CN109707880A - Check-valves and aerostatics - Google Patents
Check-valves and aerostatics Download PDFInfo
- Publication number
- CN109707880A CN109707880A CN201711013413.3A CN201711013413A CN109707880A CN 109707880 A CN109707880 A CN 109707880A CN 201711013413 A CN201711013413 A CN 201711013413A CN 109707880 A CN109707880 A CN 109707880A
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- Prior art keywords
- lappet
- valve body
- check
- opening
- valves
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- 238000007789 sealing Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229920006169 Perfluoroelastomer Polymers 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
The present invention provides a kind of check-valves, the drain tap for aerostatics, comprising: valve body, valve body is arranged on drain tap and valve body has opening, and opening has a central axis；Multiple lappets, multiple lappets are pivotally connected with valve body, and the shaft of multiple lappets is set in parallel to each other in the plane perpendicular to central axis；Driving device, driving device are connect with lappet, to drive lappet to rotate between the closed position for closing opening and the open position for opening opening；And fixed device, fixed device are arranged on valve body, wherein when lappet is located at closed position, fixed device is contacted with lappet to provide the closing force of the closed opening of lappet；When lappet is located at open position, fixed device clamping lappet is so that lappet is maintained at open position.A kind of aerostatics is also provided.The purpose of the present invention is to provide a kind of raising drain tap air-tightness, realize the check-valves and aerostatics of duplicate protection.
Description
Technical field
The present invention relates to a kind of aerostatics, more particularly to the check-valves of aerostatics drain tap.
Background technique
Aerostatics drain tap includes the valve deck with the valve body and covering valve port able to turn on or off of valve port at present, and valve body passes through
Circumferentially fixed suction and exhaust ports in air bag of the valve body installing mechanism along aerostatics air bag, wherein valve deck is by including headstock gear
Control device can open and close to cover valve port, headstock gear includes: the driving mechanism for connecting valve deck, and driving mechanism is for driving valve
Lid vertical-lifting drives valve deck to vert to and be maintained at predetermined to predetermined altitude and after valve deck is vertically raised to predetermined altitude
Angle；And valve deck resetting-mechanism, it is connect with valve deck and pushes valve deck to reply after driving mechanism stops the driving of valve deck
To covering valve port.The defect of the program is between valve port and valve deck that certain gap can be generated after multiple switching, influences valve
Air-tightness.
Summary of the invention
For problem present in the relevant technologies, the purpose of the present invention is to provide a kind of raising drain tap air-tightness,
Realize the check-valves and aerostatics of duplicate protection.
To achieve the above object, the present invention provides a kind of check-valves, the drain tap for aerostatics, comprising: valve body,
Valve body is arranged on drain tap and valve body has opening, and opening has a central axis；Multiple lappets, multiple lappets
It is pivotally connected with valve body, the shaft of multiple lappets is set in parallel to each other in the plane perpendicular to central axis；Driving dress
It sets, driving device is connect with lappet, to drive lappet in the closed position for closing opening and the open position for opening opening
Between rotate；And fixed device, fixed device are arranged on valve body, wherein when lappet is located at closed position, fixed dress
It sets and is contacted with lappet to provide the closing force of the closed opening of lappet；When lappet is located at open position, fixed device folder
Lappet is held so that lappet is maintained at open position.
According to an embodiment of the invention, fixed device includes multiple magnetic attracting devices, magnetic attracting device is sticked in valve body towards leaf
The side of sheet, and magnetic attracting device interval at the edge join of lappet and opening is arranged, at lappet closed position, magnetic
Device is inhaled to contact with lappet absorption.
According to an embodiment of the invention, the internal perisporium of valve body is convexly equipped with the blocking circle of a ring shape, magnetic dress towards opening
It sets and is sticked on stopping circle, at closed position, lappet is fitted on blocking circle under the adsorption force of magnetic attracting device.
According to an embodiment of the invention, check-valves further includes sealing ring, sealing ring is sticked on stopping circle, and is located at and stops
Between circle and lappet.
According to an embodiment of the invention, fixed device further includes multiple limited posts, the internal perisporium of valve body is being parallel to leaf
Multiple receiving holes are offered on the direction of the shaft of plate, multiple limited posts are telescopically accommodated in multiple receiving holes respectively, when
When lappet is in the closed position, limited post is accommodated in receiving hole, and when lappet is in an open position, limited post, which stretches out, to be held
It receives and hole and emits internal perisporium for valve body, to be clamped in two apparent surfaces of lappet.
According to an embodiment of the invention, lappet includes the first straight flange and the second straight flange being oppositely arranged, and connection first
Two arc sides of straight flange and the second straight flange, the length of the first straight flange are greater than the second straight flange, and multiple arc sides and open edge are coincide.
According to an embodiment of the invention, the both ends of lappet are equipped with flange, two flanges are respectively from the opposite of the first straight flange
Both ends extend to form, and multiple flanges of multiple lappets successively protrude into valve body internal perisporium, make under the drive of the drive multiple
Lappet is relative to valve body pivot in unison.
According to an embodiment of the invention, lappet includes the first lappet and the second lappet being disposed adjacent, closing
When position, the first straight flange of the first lappet overlaps each other with the second straight flange of the second lappet.
According to an embodiment of the invention, the plate face of the first lappet and the second lappet is parallel to each other at open position,
And plate face is vertical with the plane where the shaft of the second lappet with the first lappet.
According to an embodiment of the invention, driving device includes stepper motor, stepper motor is connect to drive leaf with lappet
Daughter board rotation.
According to another embodiment of the invention, a kind of aerostatics is also provided, aerostatics includes filled with buoyance lift gas
Utricule is arranged exhaust outlet on utricule, drain tap is arranged on exhaust outlet, any of the above embodiment is further provided on drain tap
The check-valves.
The beneficial technical effect of the present invention lies in:
The present invention on valve body by being arranged lappet, and when drain tap is closed, driving device drives lappet to close,
When lappet is located at open position, fixed device clamping lappet makes lappet be maintained at open position, to realize exhaust
It maximizes；At closed position, fixed device, which provides closing force, enables lappet is closed to be open, and further seals exhaust valve
Door to prevent gas leakage, and then realizes the air-tightness of duplicate protection valve.
Detailed description of the invention
Fig. 1 is the valve body structure schematic diagram of check-valves according to an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of check-valves according to an embodiment of the present invention, and wherein lappet is in the closed position.
Fig. 3 is the structural schematic diagram of check-valves according to an embodiment of the present invention, and wherein lappet is in an open position.
Fig. 4 is the lappet structural schematic diagram of check-valves according to an embodiment of the present invention.
Specific embodiment
Below with reference to attached drawing, embodiments of the present invention is described in detail.
With reference to Fig. 1 and Fig. 2 and Fig. 3, the present invention provides a kind of check-valves, for the drain tap of aerostatics, including valve
Body 2, multiple lappets 6, driving device 8 and fixed device.
Wherein, valve body 2 is arranged on drain tap and valve body 2 has opening 4, and split shed 4 has central axis.It is more
A lappet 6 is pivotally connected with valve body 2, the shaft of multiple lappets 6 in the plane perpendicular to central axis in parallel to each other
Setting.Driving device 8 is connect with lappet 6, to drive lappet 6 in the closed position for closing opening 4 and open beating for opening 4
It is rotated between open position.That is, driving device 8 can according to need driving lappet 6 in closed position and open position
Between pivot, with open opening 4 or close opening 4.
Fixed device is additionally provided on valve body 2, wherein when lappet 6 is located at closed position, fixed device and lappet
6 contacts are to provide the closing force of the closed opening of lappet 6；When lappet 6 is located at open position, fixed device clamps lappet
6 so that lappet 6 is maintained at open position.At open position, external opening from multiple lappets 6 to valve body 2, in open position
The cross section for setting lappet 6 and valve body 2 forms angle.Preferably, it is formed in open position lappet 6 and the cross section of valve body 2
An angle of 90 degrees realizes the maximization of exhaust.It overlaps each other between closed position, adjacent lappet 6, guarantees air-tightness.
In addition, lappet 6 can be connect by gear with valve body 2, and lappet 6 can by gear relative to valve body 2 at 0 degree
It is pivoted within the scope of to 90 degree.Further, lappet 6 takes high-strength iron alloy to make, and Rustproof high-temperature resisting can bear to be greater than
The pressure difference of 1000KPa atmospheric pressure.
With reference to Fig. 2, according to an embodiment of the invention, fixed device includes multiple magnetic attracting devices 10, magnetic attracting device 10 is sticked
In valve body 2 towards the side of vane plate 6, and the interval at the edge join of lappet 6 and opening 4 of magnetic attracting device 10 is arranged,
When 6 closed position of lappet, magnetic attracting device 10 is contacted with the absorption of lappet 6, and magnetic attracting device 10, which adsorbs lappet 6, makes lappet 6
It is closely maintained on valve body, guarantees the air-tightness of drain tap.Preferably, magnetic attracting device 10 is electromagnet, is calculated with observing and controlling
Mechatronics are to be powered when lappet 6 is closed to adsorb lappet 6.
With reference to Fig. 1, according to an embodiment of the invention, the internal perisporium of valve body 2 is convexly equipped with the blocking of a ring shape towards opening 4
Circle 14, magnetic attracting device 10 is sticked on stopping circle 14, at closed position, adsorption force of the lappet 6 in magnetic attracting device 10
Under be fitted in blocking circle 14 on.
Referring to figs. 2 and 3, according to an embodiment of the invention, check-valves further includes sealing ring 16, sealing ring 16, which is sticked, to be hindered
On retaining ring 14, and it is located at and stops to further enhance the leakproofness of closure between circle 14 and lappet 6.
It should be appreciated that when lappet 6 is in the closed position, lappet 6 under the magneticaction of magnetic attracting device 10 with it is close
Seal 16 is in close contact, and ensures air-tightness.In addition, 16 seal washer made of the perfluoroelastomer of post-cure of sealing ring, resistance to
High temperature, non-aging deformation.Certainly, sealing ring is also possible to other high temperature resistants, and the material of non-aging deformation is made, the present invention
It is without being limited thereto.
Referring to figs. 2 and 3, according to an embodiment of the invention, fixed device further includes multiple limited posts 12, valve body 2 it is interior
Peripheral wall offers multiple receiving holes on the direction of shaft for being parallel to lappet 6, and multiple limited posts 12 are telescopically received respectively
It is contained in multiple receiving holes, when lappet 6 is in the closed position, limited post 12 is accommodated in receiving hole, when lappet 6 is in
When open position, limited post 12 stretches out receiving hole and emits the internal perisporium for valve body 2, opposite with two that are clamped in lappet 6
Surface.
That is, limited post 12 is moved to restraining position (that is, limit when lappet 6 is in an open position
A part of column 12 is maintained in the receiving hole of valve body, and a part is in opening) to clamp lappet 6, so that lappet 6 is kept
In the open position being at an angle of with valve body 2；When lappet 6 is in the closed position, limited post 12 is retracted in receiving hole (also
It is to say, limited post 12 is fully located in valve body 2).Limited post 12 is also electrically connected with Measurement &control computer, is beaten with being in lappet 6
When open position, control limited post 12 stretches out receiving hole to clamp the apparent surface of lappet 6.
It should be appreciated that the both ends of each lappet 6 all have limited post 12 to limit the position of lappet 6.According to this hair
Bright alternative embodiment, there are two the open positions that limited post 12 limits lappet 6 respectively at the both ends of each lappet.Certainly,
In closed position, the position that each lappet 6 is contacted with valve body 2 all has magnetic attracting device 10.Optional implementation according to the present invention
Example, in closed position, the both ends of each lappet 6 and the contact position of valve body 2 are respectively provided with two magnetic attracting devices 10.Limited post
12 and the setting quantity of magnetic attracting device 10 can be depending on particular condition in use, the invention is not limited thereto.Certain magnetic attracting device 10
Setting position be also possible to any position that each lappet 6 is contacted with valve body 2, the invention is not limited thereto.
With reference to Fig. 4, according to an embodiment of the invention, lappet 6 includes the first straight flange 18 and the second straight flange being oppositely arranged
20, and two arc sides 22 of connection the first straight flange 18 and the second straight flange 20, the length of the first straight flange 18 is greater than the second straight flange 20, more
A arc side 22 is coincide with 4 edges of opening.That is, the arc side 22 of each lappet 6 can be formed and be open it is 4 of the same size
Circle.
With reference to Fig. 4, according to an embodiment of the invention, the both ends of lappet 6 are equipped with flange 24, two flanges 24 are respectively from the
The opposite end of one straight flange 18 extends to form, and multiple flanges 24 of multiple lappets 6 successively protrude into 2 internal perisporium of valve body, is driving
Make multiple lappets 6 relative to 2 pivot in unison of valve body under the driving of device 8.Wherein, it should be understood that driving device 8 and each leaf
Daughter board 6 is electrically connected to drive 6 pivot in unison of lappet.
With reference to Fig. 2, according to an embodiment of the invention, lappet 6 includes the first lappet and the second leaf being disposed adjacent
Plate, at closed position, the first straight flange of the first lappet overlaps each other with the second straight flange of the second lappet.Adjacent leaves plate
It is overlapped between 6, enhance the air-tightness of drain tap.
With reference to Fig. 3, according to an embodiment of the invention, at open position, the plate face of the first lappet and the second lappet
It is parallel to each other, and plate face is vertical with the plane where the shaft of the first lappet and the second lappet.That is, in open position
When setting, the plate face and centerline axis parallel of lappet 6 are that is, (flat where the shaft of multiple lappets 6 with the cross section of opening
Face) it is in 90 ° of angles；In closed position, lappet 6 is in in the plane of central axis upright, that is, is located at the cross section of opening
In (plane where the shaft of multiple lappets 6), to guarantee maximum opening space.Certainly, open position lappet 6 with
The angle of valve body 2 is also possible to other angles, can be determined according to particular condition in use, the invention is not limited thereto.
In one alternate embodiment, 10 lappets 6 are equipped with, when valve needs to open, each lappet 6 is to opening
Outer pivot is simultaneously angled with opening；When valve needs to close, each lappet 6 is Chong Die with adjacent lappet, to protect
Demonstrate,prove the air-tightness of valve.
According to an embodiment of the invention, driving device 8 includes stepper motor, stepper motor is connect with lappet 6 to drive
Lappet 6 rotates.That is, stepper motor driving lappet 6 pivots to open or closes opening 4 relative to valve body 2.
In addition, driving device 8 further includes state feedback module, state feedback module is configured to sensing at lappet 6
To Measurement &control computer feedback signal when open position or in the closed position.
According to another embodiment of the invention, a kind of aerostatics is also provided, aerostatics includes filled with buoyance lift gas
Utricule is arranged exhaust outlet on utricule, drain tap is arranged on exhaust outlet, any of the above embodiment is further provided on drain tap
The check-valves.
When drain tap is closed, limited post 12 is moved to initial position, and driving device 8 passes through the circuit control of stepper motor
Lappet 6 processed closes and is close to sealing ring 16, and magnetic attracting device 10 has magnetism at this time, in the magneticaction inferior lobe of magnetic attracting device 10
Daughter board 6 is close to sealing ring 16, and the state-feedback circuit of driving device 8 arrives the state feedback that check-valves has been closed completely at this time
Measurement &control computer；If drain tap leaks air, due to the effect of inside and outside differential pressure, lappet 6 can be pressed to sealing ring 16, at this time
Check-valves works, will not gas leakage, ensured the air-tightness of drain tap.It should be appreciated that when aerostatics is no longer vented, exhaust
Lappet 6 is closed when valve is closed, and guarantees that lappet 6 is closed completely by magnetic attracting device 10, even if valve cannot close for some reason,
Also gas leakage can be prevented, guarantees air-tightness.
When providing the instruction of drain tap unlatching, magnetic attracting device 10 loses magnetism, and driving device 8 passes through built-in stepping electricity
Machine circuit control lappet 6 is opened, and when lappet 6 and valve body 2 are at 90 degree, limited post 12 is moved to restraining position, is used to
Fixed lappet 6, makes it be kept for 90 degree, to realize that exhaust maximizes；The state-feedback circuit of driving device 8 is by non-return at this time
The state that valve is completely open is fed back to Measurement &control computer, and drain tap can be opened at this time.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of check-valves, the drain tap for aerostatics characterized by comprising
Valve body (2), the valve body (2) is arranged on the drain tap and the valve body (2) has opening (4), described to open
Mouth (4) has a central axis；
Multiple lappets (6), multiple lappets (6) are pivotally connected with the valve body (2), multiple lappets (6)
Shaft is set in parallel to each other in the plane perpendicular to the central axis；
Driving device (8), the driving device (8) connect with the lappet (6), to drive the lappet (6) closing
It is rotated between the closed position of the opening (4) and the open position for opening the opening (4)；And
Fixed device, the fixed device are arranged on the valve body (2), wherein when the lappet (6) are located at the closing
When position, the fixed device is contacted with the lappet (6) to provide the closure of the closed opening of the lappet (6)
Power；When the lappet (6) is located at the open position, the fixed device clamps the lappet (6) so that the leaf
Daughter board (6) is maintained at the open position.
2. check-valves according to claim 1, which is characterized in that the fixed device includes multiple magnetic attracting devices (10),
The magnetic attracting device (10) is sticked the side in the valve body (2) towards the vane plate (6), and the magnetic attracting device (10) exists
Interval is arranged at the edge join of the lappet (6) and the opening (4), at the lappet (6) described closed position,
The magnetic attracting device (10) contacts with the lappet (6) absorption.
3. check-valves according to claim 2, which is characterized in that the internal perisporium of the valve body (2) is towards the opening (4)
It is convexly equipped with the blocking circle (14) of a ring shape, the magnetic attracting device (10) is sticked on blocking circle (14), in the closing
When position, the lappet (6) is fitted on the blocking circle (14) under the adsorption force of the magnetic attracting device (10).
4. check-valves according to claim 3, which is characterized in that the check-valves further includes sealing ring (16), described close
Seal (16) is sticked on blocking circle (14), and is located between blocking circle (14) and the lappet (6).
5. check-valves according to claim 1, which is characterized in that the fixed device further includes multiple limited posts (12),
The internal perisporium of the valve body (2) offers multiple receiving holes, Duo Gesuo on the direction of shaft for being parallel to the lappet (6)
It states limited post (12) to be telescopically accommodated in the multiple receiving hole respectively, when the lappet (6) are in the close stance
When setting, the limited post (12) is accommodated in the receiving hole, described when the lappet (6) is in the open position
Limited post (12) stretches out the receiving hole and emits the internal perisporium for the valve body (2), to be clamped in the two of the lappet (6)
A apparent surface.
6. check-valves according to claim 1, which is characterized in that the lappet (6) include be oppositely arranged it is first straight
Side (18) and second straight flange (20), and two arc sides (22) of connection first straight flange (18) and the second straight flange (20),
The length of first straight flange (18) is greater than second straight flange (20), the multiple arc side (22) and described opening (4) edge
It coincide.
7. check-valves according to claim 6, which is characterized in that the both ends of the lappet (6) are equipped with flange (24), institute
It states two flanges (24) to extend to form from the opposite end of first straight flange (18) respectively, multiple institutes of multiple lappets
It states flange (24) and successively protrudes into the valve body (2) internal perisporium, multiple lappets (6) are made under the driving of the driving device
Relative to the valve body (2) pivot in unison.
8. check-valves according to claim 6, which is characterized in that the lappet (6) includes the first leaf being disposed adjacent
Daughter board and the second lappet, at the closed position, first straight flange and second leaf of first lappet
Second straight flange of plate overlaps each other.
9. check-valves according to claim 8, which is characterized in that at open position, first lappet with it is described
The plate face of second lappet is parallel to each other, and where the shaft of the plate face and first lappet and second lappet
Plane it is vertical.
10. check-valves according to claim 1, which is characterized in that the driving device (8) includes stepper motor, described
Stepper motor is connect to drive the lappet (6) to rotate with the lappet (6).
11. a kind of aerostatics, which is characterized in that the aerostatics includes the utricule filled with buoyance lift gas, is set on the utricule
Exhaust outlet is set, drain tap is set on the exhaust outlet, is further provided on the drain tap any in claims 1 to 10
Check-valves described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013413.3A CN109707880A (en) | 2017-10-26 | 2017-10-26 | Check-valves and aerostatics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013413.3A CN109707880A (en) | 2017-10-26 | 2017-10-26 | Check-valves and aerostatics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109707880A true CN109707880A (en) | 2019-05-03 |
Family
ID=66252669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711013413.3A Pending CN109707880A (en) | 2017-10-26 | 2017-10-26 | Check-valves and aerostatics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109707880A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007170666A (en) * | 2005-12-20 | 2007-07-05 | Vat Holding Ag | Pendulum and slide gate vacuum valve |
| CN102979933A (en) * | 2012-11-17 | 2013-03-20 | 李建美 | Check device |
| CN103511681A (en) * | 2012-06-18 | 2014-01-15 | 张琦 | Check valve |
| CN203686266U (en) * | 2013-12-26 | 2014-07-02 | 方正阀门集团有限公司 | Dual-purpose butterfly check valve |
| CN106065964A (en) * | 2016-07-22 | 2016-11-02 | 宁波方太厨具有限公司 | A kind of check (non-return) valve |
| CN206159559U (en) * | 2016-11-07 | 2017-05-10 | 东莞前沿技术研究院 | Aerostatics air -blower check valve |
| CN207777701U (en) * | 2017-10-26 | 2018-08-28 | 东莞前沿技术研究院 | Check-valves and aerostatics |
-
2017
- 2017-10-26 CN CN201711013413.3A patent/CN109707880A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007170666A (en) * | 2005-12-20 | 2007-07-05 | Vat Holding Ag | Pendulum and slide gate vacuum valve |
| CN103511681A (en) * | 2012-06-18 | 2014-01-15 | 张琦 | Check valve |
| CN102979933A (en) * | 2012-11-17 | 2013-03-20 | 李建美 | Check device |
| CN203686266U (en) * | 2013-12-26 | 2014-07-02 | 方正阀门集团有限公司 | Dual-purpose butterfly check valve |
| CN106065964A (en) * | 2016-07-22 | 2016-11-02 | 宁波方太厨具有限公司 | A kind of check (non-return) valve |
| CN206159559U (en) * | 2016-11-07 | 2017-05-10 | 东莞前沿技术研究院 | Aerostatics air -blower check valve |
| CN207777701U (en) * | 2017-10-26 | 2018-08-28 | 东莞前沿技术研究院 | Check-valves and aerostatics |
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