CN208237098U - A kind of butterfly valve internals high-temperature expansion deformation release structure - Google Patents
A kind of butterfly valve internals high-temperature expansion deformation release structure Download PDFInfo
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- CN208237098U CN208237098U CN201820788475.5U CN201820788475U CN208237098U CN 208237098 U CN208237098 U CN 208237098U CN 201820788475 U CN201820788475 U CN 201820788475U CN 208237098 U CN208237098 U CN 208237098U
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- valve rod
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a kind of butterfly valve internals high-temperature expansion deformation to discharge structure, including valve body, the middle position of the valve inner is equipped with U-shaped key, valve inner above the U-shaped key is provided with upper valve rod by axle sleeve, valve seat insert is provided between valve body and upper valve rod below the axle sleeve, valve inner above the bottom cover is provided with thrust ring, valve inner below the thrust ring is provided with divided ring, the valve inner is equipped with lower valve rod by thrust ring and divided ring, the upper valve rod, the valve inner of lower valve rod side is symmetrically installed with cam pin, the surface of the valve body is equipped with butterfly plate, butterfly plate sealing ring is provided between the butterfly plate and valve body.The utility model solves the problems, such as that butterfly valve is easy to cause stuck and poor sealing performance in opening-closing process by setting upper valve rod, lower valve rod, U-shaped key, cam pin, butterfly plate sealing ring and valve base sealing coil structures.
Description
Technical field
The utility model relates to mechanical equipment technical field, specially a kind of butterfly valve internals high-temperature expansion deformation release knot
Structure.
Background technique
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and one kind of open and close is reached around valve shaft rotation
Valve mainly plays cutting and throttling action on pipeline.Butterfly valve opening and closing element is a discoidal butterfly plate, around its own in valve body
Axis rotation, to achieve the purpose that opening and closing or adjusting.Butterfly valve standard-sized sheet closes typically less than 90 ° to complete, butterfly valve and butterfly bar sheet
Body does not have self-lock ability, for the positioning of butterfly plate, to install worm reducer additional on valve rod.Using worm reducer, not only may be used
So that butterfly plate has self-lock ability, stop butterfly plate at an arbitrary position, moreover it is possible to improve the operating characteristics of valve.The dedicated butterfly of industry
The characteristics of valve: can high temperature resistant, be applicable in pressure limit it is also higher, valve inside nominal diameter is big, valve body using carbon steel manufacture, valve plate it is close
Seal replaces rubber ring using becket.Large high-temperature butterfly valve uses steel plate welding manufacture, is mainly used for the cigarette wind of high-temperature medium
Road and gas piping.
But there are deficiencies below for existing technology:
1, existing butterfly valve is easy to cause stuck in opening-closing process；
2, existing butterfly valve seal performance is poor.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of butterfly valve internals high-temperature expansion deformation release structure,
Solve the problems, such as that butterfly valve is easy to cause stuck and poor sealing performance in opening-closing process.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of butterfly valve internals high-temperature expansion deformation is released
Structure, including valve body are put, the top of the valve body is equipped with hold-down grid by studs, and between hold-down grid and valve body
It is provided with filler pressing sleeve, the valve inner below the filler pressing sleeve is provided with packing ring, in the valve body below the packing ring
Portion is provided with filler gasket, and the middle position of the valve inner is equipped with U-shaped key, the valve inner above the U-shaped key
Axle sleeve is provided with upper valve rod, valve seat insert, the valve body are provided between the valve body and upper valve rod below the axle sleeve
Bottom bottom cover is equipped with by hexagon-headed bolt, the valve inner above the bottom cover is provided with thrust ring, the thrust ring
The valve inner of lower section is provided with divided ring, and the valve inner at the top of the thrust ring is provided with thrust ring gasket, the valve body
It is internal that lower valve rod is equipped with by thrust ring and divided ring, the upper valve rod, lower valve rod side valve inner be symmetrically installed with
Cam pin, the cam pin are made of lower prop and column body, and column body, the valve body are equipped at the top of the lower prop
Surface butterfly plate is installed, the periphery of the butterfly plate is provided with platen, and platen retaining ring is provided with above the platen, described
It is provided with platen gasket below platen, butterfly plate sealing ring is provided between the butterfly plate and valve body.
Preferably, the hold-down grid is fixedly connected with the valve body by studs, disc spring, hex nut, and disc spring is set
It sets in the bottom of hex nut.
Preferably, the difference of the diameter of the column body and lower prop is eccentric size.
Preferably, the upper valve rod and lower valve rod are connect by U-shaped key with butterfly plate.
(3) beneficial effect
The utility model provides a kind of butterfly valve internals high-temperature expansion deformation release structure, have it is following the utility model has the advantages that
(1) the utility model is equipped with U-shaped key by the middle position in valve inner, is passed through by setting valve body
Valve inner above U-shaped key is provided with upper valve rod by axle sleeve, by being installed in the bottom of valve body by hexagon-headed bolt
There is bottom cover, thrust ring is provided with by the valve inner above bottom cover, is provided with by the valve inner below thrust ring
Divided ring is provided with thrust ring gasket by the valve inner at the top of thrust ring, so make valve inner by thrust ring and
Divided ring is equipped with lower valve rod, is symmetrically installed with cam pin by the valve inner in upper valve rod, lower valve rod side, and then can be just
In when butterfly plate, upper valve rod and lower valve rod are when expanded by heating deforms, by cam pin, upper valve rod and lower valve rod is made to allow direction
Enterprising line position is moved, and then it is stuck to not easily lead to butterfly valve in opening-closing process.
(2) the utility model by setting cam pin, U-shaped key, and cam pin be made of column body and lower prop, and on
The difference of the diameter of cylinder and lower prop is eccentric size, and transmitting is connect with butterfly plate by U-shaped key by upper valve rod and lower valve rod
Torque, and upper valve rod, lower valve rod and butterfly plate realize axially position by two cam pins being symmetrically installed and butterfly plate, and then make butterfly
The thermal expansion deformation of plate, upper valve rod and lower valve rod can be released axially, so that it is guaranteed that butterfly plate sealing ring and valve base sealing
The relative position of circle makes the sealing performance of butterfly valve be guaranteed.
Detailed description of the invention
Fig. 1 is the utility model schematic diagram of internal structure；
Fig. 2 is the front view of cam pin in the utility model Fig. 1；
Fig. 3 is the top view of cam pin in the utility model Fig. 2.
In figure: 1 hold-down grid, 2 filler pressing sleeves, 3 packing rings, 4 filler gaskets, 5 axle sleeves, 6 valve bodies, 7 platens, 8 platens gear
Circle, 9 valve seat inserts, 10 butterfly plates, 11 upper valve rods, 12U type key, 13 lower valve rods, 14 cam pins, 15 butterfly plate sealing rings, 16 platens
Gasket, 17 thrust rings, 18 thrust ring gaskets, 19 divided rings, 20 bottom covers, 21 hexagon-headed bolts, 22 studs, 23 disc springs,
24 hex nuts, 25 lower props, 26 column bodies.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of butterfly valve internals high-temperature expansion deformation release knot
The top of structure, including valve body 6, valve body 6 is equipped with hold-down grid 1 by studs 22, and hold-down grid 1 passes through studs
22, disc spring 23, hex nut 24 are fixedly connected with valve body 6, and the bottom of hex nut 24, and hold-down grid is arranged in disc spring 23
It is provided with filler pressing sleeve 2 between 1 and valve body 6, the valve body 6 of 2 lower section of filler pressing sleeve is internally provided with packing ring 3, under packing ring 3
The valve body 6 of side is internally provided with filler gasket 4, and the middle position inside valve body 6 is equipped with U-shaped key 12, U-shaped 12 top of key
Valve body 6 inside upper valve rod 11 is provided with by axle sleeve 5, be provided with valve seat between the valve body 6 and upper valve rod 11 of 5 lower section of axle sleeve
The bottom of sealing ring 9, valve body 6 is equipped with bottom cover 20 by hexagon-headed bolt 21, and the valve body 6 of 20 top of bottom cover is internally provided with only
Throw-out collar 17, the valve body 6 of 17 lower section of thrust ring are internally provided with divided ring 19, and the valve body 6 at 17 top of thrust ring is internally provided with only
Throw-out collar gasket 18, is equipped with lower valve rod 13 by thrust ring 17 and divided ring 19 inside valve body 6, and upper valve rod 11 and lower valve rod 13 are logical
U-shaped key 12 is crossed to connect with butterfly plate 10, so can convenient for when butterfly plate 10, upper valve rod 11 and lower valve rod 13 expanded by heating deform when,
By cam pin 14, make upper valve rod 11 and lower valve rod 13 that the enterprising line position in direction allowed to move, and then makes butterfly valve in opening-closing process
Not easily lead to it is stuck, upper valve rod 11,13 side of lower valve rod 6 internal symmetry of valve body cam pin 14 is installed, cam pin 14 is
It is made of lower prop 25 and column body 26, the top of lower prop 25 is equipped with column body 26, and column body 26 is straight with lower prop 25
The difference of diameter is eccentric size, and the surface of valve body 6 is equipped with butterfly plate 10, and the periphery of butterfly plate 10 is provided with platen 7, platen 7 it is upper
Side is provided with platen retaining ring 8, and the lower section of platen 7 is provided with platen gasket 16, and it is close to be provided with butterfly plate between butterfly plate 10 and valve body 6
Seal 15 can be connect with butterfly plate 10 by U-shaped key 12 convenient for upper valve rod 11 and lower valve rod 13 and transmit torque, and upper valve rod 11, under
Valve rod 13 and butterfly plate 10 realize axially position by two cam pins 14 being symmetrically installed and butterfly plate 10, so make butterfly plate 10, on
The thermal expansion deformation of valve rod 11 and lower valve rod 13 can be released axially, so that it is guaranteed that butterfly plate sealing ring 15 and valve seat are close
The relative position of seal 9 makes the sealing performance of butterfly valve be guaranteed.
In use, being equipped with U-shaped key 12 by the middle position inside valve body 6, pass through the valve above U-shaped key 12
Upper valve rod 11 is provided with by axle sleeve 5 inside body 6, by being provided with valve seat between the valve body 6 below axle sleeve 5 and upper valve rod 11
Sealing ring 9 passes through the valve body above bottom cover 20 by being equipped with bottom cover 20 by hexagon-headed bolt 21 in the bottom of valve body 6
6 are internally provided with thrust ring 17, divided ring 19 are internally provided with by the valve body 6 below thrust ring 17, by thrust ring
The valve body 6 at 17 tops is internally provided with thrust ring gasket 18, and then makes to install inside valve body 6 by thrust ring 17 and divided ring 19
There is lower valve rod 13, cam pin 14 is equipped with by 6 internal symmetry of valve body in upper valve rod 11,13 side of lower valve rod, and then work as butterfly
Plate 10, upper valve rod 11 and lower valve rod 13 are permitting upper valve rod 11 and lower valve rod 13 when expanded by heating deforms, through cam pin 14
Perhaps the enterprising line position in direction is moved, and prevents butterfly valve stuck, and by being equipped with butterfly plate 10 on the surface of valve body 6, and upper valve rod 11 is under
Valve rod 13 connect transmitting torque with butterfly plate 10 by U-shaped key 12, and upper valve rod 11, lower valve rod 13 and butterfly plate 10 are right by two
The cam pin 14 and butterfly plate 10 for claiming installation realize axially position, and then make the thermal expansion of butterfly plate 10, upper valve rod 11 and lower valve rod 13
Deformation can be released axially, so that it is guaranteed that the relative position of butterfly plate sealing ring 15 and valve seat insert 9.
It can to sum up obtain, the utility model is close by setting upper valve rod 11, lower valve rod 13, U-shaped key 12, cam pin 14, butterfly plate
9 structure of seal 15 and valve seat insert solves butterfly valve and is easy to cause stuck and poor sealing performance ask in opening-closing process
Topic.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of butterfly valve internals high-temperature expansion deformation discharges structure, including valve body (6), it is characterised in that: the top of the valve body (6)
Portion is equipped with hold-down grid (1) by studs (22), and is provided with filler pressing sleeve between hold-down grid (1) and valve body (6)
(2), the valve body (6) below the filler pressing sleeve (2) is internally provided with packing ring (3), the valve body below the packing ring (3)
(6) it is internally provided with filler gasket (4), the internal middle position of the valve body (6) is equipped with U-shaped key (12), the U-shaped key
(12) be provided with upper valve rod (11) inside valve body (6) above by axle sleeve (5), the valve body (6) below the axle sleeve (5) with it is upper
It is provided between valve rod (11) valve seat insert (9), the bottom of the valve body (6) is equipped with bottom cover by hexagon-headed bolt (21)
(20), the valve body (6) above the bottom cover (20) is internally provided with thrust ring (17), the valve body below the thrust ring (17)
(6) it being internally provided with divided ring (19), the valve body (6) at the top of the thrust ring (17) is internally provided with thrust ring gasket (18),
It is equipped with lower valve rod (13) inside the valve body (6) by thrust ring (17) and divided ring (19), the upper valve rod (11), lower valve
Valve body (6) internal symmetry of bar (13) side is equipped with cam pin (14), and the cam pin (14) is by lower prop (25) and upper
Cylinder (26) is constituted, and is equipped with column body (26) at the top of the lower prop (25), the surface of the valve body (6) is equipped with butterfly plate
(10), the periphery of the butterfly plate (10) is provided with platen (7), is provided with platen retaining ring (8), institute above the platen (7)
It states and is provided with below platen (7) platen gasket (16), be provided with butterfly plate sealing ring between the butterfly plate (10) and valve body (6)
(15)。
2. a kind of butterfly valve internals high-temperature expansion deformation according to claim 1 discharges structure, it is characterised in that: the filler
Pressing plate (1) is fixedly connected by studs (22), disc spring (23), hex nut (24) with valve body (6), and disc spring (23) is arranged
In the bottom of hex nut (24).
3. a kind of butterfly valve internals high-temperature expansion deformation according to claim 1 discharges structure, it is characterised in that: the upper prop
The difference of the diameter of body (26) and lower prop (25) is eccentric size.
4. a kind of butterfly valve internals high-temperature expansion deformation according to claim 1 discharges structure, it is characterised in that: the upper valve
Bar (11) and lower valve rod (13) are connect by U-shaped key (12) with butterfly plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820788475.5U CN208237098U (en) | 2018-05-24 | 2018-05-24 | A kind of butterfly valve internals high-temperature expansion deformation release structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820788475.5U CN208237098U (en) | 2018-05-24 | 2018-05-24 | A kind of butterfly valve internals high-temperature expansion deformation release structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208237098U true CN208237098U (en) | 2018-12-14 |
Family
ID=64574851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820788475.5U Active CN208237098U (en) | 2018-05-24 | 2018-05-24 | A kind of butterfly valve internals high-temperature expansion deformation release structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208237098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360997A (en) * | 2020-10-27 | 2021-02-12 | 祥安消防科技有限公司 | Fire control butterfly valve of high gas tightness |
-
2018
- 2018-05-24 CN CN201820788475.5U patent/CN208237098U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360997A (en) * | 2020-10-27 | 2021-02-12 | 祥安消防科技有限公司 | Fire control butterfly valve of high gas tightness |
| CN112360997B (en) * | 2020-10-27 | 2022-08-09 | 祥安消防科技有限公司 | Fire control butterfly valve of high gas tightness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240511 Address after: 273516 No.1 Futang Road, Beisu Town, Zoucheng City, Jining City, Shandong Province Patentee after: Edwell Ruituo (Shandong) Automatic Control Technology Co.,Ltd. Country or region after: China Address before: Adjacent to the west side of Instrument Base, Shengfang Road, Industrial Development Zone, Daxing District, Beijing 102600 Patentee before: ADQVALVE FLOW CONTROL INDUSTRY Group Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |