CN214743406U - High-sealing butterfly air valve - Google Patents
High-sealing butterfly air valve Download PDFInfo
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- CN214743406U CN214743406U CN202120774631.4U CN202120774631U CN214743406U CN 214743406 U CN214743406 U CN 214743406U CN 202120774631 U CN202120774631 U CN 202120774631U CN 214743406 U CN214743406 U CN 214743406U
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Abstract
The utility model discloses a high sealed butterfly-type air valve, including the valve case, the valve case is the cylinder sleeve body, and its left end articulates through the bearing has a left shaft part, and the right-hand member articulates through the bearing has a right shaft part, and the right-hand member of right shaft part stretches out the right side lateral wall of valve case, is fixed with the mount pad on the right side lateral wall of valve case, and electric actuator fixes on the mount pad, and the output shaft of motor actuator stretches out the mount pad and is connected with the right-hand member of right shaft part through the shaft coupling; the left shaft part and the right shaft part are fixed on the valve plate, the valve plate is a circular plate and covers a ventilation hole in the middle of the valve shell, and a rear arc-shaped gap is formed between the valve plate at the rear part of the left shaft part and the right shaft part and the inner side wall of the valve shell; when the valve plate is closed, the front arc-shaped plate and the rear arc-shaped plate are pressed against the edge of the valve plate and cover the rear arc-shaped gap and the front arc-shaped gap, so that the sealing effect is greatly improved, the air leakage is reduced, and the energy consumption of the system is reduced.
Description
The technical field is as follows:
the utility model relates to an environmental protection equipment field, more specifically say and relate to a high sealed butterfly blast gate.
Background art:
the air valves used at present are: louvered electric air valve or butterfly air valve. The rotation of valve plate in the casing is guaranteed owing to need to current butterfly blast gate, has the clearance in the middle of the limit portion of its valve plate and the inside wall of valve casing for its sealed effect is relatively poor, consequently, when using in some production systems, it can't realize higher sealed effect, can make the hourglass wind too big, thereby increases the energy consumption of system.
The utility model has the following contents:
the utility model aims at overcoming prior art's not enough, provide a high sealed butterfly damper, when it can guarantee that the valve plate closes, preceding arc plate and back arc plate press on the limit portion of valve plate and cover back arc clearance and preceding arc clearance, improve sealed effect greatly to reduce the volume of leaking wind, reduce system's energy consumption.
The utility model provides a technical problem's scheme is:
a high-sealing butterfly air valve comprises a valve shell, wherein the valve shell is a cylindrical sleeve body, the left end of the valve shell is hinged with a left shaft part through a bearing, the right end of the valve shell is hinged with a right shaft part through a bearing, the right end of the right shaft part extends out of the right outer side wall of the valve shell, a mounting seat is fixed on the right outer side wall of the valve shell, an electric actuating mechanism is fixed on the mounting seat, and an output shaft of the electric actuating mechanism extends out of the mounting seat and is connected with the right end of the right shaft part through a coupler;
the left shaft part and the right shaft part are fixed on the valve plate, the valve plate is a circular plate and covers a ventilation hole in the middle of the valve shell, a rear arc-shaped gap is formed between the valve plate at the rear part of the left shaft part and the right shaft part and the inner side wall of the valve shell, and a front arc-shaped gap is formed between the valve plate at the front part of the left shaft part and the right shaft part and the inner side wall of the valve shell;
the rear arc-shaped plates are fixed on the inner side walls of the valve housings at the rear sides of the left shaft part and the right shaft part, the front arc-shaped plates are fixed on the inner side walls of the valve housings at the front sides of the left shaft part and the right shaft part, a plurality of buffering parts are fixed on the bottom surfaces of the rear arc-shaped plates and the top surfaces of the front arc-shaped plates, the rear arc-shaped sealing plates are positioned right below the rear arc-shaped plates and fixed on the bottom surfaces of all the buffering parts below the rear arc-shaped plates, and the front arc-shaped sealing plates are positioned right above the front arc-shaped plates and fixed on the top surfaces of all the buffering parts above the front arc-shaped plates;
the rear arc-shaped sealing plate is pressed against the top surface of the edge part of the valve plate at the rear part of the left shaft part and the right shaft part and covers the rear arc-shaped gap, and the front arc-shaped sealing plate is pressed against the top surface of the edge part of the valve plate at the front part of the left shaft part and the right shaft part and covers the front arc-shaped gap.
The buffer component is a buffer spring.
The equal shaping in left side middle part and the right side middle part of valve plate has the mounting groove, and left axle part and right axle part plug bush are in the mounting groove that corresponds, and the lateral wall welded fastening of left axle part and right axle part is on the inside wall of the mounting groove that corresponds, and left axle part and right axle part cover the mounting groove that corresponds.
And high-temperature sealing gaskets are fixed on the bottom surface of the rear arc-shaped sealing plate and the top surface of the front arc-shaped sealing plate.
A plurality of reinforcing rib plates extending back and forth are fixed on the bottom surface of the valve plate, and a plurality of middle connecting rib plates are fixed between every two adjacent reinforcing rib plates.
The valve shell is characterized in that the outer side walls of the upper portion and the lower portion of the valve shell are respectively provided with a radial extending edge, and a plurality of connecting through holes are formed in the radial extending edges.
The utility model discloses an outstanding effect is:
when the valve plate is closed, the front arc-shaped plate and the rear arc-shaped plate are pressed against the edge of the valve plate and cover the rear arc-shaped gap and the front arc-shaped gap, so that the sealing effect is greatly improved, the air leakage is reduced, and the energy consumption of the system is reduced.
Description of the drawings:
fig. 1 is a partial structural schematic diagram of the present invention;
FIG. 2 is a partial top view of the present invention at a valve housing;
FIG. 3 is a partial bottom view of the valve housing of the present invention;
FIG. 4 is a partial cross-sectional view at the valve housing;
FIG. 5 is an alternate angle partial cross-sectional view of the valve housing.
The specific implementation mode is as follows:
in an embodiment, as shown in fig. 1 to 5, a high-sealing butterfly damper comprises a valve housing 10, wherein the valve housing 10 is a cylindrical sleeve body, the left end of the valve housing 10 is hinged to a left shaft part 11 through a bearing, the right end of the valve housing is hinged to a right shaft part 12 through a bearing, the right end of the right shaft part 12 extends out of the right outer side wall of the valve housing 10, a mounting seat 13 is fixed on the right outer side wall of the valve housing 10, an electric actuator 14 is fixed on the mounting seat 13, and an output shaft of the motor actuator 14 extends out of the mounting seat 13 and is connected with the right end of the right shaft part 12 through a coupling;
the left shaft part 11 and the right shaft part 12 are fixed on the valve plate 20, the valve plate 20 is a circular plate and covers a middle ventilation hole of the valve shell 10, a rear arc-shaped gap 1 is formed between the valve plate 20 at the rear part of the left shaft part 11 and the right shaft part 12 and the inner side wall of the valve shell 10, and a front arc-shaped gap 2 is formed between the valve plate 20 at the front part of the left shaft part 11 and the right shaft part 12 and the inner side wall of the valve shell 10;
a rear arc plate 3 is fixed on the inner side wall of the valve housing 10 at the rear side of the left shaft part 11 and the right shaft part 12, a front arc plate 4 is fixed on the inner side wall of the valve housing 10 at the front side of the left shaft part 11 and the right shaft part 12, a plurality of buffer parts 5 are fixed on the bottom surface of the rear arc plate 3 and the top surface of the front arc plate 4, a rear arc seal plate 6 is positioned under the rear arc plate 3 and fixed on the bottom surfaces of all the buffer parts 5 under the rear arc plate 3, and a front arc seal plate 7 is positioned over the front arc plate 4 and fixed on the top surfaces of all the buffer parts 5 above the front arc plate 4;
the rear arc seal plate 6 is pressed against the top surface of the valve plate 20 at the rear of the left and right shaft portions 11 and 12 and covers the rear arc gap 1, and the front arc seal plate 7 is pressed against the top surface of the valve plate 20 at the front of the left and right shaft portions 11 and 12 and covers the front arc gap 2.
Further, the buffer member 5 is a buffer spring.
Further, the left side middle part and the right side middle part of valve plate 20 all form and have the mounting groove, and left axle part 11 and right axle part 12 plug bush are in the mounting groove that corresponds, and the lateral wall welded fastening of left axle part 11 and right axle part 12 is on the inside wall of the mounting groove that corresponds, and left axle part 11 and right axle part 12 cover the mounting groove that corresponds.
Further, high temperature gaskets 8 are fixed to the bottom surface of the rear arc sealing plate 6 and the top surface of the front arc sealing plate 7, and the high temperature gaskets 8 are pressed against the top surfaces of the corresponding sides of the valve plate 20 or the bottom surfaces of the corresponding sides of the valve plate 20.
Further, a plurality of reinforcing rib plates 21 extending back and forth are fixed on the bottom surface of the valve plate 20, and a plurality of intermediate connecting rib plates 22 are fixed between two adjacent reinforcing rib plates 21.
Further, the valve housing 10 has radially extending edges 15 formed on the outer side walls of the upper and lower portions thereof, and a plurality of connecting through holes 16 are formed on the radially extending edges 15.
When the air valve is used, the air valve can be rotated by the aid of the motor actuator 14, the air valve can be opened and closed, when the air valve is closed, the air valve can be pressed against the top surfaces of the edges of the valve plate 20 at the rear parts of the left shaft part 11 and the right shaft part 12 through the rear arc-shaped sealing plate 6 to cover the rear arc-shaped gap 1, the front arc-shaped sealing plate 7 is pressed against the top surfaces of the edges of the valve plate 20 at the front parts of the left shaft part 11 and the right shaft part 12 to cover the front arc-shaped gap 2, accordingly, sealing effect during closing is improved, due to the buffer component 5, after equipment operation time is guaranteed, when the valve plate 20 cannot rotate to the position for a long time, due to the elastic effect of the buffer component 5, the front arc-shaped sealing plate 7 and the rear arc-shaped sealing plate 6 can be guaranteed to be pressed against the valve plate 20 all the time, and sealing effect during closing is guaranteed.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (6)
1. A high sealed butterfly damper, includes valve casing (10), its characterized in that: the valve shell (10) is a cylindrical sleeve body, the left end of the valve shell is hinged with a left shaft part (11) through a bearing, the right end of the valve shell is hinged with a right shaft part (12) through a bearing, the right end of the right shaft part (12) extends out of the right outer side wall of the valve shell (10), a mounting seat (13) is fixed on the right outer side wall of the valve shell (10), an electric actuating mechanism (14) is fixed on the mounting seat (13), and an output shaft of the electric actuating mechanism (14) extends out of the mounting seat (13) and is connected with the right end of the right shaft part (12) through a coupler;
the left shaft part (11) and the right shaft part (12) are fixed on the valve plate (20), the valve plate (20) is a circular plate and covers a middle vent hole of the valve shell (10), a rear arc-shaped gap (1) is formed between the valve plate (20) at the rear part of the left shaft part (11) and the right shaft part (12) and the inner side wall of the valve shell (10), and a front arc-shaped gap (2) is formed between the valve plate (20) at the front part of the left shaft part (11) and the right shaft part (12) and the inner side wall of the valve shell (10);
the damping valve is characterized in that a rear arc-shaped plate (3) is fixed on the inner side walls of a valve housing (10) at the rear side of the left shaft part (11) and the right shaft part (12), a front arc-shaped plate (4) is fixed on the inner side walls of the valve housing (10) at the front side of the left shaft part (11) and the right shaft part (12), a plurality of damping parts (5) are fixed on the bottom surface of the rear arc-shaped plate (3) and the top surface of the front arc-shaped plate (4), a rear arc-shaped sealing plate (6) is positioned right below the rear arc-shaped plate (3) and fixed on the bottom surfaces of all the damping parts (5) below the rear arc-shaped plate (3), and a front arc-shaped sealing plate (7) is positioned right above the front arc-shaped plate (4) and fixed on the top surfaces of all the damping parts (5) above the front arc-shaped plate (4);
the rear arc-shaped sealing plate (6) is pressed against the top surface of the edge part of the valve plate (20) at the rear part of the left shaft part (11) and the right shaft part (12) and covers the rear arc-shaped gap (1), and the front arc-shaped sealing plate (7) is pressed against the top surface of the edge part of the valve plate (20) at the front part of the left shaft part (11) and the right shaft part (12) and covers the front arc-shaped gap (2).
2. The high seal butterfly damper of claim 1, wherein: the buffer component (5) is a buffer spring.
3. The high seal butterfly damper of claim 1, wherein: the equal shaping in left side middle part and the right side middle part of valve plate (20) has the mounting groove, and left axle part (11) and right axle part (12) plug bush are in the mounting groove that corresponds, and the lateral wall welded fastening of left axle part (11) and right axle part (12) is on the inside wall of the mounting groove that corresponds, and left axle part (11) and right axle part (12) cover the mounting groove that corresponds.
4. The high seal butterfly damper of claim 1, wherein: and high-temperature sealing gaskets (8) are fixed on the bottom surface of the rear arc sealing plate (6) and the top surface of the front arc sealing plate (7).
5. The high seal butterfly damper of claim 1, wherein: a plurality of reinforcing rib plates (21) extending forwards and backwards are fixed on the bottom surface of the valve plate (20), and a plurality of middle connecting rib plates (22) are fixed between every two adjacent reinforcing rib plates (21).
6. The high seal butterfly damper of claim 1, wherein: the valve shell (10) is characterized in that the outer side walls of the upper part and the lower part of the valve shell are respectively provided with a radial extending edge (15), and a plurality of connecting through holes (16) are formed in the radial extending edges (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120774631.4U CN214743406U (en) | 2021-04-16 | 2021-04-16 | High-sealing butterfly air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120774631.4U CN214743406U (en) | 2021-04-16 | 2021-04-16 | High-sealing butterfly air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743406U true CN214743406U (en) | 2021-11-16 |
Family
ID=78603365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120774631.4U Active CN214743406U (en) | 2021-04-16 | 2021-04-16 | High-sealing butterfly air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743406U (en) |
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2021
- 2021-04-16 CN CN202120774631.4U patent/CN214743406U/en active Active
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