CN215568007U - Double-valve-plate high-sealing butterfly valve - Google Patents
Double-valve-plate high-sealing butterfly valve Download PDFInfo
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- CN215568007U CN215568007U CN202121014793.4U CN202121014793U CN215568007U CN 215568007 U CN215568007 U CN 215568007U CN 202121014793 U CN202121014793 U CN 202121014793U CN 215568007 U CN215568007 U CN 215568007U
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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
- F16K1/20—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 arranged externally of valve member
- F16K1/2021—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 arranged externally of valve member with a plurality of valve members
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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
- F16K1/20—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 arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
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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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a double-valve-plate high-sealing butterfly valve, which comprises a valve body, a static valve plate fixedly connected in the valve body and a driving shaft connected in the valve body in a shaft mode, wherein the driving shaft is connected in the valve body in a shaft mode along the radial direction of the valve body in a shaft mode, the driving shaft is positioned on one side of the static valve plate, a connecting rod is fixedly connected to the driving shaft, two ends of the connecting rod are respectively provided with a movable valve plate, the two movable valve plates are respectively positioned on two sides of the static valve plate, the static valve plate is provided with two valve holes matched with the movable valve plates, the two movable valve plates move in opposite directions, when the two movable valve plates respectively cover the valve holes, the valve holes can be closed, and therefore the butterfly valve is closed.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a double-valve-plate high-sealing butterfly valve.
Background
The butterfly valve is also called a flap valve, is a regulating valve with simple structure, and can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the purpose of opening and closing or adjusting is achieved, the existing butterfly valve is sealed through a sealing ring on the periphery of the circular disc, the sealing ring is abraded due to long-term opening and closing, and the sealing effect is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a double-valve-plate high-sealing butterfly valve.
The utility model is realized by the following technical scheme, and provides a double-valve-plate high-sealing butterfly valve which comprises a valve body, a static valve plate fixedly connected in the valve body and a driving shaft connected in the valve body in a shaft mode, wherein the driving shaft is connected in the valve body in a shaft mode along the radial direction of the valve body and located on one side of the static valve plate, a connecting rod is fixedly connected to the driving shaft, two ends of the connecting rod are respectively provided with a movable valve plate, the two movable valve plates are located on two sides of the static valve plate respectively, and two valve holes matched with the movable valve plates are formed in the static valve plate.
Through the rotation of drive shaft in this scheme, can drive two and move valve plate reverse movement to cover corresponding valve opening from quiet valve plate both sides through moving the valve plate, because last movable valve plate and lower movable valve plate cover on the valve opening, consequently there is not the wearing and tearing problem, and move movable valve plate through the connecting rod drive, can make the movable valve plate closely laminate in the side of valve opening, improve sealed effect.
Preferably, the static valve plate is provided with a bending part protruding towards one side far away from the driving shaft, and the driving shaft is positioned in the bending part. The drive shaft is located the portion of bending in this scheme to reduce the distance between drive shaft and the quiet valve plate, can pass corresponding valve opening with drive shaft and quiet valve plate parallel and level, because when keeping away from the valve plate that moves of drive shaft one side and opening, the one end of connecting rod passes the valve opening, with the drive shaft and the even connecting rod of being convenient for of quiet valve plate pass the valve opening.
Preferably, the valve further comprises two fastening insertion shafts inserted into the valve body from the side face of the valve body, and the end parts of the fastening insertion shafts are matched with the end parts of the connecting rods. The inserted shaft in this scheme inserts the tip of connecting rod to block the connecting rod tip, make the movable valve plate of tip compress tightly on the valve opening.
Preferably, the end part of the fastening insertion shaft is conical, and the end part of the connecting rod is provided with an inclined plane matched with the end part of the fastening insertion shaft. The connecting rod tip is equipped with the inclined plane of inserting a shaft tip adaptation with the fastening in this scheme, inserts axial connecting rod direction through the fastening and removes, makes the conical surface of the tip of fastening insertion shaft compress tightly the inclined plane of connecting rod, compresses tightly the connecting rod tip to the direction that compresses tightly quiet valve plate to the leakproofness between reinforcing quiet valve plate and the valve opening.
Preferably, the fastening inserted shaft is in threaded connection with the valve body. The fastening insertion shaft is connected with the valve body through threads in the scheme, so that the fastening insertion shaft can be driven to move axially through rotating the fastening insertion shaft.
And as optimization, the static valve plate is provided with a plurality of inflation holes, and the inflation holes are communicated to the joint surface of the dynamic valve plate and the static valve plate. The inflation hole in this scheme communicates to the binding face of moving valve plate and quiet valve plate, through to the downthehole high-pressure gas that injects into of inflation, when moving between valve plate and the quiet valve plate because of the laminating inseparable existence reveal, high-pressure gas can prevent gas or liquid leakage in the pipeline to avoid dangerous gas or toxic gas to leak and lead to the accident.
Preferably, the movable valve plate is hinged with the connecting rod. The movable valve plate is hinged to the connecting rod in the scheme, so that the movable valve plate can be attached to the static valve plate more closely.
As optimization, the movable valve plate is fixedly connected to the movable valve plate connecting block through a bolt, the movable valve plate connecting block is hinged to the connecting rod, and a plurality of gaskets are arranged between the movable valve plate and the movable valve plate connecting block. Move in this scheme and be equipped with a plurality of gasket between valve plate and the movable valve plate connecting block, through quantity and the thickness of adjustment gasket, can adjust the distance between movable valve plate and the connecting rod.
Preferably, the movable valve plate is fixedly connected to the movable valve plate connecting block, a screw is arranged on the movable valve plate connecting block, the connecting rod is axially connected with a connecting shaft, the screw radially penetrates through the connecting shaft along the connecting shaft, and nuts positioned on two sides of the connecting shaft are arranged on the screw. The distance between the movable valve plate and the connecting rod can be adjusted by adjusting the positions of the two nuts.
Preferably, the valve hole is semicircular, elliptic or circular.
The utility model has the beneficial effects that: according to the double-valve-plate high-sealing butterfly valve, the two movable valve plates move reversely, when the two movable valve plates cover the valve hole respectively, the valve hole can be closed, so that the butterfly valve is closed.
Drawings
FIG. 1 is a sectional view of the interior of the present invention when closed;
FIG. 2 is an internal cross-sectional view of the present invention when open;
FIG. 3 is a schematic view of a valve bore of the present invention;
FIG. 4 is a schematic view of another valve opening of the present invention;
FIG. 5 is a schematic view of another valve opening of the present invention;
FIG. 6 is a sectional view taken along the line A-A in FIG. 1 in accordance with example 1 of the present invention;
FIG. 7 is a sectional view taken along the line A-A in FIG. 1 in accordance with embodiment 2 of the present invention;
FIG. 8 is a sectional view of the inside of embodiment 3 of the present invention;
shown in the figure:
1. the valve comprises a valve body, 2, a driving shaft, 3, a flange plate, 4, a connecting rod, 5, a movable valve plate, 6, a movable valve plate connecting block, 7, a valve hole, 8, a static valve plate, 9, a bending part, 10, a fastening insertion shaft, 11, an insertion shaft connecting cover, 12, a connecting shaft, 13, a screw rod, 14, a nut, 15, a gasket, 16 and an inflation hole.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Example 1:
as shown in fig. 1 to 6, the double-valve-plate high-sealing butterfly valve of the utility model comprises a valve body 1, a static valve plate 8 fixedly connected in the valve body 1, and a driving shaft 2 coupled in the valve body 1, wherein the valve body 1 is a circular tube, and two ends of the valve body 1 are provided with flange plates 3 for connecting the butterfly valve with a pipeline.
The quiet valve plate 8 sets up at the middle part of valve body 1 and laminates with 1 inner wall of valve body, drive shaft 2 along 1 radial hub joints of valve body in 1 and drive shaft 2 is located one side of quiet valve plate 8 of valve body, and the one end of drive shaft 2 stretches out to the 1 outside of valve body for be connected with operating element, drive shaft 2 through operating element and rotate, operating element can make hand-operated parts such as handle, hand wheel, also can be automatic switch's such as motor, cylinder spare part.
The static valve plate 8 is provided with a bending part 9 protruding towards one side far away from the driving shaft 2, and the driving shaft 2 is positioned in the bending part, so that the driving shaft 2 is flush with the static valve plate 8.
The driving shaft 2 is fixedly connected with a connecting rod 4, the connecting rod 4 is fixedly connected to one side, far away from the static valve plate 8, of the driving shaft 2, and the length direction of the connecting rod 4 is perpendicular to the length direction of the driving shaft 2.
Two ends of the connecting rod 4 are provided with movable valve plates 5, the movable valve plates 5 are hinged with the connecting rod 4, and the hinged shafts of the movable valve plates 5 and the connecting rod 4 are parallel to the driving shaft 2.
Two move valve plate 5 and be located static valve plate 8 both sides respectively, open on the static valve plate 8 have two with move the valve opening 7 of valve plate 5 adaptation, two valve openings 7 are for drive shaft 2 symmetries, and the shape of valve opening 7 is close and valve opening 7 slightly is less than moving valve plate 5 with the shape of moving valve plate 5 to it can laminate on static valve plate 8 to make valve plate 5, thereby plugs up the valve opening.
Because the two movable valve plates 5 are respectively positioned at two sides of the static valve plate 8, and the connecting rod 4 is positioned at one side of the static valve plate 8, one end of the connecting rod 4 passes through the valve hole 7 to be connected with the movable valve plate 5 at the other side, and when the movable valve plate 5 is opened, one end of the connecting rod 4 extends into the other side of the static valve plate 8 through the valve hole 7.
The valve hole 7 may be semicircular as shown in fig. 4, elliptical as shown in fig. 5, or circular as shown in fig. 3.
The static valve plate 8 is provided with a plurality of inflation holes 16, the inflation holes 16 are communicated with the joint surface of the dynamic valve plate and the static valve plate 8, so that high-pressure gas is injected into the joint surface to prevent gas or liquid in a pipeline from flowing out when the butterfly valve is closed, and the other end of the inflation hole is communicated to the outside of the valve body and communicated with the high-pressure gas.
Still include two fastening inserted shafts 10 from the side of valve body 1 and insert in the valve body 1, the tip and the 4 tip adaptations of connecting rod of fastening inserted shaft 10, fastening inserted shaft 10 is along radially inserting in valve body 1, and 1 outside rigid coupling of valve body has inserted a connection lid 11, and fastening inserted shaft 10 passes through threaded connection with inserting a connection lid 11 in this embodiment to make fastening inserted shaft 10 and 1 threaded connection of valve body, the fastening inserted shaft 10 other end stretch out to outside the valve body 1, and the tip is equipped with the hand wheel, and the rotatory fastening of being convenient for is inserted shaft 10, is equipped with the sealing washer between fastening inserted shaft 10 and the valve body 1, thereby prevents that the medium in the valve body from flowing out.
The fastening plug shaft 10 can be connected with the valve body 1 without threads, and can also be connected hydraulically or pneumatically, so that the axial movement of the fastening plug shaft 10 is controlled, and the purpose of automatic control or remote control is achieved.
The end of the fastening plug shaft 10 is conical, the end of the connecting rod 4 is provided with an inclined surface adapted to the end of the fastening plug shaft 10, as shown in fig. 1, the inclined surface on the end of the connecting rod 4 corresponding to the movable valve plate 5 close to one side of the driving shaft is arranged on one side far away from the movable valve plate 5, so that when the fastening plug shaft 10 is fastened to the inclined surface, the movable valve plate 5 is pressed against the static valve plate.
As shown in fig. 1, the inclined surface on the end of the connecting rod 4 corresponding to the movable valve plate 5 on the side away from the driving shaft is arranged between the connecting rod 4 and the movable valve plate 5, so that the movable valve plate 5 is driven to move upwards to press the movable valve plate 5 against the static valve plate.
The movable valve plate 5 is fixedly connected to the movable valve plate connecting block 6, a screw 13 is arranged on one side, away from the movable valve plate 5, of the movable valve plate connecting block 6, a connecting shaft 12 is axially connected to the connecting rod 4, the screw 13 radially penetrates through the connecting shaft 12 along the connecting shaft 12, accordingly, the movable valve plate 5 is hinged to the connecting rod 4, and nuts 14 located on two sides of the connecting shaft 12 are mounted on the screw 13.
Example 2:
as shown in fig. 1 to 7, the present embodiment is different from embodiment 1 in that:
move valve plate 5 and pass through the bolt rigid coupling on moving valve plate connecting block 6, it is articulated through articulated shaft with connecting rod 4 to move valve plate connecting block 6, moves and is equipped with a plurality of gasket 15 between valve plate 5 and the valve plate connecting block 6, through the quantity and the thickness of adjusting gasket 15, can adjust the connecting rod and move the distance between the valve plate.
Example 3:
as shown in fig. 1 to 8, the present embodiment is different from embodiment 1 in that:
the movable valve plate 5 on one side of the fluid direction is elastically connected by a spring, a penetrating shaft is hinged on the movable valve plate 5 on one side of the fluid direction, the penetrating shaft penetrates through the connecting rod 4 and is sleeved with the spring, and two ends of the spring are respectively propped against the movable valve plate 5 and the connecting rod 4, so that the movable valve plate 5 on the fluid side is mainly sealed by the pressure of the fluid in a self-pressing manner, and the movable valve plate 5 on the other side is forcibly sealed by the driving shaft 2.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a double-valve-plate high seal butterfly valve which characterized in that: including valve body (1), quiet valve plate (8) of rigid coupling in valve body (1) and coupling drive shaft (2) in valve body (1), drive shaft (2) are along valve body (1) radial coupling in valve body (1) and drive shaft (2) are located one side of quiet valve plate (8), the rigid coupling has connecting rod (4) on drive shaft (2), and the both ends of connecting rod (4) all are equipped with and move valve plate (5), and two move valve plate (5) and are located quiet valve plate (8) both sides respectively, open valve opening (7) that have two and move valve plate (5) adaptation on quiet valve plate (8).
2. The double-valve-plate high-sealing butterfly valve according to claim 1, wherein: the static valve plate (8) is provided with a bending part (9) protruding towards one side far away from the driving shaft (2), and the driving shaft (2) is located in the bending part.
3. The double-valve-plate high-sealing butterfly valve according to claim 1, wherein: the valve body is characterized by further comprising two fastening insertion shafts (10) inserted into the valve body (1) from the side face of the valve body (1), and the end parts of the fastening insertion shafts (10) are matched with the end parts of the connecting rods (4).
4. The double-valve-plate high-sealing butterfly valve according to claim 3, wherein: the end part of the fastening insertion shaft (10) is conical, and the end part of the connecting rod (4) is provided with an inclined plane matched with the end part of the fastening insertion shaft (10).
5. The double-valve-plate high-sealing butterfly valve according to claim 3, wherein: the fastening inserted shaft (10) is in threaded connection with the valve body (1).
6. The double-valve-plate high-sealing butterfly valve according to claim 1, wherein: the static valve plate (8) is provided with a plurality of inflation holes (16), and the inflation holes (16) are communicated with the binding surface of the dynamic valve plate and the static valve plate (8).
7. The double-valve-plate high-sealing butterfly valve according to claim 1, wherein: the movable valve plate (5) is hinged with the connecting rod (4).
8. The double-valve-plate high-sealing butterfly valve according to claim 7, wherein: move valve plate (5) and pass through the bolt rigid coupling on moving valve plate connecting block (6), move valve plate connecting block (6) and articulated with connecting rod (4), move valve plate (5) and move and be equipped with a plurality of gasket (15) between valve plate connecting block (6).
9. The double-valve-plate high-sealing butterfly valve according to claim 7, wherein: move valve plate (5) rigid coupling on moving valve plate connecting block (6), be equipped with screw rod (13) on moving valve plate connecting block (6), coupling has connecting axle (12) on connecting rod (4), screw rod (13) radially pass connecting axle (12) along connecting axle (12), are equipped with nut (14) that are located connecting axle (12) both sides on screw rod (13).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173939.8A CN112664666A (en) | 2021-02-06 | 2021-02-06 | Double-valve-plate high-sealing butterfly valve and sealing method |
| CN202120356146 | 2021-02-06 | ||
| CN2021101739398 | 2021-02-06 | ||
| CN2021203561465 | 2021-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215568007U true CN215568007U (en) | 2022-01-18 |
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ID=76981294
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121014793.4U Active CN215568007U (en) | 2021-02-06 | 2021-05-13 | Double-valve-plate high-sealing butterfly valve |
| CN202110519957.7A Pending CN113187906A (en) | 2021-02-06 | 2021-05-13 | Double-valve-plate high-sealing butterfly valve and sealing method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110519957.7A Pending CN113187906A (en) | 2021-02-06 | 2021-05-13 | Double-valve-plate high-sealing butterfly valve and sealing method |
Country Status (1)
| Country | Link |
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| CN (2) | CN215568007U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3160040A1 (en) * | 2019-12-04 | 2021-06-10 | Timothy Howard NEEB | Rotary valve |
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2021
- 2021-05-13 CN CN202121014793.4U patent/CN215568007U/en active Active
- 2021-05-13 CN CN202110519957.7A patent/CN113187906A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN113187906A (en) | 2021-07-30 |
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