CN206409735U - A kind of multi-stage sleeve regulating valve for being depressured noise reduction - Google Patents
A kind of multi-stage sleeve regulating valve for being depressured noise reduction Download PDFInfo
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- CN206409735U CN206409735U CN201720094953.8U CN201720094953U CN206409735U CN 206409735 U CN206409735 U CN 206409735U CN 201720094953 U CN201720094953 U CN 201720094953U CN 206409735 U CN206409735 U CN 206409735U
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- sleeve
- valve
- noise reduction
- groove
- support chamber
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Abstract
The utility model discloses a kind of multi-stage sleeve regulating valve for being depressured noise reduction, belong to regulating valve equipment technical field.The multi-stage sleeve regulating valve decompression of prior art, anti-acoustic capability are poor, the utility model includes the valve body for media flow, the valve seat located at valve inner, is installed on valve inner and the valve plug that forms the sleeve of cavity with valve seat and can be reciprocatingly slided in sleeve, the sleeve lateral wall opens up in groove, the groove and opens up through hole.Sleeve lateral wall opens up groove can effectively improve the flow resistance of sleeve on the premise of identical series, reduce the impulsive force of medium, reduce the flowing pressure and flow noise of medium, and then improve assistant series in a kind of relatively inexpensive mode.
Description
Technical field
The utility model is related to a kind of multi-stage sleeve regulating valve for being depressured noise reduction, belongs to regulating valve equipment technical field.
Background technology
Existing multi-stage sleeve regulating valve is mainly made up of critical pieces such as valve body, bonnet, multi-stage sleeve, valve plug, valve rods.It is logical
Normal multi-stage sleeve is designed to open up multiple apertures in 2-3 grades, every grade of sleeve wall, due in structure, it is adaptable to which pressure difference is not
Very big or noise requirements not bery high operating mode occasion, it is a kind of Eco-power decompression, noise reduction valve.The multistage set of prior art
There is problems with and shortcoming in cylinder regulating valve:
If 1. regulating valve were designed to 4 grades or more than 4 grades, its multi-stage sleeve appearance and size and labyrinth disc regulating valve
It is close, but it is not so good as labyrinth valve in decompression, anti-acoustic capability, and input cost is high, loses economy, is limited using scope
System;
2. when the downstream pressure of High Pressure Difference is dropped to close to atmospheric pressure, the 2-3 level sleeve adjusting valves of prior art are difficult
Complete;
If 3. when medium is high pressure difference gas or steam, 2-3 grades of sleeve adjusting valve noises can be higher;
4. because the every row hole drilling of every grade of sleeve is horizontal distribution, the continuity of Flow-rate adjustment is bad, influences the stream of valve
Rating curve.
Utility model content
For the defect of prior art, the purpose of this utility model is to improve stream on the premise of providing a kind of same series
Resistance, assistant series are improved under the premise of same specification, improve being effectively depressured of distribution of boreholes mode, noise reduction, and input cost is low
Beneficial to the multi-stage sleeve regulating valve of continuous flow regulation.
To achieve the above object, the technical solution of the utility model is:
A kind of multi-stage sleeve regulating valve for being depressured noise reduction, including for the valve body of media flow, the valve seat located at valve inner,
It is installed on valve inner and the valve plug that forms the sleeve of cavity with valve seat and can be reciprocatingly slided in sleeve, the sleeve lateral wall
Open up in groove, the groove and open up through hole.Sleeve lateral wall opens up groove can effectively improve set on the premise of identical series
The flow resistance of cylinder, reduces the impulsive force of medium, reduces the flowing pressure and flow noise of medium, and then with a kind of relatively inexpensive
Mode improves assistant series.
Further, the groove coil is arranged in sleeve lateral wall, and the through hole spiral is arranged in groove.Through hole spiral
Arrangement so that medium is more easy to outflow, and beneficial to continuous flow regulation, improved distribution of boreholes mode enables to media flow vapour
Pressure evenly spreads to the whole side wall of sleeve, so can effectively be depressured, noise reduction.
Further, the sleeve includes being arranged in the first sleeve of lateral wall, the second sleeve for being depressured noise reduction, the
Three sleeves, medium sequentially passes through three sleeves, can effectively reduce the flowing vapour pressure of medium.
Further, the second sleeve, 3rd sleeve lateral wall open up spiralling groove, described second set respectively
The groove of cylinder and the groove interval dislocation of 3rd sleeve are arranged.It can also open up recessed simultaneously in the madial wall and lateral wall of sleeve
Groove, can farthest increase flow resistance, reduce the flowing pressure and flow noise of medium.
Further, the valve seat is used to increase the valve support chamber of flow resistance including some, and some valve support chambers are set in together.It is situated between
When mass flow goes out, some valve support chambers are sequentially passed through, the flowing vapour pressure of medium can be effectively reduced.
Further, the valve support chamber includes the first valve support chamber, the second valve support chamber, first valve support chamber, the second valve seat
Chamber side wall opens up some tap holes, the tap hole of first valve support chamber and the tap hole interval dislocation cloth of the second valve support chamber respectively
Put.
Further, the valve seat chamber inner sidewall opens up the recess of spiral decline, and the recess is provided with the stream of screw arrangement
Portal.Recess can also be opened up simultaneously in the madial wall and lateral wall of valve support chamber, can farthest increase flow resistance, reduction is situated between
The flowing pressure and flow noise of matter.
Further, the recess interval dislocation arrangement of the recess of the first valve support chamber and the second valve support chamber, increases the stream of medium
Dynamic resistance, reduces the flowing pressure of medium.
Further, the valve plug is provided with the stopper for being used for blocking sleeve through hole, and the stopper is hollow cavity, its upper end
It is connected with a valve rod.Stopper is that hollow cavity can reduce the weight of stopper, reduces the acting of driving source, saves manufacture material
Material.
Further, the stopper is provided with the sealing slide assemblies for being used for being slidably matched with sleeve seal, and the sealing is slided
Dynamic component includes being used for sealed sealing ring, the guide ring for limiting valve plug sliding scale, support ring.
Compared with prior art, the utility model has the advantages that:
Sleeve lateral wall of the present utility model opens up groove can effectively improve the flow resistance of sleeve on the premise of identical series,
The impulsive force of medium is reduced, the flowing pressure and flow noise of medium is reduced, and then is improved in a kind of relatively inexpensive mode
Assistant series, input cost is low.
The utility model through hole screw arrangement so that medium is more easy to outflow, beneficial to continuous flow regulation, improved drilling point
Mode for cloth and spiral helicine groove, enable to media flow vapour pressure to evenly spread to the whole side wall of sleeve, and then can
Effective decompression, noise reduction.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the sealing slide assemblies structural representation at A in Fig. 1;
Fig. 3 is the utility model sleeve and valve plug configurations schematic diagram;
Fig. 4 is the utility model groove and through hole Spiral distribution schematic diagram.
Description of reference numerals:
1- valve bodies, 2- valve seats, the metal wound gaskets of 3- first, 4- sleeves, 5- valve plugs, 6- straight pins, the winding of the metals of 7- second
Pad, 8- bonnets, 9- full thread studs, the hex nuts of 10- first, 11- valve rods, 12- Packing seats, 13- spacer rings, 14- fillers, 15-
Gland, 16- studs, the hex nuts of 17- second, 18- guide rings, 19- sealing rings, 20- support rings, 21- tap holes,
The sleeves of 41- first, 42- second sleeves, 43- 3rd sleeves, 44- grooves, 45- through holes.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
On the contrary, the utility model cover it is any be defined by the claims do in spirit and scope of the present utility model
Replacement, modification, equivalent method and scheme.Further, it is right below in order that the public has a better understanding to the utility model
It is detailed to describe some specific detail sections in detailed description of the present utility model.Do not have for a person skilled in the art
The description of these detail sections can also understand the utility model completely.
As shown in Fig. 1-2, it is a kind of be depressured noise reduction multi-stage sleeve regulating valve, including for media flow valve body 1, hang down set
Valve seat 2 inside valve body 1, it is installed on the inside of valve body 1 and sleeve 4 with the formation cavity of valve seat 2 and can be reciprocal in sleeve 4
The valve plug 5 of slip.
The valve body 1 is cavity body structure, and the cavity body structure is provided with the inlet channel communicated with sleeve, communicated with valve seat
Outlet passageway.The top of valve body 1 is provided with the bonnet 8 for seal sleeve 4, and the edge of bonnet 8 is provided with groove, valve body 1
End is provided with blind hole, and bonnet 8 is respectively mounted the second metal wound gasket 7, full thread stud 9 with the position that valve body 1, sleeve 4 are in contact
It is tightened against through groove by the first hex nut 10 in blind hole.
Bonnet 8 opens up the hollow cavity for wearing valve rod 11, is set above the space that hollow cavity is engaged with valve rod 11
There are gland 15, the middle spacer ring 13, lower section of being provided with to be provided with Packing seat 12, space is filled between gland 15 and Packing seat 12
There is filler 14.The side end of gland 15 is provided with groove, and the upper end of bonnet 8 is provided with blind hole, and studs 16 passes through through groove
Second hex nut 17 is tightened against in the blind hole of bonnet 8.
The valve plug 5 is provided with the stopper for being used for blocking the through hole 45 of sleeve 4, and the stopper is hollow cavity, its upper end and valve
Bar 11 is connected.The stopper, which is provided with, to be used to seal the sealing slide assemblies being slidably matched, the sealing slide assemblies with sleeve 4
Including the guide ring 18 for sealed sealing ring 19, for limiting the sliding scale of valve plug 5, support ring 20.
The upper end of valve seat 2 is tightly connected by the first metal wound gasket 3 and valve body 1, and valve seat 2 includes some for increasing
The valve support chamber of flow resistance, the valve support chamber includes the first valve support chamber, the second valve support chamber, first valve support chamber and the second valve support chamber set
It is fitted together.First valve support chamber, the second valve support chamber side wall open up some tap holes 21, the stream of first valve support chamber respectively
Portal 21 and second valve support chamber tap hole 21 interval dislocation arrangement.
Another embodiment of the utility model valve seat, the valve support chamber lateral wall opens up the recess of spiral decline, described
Recess is provided with the tap hole 21 of screw arrangement.The recess interval dislocation arrangement of the recess of first valve support chamber and the second valve support chamber.
As shown in Figure 3-4, the side wall of sleeve 4, which is opened up in groove 44, the groove 44, opens up through hole 45.The sleeve 4
Including being arranged in the first sleeve 41 of lateral wall, the second sleeve 42 for being depressured noise reduction, 3rd sleeve 43.The sleeve 4 is set
There is straight pin 6, the straight pin 6 sequentially passes through the first sleeve 41, second sleeve 42 and is tightened against in 3rd sleeve 43 so that three
It is fixed together.The second sleeve 42, the lateral wall of 3rd sleeve 43 open up spiralling groove 44, described second set respectively
The groove 44 of cylinder 42 and the interval of the groove 44 dislocation arrangement of 3rd sleeve 43.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of multi-stage sleeve regulating valve for being depressured noise reduction, including for the valve body of media flow(1), located at valve body(1)Internal
Valve seat(2), be installed on valve body(1)Internal and and valve seat(2)Form the sleeve of cavity(4)And can be in sleeve(4)It is reciprocal sliding
Dynamic valve plug(5), it is characterised in that the sleeve(4)Side wall opens up groove(44), the groove(44)Inside open up through hole
(45).
2. a kind of multi-stage sleeve regulating valve for being depressured noise reduction as claimed in claim 1, it is characterised in that the groove(44)Spiral shell
Rotation is arranged in sleeve(4)Side wall, the through hole(45)Spiral is arranged at groove(44)It is interior.
3. a kind of multi-stage sleeve regulating valve for being depressured noise reduction as claimed in claim 2, it is characterised in that the sleeve(4)Bag
Include the first sleeve for being arranged in lateral wall(41), second sleeve for being depressured noise reduction(42), 3rd sleeve(43).
4. a kind of multi-stage sleeve regulating valve for being depressured noise reduction as claimed in claim 3, it is characterised in that the second sleeve
(42), 3rd sleeve(43)Lateral wall opens up spiralling groove respectively(44), the second sleeve(42)Groove(44)
With 3rd sleeve(43)Groove(44)Interval dislocation arrangement.
5. a kind of multi-stage sleeve regulating valve of decompression noise reduction as described in claim 1-4 is any, it is characterised in that the valve seat
(2)It is used to increase the valve support chamber of flow resistance including some, some valve support chambers are set in together.
6. a kind of multi-stage sleeve regulating valve for being depressured noise reduction as claimed in claim 5, it is characterised in that the valve support chamber includes
First valve support chamber, the second valve support chamber, first valve support chamber, the second valve support chamber side wall open up some tap holes respectively(21), institute
State the tap hole of the first valve support chamber(21)With the tap hole of the second valve support chamber(21)Interval dislocation arrangement.
7. a kind of multi-stage sleeve regulating valve for being depressured noise reduction as claimed in claim 5, it is characterised in that on the inside of the valve support chamber
Wall opens up the recess of spiral decline, and the recess is provided with the tap hole of screw arrangement(21).
8. a kind of multi-stage sleeve regulating valve for being depressured noise reduction as claimed in claim 7, it is characterised in that the first valve support chamber it is recessed
Portion and the recess interval dislocation of the second valve support chamber are arranged.
9. a kind of multi-stage sleeve regulating valve for being depressured noise reduction as claimed in claim 8, it is characterised in that the valve plug(5)If
Have for blocking sleeve(4)Through hole(45)Stopper, the stopper is hollow cavity, its upper end and a valve rod(11)It is connected.
10. a kind of multi-stage sleeve regulating valve for being depressured noise reduction as claimed in claim 9, it is characterised in that the stopper is provided with
For same sleeve(4)The sealing slide assemblies being slidably matched are sealed, the sealing slide assemblies include being used for sealed sealing ring
(19), for limiting valve plug(5)The guide ring of sliding scale(18), support ring(20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720094953.8U CN206409735U (en) | 2017-01-24 | 2017-01-24 | A kind of multi-stage sleeve regulating valve for being depressured noise reduction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720094953.8U CN206409735U (en) | 2017-01-24 | 2017-01-24 | A kind of multi-stage sleeve regulating valve for being depressured noise reduction |
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Publication Number | Publication Date |
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CN206409735U true CN206409735U (en) | 2017-08-15 |
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CN201720094953.8U Active CN206409735U (en) | 2017-01-24 | 2017-01-24 | A kind of multi-stage sleeve regulating valve for being depressured noise reduction |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110594437A (en) * | 2019-08-16 | 2019-12-20 | 国家能源集团宁夏煤业有限责任公司 | Valve seat and valve |
CN113606420A (en) * | 2021-07-05 | 2021-11-05 | 阀安格水处理系统(太仓)有限公司 | Fixed energy dissipation device |
CN116006767A (en) * | 2022-12-02 | 2023-04-25 | 中广核工程有限公司 | Novel multistage adjustable pressure reducing regulating valve |
-
2017
- 2017-01-24 CN CN201720094953.8U patent/CN206409735U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110594437A (en) * | 2019-08-16 | 2019-12-20 | 国家能源集团宁夏煤业有限责任公司 | Valve seat and valve |
CN113606420A (en) * | 2021-07-05 | 2021-11-05 | 阀安格水处理系统(太仓)有限公司 | Fixed energy dissipation device |
CN116006767A (en) * | 2022-12-02 | 2023-04-25 | 中广核工程有限公司 | Novel multistage adjustable pressure reducing regulating valve |
CN116006767B (en) * | 2022-12-02 | 2024-01-30 | 中广核工程有限公司 | Multistage adjustable pressure reducing regulating valve |
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GR01 | Patent grant | ||
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CP01 | Change in the name or title of a patent holder |
Address after: 311115 No. 7 Xiuyan Road, Fengdu Village, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Dongchen Valve Technology Co., Ltd. Address before: 311115 No. 7 Xiuyan Road, Fengdu Village, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Dongchen Heating Power Auxiliary Co.,Ltd. |