CN207796118U - Cryogenic globe valve - Google Patents
Cryogenic globe valve Download PDFInfo
- Publication number
- CN207796118U CN207796118U CN201721811903.3U CN201721811903U CN207796118U CN 207796118 U CN207796118 U CN 207796118U CN 201721811903 U CN201721811903 U CN 201721811903U CN 207796118 U CN207796118 U CN 207796118U
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing element
- valve rod
- filler
- lip
- 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.)
- Active
Links
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
- Valve Housings (AREA)
Abstract
The utility model is related to a kind of cryogenic globe valves, including valve body, valve rod, flap and valve deck, runner is provided in valve body, valve rod, which is located above valve body, is provided with operating mechanism, operating mechanism is located at cut-out and the unicom that runner is realized in the flap lifting in runner by valve rod driving, valve deck is installed on body top and is passed through for valve rod, valve deck has upwardly extended extension, the mounting bracket that setting is passed through for valve rod at the top of extension, mounting bracket includes frame upper, the flex connector of holder lower part and connecting bracket top and holder lower part, the sealing element chamber of opening upward is provided between extension inner circumferential and valve rod, sealing element intracavitary is provided with the sealing element for being sheathed on valve rod, it is provided with sealing element pressing sleeve above holder lower part, the sealed extruded part for squeezing sealing element to sealing element chamber is provided between sealing element pressing sleeve and sealing element.Using the above scheme, the utility model provides a kind of good airproof performance, and the cryogenic globe valve of control mechanism steady operation.
Description
Technical field
The utility model is specifically related to a kind of cryogenic globe valve.
Background technology
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, and opening and closing element is the flap of stopper, and sealing surface is in plane
Or the extra large conical surface, flap is for linear motion along the center line of valve seat, and cryogenic globe valve is then the shut-off valve applied to cryogenic pipe.
Traditional shut-off valve includes valve body, valve rod, flap and valve deck, and runner is provided in valve body, and valve rod is located on valve body
Side is provided with operating mechanism, and operating mechanism is located at cut-out and the connection that runner is realized in the flap lifting in runner by valve rod driving
Logical, valve deck is installed on body top and is passed through for valve rod, since what is circulated in runner is cryogenic media, valve operation mechanism due to
Valve body hypotelorism, therefore cryogenic media easily has an impact the normal operating of operating mechanism, in addition, at low ambient temperatures, for
Sealing element between valve body and valve rod requires higher, just can guarantee that medium is not revealed and introduced contaminants do not enter.
Invention content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of good airproof performance, and control machine
The cryogenic globe valve of structure steady operation.
To achieve the above object, the utility model provides following technical solution：Including valve body, valve body, valve rod, flap and
Valve deck is provided with runner in the valve body, and the valve rod, which is located above valve body, is provided with operating mechanism, the operation machine
Structure is located at the flap lifting in runner by valve rod driving and realizes that the cut-out of runner and unicom, the valve deck are installed on valve body top
Portion is simultaneously passed through for valve rod, it is characterised in that：The valve deck has upwardly extended extension, is arranged for valve at the top of the extension
The mounting bracket that bar passes through, the mounting bracket include frame upper, holder lower part and connecting bracket top and holder lower part
Flex connector, the operating mechanism is installed on frame upper, and the extension periphery is with holder lower part inner circumferential in solid
Fixed cooperation is provided with the sealing element chamber of opening upward, the sealing element chamber between the extension inner circumferential and valve rod
It is inside provided with the sealing element for being sheathed on valve rod, sealing element pressing sleeve, the sealing element pressure are provided with above the holder lower part
It is provided with the sealed extruded part for squeezing sealing element to sealing element chamber, the upper end of the sealed extruded part between set and sealing element
Face is circumferentially arranged to have extruding guide surface, the extruding guide surface gradually to be dropped with far from sealed extruded part upper surface centre-height
Low, the sealing element pressing sleeve is provided with the via passed through for valve rod, and the via lower edge is provided with and squeezes guiding
The compatible extrusion fit face of face shape, sealing element pressing sleeve valve rod opposite with holder lower part are axially arranged in parallel with adjusting
Lead screw, the adjusting lead screw, which is located at, is provided with the lower adjusting nut that holder lower part offsets below holder lower part, the tune
The top that section lead screw is located at frame upper is disposed with the upper adjusting nut and spiral shell coordinated with adjusting wire rod thread from top to bottom
Line set, the thread bush are that section is in inverted L-shaped rigid member, and the sealing element pressing sleeve is provided with for thread bush
L-shaped is vertically arranged the locating slot of section insertion, and horizontal section of pressure of L-shaped of the sealing element pressing sleeve and thread bush is equipped with several stackings and arranges
Disk spring, the sealing element pressing sleeve around locating slot periphery be provided with squeeze disk spring extruding boss.
By using above-mentioned technical proposal, extension coordinates the height of the operating mechanism of mounting bracket, reduces because low temperature is situated between
Operation caused by confrontation operating mechanism influences, while avoiding intensity caused by single increase extension inconvenient and processing not
Just, valve deck and the fit structure of operation structure can be machined in mounting bracket, reduces the intensity drop excessively brought by processing structure
Low, due to mounting bracket and valve deck split settings, valve deck can be used as a kind of basic module mass production, and different application occasion adds
The different mounting bracket of work is assembled, and is improved production efficiency, is reduced processing cost, carries out modularized production, in addition, close
Envelope guide surface matched with extrusion fit face, mutually relatively before plane pressurize, the extruding force of bigger can be generated to sealing element, and
And the material power of the disk spring by several stacking arrangements, keep extruding force further excessive, that is, enhances cryogenic globe valve
Sealing performance, locating slot made thread bush be coordinated with accurate rectilinear direction and disk spring, ensures that the function of disk spring is maximum
It plays.
The utility model is further arranged to：The sealing element includes the filler spacer ring arranged from top to bottom, first fills out
Material, the second filler, the first filler, filler dottle pin and lip-type packing, the filler spacer ring be respectively facing extension inner circumferential and
Stem outer circumference is respectively arranged with fluorine rubber ring and installs the mounting groove of fluorine rubber ring, and the material of first filler is flexible stone
The material of black braided packing, second filler is soft graphite, and the filler dottle pin is rigid member, and end face is made thereon
For the mounting platform of the first filler, extruding platform of the lower face as lip-type packing, the lip-type packing is provided with lip
Shape slot and lip stabilizer blade positioned at lip slot both sides, the extending part is provided with below lip-type packing and lip packing
The limiting platform to offset is enclosed, the lip slot is towards limiting platform, lip when the filler dottle pin squeezes lip-type packing
Stabilizer blade is extended to both sides respectively.
By using above-mentioned technical proposal, the filler of two kinds of unlike materials is on the one hand used, the comprehensive performance of filler is increased,
On the other hand, lip-type packing is squeezed by the filler dottle pin of rigidity, can be effectively prevent in the effect lip stabilizer blade that height squeezes miscellaneous
Matter enters and medium outflow, strengthens sealing performance.
The utility model is further arranged to：The operating mechanism includes the valve rod for being set to rotation setting frame upper
The handwheel of nut and driving stem nut rotation, the frame upper is provided with the rotation chamber rotated for valve stem nut, described
Frame upper be provided with the communication passage that will rotate chamber and extraneous unicom setting, be equipped with storage lubrication in the communication passage
The lubricating cup of oil, the lubricating cup are provided with the oil outlet towards rotation chamber and the repairing mouth towards the external world.
By using above-mentioned technical proposal, add lubricating cup, for storing lubricating oil, when valve stem nut rotates can automatically by
Lubricating oil positioned at oil outlet is transferred to everywhere in rotation chamber, realizes self-lubricating, when lubricating oil surplus deficiency in lubricating cup, is led to
It crosses repairing mouth to be supplemented, keeps lubricating for a long time.
The utility model is further arranged to：The valve stem nut is located in the middle part of handwheel, the handwheel and valve rod spiral shell
Connecting rod and handle cavity are circumferentially sequentially arranged at intervals between mother, the space conduct of the valve rod and flex connector locks
Chamber, the chain both being provided through between the handle cavity and latch well and by chain both ends into line-locked padlock.
By using above-mentioned technical proposal, chain locks the circumferential position of handwheel, avoids maloperation, rationally utilizes
Space between valve rod and flex connector is passed through for chain, and it is inconvenient caused by additional processing chain ring to reduce, and avoids processing
The increase of cost.
The utility model is further described with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the structural schematic diagram of specific embodiment of the present invention；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is the enlarged drawing of B in Fig. 2；
Fig. 4 is the enlarged drawing of C in Fig. 1.
Specific implementation mode
As shown in Fig. 1-Fig. 4, the utility model discloses a kind of cryogenic globe valves, including valve body, valve body 1, valve rod 2, valve
Valve 3 and valve deck 4 are provided with runner 11 in valve body 1, and valve rod 2 is located at 1 top of valve body and is provided with operating mechanism 5, and operating mechanism 5 is logical
Cut-out and unicom that runner 11 is realized in the lifting of flap 3 that the driving of valve rod 2 is located in runner 11 are crossed, valve deck 4 is installed on 1 top of valve body
And passed through for valve rod 2, valve deck 4 has upwardly extended extension 41, and the mounting bracket 6 passed through for valve rod 2 is arranged in 41 top of extension,
Mounting bracket 6 includes the flex connector 63 of frame upper 61, holder lower part 62 and connecting bracket top 61 and holder lower part 62,
Operating mechanism 5 is installed on frame upper 61, and 41 periphery of extension is in secure fit, 41 inner circumferential of extension with 62 inner circumferential of holder lower part
It is provided with the sealing element chamber 42 of opening upward between valve rod 2, the sealing for being sheathed on valve rod 2 is provided in sealing element chamber 42
Part, the top of holder lower part 62 are provided with sealing element pressing sleeve 7, are provided between sealing element pressing sleeve 7 and sealing element by sealing element to close
The sealed extruded part 71 that sealing chamber 42 squeezes, the upper surface of sealed extruded part 71 is circumferentially arranged extruding guide surface 72, squeezes
Guide surface 72 continuously decreases with far from sealed extruded part upper surface centre-height, and sealing element pressing sleeve 7 is provided with to be passed through for valve rod 2
Via 73,73 lower edge of via are provided with extrusion fit face 74 compatible with 72 shape of guide surface is squeezed, sealing element pressing sleeve 7
It has been arranged in an axially parallel mode with respect to valve rod 2 with holder lower part 62 and has adjusted lead screw 8, the lower section that adjusting lead screw 8 is located at holder lower part 62 is set
It is equipped with the lower adjusting nut 81 that holder lower part 62 offsets, the top that adjusting lead screw 8 is located at frame upper 61 is set successively from top to bottom
The upper adjusting nut 82 and thread bush 83 for being equipped with and adjusting 8 screw-thread fit of lead screw, thread bush 83 are section in inverted L-shaped rigid
Property component, sealing element pressing sleeve 7 is provided with the locating slot 75 that the L-shaped for thread bush 83 is vertically arranged the insertion of section 831, sealing element pressing sleeve 7 with
Horizontal section 832 pressure of L-shaped of thread bush 83 is equipped with the disk spring 76 of several stacking arrangements, and sealing element pressing sleeve 7 surrounds locating slot
75 peripheries are provided with the extruding boss 77 for squeezing disk spring, and extension 41 coordinates the height of the operating mechanism 5 of mounting bracket 6,
It reduces because cryogenic media influences operation caused by operating mechanism 5, while avoiding strong caused by single increase extension 41
Degree is inconvenient and processing is inconvenient, can valve deck 4 and the fit structure of operation structure be machined in mounting bracket 6, reduced because processing structure
The strength reduction excessively brought, due to mounting bracket 6 and 4 split settings of valve deck, valve deck 4 can be used as a kind of basic module high-volume
Production, different application occasion are processed different mounting brackets 6 and are assembled, and improve production efficiency, reduce processing cost, push away
Row modularized production, in addition, sealing guide surface matched with extrusion fit face 74, mutually relatively before plane pressurize, to sealing element
The extruding force of bigger, and the material power of the disk spring by several stacking arrangements can be generated, keeps extruding force further
It is excessive, that is, the sealing performance of cryogenic globe valve is enhanced, locating slot makes thread bush coordinate with accurate rectilinear direction and disk spring,
Ensure that the function maximum of disk spring plays.
Sealing element include the filler spacer ring 91 arranged from top to bottom, the first filler 92, the second filler 93, the first filler 92,
Filler dottle pin 94 and lip-type packing 95, filler spacer ring 91 is respectively facing 41 inner circumferential of extension and 2 periphery of valve rod is respectively arranged with
The material of fluorine rubber ring 911 and the mounting groove 912 for installing fluorine rubber ring 911, the first filler 92 is soft graphite braided packing, the
The material of two fillers 93 is soft graphite, and filler dottle pin 94 is rigid member, and end face is flat as the installation of the first filler 92 thereon
Platform 941, extruding platform 942 of the lower face as lip-type packing 95, lip-type packing 95 are provided with lip slot 951 and are located at lip
The lip stabilizer blade 952 of 951 both sides of shape slot, extension 41 is located to be provided with below lip-type packing 95 to offset with lip-type packing 95
Limiting platform 43, lip slot 951 is towards limiting platform 43, lip stabilizer blade 952 when filler dottle pin 94 squeezes lip-type packing 95
It is extended respectively to both sides, on the one hand uses the filler of two kinds of unlike materials, increase the comprehensive performance of filler, on the other hand, by rigid
Property filler dottle pin 94 squeeze lip-type packing 95, height squeeze effect lip stabilizer blade 952 impurity can be effectively prevent to enter
And medium outflow, strengthen sealing performance.
Operating mechanism 5 includes valve stem nut 51 and the rotation of driving stem nut 51 for being set to rotation setting frame upper 61
Handwheel 52, frame upper 61 is provided with the rotation chamber 611 rotated for valve stem nut 51, and frame upper 61, which is provided with, will rotate chamber
611 communication passages 612 being arranged with extraneous unicom, the interior lubricating cup 64 for being equipped with storage lubricating oil of communication passage 612, lubricating cup 64 are arranged
Have towards the oil outlet 641 of rotation chamber 611 and towards extraneous repairing mouth 642, adds lubricating cup 64, for storing lubricating oil,
Valve stem nut 51 will can be transferred to everywhere in rotation chamber 611 when rotating positioned at the lubricating oil of oil outlet 641 automatically, be realized from profit
It is sliding, when lubricating oil surplus deficiency in lubricating cup 64, is supplemented by repairing mouth 642, keep lubricating for a long time, lubricating oil
Have the function of antifreeze.
Valve stem nut 51 is located at the middle part of handwheel 52, the circumferentially company of being sequentially arranged at intervals between handwheel 52 and valve stem nut 51
Bar 53 and handle cavity 54, the space of valve rod 2 and flex connector 63 as latch well 65, handle cavity 54 and latch well 65 it
Between the chain 55 that both is provided through and by 55 both ends of chain into line-locked padlock 56, chain 55 is by the circumferential position of handwheel 52
It sets and is locked, avoid maloperation, rationally passed through for chain 55 using the space between valve rod 2 and flex connector 63, reduced
It is inconvenient caused by 55 ring of additional processing chain, avoid the increase of processing cost.
Claims (4)
1. a kind of cryogenic globe valve, including valve body, valve rod, flap and valve deck, runner, the valve are provided in the valve body
Bar, which is located above valve body, is provided with operating mechanism, and the operating mechanism is located at the flap in runner by valve rod driving and lifts in fact
The cut-out of existing runner and unicom, the valve deck are installed on body top and are passed through for valve rod, it is characterised in that：The valve deck
Extension has been upwardly extended, the mounting bracket passed through for valve rod has been set at the top of the extension, the mounting bracket includes
Frame upper, holder lower part and connecting bracket top and holder lower part flex connector, the operating mechanism is installed on branch
Frame top, the extension periphery are in secure fit with holder lower part inner circumferential, are set between the extension inner circumferential and valve rod
It is equipped with the sealing element chamber of opening upward, the sealing element intracavitary is provided with the sealing element for being sheathed on valve rod, the branch
Sealing element pressing sleeve is provided with above frame lower part, is provided between the sealing element pressing sleeve and sealing element by sealing element to sealing element
The sealed extruded part that chamber squeezes, the upper surface of the sealed extruded part is circumferentially arranged extruding guide surface, the extruding
Guide surface is continuously decreased with far from sealed extruded part upper surface centre-height, and the sealing element pressing sleeve is provided with to be passed through for valve rod
Via, the via lower edge is provided with and squeezes the compatible extrusion fit face of guide surface shape, the sealing
Part pressing sleeve valve rod opposite with holder lower part is axially arranged in parallel with adjusting lead screw, and the adjusting lead screw is located under holder lower part
Side is provided with the lower adjusting nut that holder lower part offsets, and the adjusting lead screw is located at the top of frame upper from top to bottom successively
The upper adjusting nut and thread bush for being provided with and adjusting wire rod thread cooperation, the thread bush are section in inverted L-shaped
Rigid member, the sealing element pressing sleeve are provided with the locating slot that section insertion is vertically arranged for the L-shaped of thread bush, the sealing element pressure
Set is equipped with the disk spring of several stacking arrangements with horizontal section of pressure of L-shaped of thread bush, and the sealing element pressing sleeve is around positioning
Slot periphery is provided with the extruding boss for squeezing disk spring.
2. cryogenic globe valve according to claim 1, it is characterised in that：The sealing element includes arranging from top to bottom
Filler spacer ring, the first filler, the second filler, the first filler, filler dottle pin and lip-type packing, filler spacer ring court respectively
It is respectively arranged with fluorine rubber ring to extension inner circumferential and stem outer circumference and the mounting groove of fluorine rubber ring, first filler are installed
Material be soft graphite braided packing, the material of second filler is soft graphite, and the filler dottle pin is rigidity
Component, thereon mounting platform of the end face as the first filler, extruding platform of the lower face as lip-type packing, the lip
Sealing ring is provided with lip slot and the lip stabilizer blade positioned at lip slot both sides, and the extending part is set below lip-type packing
It is equipped with the limiting platform to offset with lip-type packing, the lip slot squeezes lip towards limiting platform, the filler dottle pin
Lip stabilizer blade is extended to both sides respectively when shape sealing ring.
3. cryogenic globe valve according to claim 1, it is characterised in that：The operating mechanism includes being set to rotation to set
The valve stem nut of frame upper and the handwheel of driving stem nut rotation are set, the frame upper is provided with to be turned for valve stem nut
Dynamic rotation chamber, the frame upper, which is provided with, to rotate the communication passage of chamber and extraneous unicom setting, and the unicom is logical
The lubricating cup of storage lubricating oil is equipped in road, the lubricating cup is provided with the oil outlet towards rotation chamber and the repairing towards the external world
Mouthful.
4. cryogenic globe valve according to claim 3, it is characterised in that：The valve stem nut is located in the middle part of handwheel, institute
Connecting rod and handle cavity are circumferentially sequentially arranged at intervals between the handwheel and valve stem nut stated, the valve rod is connected with bending
The space of part is as latch well, the chain that both is provided through between the handle cavity and latch well and by chain both ends
Into line-locked padlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721811903.3U CN207796118U (en) | 2017-12-22 | 2017-12-22 | Cryogenic globe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721811903.3U CN207796118U (en) | 2017-12-22 | 2017-12-22 | Cryogenic globe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207796118U true CN207796118U (en) | 2018-08-31 |
Family
ID=63282439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721811903.3U Active CN207796118U (en) | 2017-12-22 | 2017-12-22 | Cryogenic globe valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207796118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058505A (en) * | 2018-10-31 | 2018-12-21 | 天津欧通流体控制设备有限公司 | A kind of wedge-type ultralow temperature top mounting ball valve |
-
2017
- 2017-12-22 CN CN201721811903.3U patent/CN207796118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058505A (en) * | 2018-10-31 | 2018-12-21 | 天津欧通流体控制设备有限公司 | A kind of wedge-type ultralow temperature top mounting ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104806678B (en) | Manually adjusted damp-adjustable shock absorber | |
| CN207796118U (en) | Cryogenic globe valve | |
| CN212429779U (en) | Stop valve with long service life | |
| CN203215014U (en) | Bidirectional flow pneumatic angle seat valve | |
| CN206786010U (en) | A kind of rotary seal structure | |
| CN207080636U (en) | Low torque elastic floating ball valve | |
| CN209762289U (en) | High-guidance-performance wedge gate valve capable of reducing abrasion of sealing surface | |
| CN201137716Y (en) | Upper mounting type ball-valve | |
| CN209818781U (en) | Take non return function's integral type ball valve | |
| CN209509895U (en) | The screw rod mounting structure of motorcar electric strut | |
| CN210318547U (en) | Three-eccentric soft sealing butterfly valve | |
| CN207796242U (en) | Manual draw bar operates gate valve | |
| CN207796127U (en) | self-sealing gate valve | |
| CN208670597U (en) | A kind of novel storage tank | |
| CN208184698U (en) | A kind of dedicated production tree of compact pumping well with pole | |
| CN202118281U (en) | Cut-off stop valve | |
| CN201218352Y (en) | Through-flow type valve for ammonia refrigeration | |
| CN213117505U (en) | Stop valve | |
| CN208184648U (en) | A kind of rubber sealing goalpost universal shaft | |
| CN212986108U (en) | Ball valve of pressure relief instrument | |
| CN208793662U (en) | A kind of soft seal regulating valve | |
| CN207796099U (en) | Weld shut-off valve in middle part | |
| CN201944281U (en) | High-temperature high-pressure non-return valve | |
| CN213145515U (en) | Right-angle stop valve | |
| CN203516878U (en) | Through flow type check valve for chlorine gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |