CN207316100U - A kind of labyrinth type micro-flow regulating valve - Google Patents
A kind of labyrinth type micro-flow regulating valve Download PDFInfo
- Publication number
- CN207316100U CN207316100U CN201721188928.2U CN201721188928U CN207316100U CN 207316100 U CN207316100 U CN 207316100U CN 201721188928 U CN201721188928 U CN 201721188928U CN 207316100 U CN207316100 U CN 207316100U
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- labyrinth
- deck
- cage
- 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
Abstract
The utility model discloses a kind of labyrinth type micro-flow regulating valve, including valve body, valve seat, valve rod, spool and valve deck, valve body middle chamber lower end is provided with a valve seat spirotallic gasket, valve seat upper end is provided with a labyrinth component, labyrinth component upper end is provided with a guiding valve cage, a valve rod mounting hole is vertically provided with the middle part of valve deck, it is oriented in the middle part of valve cage and is vertically provided with a first spool movable span, a second spool movable span is vertically provided with the middle part of the component of labyrinth, valve rod is threaded through in valve rod mounting hole, valve rod lower end is wholely set with spool, spool is up and down in the first spool movable span and the second spool movable span, it is depressured by labyrinth component, the size of flow is adjusted by being oriented to valve cage.Above-mentioned technical proposal, reasonable in design, simple in structure, spool is hardly damaged, good seal performance, easy to use, with small vibration, noise is small and service life is grown.
Description
Technical field
It the utility model is related to valve technology field, and in particular to a kind of labyrinth type micro-flow regulating valve.
Background technology
Most of control valve for small flows is all using changing the flow of spool shape de-regulation valve, when running into pressure medium
When high-temperature height and flow very little, it is necessary to spool is made small and can be only achieved required tiny flow quantity, spool is made
Its small intensity just substantially reduces, and is easy to be broken in the high occasion of the big flow velocity of pressure difference, is so easy to bring serious consequence.
China Patent No. 201220622597.X, patent name " small flow high pressure tune as filed in 22 days November in 2012 of applicant
The utility model patent of section valve ", there is above-mentioned technical problem and cannot effectively solve.And existing control valve for small flows work
Vibrated greatly when making, cause noise big, service life is short.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, structure
Simply, spool is hardly damaged, good seal performance, easy to use, with small vibration, noise are small and the small stream of labyrinth type of service life length
Adjustable valve.
To achieve the above object, the utility model provides following technical solution：A kind of labyrinth type micro-flow regulating valve,
Including valve body, valve seat, valve rod, spool and valve deck, valve body middle chamber is provided with the valve body, the valve body middle chamber lower end is provided with
One valve seat spirotallic gasket, installs valve seat on the valve seat spirotallic gasket, the valve seat upper end is provided with a labyrinth component, institute
State labyrinth component upper end and be provided with a guiding valve cage, the valve deck lower end is connected with being oriented to valve cage, is compressed by locking valve deck
The guiding valve cage；A valve rod mounting hole is vertically provided with the middle part of the valve deck, is vertically provided with the middle part of the guiding valve cage
One the first spool movable span, the labyrinth component middle part are vertically provided with a second spool movable span, and the valve rod is worn
In valve rod mounting hole, valve rod lower end is wholely set with spool, and the spool is in the first spool movable span and the activity of the second spool
It is up and down in hole, it is depressured by labyrinth component, the size of flow is adjusted by being oriented to valve cage.
By using above-mentioned technical proposal, valve rod is wholely set with spool, and spool connection is reliable, is hardly damaged；It is logical
Cross valve rod band movable valve plug to move up and down, the size of flow, reasonable in design, simple in structure, sealing are adjusted by labyrinth component
Performance is good, easy to use, with small vibration, noise is small and service life is grown.
The utility model is further arranged to：The valve rod mounting hole, the first spool movable span and the second spool movable span
Vertical centerline overlap.By this setting, valve rod mounting hole, the first spool movable span and the second spool activity hole site are set
Rationally, valve rod and spool activity are smooth, reliable operation.
The utility model is further arranged to：The labyrinth component positions solid through pin after being superimposed by multi-disc labyrinth chip
Surely form, a plurality of curved groove is carved with the outer surface of every labyrinth chip.By this setting, labyrinth modular construction, which is set, to be closed
Reason, curved groove add the damping of fluid motion, play the role of multilevel decompression, pressure drop is evenly distributed in each turning
Place, so as to achieve the purpose that effective coutroi velocity, realizes anti-cavitation, anti-flash distillation, low vibration and low noise.
The utility model is further arranged to：Set between the valve seat spirotallic gasket, labyrinth component and guiding valve cage
There are several graphite-seal rings, pass through graphite-seal ring between the valve seat spirotallic gasket, labyrinth component and guiding valve cage three
Sealing.By this setting, the good airproof performance of graphite-seal ring sealing, ensures labyrinth type flow velocity and the accuracy of decompression.
The utility model is further arranged to：A spool positioning jack, institute are vertically provided with the middle part of the valve seat
State spool lower end and be wholely set a spool locating rod, spool locating rod insertion spool positioning jack is set.By originally setting
Put, structure setting is more reasonable, and spool positioning is reliable, working stability, rocks small, is not likely to produce noise.
The utility model is further arranged to：Multiple bolts are equipped with the valve deck, valve deck passes through bolt and valve body
It is locked.By this setting, valve deck is easy to connect with valve body, fixed reliable.
The utility model is further arranged to：Filler assembly and gland are provided with above the valve rod mounting hole,
The gland is connected with valve deck threaded upper ends, and gland compresses filler assembly.By this setting, make filler assembly tight
Tightly it is squeezed on valve rod, good seal performance, is not easy to leak.
The utility model is further arranged to：Be provided with valve deck spirotallic gasket between the valve deck and valve body, valve deck with
It is made up of and seals valve deck spirotallic gasket between valve body.By this setting, good seal performance between valve deck and valve body, connection can
Lean on.
The utility model has the advantages that：Compared with prior art, the utility model structure setting is more reasonable, valve rod and valve
Core is wholely set, and spool connection is reliable, is hardly damaged；Moved up and down by valve rod band movable valve plug, pass through labyrinth component tune
The size of amount of restriction, the curved groove of labyrinth component add the damping of fluid motion, play the role of multilevel decompression, make pressure drop
Each corner is evenly distributed in, so as to achieve the purpose that effective coutroi velocity, realizes anti-cavitation, anti-flash distillation, low vibration and low
Noise；The guiding valve cage is compressed by locking valve deck, valve cage is oriented to and compresses labyrinth component, labyrinth component compresses valve seat, valve seat
Sealed between spirotallic gasket, labyrinth component and guiding valve cage three by graphite-seal ring；Reasonable in design, simple in structure,
Good seal performance, easy to use, with small vibration, noise is small and service life is grown.
With reference to Figure of description and specific embodiment, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the enlarged diagram in I portions in Fig. 1；
Fig. 3 is the structure diagram of the utility model embodiment labyrinth chip.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of labyrinth type micro-flow regulating valve disclosed in the utility model, including valve body 1,
Valve seat 2, valve rod 3, spool 4 and valve deck 5, are provided with valve body middle chamber 11 in the valve body 1,11 lower end of valve body middle chamber is provided with
One valve seat spirotallic gasket 6, valve seat 2 is installed on the valve seat spirotallic gasket 6,2 upper end of valve seat is provided with a labyrinth group
Part 7,7 upper end of labyrinth component are provided with a guiding valve cage 8, and 5 lower end of valve deck is connected with being oriented to valve cage 8, passes through lock
Tight valve deck 5 compresses the guiding valve cage 8；The middle part of valve deck 5 is vertically provided with a valve rod mounting hole 12, the guiding valve cage
8 middle parts are vertically provided with a first spool movable span 81, and the middle part of labyrinth component 7 is vertically provided with second spool and lives
Dynamic hole 71, the valve rod 3 are threaded through in valve rod mounting hole 12, and 3 lower end of valve rod is wholely set with spool 4, and the spool 4 is first
It is up and down in 81 and second spool movable span 71 of spool movable span, it is depressured by labyrinth component 7, is adjusted by being oriented to valve cage 8
The size of flow.
As preference, the valve rod mounting hole 12, the first spool movable span 81 and the second spool movable span 71 it is vertical
Center line overlaps.It is oriented on the internal face of the first spool movable span 81 of valve cage 8 and is provided with several elongated scarfings, the present embodiment
The quantity of elongated scarfing sets more than one, and elongated scarfing is rectangular configuration, is lived by valve rod 3 with movable valve plug 4 in the first spool
Move up and down in dynamic hole 81, spool 4 and elongated scarfing relative displacement, so as to change the circulation area of elongated scarfing, realize and change
Flow.
To make the utility model structure setting more reasonable, as preference, labyrinth component 7 is by multi-disc described in the present embodiment
Labyrinth chip 72 forms after being superimposed through pin positioning fixation, and a plurality of curved groove is carved with the outer surface of every labyrinth chip 72
721。
Several graphite-seal rings 9, institute are provided between the valve seat spirotallic gasket 6, labyrinth component 7 and guiding valve cage 8
State and sealed between valve seat spirotallic gasket 6, labyrinth component 7 and guiding 8 three of valve cage by graphite-seal ring 9.
The middle part of the valve seat 2 is vertically provided with a spool positioning jack 21, and 4 lower end of spool has been wholely set one
Root spool locating rod 41, the spool locating rod 41 insertion spool positioning jack 21 are set.
Multiple bolts 10 are equipped with the valve deck 5, valve deck 5 is locked by bolt 10 and valve body 1.
The top of valve rod mounting hole 12 is provided with filler assembly 13 and gland 14, the gland 14 and valve deck
5 threaded upper ends connect, and gland 14 compresses filler assembly 13.
Valve deck spirotallic gasket 15 is provided between the valve deck 5 and valve body 1, is twined between valve deck 5 and valve body 1 by valve deck
Form and seal around gasket 15.
During practical application, valve rod is wholely set with spool, and spool connection is reliable, is hardly damaged；Driven by valve rod
Spool moves up and down, and the size of flow is adjusted by labyrinth component, and component curved groove in labyrinth adds the resistance of fluid motion
Buddhist nun, plays the role of multilevel decompression, pressure drop is evenly distributed in each corner, so that achieve the purpose that effective coutroi velocity,
Realize anti-cavitation, anti-flash distillation, low vibration and low noise；The guiding valve cage is compressed by locking valve deck, valve cage is oriented to and compresses fan
Palace component, labyrinth component compress valve seat, pass through graphite-seal ring between valve seat spirotallic gasket, labyrinth component and guiding valve cage three
Sealing；Reasonable in design, simple in structure, good seal performance, easy to use, with small vibration, noise is small and service life is grown.
Above-described embodiment is served only for that the utility model is further described, no to the specific descriptions of the utility model
It is understood that as the restriction to scope of protection of the utility model, the technician of this area is according to the content pair of above-mentioned utility model
The utility model is made some nonessential modifications and adaptations and is each fallen within the scope of protection of the utility model.
Claims (8)
1. a kind of labyrinth type micro-flow regulating valve, including valve body (1), valve seat (2), valve rod (3), spool (4) and valve deck (5),
Valve body middle chamber (11) is provided with the valve body (1), it is characterised in that：Valve body middle chamber (11) lower end is provided with a valve seat
Spirotallic gasket (6), valve seat (2) is installed on the valve seat spirotallic gasket (6), valve seat (2) upper end is provided with a labyrinth group
Part (7), labyrinth component (7) upper end are provided with one and are oriented to valve cage (8), and valve deck (5) lower end is with being oriented to valve cage (8) even
Connect, the guiding valve cage (8) is compressed by locking valve deck (5)；A valve rod mounting hole is vertically provided with the middle part of the valve deck (5)
(12), a first spool movable span (81), labyrinth component (7) middle part are vertically provided with the middle part of the guiding valve cage (8)
A second spool movable span (71) is vertically provided with, the valve rod (3) is threaded through in valve rod mounting hole (12), under valve rod (3)
End is wholely set with spool (4), and the spool (4) is upper and lower in the first spool movable span (81) and the second spool movable span (71)
Activity, is depressured by labyrinth component (7), and the size of flow is adjusted by being oriented to valve cage (8).
A kind of 2. labyrinth type micro-flow regulating valve according to claim 1, it is characterised in that：The valve rod mounting hole
(12), the vertical centerline of the first spool movable span (81) and the second spool movable span (71) overlaps.
A kind of 3. labyrinth type micro-flow regulating valve according to claim 2, it is characterised in that：The labyrinth component (7)
Form, be carved with the outer surface of every labyrinth chip (72) a plurality of through pin positioning fixation after being superimposed by multi-disc labyrinth chip (72)
Curved groove (721).
A kind of 4. labyrinth type micro-flow regulating valve according to claim 3, it is characterised in that：The valve seat spirotallic gasket
(6), several graphite-seal rings (9), the valve seat spirotallic gasket are provided between labyrinth component (7) and guiding valve cage (8)
(6), sealed between labyrinth component (7) and guiding valve cage (8) three by graphite-seal ring (9).
A kind of 5. labyrinth type micro-flow regulating valve according to claim 1 or 4, it is characterised in that：The valve seat (2)
Middle part is vertically provided with a spool positioning jack (21), and spool (4) lower end has been wholely set a spool locating rod
(41), the spool locating rod (41) insertion spool positioning jack (21) is set.
A kind of 6. labyrinth type micro-flow regulating valve according to claim 5, it is characterised in that：Worn on the valve deck (5)
Equipped with multiple bolts (10), valve deck (5) is locked by bolt (10) and valve body (1).
A kind of 7. labyrinth type micro-flow regulating valve according to claim 6, it is characterised in that：The valve rod mounting hole
(12) top is provided with filler assembly (13) and gland (14), and the gland (14) connects with valve deck (5) threaded upper ends
Connect, and gland (14) compresses filler assembly (13).
A kind of 8. labyrinth type micro-flow regulating valve according to claim 7, it is characterised in that：The valve deck (5) and valve
Valve deck spirotallic gasket (15) is provided between body (1), is made up of between valve deck (5) and valve body (1) valve deck spirotallic gasket (15)
Sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188928.2U CN207316100U (en) | 2017-09-17 | 2017-09-17 | A kind of labyrinth type micro-flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188928.2U CN207316100U (en) | 2017-09-17 | 2017-09-17 | A kind of labyrinth type micro-flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316100U true CN207316100U (en) | 2018-05-04 |
Family
ID=62382774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721188928.2U Expired - Fee Related CN207316100U (en) | 2017-09-17 | 2017-09-17 | A kind of labyrinth type micro-flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207316100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355549A (en) * | 2017-09-17 | 2017-11-17 | 浙江贝尔控制阀门有限公司 | A kind of labyrinth type micro-flow regulating valve |
-
2017
- 2017-09-17 CN CN201721188928.2U patent/CN207316100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355549A (en) * | 2017-09-17 | 2017-11-17 | 浙江贝尔控制阀门有限公司 | A kind of labyrinth type micro-flow regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205806509U (en) | The throttling stop valve of multi-level control structure | |
| CN207316100U (en) | A kind of labyrinth type micro-flow regulating valve | |
| CN105089543B (en) | A kind of horizontal well pressure water control device | |
| CN207212307U (en) | A kind of oilfield gas injection production wellhead choke valve | |
| CN204040997U (en) | From grouting floating hoop float shoe | |
| CN206625820U (en) | High-pressure well mouth choke valve | |
| CN207195691U (en) | A kind of micro-flow regulating valve | |
| CN203627856U (en) | Forged steel gate valve | |
| CN107355549A (en) | A kind of labyrinth type micro-flow regulating valve | |
| CN206988222U (en) | A kind of hydraulic jack respirator | |
| CN208040816U (en) | A kind of easy-to-mount oil cylinder | |
| CN107387785A (en) | A kind of micro-flow regulating valve | |
| CN208107386U (en) | A kind of novel oilfield water injection well valve | |
| CN204253953U (en) | Safety check | |
| CN203516754U (en) | Blocking-preventing regulating valve | |
| CN201031979Y (en) | Back valve of air compressor | |
| CN207470803U (en) | Low operating force cut-out type control valve | |
| CN205298112U (en) | Stacked liquid -control unidirectional valve | |
| CN217271924U (en) | Throttle stop valve structure made of ceramic material under working condition of sand-containing fluid | |
| CN219062629U (en) | Multisection formula step-down high pressure differential governing valve | |
| CN204459723U (en) | The black box of Pneumatic high pressure greasing pump | |
| CN218934389U (en) | Can throw and drag for formula layering steam injection device | |
| CN217713166U (en) | Piston rod assembly for inverted oil cylinder | |
| CN212839714U (en) | Soft sealing double-seat cage type noise reduction control valve | |
| CN220248323U (en) | Pneumatic diaphragm pump with double-sealing-ring valve seat mechanism |
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: 20180504 Termination date: 20200917 |