CN107917202A - A kind of abrasion-proof ball butterfly valve - Google Patents
A kind of abrasion-proof ball butterfly valve Download PDFInfo
- Publication number
- CN107917202A CN107917202A CN201711032106.XA CN201711032106A CN107917202A CN 107917202 A CN107917202 A CN 107917202A CN 201711032106 A CN201711032106 A CN 201711032106A CN 107917202 A CN107917202 A CN 107917202A
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing surface
- valve body
- sealing
- valve plate
- 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.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/222—Shaping of the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of abrasion-proof ball butterfly valve,Including valve body,Stent,Valve rod,Valve plate seat,Lower cover,Sealing surface and valve plate,The center top of the valve body is provided with stent,And both are connected by fastening bolt,The bosom of the valve body is provided with valve rod,Valve body and stent are run through in the top of the valve rod,The bottom of valve body is run through in the bottom of the valve rod,And extend valve body,The lower surface of the valve body is provided with lower cover,And both are connected by pushing bolt of cover setting,The bottom of the valve rod is in contact with the top of lower cover,The surface for being arranged on the valve rod of the valve inner is set with valve plate seat,The present invention is arranged to arc-shaped by the edge of sealing ring,And the correspondence position of the sealing surface touched with sealing ring side edge is arranged to arc-shaped,Current can be reduced to wash away sealing ring and sealing surface,Extend the service life of butterfly valve.
Description
Technical field
The present invention relates to butterfly valve equipment technical field, is specifically a kind of abrasion-proof ball 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 system such as generation environment-friendly in convey various corrosivity, non-corrosive fluids medium pipeline on, for adjusting and
Block the flowing of medium.
Existing butterfly valve at work, since valve seat and valve plate are made by metal, sealing surface be easily worn and by
Extruding loosens, washing away and wearing intolerant to current, easily produces leakage.
The content of the invention
It is an object of the invention to provide a kind of abrasion-proof ball butterfly valve, to solve the problems of the prior art.
To achieve the above object, the present invention provides following technical solution：A kind of abrasion-proof ball butterfly valve, including valve body, stent,
Valve rod, valve plate seat, lower cover, sealing surface and valve plate, the center top of the valve body are provided with stent, and both are by fastening spiral shell
Tether and connect, the bosom of the valve body is provided with valve rod, and valve body and stent, the bottom of the valve rod are run through in the top of the valve rod
The bottom of valve body is run through in portion, and extends valve body, and the lower surface of the valve body is provided with lower cover, and both pass through lower cover
Fastening bolt connects, and the bottom of the valve rod is in contact with the top of lower cover, is arranged on the table of the valve rod of the valve inner
Surface cover is equipped with valve plate seat, and the valve plate seat is mutually fixed by bolt with valve rod, and the side surface soldered of the valve plate seat has valve plate,
The one side edge position of the valve plate is provided with sealing ring, and a side surface of the valve plate is provided with pressing plate by screw, described
Screw runs through sealing ring, and the side of the valve plate is provided with the sealing surface on valve inner surface, the sealing bread
Sealing surface and lower sealing surface are included, the edge of the sealing ring is arranged to arc-shaped, is touched with the sealing ring side edge close
The correspondence position of front cover is arranged to arc-shaped.
Preferably, the edge of the sealing ring is inscribed within the correspondence position of sealing surface.
Preferably, the position that the upper sealing surface is in contact with pressing plate is provided with rubber pad, the lower sealing surface and valve plate
Contact position be provided with rubber pad.
Preferably, the one side edge position of the lower sealing surface is against at valve plate dorsal edge.
Preferably, the side of the sealing surface is arranged to arc-shaped.
Compared with prior art, the beneficial effects of the invention are as follows：Sealing is provided with by the one side edge position in valve plate
Circle, avoids the valve plate that is made of metal and sealing surface from directly contacting, and produces metal scratch, causes the Fast Wearing of sealing surface, leads to
The edge for crossing sealing ring is arranged to arc-shaped, and the correspondence position of the sealing surface touched with sealing ring side edge is arranged to circular arc
Shape, can reduce current and sealing ring and sealing surface are washed away, extend the service life of butterfly valve, pass through the edge inscribe of sealing ring
In the correspondence position of sealing surface, while sealing effect when ensureing that valve plate is closed, be conducive to avoid sealing ring and sealing surface
Generation scratches, and causes the Fast Wearing of sealing ring, and the position being in contact by upper sealing surface with pressing plate is provided with rubber pad, under it is close
The contact position of front cover and valve plate is provided with rubber pad, by the buffering and sealing function of rubber pad, is conducive to improve valve plate, pressure
The problem of metalwork such as plate and sealing surface contacts firmly, so that reducing metallic hard contact produces the degree of wear.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the valve plate and sealing surface position relationship schematic diagram of the present invention.
In figure：1- valve bodies, 2- stents, 3- fastening bolts, 4- valve rods, 5- bolts, 6- valve plates seat, 7- lower covers, 8- are pushed
Bolt of cover setting, 9- sealing surfaces, 10- sealing rings, 11- rubber pads, 12- screws, 13- pressing plates, 14- valve plates, 15- lower sealing surfaces,
The upper sealing surfaces of 16-.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1-2, in the embodiment of the present invention, a kind of abrasion-proof ball butterfly valve, including valve body 1, stent 2, valve rod 4, valve
Panel seat 6, lower cover 7, sealing surface 9 and valve plate 14, the center top of the valve body 1 are provided with stent 2, and both are by fastening spiral shell
Bolt 3 connects, and the bosom of the valve body 1 is provided with valve rod 4, and the top of the valve rod 4 is through valve body 1 and stent 2, the valve
The bottom of valve body 1 is run through in the bottom of bar 4, and extends valve body 1, and the lower surface of the valve body 1 is provided with lower cover 7, and two
Person is connected by pushing bolt of cover setting 8, and the bottom of the valve rod 4 is in contact with the top of lower cover 7, is arranged on the valve body
The surface of valve rod 4 inside 1 is set with valve plate seat 6, and the valve plate seat 6 is fixed by bolt 5 and 4 phase of valve rod, the valve plate seat
6 side surface soldered has valve plate 14, and the one side edge position of the valve plate 14 is provided with sealing ring 10, the valve plate 14
One side surface is provided with pressing plate 13 by screw 12, and the screw 12 runs through sealing ring 10, and the side of the valve plate 14 is provided with
The sealing surface 9 being arranged in 1 interior surface of valve body, the sealing surface 9 include upper sealing surface 16 and lower sealing surface 15, the sealing
The edge of circle 10 is arranged to arc-shaped, and the correspondence position of the sealing surface 9 touched with 10 side edge of sealing ring is arranged to circular arc
Shape, sealing ring 10 is provided with by the one side edge position in valve plate 14, avoids the valve plate 14 and sealing surface 9 being made of metal
Directly contact, produce metal scratch, cause the Fast Wearing of sealing surface 9, be arranged to arc-shaped by the edge of sealing ring 10, and
The correspondence position of the sealing surface 9 touched with 10 side edge of sealing ring is arranged to arc-shaped, can reduce current to 10 He of sealing ring
Sealing surface 9 washes away, and extends the service life of butterfly valve.
The correspondence position of sealing surface 9 is inscribed within by the edge of the sealing ring 10, it is close when ensureing that valve plate 14 is closed
While sealing effect, be conducive to avoid sealing ring 10 from scratching with the generation of sealing surface 9, cause the Fast Wearing of sealing ring 10.
Rubber pad 11 is provided with by the upper sealing surface 16 and the position that pressing plate 13 is in contact, the lower sealing surface 15 with
The contact position of valve plate 14 is provided with rubber pad 11, by the buffering and sealing function of rubber pad 11, be conducive to improve valve plate 14,
The problem of metalwork such as pressing plate 13 and sealing surface contacts firmly.
It is against by the one side edge position of the lower sealing surface 15 at 14 dorsal edge of valve plate, is conducive to close in valve plate 14
Certain support is carried out when closing to valve plate 14.
It is arranged to arc-shaped by the side of the sealing surface 9, being conducive to, which improves current, asks what sealing surface 9 directly washed away
Topic.
The present invention operation principle be：Sealing ring 10 is provided with by the one side edge position in valve plate 14, is avoided by gold
Valve plate 14 made of category and sealing surface 9 directly contact, and produce metal scratch, cause the Fast Wearing of sealing surface 9, pass through sealing ring
10 edge is arranged to arc-shaped, and the correspondence position of the sealing surface 9 touched with 10 side edge of sealing ring is arranged to arc-shaped, can
To reduce current washing away to sealing ring 10 and sealing surface 9, extend the service life of butterfly valve, pass through the edge inscribe of sealing ring 10
In the correspondence position of sealing surface 9, while sealing effect when ensureing that valve plate 14 is closed, be conducive to avoid sealing ring 10 with it is close
Front cover 9 is produced and scratched, and is caused the Fast Wearing of sealing ring 10, is provided with by upper sealing surface 16 with the position that pressing plate 13 is in contact
Rubber pad 11, lower sealing surface 15 and the contact position of valve plate 14 are provided with rubber pad 11, buffering and sealing by rubber pad 11
Effect, is conducive to improve the problem of metalworks such as valve plate 14, pressing plate 13 and sealing surface contact firmly, so as to reduce metallic hard contact production
The raw degree of wear.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (5)
1. a kind of abrasion-proof ball butterfly valve, including valve body (1), stent (2), valve rod (4), valve plate seat (6), lower cover (7), sealing surface
(9) and valve plate (14), it is characterised in that：The center top of the valve body (1) is provided with stent (2), and both are by fastening spiral shell
Bolt (3) connects, and the bosom of the valve body (1) is provided with valve rod (4), and the top of the valve rod (4) is through valve body (1) and branch
Frame (2), the bottom of valve body (1) is run through in the bottom of the valve rod (4), and extends valve body (1), the bottom table of the valve body (1)
Face is provided with lower cover (7), and both are connected by pushing bolt of cover setting (8), the bottom of the valve rod (4) and lower cover
(7) top is in contact, and the surface for being arranged on the internal valve rod (4) of the valve body (1) is set with valve plate seat (6), the valve plate
Seat (6) is mutually fixed by bolt (5) and valve rod (4), and the side surface soldered of the valve plate seat (6) has valve plate (14), the valve
The one side edge position of plate (14) is provided with sealing ring (10), and a side surface of the valve plate (14) is provided with by screw (12)
Pressing plate (13), the screw (12) run through sealing ring (10), and the side of the valve plate (14) is provided with valve body (1) inside
Sealing surface (9) on surface, the sealing surface (9) include upper sealing surface (16) and lower sealing surface (15), the sealing ring (10)
Edge be arranged to arc-shaped, the correspondence position of the sealing surface (9) touched with the sealing ring (10) side edge is arranged to circular arc
Shape.
A kind of 2. abrasion-proof ball butterfly valve according to claim 1, it is characterised in that：The edge inscribe of the sealing ring (10)
Correspondence position in sealing surface (9).
A kind of 3. abrasion-proof ball butterfly valve according to claim 1, it is characterised in that：The upper sealing surface (16) and pressing plate
(13) position being in contact is provided with rubber pad (11), and the lower sealing surface (15) and the contact position of valve plate (14) are provided with rubber
Rubber cushion (11).
A kind of 4. abrasion-proof ball butterfly valve according to claim 1, it is characterised in that：A side of the lower sealing surface (15)
Edge position is against at valve plate (14) dorsal edge.
A kind of 5. abrasion-proof ball butterfly valve according to claim 1, it is characterised in that：The side of the sealing surface (9) is set
To be arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711032106.XA CN107917202A (en) | 2017-10-29 | 2017-10-29 | A kind of abrasion-proof ball butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711032106.XA CN107917202A (en) | 2017-10-29 | 2017-10-29 | A kind of abrasion-proof ball butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917202A true CN107917202A (en) | 2018-04-17 |
Family
ID=61894955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711032106.XA Withdrawn CN107917202A (en) | 2017-10-29 | 2017-10-29 | A kind of abrasion-proof ball butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340392A (en) * | 2018-12-25 | 2019-02-15 | 广东科维机械设备有限公司 | A kind of hand operated gate valve |
-
2017
- 2017-10-29 CN CN201711032106.XA patent/CN107917202A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340392A (en) * | 2018-12-25 | 2019-02-15 | 广东科维机械设备有限公司 | A kind of hand operated gate valve |
| CN109340392B (en) * | 2018-12-25 | 2024-03-22 | 广东科维机械设备有限公司 | Manual gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180417 |
|
| WW01 | Invention patent application withdrawn after publication |