CN207454823U - A kind of expansion valve - Google Patents
A kind of expansion valve Download PDFInfo
- Publication number
- CN207454823U CN207454823U CN201721534463.1U CN201721534463U CN207454823U CN 207454823 U CN207454823 U CN 207454823U CN 201721534463 U CN201721534463 U CN 201721534463U CN 207454823 U CN207454823 U CN 207454823U
- Authority
- CN
- China
- Prior art keywords
- valve body
- shaped rubber
- rubber pneumatic
- valve
- pneumatic bag
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000008676 import Effects 0.000 claims abstract description 5
- 238000001727 in vivo Methods 0.000 claims abstract description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 238000005273 aeration Methods 0.000 abstract description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a kind of expansion valves, and including valve body, valve body is single flow valve body, and valve body has positioned at the import of front side and positioned at the outlet of rear side, wherein, it further includes：The preceding fuisw rib group that is arranged on the front inner wall of valve body, the rear fuisw rib group being arranged on the rear side inner wall of valve body, the valve seat of annular on the middle part inner wall of valve body, and the in vivo U-shaped rubber pneumatic bag of valve is arranged at, and formed between U-shaped rubber pneumatic bag and valve seat soft to hard sealing pair.The flow channels of annular are formed between the valve chamber inner wall and air bag of the utility model, are gradually expanded after airbag aeration, valve body area of passage reduces, and plays the purpose for adjusting flow.Further, since air bag is in the centre of valve chamber, therefore compared with other valves, flow resistance is small, and fluidised form is steady, and regulation performance is more preferable.Simultaneously adjust it is simple and convenient, as long as charge/discharge gas can be achieved with.The utility model is in the external inflation/deflation realized to air bag by the inlet channel on valve body.
Description
Technical field
Technical field more particularly to a kind of expansion valve the utility model is related to valve.
Background technology
The keying of typical case's valve such as common butterfly valve, ball valve, gate valve, shut-off valve is all the rotation by control piece (i.e. flap)
Or move along a straight line what is realized.
Common operated pneumatic valve is to use compressed gas-driven cylinder, and cylinder again will by excessive part (such as crank, valve rod)
Power passes to control piece (flap), forms rotation or linear motion, realizes the keying of valve.This structure is relative complex, effect
Rate is relatively low.
In addition, traditional regulation performance for blocking class valve (such as butterfly valve, ball valve) is poor, adjusting work fundamentally cannot be used
Condition.On the other hand the tightness after its closing of traditional various regulating valves is generally bad.
Utility model content
In view of this, the purpose of this utility model is to provide one kind by compressed gas-driven control piece, pass through control
The expansion valve that the volume change control of part opens and closes.
To achieve these goals, the technical solution that the utility model is taken is：
A kind of expansion valve, including valve body, the valve body be single flow valve body, the valve body have positioned at front side import and
Positioned at the outlet of rear side, wherein, it further includes：The preceding fuisw rib group that is arranged on the front inner wall of the valve body, be arranged at it is described
Rear fuisw rib group on the rear side inner wall of valve body, the annular on the middle part inner wall of the valve body valve seat and be arranged at
The in vivo U-shaped rubber pneumatic bag of valve, and formed between the U-shaped rubber pneumatic bag and the valve seat soft to hard sealing pair.
Above-mentioned expansion valve, wherein, the preceding fuisw rib group and it is described after fuisw rib group using the axis of the valve body as
Center radially distributes, and air bag limit chamber, the U-shaped rubber are formed between the preceding fuisw rib group and the rear fuisw rib group
Air bag is arranged in the air bag limit chamber.
Above-mentioned expansion valve, wherein, the center of the center of the preceding fuisw rib group and the rear fuisw rib group
Preceding retainer ring and rear retainer ring are respectively equipped with, the openend of the U-shaped rubber pneumatic bag and the rear side of the preceding retainer ring fix company
It connects, the blind end of the U-shaped rubber pneumatic bag on front side of the rear retainer ring with being fixedly connected.
Above-mentioned expansion valve, wherein, air inlet, the air inlet and the U-shaped rubber are offered on the side wall of the valve body
The openend of glue air bag is connected.
Above-mentioned expansion valve, wherein, the entrance of the valve body is equipped with deflection cone, the deflection cone and the preceding retainer ring
Front side be threadedly coupled.
Above-mentioned expansion valve, wherein, O-ring seal is equipped between the deflection cone and the preceding retainer ring.
Above-mentioned expansion valve, wherein, the openend of the U-shaped rubber pneumatic bag is equipped with lip, the envelope of the U-shaped rubber pneumatic bag
Closed end is equipped with the fixing bolt through vulcanization one.
Above-mentioned expansion valve, wherein, the lip is embedded in the preceding retainer ring, and the fixing bolt is fixed afterwards with described
Ring is fixedly connected.
Above-mentioned expansion valve, wherein, the U-shaped rubber pneumatic bag is set along the axis of the valve body.
Above-mentioned expansion valve, wherein, the air inlet is connected with compressed gas source.
As a result of above-mentioned technology, the good effect for being allowed to have compared with prior art is the utility model：
(1) expansion by air bag of the utility model is in contact with the valve seat on valve body realizes the closing of valve, valve
It is formed soft to hard sealing pair after closing, between air bag and valve seat, the shape of the adaptive valve seat of rubber pneumatic bag can be made, it is close to paste
It takes in valve base surface, even if the prooving of valve seat or adherency impurity particle, flexible air bag also can guarantee that sealing is tight there are adaptivity
It is close, therefore granule medium is insensitive to containing for the expansion valve of the utility model, can adapt to various impure media.
(2) flow channels of annular are formed between the valve chamber inner wall and air bag of the utility model, after airbag aeration gradually
Expansion, valve body area of passage reduce, and play the purpose for adjusting flow.Further, since air bag is in the centre of valve chamber, in addition
Deflection cone is equipped at valve inlet, therefore compared with other valves, flow resistance is small, fluidised form is steady, and regulation performance is more preferable.It adjusts simultaneously
It is simple and convenient, as long as charge/discharge gas can be achieved with.
(3) the utility model realizes valve opening and closing as a result of the mode of charge/discharge gas, therefore the keying speed of valve can
With step-less adjustment, and the amplitude of accommodation can be very big, can very slow or very fast keying in fact.This is that conventional valves can not be real
Existing.
(4) compared to conventional valves, regulatory function and break-in facility are combined by the expansion valve of the utility model, realize one
Valve is mostly used, while simple in structure, and working service is convenient, dependable performance.
Description of the drawings
Fig. 1 is the opening front sectional view of the expansion valve of the utility model.
Fig. 2 is the closed state front sectional view of the expansion valve of the utility model.
Fig. 3 is the side view of the expansion valve of the utility model.
In attached drawing：1st, valve body；11st, import；12nd, export；13rd, valve seat；14th, air inlet；15th, inlet channel；2nd, preceding water conservancy diversion
Muscle group；21st, preceding retainer ring；22nd, O-ring seal；3rd, rear fuisw rib group；31st, rear retainer ring；4th, U-shaped rubber pneumatic bag；41st, lip；
42nd, fixing bolt；5th, deflection cone；51st, inlet channel.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
Fig. 1 is the opening front sectional view of the expansion valve of the utility model, and Fig. 2 is the expansion valve of the utility model
Closed state front sectional view, Fig. 3 are the side views of the expansion valve of the utility model, wherein, the unidirectional arrow in Fig. 1 represents to be situated between
Mass flow is to the four-headed arrow in Fig. 3 represents the inflation/deflation direction of a compressed gas source, refers to shown in Fig. 1 to Fig. 3, shows one
The expansion valve of kind preferred embodiment, including valve body 1, valve body 1 is single flow valve body, and valve body 1 has 11 He of import positioned at front side
Positioned at the outlet of rear side 12.A kind of expansion valve of preferred embodiment further includes：The preceding water conservancy diversion being arranged on the front inner wall of valve body 1
Muscle group 2, the rear fuisw rib group 3 being arranged on the rear side inner wall of valve body 1, the annular valve seat on the middle part inner wall of valve body 1
13 and the U-shaped rubber pneumatic bag 4 that is arranged in valve body 1, and formed between U-shaped rubber pneumatic bag 4 and valve seat 13 soft to hard close
Envelope is secondary.
Further, as a kind of preferred embodiment, refer to shown in Fig. 1, Fig. 2, the U-shaped rubber pneumatic bag as control piece
4 longitudinal section takes the shape of the letter U, the one end open of U-shaped rubber pneumatic bag 4, other end closing.U-shaped rubber pneumatic bag 4 is arranged in valve body 1
Center.
In addition, as a kind of preferred embodiment, preceding fuisw rib group 2 and rear fuisw rib group 3 are using the axis of valve body 1 in
The heart radially distributes, and air bag limit chamber is formed between preceding fuisw rib group 2 and rear fuisw rib group 3, and U-shaped rubber pneumatic bag 4 is arranged at
In air bag limit chamber.
Further, include several being in triangle as a kind of preferred embodiment, preceding fuisw rib group 2 and rear fuisw rib group 3
Each fuisw rib of the fuisw rib of shape, each fuisw rib of preceding fuisw rib group 2 and rear fuisw rib group 3 is facing each other, the inner wall with valve body 1
Air bag limit chamber is collectively formed, position-limiting action is played to U-shaped rubber pneumatic bag 4, prevents that U-shaped rubber pneumatic bag 4 from excessively being inflated.This
Outside, fuisw rib also plays an important role of that dredging the fluid for flowing through valve body 1 does not generate flow-disturbing and the work of following support retainer rings
With.
In addition, as a kind of preferred embodiment, the centre bit of the center of preceding fuisw rib group 2 and rear fuisw rib group 3
Put and be respectively equipped with preceding retainer ring 21 and rear retainer ring 31, the openend of U-shaped rubber pneumatic bag 4 in the form of card slot with preceding retainer ring 21
Rear side be fixedly connected, the blind end of U-shaped rubber pneumatic bag 4 is fixedly connected with the front side of rear retainer ring 31.
On the other hand, as a kind of preferred embodiment, continuing with shown in Figure 3, offered on the side wall of valve body 1 into
Gas port 14, air inlet 14 are connected with the openend of U-shaped rubber pneumatic bag 4.
Further, as a kind of preferred embodiment, one end of air inlet 14 and inlet channel 15 on the side wall of valve body 1
It is connected, the other end of inlet channel 15 is communicated with the inlet channel 51 on deflection cone 5, and deflection cone inlet channel 51 and U-shaped
The opening of rubber pneumatic bag 4 is connected, and U-shaped rubber pneumatic bag 4 is carried out by air inlet 14 and inlet channel 15 and inlet channel 51
It is inflated for deflated.
The foregoing is merely the utility model preferred embodiment, not thereby limit the utility model embodiment and
Protection domain.
The utility model also has on the basis of the above is implemented as follows mode：
In the further embodiment of the utility model, led continuing with referring to shown in Fig. 1 to Fig. 3, the entrance of valve body 1 is equipped with
Flow cone 5, deflection cone 5 are threadedly coupled with the front side of preceding retainer ring 21.Deflection cone 5 plays an important role of to reduce flow resistance.
In the further embodiment of the utility model, the front side of deflection cone 5 is taper, and the rear side of deflection cone 5 has one to lead
Flow cone slot offers the inlet channel 51 being connected with inlet channel 15 on the inner wall of deflection cone slot.
In the further embodiment of the utility model, O-ring seal 22 is equipped between deflection cone 5 and preceding retainer ring 21.It is logical
O-ring seal 22 is crossed to completely cut off the inner cavity of U-shaped rubber pneumatic bag 4 and valve cavity.
In the further embodiment of the utility model, the openend of U-shaped rubber pneumatic bag 4 is equipped with lip 41, U-shaped rubber pneumatic bag
4 blind end is equipped with the fixing bolt 42 through vulcanization one.
In the further embodiment of the utility model, before lip 41 is embedded in retainer ring 21, fixing bolt 42 is fixed with rear
Ring 31 is fixedly connected.Specifically, annular groove is offered on the inner wall of preceding retainer ring 21, lip 41 is embedded in annular groove, deflection cone 5
Outer wall and the inner wall of lip 41 fit, lip 41 is compressed.The fixation to U-shaped rubber pneumatic bag 4 is so not only played,
The sealing between 4 inside of U-shaped rubber pneumatic bag and valve chamber is accomplished simultaneously.
In the further embodiment of the utility model, U-shaped rubber pneumatic bag 4 is set along the axis of valve body 1.Due to U-shaped rubber
For air bag 4 from the centre in valve chamber, therefore compared with other valves, flow resistance is small, and fluidised form is steady, and regulation performance is more preferable.Together
When adjust it is simple and convenient, as long as charge/discharge gas can be achieved with.
In the further embodiment of the utility model, air inlet 14 is connected with compressed gas source.Compressed gas source is to U-shaped
Rubber pneumatic bag 4 is inflated realization and closes valve.
In the further embodiment of the utility model, annular is formed between the valve chamber inner wall of valve body 1 and U-shaped rubber pneumatic bag 4
Flow channels, gradually expanded after U-shaped rubber pneumatic bag 4 is inflated, the area of passage of valve body 1 reduces, and plays the mesh for adjusting flow
's.
In the further embodiment of the utility model, when U-shaped rubber pneumatic bag 4 inflation to the valve seat on valve body 1
13 when being in contact, and expansion valve is achieved that closing, formed between U-shaped rubber pneumatic bag 4 and valve seat 13 it is soft to hard sealing pair, due to
Compressed gas is full of in U-shaped rubber pneumatic bag 4, enables the shape of the adaptive valve seat 13 of U-shaped rubber pneumatic bag 4 of rubber material, tightly
Thickly docile is in the surface of valve seat 13, even if valve seat 13 wears or adhere to impurity particle, flexible U-shaped rubber pneumatic bag 4 has certainly
Adaptability can also ensure that sealing is tight.
The foregoing is merely the utility model preferred embodiment, not thereby limit the utility model embodiment and
Protection domain to those skilled in the art, should can appreciate that all in the utility model specification and diagram
Hold made equivalent substitution and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (10)
1. a kind of expansion valve, including valve body, the valve body is single flow valve body, and the valve body has the import and position positioned at front side
In the outlet of rear side, which is characterized in that further include：The preceding fuisw rib group that is arranged on the front inner wall of the valve body is arranged at
The valve seat of rear fuisw rib group on the rear side inner wall of the valve body, the annular on the middle part inner wall of the valve body, Yi Jishe
The in vivo U-shaped rubber pneumatic bag of the valve is placed in, and is formed between the U-shaped rubber pneumatic bag and the valve seat soft to hard sealing
It is secondary.
2. expansion valve according to claim 1, which is characterized in that the preceding fuisw rib group and it is described after fuisw rib group with
It radially distributes centered on the axis of the valve body, air bag limit is formed between the preceding fuisw rib group and the rear fuisw rib group
Position chamber, the U-shaped rubber pneumatic bag are arranged in the air bag limit chamber.
3. expansion valve according to claim 2, which is characterized in that the center of the preceding fuisw rib group and it is described after lead
The center of stream muscle group is respectively equipped with preceding retainer ring and rear retainer ring, the openend of the U-shaped rubber pneumatic bag with it is described preceding solid
Determine to be fixedly connected on rear side of ring, the blind end of the U-shaped rubber pneumatic bag on front side of the rear retainer ring with being fixedly connected.
4. expansion valve according to claim 3, which is characterized in that air inlet is offered on the side wall of the valve body, it is described
Air inlet is connected with the openend of the U-shaped rubber pneumatic bag.
5. expansion valve according to claim 4, which is characterized in that the entrance of the valve body is equipped with deflection cone, described to lead
Flow cone is threadedly coupled with the front side of the preceding retainer ring.
6. expansion valve according to claim 5, which is characterized in that O is equipped between the deflection cone and the preceding retainer ring
Type sealing ring.
7. expansion valve according to claim 4, which is characterized in that the openend of the U-shaped rubber pneumatic bag is equipped with lip, institute
The blind end for stating U-shaped rubber pneumatic bag is equipped with the fixing bolt through vulcanization one.
8. expansion valve according to claim 7, which is characterized in that the lip is embedded in the preceding retainer ring, described solid
Determine bolt to be fixedly connected with the rear retainer ring.
9. expansion valve according to claim 4, which is characterized in that the U-shaped rubber pneumatic bag is set along the axis of the valve body
It puts.
10. expansion valve according to claim 4, which is characterized in that the air inlet is connected with compressed gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721534463.1U CN207454823U (en) | 2017-11-16 | 2017-11-16 | A kind of expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721534463.1U CN207454823U (en) | 2017-11-16 | 2017-11-16 | A kind of expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454823U true CN207454823U (en) | 2018-06-05 |
Family
ID=62279921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721534463.1U Expired - Fee Related CN207454823U (en) | 2017-11-16 | 2017-11-16 | A kind of expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883009A (en) * | 2017-11-16 | 2018-04-06 | 凯泰阀门(集团)有限公司 | A kind of expansion valve |
| CN110425312A (en) * | 2019-07-30 | 2019-11-08 | 辽宁工程技术大学 | A kind of air conditioning shape threeway rectifying valve |
-
2017
- 2017-11-16 CN CN201721534463.1U patent/CN207454823U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883009A (en) * | 2017-11-16 | 2018-04-06 | 凯泰阀门(集团)有限公司 | A kind of expansion valve |
| CN110425312A (en) * | 2019-07-30 | 2019-11-08 | 辽宁工程技术大学 | A kind of air conditioning shape threeway rectifying valve |
| CN110425312B (en) * | 2019-07-30 | 2020-11-17 | 辽宁工程技术大学 | Air-conditioning type three-way rectifier valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |