CN107387785A - A kind of micro-flow regulating valve - Google Patents
A kind of micro-flow regulating valve Download PDFInfo
- Publication number
- CN107387785A CN107387785A CN201710836826.5A CN201710836826A CN107387785A CN 107387785 A CN107387785 A CN 107387785A CN 201710836826 A CN201710836826 A CN 201710836826A CN 107387785 A CN107387785 A CN 107387785A
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- CN
- China
- Prior art keywords
- valve
- cage
- bonnet
- micro
- valve seat
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of micro-flow regulating valve, including valve body, valve seat, valve rod, valve element and bonnet, valve body middle chamber is provided with valve body, valve body middle chamber lower end is provided with a valve seat pad, valve seat is installed on valve seat pad, valve seat upper end is provided with a tiny flow quantity and is oriented to valve cage, bonnet lower end is oriented to valve cage with tiny flow quantity and is connected, a valve rod mounting hole is vertically provided with the middle part of valve body, valve rod is located in valve rod mounting hole, valve rod lower end has been wholely set valve element, and the valve element lower end is detachably provided with seal spool ring;Tiny flow quantity is oriented on valve cage and is provided with elongated scarfing, is moved up and down by valve rod band movable valve plug, and valve element drives seal spool ring and elongated scarfing relative displacement, so as to change the circulation area of elongated scarfing, realizes and changes flow.Above-mentioned technical proposal, reasonable in design, simple in construction, valve element is hardly damaged, good seal performance, esy to use, safe and reliable and service life are grown.
Description
Technical field
The present invention relates to valve technology field, and in particular to a kind of micro-flow regulating valve.
Background technology
Most of control valve for small flows is all using changing the flow of valve element shape de-regulation valve, when running into pressure medium
When high-temperature height and flow very little, it is necessary to valve element is made small and can be only achieved required tiny flow quantity, valve element 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.
Patent No. 201220622597.X, patent name " small flow high pressure regulating valve " as filed in 22 days November in 2012 of applicant
Patent of invention, there is above-mentioned technical problem and cannot effectively solve.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide it is a kind of it is reasonable in design, simple in construction,
Valve element is hardly damaged, good seal performance, the micro-flow regulating valve of esy to use, safe and reliable and service life length.
To achieve the above object, the invention provides following technical scheme:A kind of micro-flow regulating valve, including valve body,
Valve seat, valve rod, valve element and bonnet, valve body middle chamber are provided with the valve body, the valve body middle chamber lower end is provided with a valve seat
Pad, installs valve seat on the valve seat pad, and the valve seat upper end is provided with a tiny flow quantity and is oriented to valve cage, under the bonnet
End is oriented to valve cage with tiny flow quantity and is connected, and compresses the tiny flow quantity guiding valve cage by locking bonnet, the bonnet middle part is perpendicular
To a valve rod mounting hole is provided with, the valve rod is located in valve rod mounting hole, and valve rod lower end is wholely set with valve element, described
Valve element lower end is detachably provided with seal spool ring;The tiny flow quantity is oriented on valve cage and is provided with elongated scarfing, passes through valve rod
Band movable valve plug moves up and down, and valve element drives seal spool ring and elongated scarfing relative displacement, so as to change the circulation of elongated scarfing
Area, realize and change flow.
By using above-mentioned technical proposal, valve rod is wholely set with valve element, is moved up and down by valve rod band movable valve plug,
Seal spool ring and elongated scarfing relative displacement are driven, so as to change the circulation area of elongated scarfing, so as to change valve flow
Size;Reasonable in design, simple in construction, valve element is hardly damaged, good seal performance, esy to use, safe and reliable and use the longevity
Life length.
The present invention is further arranged to:A positioning boss, the convex have been wholely set on the valve element lower surface
Platform lower end has been wholely set a threaded joints, and the threaded joints lower end has been wholely set a valve element locating rod, institute
State seal spool ring to be arranged on positioning boss, a location nut is threaded with the threaded joints, passes through positioning
Nut check seal spool ring.By this setting, it is more reasonable that valve core structure is set, and seal spool ring is easy to connect, and fixation can
Lean on, assembly and disassembly are easy, easy to maintenance.
The present invention is further arranged to:A valve element positioning jack, the valve are vertically provided with the middle part of the valve seat
Core locating rod insertion valve element positioning jack is set.By this setting, structure setting is more reasonable, and valve element positioning is reliable, and work is steady
It is fixed, rock small, be not likely to produce noise.
The present invention is further arranged to:The tiny flow quantity is oriented in the middle part of valve cage and is vertically provided with a valve element activity
Hole, the valve element movable span lower port are provided with a valve seat locating notch.By this setting, tiny flow quantity is oriented to valve cage structure
It is more reasonable to set, reliable with valve seat positioning.
The present invention is further arranged to:The upper end of the valve seat has been wholely set one and the valve seat locating notch
The guiding valve cage positioning boss matched somebody with somebody, and tiny flow quantity is oriented between the lower surface of valve cage and the upper surface of valve seat and is provided with a valve
Seat sealing ring.By this setting, it is more reasonable that valve seat construction is set, and tiny flow quantity, which is oriented between valve cage and valve seat, to be connected reliably,
Good seal performance.
The present invention is further arranged to:Multiple bolts are equipped with the bonnet, bonnet is locked by bolt and valve body
It is fixed.By this setting, bonnet is easy to connect with valve body, fixed reliable.
The present invention is further arranged to:Filler assembly and gland are provided with above the valve rod mounting hole, it is described
Gland is connected with bonnet threaded upper ends, and gland compresses filler assembly.By this setting, filler assembly is set tightly to squeeze
It is pressed on valve rod, good seal performance, is not easy to leak.
The present invention is further arranged to:The width of the elongated scarfing is 0.2mm.By this setting, elongated scarfing is wide
It is reasonable that degree is set, and Flow-rate adjustment is convenient.
It is an advantage of the invention that:Compared with prior art, structure setting of the present invention is more reasonable, and valve rod is one with valve element
Set, moved up and down by valve rod band movable valve plug, drive seal spool ring and elongated scarfing relative displacement, it is elongated so as to change
The circulation area of scarfing, so as to change valve flow size;Reasonable in design, simple in construction, valve element is hardly damaged, sealing
Can good, esy to use, safe and reliable and service life length.
With reference to Figure of description and specific embodiment, the invention will be further described.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the enlarged diagram in I portions in Fig. 1;
Fig. 3 is the schematic cross-sectional view that tiny flow quantity of the embodiment of the present invention is oriented to valve cage.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of micro-flow regulating valve disclosed by the invention, including valve body 1, valve seat 2, valve rod
3rd, valve element 4 and bonnet 5, valve body middle chamber 11 are provided with the valve body 1, the lower end of valve body middle chamber 11 is provided with a valve seat pad
Piece 6, valve seat 2 is installed on the valve seat pad 6, and the upper end of valve seat 2 is provided with a tiny flow quantity and is oriented to valve cage 7, the valve
The lower end of lid 5 is oriented to valve cage 7 with tiny flow quantity and is connected, and the tiny flow quantity guiding valve cage 7, the valve are compressed by locking bonnet 5
The middle part of lid 5 is vertically provided with a valve rod mounting hole 12, and the valve rod 3 is located in valve rod mounting hole 12, the lower end of valve rod 3 and valve
Core 4 is wholely set, and the lower end of valve element 4 is detachably provided with seal spool ring 8;The tiny flow quantity is oriented on valve cage 7 and set
There is elongated scarfing 71, moved up and down by valve rod 3 with movable valve plug 4, valve element 4 drives seal spool ring 8 relative with elongated scarfing 71
Displacement, so as to change the circulation area of elongated scarfing 71, realize and change flow.
As preferable, the winding of valve seat pad 6 valve outer surface setting described in the present embodiment;Bonnet 5 pushes down tiny flow quantity
Valve cage 7 is oriented to, and tiny flow quantity is oriented to valve cage 7 and compresses valve seat pad 6, different circulating faces are formed in the up and down motion of valve rod 3
Product, so as to be able to adjust the size of flow.
To make structure setting of the present invention more reasonable, as preferable, integrally set on the lower surface of valve element 4 described in the present embodiment
A positioning boss 41 is equipped with, the lower end of positioning boss 41 has been wholely set a threaded joints 42, the threaded connection
The lower end of portion 42 has been wholely set a valve element locating rod 43, and the seal spool ring 8 is arranged on positioning boss 41, the screw thread
A location nut 9 is threaded with connecting portion 42, valve element sealing ring 8 is locked by location nut 9.
The middle part of the valve seat 2 is vertically provided with a valve element positioning jack 21, and the valve element locating rod 43 inserts valve element
Positioning jack 21 is set.As preferable, valve seat 2 is threadedly coupled with valve element locating rod 43.
The middle part that the tiny flow quantity is oriented to valve cage 7 is vertically provided with a valve element movable span 72, the valve element movable span
72 lower ports are provided with a valve seat locating notch.The valve element 4 is located in valve element movable span 72.
The upper end of the valve seat 2 is wholely set a guiding valve cage convex matched with the valve seat locating notch
Platform, and tiny flow quantity is oriented between the lower surface of valve cage 7 and the upper surface of valve seat 2 and is provided with a valve base sealing ring 10.It is described
The upper end of valve body 1 and the junction of bonnet 5 are provided with a valve bonnet seal circle, and the valve bonnet seal circle is O-ring seal.
Multiple bolts 13 are equipped with the bonnet 5, bonnet 5 is locked by bolt 13 and valve body 1.
The top of valve rod mounting hole 12 is provided with filler assembly 14 and gland 15, the gland 15 and bonnet
5 threaded upper ends connect, and gland 15 compresses filler assembly 14.
It is to be oriented to be outputed with line cutting technology on valve cage 7 in tiny flow quantity to flow by client that the tiny flow quantity, which is oriented to valve cage 7,
Desired extremely small scarfing is measured, typically in slender type, the longitudinal section of scarfing is rectangle, and main feature is embodied on thin word,
The broadband that tiny flow quantity is oriented to the elongated scarfing 71 of valve cage 7 is 0.2mm, it appears that just thicker than hairline.Pass through the band of valve rod 3
Movable valve plug 4 moves up and down, and seal spool ring 8 and the elongated relative displacement of scarfing 71 is driven, so as to change the circulation of elongated scarfing 71
Area, realize and change flow.As preferable, seal spool ring 8 is PTFE seal ring, i.e. teflon seal ring.
The valve seat 2 is compressed with valve body middle chamber 11 by valve seat pad 6 ensures that valve seat 2 seals with valve body 1.The valve seat 2,
Tiny flow quantity, which is oriented to valve cage 7 and compressed by valve base sealing ring 10 therebetween, ensures sealing, No leakage, so as to ensure tiny flow quantity
It is oriented to the accuracy that valve cage 7 adjusts flow.As preferable, the valve base sealing ring 10 is O-ring sealing ring.
The bonnet 5 compresses filler assembly 14 by gland 15, filler assembly 14 is tightly squeezed on valve rod 3,
It ensure that valve seal performance is good, No leakage.
During practical application, valve rod is wholely set with valve element, is moved up and down by valve rod band movable valve plug, band movable valve plug is close
Seal ring and elongated scarfing relative displacement, so as to change the circulation area of elongated scarfing, so as to change valve flow size;Structure is set
Count that reasonable, simple in construction, valve element is hardly damaged, good seal performance, esy to use, safe and reliable and service life are grown.
Above-described embodiment is served only for that the present invention is further described, it is impossible to be interpreted as to the specific descriptions of the present invention
Limiting the scope of the present invention, it is non-that the technician of this area according to the content of foregoing invention makes some to the present invention
The modifications and adaptations of essence are each fallen within protection scope of the present invention.
Claims (8)
1. a kind of micro-flow regulating valve, including valve body (1), valve seat (2), valve rod (3), valve element (4) and bonnet (5), the valve
Valve body middle chamber (11) is provided with body (1), it is characterised in that:Valve body middle chamber (11) lower end is provided with a valve seat pad
(6) valve seat (2), is installed, valve seat (2) upper end is provided with a tiny flow quantity and is oriented to valve cage on the valve seat pad (6)
(7), bonnet (5) lower end is oriented to valve cage (7) with tiny flow quantity and is connected, and the tiny flow quantity is compressed by locking bonnet (5)
Valve cage (7) is oriented to, is vertically provided with a valve rod mounting hole (12) in the middle part of the bonnet (5), the valve rod (3) is located in valve rod
In mounting hole (12), valve rod (3) lower end is wholely set with valve element (4), and valve element (4) lower end is detachably provided with seal spool
Ring (8);The tiny flow quantity is oriented on valve cage (7) and is provided with elongated scarfing (71), by valve rod (3) band movable valve plug (4) up and down
Motion, valve element (4) drives seal spool ring (8) and elongated scarfing (71) relative displacement, so as to change the stream of elongated scarfing (71)
Logical area, realizes and changes flow.
A kind of 2. micro-flow regulating valve according to claim 1, it is characterised in that:One on valve element (4) lower surface
Body is provided with a positioning boss (41), and positioning boss (41) lower end has been wholely set a threaded joints (42), institute
State threaded joints (42) lower end and be wholely set a valve element locating rod (43), the seal spool ring (8) is arranged on positioning
On boss (41), a location nut (9) is threaded with the threaded joints (42), is locked by location nut (9)
Seal spool ring (8).
A kind of 3. micro-flow regulating valve according to claim 2, it is characterised in that:The middle part of the valve seat (2) is vertical
A valve element positioning jack (21) is provided with, valve element locating rod (43) the insertion valve element positioning jack (21) is set.
A kind of 4. micro-flow regulating valve according to claim 1 or 3, it is characterised in that:The tiny flow quantity guide valve
A valve element movable span (72) is vertically provided with the middle part of cage (7), valve element movable span (72) lower port is provided with a valve
Seat locating notch.
A kind of 5. micro-flow regulating valve according to claim 4, it is characterised in that:The upper end one of the valve seat (2)
A guiding valve cage positioning boss matched with the valve seat locating notch is provided with, and tiny flow quantity is oriented under valve cage (7)
A valve base sealing ring (10) is provided between end face and the upper surface of valve seat (2).
A kind of 6. micro-flow regulating valve according to claim 5, it is characterised in that:It is equipped with the bonnet (5) more
Individual bolt (13), bonnet (5) are locked by bolt (13) and valve body (1).
A kind of 7. micro-flow regulating valve according to claim 6, it is characterised in that:Above the valve rod mounting hole (12)
Filler assembly (14) and gland (15) are provided with, the gland (15) is connected with bonnet (5) threaded upper ends, and filler
Gland (15) compresses filler assembly (14).
A kind of 8. micro-flow regulating valve according to claim 1, it is characterised in that:The width of the elongated scarfing (71)
For 0.2mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710836826.5A CN107387785A (en) | 2017-09-17 | 2017-09-17 | A kind of micro-flow regulating valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710836826.5A CN107387785A (en) | 2017-09-17 | 2017-09-17 | A kind of micro-flow regulating valve |
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CN107387785A true CN107387785A (en) | 2017-11-24 |
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Family Applications (1)
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CN201710836826.5A Pending CN107387785A (en) | 2017-09-17 | 2017-09-17 | A kind of micro-flow regulating valve |
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CN (1) | CN107387785A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117739131A (en) * | 2024-02-20 | 2024-03-22 | 中国石油大学(华东) | Pump valve integrated device capable of controlling pipeline flow |
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CN102422065A (en) * | 2009-04-28 | 2012-04-18 | 费希尔控制国际公司 | Bidirectional seal assembly for use with valves |
CN202867872U (en) * | 2012-11-22 | 2013-04-10 | 浙江贝尔控制阀门有限公司 | Small-flow high-pressure regulating valve |
CN103527799A (en) * | 2013-08-05 | 2014-01-22 | 南通市电站阀门有限公司 | High-pressure adjusting valve |
CN103867735A (en) * | 2014-03-28 | 2014-06-18 | 株洲南方阀门股份有限公司 | Main water supply bypass regulating valve |
CN203940014U (en) * | 2014-05-15 | 2014-11-12 | 哈尔滨滨大阀门制造有限公司 | Novel sliding black box |
CN204961834U (en) * | 2015-07-07 | 2016-01-13 | 杨镇纲 | Little flow control valve door of multi stage decompression |
CN205136798U (en) * | 2015-11-03 | 2016-04-06 | 天津精通控制仪表技术有限公司 | Multi stage decompression maze cage type adjusting valve |
CN206017750U (en) * | 2016-09-21 | 2017-03-15 | 山东菲特自控阀门制造有限公司 | Metal C-shaped ring balanced type high-temp. high-pressure differential |
CN207195691U (en) * | 2017-09-17 | 2018-04-06 | 浙江贝尔控制阀门有限公司 | A kind of micro-flow regulating valve |
-
2017
- 2017-09-17 CN CN201710836826.5A patent/CN107387785A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102422065A (en) * | 2009-04-28 | 2012-04-18 | 费希尔控制国际公司 | Bidirectional seal assembly for use with valves |
CN202867872U (en) * | 2012-11-22 | 2013-04-10 | 浙江贝尔控制阀门有限公司 | Small-flow high-pressure regulating valve |
CN103527799A (en) * | 2013-08-05 | 2014-01-22 | 南通市电站阀门有限公司 | High-pressure adjusting valve |
CN103867735A (en) * | 2014-03-28 | 2014-06-18 | 株洲南方阀门股份有限公司 | Main water supply bypass regulating valve |
CN203940014U (en) * | 2014-05-15 | 2014-11-12 | 哈尔滨滨大阀门制造有限公司 | Novel sliding black box |
CN204961834U (en) * | 2015-07-07 | 2016-01-13 | 杨镇纲 | Little flow control valve door of multi stage decompression |
CN205136798U (en) * | 2015-11-03 | 2016-04-06 | 天津精通控制仪表技术有限公司 | Multi stage decompression maze cage type adjusting valve |
CN206017750U (en) * | 2016-09-21 | 2017-03-15 | 山东菲特自控阀门制造有限公司 | Metal C-shaped ring balanced type high-temp. high-pressure differential |
CN207195691U (en) * | 2017-09-17 | 2018-04-06 | 浙江贝尔控制阀门有限公司 | A kind of micro-flow regulating valve |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117739131A (en) * | 2024-02-20 | 2024-03-22 | 中国石油大学(华东) | Pump valve integrated device capable of controlling pipeline flow |
CN117739131B (en) * | 2024-02-20 | 2024-05-07 | 中国石油大学(华东) | Pump valve integrated device capable of controlling pipeline flow |
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