CN207486081U - High temperature resistant ethylene propylene diene rubber dish valve - Google Patents
High temperature resistant ethylene propylene diene rubber dish valve Download PDFInfo
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- CN207486081U CN207486081U CN201721647002.5U CN201721647002U CN207486081U CN 207486081 U CN207486081 U CN 207486081U CN 201721647002 U CN201721647002 U CN 201721647002U CN 207486081 U CN207486081 U CN 207486081U
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- propylene diene
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Abstract
The utility model discloses a kind of high temperature resistant ethylene propylene diene rubber dish valves, including valve rod, valve plate and valve body, valve rod is supported on valve body upper and lower part respectively by upper bearing (metal) and lower bearing setting up and down, valve plate plate body outer surface is provided with rubber layer, rubber layer uses ethylene propylene diene monomer (EPDM) material, valve body upper end is provided with air cylinder support, stainless steel thermal insulation board is assembled on stent between cylinder and dish valve, further reducing or obstructed in this way heat source influences the heat radiation of the two, so that the dish valve has heat safe effect, rubber layer uses ethylene propylene diene monomer (EPDM) material, valve plate is allow directly to be in contact with valve body, it is simple in structure, it is easy to make, improve service life, the step of simplifying installation, reduce production cost, the setting of sealing ring improves the sealing performance of the valve body.
Description
Technical field
The utility model is related to a kind of dish valves, more particularly to high temperature resistant ethylene propylene diene rubber dish valve.
Background technology
Dish valve is called flap valve, is a kind of regulating valve simple in structure, the switch control available for low pressure pipeline medium
Dish valve refers to that closure member (flap or dish plate) for disk, a kind of valve of open and close is reached around valve shaft rotation, valve can
For controlling the various types such as empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium
The flowing of fluid, its main cut-out and throttling action on pipeline, dish valve opening and closing element is a discoidal dish plate, in valve body
It is rotated around the axis of its own, so as to achieve the purpose that keying or conciliation.
Dish valve can be sometimes applied in some rugged environments, such as is applied in the higher part of some temperature, temperature mistake
Height causes elastic component to become fragile, and reduces the service life, while general dish valve has that leakproofness is poor.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high temperature resistant, good airproof performances
And the high temperature resistant ethylene propylene diene rubber dish valve of service life length.
Following technical scheme may be used to realize in the technical issues of the utility model solves：
High temperature resistant ethylene propylene diene rubber dish valve, including valve rod, valve plate and valve body, valve rod by upper bearing (metal) setting up and down and
Lower bearing is supported on valve body upper and lower part respectively；
Upper bearing (metal) is fixed by upper bracket and valve body, and lower bearing is fixed by lower carriage and valve body, and valve rod is from top to bottom
Upper bracket, upper bearing (metal), lower carriage and lower bearing are sequentially passed through, upper gap, its underpart and valve are formed between valve body top and valve rod
Lower gap is formed between bar, be equipped with flexible gasket on first segment in upper gap successively from top to bottom, on stainless steel spacer and
Flexible gasket on second segment, the top of flexible gasket is equipped with upper gland on first segment, in lower gap from it is lower toward
On be equipped under first segment under flexible gasket, stainless steel flexible gasket under spacer and second segment successively, it is soft under first segment
Property airtight and watertight padding top be equipped with lower gland；
Valve body is equipped with the sealing ring that can coordinate with sealing surface of valve plate, sealing ring in a ring, including main body and support spring,
Main body is flexible cylindrical main body and its section is U-shaped, and support spring is arranged in the U-shaped cavity of main body, main body side
Face is equipped with air inflation nozzle, and ventilation support is equipped in air inflation nozzle channel, and the inside edge of main body is equipped with a circle flange, the inner circumferential side of main body
Face is equipped with flange, and two side flangings are opposite, and ventilation support is cylindrical hard cannulated sleeve, and center is air passage, in its inner end
Equipped with the trim ring more slightly larger than air inflation nozzle internal orifice dimension, prevent the ventilation support in inflation from shifting outward, the valve plate of gas-flow closure dish valve
In assembling, first ventilation support is inserted into air inflation nozzle channel outward inside sealing ring, then the annular brace being screwed on
Spring is placed in sealing ring U-shaped cavity, gas-flow closure snare is entered to be positioned in the groove that valve plate is formed with sealing surface, is made sealing
The flange at circle two sides internal diameter edge contacts, and spin fastening screw with valve plate and sealing surface, at this moment internal diameter of the seal ring circumference
Two flange set by face, so as to which sealing ring be made to form the air storage inner cavity of closing, improve the sealing of valve body in close closed state
Performance；
Valve plate includes valve plate plate body, and valve plate plate body center is axially disposed valve shaft set, is provided in the axial direction in valve shaft set
Valve shaft hole, valve shaft, which is put on, has been disposed radially pin hole, and pin is detachably and fixedly provided on pin hole to fix valve plate and valve rod,
Valve plate plate body outer surface is provided with rubber layer, and rubber layer vulcanizes onto valve plate, and rubber layer uses ethylene propylene diene monomer (EPDM) material, makes valve
Plate can directly be in contact with valve body, not only simple in structure, easy to make without installing valve seat on valve plate again, improve
Service life, and the step of simplify installation, reduce production cost；
Valve body upper end is provided with air cylinder support, cylinder is fixed on air cylinder support, by stretching between air cylinder support and valve body
Long stent is fixed, and thermal insulation board has been removably secured on air cylinder support, and thermal insulation board both ends are bent downward, between cylinder and dish valve
Stent on assemble stainless steel thermal insulation board, further reducing or obstructed in this way heat source influences the heat radiation of the two, this
Sample cylinder and attachment electric elements would not because of environment temperature it is excessively high cause idle machine or temperature very high in addition burn out without
It can work normally so that the dish valve has heat safe effect.
Above-mentioned high temperature resistant ethylene propylene diene rubber dish valve, elongation stent have hot environment using stainless steel material
Under be unlikely to deform and the advantages that good physical performance, further enhance heat insulation, be convenient for changing after thermal deformation, versatility is good.
Above-mentioned high temperature resistant ethylene propylene diene rubber dish valve is additionally provided with resetting spring on valve rod, and resetting spring is located at valve rod
It is interior.
Above-mentioned high temperature resistant ethylene propylene diene rubber dish valve, support spring ring stainless steel spiral support spring, in two terminations
Head place use it is inner it is small it is outer greatly be screwed on header structure so that the annulus of support spring to be facilitated to make.
Above-mentioned high temperature resistant ethylene propylene diene rubber dish valve, sealing surface of valve plate use built-up welding stainless steel or pile-up welding hard alloy material
Material.
The beneficial effects of the utility model are：Stainless steel thermal insulation board is assembled on stent between cylinder and dish valve, in this way
Further reducing or obstructed heat source influences the heat radiation of the two, and such cylinder and attachment electric elements would not be because
It causes idle machine or temperature very high or even burns out and cisco unity malfunction for environment temperature is excessively high so that the dish valve has high temperature resistant
Effect, rubber layer use ethylene propylene diene monomer (EPDM) material, valve plate is allow directly to be in contact with valve body, without again in valve plate
Upper installation valve seat, it is not only simple in structure, easy to make, the step of improving service life, and simplify installation, reduce life
Cost is produced, the setting of sealing ring improves the sealing performance of the valve body.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model sealing ring；
Fig. 3 is the structure diagram of the utility model valve plate；
Fig. 4 is the partial structural diagram of the utility model.
Specific embodiment
The effect of to make to the structure feature of the utility model and being reached have it is further understand and understanding, to compared with
Good embodiment and attached drawing cooperation detailed description, are described as follows：
As shown in Figure 1,2,3, 4,
High temperature resistant ethylene propylene diene rubber dish valve, including valve rod 1, valve plate 2 and valve body 3, valve rod 1 passes through upper axis setting up and down
Hold 31 and lower bearing 32 be supported on 3 upper and lower part of valve body respectively；
Upper bearing (metal) 31 is fixed by upper bracket 311 and valve body 3, and lower bearing 32 is fixed by lower carriage 321 and valve body 3, and
Valve rod 1 sequentially passes through upper bracket, upper bearing (metal), lower carriage and lower bearing from top to bottom, between being formed above between valve body top and valve rod
Gap forms lower gap, flexible gasket on first segment is equipped with successively from top to bottom in upper gap between its underpart and valve rod
312nd, flexible gasket 314 on spacer 313 and second segment on stainless steel, the top of flexible gasket is equipped with upper on first segment
Gland 315 is equipped under first segment 323 and of spacer under flexible gasket 322, stainless steel in lower gap successively from lower to upper
Flexible gasket 324 under second segment, the top of flexible gasket is equipped with lower gland 325 under first segment；
Valve body is equipped with the sealing ring that can coordinate with sealing surface of valve plate, and sealing ring in a ring, including main body 41 and supports bullet
Spring 42, main body 41 is flexible cylindrical main body and its section is U-shaped, and support spring is arranged in the U-shaped cavity of main body,
Body side is equipped with air inflation nozzle 43, and ventilation support 44 is equipped in air inflation nozzle channel, and the inside edge of main body is equipped with a circle flange, main body
Inner circumference side be equipped with flange 45, two side flangings are opposite, and ventilation support is cylindrical hard cannulated sleeve, and center is ventilation
Road is equipped with the trim ring more slightly larger than air inflation nozzle internal orifice dimension in its inner end, prevents the ventilation support in inflation from shifting outward, inflation is close
The valve plate of dish valve is sealed in assembling, is first inserted into ventilation support in air inflation nozzle channel inside the sealing ring outward, then being screwed on
Good annular brace spring is placed in sealing ring U-shaped cavity, enters to be positioned over what valve plate was formed with sealing surface by gas-flow closure snare
In groove, the flange at sealing ring two sides internal diameter edge is made to be contacted with valve plate and sealing surface, and spin fastening screw, it is at this moment close
Two flange set by seal inside diameter hoop face, so as to which sealing ring be made to form the air storage inner cavity of closing, are carried in close closed state
The sealing performance of high valve body；
Valve plate 2 includes valve plate plate body 21, and valve plate plate body center is axially disposed to have valve shaft to cover 22, is opened in an axial direction in valve shaft set
Equipped with valve shaft hole 23, valve shaft, which is put on, has been disposed radially pin hole, and pin is detachably and fixedly provided on pin hole to fix valve plate
And valve rod, 21 outer surface of valve plate plate body are provided with rubber layer, rubber layer vulcanizes onto valve plate, and rubber layer uses ethylene propylene diene rubber
Material allows valve plate to be directly in contact with valve body, without installing valve seat, not only simple in structure, making on valve plate again
It is convenient, the step of improving service life, and simplify installation, reduce production cost；
Valve body upper end is provided with air cylinder support 5, and cylinder is fixed on air cylinder support 5, is passed through between air cylinder support and valve body
Elongation stent 51 is fixed, and thermal insulation board 52 has been removably secured on air cylinder support, thermal insulation board both ends are bent downward, in cylinder and dish
Stainless steel thermal insulation board is assembled on stent between valve, further reduces or obstructed in this way heat radiation shadow of the heat source to the two
It rings, such cylinder and attachment electric elements would not cause idle machine or temperature very high or even burn out because of environment temperature is excessively high
And cisco unity malfunction so that the dish valve has heat safe effect.
Stent is extended using stainless steel material, while has many advantages, such as to be unlikely to deform under hot environment and good physical performance,
Heat insulation is further enhanced, is convenient for changing after thermal deformation, versatility is good.
In the utility model, resetting spring is additionally provided on valve rod, resetting spring is located in valve rod.
Support spring ring stainless steel spiral support spring, used in both ends joint it is inner it is small it is outer it is big be screwed on header structure with
The annulus of support spring is facilitated to make.
As further improvement of the utility model, sealing surface of valve plate uses built-up welding stainless steel or pile-up welding hard alloy material
Material.
Stainless steel thermal insulation board is assembled on stent between cylinder and dish valve, further reduces or obstructed in this way heat
Source influences the heat radiation of the two, such cylinder and attachment electric elements would not because of environment temperature it is excessively high cause idle machine or
Person's temperature is very high or even burns out and cisco unity malfunction so that the dish valve has heat safe effect, and rubber layer uses ternary second
Third rubber material, allows valve plate to be directly in contact with valve body, without valve seat is installed on valve plate again, not only structure letter
It is single, easy to make, the step of improving service life, and simplify installation, production cost is reduced, the setting of sealing ring carries
The high sealing performance of the valve body.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only the utility model principle, on the premise of not departing from the spirit and scope of the utility model the utility model also have respectively
Kind changes and improvements, these changes and improvements are both fallen in claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (5)
1. high temperature resistant ethylene propylene diene rubber dish valve, including valve rod, valve plate and valve body, valve rod is by upper bearing (metal) setting up and down under
Bearing is supported on valve body upper and lower part respectively；
It is characterized in that,
The upper bearing (metal) is fixed by upper bracket and valve body, and lower bearing is fixed by lower carriage and valve body, and valve rod is from top to bottom
Upper bracket, upper bearing (metal), lower carriage and lower bearing are sequentially passed through, upper gap, its underpart and valve are formed between valve body top and valve rod
Lower gap is formed between bar, be equipped with flexible gasket on first segment in upper gap successively from top to bottom, on stainless steel spacer and
Flexible gasket on second segment, the top of flexible gasket is equipped with upper gland on first segment, in lower gap from it is lower toward
On be equipped under first segment under flexible gasket, stainless steel flexible gasket under spacer and second segment successively, it is soft under first segment
Property airtight and watertight padding top be equipped with lower gland；
Valve body be equipped with can with sealing surface of valve plate coordinate sealing ring, sealing ring in a ring, including main body and support spring, main body
For flexible cylindrical main body and its section it is U-shaped, support spring is arranged in the U-shaped cavity of main body, and body side is set
There is air inflation nozzle, ventilation support is equipped in air inflation nozzle channel, the inside edge of main body is equipped with a circle flange, and the inner circumference side of main body is set
There is flange, ventilation support is cylindrical hard cannulated sleeve, and center is air passage, and inner wall is equipped with trim ring；
Valve plate includes valve plate plate body, and valve plate plate body center is axially disposed valve shaft set, and valve shaft is provided in the axial direction in valve shaft set
Hole, valve shaft, which is put on, has been disposed radially pin hole, and pin is detachably and fixedly provided on pin hole to fix valve plate and valve rod, valve plate
Plate body outer surface is provided with rubber layer, and rubber layer uses ethylene propylene diene monomer (EPDM) material；
Valve body upper end is provided with air cylinder support, and cylinder is fixed on air cylinder support, by extending branch between air cylinder support and valve body
Frame is fixed, and thermal insulation board has been removably secured on air cylinder support, and thermal insulation board both ends are bent downward.
2. high temperature resistant ethylene propylene diene rubber dish valve according to claim 1, which is characterized in that the elongation stent is not using
Become rusty Steel material.
3. high temperature resistant ethylene propylene diene rubber dish valve according to claim 1, which is characterized in that be additionally provided on the valve rod
Resetting spring, resetting spring are located in valve rod.
4. high temperature resistant ethylene propylene diene rubber dish valve according to claim 1, which is characterized in that the support spring is annular
Stainless steel spiral support spring.
5. high temperature resistant ethylene propylene diene rubber dish valve according to claim 1, which is characterized in that the sealing surface of valve plate uses
Built-up welding stainless steel or pile-up welding hard alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721647002.5U CN207486081U (en) | 2017-12-01 | 2017-12-01 | High temperature resistant ethylene propylene diene rubber dish valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721647002.5U CN207486081U (en) | 2017-12-01 | 2017-12-01 | High temperature resistant ethylene propylene diene rubber dish valve |
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| Publication Number | Publication Date |
|---|---|
| CN207486081U true CN207486081U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721647002.5U Active CN207486081U (en) | 2017-12-01 | 2017-12-01 | High temperature resistant ethylene propylene diene rubber dish valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207486081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114807518A (en) * | 2022-06-02 | 2022-07-29 | 山东钢铁股份有限公司 | Water vapor isolating device for RH furnace |
-
2017
- 2017-12-01 CN CN201721647002.5U patent/CN207486081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114807518A (en) * | 2022-06-02 | 2022-07-29 | 山东钢铁股份有限公司 | Water vapor isolating device for RH furnace |
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