CN108591598A - Axle sealing structure in a kind of shut-off valve - Google Patents
Axle sealing structure in a kind of shut-off valve Download PDFInfo
- Publication number
- CN108591598A CN108591598A CN201810414664.0A CN201810414664A CN108591598A CN 108591598 A CN108591598 A CN 108591598A CN 201810414664 A CN201810414664 A CN 201810414664A CN 108591598 A CN108591598 A CN 108591598A
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- Prior art keywords
- miniature
- filler
- sealing
- shaped filler
- annular
- Prior art date
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- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 71
- 239000000945 filler Substances 0.000 claims abstract description 100
- 210000004907 gland Anatomy 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Axle sealing structure in a kind of shut-off valve of present invention offer, including valve body, pilot hole, axis, seal assembly and ejection assembly, the axis is assemblied in inside pilot hole, the seal assembly is arranged between axis and valve body, the ejection assembly is mounted on the valve inner on the downside of seal assembly, the seal assembly includes concave station, seal O-shaped filler one, 304 holders, annular groove, seal O-shaped filler two, V-type filler, pressing sleeve, V-type groove, gland and connector, the ejection assembly includes blind hole, miniature lead screw, Miniature ball nut seat, miniature gears, miniature ring gear, sealing-plug, sliding slot, sliding block, rack bar, through-hole and annular installation cavity, compared with prior art, the present invention has following advantageous effect：Sealing effect is improved, avoids and is occurred by the case where vibrating failure, and convenient for sealing the ejection of O-shaped filler one, sealing O-shaped filler two, 304 holders and V-type filler, it is convenient to replace.
Description
Technical field
The present invention is axle sealing structure in a kind of shut-off valve, belongs to valve body technical field.
Background technology
In the prior art, axle sealing structure in universal shut-off valve generally uses V-type filler, works out PTFE fillers or stone
Black filler, axle sealing structure in these are still able to use under general operating mode, but under the vibration environments such as motor-car,
Sealing performance will weaken significantly, and often in use for some time, shut-off valve axis leaks, and when sealing structure is impaired
Afterwards, it is inconvenient to take out, and replacement operation is cumbersome, so needing in a kind of shut-off valve axle sealing structure to solve asking for above-mentioned appearance
Topic.
Invention content
In view of the deficienciess of the prior art, it is an object of the present invention to provide axle sealing structure in a kind of shut-off valve, to solve
The problems mentioned above in the background art.
To achieve the goals above, the present invention is to realize by the following technical solutions：Sealing in a kind of shut-off valve
Structure, including valve body, pilot hole, axis, seal assembly and ejection assembly, the pilot hole is opened in valve body upper end, described
Axis is assemblied in inside pilot hole, and the seal assembly is arranged between axis and valve body, and the ejection assembly is mounted on sealing
Valve inner on the downside of component, the seal assembly include concave station, the O-shaped filler one of sealing, 304 holders, annular groove, sealing O
Type filler two, V-type filler, pressing sleeve, V-type groove, gland and connector, the ejection assembly includes blind hole, miniature lead screw, micro-
Type ball nut mount, miniature gears, miniature ring gear, sealing-plug, sliding slot, sliding block, rack bar, through-hole and annular installation cavity.
Further, in the seal assembly, the concave station is opened in pilot hole inner upper end, the 304 holder peace
Mounted in concave station interior lower end, and 304 internal stents are equipped with axis, and 304 pedestal lower end face marginal position is machined with annular
Slot, the annular groove mounted inside have the O-shaped filler one of sealing, and seal O-shaped one outer surface of filler and fit with concave station inner wall, institute
It states 304 internal stent annular sides and offers annular groove, and annular groove mounted inside has the O-shaped filler two of sealing, and seal O
Two lateral surface of type filler is fitted closely with axis annular side, and 304 pedestal upper end is equipped with V-type filler, the V-type filler
Upper end is provided with pressing sleeve, and pressing sleeve is assemblied in axis annular side, and the pressing sleeve upper end is equipped with gland, and the gland passes through company
Fitting is connected with valve body, and the connector lower end is connected with valve body.
Further, the O-shaped filler one of the sealing and the O-shaped filler of sealing two are the filler with compensation function,
In actual use, when the present apparatus is given a shock power, shaking force acts on 304 holders, the O-shaped filler one of sealing and sealing O
On type filler two, compensation function is all had due to sealing O-shaped filler one and sealing O-shaped filler two, so can adapt to vibrations ring
Border coordinates V-type filler, can effectively avoid occurring the case where sealing timeliness.
Further, the connector upper end is machined with external screw thread, and connector upper end passes through gland, and is equipped with spiral shell
After 304 holders and V-type filler are assembled to pilot hole inside, pressure ring is assembled in middle shaft collar in actual use by mother
Then shape side assembles gland in pressure ring upper end, and pass through connector upper end, and nut is assembled the connector on the upside of gland
Behind upper end, rotating nuts make nut that gland be driven to move down, to which gland is pressed on pressure ring upper end, realize V-type filler with
And 304 holder fixation, convenient for the installation of V-type filler and 304 holders.
Further, in the ejection assembly, on the left of the pilot hole downside and right side offers blind hole, institute
It states blind hole and is internally provided with miniature lead screw, the miniature lead screw is assemblied in inside Miniature ball nut seat, the Miniature ball spiral shell
Female seat is assemblied in inside annular installation cavity, and the annular installation cavity is opened in the valve inner on the outside of blind hole, the Miniature ball
Nut seat annular side is equipped with miniature gears, and miniature ring gear, the miniature ring gear are equipped on the outside of the miniature gears
Inside annular installation cavity, and miniature ring gear is meshed by the gear teeth with miniature gears, inside the annular installation cavity
Upper side and downside offer sliding slot, and the sliding slot mounted inside has a sliding block, the miniature ring gear upper surface and
Lower end is connected with sliding block respectively, and the valve inner on the right side of the annular installation cavity offers through-hole, the through-hole mounted inside
In rack bar, the miniature ring gear annular side is machined with external gear teeth, and the rack bar is meshed by the gear teeth with external gear teeth.
Further, the rack bar front end is equipped with handle, and through-hole upper inside face and downside process
There is guide groove, the rack bar upper surface and lower face are respectively and fixedly provided with guide pad, and guide pad is assemblied in inside guide groove,
In actual use, handle is pushed backward, and handle movement drives rack bar to move backward, since rack bar is mutually nibbled with external gear teeth
It closes, so rack bar movement band actuating miniature ring gear rotates, miniature ring gear rotation band movable slider moves inside sliding slot, simultaneously
Miniature ring gear drives miniature gears rotation, miniature gears rotation to drive the rotation of Miniature ball nut seat, realize the biography of power
It passs.
Further, the Miniature ball nut seat is connected by ball nut pair with miniature lead screw, the miniature rolling
Pearl nut seat and miniature gears upper side and downside are mounted on ball, in actual use, when needing to take out
When seal assembly, gland and pressure ring are dismantled, when Miniature ball nut seat rotates, ball nut adjutant's Miniature ball spiral shell
The rotary motion of female seat is converted to linear motion, and to which miniature lead screw moves up, miniature lead screw movement drives sealing-plug upward
Mobile, sealing-plug movement band O-shaped one and 304 holder of filler of dynamic sealing moves up, and then V-type filler is driven to move up,
Pilot hole is removed to which O-shaped filler one, the O-shaped filler two of sealing, 304 holders and V-type filler will be sealed, convenient for sealing O-shaped fill out
The taking-up of material one, sealing O-shaped filler two, 304 holders and V-type filler, it is convenient to replace.
Beneficial effects of the present invention：Axle sealing structure in a kind of shut-off valve of the present invention, because the present invention is added to concave station, close
Seal O-shaped filler one, 304 holders, annular groove, the O-shaped filler two of sealing, V-type filler, pressing sleeve, V-type groove, gland and connection
Part improves sealing effect, avoids and is occurred by the case where vibrating failure.
Because the present invention is added to blind hole, miniature lead screw, Miniature ball nut seat, miniature gears, miniature ring gear, sealing
Plug, sliding slot, sliding block, rack bar, through-hole and annular installation cavity, convenient for sealing O-shaped filler one, the O-shaped filler two, 304 of sealing
The ejection of frame and V-type filler, it is convenient to replace.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural schematic diagram of axle sealing structure in a kind of shut-off valve of the present invention；
Fig. 2 is the structural schematic diagram of seal assembly in axle sealing structure in a kind of shut-off valve of the present invention；
Fig. 3 is the structural schematic diagram of ejection assembly in axle sealing structure in a kind of shut-off valve of the present invention；
Fig. 4 is enlarged diagram at the A of ejection assembly in axle sealing structure in a kind of shut-off valve of the present invention；
In figure：1- valve bodies, 2- pilot holes, 3- axis, 4- seal assemblies, 5- ejection assemblies, 401- concave stations, 402- seal O-shaped fill out
Material one, 403-304 holders, 404- annular grooves, 405- seal O-shaped filler two, 406-V types filler, 407- pressing sleeves, 408-V types
Groove, 409- glands, 410- connectors, 501- blind holes, the miniature lead screws of 502-, 503- Miniature balls nut seat, the miniature teeth of 504-
Wheel, the miniature ring gears of 505-, 506- sealing-plugs, 507- sliding slots, 508- sliding blocks, 509- rack bars, 510- through-holes, 511- annulars peace
It behave affectedly.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
- Fig. 4 is please referred to Fig.1, the present invention provides a kind of technical solution：Axle sealing structure in a kind of shut-off valve, including valve body
1, pilot hole 2, axis 3, seal assembly 4 and ejection assembly 5, pilot hole 2 are opened in 1 upper end of valve body, and axis 3 is assemblied in assembly
Inside hole 2, seal assembly 4 is arranged between axis 3 and valve body 1, and ejection assembly 5 is mounted in the valve body 1 of 4 downside of seal assembly
Portion, seal assembly 4 include concave station 401, the O-shaped filler 1 of sealing, 304 holders 403, annular groove 404, seal O-shaped filler two
405, V-type filler 406, pressing sleeve 407, V-type groove 408, gland 409 and connector 410, ejection assembly 5 include blind hole 501,
Miniature lead screw 502, miniature gears 504, miniature ring gear 505, sealing-plug 506, sliding slot 507, is slided Miniature ball nut seat 503
Block 508, rack bar 509, through-hole 510 and annular installation cavity 511.
In seal assembly 4, concave station 401 is opened in 2 inner upper end of pilot hole, and 304 holders 403 are mounted in concave station 401
Subordinate end, and 304 holder, 403 mounted inside has 3,304 holder of axis, 403 lower face marginal position to be machined with annular groove, annular
Slot mounted inside has the O-shaped filler 1 of sealing, and seals O-shaped one 402 outer surface of filler and fit with 401 inner wall of concave station, and 304
403 inner annular side of holder offers annular groove 404, and 404 mounted inside of annular groove has the O-shaped filler 2 405 of sealing,
And O-shaped 2 405 lateral surface of filler of sealing is fitted closely with 3 annular side of axis, 304 holder, 403 upper end is equipped with V-type filler
406,406 upper end of V-type filler is provided with pressing sleeve 407, and pressing sleeve 407 is assemblied in 3 annular side of axis, the assembly of 407 upper end of pressing sleeve
There are gland 409, gland 409 to be connected with valve body 1 by connector 410,410 lower end of connector is connected with valve body 1.
In ejection assembly 5, on the left of 2 downside of pilot hole and right side offers blind hole 501, is set inside blind hole 501
It is equipped with miniature lead screw 502, miniature lead screw 502 is assemblied in inside Miniature ball nut seat 503, and Miniature ball nut seat 503 assembles
Inside annular installation cavity 511, annular installation cavity 511 is opened in inside the valve body 1 in 501 outside of blind hole, Miniature ball nut seat
503 annular sides are equipped with miniature gears 504, and 504 outside of miniature gears is equipped with miniature ring gear 505, miniature ring gear 505
Inside annular installation cavity 511, and miniature ring gear 505 is meshed by the gear teeth with miniature gears 504, annular installation cavity
511 upper inside faces and downside offer sliding slot 507, and 507 mounted inside of sliding slot has sliding block 508, miniature ring gear 505
Upper surface and lower end are connected with sliding block 508 respectively, and through-hole 510 is offered inside the valve body 1 on 511 right side of annular installation cavity,
510 mounted inside of through-hole is machined with external gear teeth in rack bar 509,505 annular side of miniature ring gear, and rack bar 509 passes through wheel
Tooth is meshed with external gear teeth.
As an embodiment of the present invention：It is to have to mend to seal O-shaped filler 1 and seal O-shaped filler 2 405
The filler of function is repaid, in actual use, when the present apparatus is given a shock power, shaking force acts on 304 holders 403, close
It seals O-shaped filler 1 and seals on O-shaped filler 2 405, have due to sealing O-shaped filler 1 and sealing O-shaped filler 2 405
There is compensation function, so can adapt to vibration environment, cooperation V-type filler 406 can effectively avoid sending out the case where sealing timeliness
It is raw.
As an embodiment of the present invention：410 upper end of connector is machined with external screw thread, and 410 upper end of connector passes through
Gland 409, and it is equipped with nut, in actual use, 304 holders 403 and V-type filler 406 are assembled to pilot hole 2
Behind inside, pressing sleeve 407 is assembled in 3 annular side of axis, is then assembled gland 409 in 407 upper end of pressing sleeve, and across connection
410 upper end of part, by nut assembly behind 410 upper end of connector of 409 upside of gland, rotating nuts make nut drive gland 409
It moves down, to which gland 409 is pressed on 407 upper end of pressing sleeve, realizes the fixation of V-type filler 406 and 304 holders 403, just
In the installation of V-type filler 406 and 304 holders 403.
As an embodiment of the present invention：509 front end of rack bar is equipped with handle, 510 upper inside face of through-hole and
Downside is machined with guide groove, and 509 upper surface of rack bar and lower face are respectively and fixedly provided with guide pad, and guide pad is assemblied in and leads
To the inside of slot, in actual use, handle is pushed backward, handle movement drives rack bar 509 to move backward, due to rack
Bar 509 is meshed with external gear teeth, so the movement band actuating miniature of rack bar 509 ring gear 505 rotates, miniature ring gear 505 rotates
Band movable slider 508 moves inside sliding slot 507, while miniature ring gear 505 drives miniature gears 504 to rotate, miniature gears 504
Rotation drives Miniature ball nut seat 503 to rotate, and realizes the transmission of power.
As an embodiment of the present invention：Miniature ball nut seat 503 passes through ball nut pair and 502 phase of miniature lead screw
Connection, Miniature ball nut seat 503 and 504 upper side of miniature gears and downside are mounted on ball, are actually using
In the process, when needing to take out seal assembly 4, gland 409 and pressing sleeve 407 are dismantled, 503 turns of Miniature ball nut seat
When dynamic, the rotary motion of ball nut adjutant's Miniature ball nut seat 503 is converted to linear motion, thus miniature lead screw 502 to
Upper movement, the movement of miniature lead screw 502 drive sealing-plug 506 to move up, the O-shaped filler of the movement band dynamic sealing of sealing-plug 506 1
And 304 holder 403 move up, then V-type filler 406 is driven to move up, to which O-shaped filler 1, sealing will be sealed
O-shaped filler 2 405,304 holders 403 and V-type filler 406 remove pilot hole 2, O-shaped convenient for the O-shaped filler 1 of sealing, sealing
The taking-up of filler 2 405,304 holders 403 and V-type filler 406, it is convenient to replace.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. axle sealing structure in a kind of shut-off valve, including valve body, pilot hole, axis, seal assembly and ejection assembly, feature
It is：The pilot hole is opened in valve body upper end, and the axis is assemblied in inside pilot hole, and the seal assembly is arranged in axis
Between valve body, the ejection assembly is mounted on the valve inner on the downside of seal assembly, and the seal assembly includes concave station, sealing
O-shaped filler one, 304 holders, annular groove, the O-shaped filler two of sealing, V-type filler, pressing sleeve, V-type groove, gland and connector,
The ejection assembly include blind hole, miniature lead screw, Miniature ball nut seat, miniature gears, miniature ring gear, sealing-plug, sliding slot,
Sliding block, rack bar, through-hole and annular installation cavity.
2. axle sealing structure in a kind of shut-off valve according to claim 1, it is characterised in that：In the seal assembly,
The concave station is opened in pilot hole inner upper end, and 304 holder is mounted on concave station interior lower end, and 304 internal stents assemble
There are axis, 304 pedestal lower end face marginal position to be machined with annular groove, the annular groove mounted inside has the O-shaped filler of sealing
One, and seal O-shaped one outer surface of filler and fit with concave station inner wall, it is recessed that the 304 internal stent annular side offers annular
Slot, and annular groove mounted inside has the O-shaped filler two of sealing, and O-shaped two lateral surface of filler of sealing and axis annular side are close
Fitting, 304 pedestal upper end are equipped with V-type filler, and V-type filler upper end is provided with pressing sleeve, and pressing sleeve is assemblied in axis
Annular side, the pressing sleeve upper end are equipped with gland, and the gland is connected by connector with valve body, the connector lower end
It is connected with valve body.
3. axle sealing structure in a kind of shut-off valve according to claim 2, it is characterised in that：It is described to seal O-shaped filler one
And it is the filler with compensation function to seal O-shaped filler two, in actual use, when the present apparatus is given a shock power
When, shaking force acts on 304 holders, the O-shaped filler one of sealing and seals on O-shaped filler two, due to sealing O-shaped filler one and sealing
O-shaped filler two all has compensation function, so can adapt to vibration environment, coordinates V-type filler, can effectively avoid sealing timeliness
The case where occur.
4. axle sealing structure in a kind of shut-off valve according to claim 2, it is characterised in that：The connector upper end processing
There is external screw thread, and connector upper end passes through gland, and be equipped with nut, in actual use, by 304 holders and V-type
After filler is assembled to pilot hole inside, pressure ring is assembled in axis annular side, is then assembled gland in pressure ring upper end, and wear
Connector upper end is crossed, behind connector upper end of the nut assembly on the upside of gland, rotating nuts make nut drive gland to moving down
It is dynamic, it to which gland is pressed on pressure ring upper end, realizes the fixation of V-type filler and 304 holders, is convenient for V-type filler and 304
The installation of frame.
5. axle sealing structure in a kind of shut-off valve according to claim 1, it is characterised in that：In the ejection assembly,
On the left of the pilot hole downside and right side offers blind hole, and the blind hole is internally provided with miniature lead screw, described miniature
Lead screw is assemblied in inside Miniature ball nut seat, and the Miniature ball nut seat is assemblied in inside annular installation cavity, the annular
Installation cavity is opened in the valve inner on the outside of blind hole, and the Miniature ball nut seat annular side is equipped with miniature gears, described
Miniature ring gear is equipped on the outside of miniature gears, the miniature ring gear is mounted on inside annular installation cavity, and miniature ring gear
It is meshed with miniature gears by the gear teeth, the annular installation cavity upper inside face and downside offer sliding slot, described
Sliding slot mounted inside has sliding block, the miniature ring gear upper surface and lower end to be connected respectively with sliding block, the annular installation
Valve inner on the right side of chamber offers through-hole, and the through-hole mounted inside adds in rack bar, the miniature ring gear annular side
Work has external gear teeth, the rack bar to be meshed with external gear teeth by the gear teeth.
6. axle sealing structure in a kind of shut-off valve according to claim 5, it is characterised in that：The rack bar front end installation
There are handle, through-hole upper inside face and downside to be machined with guide groove, the rack bar upper surface and lower face
It is respectively and fixedly provided with guide pad, and guide pad is assemblied in inside guide groove, in actual use, handle, handle is pushed to move backward
It is dynamic that rack bar is driven to move backward, since rack bar is meshed with external gear teeth, so rack bar movement band actuating miniature ring gear turns
Dynamic, miniature ring gear rotation band movable slider moves inside sliding slot, while miniature ring gear drives miniature gears rotation, miniature tooth
Wheel rotation drives the rotation of Miniature ball nut seat, realizes the transmission of power.
7. axle sealing structure in a kind of shut-off valve according to claim 5, it is characterised in that：The Miniature ball nut seat
It is connected with miniature lead screw by ball nut pair, the Miniature ball nut seat and miniature gears upper side and downside
It is mounted on ball, in actual use, when needing to take out seal assembly, gland and pressure ring are dismantled, it is micro-
When type ball nut mount rotates, the rotary motion of ball nut adjutant's Miniature ball nut seat is converted to linear motion, to micro-
Type lead screw moves up, and the movement of miniature lead screw drives sealing-plug to move up, the O-shaped filler one of sealing-plug movement band dynamic sealing and
304 holders move up, and then V-type filler are driven to move up, to seal O-shaped filler one, seal O-shaped filler two, 304
Holder and V-type filler remove pilot hole, convenient for sealing O-shaped filler one, the O-shaped filler two of sealing, 304 holders and V-type filler
Taking-up, it is convenient to replace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810414664.0A CN108591598B (en) | 2018-05-03 | 2018-05-03 | Sealing structure for middle shaft of stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810414664.0A CN108591598B (en) | 2018-05-03 | 2018-05-03 | Sealing structure for middle shaft of stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108591598A true CN108591598A (en) | 2018-09-28 |
| CN108591598B CN108591598B (en) | 2024-04-26 |
Family
ID=63620590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810414664.0A Active CN108591598B (en) | 2018-05-03 | 2018-05-03 | Sealing structure for middle shaft of stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591598B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109200819A (en) * | 2018-10-29 | 2019-01-15 | 江苏科技大学 | A kind of ship tail gas processing unit and its birotor supergravity reactor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4532987A (en) * | 1984-02-21 | 1985-08-06 | Reed Lehman T | Geothermal expansion spool piston |
| CN1236422A (en) * | 1996-10-31 | 1999-11-24 | 费希尔控制国际公司 | Bushing-less stem guide control valve |
| US20040041113A1 (en) * | 2000-10-30 | 2004-03-04 | Klaus Biester | Isolating device |
| CN2688985Y (en) * | 2004-02-02 | 2005-03-30 | 深圳市日通科技有限公司 | Spiral motor valve for controlling intelligent gasometer |
| CN201909103U (en) * | 2010-12-31 | 2011-07-27 | 兰州高压阀门有限公司 | Filler internal pressure automatic seal valve capable of forming self-tight seal |
| CN103671929A (en) * | 2012-09-17 | 2014-03-26 | 林州重机集团股份有限公司 | Novel full-sealing device for cutting component of roadheader |
| CN206409655U (en) * | 2017-01-19 | 2017-08-15 | 苏州工业园区思达德阀门有限公司 | A kind of buried gate valve of cast steel |
| CN206668980U (en) * | 2017-04-05 | 2017-11-24 | 宁波万诺宝通机电制造有限公司 | A kind of two-way no stall intelligent gas meter motor valve |
| CN206973033U (en) * | 2017-06-19 | 2018-02-06 | 中山铁王流体控制设备有限公司 | A kind of ball arm integrated Fluorine-lined ball valve of long-life anti-side grinding |
| CN208331426U (en) * | 2018-05-03 | 2019-01-04 | 中山铁王流体控制设备有限公司 | Axle sealing structure in a kind of shut-off valve |
-
2018
- 2018-05-03 CN CN201810414664.0A patent/CN108591598B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4532987A (en) * | 1984-02-21 | 1985-08-06 | Reed Lehman T | Geothermal expansion spool piston |
| CN1236422A (en) * | 1996-10-31 | 1999-11-24 | 费希尔控制国际公司 | Bushing-less stem guide control valve |
| US20040041113A1 (en) * | 2000-10-30 | 2004-03-04 | Klaus Biester | Isolating device |
| CN2688985Y (en) * | 2004-02-02 | 2005-03-30 | 深圳市日通科技有限公司 | Spiral motor valve for controlling intelligent gasometer |
| CN201909103U (en) * | 2010-12-31 | 2011-07-27 | 兰州高压阀门有限公司 | Filler internal pressure automatic seal valve capable of forming self-tight seal |
| CN103671929A (en) * | 2012-09-17 | 2014-03-26 | 林州重机集团股份有限公司 | Novel full-sealing device for cutting component of roadheader |
| CN206409655U (en) * | 2017-01-19 | 2017-08-15 | 苏州工业园区思达德阀门有限公司 | A kind of buried gate valve of cast steel |
| CN206668980U (en) * | 2017-04-05 | 2017-11-24 | 宁波万诺宝通机电制造有限公司 | A kind of two-way no stall intelligent gas meter motor valve |
| CN206973033U (en) * | 2017-06-19 | 2018-02-06 | 中山铁王流体控制设备有限公司 | A kind of ball arm integrated Fluorine-lined ball valve of long-life anti-side grinding |
| CN208331426U (en) * | 2018-05-03 | 2019-01-04 | 中山铁王流体控制设备有限公司 | Axle sealing structure in a kind of shut-off valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109200819A (en) * | 2018-10-29 | 2019-01-15 | 江苏科技大学 | A kind of ship tail gas processing unit and its birotor supergravity reactor |
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