CN203560466U - Pneumatic butterfly valve - Google Patents
Pneumatic butterfly valve Download PDFInfo
- Publication number
- CN203560466U CN203560466U CN201320714515.9U CN201320714515U CN203560466U CN 203560466 U CN203560466 U CN 203560466U CN 201320714515 U CN201320714515 U CN 201320714515U CN 203560466 U CN203560466 U CN 203560466U
- Authority
- CN
- China
- Prior art keywords
- valve
- cylinder
- valve body
- butterfly valve
- hinge bar
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a pneumatic butterfly valve which comprises a cylinder, a piston rod, a valve body, a valve plate in hinged connection with the valve body, a valve rod fixedly connected to the valve plate, a cylinder fixing block with one end fixedly connected to the valve body, as well as a transmission block with one end fixedly connected to the valve rod, wherein a rear hinge bar is arranged at the other end of the cylinder fixing block, a front hinge bar is arranged at the other end of the transmission block, an outward bulged part is arranged at the rear end of the cylinder and in hinged connection with the rear hinge bar, a ball-shaped bulge is arranged at the free end of the piston rod and in hinged connection with the front hinge bar, and the transmission block and the cylinder are perpendicular relative to the valve rod. According to the pneumatic butterfly valve, structures of the cylinder and a transmission part in an automatic butterfly valve mechanism can be simplified, points with proneness to faults in the automatic butterfly valve mechanism are reduced, and equipment cost can be saved under the condition that the same control aim is realized.
Description
Technical field
The utility model relates to fluid line valve field, particularly relates to a kind of Pneumatic butterfly valve device.
Background technique
Valve is the control gear of fluid circuit, and its fundamental function is the circulation that switches on or off pipeline medium, changes the circulation passage of medium, changes the flow direction of medium, regulates pressure and the flow of medium, the normal operation of the equipment of protection pipeline.Butterfly valve is as the one in valve, and the advantage such as little with its volume, switch is rapid, is applied in industrial production in a large number.
In prior art, cylinder is widely used the driving power source into butterfly valve, by being arranged on the piston that is generally two while move toward one another or moves dorsad in cylinder, and be fixedly connected with ratch on each piston, ratch engages with cylinder middle gear, gear is fixedly connected with valve rod, and the annexation of ratch and gear realizes the straight line motion of piston to the conversion of gear axial motion, and gear driven valve rod rotates to control the rotation of butterfly valve plate.This structure complex structure, the cylinder cost adopting is high, and the contact points rate of fault of gear and ratch is high, is unfavorable for the equipment investment cost of enterprise and reduces the equipment failure rate of enterprise.
Model utility content
For the existing cylinder of above-mentioned existence during as the driving power source of butterfly valve, the air cylinder structure existing and the annexation complexity of cylinder and butterfly valve, the equipment investment cost height of the enterprise causing and the high problem of equipment failure of enterprise, the utility model provides a kind of Pneumatic butterfly valve device.
For addressing the above problem, the Pneumatic butterfly valve device that the utility model provides solves problem by following technological points: Pneumatic butterfly valve device, comprise cylinder, piston rod, valve body, the valve plate being articulated and connected with valve body and be fixedly connected on the valve rod on valve plate, also comprise that one end is fixedly connected on the cylinder fixed block on valve body, one end is fixedly connected on the drive block on valve rod, the other end of described cylinder fixed block is provided with rear hinge bar, the other end of described drive block is provided with front hinge bar, the rear end of described cylinder is provided with male part, described male part and rear hinge bar are and are articulated and connected, the free end of described piston rod is provided with spherical protrusion, described spherical protrusion and front hinge bar are and are articulated and connected, and drive block is vertical for valve rod with cylinder homogeneous phase.
Concrete, by pass into pressurized air in cylinder, piston driving piston rod does fore and aft motion with respect to cylinder block, spherical protrusion is applied to power on front hinge bar forces drive block to rotate around the fixed connection point of itself and valve rod, valve rod rotates with same angular velocity with drive block, and meanwhile, cylinder rotates around the articulating point of itself and rear hinge bar, by above process, complete the control of cylinder to butterfly valve plate opening state.In above process, as the cylinder of power source, only need adopt single-cylinder dual-action cylinder can guarantee the flexible control to valve plate, like this, be conducive to simplify the structure of cylinder and transmission part in automatic butterfly valve mechanism, reduce in automatic butterfly valve mechanism easily to send out the number of fault point, be also beneficial to saving equipment cost reaching in identical control object situation.
Further technological scheme is:
Described cylinder fixed block becomes bolt to be connected with valve body.
Adopt the removably connect bolt of form of cylinder fixed block and valve body one-tenth to be connected, be convenient to the separation of the utility model each several part, be conducive to the replacing of parts in transportation of the present utility model and the utility model.
The sealing that the two ends of described valve body are provided with is in the form of a ring protruded.
The sealing arranging is protruded for fitted seal and is padded the inner and outside sealing of butterfly valve when installing and using of existing the utility model, at the groove arranging with on the supporting flange being connected of the utility model and sealing protrusion is fitted, be convenient to the utility model installation of sealing gasket when mounted.
On the end face that described sealing is protruded, be also provided with annular groove.
Arrange annular groove be intended to increase sealing protrude with sealing gasket between frictional force, and increase sealing protrude with sealing gasket between local pressure stress, be conducive to sealing reliability.
Also comprise two mounting plates that are parallel to each other, described mounting plate is positioned on the cross section of valve body, and mounting plate is all between two sealings are protruded, and is provided with at least two uniform bolt holes ringwise on mounting plate.
The bolt hole arranging is used for wearing bolt, the location while being convenient to the utility model installation on pipeline.
Centered by described mounting plate, establish round-meshed square plate, described valve body is positioned at circular hole, on four angles of mounting plate, is provided with a bolt hole.
This arranges simple in structure, the form that arranges that mounting plate can rotate with respect to valve body center line, be convenient to adjust according to the position of piping flange upper bolt hole the position of mounting plate, when the utility model is heavier or when mounting point is too narrow, facilitate being connected of the utility model and pipeline.
The utlity model has following beneficial effect:
The utility model is simple in structure, manufacturing is easy and cost is low, compared to the form that arranges of existing cylinder and valve rod, as the cylinder of power source, only need adopt single-cylinder dual-action cylinder can guarantee the flexible control to valve plate, like this, be conducive to simplify the structure of cylinder and transmission part in automatic butterfly valve mechanism, reduce easily to send out in automatic butterfly valve mechanism the number of fault point, be also beneficial to saving equipment cost reaching in identical control object situation.
Accompanying drawing explanation
Fig. 1 is the part-structure sectional view of a specific embodiment of Pneumatic butterfly valve device described in the utility model.
Figure acceptance of the bid note is respectively: 1, rear hinge bar, 2, cylinder, 3, piston rod, 4, spherical protrusion, 5, front hinge bar, 6, drive block, 7, valve rod, 8, valve body, 9, sealing protrudes, 10, valve plate, 11, cylinder fixed block, 12, mounting plate.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples:
Embodiment 1:
As shown in Figure 1: Pneumatic butterfly valve device, comprise cylinder 2, piston rod 3, valve body 8, the valve plate 10 being articulated and connected with valve body 8 and be fixedly connected on the valve rod 7 on valve plate 10, also comprise that one end is fixedly connected on the cylinder fixed block 11 on valve body 8, one end is fixedly connected on the drive block 6 on valve rod 7, the other end of described cylinder fixed block 11 is provided with rear hinge bar 1, the other end of described drive block 6 is provided with front hinge bar 5, the rear end of described cylinder 2 is provided with male part, described male part and rear hinge bar 1 are and are articulated and connected, the free end of described piston rod 3 is provided with spherical protrusion 4, described spherical protrusion 4 is and is articulated and connected with front hinge bar 5, and drive block 6 is all vertical with respect to valve rod 7 with cylinder 2.
Concrete, by pass into pressurized air in cylinder 2, piston driving piston rod 3 does fore and aft motion with respect to cylinder block, spherical protrusion 4 is applied to power on front hinge bar 5 forces drive block 6 to rotate around the fixed connection point of itself and valve rod 7, valve rod 7 rotates with same angular velocity with drive block 6, and meanwhile, cylinder 2 is articulating point rotation with rear hinge bar 1 around it, by above process, complete the control of cylinder 2 to butterfly valve plate 10 opening states.In above process, as the cylinder 2 of power source, adopt single-cylinder dual-action cylinder can guarantee the flexible control to valve plate 10, like this, be conducive to simplify the structure of cylinder 2 and transmission part in automatic butterfly valve mechanism, reduce in automatic butterfly valve mechanism easily to send out the number of fault point, be also beneficial to saving equipment cost reaching in identical control object situation.
Embodiment 2:
The present embodiment is further qualified on embodiment 1 basis, as shown in Figure 1: the sealing that the two ends of described valve body 8 are provided with in the form of a ring protrudes 9.
On the end face of described sealing protrusion 9, be also provided with annular groove.
The sealing arranging is protruded 9 and is padded the inner and outside sealing of butterfly valve when installing and using of existing the utility model for fitted seal, at the grooves that arrange with on the supporting flange being connected of the utility model and sealing protrusion 9 is fitted, be convenient to the utility model installation of sealing gasket when mounted.
The annular groove arranging is intended to the frictional force between increase sealing protrusion 9 and sealing gasket, and increases the local pressure stress between sealing protrusion 9 and sealing gasket, is conducive to the reliability of sealing.
Embodiment 3:
The present embodiment is further qualified on embodiment 2 basis, as shown in Figure 1: also comprise two mounting plates that are parallel to each other 12, described mounting plate 12 is positioned on the cross section of valve body 8, and mounting plate 12 all protrudes between 9 two sealings, on mounting plate 12, be provided with at least two uniform bolt holes ringwise.
Centered by described mounting plate 12, establish round-meshed square plate, described valve body 8 is positioned at circular hole, on four angles of mounting plate 12, is provided with a bolt hole.
The bolt hole arranging is used for wearing bolt, the location while being convenient to the utility model installation on pipeline.
The form that arranges that mounting plate 12 can rotate with respect to valve body 8 center lines, be convenient to adjust according to the position of piping flange upper bolt hole the position of mounting plate 12, when the utility model is heavier or when mounting point is too narrow, facilitate being connected of the utility model and pipeline.
Claims (6)
1. Pneumatic butterfly valve device, comprise cylinder (2), piston rod (3), valve body (8), the valve plate (10) being articulated and connected with valve body (8) and be fixedly connected on the valve rod (7) on valve plate (10), it is characterized in that, also comprise that one end is fixedly connected on the cylinder fixed block (11) on valve body (8), one end is fixedly connected on the drive block (6) on valve rod (7), the other end of described cylinder fixed block (11) is provided with rear hinge bar (1), the other end of described drive block (6) is provided with front hinge bar (5), the rear end of described cylinder (2) is provided with male part, described male part and rear hinge bar (1) are and are articulated and connected, the free end of described piston rod (3) is provided with spherical protrusion (4), described spherical protrusion (4) is and is articulated and connected with front hinge bar (5), and drive block (6) is all vertical with respect to valve rod (7) with cylinder (2).
2. Pneumatic butterfly valve device according to claim 1, is characterized in that, described cylinder fixed block (11) becomes bolt to be connected with valve body (8).
3. Pneumatic butterfly valve device according to claim 1, is characterized in that, (9) are protruded in the sealing that the two ends of described valve body (8) are provided with in the form of a ring.
4. Pneumatic butterfly valve device according to claim 3, is characterized in that, on the end face of described sealing protrusion (9), is also provided with annular groove.
5. according to the Pneumatic butterfly valve device described in claim 3 or 4, it is characterized in that, also comprise two mounting plates that are parallel to each other (12), described mounting plate (12) is positioned on the cross section of valve body (8), and mounting plate (12) is all positioned at two sealings and protrudes between (9), on mounting plate (12), be provided with at least two uniform bolt holes ringwise.
6. Pneumatic butterfly valve device according to claim 5, is characterized in that, described mounting plate is established round-meshed square plate centered by (12), and described valve body (8) is positioned at circular hole, on four angles of mounting plate (12), is provided with a bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714515.9U CN203560466U (en) | 2013-11-14 | 2013-11-14 | Pneumatic butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714515.9U CN203560466U (en) | 2013-11-14 | 2013-11-14 | Pneumatic butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560466U true CN203560466U (en) | 2014-04-23 |
Family
ID=50510187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320714515.9U Expired - Fee Related CN203560466U (en) | 2013-11-14 | 2013-11-14 | Pneumatic butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633141A (en) * | 2013-11-14 | 2015-05-20 | 成都振中电气有限公司 | Pneumatic butterfly valve |
-
2013
- 2013-11-14 CN CN201320714515.9U patent/CN203560466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633141A (en) * | 2013-11-14 | 2015-05-20 | 成都振中电气有限公司 | Pneumatic butterfly valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104913080A (en) | Non-wear boosting ball valve | |
| CN101725725B (en) | Gate valve | |
| CN105422900A (en) | Ball valve with non-contact valve ball and valve seats during rotation | |
| CN104633141A (en) | Pneumatic butterfly valve | |
| CN203560466U (en) | Pneumatic butterfly valve | |
| CN205298625U (en) | Valve ball disk seat rotates contactless ball valve | |
| CN204878818U (en) | Telescopic sphere rotates case and does not have wearing and tearing pressure boost ball valve | |
| CN204878837U (en) | Turbocharging system of pressure boost ball valve and do not have wearing and tearing pressure boost ball valve | |
| CN201621318U (en) | Ultra-short full bore ball valve | |
| CN204878838U (en) | There is not wearing and tearing pressure boost ball valve | |
| CN204420200U (en) | Cylinder-rotating three-way diverter valve | |
| CN207437260U (en) | A kind of modified hydraulic turbine, water pump blade angle hydraulic isochronous controller | |
| CN2921530Y (en) | Long-drum hydraulic hole-plugging device | |
| CN203384488U (en) | Connecting support of pneumatic butterfly valve | |
| CN202545983U (en) | Hydroelectric ball valve seal ring position feedback system | |
| CN209725276U (en) | It is a kind of can on-line maintenance the upper efficient ball valve of dress formula | |
| CN209196265U (en) | A kind of digital remote monitoring hand stop valve | |
| CN101956832A (en) | Material angle valve with flexible connection valve core | |
| CN212745272U (en) | Diaphragm valve assembly and steam turbine system | |
| CN208457252U (en) | A kind of sealing structure of ball valve | |
| CN215806478U (en) | Hydraulic control reversing valve with automatic adjusting function | |
| CN219263239U (en) | All-metal hard-seal ball valve with five eccentric structures | |
| CN215172257U (en) | High leakproofness components of a whole that can function independently forges stop valve convenient to dismantle | |
| CN215334594U (en) | Electric upper-mounted ball valve | |
| CN203162306U (en) | Novel air-operated flat gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |