CN207598961U - A kind of soft seal three-eccentric-butterfly-valve - Google Patents
A kind of soft seal three-eccentric-butterfly-valve Download PDFInfo
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- CN207598961U CN207598961U CN201721418506.XU CN201721418506U CN207598961U CN 207598961 U CN207598961 U CN 207598961U CN 201721418506 U CN201721418506 U CN 201721418506U CN 207598961 U CN207598961 U CN 207598961U
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- valve
- valve body
- valve rod
- butterfly
- sealing ring
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Abstract
The utility model discloses a kind of soft seal three-eccentric-butterfly-valves,Including valve body,Valve rod,Stent,Valve plate,Pressing plate and sealing surface,The valve body is provided at both ends with inlet and outlet,The top of the valve body is equipped with stent by bolt,The valve body is internally provided with valve rod,The top of the valve rod is through the top of valve body and stent and extends stent,The central bottom of the valve body is equipped with lower cover by bolt,The lower cover is internally provided with groove,The bottom of the valve rod is equipped with valve rod pedestal by screw,The central lower of the valve rod pedestal is provided with protrusion,The utility model is fixed by pressing plate crush seal circle and then to sealing ring,By the way that sealing ring is arranged on the abrasion that can be effectively reduced between pressing plate and valve plate to sealing ring,By when valve plate is closed,It is in contact on the inside of sealing ring and sealing surface,The sealing performance of valve can be effectively improved.
Description
Technical field
The utility model is related to butterfly valve equipment technical field, specifically a kind of soft seal three-eccentric-butterfly-valve.
Background technology
In existing market, the application of valve is very extensive, and the main function of valve is flow cutoff and adjusting.Similar application
Valve have double eccentric butterfly valve, metal sealing three-eccentric-butterfly-valve.A kind of regulating valve simple in structure of butterfly valve, available for low pressure pipeline
The switch control of medium.Butterfly valve is suitable for producer, coal gas, natural gas, liquefied petroleum gas, town gas, hot and cold air, chemical industry
Smelt and the engineering systems such as generation environment-friendly in convey various corrosivity, non-corrosive fluids medium pipeline on, for adjusting and
Block the flowing of medium.
Existing three-eccentric-butterfly-valve has the advantages that torque is small, but sealing effect is not ideal enough.
Utility model content
The purpose of this utility model is to provide a kind of soft seal three-eccentric-butterfly-valve, to solve the problems of the prior art.
To achieve the above object, the utility model provides following technical solution：A kind of soft seal three-eccentric-butterfly-valve, including valve
Body, valve rod, stent, valve plate, pressing plate and sealing surface, the valve body are provided at both ends with inlet and outlet, pass through at the top of the valve body
Bolt is equipped with stent, and the valve body is internally provided with valve rod, the top of the valve rod through the top of valve body and stent simultaneously
Extend stent, the central bottom of the valve body is equipped with lower cover by bolt, and the lower cover is internally provided with groove,
The bottom of the valve rod is equipped with valve rod pedestal by screw, and the central lower of the valve rod pedestal is provided with protrusion, the valve
The bottom of valve body is run through in the bottom of bar, and protrusion is in contact with groove, is arranged on the stem surface of the valve inner cavity
Valve plate is equipped with by bolt, the side marginal surface of the valve plate is equipped with sealing ring, the upper and lower ends setting of the pressing plate
There is flight, the pressing plate is mounted on by screw on the surface of valve plate, and the interior side of the valve body is provided with sealing surface, and
The inside of sealing surface is in contact with sealing ring.
Preferably, the position that the lower surface of the valve rod is contacted with the bottom of valve body is set with Lower shaft sleeve.
Preferably, the sealing surface is internally provided with rubber pad, and rubber pad is in contact with sealing ring.
Preferably, the inside of the flight is sealed by marine glue.
Preferably, the position that the upper face of the valve rod is in contact with valve body be respectively installed with from top to bottom Upper shaft sleeve and
Rubber washer.
Compared with prior art, the beneficial effects of the utility model are：By pressing plate crush seal circle and then to sealing ring
It is fixed, by the way that sealing ring is arranged on the abrasion that can be effectively reduced between pressing plate and valve plate to sealing ring, and then extend
The service life of valve, by when valve plate is closed, being in contact on the inside of sealing ring and sealing surface, valve can be effectively improved
Sealing performance, while the abrasion of more sealing rings can also be reduced, the position contacted by the lower surface of valve rod with the bottom of valve body
It puts and is set with Lower shaft sleeve, advantageously reduce the frictional force between stem surface and valve body, rubber is internally provided with by sealing surface
Rubber cushion, and rubber pad is in contact with sealing ring, is conducive to improve the sealing effect of valve, passes through waterproof by the inside of flight
Glue seals, and is conducive to that screw is avoided to contact for a long time with water, causes screw corrosion and damage.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the lower cover structure diagram of the utility model.
In figure：1- valve bodies, 2- valve rods, 3- Upper shaft sleeves, 4- stents, 5- rubber washers, 6- rubber pads, 7- bolts, 8- sealings
Circle, 9- screws, 10- valve plates, 11- pressing plates, 12- flights, 13- sealing surfaces, 14- lower covers, 15- grooves, 16- protrusion, 17- valves
Bar pedestal, 18- Lower shaft sleeves.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, in the utility model embodiment, a kind of soft seal three-eccentric-butterfly-valve, including valve body 1, valve rod 2,
Stent 4, valve plate 10, pressing plate 11 and sealing surface 13, the valve body 1 are provided at both ends with inlet and outlet, and the top of the valve body 1 passes through
Bolt 7 is equipped with stent 4, and the valve body 1 is internally provided with valve rod 2, the top of the valve rod 2 through the top of valve body 1 and
Stent 4 simultaneously extends stent 4, and the central bottom of the valve body 1 is equipped with lower cover 14 by bolt 7, the lower cover 14
It is internally provided with groove 15, the bottom of the valve rod 2 is equipped with valve rod pedestal 17 by screw 9, in the valve rod pedestal 17
Heart lower part is provided with protrusion 16, and the bottom of valve body 1 is run through, and protrusion 16 is in contact with groove 15 in the bottom of the valve rod 2, if
It puts and valve plate 10, the side Surface Edge of the valve plate 10 is equipped with by bolt 7 on 2 surface of valve rod of 1 internal cavities of valve body
Edge is equipped with sealing ring 8, and the upper and lower ends of the pressing plate 11 are provided with flight 12, and the pressing plate 11 is mounted on by screw 9
On the surface of valve plate 10, the interior side of the valve body 1 is provided with sealing surface 13, and the inside of sealing surface 13 and 8 phase of sealing ring
Contact, is fixed by 11 crush seal circle 8 of pressing plate and then to sealing ring 8, by the way that sealing ring 8 is arranged on pressing plate 11 and valve
The abrasion to sealing ring 8 can be effectively reduced between plate 10, and then extends the service life of valve, by being closed in valve plate 10
When, sealing ring 8 is in contact with the inside of sealing surface 13, can effectively improve the sealing performance of valve, while can also reduce more
The abrasion of sealing ring 8.
Lower shaft sleeve 18 is set with the position that the bottom of valve body 1 contacts by the lower surface of the valve rod 2, is conducive to drop
Frictional force between low 2 surface of valve rod and valve body 1.
Rubber pad 6 is internally provided with, and rubber pad 6 is in contact with sealing ring 8 by the sealing surface 13, is conducive to carry
The sealing effect of high valve.
It is sealed by the inside of the flight 12 by marine glue, is conducive to that screw 9 is avoided to contact for a long time with water, makes
It is damaged into 9 corrosion of screw.
The position being in contact by the upper face of the valve rod 2 with valve body 1 be respectively installed with from top to bottom Upper shaft sleeve 3 and
Rubber washer 5, when hydraulic pressure can be prevented excessively high, water is leaked out from the gap between the upper face of valve rod 2 and valve body 1.
The operation principle of the utility model is：It is fixed, led to and then to sealing ring 8 by 11 crush seal circle 8 of pressing plate
The abrasion that sealing ring 8 is arranged on and can be effectively reduced between pressing plate 11 and valve plate 10 to sealing ring 8 is crossed, and then extends valve
Service life, by the way that when valve plate 10 is closed, sealing ring 8 is in contact with the inside of sealing surface 13, can effectively improve valve
Sealing performance, while the abrasion of more sealing rings 8 can also be reduced, it is contacted by the lower surface of valve rod 2 with the bottom of valve body 1
Position is set with Lower shaft sleeve 18, advantageously reduces the frictional force between 2 surface of valve rod and valve body 1, passes through the inside of sealing surface 13
Rubber pad 6 is provided with, and rubber pad 6 is in contact with sealing ring 8, is conducive to improve the sealing effect of valve, passes through flight 12
Inside sealed by marine glue, be conducive to avoid screw 9 to be contacted for a long time with water, cause 9 corrosion of screw and damage.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range 0 are embraced therein.Any reference numeral in claim should not be considered as limit
The involved claim of system.
Claims (5)
1. a kind of soft seal three-eccentric-butterfly-valve, including valve body (1), valve rod (2), stent (4), valve plate (10), pressing plate (11) and close
Cover (13), it is characterised in that：The valve body (1) is provided at both ends with inlet and outlet, passes through bolt at the top of the valve body (1)
(7) stent (4) is installed, the valve body (1) is internally provided with valve rod (2), and valve body (1) is run through at the top of the valve rod (2)
Top and stent (4) and extend stent (4), the central bottom of the valve body (1) is equipped with lower cover by bolt (7)
(14), the lower cover (14) is internally provided with groove (15), and the bottom of the valve rod (2) is equipped with valve by screw (9)
Bar pedestal (17), the central lower of the valve rod pedestal (17) are provided with raised (16), and valve is run through in the bottom of the valve rod (2)
The bottom of body (1), and raised (16) are in contact with groove (15), are arranged on valve rod (2) surface of the valve body (1) internal cavities
Valve plate (10) is equipped with by bolt (7), the side marginal surface of the valve plate (10) is equipped with sealing ring (8), the pressing plate
(11) upper and lower ends are provided with flight (12), the pressing plate (11) by screw (9) on the surface of valve plate (10),
The interior side of the valve body (1) is provided with sealing surface (13), and the inside of sealing surface (13) is in contact with sealing ring (8).
2. a kind of soft seal three-eccentric-butterfly-valve according to claim 1, it is characterised in that：The lower part table of the valve rod (2)
Face is set with Lower shaft sleeve (18) with the position that the bottom of valve body (1) contacts.
3. a kind of soft seal three-eccentric-butterfly-valve according to claim 1, it is characterised in that：The inside of the sealing surface (13)
Rubber pad (6) is provided with, and rubber pad (6) is in contact with sealing ring (8).
4. a kind of soft seal three-eccentric-butterfly-valve according to claim 1, it is characterised in that：The inside of the flight (12)
It is sealed by marine glue.
5. a kind of soft seal three-eccentric-butterfly-valve according to claim 1, it is characterised in that：The top table of the valve rod (2)
Face is respectively installed with Upper shaft sleeve (3) and rubber washer (5) from top to bottom with the position that valve body (1) is in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721418506.XU CN207598961U (en) | 2017-10-29 | 2017-10-29 | A kind of soft seal three-eccentric-butterfly-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721418506.XU CN207598961U (en) | 2017-10-29 | 2017-10-29 | A kind of soft seal three-eccentric-butterfly-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598961U true CN207598961U (en) | 2018-07-10 |
Family
ID=62758138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721418506.XU Active CN207598961U (en) | 2017-10-29 | 2017-10-29 | A kind of soft seal three-eccentric-butterfly-valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598961U (en) |
-
2017
- 2017-10-29 CN CN201721418506.XU patent/CN207598961U/en active Active
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