CN109237071A - A kind of spiral airbag valve - Google Patents
A kind of spiral airbag valve Download PDFInfo
- Publication number
- CN109237071A CN109237071A CN201811163953.4A CN201811163953A CN109237071A CN 109237071 A CN109237071 A CN 109237071A CN 201811163953 A CN201811163953 A CN 201811163953A CN 109237071 A CN109237071 A CN 109237071A
- Authority
- CN
- China
- Prior art keywords
- valve
- bearing
- mounting shell
- valve pipe
- strut
- 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.)
- Pending
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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
- F16K7/10—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with inflatable member
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of spiral airbag valves, including valve body, valve inner is provided with valve chamber, air bag is provided in valve chamber, air bag side is provided with gaseous core, valve chamber bottom end and top are symmetrically arranged with valve pipe, mounting shell is provided with outside valve pipe, mounting shell interior side and several telescopic rods are provided with far from gaseous core side, spring two is provided with outside telescopic rod, telescopic rod side and valve pipe side is provided with support plate, mounting shell side and through-hole is provided with far from telescopic rod side, telescopic device is provided on through-hole, telescopic device includes strut, connecting shaft two, fixed block, bearing one, bearing two, adjusting screw rod, spring one, connecting shaft one and connecting rod, strut is located in through-hole, strut side and valve pipe side is provided with pressing plate compatible with valve pipe, pressing plate is arc, strut side and separate valve pipe side It is provided with connecting shaft two, side and is located at through hole outside mounting shell and is provided with fixed block.
Description
Technical field
The present invention relates to valve technology fields, it particularly relates to a kind of spiral airbag valve.
Background technique
The purposes of valve is very extensive, many kinds of, it is mainly used for the control of fluid circuit, has and ends, adjusts, leading
It flows, prevent the functions such as adverse current, for the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS)
Used in various valves, kind and specification are quite various, valve can be used for controlling empty gas and water, steam, various corrosivity be situated between
The flowing of the various types fluid such as matter, mud, oil product, liquid metal and radiating medium, prior art 1:CN104180013 are related to
And a kind of spiral airbag valve, including valve floor, through the valve floor setting centrally-located extension sleeve, pass through valve
The valve opening and closing connecting at the top of door connector and the centrally-located extension sleeve controls tower spring, setting described central fixed
The valve shut-in time in the extension sleeve of position adjusts spring, the spiral shell being arranged between the valve connections and the valve floor
Stopcock door loose-leaf；The valve floor periphery is provided with normal open bleeder port, and helical arrangement is provided with valve on the valve floor
Bottom plate stomata is connected with rubber seal on the valve floor.The configuration of the present invention is simple is easy to make, reliable operation；Weight
Gently, small in size；Switching process is continuous, and it is linearly regular to cross tolerance.
However, the installation process of existing spiral airbag valve is complicated, points for attention when installation are too many, and are installing
When, it needing using specific installation tool, layman is not easy to install, and the valve after installation is exposed to outside, easily it is destroyed,
The service life of spiral airbag valve is short, and the airtightness of valve body is poor, is easily installed fixation for this purpose, urgent need designs one kind and has guarantor
The spiral airbag valve device of valve body is protected, to solve the above problems.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of spiral airbag valve, to overcome existing the relevant technologies institute
Existing above-mentioned technical problem.
The technical scheme of the present invention is realized as follows:
A kind of spiral airbag valve, including valve body, the valve inner are provided with valve chamber, and air bag, institute are provided in the valve chamber
It states air bag side and is provided with gaseous core, the valve chamber bottom end and top are symmetrically arranged with valve pipe, are provided with peace outside the valve pipe
Shell is filled, the mounting shell interior side and the separate gaseous core side are provided with several telescopic rods, and the telescopic rod outside is
It is provided with spring two, the telescopic rod side and valve pipe side is provided with support plate, the mounting shell side and remote
It is provided with through-hole from the telescopic rod side, telescopic device is provided on the through-hole, the telescopic device includes strut, connects
Spindle two, fixed block, bearing one, bearing two, adjusting screw rod, spring one, connecting shaft one and connecting rod, the strut are located at described
In through-hole, the strut side and valve pipe side is provided with pressing plate compatible with the valve pipe, the pressing plate is
Arc, the strut side and separate valve pipe side are provided with the connecting shaft two, side and position outside the mounting shell
The through hole is provided with the fixed block, the fixed block side and the strut side is provided with the connecting shaft
One, the fixed block top middle portion is provided with the bearing one, the fixed block center bottom and is located at one bottom of bearing
It is provided with the bearing two, the bearing one, the bearing two, the connecting shaft one and the connecting shaft two pass through the connection
Bar connection, one middle part of bearing are connected in the middle part of the bearing two by the adjusting screw rod, the bearing one and the axis
It holds and is provided with the spring one outside the adjusting screw rod between two, one top of spring connects one bottom end of bearing,
One bottom end of spring connects two top of bearing, and the mounting shell bottom end and top are provided with flange.
Further, the flange both sides of the edge are provided with screw hole, are provided in the screw hole and mutually fit with the screw hole
The T-type screw rod matched.
Further, the flange side and the mounting shell side is provided with gasket.
Further, the pressing plate side and valve pipe side is provided with backing plate one.
Further, the support plate side and valve pipe side is provided with backing plate two.
Further, the valve interior wall is provided with gasket.
Beneficial effects of the present invention: length of the strut in mounting shell is changed by rotation adjusting screw rod, makes pressing plate tightly
It is pressed on valve pipe, valve body and valve pipe is fixed in mounting shell, the setting of mounting shell plays the role of protection to valve pipe and valve body, prolongs
The service life of long spire airbag valve, the setting of flange facilitate valve pipe to connect with pipeline, are provided with and stretch on this device mounting shell
Compression apparatus can pass through adjusting screw rod adjustment housings inner space, the spiral airbag valve of mountable different volumes, more economical reality
With it is suitable for being widely used that this device is easy for installation, and structure is simple, and production cost is low, good airproof performance.
In addition, the setting of T-type screw rod and gasket makes device and external connection more closely, the generation of weeping is prevented,
The setting of backing plate one and backing plate two has fixed and protective effect to valve pipe, prevents valve pipe from directly contacting with hard object and valve pipe is caused to become
Shape, the setting of gasket prevent valve body water clock, increase the airtightness of valve body.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of spiral airbag valve overall structure diagram according to an embodiment of the present invention；
Fig. 2 is according to telescopic device enlarged drawing in this Fig. 1.
In figure:
1, valve body；2, valve chamber；3, air bag；4, gaseous core；5, valve pipe；6, telescopic rod；7, spring two；8, support plate；9, telescopic device；
10, strut；11, connecting shaft two；12, fixed block；13, bearing one；14, bearing two；15, connecting shaft one；16, connecting rod；17, it adjusts
Save screw rod；18, spring one；19, through-hole；20, pressing plate；21, mounting shell；22, flange；23, screw hole；24, T-type screw rod；25, it pads
Piece；26, gasket；27, backing plate two；28, backing plate one.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, providing a kind of spiral airbag valve
As shown in Figure 1, a kind of spiral airbag valve according to an embodiment of the present invention, including valve body 1, it is arranged inside the valve body 1
There is valve chamber 2, air bag 3 is provided in the valve chamber 2,3 side of air bag is provided with gaseous core 4,2 bottom end of valve chamber and top pair
Title is provided with valve pipe 5, and mounting shell 21,21 interior side of mounting shell and the separate gas are provided with outside the valve pipe 5
4 side of core is provided with several telescopic rods 6, is provided with spring 27 outside the telescopic rod 6,6 side of telescopic rod and leans on
Nearly 5 side of valve pipe is provided with support plate 8, and 21 side of mounting shell and separate 6 side of telescopic rod are provided with logical
Hole 19, is provided with telescopic device 9 on the through-hole 19, the telescopic device 9 include strut 10, connecting shaft 2 11, fixed block 12,
Bearing 1, bearing 2 14, adjusting screw rod 17, spring 1, connecting shaft 1 and connecting rod 16, the strut 10 are located at described
In through-hole 19,10 side of strut and 5 side of valve pipe is provided with pressing plate 20 compatible with the valve pipe 5, institute
Stating pressing plate 20 is arc, 10 side of strut and 5 side of valve pipe is provided with the connecting shaft 2 11, the installation
21 outside side of shell and it is located at the through-hole 19 and is provided with the fixed block 12,12 side of fixed block and far from the branch
10 side of bar is provided with the connecting shaft 1, and 12 top middle portion of fixed block is provided with the bearing 1, the fixation
12 center bottom of block and be located at one 13 bottom of bearing be provided with the bearing 2 14, the bearing 1, the bearing two
14, the connecting shaft 1 and the connecting shaft 2 11 are connected by the connecting rod 16, in the middle part of the bearing 1 and described
2 14 middle part of bearing is connected by the adjusting screw rod 17, the adjusting spiral shell between the bearing 1 and the bearing 2 14
The spring 1 is provided with outside bar 17, one 18 top of spring connects one 13 bottom end of bearing, the spring 1
Bottom end connects 2 14 top of bearing, and 21 bottom end of mounting shell and top are provided with flange 22.
With the aid of the technical scheme, length of the strut 10 in mounting shell 21 is changed by rotation adjusting screw rod 17, made
Pressing plate 20 is tightly pressed against on valve pipe 5, and valve body 1 and valve pipe 5 are fixed in mounting shell 21, and mounting shell 21 is arranged to valve pipe 5 and valve
Body 1 plays the role of protection, extends the service life of spiral airbag valve, and the setting of flange 22 facilitates valve pipe 5 to connect with pipeline, this
Telescopic device 9 is provided on device mounting shell 21, it can be mountable not androgynous by 17 adjustment housings inner space of adjusting screw rod
Long-pending spiral airbag valve, more economical practical, this device is easy for installation, and structure is simple, and production cost is low, good airproof performance, is suitable for
It is widely used.
In addition, 22 both sides of the edge of flange are provided with screw hole 23, it is provided in the screw hole 23 and the screw hole 23
Compatible T-type screw rod 24,22 side of flange and separate 21 side of mounting shell are provided with gasket 25, the pressing plate 20
Side and close 5 side of valve pipe are provided with backing plate 1,8 side of support plate and close 5 side of valve pipe setting
There is backing plate 2 27,1 inner wall of valve body is provided with gasket 26；The setting of T-type screw rod 24 and gasket 25 connects device with outside
The generation for more closely preventing weeping is connect, the setting of backing plate 1 and backing plate 2 27 has fixed and protection to make valve pipe 5
With preventing valve pipe 5 from directly contacting with hard object and valve pipe 5 caused to deform, the setting of gasket 26 prevents 1 water clock of valve body, increases valve body 1
Airtightness.
In conclusion changing strut 10 by means of above-mentioned technical proposal of the invention by rotation adjusting screw rod 17 and pacifying
The length in shell 21 is filled, pressing plate 20 is tightly pressed against on valve pipe 5, valve body 1 and valve pipe 5 is fixed in mounting shell 21, mounting shell
21 setting plays the role of protection to valve pipe 5 and valve body 1, extends the service life of spiral airbag valve, the setting side of flange 22
Just valve pipe 5 is connect with pipeline, is provided with telescopic device 9 on this device mounting shell 21, can be by 17 adjustment housings of adjusting screw rod
Portion space, the spiral airbag valve of mountable different volumes, more economical practical, this device is easy for installation, and structure is simple, is produced into
This low, good airproof performance, is suitable for being widely used.
In addition, the setting of T-type screw rod 24 and gasket 25 makes device and external connection more closely, the hair of weeping is prevented
Raw, the setting of backing plate 1 and backing plate 2 27 has fixed and protective effect to valve pipe 5, prevents valve pipe 5 from directly contacting with hard object and makes
It is deformed at valve pipe 5, the setting of gasket 26 prevents 1 water clock of valve body, increases the airtightness of valve body 1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of spiral airbag valve, which is characterized in that including valve body (1), the valve body (1) is internally provided with valve chamber (2), institute
It states and is provided with air bag (3) in valve chamber (2), air bag (3) side is provided with gaseous core (4), valve chamber (2) bottom end and top pair
Title is provided with valve pipe (5), is provided with mounting shell (21) outside the valve pipe (5), mounting shell (21) interior side and remote
It is provided with several telescopic rods (6) from the gaseous core (4) side, is provided with spring two (7), institute outside the telescopic rod (6)
It states telescopic rod (6) side and is provided with support plate (8) close to valve pipe (5) side, mounting shell (21) side and separate
Telescopic rod (6) side is provided with through-hole (19), is provided with telescopic device (9) on the through-hole (19), the flexible dress
Set (9) include strut (10), connecting shaft two (11), fixed block (12), bearing one (13), bearing two (14), adjusting screw rod (17),
Spring one (18), connecting shaft one (15) and connecting rod (16), the strut (10) are located in the through-hole (19), the strut
(10) side and valve pipe (5) side is provided with the compatible pressing plate (20) with the valve pipe (5), the pressing plate (20)
The connecting shaft two (11), the mounting shell are provided with for arc, strut (10) side and far from valve pipe (5) side
(21) external side and being located at the through-hole (19) is provided with the fixed block (12), fixed block (12) side and separate
Strut (10) side is provided with the connecting shaft one (15), and fixed block (12) top middle portion is provided with the bearing one
(13), fixed block (12) center bottom and be located at bearing one (13) bottom be provided with the bearing two (14), it is described
Bearing one (13), the bearing two (14), the connecting shaft one (15) and the connecting shaft two (11) pass through the connecting rod
(16) it connects, is connected in the middle part of the bearing one (13) and by the adjusting screw rod (17) in the middle part of the bearing two (14), it is described
It is provided with the spring one (18) outside the adjusting screw rod (17) between bearing one (13) and the bearing two (14), it is described
Spring one (18) top connects bearing one (13) bottom end, and spring one (18) bottom end connects bearing two (14) top
End, mounting shell (21) bottom end and top are provided with flange (22).
2. a kind of spiral airbag valve according to claim 1, which is characterized in that flange (22) both sides of the edge are all provided with
It is equipped with screw hole (23), is provided with the compatible T-type screw rod (24) with the screw hole (23) in the screw hole (23).
3. a kind of spiral airbag valve according to claim 1, which is characterized in that flange (22) side and separate institute
It states mounting shell (21) side and is provided with gasket (25).
4. a kind of spiral airbag valve according to claim 1, which is characterized in that pressing plate (20) side and close institute
It states valve pipe (5) side and is provided with backing plate one (28).
5. a kind of spiral airbag valve according to claim 1, which is characterized in that support plate (8) side and close
Valve pipe (5) side is provided with backing plate two (27).
6. a kind of spiral airbag valve according to claim 1, which is characterized in that valve body (1) inner wall is provided with close
Packing (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163953.4A CN109237071A (en) | 2018-10-03 | 2018-10-03 | A kind of spiral airbag valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163953.4A CN109237071A (en) | 2018-10-03 | 2018-10-03 | A kind of spiral airbag valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109237071A true CN109237071A (en) | 2019-01-18 |
Family
ID=65055057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811163953.4A Pending CN109237071A (en) | 2018-10-03 | 2018-10-03 | A kind of spiral airbag valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237071A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854780A (en) * | 2019-03-16 | 2019-06-07 | 刘旭 | A kind of safety leakage proof type water valve for city water resource supply |
| CN112344062A (en) * | 2020-11-24 | 2021-02-09 | 江苏博特威流体科技有限公司 | Intelligent combined valve with pressure seal |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29803918U1 (en) * | 1998-03-06 | 1998-07-02 | Arends, Bernt, Dipl.-Ing. (FH), 23566 Lübeck | Universal valve that opens and closes with the help of a bellows |
| CN201050614Y (en) * | 2007-04-02 | 2008-04-23 | 焦建生 | Inflation valve |
| CN102249069A (en) * | 2011-04-26 | 2011-11-23 | 三一重型综采成套装备有限公司 | Hydraulic chain tightening device of scraper conveyor and hoisting mechanism thereof |
| CN104180014A (en) * | 2014-07-29 | 2014-12-03 | 杨举 | Air bag type gate valve |
| CN104180013A (en) * | 2014-07-11 | 2014-12-03 | 中国人民解放军76321部队 | Spiral airbag valve |
| CN204592480U (en) * | 2015-03-26 | 2015-08-26 | 天津中世恒业科技有限公司 | A kind of valve insulating shell |
| CN206754451U (en) * | 2017-05-08 | 2017-12-15 | 天津鼎津阀门有限公司 | A kind of valve being easily installed |
| CN108413068A (en) * | 2018-02-12 | 2018-08-17 | 湖州师范学院 | A kind of motorized adjustment air bag runoff investigation mechanism |
| CN207777639U (en) * | 2017-12-28 | 2018-08-28 | 重庆众誉材工科技有限公司 | Pipeline damper stabilizing adjusting device |
| KR20180102846A (en) * | 2017-03-08 | 2018-09-18 | 김진국 | Tube valve, system of controlling sewage amount using the same, and system of detecting leakage of intercepting pipeline |
| CN108591528A (en) * | 2018-05-16 | 2018-09-28 | 大连中远海运川崎船舶工程有限公司 | A kind of pipeline headstock gear and its pipeline opening/closing system |
| CN108591527A (en) * | 2018-05-10 | 2018-09-28 | 湖州师范学院 | A kind of microcontroller air bag regulating mechanism |
-
2018
- 2018-10-03 CN CN201811163953.4A patent/CN109237071A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29803918U1 (en) * | 1998-03-06 | 1998-07-02 | Arends, Bernt, Dipl.-Ing. (FH), 23566 Lübeck | Universal valve that opens and closes with the help of a bellows |
| CN201050614Y (en) * | 2007-04-02 | 2008-04-23 | 焦建生 | Inflation valve |
| CN102249069A (en) * | 2011-04-26 | 2011-11-23 | 三一重型综采成套装备有限公司 | Hydraulic chain tightening device of scraper conveyor and hoisting mechanism thereof |
| CN104180013A (en) * | 2014-07-11 | 2014-12-03 | 中国人民解放军76321部队 | Spiral airbag valve |
| CN104180014A (en) * | 2014-07-29 | 2014-12-03 | 杨举 | Air bag type gate valve |
| CN204592480U (en) * | 2015-03-26 | 2015-08-26 | 天津中世恒业科技有限公司 | A kind of valve insulating shell |
| KR20180102846A (en) * | 2017-03-08 | 2018-09-18 | 김진국 | Tube valve, system of controlling sewage amount using the same, and system of detecting leakage of intercepting pipeline |
| CN206754451U (en) * | 2017-05-08 | 2017-12-15 | 天津鼎津阀门有限公司 | A kind of valve being easily installed |
| CN207777639U (en) * | 2017-12-28 | 2018-08-28 | 重庆众誉材工科技有限公司 | Pipeline damper stabilizing adjusting device |
| CN108413068A (en) * | 2018-02-12 | 2018-08-17 | 湖州师范学院 | A kind of motorized adjustment air bag runoff investigation mechanism |
| CN108591527A (en) * | 2018-05-10 | 2018-09-28 | 湖州师范学院 | A kind of microcontroller air bag regulating mechanism |
| CN108591528A (en) * | 2018-05-16 | 2018-09-28 | 大连中远海运川崎船舶工程有限公司 | A kind of pipeline headstock gear and its pipeline opening/closing system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854780A (en) * | 2019-03-16 | 2019-06-07 | 刘旭 | A kind of safety leakage proof type water valve for city water resource supply |
| CN112344062A (en) * | 2020-11-24 | 2021-02-09 | 江苏博特威流体科技有限公司 | Intelligent combined valve with pressure seal |
| CN112344062B (en) * | 2020-11-24 | 2022-07-12 | 江苏博特威流体科技有限公司 | Intelligent combined valve with pressure seal |
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Application publication date: 20190118 |