, valve rod and drive device, the bonnet dress
Valve body is connected on, the diaphragm is connected to valve body and valve cover chamber, and the valve rod can relative bonnet slip and connection diaphragm, the driving
Device uses cylinder, and the piston and valve rod of the cylinder are affixed, by cylinder drive valve stem slides realize the unlatching of diaphragm valve with
Closing function.Had as a drawback that using the product of this kind of scheme：
1st, because the piston cross-section of cylinder is big so that whole pneumatic diaphragm valve volume is big.
2nd, when source of the gas exception, when air pressure diminishes or disappears, this kind of pneumatic diaphragm valve can be changed into suddenly closing from opening
State is changed into opening from closed mode, production unit is caused dangerous or loss.
3rd, only there are standard-sized sheet and fully closed two states, is difficult to realize that valve opening size is adjustable.
4th, when air pressure disappears, " pneumatic diaphragm valve " cannot manually be controlled.
5th, due to cylinder for linear motion, valve switch can only be open soon, quick closing valve, so as to easily cause the water hammer of whole pipeline
, there is potential safety hazard in impact.
The content of the invention
The invention provides air motor diaphragm valve, the deficiency existing for pneumatic diaphragm valve in background technology is which overcomed.
The present invention solve its technical problem the technical scheme for being used be：
Air motor diaphragm valve, including valve body, bonnet, diaphragm, valve rod and drive device, the bonnet are installed in valve body,
The diaphragm is connected to valve body and valve cover chamber, and the valve rod bonnet can be slided and connection diaphragm relatively, and the drive device includes
Air motor and bushing, the air motor have power output shaft, and the bushing can be rotated relative to bonnet, the power output
Axle is connected bushing to drive bushing to rotate, and the bushing sets internal thread, and the valve rod sets external screw thread, and the bushing is spirally connected valve
Bar.
Among one embodiment, the air motor includes：
Rotor, coaxial affixed power output shaft and sets radial groove；
Cylinder body, with inner chamber, the contact wall for surrounding the inner chamber, air inlet and gas outlet, the rotor pivot cylinder body and
In inner chamber, the non-circular smooth curve that is projected as along rotor pivot axis of the contact wall is all through rotor pivot axle
The line segment perseverance that line and two ends are both connected to smooth curve is equal；
Blading, including two relatively affixed blades, the spacing away from edge of two blade are equal to above-mentioned line
Segment length, be slidably connected radial groove and two blades of the blading correspond to be located at pivot joint axis both sides, two leaf respectively
Piece is contacted with contact wall away from edge, by two blades inner chamber is divided into induction part and outlet gas part, the air inlet
Mouth connects induction part, and the outlet gas part connects gas outlet；And
Air pressure mechanism, connects air inlet and gas outlet.
Among one embodiment, between the blading also includes that a solid bar, the solid bar are fixed in two blades.
Among one embodiment, two blade is tightly connected radial groove.
Among one embodiment, it is described contact wall and rotor the projection along rotor pivot axis in, the rotor peripheries and
Smooth curve is contacted and the contact position is tangent.
Among one embodiment, the cylinder body includes upper end cover, bottom end cover, perisporium and side cover, the upper end cover and bottom end cover
Perisporium upper and lower ends are respectively and fixedly connected with, the air inlet and gas outlet are located at perisporium, and the side cover sets two impenetrating mouths, and the side cover is consolidated
Connect perisporium and two impenetrating mouths are respectively turned on air inlet and gas outlet.
Among one embodiment, the perisporium also sets the inside and outside through hole for running through, the through hole be located at air inlet and gas outlet it
Between, the through hole sets fricting strip；Sealing gasket is set between the side cover and perisporium, the fricting strip contacts sealing gasket, the rotor
Contact fricting strip.
Among one embodiment, the rotor is connected to upper end cover and bottom end cover by bearing.
Among one embodiment, the outer projection bulge loop of the bushing, the bushing can turn through bonnet from bottom to top, described convex
Ring contact separately sets snap ring clamping bushing and is supported by top surface in bonnet, and positioning bushing is coordinated by bulge loop and snap ring；
The bushing top sets polygon section；Another to set idler gear, the idler gear adaptation is socketed in the polygon of bushing
Shape section is outer, and the power output shaft is connected idler gear by reducing gear.
Compared with background technology, it has the following advantages that the technical program：
Using air motor as driver part, realize the unlatching of diaphragm valve, close or and flow regulating function, then can be real
Existing following advantage：A, same size product are compared, safe and reliable with moment of torsion is big, small volume, also can be normal even if air pressure is relatively low
Operation；B, screw-driven have auto-lock function, even if source of the gas occurs exception, pneumatic diaphragm valve of the invention can also keep original
State, without diaphragm valve abnormal start-up occurs or phenomenon is closed, so as to avoid the loss of production unit；What c, diaphragm valve were produced
Torsion is big, even if air pressure also can normal operating in normal half or so；D, diaphragm valve can realize that valve opening is arbitrarily adjustable；e、
Using air motor, due to being rotary motion, screw drive valve switch is used, therefore, it can switch at a slow speed, so that pipeline stream
Running body is steady.
Air motor uses twayblade, makes motor configuration simpler, easy processing.
The non-circular smooth curve that is projected as along rotor pivot axis of wall is contacted, it is all through rotor pivot axis and two ends
The line segment perseverance for being both connected to smooth curve is equal, and the spacing away from edge of two blades is equal to above-mentioned line segment length, two blades
Contact wall is contacted with away from edge, when twayblade is rotated with rotor, double air blade relative distances do not change and are close to
Inboard wall of cylinder block, (traditional, pneumatic motor cylinder inwall is circular, to enable air blade to eliminate the spring leaf of traditional, pneumatic motor
It is close to inboard wall of cylinder block, employs chip architecture of the spring), and because the elastic force effect without spring leaf so that in blade and cylinder body
The friction of wall is smaller, makes air blade more robust.
In the projection along rotor pivot axis of contact wall and rotor, rotor peripheries and smooth curve are contacted and the contact position
Tangent, small volume is rotated smooth.
Perisporium also sets the inside and outside through hole for running through, and through hole is located between air inlet and gas outlet, and through hole sets fricting strip；Side cover
Sealing gasket is set and between perisporium, fricting strip contact sealing gasket, rotor contact fricting strip is rotated smooth.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 depicts the schematic perspective view of the air motor diaphragm valve of a preferred embodiment.
Fig. 2 depicts the perspective exploded view of the air motor diaphragm valve of a preferred embodiment.
Fig. 3 depicts one of generalized section of air motor diaphragm valve of a preferred embodiment, is now in open shape
State.
Fig. 4 depicts the two of the generalized section of the air motor diaphragm valve of a preferred embodiment, is now in closing shape
State.
Fig. 5 depicts the perspective exploded view of the air motor of the air motor diaphragm valve of a preferred embodiment.
Fig. 6 depicts the schematic perspective view of the air motor of the air motor diaphragm valve of a preferred embodiment.
Fig. 7 depicts the schematic top plan view of the air motor of the air motor diaphragm valve of a preferred embodiment.
Fig. 8 depicts the schematic rear view of the air motor of the air motor diaphragm valve of a preferred embodiment.
Fig. 9 depicts the schematic front view of the air motor of the air motor diaphragm valve of a preferred embodiment.
Figure 10 depicts the elevational schematic view of the air motor of the air motor diaphragm valve of a preferred embodiment.
Figure 11 depicts the B-B profiles of Fig. 9.
Figure 12 depicts the C-C profiles of Fig. 8.
Figure 13 depicts the D-D profiles of Fig. 8.
Specific embodiment
Refer to Fig. 1 to Figure 13, air motor diaphragm valve, including valve body 10, bonnet 20, diaphragm 30, valve rod 40 and driving
Device 50, the bonnet 20 is installed in valve body 10, and the diaphragm 30 is connected between valve body 10 and bonnet 20, and the valve rod 40 can phase
Diaphragm 30 is slided and connected to bonnet 20, and the drive device 50 is connected valve rod 40 and slided with respect to bonnet 20 with band ovable valve stem 40,
Opened or closed with the deformation realization of band dynamic diaphragm 30 or diaphragm valve flow is controlled.
Among the present embodiment, the valve body 10 includes the outlet 12 of an import 11, one and an installing port 13, the valve body 10
Convex portion 14 is set between import 11 and outlet 12, the installing port 13 is between inlet and outlet 12 and correspondence convex portion 14；The bonnet
20 can be installed on valve body 10, the diaphragm 30 between valve body 10 and bonnet 20, by between valve body 10 and bonnet 20
The periphery of diaphragm 30 is fixed in attaching, the periphery of the diaphragm 30 is sealed the periphery of installing port 13, then can be deformed by diaphragm 30 makes diaphragm
30 convex portions in sealing contact 14 so that diaphragm valve is closed, can by diaphragm 30 away from convex portion 14 so that diaphragm valve is in beats
Open state, and away from the distance then diaphragm valve flow such as not.The valve body 10, bonnet 20 and the structure of diaphragm 30 are as using existing
The structure of technology, but in order to section transmission structure is installed in bonnet 20, make outward appearance more attractive in appearance, the bonnet 20 can be：
Including perisporium, the perisporium may include that wall is bored in part, and the perisporium has lower port and upper port, the lower port attaching valve body
10, diaphragm is between lower port and installing port periphery；Also fixed a connecting seat 21 in the perisporium, the connecting seat 21 for example passes through
Some spokes are fixed in perisporium inwall makes connecting seat 21 be installed in perisporium；The best perisporium is turret wall, the connecting seat
21 set rotary hole 22, and the axis of the rotary hole 22 and the axis of connecting seat 21 overlap.But it is not limited thereto, part passes as needed
Dynamic structure can also expose, and bonnet can also use other structures.
Among the present embodiment, fixed briquetting 41 under the valve rod 40, the end face of the briquetting 41 is set to spherical interior surface, the briquetting
The recessed shrinkage pool 411 in center of 41 spherical interior surface, the bottom center of the shrinkage pool 411 sets through hole 412；Fit the lower end of the valve rod 40
With being inserted through in hole 412, lock pin 42 through briquetting 41 and valve rod 40 is separately set, they are fixed together.The diaphragm 30
Center projection is adapted to the boss 31 of shrinkage pool 411, and the boss 31 is adapted in shrinkage pool 411, another to arrange screw 413 from bottom to top
Through diaphragm 30 and it is screwed onto the bottom of valve rod 40.Because the end face of briquetting 41 is set to spherical interior surface, therefore the diaphragm that can fit, then propulsion or
Inside contract stability high, diaphragm deformation dynamics is reliable and stable.
The drive device 50 includes air motor 51 and bushing 52, and the air motor 51 has power output shaft 511,
The bushing 51 can be rotated relative to bonnet 10, and the power output shaft 511 is connected bushing 52 to drive bushing 52 to rotate, institute
State bushing 52 and set internal thread, at least one section sets external screw thread in the valve rod 40, the bushing 52 is spirally connected valve rod 40, then by dynamic
Power output shaft is rotated can be slided with ovable valve stem 40.
Among the present embodiment, the bushing 52 is rotatably connected in the rotary hole 22 of connecting seat 21, the bushing 52 and valve
Connection between lid is for example with following structure：The outer projection bulge loop 521 of the bushing 52, the bushing 52 can be rotated from bottom to top
Through the connecting seat 21 of bonnet 20, the contact of the bulge loop 521 separately sets the clamping of snap ring 53 lining in the bottom surface of the connecting seat 21 of bonnet 20
Set 521 and the top surface of connecting seat 21 in bonnet 20 is supported by, bushing 521 and connecting seat is positioned with this, so that bushing relative can connect
Joint chair is rotated.
Among the present embodiment, the top of the bushing 52 sets polygon section 522, such as positive shape changeable；Idler gear 54 separately is set,
The adaptation of the idler gear 54 is socketed in outside the polygon of bushing 52 section 522, and the power output shaft 511 passes through reducing gear 55
Drive connection idler gear 54.
The air motor 51 includes rotor 512, cylinder body 513, the gentle press mechanism of blading 514.
The coaxial affixed power output shaft 511 of the rotor 512 and radial groove is set, among the present embodiment, the radial direction is slided
Groove includes that two and half grooves 5121 connect the bracket groove 5122 of two halves groove with one.
The cylinder body 513 has inner chamber, surrounds the contact wall 5131 of inner chamber, and the contact wall 5131 is provided with air inlet 5132
It is described to contact being pivotally connected along rotor 512 for wall 5131 with gas outlet 5133, the pivot joint cylinder body 513 of the rotor 512 and in inner chamber
Axis is projected as non-circular smooth curve, all through rotor 512 to be pivotally connected axis and two ends are both connected to the line segment S of smooth curve
It is all d that perseverance is equal.In one preferred scheme, in the projection along the pivot joint axis of rotor 512 of the contact wall 5131 and rotor 512,
The periphery of the rotor 512 and smooth curve contact and the contact position is tangent.Preferably, the air inlet and gas outlet are symmetrically positioned in this
Tangent both sides.The cylinder body 513 is fixed in the upper port of bonnet.
The blading 514 includes relatively affixed two blades 5141 and a solid bar 5142, and the solid bar 5142 is affixed
Between two blades 5141, the spacing away from edge of two blade 5141 is equal to above-mentioned line segment S length d.The blade dress
Put 514 be slidably connected radial groove and two blades 5141 to correspond to be located at pivot joint axis both sides respectively, two blade 5141 is close
Envelope connection radial groove.Among the present embodiment, the blade 5141 slips half groove 5121, and the solid bar 5142 slips bracket groove
5122.Being contacted with away from edge for two blade 5141 contacts wall 5131, inner chamber is divided into intake section by two blades
Divide 515 and outlet gas part 516, the air inlet 5132 connects induction part 515, and the outlet gas part 516 connects gas outlet
5133.As needed, also regulating block can be set between solid bar and blade, the spacing of two blades can be finely tuned by regulating block, it is ensured that leaf
Piece and contact wall contact.
The air pressure mechanism, connects air inlet 5132 and gas outlet 5133.Among the present embodiment, with a blading and
As a example by one radial groove, but it is not limited thereto, as needed, the radial direction that multiple blading and matching also can be set is slided
Groove.
In one preferred scheme, the cylinder body 513 includes upper end cover 5134, bottom end cover 5135, perisporium 5136 and side cover 5137,
The upper end cover 5134 and bottom end cover 5135 are respectively and fixedly connected with the upper and lower ends of perisporium 5136, the air inlet 5132 and gas outlet 5133
Perisporium 5136 is located at, the inwall of the perisporium 5136 is above-mentioned contact wall 5131.The side cover 5137 sets two impenetrating mouths, the side
The affixed perisporium 5136 of lid 5137 and two impenetrating mouths are respectively turned on air inlet 5132 and gas outlet 5133.Preferably, the rotor 512 leads to
Cross bearing and be connected to upper end cover and bottom end cover, for example with self-lubricating bearing, then cost is lower for the bearing；Rotor with it is upper and lower
The sealing of end cap uses rotor seal pad 5123, and its material is such as Teflon, and sealing effectiveness is more preferable.
In one preferred scheme, runner sealing bar 5143 is set between the groove 5121 of the blade 5141 and half, make sealing effectiveness more preferable.
In one preferred scheme, the perisporium 5136 also sets the inside and outside through hole for running through, and the through hole is located at the He of air inlet 5132
Between gas outlet 5133, the through hole sets fricting strip 5138；Sealing gasket 5139, institute are set between the side cover 5137 and perisporium 5136
State the contact sealing gasket 5139 of fricting strip 5138, the contact fricting strip 5138 of the rotor 512.
Among the present embodiment, when air pressure mechanism is by inlet charge, outlet gas part outlet, the air pressure of induction part is more than
The air pressure of outlet gas part, promotes blade activity, makes blade not only relatively radially slide, but also relatively rotates, and makes rotor
Rotated around axis positive direction；When air pressure mechanism is by air inlet outlet, outlet gas part air inlet, the air pressure of outlet gas part is more than air inlet
Partial air pressure, promotes blade activity, makes blade not only relatively radially slide, but also relatively rotates, and makes rotor around axle
Line negative direction is rotated；Drive idler gear to rotate when power output shaft is operated, drive bushing to rotate, valve rod is transported up or down
It is dynamic, so that drive diaphragm briquetting to be moved upwardly or downwardly, so that diaphragm is close to convex portion or pine from convex portion, so as to realize valve
Be turned on and off function, or, regulation flow.
If source of the gas abnormal disappearance, diaphragm valve can in a manual fashion be operated with inner hexagon spanner.
As needed, enclosing cover 60 is separately set, outer housing connects air motor and attaching bonnet.
The above, only present pre-ferred embodiments, therefore can not according to this limit the scope of present invention implementation, i.e., according to
Equivalence changes that the scope of the claims of the present invention and description are made and modification, all should still belong in the range of the present invention covers.
Claims (8)
1. air motor diaphragm valve, including valve body, bonnet, diaphragm, valve rod and drive device, the bonnet are installed in valve body, institute
State diaphragm and be connected to valve body and valve cover chamber, the valve rod bonnet can be slided and connection diaphragm relatively, it is characterised in that：The driving
Device includes air motor and bushing, and the air motor has power output shaft, and the bushing can be rotated relative to bonnet, described
To drive bushing to rotate, the bushing sets internal thread to pto connecting bushing, and the valve rod sets external screw thread, the lining
Cover the valve rod that is spirally connected；
The air motor includes：
Rotor, coaxial affixed power output shaft and sets radial groove；
Cylinder body, with inner chamber, the contact wall for surrounding the inner chamber, air inlet and gas outlet, the rotor pivot cylinder body and is located at
In inner chamber, the non-circular smooth curve that is projected as along rotor pivot axis of the contact wall, it is all through rotor pivot axis and
The line segment perseverance that two ends are both connected to smooth curve is equal；
Blading, including two relatively affixed blades, the spacing away from edge of two blade are equal to above-mentioned length along path
Degree, be slidably connected radial groove and two blades of the blading correspond to be located at pivot joint axis both sides respectively, two blade
Contact wall is contacted with away from edge, inner chamber is divided into induction part and outlet gas part by two blades, the air inlet connects
Logical induction part, the outlet gas part connects gas outlet；And
Air pressure mechanism, connects air inlet and gas outlet.
2. air motor diaphragm valve according to claim 1, it is characterised in that：The blading also includes a solid bar,
Between the solid bar is fixed in two blades.
3. air motor diaphragm valve according to claim 1, it is characterised in that：Two blade is tightly connected radially sliding
Groove.
4. air motor diaphragm valve according to claim 1, it is characterised in that：It is described contact wall and rotor along rotor pivot
In the projection of spindle line, the rotor peripheries and smooth curve contact and the contact position is tangent.
5. air motor diaphragm valve according to claim 1, it is characterised in that：The cylinder body include upper end cover, bottom end cover,
Perisporium and side cover, the upper end cover and bottom end cover are respectively and fixedly connected with perisporium upper and lower ends, and the air inlet and gas outlet are located at perisporium,
The side cover sets two impenetrating mouths, the affixed perisporium of side cover and two impenetrating mouths are respectively turned on air inlet and gas outlet, the perisporium
Inwall is above-mentioned contact wall.
6. air motor diaphragm valve according to claim 5, it is characterised in that：The perisporium also set it is inside and outside run through it is logical
Hole, the through hole is located between air inlet and gas outlet, and the through hole sets fricting strip；Sealing is set between the side cover and perisporium
Pad, the fricting strip contacts sealing gasket, the rotor contact fricting strip.
7. air motor diaphragm valve according to claim 5, it is characterised in that：The rotor is connected to upper end by bearing
Lid and bottom end cover.
8. the air motor diaphragm valve according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, it is characterised in that：
The outer projection bulge loop of the bushing, the bushing can turn through bonnet from bottom to top, and the bulge loop contact separately sets in bonnet
Snap ring clamping bushing and it is supported by top surface, positioning bushing is coordinated by bulge loop and snap ring；
The bushing top sets polygon section；Another to set idler gear, the idler gear adaptation is socketed in the polygon section of bushing
Outward, the power output shaft is connected idler 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 CN104514912A (en) | 2015-04-15 |
| CN104514912B true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017000970A1 (en) * | 2017-02-03 | 2018-08-09 | Sig Technology Ag | Apparatus and method for filling liquid or flowable contents in packaging |
| CN119353436B (en) * | 2024-10-18 | 2025-04-11 | 氟微(上海)新材料有限公司 | Stainless steel fluorine-lined diaphragm valve |
| CN119665002A (en) * | 2025-02-17 | 2025-03-21 | 宁波新鑫石化机械设备制造有限公司 | A gear type pneumatic motor actuator |
Family Cites Families (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 |
| JP3332397B2 (en) * | 1991-10-29 | 2002-10-07 | 日本パルスモーター株式会社 | Output shaft sealed linear motion actuator |
| CN2212081Y (en) * | 1994-12-12 | 1995-11-08 | 廖建林 | Blade push-out mechanism of blade type pneumatic motor |
| US6508266B2 (en) * | 2000-03-31 | 2003-01-21 | Toyo Stainless Steel Industries Co., Ltd. | Diaphragm valve |
| JP4426136B2 (en) * | 2001-09-11 | 2010-03-03 | シーケーディ株式会社 | Flow 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
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| Publication number | Publication date |
|---|---|
| CN104514912A (en) | 2015-04-15 |
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