CN207421373U - A kind of axial-flow type quick valve applied to impulse wind tunnel - Google Patents
A kind of axial-flow type quick valve applied to impulse wind tunnel Download PDFInfo
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- CN207421373U CN207421373U CN201721506704.1U CN201721506704U CN207421373U CN 207421373 U CN207421373 U CN 207421373U CN 201721506704 U CN201721506704 U CN 201721506704U CN 207421373 U CN207421373 U CN 207421373U
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Abstract
The utility model discloses a kind of axial-flow type quick valves applied to impulse wind tunnel, it includes cushion cylinder（1）, valve body（2）And spool（3）, valve body（2）Left part be sequentially connected with linkage section（4）And valve seat（5）, spool（3）Including big axis connected in sequence（11）With small axis（12）, spool（3）Inside it is provided with connection media outlet（6）Through hole（13）, valve body（2）On be provided with connector A（21）With connector B（22）, connector A（21）With the first driving chamber（16）Connection, connector B（22）With the second driving chamber（17）Connection.The beneficial effects of the utility model are：It is compact-sized, service life is long, keying is flexible, meets the requirement, easy to operate of wind tunnel test.
Description
Technical field
The utility model is related to the technical field of valve mechanism, a kind of particularly axial-flow type applied to impulse wind tunnel is quick
Valve.
Background technology
, it is necessary to the valve arrangement of a kind of quick unlatching and quick closedown in impulse wind tunnel, for starting wind-tunnel.Due to whole
The time of a wind tunnel test is very short, generally only 500ms ~ 1s or so, this valve arrangement for just needing to start wind-tunnel needs
Test(ing) medium is turned on and off in 10ms or so rapidly.Conventional valve cannot meet the startup requirement of Millisecond, and
So fast speed be also to the impact of valve motion part and the impact of valve seat it is very serious, it is even fatal, therefore deposit
Service life is short the defects of.Therefore quick startup valve can be met there is an urgent need for one kind and movement parts dash valve can be effectively reduced
Door, to meet wind tunnel test.
Utility model content
The purpose of the utility model is to overcome the shortcomings that the prior art, providing, one kind is compact-sized, service life is long, opens
Close flexible, to meet wind tunnel test requirement, the axial-flow type quick valve applied to impulse wind tunnel easy to operate.
The purpose of this utility model is achieved through the following technical solutions：A kind of axial-flow type applied to impulse wind tunnel is quick
Valve, it includes cushion cylinder, valve body and spool, and the left part of the valve body has been sequentially connected with linkage section and valve seat, the valve body
It is interior by sequentially offering the stepped hole A and media outlet that sequentially connect from left to right, the rank of connection stepped hole A is offered in linkage section
Terraced hole B, valve seat are made of ring flange connected in sequence and boss, medium inlet are offered in valve seat, ring flange is through screw and company
The left part connection of section is connect, the sealing surface of seat of shape in a ring is provided on the edge of boss right part；
The spool includes big axis connected in sequence and small axis, and the through hole of connection media outlet, through hole are provided in spool
Left part be provided with the matched valve core sealed cover of sealing surface of seat, the left side of big axis with outside stepped hole B macropores, boss
Annular chamber is formed between wall, annular chamber is connected with medium inlet, and the left and right end portions of big axis are respectively arranged in the aperture of stepped hole B
In the macropore of stepped hole A, the annular seal space of shape in a ring is formed between big axis and stepped hole A macropores, linkage section right side, it is close
Envelope intracavitary is provided with annular protrusion, and annular protrusion is coaxially disposed with big axis and is connected as a single entity with big axis, and annular protrusion is by annular seal space
It is divided into the first driving chamber and the second driving chamber, the guiding for being fixedly arranged on linkage section right side is provided in second driving chamber
Column is cased with spring on lead, and the other end of spring is pressed on annular protrusion, and the small axis is installed in media outlet, small
Cushion chamber is formed between the aperture of axis and stepped hole A, hydraulic oil and air are filled in cushion chamber；
Connector A and connector B are provided on the valve body, connector A is connected with the first driving chamber, connector B and the second driving chamber
It connecting, the hydraulic channel of connection cushion chamber is further opened in valve body, hydraulic channel is connected through pipeline with the upper chamber of cushion cylinder,
Throttling pore is offered on the bottom end cover of cushion cylinder, throttling pore is connected with the lower chambers of cushion cylinder.
Dynamic seal ring is provided on the outer edge of the annular protrusion.
The medium inlet is coaxially disposed with media outlet.
The utility model has the following advantages：The utility model is compact-sized, service life is long, keying is flexible, meets wind
The requirement, easy to operate of hole test.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the I portions partial enlarged view of Fig. 1；
In figure, 1- cushion cylinders, 2- valve bodies, 3- spools, 4- linkage sections, 5- valve seats, 6- media outlets, 7- boss, 8- Jie
Matter entrance, 9- screws, 10- sealing surface of seats, the big axis of 11-, the small axis of 12-, 13- through holes, 14- annular chambers, 15- annular protrusions, 16-
First driving chamber, the second driving chambers of 17-, 18- leads, 19- springs, 20- cushion chambers, 21- connectors A, 22- connector B, 23- liquid
Pressure passageway, 24- throttling pores.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings, the scope of protection of the utility model be not limited to
It is lower described：
As shown in Fig. 1 ~ 3, a kind of axial-flow type quick valve applied to impulse wind tunnel, it includes cushion cylinder 1,2 and of valve body
Spool 3, the left part of the valve body 2 have been sequentially connected with linkage section 4 and valve seat 5, and the valve body 2 is interior by sequentially offering from left to right
The stepped hole A and media outlet 6 sequentially connected offers the stepped hole B of connection stepped hole A in linkage section 4, and valve seat 5 is by sequentially
The ring flange and boss 7 of connection form, and medium inlet 8 is offered in valve seat 5, and medium inlet 8 is coaxially disposed with media outlet 6,
Ring flange is connected through screw 9 with the left part of linkage section 4, and the valve seat that shape in a ring is provided on the edge of 7 right part of boss is close
Front cover 10.
The spool 3 includes big axis 11 connected in sequence and small axis 12, and the logical of connection media outlet 6 is provided in spool 3
Hole 13, the left part of through hole 13 are provided with and 10 matched valve core sealed cover of sealing surface of seat, the left side of big axis 11 and rank
Annular chamber 14 is formed between terraced hole B macropores, 7 outer wall of boss, annular chamber 14 is connected with medium inlet 8, the left and right end of big axis 11
Portion is respectively arranged in the aperture of stepped hole B and the macropore of stepped hole A, big axis 11 and stepped hole A macropores, 4 right side of linkage section
Between be formed with the annular seal space of shape in a ring.
As shown in Figure 1, be provided with annular protrusion 15 in annular seal space, annular protrusion 15 be coaxially disposed with big axis 11 and with big axis
11 are connected as a single entity, and annular seal space is divided into the first driving chamber 16 and the second driving chamber 17, second driving chamber by annular protrusion 15
The lead 18 for being fixedly arranged on 4 right side of linkage section is provided in 17, spring 19 is cased on lead 18, the length of spring 19 is more than
The length of lead 18, the other end of spring 19 are pressed on annular protrusion 15.The small axis 12 is installed in media outlet 6,
Cushion chamber 20 is formed between small axis 12 and the aperture of stepped hole A, hydraulic oil and air are filled in cushion chamber 20.
Connector A21 and connector B22 are provided on the valve body 2, connector A21 is connected with the first driving chamber 16, connector B22 with
Second driving chamber 17 connects, and the hydraulic channel 23 of connection cushion chamber 20 is further opened in valve body 2, hydraulic channel 23 is through pipeline with delaying
Rush upper chamber's connection of oil cylinder 1,1 vertical setting of cushion cylinder is provided with piston in cushion cylinder 1, and piston is by cushion cylinder
Inner cavity is divided into upper chamber and lower chambers, and upper chamber and bottom chamber are filled with hydraulic oil, are opened on the bottom end cover of cushion cylinder 1
Equipped with throttling pore 24,24 vertical setting of throttling pore, throttling pore 24 is connected with the lower chambers of cushion cylinder 1.
Dynamic seal ring is provided on the outer edge of the annular protrusion 15.
The method for opening and closing of the axial-flow type quick valve applied to impulse wind tunnel, it comprises the following steps：
The unlatching of S1, valve are passed through gases at high pressure through connector B22, and gases at high pressure enter in the second driving chamber 17, high pressure gas
Body acts on the left side of annular protrusion 15, in the elastic force of spring 19 and the driving bottom spool 3 of gases at high pressure quickly toward moving right,
Valve core sealed cover and 10 quick separating of sealing surface of seat at this time, realize the quick unlatching of valve, are flowed at this time at medium inlet 8
The medium entered enters in annular chamber 14, and medium is under stress and sequentially through the sky between valve core sealed cover and sealing surface of seat 10
Gap, through hole 13 and media outlet 6 flow out；During spool 3 moves right, the shoulder compression of big axis 11 and small axis 12 buffers
Chamber 20, the air in cushion chamber 20 take the lead in quickly being discharged in the upper chamber of cushion cylinder 1 through hydraulic channel 23, when draining sky
After gas, the hydraulic oil in shoulder compression cushion chamber 20, hydraulic oil enters the liquid of 1 pusher piston of cushion cylinder compression bottom chamber
Pressure oil, hydraulic oil are slowly discharged from throttling pore 24, due to the effect of throttling pore 24, the hydraulic fluid pressure in cushion chamber 20
Rise so as to effectively absorb the kinergety of spool, has the function that buffering；
The closing of S2, valve are passed through gases at high pressure through connector A21, and gases at high pressure enter in the first driving chamber 16, high pressure gas
Body acts on the right side of annular protrusion 15, in the driving bottom spool 3 of 19 restoring force of spring and gases at high pressure quickly toward moving left,
Annular protrusion 15 compresses spring 19 to ensure that valve core sealed cover slowly coordinates with sealing surface of seat 10 after spring 19 resets, from
And the quick closedown of valve is realized, while the impact to reduce valve seat and valve core sealed cover, extend the use of entire valve
Service life eliminates the noise generated during spool impact.
Claims (3)
1. a kind of axial-flow type quick valve applied to impulse wind tunnel, it is characterised in that：It includes cushion cylinder（1）, valve body（2）With
Spool（3）, the valve body（2）Left part be sequentially connected with linkage section（4）And valve seat（5）, the valve body（2）It is interior by from left to right
Sequentially offer the stepped hole A and media outlet sequentially connected（6）, linkage section（4）Inside offer the stepped hole of connection stepped hole A
B, valve seat（5）By ring flange connected in sequence and boss（7）Composition, valve seat（5）Inside offer medium inlet（8）, ring flange warp
Screw（9）With linkage section（4）Left part connection, boss（7）The valve base sealing of shape in a ring is provided on the edge of right part
Face（10）；
The spool（3）Including big axis connected in sequence（11）With small axis（12）, spool（3）Inside it is provided with connection media outlet
（6）Through hole（13）, through hole（13）Left part be provided with and sealing surface of seat（10）Matched valve core sealed cover, big axis
（11）Left side and stepped hole B macropores, boss（7）Annular chamber is formed between outer wall（14）, annular chamber（14）Enter with medium
Mouthful（8）Connection, big axis（11）Left and right end portions be respectively arranged in the aperture of stepped hole B and the macropore of stepped hole A, big axis（11）
With stepped hole A macropores, linkage section（4）The annular seal space of shape in a ring is formed between right side, convex annular is provided in annular seal space
It rises（15）, annular protrusion（15）With big axis（11）Coaxial arrangement and with big axis（11）It is connected as a single entity, annular protrusion（15）It will sealing
Chamber is divided into the first driving chamber（16）With the second driving chamber（17）, second driving chamber（17）It is inside provided with and is fixedly arranged on linkage section
（4）The lead of right side（18）, lead（18）On be cased with spring（19）, spring（19）The other end press on annular protrusion
（15）On, the small axis（12）It is installed on media outlet（6）It is interior, small axis（12）Cushion chamber is formed between the aperture of stepped hole A
（20）, cushion chamber（20）Inside it is filled with hydraulic oil and air；
The valve body（2）On be provided with connector A（21）With connector B（22）, connector A（21）With the first driving chamber（16）Connection, connects
Head B（22）With the second driving chamber（17）Connection, valve body（2）Inside it is further opened with connection cushion chamber（20）Hydraulic channel（23）, liquid
Pressure passageway（23）Through pipeline and cushion cylinder（1）Upper chamber connection, cushion cylinder（1）Bottom end cover on offer throttling pore
（24）, throttling pore（24）With cushion cylinder（1）Lower chambers connection.
2. a kind of axial-flow type quick valve applied to impulse wind tunnel according to claim 1, it is characterised in that：The ring
Shape protrusion（15）Outer edge on be provided with dynamic seal ring.
3. a kind of axial-flow type quick valve applied to impulse wind tunnel according to claim 1, it is characterised in that：Jie
Matter entrance（8）With media outlet（6）Coaxial arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506704.1U CN207421373U (en) | 2017-11-13 | 2017-11-13 | A kind of axial-flow type quick valve applied to impulse wind tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506704.1U CN207421373U (en) | 2017-11-13 | 2017-11-13 | A kind of axial-flow type quick valve applied to impulse wind tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421373U true CN207421373U (en) | 2018-05-29 |
Family
ID=62305918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721506704.1U Active CN207421373U (en) | 2017-11-13 | 2017-11-13 | A kind of axial-flow type quick valve applied to impulse wind tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207421373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163104A (en) * | 2018-10-30 | 2019-01-08 | 大连元利流体技术有限公司 | Saturated vapor valve |
| CN110595720A (en) * | 2019-09-16 | 2019-12-20 | 华中科技大学 | Rapid switch valve device for wind tunnel application and opening method thereof |
| CN114484053A (en) * | 2022-01-26 | 2022-05-13 | 浙江石化阀门有限公司 | Control system of pneumatic stop valve |
-
2017
- 2017-11-13 CN CN201721506704.1U patent/CN207421373U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163104A (en) * | 2018-10-30 | 2019-01-08 | 大连元利流体技术有限公司 | Saturated vapor valve |
| CN110595720A (en) * | 2019-09-16 | 2019-12-20 | 华中科技大学 | Rapid switch valve device for wind tunnel application and opening method thereof |
| CN114484053A (en) * | 2022-01-26 | 2022-05-13 | 浙江石化阀门有限公司 | Control system of pneumatic stop valve |
| CN114484053B (en) * | 2022-01-26 | 2023-10-03 | 浙江石化阀门有限公司 | Control system of pneumatic stop valve |
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