CN215763319U - Square airtight valve - Google Patents
Square airtight valve Download PDFInfo
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- CN215763319U CN215763319U CN202121368858.5U CN202121368858U CN215763319U CN 215763319 U CN215763319 U CN 215763319U CN 202121368858 U CN202121368858 U CN 202121368858U CN 215763319 U CN215763319 U CN 215763319U
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- sealing
- actuator
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Abstract
The utility model discloses a square sealed valve, which comprises a valve body with a square structure, wherein a horizontally arranged partition plate is closely attached to the inside of the valve body, a plurality of equally spaced valve ports are arranged in parallel along the axial direction of the partition plate, an upward convex sealing barrier strip is arranged on the inner peripheral wall of each valve port in a surrounding manner, a sealing gasket filled between the inner peripheral wall of the valve body and the outer peripheral wall of the sealing barrier strip is further covered on the partition plate, the top surface of the sealing gasket is 3-5 mm higher than the top surface of the sealing barrier strip, a pair of horizontally arranged and hinged valve rods are rotatably arranged below each valve port in the valve body, each pair of valve rods are jointly connected with a blade which is tightly pressed or separated from the corresponding sealing barrier strip and the sealing gasket under the transmission of the joint rotation of the valve rods, the blade is positioned above the sealing gasket, and an actuator for driving the valve rods to synchronously rotate is detachably arranged outside the valve body. The utility model solves the technical problem of how to effectively cut off gas while ensuring the normal opening of the blade.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a square sealing valve.
Background
The square sealing valve is a valve commonly used in industrial exhaust pipelines. The existing square airtight valve is sealed by wrapping sealing strips on two sides of each blade for overlapping, obviously, in order to ensure the normal opening and closing of the blades, the overlapping sealing strips cannot be squeezed tightly, and certain gaps exist, so that the airtightness is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is how to effectively cut off gas while ensuring the normal opening of the blade.
In order to solve the technical problem, the utility model provides a square sealed valve, which comprises a valve body with a square structure, wherein a horizontally arranged partition plate is closely attached to the interior of the valve body, a plurality of equally spaced valve ports are arranged side by side along the axial direction of the partition plate, an upward convex sealing barrier strip is arranged on the inner peripheral wall of each valve port in a surrounding manner, a sealing gasket filled between the inner peripheral wall of the valve body and the outer peripheral wall of the sealing barrier strip is further covered on the partition plate, the top surface of the sealing gasket is 3mm-5mm higher than the top surface of the sealing barrier strip, a pair of horizontally arranged valve rods which are hinged together are rotatably arranged below each valve port in the valve body, each pair of valve rods are jointly connected with a blade of the sealing barrier strip and the sealing gasket which are tightly pressed or separated from the corresponding valve rods under the transmission of the joint rotation of each pair of valve rods, the blade is located sealed the pad top, valve body outer detachably is equipped with the drive the executor of valve rod synchronous revolution.
In one embodiment of the utility model, two ends of the valve rod are both positioned outside the valve body, one end of the valve rod close to the actuator is connected through a crank arm connecting rod mechanism, and any one of the ends is in transmission connection with the actuator.
In one embodiment of the utility model, a shaft sleeve is welded on the extending part of the valve rod of the valve body, and bushings which are matched and connected with the shaft sleeves are sleeved at both ends of the valve rod.
In one embodiment of the present invention, an O-ring is disposed between each of the bushing and the corresponding valve stem.
In one embodiment of the present invention, the sealing gasket is composed of a plurality of sealing rings correspondingly surrounding the sealing barrier strip and sequentially abutting against each other.
In one embodiment of the utility model, the valve body and the actuator are threadedly connected.
In one embodiment of the present invention, the actuator is a worm and gear type manual actuator.
In one embodiment of the utility model, the valve body and the partition plate are integrally formed.
In one embodiment of the utility model, the valve port and the vane are rectangular.
In one embodiment of the utility model, the valve body is welded with matching flanges at both ends.
Compared with the prior art, the technical scheme of the utility model has the following advantages: through airtight subsides even level setting and along transversely seting up the division board of a plurality of equidistant valve ports side by side in the valve body, enclose at the internal perisporium of every valve port and be equipped with an upwards convex sealed blend stop, the division board coats and establishes the sealed pad of filling between the internal perisporium of valve body and the peripheral wall of sealed blend stop to through set up one in every valve port top and closely pressfitting downwards or upwards break away from corresponding sealed blend stop and the blade of sealed pad at the transmission of the joint rotation of a pair of articulated valve rod together, thereby make this formula sealed valve can guarantee the normal opening of blade and effectively cut off gas simultaneously, guaranteed the smooth and easy nature of opening, and improved convenience and the leakproofness of using.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of an explosive structure of the present invention;
the specification reference numbers indicate: 1. the valve comprises a valve body, 2, a partition plate, 3, a valve port, 4, a sealing barrier strip, 5, a sealing gasket, 6, a valve rod, 7, a blade, 8, an actuator, 9 and a crank arm connecting rod mechanism.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, a square sealed valve comprises a valve body 1 with a square structure, a division plate 2 horizontally arranged is closely attached in the valve body 1, a plurality of equally spaced valve ports 3 are arranged side by side along the axial direction on the division plate 2, an upward convex sealing barrier strip 4 is arranged on the inner circumferential wall of each valve port 3, a sealing gasket 5 filled between the inner circumferential wall of the valve body 1 and the outer circumferential wall of the sealing barrier strip 4 is covered on the division plate 2, the top surface of the sealing gasket 5 is 3mm-5mm higher than the top surface of the sealing barrier strip 4, a pair of valve rods 6 which are horizontally arranged and hinged together and can rotate together are rotatably arranged below each valve port 3 in the valve body 1, each pair of valve rods 6 are jointly connected with a blade 7 which is tightly pressed or separated from the corresponding sealing barrier strip 4 and the sealing gasket 5 under the transmission of the joint rotation, the blade 7 is positioned above the sealing gasket 5, in this embodiment, the valve body 1, which is rectangular in shape and has the vanes 7 and the valve ports 3, is detachably provided with an actuator 8 for driving the valve rod 6 to synchronously rotate, and the valve body 1 and the actuator 8 are in threaded connection. Through the structure, the valve rod 6 drives the blade 7 to be tightly pressed or separated with the sealing barrier strip 4 and the sealing gasket 5 under the transmission of the actuator 8, so that the technical effect of effectively isolating gas while ensuring the normal opening of the blade 7 is realized.
In a preferred embodiment of the present invention, the actuator 8 achieves the technical effect of driving the valve rod 6 to rotate synchronously through the following connecting structure: both ends of the valve rod 6 are located outside the valve body 1, one end of the valve rod 6 close to the actuator 8 is connected through a crank arm linkage mechanism 9, and any one of the ends is in transmission connection with the actuator 8, in this embodiment, the actuator 8 is a turbine worm type manual actuator 8.
In a preferred embodiment of the present invention, the valve body 1 is welded with a shaft sleeve at the extending position of the valve rod 6, the two ends of the valve rod 6 are sleeved with bushings in adaptive connection with the shaft sleeves, and an O-ring is arranged between each shaft sleeve and the corresponding valve rod 6, so that the friction between the valve rod 6 and the valve body 1 is reduced, the smooth operation of the valve rod 6 is ensured, and the external leakage of gas is effectively prevented.
In a preferred embodiment of the present invention, the sealing gasket 5 is composed of a plurality of sealing rings correspondingly arranged around the sealing barrier 4 and sequentially abutted against each other, so that the sealing gasket 5 can be partially replaced, thereby effectively reducing the use cost and improving the utilization rate of resources.
In a preferred embodiment of the present invention, the valve body 1 and the partition plate 2 are integrally formed, which improves the strength.
In a preferred embodiment of the present invention, the valve body 1 is welded with matching flanges at both ends, which improves the convenience of installation.
The working principle is as follows: the square sealed valve is firstly installed at a corresponding position through the valve body 1, when the valve needs to be opened, the screw rod of the actuator 8 is controlled to move forwards, the screw rod of the actuator 8 drives the valve rod 6 to rotate clockwise through the crank arm connecting rod mechanism 9 in the process, the valve rod 6 rotates clockwise to drive the moving blade 7 to be upwards separated from the sealing barrier strip 4 and the sealing gasket 5 to open the valve port 3, when the valve needs to be closed, the screw rod of the actuator 8 is controlled to reset, the screw rod of the actuator 8 drives the valve rod 6 to rotate anticlockwise through the crank arm connecting rod mechanism 9 in the resetting process, and the moving blade 7 is driven by the anticlockwise rotation of the valve rod 6 to be downwards tightly pressed on the sealing barrier strip 4 and the sealing gasket 5 to close the valve port 3.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.
Claims (10)
1. A square airtight valve is characterized by comprising a valve body with a square structure, wherein a horizontally arranged partition plate is hermetically attached to the interior of the valve body, a plurality of equally spaced valve ports are arranged in parallel along the axial direction of the partition plate, an upward convex sealing barrier strip is arranged on the inner peripheral wall of each valve port in a surrounding manner, a sealing gasket filled between the inner peripheral wall of the valve body and the outer peripheral wall of the sealing barrier strip is further covered on the partition plate, the top surface of the sealing gasket is 3-5 mm higher than the top surface of the sealing barrier strip, a pair of valve rods which are horizontally arranged and hinged together are rotatably arranged below each valve port in the valve body, each pair of valve rods are jointly connected with a blade which is tightly pressed or separated from the corresponding sealing barrier strip and the sealing gasket under the transmission of the joint rotation of the valve rods, and the blade is positioned above the sealing gasket, an actuator for driving the valve rod to synchronously rotate is detachably arranged outside the valve body.
2. The square containment valve of claim 1 wherein both ends of the valve stem are located outside the valve body, and one end of the valve stem near the actuator is connected through a crank arm linkage mechanism, and any one of the valve stem and the actuator is in transmission connection.
3. The square airtight valve of claim 2, wherein a shaft sleeve is welded to the extending part of the valve rod, and bushings which are connected with the shaft sleeves in an adaptive manner are sleeved at both ends of the valve rod.
4. The square containment valve of claim 3 wherein an O-ring is disposed between each of said bushing and said corresponding valve stem.
5. The square containment valve of claim 1 wherein said gasket comprises a plurality of corresponding sealing rings which are correspondingly wrapped around said sealing bars and which are sequentially abutted against each other.
6. The square containment valve of claim 1 wherein said valve body and said actuator are threadably connected.
7. The square containment valve of claim 1 wherein said actuator is a worm and gear type manual actuator.
8. The square containment valve of claim 1 wherein said valve body and said divider plate are integrally formed.
9. The square containment valve of claim 1 wherein the valve port and the vane are each rectangular.
10. The square containment valve of claim 1 wherein mating flanges are welded to both ends of said valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368858.5U CN215763319U (en) | 2021-06-18 | 2021-06-18 | Square airtight valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368858.5U CN215763319U (en) | 2021-06-18 | 2021-06-18 | Square airtight valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763319U true CN215763319U (en) | 2022-02-08 |
Family
ID=80101189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121368858.5U Active CN215763319U (en) | 2021-06-18 | 2021-06-18 | Square airtight valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738497A (en) * | 2022-02-21 | 2022-07-12 | 致和环境科技（江苏）有限公司 | Flow and direction regulating valve |
-
2021
- 2021-06-18 CN CN202121368858.5U patent/CN215763319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738497A (en) * | 2022-02-21 | 2022-07-12 | 致和环境科技（江苏）有限公司 | Flow and direction regulating valve |
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