CN219623267U - Improved flap valve - Google Patents
Improved flap valve Download PDFInfo
- Publication number
- CN219623267U CN219623267U CN202321004880.0U CN202321004880U CN219623267U CN 219623267 U CN219623267 U CN 219623267U CN 202321004880 U CN202321004880 U CN 202321004880U CN 219623267 U CN219623267 U CN 219623267U
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- transmission shaft
- shaft
- connecting rod
- sleeve
- outer frame
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Abstract
The utility model provides an improved flap valve, includes an frame, the frame in fixed be provided with wear the arbor board, fixed wear to be equipped with first wear the arbor pipe and wear the arbor pipe with the second on the frame, wear to be equipped with the transmission shaft in the arbor board, be provided with a blade in the frame, the transmission shaft passes through link mechanism and is connected with the blade, is provided with a spacing tang in the frame, is provided with an annular seal groove in the side of spacing tang, is provided with a sealing washer in the annular seal groove. The transmission shaft drives the blades to rotate and translate through the connecting rod mechanism, so that the blades are tightly attached to the sealing rings on the limiting rabbets, thereby realizing better sealing effect, reducing leakage and meeting the sealing requirement. In addition, the graphite packing sealing sleeve is arranged at the position of the output shaft, namely between the transmission shaft and the fixed sleeve, so that the transmission shaft and the graphite packing sealing sleeve can flexibly rotate, the valve can be flexibly opened and closed, and the blocking phenomenon can be reduced.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a valve, and particularly relates to an improved flap valve.
Background
The waste gas and waste water of the factory can be discharged after being treated. Adopt the flap valve to carry out air regulation in the waste gas waste water treatment facility, flap valve among the prior art includes valve body, transmission shaft and turns over the board, and the transmission shaft is connected with turning over the board, makes the valve open or close through the rotatory action of turning over the board, and current flap valve has following problem: 1. the sealing performance between the turning plate and the valve body is insufficient, and the sealing requirement can not be met in some environments with zero leakage requirement, such as environment-friendly waste gas treatment equipment. 2. The tightness of the shaft outlet of the transmission shaft is insufficient, and the transmission shaft is not flexible to rotate, so that the valve is not flexible to open and close and is easy to be blocked.
Disclosure of Invention
The utility model aims to provide an improved flap valve, which aims to solve the technical problems that in the prior art, the sealing performance between a flap plate and a valve body of the flap valve is insufficient and a transmission shaft is not flexible to rotate.
The utility model relates to an improved flap valve, which comprises an outer frame, wherein a shaft penetrating plate is fixedly arranged in the outer frame, a first shaft penetrating pipe and a second shaft penetrating pipe are fixedly arranged on the outer frame in a penetrating way, the first shaft penetrating pipe and the second shaft penetrating pipe are arranged on two sides of the shaft penetrating plate, a transmission shaft is arranged in the shaft penetrating plate in a penetrating way, the transmission shaft and the shaft penetrating plate form a revolute pair in the circumferential direction, a first end of the transmission shaft penetrates through the first shaft penetrating pipe, a second end of the transmission shaft extends into the second shaft penetrating pipe, a fixing sleeve is sleeved on the outer side of the outer frame, a graphite packing sealing sleeve is arranged between the transmission shaft and the fixing sleeve, a shaft sleeve is arranged between one side of the graphite packing sealing sleeve and the first shaft penetrating pipe, a pressing sleeve is arranged between the shaft sleeve and the fixing sleeve, one end of the fixing sleeve is provided with a driving base, a power output end of the driving device is connected with the first end of the transmission shaft,
the outer frame in be provided with a blade, the transmission shaft is connected with the blade through link mechanism, be provided with a spacing tang in the outer frame, be provided with an annular seal groove in the side of spacing tang, be provided with a sealing washer in the annular seal groove, blade and sealing washer cooperation constitute seal structure, link mechanism includes first connecting rod, second connecting rod and third connecting rod, the first end and the blade fixed connection of first connecting rod, the middle part and the first end of second connecting rod of first connecting rod are articulated, the second end and the transmission shaft fixed connection of second connecting rod, the first end and the second end of first connecting rod of third connecting rod are articulated, the second end and the one end of wearing the arbor plate of third connecting rod are articulated.
Further, the driving device is a rotary cylinder.
Furthermore, both sides of the outer frame are respectively provided with a mounting flange.
Compared with the prior art, the utility model has positive and obvious effects. The transmission shaft drives the blades to rotate and translate through the connecting rod mechanism, so that the blades are tightly attached to the sealing rings on the limiting rabbets, thereby realizing better sealing effect, reducing leakage and meeting the sealing requirement. In addition, the graphite packing sleeve is arranged at the position of the output shaft, namely between the transmission shaft and the fixed sleeve, and the graphite packing has the advantages of corrosion resistance, high tensile strength, good flexibility, strong wear resistance, soft texture, easiness in cutting and the like, has good sealing performance, and enables the transmission shaft and the graphite packing sleeve to flexibly rotate, so that the valve is flexible to open and close, and the blocking phenomenon is reduced.
Drawings
FIG. 1 is a schematic front perspective view of an improved flap valve of the present utility model.
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1.
FIG. 3 is a schematic top view of an improved flap valve of the present utility model.
Fig. 4 is an enlarged schematic view of part B of fig. 3.
Detailed Description
The present utility model is further described below with reference to the drawings and examples, but the present utility model is not limited to the examples, and all the similar structures and similar variations using the present utility model should be included in the protection scope of the present utility model. The use of the directions of up, down, front, back, left, right, etc. in the present utility model is only for convenience of description, and is not a limitation of the technical scheme of the present utility model.
As shown in fig. 1-4, an improved flap valve of the present utility model comprises an outer frame 1, a shaft penetrating plate 2 is fixedly arranged in the outer frame 1, a first shaft penetrating pipe 3 and a second shaft penetrating pipe 4 are fixedly arranged on the outer frame 1 in a penetrating way, the first shaft penetrating pipe 3 and the second shaft penetrating pipe 4 are arranged at two sides of the shaft penetrating plate 2, a transmission shaft 5 is arranged in the shaft penetrating plate 2 in a penetrating way, the transmission shaft 5 and the shaft penetrating plate 2 form a revolute pair in the circumferential direction, a first end of the transmission shaft 5 passes through the first shaft penetrating pipe 3, a second end of the transmission shaft 5 extends into the second shaft penetrating pipe 4, a fixed sleeve 6 is sleeved on the first shaft penetrating pipe 3 at the outer side of the outer frame 1, a graphite packing seal sleeve 7 is arranged between the transmission shaft 5 and the fixed sleeve 6, a shaft sleeve 8 is arranged between one side of the graphite packing seal sleeve 7 and the first shaft penetrating pipe, a compression sleeve 9 is arranged at the other side of the graphite packing seal sleeve 7, both the sleeve 8 and the compression sleeve 9 are arranged between the transmission shaft 5 and the fixed sleeve 6, a driving base 10 is arranged at one end of the fixed sleeve 6, a driving device 10 is arranged at one end of the driving base 10, a driving device is arranged at one end of the fixed base 10, a driving device is connected with a driving device 11 at one end of the driving device 11,
the novel shaft penetrating plate is characterized in that a blade 12 is arranged in the outer frame 1, the transmission shaft 5 is connected with the blade 12 through a connecting rod mechanism, a limiting spigot 13 is arranged in the outer frame 1, an annular sealing groove 14 is arranged in the side face of the limiting spigot 13, a sealing ring 15 is arranged in the annular sealing groove 14, the blade 12 and the sealing ring 15 are matched to form a sealing structure, the connecting rod mechanism comprises a first connecting rod 16, a second connecting rod 17 and a third connecting rod 18, the first end of the first connecting rod 16 is fixedly connected with the blade 12, the middle of the first connecting rod 16 is hinged with the first end of the second connecting rod 17, the second end of the second connecting rod 17 is fixedly connected with the transmission shaft 5, the first end of the third connecting rod 18 is hinged with the second end of the first connecting rod 16, and the second end of the third connecting rod 18 is hinged with one end of the shaft penetrating plate 2.
Further, the driving device 11 is a revolving cylinder.
Further, the two sides of the outer frame 1 are respectively provided with a mounting flange 19.
Specifically, the outer frame 1, the graphite packing gland 7, the driving device 11, the vane 12, the sealing ring 15, the revolving cylinder, the mounting flange 19 and the like in this embodiment all adopt the known schemes in the prior art, and those skilled in the art will understand the schemes and will not be described in detail herein.
The working principle of the embodiment is as follows: under the open state of the blades 12, the driving device 11 drives the transmission shaft 5 to rotate, and the transmission shaft 5 drives the blades 12 to rotate and translate again through the connecting rod mechanism, so that the blades 12 are tightly attached to the sealing rings 15 on the limiting spigot 13, thereby realizing better sealing effect, reducing leakage and meeting the sealing requirement. In addition, the graphite packing sleeve gasket 7 is arranged at the position of the output shaft, namely between the transmission shaft 5 and the fixed sleeve 6, and the graphite packing has the advantages of corrosion resistance, high tensile strength, good flexibility, strong wear resistance, soft texture, easiness in cutting and the like, and has good sealing performance, so that the transmission shaft 5 and the graphite packing sleeve gasket 7 can flexibly rotate, the valve can be flexibly opened and closed, and the blocking phenomenon can be reduced. The utility model meets the requirement of zero leakage from inside to outside, is suitable for environment-friendly waste gas treatment, and is used for regulating the gas flow in pipeline systems such as air volume regulation, environmental protection and the like in the industries such as chemical industry, power plant, metallurgy, automobile and the like, and the working condition of below 250 ℃ is met. The valve can be installed at any position, and can also meet the requirements of field operation and remote centralized control, and is an ideal valve for modern fluid regulation control.
Claims (3)
1. An improved flap valve comprising an outer frame, characterized in that: the outer frame is fixedly provided with a shaft penetrating plate, a first shaft penetrating pipe and a second shaft penetrating pipe are fixedly arranged on the outer frame in a penetrating way, the first shaft penetrating pipe and the second shaft penetrating pipe are arranged on two sides of the shaft penetrating plate, a transmission shaft is arranged in the shaft penetrating plate in a penetrating way, the transmission shaft and the shaft penetrating plate form a revolute pair in the circumferential direction, the first end of the transmission shaft penetrates through the first shaft penetrating pipe, the second end of the transmission shaft extends into the second shaft penetrating pipe, a fixed sleeve is sleeved on the first shaft penetrating pipe on the outer side of the outer frame, a graphite packing sealing sleeve is arranged between the transmission shaft and the fixed sleeve, a shaft sleeve is arranged between one side of the graphite packing sealing sleeve and the first shaft penetrating pipe, a compression sleeve is arranged on the other side of the graphite packing sealing sleeve, the shaft sleeve and the compression sleeve are arranged between the transmission shaft and the fixed sleeve, one end of the fixed sleeve is provided with a driving base, the driving device is arranged on the driving base,
the power output end of the driving device is connected with the first end of the transmission shaft,
the outer frame in be provided with a blade, the transmission shaft is connected with the blade through link mechanism, be provided with a spacing tang in the outer frame, be provided with an annular seal groove in the side of spacing tang, be provided with a sealing washer in the annular seal groove, blade and sealing washer cooperation constitute seal structure, link mechanism includes first connecting rod, second connecting rod and third connecting rod, the first end and the blade fixed connection of first connecting rod, the middle part and the first end of second connecting rod of first connecting rod are articulated, the second end and the transmission shaft fixed connection of second connecting rod, the first end and the second end of first connecting rod of third connecting rod are articulated, the second end and the one end of wearing the arbor plate of third connecting rod are articulated.
2. An improved flap valve according to claim 1 wherein: the driving device is a rotary cylinder.
3. An improved flap valve according to claim 1 wherein: and mounting flanges are respectively arranged on two sides of the outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004880.0U CN219623267U (en) | 2023-04-28 | 2023-04-28 | Improved flap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004880.0U CN219623267U (en) | 2023-04-28 | 2023-04-28 | Improved flap valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219623267U true CN219623267U (en) | 2023-09-01 |
Family
ID=87794608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321004880.0U Active CN219623267U (en) | 2023-04-28 | 2023-04-28 | Improved flap valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219623267U (en) |
-
2023
- 2023-04-28 CN CN202321004880.0U patent/CN219623267U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |