CN207961583U - A kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound - Google Patents
A kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound Download PDFInfo
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- CN207961583U CN207961583U CN201721645886.0U CN201721645886U CN207961583U CN 207961583 U CN207961583 U CN 207961583U CN 201721645886 U CN201721645886 U CN 201721645886U CN 207961583 U CN207961583 U CN 207961583U
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- valve
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- valve body
- deck
- valve rod
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Abstract
The utility model discloses a kind of wear-resisting semisphere valves of large scale sealed with disc spring and tandem compound of wear-resisting semisphere valve technical field, including valve body, hemisphere is installed in the inner cavity of the valve body, the inner wall bottom of the valve body is equipped with lower valve rod, the side-mounted multigroup equally distributed adjustable and tandem compound sealing structure for reinforcing sealing and adjustment effect that the utility model provides the eccentric semi-spherical body structure of spaces compact and adds, effectively reduce hemispheroidal spherical crown and the abrasion of sealing surface of seat between the two, and after hard sealing surface is washed, it may also function as reinforcement sealing and adjust pressure release effect, extend the service life of valve；Equally distributed butterfly spring, which is arranged, can preferably counteract the variation of pressure, temperature, to because being generated under high flow rate vibration and high temperature under caused by thermal stress compensated.So that valve seat and spherical crown, hemisphere is born uniform pressure, reduce the time of maintaining, improves operating efficiency.
Description
Technical field
The utility model is related to wear-resisting semisphere valve technical field, specially a kind of big ruler sealed with disc spring and tandem compound
Very little wear-resisting semisphere valve.
Background technology
Aerospace, military project, steel, metallurgy, electric power, oil, petrochemical industry, chemical industry, plumbing, water conservancy, papermaking, pharmacy,
In the pressurized pipe systems of industry fields such as environmental protection, municipal administration, coal mine, it is typically used for semisphere valve, is used for delivery industry water, it is amorphous
Wet types or the dry medias such as powder, solid granulates body, clinker, tailing, dense ore pulp, slurry, concrete slurry, paper pulp, mud, oil product.
Current existing semisphere valve is generally made of valve assembly and driving device, and valve assembly includes connecting successively from top to bottom
The driving device that connects, valve deck, valve body, upper valve rod, valve seat, hemisphere, spherical crown, bottom end cover, be equipped in valve body hemisphere, spherical crown,
Valve seat, O-ring seals, pendant collet, O-ring seals, valve body both sides are equipped with fluid import and export, and upper valve rod built in hemisphere is under
Valve rod, upper valve rod one end are placed in hemisphere body opening, and the output end of the upper valve rod other end and driving device is connected by flat key, hemisphere
Body, spherical crown follow upper valve rod rotary work within the scope of 90 °.Valve body bottom end be equipped with anti-leakage O-ring seals, bearing holder (housing, cover) and under
End cap constitutes the anti-outward leakage sealing below valve body.Upper valve rod runs through hemisphere top, and valve body top is upper close equipped with preventing above leaking
Big envelope, bearing holder (housing, cover) and O-ring seals.
There are following deficiencies for these large scale semisphere valves in the prior art：
1, valve opening and close when, since valve seat and spherical crown valve are all hard metals, very stiff and demanding sealing structure causes close
Cover is easily worn and is extruded loosening, and the goodness of fit of sealing surface is not easy to adjust, valve use the long period when, not resistance to erosion and
Abrasion, easy tos produce leakage, the service life of valve is extremely short；
2, for large-scale semisphere valve, because valve seat size is big, cause the repair time long, replacement cost is high, causes certain warp
Ji loss.
3, the spool (hemisphere) of semisphere valve is unable to uniform-compression and the stress variation caused by temperature, causes valve in height
It is generated under flow velocity under vibration and high temperature and causes thermal stress, the maintaining time is long, and operating efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound, with
Solving metal bump friction mentioned above in the background art causes valve appearance leakage, maintenance trouble and hemisphere can not be uniform
It handles because of the problem of vibrating the thermal stress with high-temperature flue gas.
To achieve the above object, the utility model provides the following technical solutions：It is a kind of to seal with disc spring and tandem compound
The wear-resisting semisphere valve of large scale, including valve body are equipped with hemisphere, the inner wall bottom installation of the valve body in the inner cavity of the valve body
There are lower valve rod, the bottom of the valve body that bottom end cover is installed, fillister head screw is bolted on the bottom end cover, the bottom end cover is logical
It crosses fillister head screw to be spirally connected with valve body, adjusting pad, the joint place of the valve body and lower valve rod is installed at the top of the bottom end cover
First axle bearing sleeve is installed, the joint place of the bottom end cover and valve body is socketed with ring type seal, the top installation of the valve body
There is valve deck, the first locking device is bolted on the valve deck, the valve deck is spirally connected by the first locking device with valve body, the valve
Intelligent adjustment type Denso is installed at the top of lid, the second locking device is installed at the top of the valve deck, the valve deck passes through
Two locking devices are spirally connected with intelligent adjustment type Denso, and upper valve rod, the hemispheroidal top are hinged in the inner cavity of the valve deck
Locking pin is installed, the hemisphere is bolted with upper valve rod by locking pin, and flat key is equipped at the top of the upper valve rod, described
Upper valve rod is connect by flat key with intelligent adjustment type Denso, and hemispheroidal upside, the hemisphere are run through in the bottom of the upper valve rod
Locking pin is installed at the top of the left side outer wall of body, the upper valve rod is fixedly connected by locking pin with hemisphere, the upper valve rod
It is socketed with valve rod pressing sleeve with the joint place of intelligent adjustment type Denso, the joint place of the upper valve rod and valve deck is socketed with second bearing
It covers, upper sleeve gasket is socketed on the outer wall of the upper valve rod, it is described, hard seal ball is installed in the hemispheroidal outer right wall
It is preced with, valve seat is installed in the outer right wall of the hard seal ball hat, disc spring, the right side of the valve deck are installed on the right side of the valve seat
Housing screw is installed, the valve deck is connect by housing screw with valve seat, and the joint place of the valve deck and valve seat is equipped with dish
Spring pad is socketed with pendant collet on the valve seat, is equipped with combination sealing at the top of the valve seat, the top of the combination sealing with
Valve deck is bonded.
Preferably, first locking device includes stud, hex nut and spring washer, and described second locks
Device includes hex bolts, spring washer.
Preferably, the combination sealing includes that O-ring seals, concave teflon seal ring and X-type nitrile rubber are close
Seal ring.
Preferably, the hard seal ball hat for spherical shape and is anchored on the hemispheroidal top perimeter.
Compared with prior art, the utility model has the beneficial effects that：The utility model provides the bias of spaces compact
Hemisphere structure and side-mounted multigroup equally distributed adjustable and tandem compound of the reinforcement sealing and adjustment effect added are close
Seal structure effectively reduces hemispheroidal spherical crown and the abrasion of sealing surface of seat between the two, and after hard sealing surface is washed,
It may also function as reinforcement sealing and adjust pressure release effect, extend the service life of valve；Equally distributed butterfly spring is arranged can be more
The variation for counteracting pressure, temperature well, to because being generated under high flow rate vibration and high temperature under caused by thermal stress mended
It repays.So that valve seat and spherical crown, hemisphere is born uniform pressure, reduce the time of maintaining, improves operating efficiency, meanwhile, this
After the utility model large scale prooving of valve seat, can not dismounting and change, only need to change tandem compound obturator, replace it is quick and convenient,
It is at low cost, replacement efficiency is improved, maintenance cost and time is reduced, further ensures being smoothed out for engineering, valve seat and valve
Disc spring and spring pad between body have automatic adjustment and decompression function, improve the seal wear-resistant performance and modulability of semisphere valve
Can, expand the scope of application of semisphere valve.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the areas the utility model A enlarged drawing.
In figure：1 fillister head screw, 2 bottom end covers, 3 adjusting pads, 4 ring type seals, 5 lower valve rods, 6 valve bodies, 7 first bearings
Set, 8 locking pins, 9 valve decks, 10 first locking devices, 11 second locking devices, 12 intelligent adjustment type Densos, 13 valve rod pressing sleeves,
14 upper valve rods, 15 flat keys, 16 upper sleeve gaskets, 17 second bearing sets, 18 pendant collets, 19 combination sealings, 20 valve seats, 21 disc springs, 22
Housing screw, 23 disc spring pads, 24 hard seal balls hat, 25 hemispheres.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of big ruler sealed with disc spring and tandem compound
Very little wear-resisting semisphere valve, including valve body 6 are equipped with hemisphere 25, the inner wall bottom peace of the valve body 6 in the inner cavity of the valve body 6
Equipped with lower valve rod 5, the bottom of the valve body 6 is equipped with bottom end cover 2, and fillister head screw 1 is bolted on the bottom end cover 2, described
Bottom end cover 2 is spirally connected by fillister head screw 1 and valve body 6, and the top of the bottom end cover 2 is equipped with adjusting pad 3, the valve body 6 with
The joint place of lower valve rod 5 is equipped with first axle bearing sleeve 7, and the bottom end cover 2 and the joint place of valve body 6 are socketed with ring type seal 4,
The top of the valve body 6 is equipped with valve deck 9, and the first locking device 10 is bolted on the valve deck 9, and the valve deck 9 passes through first
Locking device 10 is spirally connected with valve body 6, and the top of the valve deck 9 is equipped with intelligent adjustment type Denso 12, the top peace of the valve deck 9
Equipped with the second locking device 11, the valve deck 9 is spirally connected by the second locking device 11 and intelligent adjustment type Denso 12, the valve deck
Upper valve rod 14 is hinged in 9 inner cavity, the top of the hemisphere 25 is equipped with locking pin 8, and the hemisphere 25 passes through locking
Pin 8 is bolted with upper valve rod 14, and the top of the upper valve rod 14 is equipped with flat key 15, and the upper valve rod 14 passes through flat key 15 and intelligence
Adjustment type Denso 12 connects, and the upside of hemisphere 25, the left side outer wall of the hemisphere 25 are run through in the bottom of the upper valve rod 14
Top is equipped with locking pin 8, and the upper valve rod 14 is fixedly connected by locking pin 8 with hemisphere 25, the upper valve rod 14 and intelligence
The joint place of energy adjustment type Denso 12 is socketed with valve rod pressing sleeve 13, and the upper valve rod 14 and the joint place of valve deck 9 are socketed with second
Bearing holder (housing, cover) 17 is socketed with upper sleeve gasket 16 on the outer wall of the upper valve rod 14, described, pacifies in the outer right wall of the hemisphere 25
Equipped with hard seal ball hat 24, valve seat 20,20 right side installation of the valve seat are installed in the outer right wall of the hard seal ball hat 24
There are disc spring 21, the right side of the valve deck 9 that housing screw 22 is installed, the valve deck 9 is connect by housing screw 22 with valve seat 20,
The valve deck 9 and the joint place of valve seat 20 are equipped with disc spring pad 23, and pendant collet 18, the valve seat are socketed on the valve seat 20
20 top is equipped with combination sealing 19, and the top of the combination sealing 19 is bonded with valve deck 9.
Wherein, first locking device 10 includes stud, hex nut and spring washer, and described second locks
Device 11 includes hex bolts, spring washer, facilitates the company for changing valve deck 9 and valve body 6, valve deck 9 and intelligent adjustment type Denso 12
Relationship is connect, operation is repaired, the combination sealing 19 includes O-ring seals, concave teflon seal ring and X-type butyronitrile
Rubber seal ring provides radial precompression for primary seal, friction and wear is reduced, to prevent fluid from valve body 6 and valve seat 20
Between leak, to provide reliable Fluid Sealing under all operating modes, the hard seal ball hat 24 to be spherical and
It is anchored on the top perimeter of the hemisphere 25, ensures that behaviour is adjusted in the case where disc spring 21 is acted on by pressure after-contraction in valve seat 20
Make.
Operation principle：The utility model embodiment is as follows, and 1, be provided with multigroup equally distributed butterfly spring 21, combination sealing
19, valve seat 20, butterfly spring pad 23 and housing screw 22 is adjustable and tandem compound sealing structure, 24 mill of valve seat 20 or hard seal ball hat
After damage, rotary hemispherical body 25 can directly unclamp pendant collet 18, disc spring 21 and the concatenated combination sealing 19 of side dress, you can quickly
Quick-replaceable is carried out to each part inside valve body 6, to reduce the repair time, improves maintenance efficiency；
2, multigroup equally distributed butterfly spring 21 is set, can more preferable offset pressure, temperature variation, shake to high flow rate generation
Thermal stress compensates caused by dynamic and high temperature.So that valve seat 20 and hard seal ball is preced with 24, hemisphere 25 and bear uniform pressure, subtracts
The time of few maintaining, improve operating efficiency.
3, multiple equally distributed disc springs 21 are equipped between 20 side of valve seat and valve body 6, pressure is less than and faces in valve seat 20
When boundary closes pressure value, disc spring 21 can push valve seat 20 to keep being in close contact；When interior pressure is more than and closes critical value, pressure meeting
Gap is formed between so that valve seat 20 and hard seal ball is preced with 24, releasing pressure automatically is formed, enhances the hard sealing surface of semisphere valve and bear fluid
It washes away, play the role of reinforcing sealing and adjusts pressure release, extend the service life of valve；Meanwhile the utility model large scale valve
Seat 20 abrasion after, can not dismounting and change, only need to change tandem compound seal 19 parts, replace it is quick and convenient, it is at low cost, improve
Efficiency is replaced, maintenance cost and time is reduced, further ensures being smoothed out for engineering, the dish between valve seat 20 and valve body 6
Spring 21 and disc spring pad 23 have automatic adjustment and decompression function, improve the seal wear-resistant performance and regulation performance of semisphere valve, expand
The big scope of application of semisphere valve.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound, including valve body (6), it is characterised in that：It is described
Hemisphere (25) is installed, the inner wall bottom of the valve body (6) is equipped with lower valve rod (5), the valve body in the inner cavity of valve body (6)
(6) bottom is equipped with bottom end cover (2), and fillister head screw (1) is bolted on the bottom end cover (2), and the bottom end cover (2) passes through
Fillister head screw (1) is spirally connected with valve body (6), adjusting pad (3) is equipped at the top of the bottom end cover (2), the valve body (6) is under
The joint place of valve rod (5) is equipped with first axle bearing sleeve (7), and it is close that the joint place of the bottom end cover (2) and valve body (6) is socketed with annular
Seal (4) is equipped with valve deck (9) at the top of the valve body (6), the first locking device (10), institute is bolted on the valve deck (9)
It states valve deck (9) to be spirally connected by the first locking device (10) and valve body (6), intelligent adjustment type is installed at the top of the valve deck (9)
Denso (12) is equipped with the second locking device (11) at the top of the valve deck (9), and the valve deck (9) passes through the second locking device
(11) it is spirally connected with intelligent adjustment type Denso (12), upper valve rod (14), the hemisphere is hinged in the inner cavity of the valve deck (9)
(25) locking pin (8) is installed at the top of, the hemisphere (25) is bolted with upper valve rod (14) by locking pin (8), it is described on
Flat key (15) is installed, the upper valve rod (14) is connected by flat key (15) and intelligent adjustment type Denso (12) at the top of valve rod (14)
It connects, the upside of hemisphere (25) is run through in the bottom of the upper valve rod (14), is installed at the top of the left side outer wall of the hemisphere (25)
There is locking pin (8), the upper valve rod (14) to be fixedly connected with hemisphere (25) by locking pin (8), the upper valve rod (14) with
The joint place of intelligent adjustment type Denso (12) is socketed with valve rod pressing sleeve (13), the joint place of the upper valve rod (14) and valve deck (9)
It is socketed with second bearing set (17), upper sleeve gasket (16), described, the hemisphere are socketed on the outer wall of the upper valve rod (14)
(25) hard seal ball hat (24) is installed in outer right wall, valve seat is installed in the outer right wall of the hard seal ball hat (24)
(20), disc spring (21) is installed on the right side of the valve seat (20), housing screw (22) is installed on the right side of the valve deck (9), it is described
Valve deck (9) is connect by housing screw (22) with valve seat (20), and the valve deck (9) and the joint place of valve seat (20) are equipped with disc spring
It pads (23), is socketed with pendant collet (18) on the valve seat (20), combination sealing (19) is installed at the top of the valve seat (20),
The top of the combination sealing (19) is bonded with valve deck (9).
2. a kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound according to claim 1, feature exist
In：First locking device (10) includes stud, hex nut and spring washer, and second locking device (11)
Including hex bolts, spring washer.
3. a kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound according to claim 1, feature exist
In：The combination sealing (19) includes O-ring seals, concave teflon seal ring and X-type nitrile rubber sealing ring.
4. a kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound according to claim 1, feature exist
In：The hard seal ball hat (24) is top perimeter that is spherical and being anchored on the hemisphere (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645886.0U CN207961583U (en) | 2017-12-01 | 2017-12-01 | A kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645886.0U CN207961583U (en) | 2017-12-01 | 2017-12-01 | A kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207961583U true CN207961583U (en) | 2018-10-12 |
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ID=63728271
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721645886.0U Expired - Fee Related CN207961583U (en) | 2017-12-01 | 2017-12-01 | A kind of wear-resisting semisphere valve of large scale sealed with disc spring and tandem compound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207961583U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469767A (en) * | 2019-01-14 | 2019-03-15 | 上海万丰船舶设备有限公司 | Three way rotary valve of compensation sealing is adjusted than pressure |
| CN109681662A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve |
| CN109854774A (en) * | 2018-12-29 | 2019-06-07 | 上海凯工阀门股份有限公司 | Three eccentricity seals c-type ball valve firmly |
| CN111173873A (en) * | 2020-02-26 | 2020-05-19 | 中国工程物理研究院总体工程研究所 | Spherical net-shaped disc spring |
-
2017
- 2017-12-01 CN CN201721645886.0U patent/CN207961583U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854774A (en) * | 2018-12-29 | 2019-06-07 | 上海凯工阀门股份有限公司 | Three eccentricity seals c-type ball valve firmly |
| CN109469767A (en) * | 2019-01-14 | 2019-03-15 | 上海万丰船舶设备有限公司 | Three way rotary valve of compensation sealing is adjusted than pressure |
| CN109469767B (en) * | 2019-01-14 | 2024-03-01 | 上海万丰重科实业股份有限公司 | Pressure-regulating compensation sealing three-way rotary valve |
| CN109681662A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve |
| CN109681662B (en) * | 2019-01-17 | 2024-04-23 | 宣达实业集团有限公司 | Top-mounted ultra-high temperature ball valve |
| CN111173873A (en) * | 2020-02-26 | 2020-05-19 | 中国工程物理研究院总体工程研究所 | Spherical net-shaped disc spring |
| CN111173873B (en) * | 2020-02-26 | 2024-05-07 | 中国工程物理研究院总体工程研究所 | Spherical net-shaped disc spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20211201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |