CN109058486A - A kind of more valve rod regulating valves - Google Patents

A kind of more valve rod regulating valves Download PDF

Info

Publication number
CN109058486A
CN109058486A CN201811303174.XA CN201811303174A CN109058486A CN 109058486 A CN109058486 A CN 109058486A CN 201811303174 A CN201811303174 A CN 201811303174A CN 109058486 A CN109058486 A CN 109058486A
Authority
CN
China
Prior art keywords
valve
flap
valve rod
gear
rod
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.)
Withdrawn
Application number
CN201811303174.XA
Other languages
Chinese (zh)
Inventor
李祥庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811303174.XA priority Critical patent/CN109058486A/en
Publication of CN109058486A publication Critical patent/CN109058486A/en
Withdrawn legal-status Critical Current

Links

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
    • F16K1/44—Details of seats or valve members of double-seat valves
    • 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
    • F16K1/487—Attaching valve members to screw-spindles by a fixing element extending in the axial direction of the spindle, e.g. a screw
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • 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)
  • Mechanically-Actuated Valves (AREA)

Abstract

The present invention relates to a kind of more valve rod regulating valves, it is characterized by: the valve further includes vertically arranged inner valve stem, the inner valve stem is mounted on inside upper valve rod, inner valve stem lower end extends downwardly into inside upper flap, inner valve stem lower part, which is equipped with, limits the inner valve stem limited block mobile relative to upper flap, the limited block is placed in inside upper flap, inner valve stem lower end is additionally provided with adjusting external screw thread, lift block and anti-rotation groove are additionally provided with inside upper flap, lift block top is equipped with the adjusting internal screw thread matched with adjusting external screw thread, the anti-rotation shin for protruding into anti-rotation groove is equipped with outside lift block, lower valve rod is extended upwardly into upper flap and is fixedly connected with lift block, upper valve rod top is additionally provided with gear-box, worm gear is equipped in gear-box, the worm gear forms a fixed connection with inner valve stem top, the regulating device that can control worm gear rotation is additionally provided in the middle part of gear-box, with good airproof performance , adjust stablize, the good advantage of vibration proof.

Description

A kind of more valve rod regulating valves
Technical field
The present invention relates to a kind of regulating valve more particularly to a kind of more valve rod regulating valves.
Background technique
Double seat regulating valve specifically includes that valve body, upper valve base, lower valve base, upper flap, lower Disc, valve inner be equipped with into Mouth channel and exit passageway, intake channel lateral arrangement, exit passageway are arranged at horizontal y-type structure, intake channel and exit passageway Between be equipped with the cavity wall of horizontal U-shaped structure, the top of cavity wall is arranged in upper valve base, and the lower part of cavity wall, upper and lower valve seat is arranged in lower valve base Upper end be respectively equipped with upper and lower sealing surface of seat, upper and lower flap is fixed on the lower part of valve rod at tandem, upper and lower flap this Equipped with lower valve rod, upper flap setting outlet upper part of channel, lower Disc setting is respectively equipped in the middle part of intake channel, upper and lower flap Upper and lower valve clack sealing surface can control upper and lower valve clack sealing surface and upper and lower sealing surface of seat by moving up and down upper valve rod respectively The distance between, so that playing the role of regulating valve goes out pressure, flow, and its shortcoming is that: due to mismachining tolerance, assembly etc. Influence, when mobile upper valve rod, the distance between upper flap sealing surface and upper valve base sealing surface can not be with lower Disc sealing surfaces The distance between lower valve base sealing surface is consistent, when needing to close the valve, is unable to reach whole sealing status, leakage rate is big, together When upper flap and lower Disc between be fixedly installed, have processing difficulties, technological deficiency at high cost.
Summary of the invention
For technological deficiency existing in the prior art, the present invention provides a kind of using good airproof performance, adjusting stabilization, vibrationproof A kind of good more valve rod regulating valves of dynamic property.
The present invention realizes by following technical solution:
A kind of more valve rod regulating valves, comprising: valve body, upper valve base, lower valve base, upper flap, lower Disc, valve deck, upper valve rod, bracket And driving device, valve inner are equipped with intake channel and exit passageway, intake channel lateral arrangement, exit passageway is at horizontal Y type knot Structure setting, is equipped with the cavity wall of horizontal U-shaped structure between intake channel and exit passageway, the top of cavity wall, lower valve is arranged in upper valve base The lower part of cavity wall is arranged in seat, and the upper end of upper and lower valve seat is respectively equipped with upper and lower sealing surface of seat, and upper and lower flap is pacified at tandem Mounted in the lower section of upper valve rod, lower valve rod is equipped between upper and lower flap, lower valve rod lower end is fixedly connected with lower Disc, and upper flap is set It sets on exit passageway top, lower Disc setting is respectively equipped with upper and lower valve clack sealing surface, valve in the middle part of intake channel, upper and lower flap In valve body upper end, valve deck upper end is equipped with groove for lid setting, is equipped with filler in groove, groove top is additionally provided with gland, and gland is downward Filler is compressed, pedestal lower end is fixedly mounted on valve deck top, and the rack-mount portion of driving device, upper valve rod upper end upwardly penetrates through Valve deck, groove and bracket protrude into driving device, and upper valve rod lower end is fixedly connected with upper flap, it is characterised in that: the valve also wraps Vertically arranged inner valve stem is included, which is mounted on inside upper valve rod, and inner valve stem lower end extends downwardly into inside upper flap, internal valve Bar lower part, which is equipped with, limits the inner valve stem limited block mobile relative to upper flap, which is placed in inside upper flap, inner valve stem Lower end is additionally provided with adjusting external screw thread, and lift block and anti-rotation groove are additionally provided with inside upper flap, and lift block top is equipped with and adjusts outer spiral shell The adjusting internal screw thread that line matches, lift block outside are equipped with the anti-rotation shin for protruding into anti-rotation groove, and lower valve rod extends upwardly into upper flap And be fixedly connected with lift block, upper valve rod top is additionally provided with gear-box, is equipped with worm gear, the worm gear and inner valve stem top in gear-box It forms a fixed connection, the regulating device that can control worm gear rotation is additionally provided in the middle part of gear-box, the regulating device includes left set Pipe, adjusting rod, right casing and handwheel, left casing are fixed at the side of gear-box, and right casing is fixed at gear-box The other side, one end of adjusting rod pass through right inside pipe casing and protrude into left inside pipe casing, be equipped with and worm wheel shape in the middle part of adjusting rod At the worm screw of Worm Wheel System, the other end of adjusting rod is arranged in handwheel.
Further, rubber seal is equipped between the inner valve stem outer circle and upper valve rod.
Further, guide sleeve is equipped between the valve body and valve deck.
Further, the driving device is pneumatic device or hydraulically operated equipment or electric device.
The present invention has the advantages that the setting of inner valve stem and regulating device, when opening/shutting valve, it is ensured that upper flap sealing surface and The distance between upper valve base sealing surface is consistent with the distance between lower Disc sealing surface and lower valve base sealing surface, has good airproof performance The advantages of；Have the advantages that simultaneously easy to process, at low cost；The setting of guide sleeve has the advantages that vibration proof is good.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of more valve rod regulating valves of the present invention.
Specific embodiment
As can be seen from FIG. 1, a kind of more valve rod regulating valves, comprising: valve body 1, upper valve base 7, lower valve base 3, upper flap 6, under Flap 4, valve deck 11, upper valve rod 12, bracket 16 and driving device 20 are equipped with intake channel 2 and exit passageway 24 inside valve body 1, 2 lateral arrangement of intake channel, exit passageway 24 are arranged at horizontal y-type structure, and horizontal U is equipped between intake channel 2 and exit passageway 24 The cavity wall of type structure, upper valve base 7 are arranged in the top of cavity wall, and lower valve base 3 is arranged in the lower part of cavity wall, upper and lower valve seat 7,3 it is upper End is respectively equipped with upper and lower sealing surface of seat, and upper and lower flap 6,4 one-tenth tandems are mounted on the lower section of upper valve rod 12, upper and lower flap 6, lower valve rod 5 is equipped between 4,5 lower end of lower valve rod is fixedly connected with lower Disc 4, and upper flap 6 is arranged on 24 top of exit passageway, The setting of lower Disc 4 is respectively equipped with upper and lower valve clack sealing surface at intake channel 2, upper and lower 6,4 middle part of flap, and valve deck 11 is arranged in valve 1 upper end of body, 11 upper end of valve deck are equipped with groove, are equipped with filler 14 in groove, groove top is additionally provided with gland 15, and gland 15 is pressed downward Tight filler 14,16 lower end of bracket are fixedly mounted on 11 top of valve deck, and driving device 20 is mounted on 16 top of bracket, on upper valve rod 12 End upwardly penetrates through valve deck 11, groove and bracket 16 and protrudes into driving device 20, and 12 lower end of upper valve rod is fixedly connected with upper flap 6, The valve further includes vertically arranged inner valve stem 13, which is mounted on inside upper valve rod 12, and 13 lower end of inner valve stem is stretched downwards Enter inside upper flap 6,13 lower part of inner valve stem, which is equipped with, limits the inner valve stem 13 limited block 9 mobile relative to upper flap 6, the limit Block 9 is placed in inside upper flap 6, and 13 lower end of inner valve stem is additionally provided with adjusting external screw thread, and lift block 8 is additionally provided with inside upper flap 6 and is prevented Turn trough, 8 top of lift block are equipped with the adjusting internal screw thread matched with adjusting external screw thread, are equipped with outside lift block 8 and protrude into anti-rotation groove Anti-rotation shin, lower valve rod 5 extends upwardly into upper flap 6 and is fixedly connected with lift block 8, and 12 top of upper valve rod is additionally provided with gear-box 19, gear-box 19 is interior to be equipped with worm gear 18, which forms a fixed connection with 13 top of inner valve stem, also sets at 19 middle part of gear-box There is the regulating device that can control worm gear rotation, the regulating device includes left casing 17, adjusting rod 21, right casing 22 and handwheel 23, left casing 17 is fixed at the side of gear-box 19, and right casing 22 is fixed at the other side of gear-box 19, adjusting rod 21 one end passes through to be protruded into inside left casing 17 inside right casing 22, is equipped in the middle part of adjusting rod 21 and is matched to form snail with worm gear 18 The worm screw of worm and gear transmission, the other end of adjusting rod 21 is arranged in handwheel 23, between 13 outer circle of inner valve stem and outer valve rod 12 Equipped with rubber seal, guide sleeve 10 is equipped between the valve body 1 and valve deck 11.
Before using the valve, it is sealed test first, when valve is in close state, is passed through examination from intake channel Medium is tested, observation exit passageway has No leakage, due to the influence of mismachining tolerance, assembly etc., upper flap sealing surface and upper valve The distance between seat sealing surface can not be consistent with the distance between lower Disc sealing surface and lower valve base sealing surface, therefore is unable to reach Whole sealing status.
When having formed sealing between upper flap sealing surface and upper valve base sealing surface, and lower Disc sealing surface and lower valve base sealing When between face there are no sealing is formed, handwheel is rotated clockwise, adjusting rod and worm screw rotation is driven, utilizes Worm Wheel System Mode drives inner valve stem to rotate, and in the case where adjusting external screw thread and adjusting the cooperation of internal screw thread, drives lift block, lower valve rod and lower Disc It moves down, until lower Disc sealing surface and lower valve base sealing surface are formed and sealed.
Instantly sealing has been formed between valve clack sealing surface and lower valve base sealing surface, and upper flap sealing surface and upper valve base seal When between face there are no sealing is formed, rotation hand wheel counterclockwise drives adjusting rod and worm screw rotation, utilizes Worm Wheel System Mode drives inner valve stem to rotate, and in the case where adjusting external screw thread and adjusting the cooperation of internal screw thread, upper flap is driven to move down, until upper Valve clack sealing surface and upper valve base sealing surface, which are formed, to be sealed.
At this point, in the valve use process, when moving up and down upper valve rod, upper flap sealing surface and upper valve base sealing surface it Between distance and the distance between lower Disc sealing surface and lower valve base sealing surface it is consistent.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (3)

1. a kind of more valve rod regulating valves, comprising: valve body, upper valve base, lower valve base, upper flap, lower Disc, valve deck, upper valve rod, bracket And driving device, valve inner are equipped with intake channel and exit passageway, intake channel lateral arrangement, exit passageway is at horizontal Y type knot Structure setting, is equipped with the cavity wall of horizontal U-shaped structure between intake channel and exit passageway, the top of cavity wall, lower valve is arranged in upper valve base The lower part of cavity wall is arranged in seat, and the upper end of upper and lower valve seat is respectively equipped with upper and lower sealing surface of seat, and upper and lower flap is pacified at tandem Mounted in the lower section of upper valve rod, lower valve rod is equipped between upper and lower flap, lower valve rod lower end is fixedly connected with lower Disc, and upper flap is set It sets on exit passageway top, lower Disc setting is respectively equipped with upper and lower valve clack sealing surface, valve in the middle part of intake channel, upper and lower flap In valve body upper end, valve deck upper end is equipped with groove for lid setting, is equipped with filler in groove, groove top is additionally provided with gland, and gland is downward Filler is compressed, pedestal lower end is fixedly mounted on valve deck top, and the rack-mount portion of driving device, upper valve rod upper end upwardly penetrates through Valve deck, groove and bracket protrude into driving device, and upper valve rod lower end is fixedly connected with upper flap, it is characterised in that: the valve also wraps Vertically arranged inner valve stem is included, which is mounted on inside upper valve rod, and inner valve stem lower end extends downwardly into inside upper flap, internal valve Bar lower part, which is equipped with, limits the inner valve stem limited block mobile relative to upper flap, which is placed in inside upper flap, inner valve stem Lower end is additionally provided with adjusting external screw thread, and lift block and anti-rotation groove are additionally provided with inside upper flap, and lift block top is equipped with and adjusts outer spiral shell The adjusting internal screw thread that line matches, lift block outside are equipped with the anti-rotation shin for protruding into anti-rotation groove, and lower valve rod extends upwardly into upper flap And be fixedly connected with lift block, upper valve rod top is additionally provided with gear-box, is equipped with worm gear, the worm gear and inner valve stem top in gear-box It forms a fixed connection, the regulating device that can control worm gear rotation is additionally provided in the middle part of gear-box, the regulating device includes left set Pipe, adjusting rod, right casing and handwheel, left casing are fixed at the side of gear-box, and right casing is fixed at gear-box The other side, one end of adjusting rod pass through right inside pipe casing and protrude into left inside pipe casing, be equipped with and worm wheel shape in the middle part of adjusting rod At the worm screw of Worm Wheel System, the other end of adjusting rod is arranged in handwheel.
2. a kind of more valve rod regulating valves according to claim 1, it is characterised in that: be equipped with and lead between the valve body and valve deck To set.
3. a kind of more valve rod regulating valves according to claim 1, it is characterised in that: the driving device be pneumatic device or Hydraulically operated equipment or electric device.
CN201811303174.XA 2018-11-02 2018-11-02 A kind of more valve rod regulating valves Withdrawn CN109058486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811303174.XA CN109058486A (en) 2018-11-02 2018-11-02 A kind of more valve rod regulating valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811303174.XA CN109058486A (en) 2018-11-02 2018-11-02 A kind of more valve rod regulating valves

Publications (1)

Publication Number Publication Date
CN109058486A true CN109058486A (en) 2018-12-21

Family

ID=64789051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811303174.XA Withdrawn CN109058486A (en) 2018-11-02 2018-11-02 A kind of more valve rod regulating valves

Country Status (1)

Country Link
CN (1) CN109058486A (en)

Similar Documents

Publication Publication Date Title
CN106763856A (en) One kind is without abradable seal plug valve
CN205504071U (en) Atmospheric pressure diaphragm valve
CN109268514A (en) A kind of high leakproofness pneumatic control valve and its application method
CN108692050A (en) A kind of dark rod flat plate gate valve
CN106678405A (en) High-pressure self-sealing valve
CN207333755U (en) A kind of spool of flow control valve
CN109058486A (en) A kind of more valve rod regulating valves
CN207514319U (en) A kind of pressure reducing valve
CN109139943B (en) Regulating valve with displacement fine-tuning device
CN109163105B (en) double-valve-rod regulating valve and assembling method thereof
CN109253268A (en) A kind of band gear-box regulating valve and its application method
CN202118294U (en) High-pressure hard seal ball valve
CN208535270U (en) A kind of extra quality sealing column plug valve
CN109944969A (en) A kind of flow control valve of the high-performance without water hammer
CN109058487A (en) A kind of displacement adjustable pneumatic regulating valve of two-seater
CN110425298B (en) Top-mounted ball valve
CN109058485A (en) A kind of regulating valve of two-seater
CN108692054A (en) A kind of valve seat protection against erosion ball valve
CN214838417U (en) Stop valve
CN109058474A (en) A kind of regulating valve and its application method
CN109268515A (en) A kind of band displacement micromatic setting regulating valve application method
CN209213006U (en) Very stiff and demanding cone ball face sealing butterfly valve
CN207830701U (en) A kind of flat gate valve
CN109237049A (en) A kind of fine adjustment control valve and its assembly method
CN205937917U (en) Stop valve structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20181221

WW01 Invention patent application withdrawn after publication