CN207333755U - A kind of spool of flow control valve - Google Patents
A kind of spool of flow control valve Download PDFInfo
- Publication number
- CN207333755U CN207333755U CN201721183754.0U CN201721183754U CN207333755U CN 207333755 U CN207333755 U CN 207333755U CN 201721183754 U CN201721183754 U CN 201721183754U CN 207333755 U CN207333755 U CN 207333755U
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- valve rod
- deck
- flow control
- 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
- 210000003660 Reticulum Anatomy 0.000 claims abstract description 3
- 210000004907 Glands Anatomy 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 1
Abstract
It the utility model is related to a kind of spool of flow control valve, including executing agency, valve body, valve deck.Valve body includes medium inlet, media outlet and the installing port for being opened in valve body upper end opened up on the same axis, valve deck is installed on the installing port of valve body upper end by screw bolt and nut, bonnet central offers valve rod hole, the valve rod perforation valve deck and the installing port of valve body upper end, valve rod upper end is connected through the valve rod hole with pneumatic actuator, lower end, using being threadedly coupled, is equipped with stuffing-box with spool between valve rod and the valve rod hole of valve deck；It is installed in the valve body equipped with valve seat and the spool to match with valve seat, the valve seat by bolt in the passage formed between medium inlet and media outlet, spool is fixedly connected on valve rod and positioned at the top of valve seat axial centre.The utility model has the advantages of simple structure, small, light-weight, and reliability, good airproof performance, flow resistance is small, by the gap between controlling spool and valve seat close, and then adjusts the flow of medium.
Description
Technical field
It the utility model is related to valve technology field, more particularly to a kind of spool of flow control valve.
Background technology
As industrial industry the degree of automation is higher and higher, the requirement to various pneumatic control valves is also higher and higher.Current
For pneumatic control valve due to complicated, detachable maintaining is difficult, but also there are regulation performance is poor, noise is big, perishable and use
The defects of short life, and its flow control accuracy is not high, it is difficult to adjustment control flow.
Flow control valve pressurizes, in pressurize or pressure leak process valve both ends pressure difference according to the discharge characteristic of valve, valve
Aperture depend on spool molded line design, its using between spool and valve seat sealing coordinate realize sealing, current spool
The defects of volume is big, complicated, not compact enough, and spool and the close gap of valve seat are more, and envelope property is poor, and valve fits badly.
Utility model content
The purpose of this utility model is that be the defects of overcoming the prior art, and provide a kind of simple in structure, reliability, close
The good novel flow control valve of envelope property.
To achieve the above object, the utility model uses following technical scheme：A kind of spool of flow control valve, including hold
Row mechanism, valve body, valve deck；Medium inlet that the valve body includes opening up on the same axis, media outlet and be opened in valve
The installing port of body upper end, valve deck are installed on the installing port of valve body upper end by screw bolt and nut, and bonnet central offers valve rod hole,
Valve rod perforation valve deck and the installing port of valve body upper end, valve rod upper end is connected through the valve rod hole with pneumatic actuator,
Lower end, using being threadedly coupled, is equipped with stuffing-box with spool between valve rod and the valve rod hole of valve deck；Be equipped with the valve body valve seat and
The spool to match with valve seat, the valve seat are installed in the passage formed between medium inlet and media outlet by bolt,
Spool is fixedly connected on valve rod and above valve seat axial centre.
Further, the spool is disposed with inverted conical structure including from top to bottom outside diameter from big to small
Back taper anchor ring, the upper end port of the valve seat is correspondingly provided with can form the taper that sealing coordinates with the back taper anchor ring
Fillet surface；Executing agency's driving stem moves up and down, and valve rod band movable valve plug moves up and down, by varying the back taper of spool
The gap between taper fillet surface on anchor ring and valve seat, and then adjust the flow of medium.
Further, the valve deck is installed on the installing port of valve body with being equipped with guide ring, the guide ring at valve body contact
It is interior.
Further, it is equipped with bushing in the guide ring.
Further, the valve deck upper end is equipped with the gland to seal, and gland is used to compress filler, with
Ensure the leakproofness between filler and valve rod.
Further, the valve deck upper end is equipped with the pressing plate for being used for extruding gland；The pressing plate passes through bolt and spiral shell
Mother is installed on valve deck upper end.
Further, the stuffing-box includes upper pad, filler, lower liner and the filler bullet from top to bottom set gradually
Spring and heelpiece；The stuffing-box is used for the gap between closed valve and valve rod.
Further, the spool uses spool made of hard material.
The beneficial effect of the utility model compared with prior art is：Above and below executing agency's driving stem of the utility model
Movement, valve rod band movable valve plug moves up and down, by varying between the taper fillet surface on the back taper anchor ring and valve seat of spool
Gap, and then adjust medium flow.The utility model has the advantages of simple structure, small, light-weight, reliability, good airproof performance,
Flow resistance is small, by the gap between controlling spool and valve seat close, and then adjusts the flow of medium.Brief description of the drawings
Fig. 1 is the sectional arrangement drawing of the utility model flow control valve；
Fig. 2 is the sectional arrangement drawing of the utility model spool.
In figure：Spool 1, valve body 2, valve deck 3, valve rod 4, valve seat 5, stuffing-box 6, guide ring 7, bushing 8, gland 9, pressure
Plate 10, medium inlet 11, media outlet 12, installing port 13, valve rod hole 14, back taper anchor ring 15, taper fillet surface 16
Embodiment
In order to more fully understand the technology contents of the utility model, the skill with reference to specific embodiment to the utility model
Art scheme is described further and illustrates.
The concrete structure of the utility model embodiment as illustrated in fig. 1 and 2, a kind of spool of flow control valve, including perform
Mechanism (not shown), valve body 2, valve deck 3.Valve body 2 include open up on the same axis medium inlet 11, media outlet 12 and
It is opened in the installing port 13 of valve body upper end, valve deck 3 is installed on the installing port 13 of 2 upper end of valve body by screw bolt and nut, in valve deck 3
The heart offers valve rod hole 14, and valve rod 4 penetrates through the installing port 13 of 2 upper end of valve deck 3 and valve body, 4 upper end of valve rod through valve rod hole 14 with
Pneumatic actuator (not shown) is connected, lower end, using being threadedly coupled, is set with spool 1 between the valve rod hole 14 of valve rod 4 and valve deck 3
There is stuffing-box 6.Medium inlet is installed on by bolt equipped with valve seat 5 and the spool 1 to match with valve seat 5, valve seat 5 in valve body 2
In the passage formed between 11 and media outlet 12, spool 1 is fixedly connected on valve rod and positioned at the upper of 5 axial centre of valve seat
Side.
Preferably, spool 1 is disposed with inverted conical structure including from top to bottom the back taper of outside diameter from big to small
Anchor ring 15, the upper end port of valve seat 5 is correspondingly provided with can form the taper fillet surface 16 that sealing coordinates with back taper anchor ring 15.
Executing agency's (not shown) driving stem 4 moves up and down, and valve rod 4 is moved up and down with movable valve plug 1, by varying the back taper of spool 1
The gap between taper fillet surface 16 on shape anchor ring 15 and valve seat 5, and then adjust the flow of medium.
Preferably, valve deck 3 is equipped with guide ring 7 with 2 contact position of valve body, and guide ring 7 is installed in the installing port 13 of valve body 3.
Preferably, it is equipped with bushing 8 in guide ring 7.
Preferably, 3 upper end of valve deck is equipped with the gland 9 to seal, and gland 9 is used to compress filler, to protect
Demonstrate,prove the leakproofness between filler and valve rod 4.
Preferably, 3 upper end of valve deck is equipped with the pressing plate 10 for being used for extruding gland 9；Pressing plate 10 is pacified by screw bolt and nut
Mounted in 3 upper end of valve deck.
Preferably, stuffing-box 6 include the upper pad, filler, lower liner and the packing spring that from top to bottom set gradually and
Heelpiece, the stuffing-box 6 are used for the gap between closed valve and valve rod.The dielectric leakage not allowed in valve body is gone out.
Preferably, spool 1 is using spool made of hard material.
Executing agency's driving stem of the utility model moves up and down, and valve rod band movable valve plug moves up and down, by varying valve
The gap between taper fillet surface on the back taper anchor ring and valve seat of core, and then adjust the flow of medium.The utility model
Structure it is simple, small, light-weight, reliability, good airproof performance, flow resistance is small, between controlling spool and valve seat close
Gap, and then adjust medium flow.
The technology contents set forth above that the utility model is only further illustrated with embodiment, in order to which reader is easier to manage
Solution, but the embodiment for not representing the utility model is only limitted to this, and any technology done according to the utility model extends or creates again
Make, protected by the utility model.
Claims (8)
1. a kind of spool of flow control valve, including executing agency, valve body, valve deck；The valve body includes opening on the same axis
If medium inlet, media outlet and the installing port for being opened in valve body upper end, valve deck is installed on valve body by screw bolt and nut
The installing port of upper end, bonnet central offer the installing port of valve rod hole, the valve rod perforation valve deck and valve body upper end, valve rod upper end
Be connected through the valve rod hole with pneumatic actuator, lower end and spool using being threadedly coupled, the valve rod hole of valve rod and valve deck it
Between be equipped with stuffing-box；It is characterized in that：Pass through spiral shell equipped with valve seat and the spool to match with valve seat, the valve seat in the valve body
Bolt is installed in the passage formed between medium inlet and media outlet, and spool is fixedly connected on valve rod and positioned at valve seat axial direction
The top at center.
A kind of 2. spool of flow control valve according to claim 1, it is characterised in that：The spool is in inverted conical knot
Structure including the back taper anchor ring of outside diameter from big to small is disposed with from top to bottom, the upper end port of the valve seat, which corresponds to, to be set
The taper fillet surface that sealing coordinates can be formed with the back taper anchor ring by having；Executing agency's driving stem moves up and down,
Valve rod band movable valve plug moves up and down, between the taper fillet surface on the back taper anchor ring and valve seat of spool
Gap, and then adjust the flow of medium.
A kind of 3. spool of flow control valve according to claim 1, it is characterised in that：At the valve deck and valve body contact
Equipped with guide ring, the guide ring is installed in the installing port of valve body.
A kind of 4. spool of flow control valve according to claim 3, it is characterised in that：Lining is equipped with the guide ring
Set.
A kind of 5. spool of flow control valve according to claim 1, it is characterised in that：The valve deck upper end has been equipped with close
The gland of envelope effect, gland is used to compress filler, to ensure the leakproofness between filler and valve rod.
A kind of 6. spool of flow control valve according to claim 1, it is characterised in that：The valve deck upper end, which is equipped with, to be used for
Extrude the pressing plate of gland；The pressing plate is installed on valve deck upper end by screw bolt and nut.
A kind of 7. spool of flow control valve according to claim 1, it is characterised in that：The stuffing-box include by up to
Under upper pad, filler, lower liner and the packing spring and heelpiece that set gradually；The stuffing-box is used for closed valve and valve rod
Between gap.
A kind of 8. spool of flow control valve according to claim 1, it is characterised in that：The spool uses hard material system
Into spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721183754.0U CN207333755U (en) | 2017-09-15 | 2017-09-15 | A kind of spool of flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721183754.0U CN207333755U (en) | 2017-09-15 | 2017-09-15 | A kind of spool of flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333755U true CN207333755U (en) | 2018-05-08 |
Family
ID=62369310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721183754.0U Expired - Fee Related CN207333755U (en) | 2017-09-15 | 2017-09-15 | A kind of spool of flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135396A1 (en) * | 2018-12-28 | 2020-07-02 | 浙江三花制冷集团有限公司 | Flow control valve |
-
2017
- 2017-09-15 CN CN201721183754.0U patent/CN207333755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135396A1 (en) * | 2018-12-28 | 2020-07-02 | 浙江三花制冷集团有限公司 | Flow control valve |
| US11313475B2 (en) | 2018-12-28 | 2022-04-26 | Zhejiang Sanhua Climate and Appliance Controls Group Co., Ltd. | Flow control 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20210915 |