CN208397330U - A kind of flow control valve of good airproof performance - Google Patents
A kind of flow control valve of good airproof performance Download PDFInfo
- Publication number
- CN208397330U CN208397330U CN201820089693.XU CN201820089693U CN208397330U CN 208397330 U CN208397330 U CN 208397330U CN 201820089693 U CN201820089693 U CN 201820089693U CN 208397330 U CN208397330 U CN 208397330U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- valve
- flow control
- good airproof
- airproof performance
- 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
- 230000006837 decompression Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000007701 flash-distillation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
A kind of flow control valve of good airproof performance of the utility model, opening and closing is lower flow channel on the downside of mouth, it is upper runner on the upside of the opening and closing mouth, first sleeve is provided in the upper runner, the valve seat is set to inside the first sleeve and can move up and down along the first sleeve, second sleeve is connected on the downside of the valve seat, the second sleeve lower end is passed through by the opening and closing mouth and is connected with valve plate, the first sleeve includes upper shell and lower shell, the lower shell side wall is equipped with several discharge orifices, the second sleeve side wall is equipped with several metering holes, middle part is provided with the mechanism of decompressor in the second sleeve, 3rd sleeve is equipped between the first sleeve and the second sleeve, the 3rd sleeve inner sidewall contacts at the second sleeve lateral wall, the valve plate can be inconsistent with the opening and closing mouth, it is a kind of convenient for coutroi velocity The flow control valve of good airproof performance.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of flow control valve of good airproof performance.
Background technique
Valve is the control unit in pipeline fluid conveying system, it is for changing access section and media flow side
To having the function of water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release etc., valve currently on the market, because of material and manufacture
The reason of technical aspect, various problems can all occurs in use for some time, and if sealing effect is bad, fluid seepage etc. is existing
As the reason is that water flow increased dramatically by the flow velocity in face when valve is closed, it is easy to phenomena such as flash distillation, cavitation erosion occur, to opening and closing
Part etc. damages, and valve tightness is caused to reduce, and it is high that the patent of Publication No. CN2205956421U discloses a kind of leakproofness
Valve part, in sealing ring increase throttling through-hole, valve close when, the impact of fluid media (medium) can be weakened, utilize annular
The cooperation of boss and annular groove improves valve tightness, but has a disadvantage in that and can not accurately adjust water flow, and the structure
In throttling through-hole is opened up on sealing ring, flap pressure act on lower seal unbalance stress, be easy to make sealed ring deformation, though
Phenomena such as so avoiding flash distillation, cavitation erosion, but it is unfavorable for the leakproofness of valve.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of good airproof performance convenient for coutroi velocity
Flow control valve.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of flow control valve of good airproof performance, including valve body and valve deck, the valve body is interior to be equipped with opening and closing mouth, the valve
Lid internal screw thread is engaged with valve rod, and the valve rod lower end is connected with valve seat, is lower flow channel on the downside of the opening and closing mouth, on the opening and closing mouth
Side is upper runner, and first sleeve is provided in the upper runner, and the valve seat is set to inside the first sleeve and can be along institute
It states first sleeve to move up and down, is connected with second sleeve on the downside of the valve seat, the second sleeve lower end is worn by the opening and closing mouth
Valve plate is crossed and is connected with, the first sleeve includes upper shell and lower shell, and the lower shell side wall is equipped with several discharge orifices,
The second sleeve side wall is equipped with several metering holes, and middle part is provided with the mechanism of decompressor, the first set in the second sleeve
3rd sleeve is equipped between cylinder and the second sleeve, the 3rd sleeve inner sidewall contacts at the second sleeve lateral wall,
The valve plate can be inconsistent with the opening and closing mouth.
In the flow control valve of above-mentioned good airproof performance, further, the outer diameter of the upper shell and the lower shell
Unanimously, the internal diameter of the upper shell is greater than the internal diameter of the lower shell.
In the flow control valve of above-mentioned good airproof performance, further, the mechanism of decompressor includes disposed in parallel
Several decompression mouths are staggeredly equipped on one baffle and second baffle, the first baffle and the second baffle.
In the flow control valve of above-mentioned good airproof performance, further, the metering hole includes being located at the negative booster
The first metering hole on the downside of structure and the second metering hole on the upside of the mechanism of decompressor, first metering hole, described second
The position of metering hole and the discharge orifice is consistent with size.
In the flow control valve of above-mentioned good airproof performance, further, annulate lamella, the ring are connected on the upside of the valve seat
Board width is consistent with the difference in internal diameters of the upper shell and the lower shell, and the 3rd sleeve upper end is connected under the ring flat-plate
Side, the 3rd sleeve lower end are connected to the lower shell upper end.
In the flow control valve of above-mentioned good airproof performance, further, the 3rd sleeve is broken line made of rubber
Shape tube structure.
In the flow control valve of above-mentioned good airproof performance, further, several bulge loops are coaxially connected on the valve plate,
Offer the second annular groove matched on the valve body above the bulge loop, the bulge loop inlay card in second annular groove,
The first annular groove matched is offered on the valve deck above the first sleeve, first sleeve upper end inlay card is in described
In first annular groove, the first sleeve lower end is connected in the valve body.
In the flow control valve of above-mentioned good airproof performance, further, between the bulge loop and second annular groove, institute
State between second sleeve and the opening and closing mouth, between the upper shell upper end and first annular groove, the ring flat-plate and it is described on
Sealing ring is respectively equipped between cylinder inboard wall.
In the flow control valve of above-mentioned good airproof performance, further, the valve rod upper end is worn by the valve deck upper end
Out and it is connected with handwheel, the valve rod is equipped with scale.
The advantages and positive effects of the utility model are as follows:
1. the second sleeve of the utility model setting can move up and down under the drive of valve rod, can be according on valve rod
Scale adjusts the distance that second sleeve moves down, and second sleeve moves down bigger, the number for the first metering hole being connected to lower flow channel of distance
Amount is more, and the flow for flowing into upper runner is bigger, otherwise the flow for flowing into upper runner is smaller, easy to operate, convenient and efficient；
2. the utility model closes valve in such a way that valve plate moves up, during valve plate moves up, water flow can pass through first
Metering hole is tentatively slowed down, and is flowed through the mechanism of decompressor in second sleeve and is carried out secondary speed-reducing, can effectively reduce due to valve by
Increased dramatically for flow rate of water flow caused by gradually closing, avoids damage caused by water impact；
3. several inlay cards of the utility model setting in the bulge loop in the second annular groove, are conducive to improve close when valve is closed
Feng Xing, the 3rd sleeve of setting advantageously ensure that the leakproofness of second sleeve, and the upper end inlay card of setting is in the first of the first annular groove
Sleeve advantageously ensures that the leakproofness between valve rod and valve deck, avoids water flow from being oozed out by the gap between valve rod and valve deck, favorably
In raising leakproofness comprehensively.
Detailed description of the invention
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still
It should be known that these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition,
Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale
It draws.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of second sleeve in the utility model；
Fig. 3 is the structural schematic diagram of first sleeve in the utility model；
Fig. 4 is the structural schematic diagram of first baffle in the utility model；
Fig. 5 is the structural schematic diagram of second baffle in the utility model；
Fig. 6 is the structural schematic diagram under the utility model valve closed state.
In figure:
1, valve body, 2. valve decks, 3. valve rods, 4. handwheels, 5. lower flow channels, 6. upper runners, 7. first annular grooves, 8. first sleeves,
9. upper shell, 10, lower shell, 11. discharge orifices, 12. second sleeves, 13. valve plates, 14. bulge loops, 15. second annular grooves, 16. first
Metering hole, 17. second metering holes, 18. first baffles, 19. second baffles, 20. decompression mouths, 21. valve seats, 22. ring flat-plates, 23. the
Three sleeves, 24. scales.
Specific embodiment
Firstly, it is necessary to which explanation, illustrates the stream of the good airproof performance of the utility model for by way of example below
Specific structure, features and advantages of adjustable valve door etc., however what all descriptions were intended merely to be illustrated, without should be by it
It is interpreted as forming any restrictions to the utility model.In addition, what is be described by or imply in each embodiment mentioned by this paper appoints
It anticipates single technical characteristic, or shown or implicit any single technical characteristic in the drawings, it still can be in these technologies
Continue any combination between feature (or its equivalent) or delete, to obtain the sheet that may do not referred to directly herein
More other embodiments of utility model.For the sake of simplifying drawing, same or like technical characteristic is in the same figure
It may only be indicated at one.
In the description of the present invention, it should be noted that term "inner", "outside", "upper", " in ", it is "lower", " same
The orientation or positional relationship of the instructions such as axis ", " parallel " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention, in addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.
The utility model is described in further detail now in conjunction with attached drawing, these attached drawings are simplified schematic diagram, only
Illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As shown in figs 1 to 6, a kind of flow control valve of good airproof performance, including valve body 1 and valve deck 2 are equipped in valve body 1
Mouth is opened and closed, 2 internal screw thread of valve deck is engaged with valve rod 3, and it is lower flow channel 5, opening and closing on the downside of opening and closing mouth that 3 lower end of valve rod, which is connected with valve seat 21,
It is upper runner 6 on the upside of mouthful, first sleeve 8 is provided in upper runner 6, valve seat 21 is set to 8 inside of first sleeve and can be along first
Sleeve 8 moves up and down, and second sleeve 12 is connected on the downside of valve seat 21, and 12 lower end of second sleeve is passed through by opening and closing mouth and is connected with valve
Plate 13, first sleeve 8 include upper shell 9 and lower shell 10, and 10 side wall of lower shell is equipped with several discharge orifices 11, second sleeve 12
Side wall is equipped with several metering holes, and middle part is provided with the mechanism of decompressor in second sleeve 12, and lower flow channel 5 passes through metering hole and discharge orifice
The connection with upper runner 6 is realized in 11 connection, and 3rd sleeve 23,3rd sleeve are equipped between first sleeve 8 and second sleeve 12
23 inner sidewalls contact at 12 lateral wall of second sleeve, and valve plate 13 can be inconsistent with opening and closing mouth.
Upper shell 9 is consistent with the outer diameter of lower shell 10, and the internal diameter of upper shell 9 is greater than the internal diameter of lower shell 10, the mechanism of decompressor
Including first baffle 18 disposed in parallel and second baffle 19, several decompressions are staggeredly equipped on first baffle 18 and second baffle 19
Mouthfuls 20, the decompression mouth 20 in the present embodiment is strip-shaped hole, and metering hole includes 16 He of the first metering hole on the downside of the mechanism of decompressor
The second metering hole 17 on the upside of the mechanism of decompressor, position and the ruler of the first metering hole 16, the second metering hole 17 and discharge orifice 11
It is very little consistent, annulate lamella 22 is connected on the upside of valve seat 21,22 width of ring flat-plate is consistent with the difference in internal diameters of upper shell 9 and lower shell 10,
23 upper end of 3rd sleeve is connected to 22 downside of ring flat-plate, and 23 lower end of 3rd sleeve is connected to 10 upper end of lower shell, and 3rd sleeve 23 is
Fold-line-shaped tube structure made of rubber is coaxially connected with several bulge loops 14 on valve plate 13, opens up on the valve body 1 of 14 top of bulge loop
There is the second annular groove 15 matched, 14 inlay card of bulge loop offers phase on the valve deck 2 of 8 top of first sleeve in the second annular groove 15
First annular groove 7 of cooperation, in the first annular groove 7,8 lower end of first sleeve is connected in valve body 18 upper end inlay card of first sleeve, convex
Between ring 14 and the second annular groove 15, between second sleeve 12 and opening and closing mouth, between 9 upper end of upper shell and the first annular groove 7, ring flat-plate 22
It is respectively equipped with sealing ring between 9 inner wall of upper shell, 3 upper end of valve rod is pierced by by 2 upper end of valve deck and is connected with handwheel 4, on valve rod 3
Equipped with scale 24.
When installation, lower flow channel 5 is connected to water inlet one end, and upper runner 6 is connected to water outlet one end, in use, rotation handwheel 4,
It rotates valve rod 3 and valve seat 21 is driven to move up and down, valve rod 3 gradually moves up, and valve progressively closes off, and valve rod 3 gradually moves down, valve
It gradually opens, the scale on valve rod 3 is used to show the degree of valve opening and closing, and when valve is in close state, valve plate 13 is contacted at
It opens and closes on the downside of mouth, 14 inlay card of bulge loop is in the second annular groove 15, and second sleeve 12 is located inside first sleeve 8,3rd sleeve 23
Fold-line-shaped structure is stretched, and the height of 3rd sleeve 23 at this time is maximum, and when valve is gradually opened, valve seat 21 is along 9 inner wall of upper shell
It moves down, the fold-line-shaped structure of third cylinder 23 is compressed, and the height of 3rd sleeve 23 gradually decreases, and second sleeve 12 is along opening and closing mouth
It moves down, valve plate 13 moves down therewith, and lower flow channel 5 at this time is connected to by the first metering hole 16 with lower part in second sleeve 12, passes through
12 internal upper part of second sleeve, second sleeve are smoothly flowed into after the decompression mouth 20 that second baffle 19 and first baffle 18 are staggered
12 internal upper parts realize the connection with upper runner 6 by the connection of the second metering hole 17 and discharge orifice 11, and valve opening is bigger, second
The length that lower flow channel 5 is protruded into 12 lower part of sleeve is longer, and the quantity for the first metering hole 16 being connected to lower flow channel 5 is more, in inflow
The flow of runner 6 is bigger, when second sleeve 12 is displaced downwardly to the mechanism of decompressor and opening and closing open height maintains an equal level, maximum flow at this time,
When valve progressively closes off, the quantity for the first metering hole 16 being connected to lower flow channel 5 is gradually decreased, and the pressure of water flow becomes larger, warp
It crosses the first metering hole 16 tentatively to be slowed down, flows through the mechanism of decompressor and carry out secondary speed-reducing, can effectively reduce since valve gradually closes
Increased dramatically for flow rate of water flow caused by closing, avoids damage caused by water impact.
It should be noted that unless otherwise clearly defined and limited, the connection type in the utility model is using existing
The conventional means such as mature bolt, rivet, welding in technology, details are not described herein, but will not influence ability due to the above reasons,
The repetition of field technique personnel.
The second sleeve of the present embodiment setting can move up and down under the drive of valve rod, can be according to the scale on valve rod
Adjust the distance that moves down of second sleeve, second sleeve moves down that distance is bigger, and the quantity for the first metering hole being connected to lower flow channel is got over
More, the flow for flowing into upper runner is bigger, otherwise the flow for flowing into upper runner is smaller, easy to operate, convenient and efficient.
The utility model is described in detail in above embodiments, but the content is only the preferable reality of the utility model
Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model
Variation and improvement etc., should still belong within the patent covering scope of the utility model.
Claims (9)
1. a kind of flow control valve of good airproof performance, including valve body and valve deck, the valve body is interior to be equipped with opening and closing mouth, the valve deck
Internal screw thread is engaged with valve rod, and the valve rod lower end is connected with valve seat, it is characterised in that: is lower flow channel, institute on the downside of the opening and closing mouth
Stating on the upside of opening and closing mouth is upper runner, is provided with first sleeve in the upper runner, the valve seat is set in the first sleeve
Portion can simultaneously be moved up and down along the first sleeve, be connected with second sleeve on the downside of the valve seat, the second sleeve lower end is by institute
It states opening and closing mouth and passes through and be connected with valve plate, the first sleeve includes upper shell and lower shell, and the lower shell side wall is equipped with
Several discharge orifices, the second sleeve side wall are equipped with several metering holes, and middle part is provided with the mechanism of decompressor in the second sleeve,
3rd sleeve is equipped between the first sleeve and the second sleeve, the 3rd sleeve inner sidewall contacts at described second set
Cylinder lateral wall, the valve plate can be inconsistent with the opening and closing mouth.
2. a kind of flow control valve of good airproof performance according to claim 1, it is characterised in that: the upper shell and institute
The outer diameter for stating lower shell is consistent, and the internal diameter of the upper shell is greater than the internal diameter of the lower shell.
3. a kind of flow control valve of good airproof performance according to claim 1, it is characterised in that: the mechanism of decompressor packet
First baffle and second baffle disposed in parallel are included, is staggeredly equipped with several decompressions on the first baffle and the second baffle
Mouthful.
4. a kind of flow control valve of good airproof performance according to claim 1, it is characterised in that: the metering hole includes
The first metering hole on the downside of the mechanism of decompressor and the second metering hole on the upside of the mechanism of decompressor, first limit
The position of discharge orifice, second metering hole and the discharge orifice is consistent with size.
5. a kind of flow control valve of good airproof performance according to claim 1, it is characterised in that: connect on the upside of the valve seat
It is connected to ring flat-plate, the ring flat-plate width is consistent with the difference in internal diameters of the upper shell and the lower shell, the 3rd sleeve upper end
It is connected on the downside of the ring flat-plate, the 3rd sleeve lower end is connected to the lower shell upper end.
6. a kind of flow control valve of good airproof performance according to claim 1, it is characterised in that: the 3rd sleeve is
Fold-line-shaped tube structure made of rubber.
7. a kind of flow control valve of good airproof performance according to claim 5, it is characterised in that: coaxial on the valve plate
Be connected with several bulge loops, offer the second annular groove matched on the valve body above the bulge loop, the bulge loop inlay card in
In second annular groove, the first annular groove matched, the first set are offered on the valve deck above the first sleeve
In in first annular groove, the first sleeve lower end is connected in the valve body cylinder upper end inlay card.
8. a kind of flow control valve of good airproof performance according to claim 7, it is characterised in that: the bulge loop with it is described
Between second annular groove, between the second sleeve and the opening and closing mouth, between the upper shell upper end and first annular groove, institute
It states and is respectively equipped with sealing ring between ring flat-plate and the upper shell inner wall.
9. a kind of flow control valve of good airproof performance according to claim 1, it is characterised in that: the valve rod upper end by
The valve deck upper end is pierced by and is connected with handwheel, and the valve rod is equipped with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089693.XU CN208397330U (en) | 2018-01-19 | 2018-01-19 | A kind of flow control valve of good airproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089693.XU CN208397330U (en) | 2018-01-19 | 2018-01-19 | A kind of flow control valve of good airproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397330U true CN208397330U (en) | 2019-01-18 |
Family
ID=65067181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820089693.XU Expired - Fee Related CN208397330U (en) | 2018-01-19 | 2018-01-19 | A kind of flow control valve of good airproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345802A (en) * | 2019-07-22 | 2019-10-18 | 济南顾邦信息科技有限公司 | A kind of continuously adjustable connector of new-energy automobile coolant rate |
-
2018
- 2018-01-19 CN CN201820089693.XU patent/CN208397330U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345802A (en) * | 2019-07-22 | 2019-10-18 | 济南顾邦信息科技有限公司 | A kind of continuously adjustable connector of new-energy automobile coolant rate |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |