CN220037013U - Bidirectional air inlet cut-off device with throttle valve - Google Patents
Bidirectional air inlet cut-off device with throttle valve Download PDFInfo
- Publication number
- CN220037013U CN220037013U CN202321474621.4U CN202321474621U CN220037013U CN 220037013 U CN220037013 U CN 220037013U CN 202321474621 U CN202321474621 U CN 202321474621U CN 220037013 U CN220037013 U CN 220037013U
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- air
- throttle valve
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- cylinder
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- 230000002457 bidirectional effect Effects 0.000 title abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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Abstract
The utility model discloses a bidirectional air inlet shutoff device with a throttle valve, which belongs to the technical field of air circulation, and is used for controlling the flow of air by adding side throttle valves at air outlets at two ends of a valve body, meeting the requirements under different conditions, improving the applicability of the shutoff device, and realizing the throttling effect by controlling the opening and closing of blades inside by the side throttle valve through a throttle valve linkage mechanism, thereby being convenient and quick and convenient to adjust. The blades at two ends are controlled to be opened and closed simultaneously through one throttling cylinder and the connecting rod, so that the efficiency of controlling the gas flow is greatly improved.
Description
Technical Field
The utility model relates to the technical field of gas circulation, in particular to a bidirectional air inlet shutoff device with a throttle valve.
Background
The fan is a machine which relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven fluid machine. Fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships, buildings, ventilation and induced air of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and selection of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships, and the like.
When two fans are connected in series, sometimes a fan needs to be operated independently, a connecting pipeline between the two fans needs to be provided with a bidirectional air inlet shutoff device for switching the air inlet of the two fans, as disclosed in CN202222037611.6, the connecting rod mechanism is driven by an air cylinder to drive the connecting rod mechanism to drive the two valves to seal different air inlets, so that the change of the air flow direction is realized, the sealing of different air inlets can be regulated through the arrangement of a pair of connecting rod mechanisms, the regulation is convenient and quick, the sealing mechanism is not required to be arranged at each air inlet, and the air flow reversing efficiency is greatly improved. However, the valve body of the single bidirectional air inlet shutoff device is generally in a fully opened or fully closed state, the flow of air cannot be controlled according to the requirements, and the application range is narrow.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide the bidirectional air inlet shutoff device with the throttle valve, which can control the flow of air and meet various conditions.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a bidirectional air inlet shutoff device with a throttle valve, which comprises a valve body and an air flow steering mechanism fixed in the valve body, wherein a first air port, a second air port, a third air port and a fourth air port are sequentially formed in four sides of the valve body along the anticlockwise direction, a pair of valves are symmetrically arranged in the valve body, and the air flow steering mechanism is in transmission connection with the valves; the air inlet device comprises a first air inlet, a second air inlet, a third air inlet, a first air outlet, a second air outlet, a third air outlet, a first air outlet and a third air outlet, wherein the interfaces of the first air outlet and the third air outlet are respectively provided with a side throttle valve, a plurality of blades capable of opening and closing are distributed in the side throttle valves, and the blades are rotatably arranged in the side throttle valves through rotating shafts; the inside of the valve body is also provided with a throttle valve linkage mechanism which is connected with the blade through a control component and controls the opening and closing of the blade.
The preferable technical scheme of the utility model is that the throttle valve linkage mechanism comprises a throttle cylinder and a connecting rod, wherein the output end of the throttle cylinder is connected with the control assemblies at two ends through the connecting rod.
The control assembly comprises a driving swing arm and a driven swing arm;
the driving swing arm is rotatably arranged in the side throttle valve, one end of the driving swing arm is connected with the rotating shaft of the blade at the lowest position, the other end of the driving swing arm is connected with the connecting rod, and the driven swing arm is connected with the blade.
The preferable technical scheme of the utility model is that the airflow direction changing mechanism comprises a direction changing cylinder, a transmission mechanism and a rotation mechanism; the direction-changing air cylinder is fixedly arranged inside the valve body, the output end of the direction-changing air cylinder is in transmission connection with the transmission mechanism, the rotating mechanism is fixedly arranged on two sides of the fourth air port, the transmission mechanism is in transmission connection with the rotating mechanism, and the rotating mechanism is in transmission connection with the valve.
The preferable technical scheme of the utility model is that sleeve barrels are arranged at the first air port, the second air port, the third air port and the fourth air port; and a sealing ring is arranged between the sleeve joint cylinder and the side throttle valve.
The beneficial effects of the utility model are as follows:
1. according to the bidirectional air inlet shutoff device with the throttle valve, the side throttle valves are additionally arranged at the air outlets at the two ends of the valve body to control the flow of air, so that the requirements under different conditions are met, the applicability of the shutoff device is improved, the side throttle valve controls the opening and closing of the blades inside through the throttle valve linkage mechanism to achieve the throttling effect, and the bidirectional air inlet shutoff device is convenient and quick to use and convenient to adjust.
2. The blades at two ends are controlled to be opened and closed simultaneously through one throttling cylinder and the connecting rod, so that the efficiency of controlling the gas flow is greatly improved.
3. The direction-changing air cylinder drives the transmission mechanism to transmit, and then drives the two valves to seal different air openings through the rotating mechanism, so that the change of the air flow direction is realized, the sealing of different air openings can be regulated through the arrangement of a pair of rotating mechanisms, the air-changing air cylinder is convenient and quick to regulate, the sealing mechanism is not required to be arranged at each air opening, and the air flow reversing efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a bi-directional air intake stop with throttle according to an embodiment of the present utility model;
FIG. 2 is a schematic side view of a side throttle valve of a bi-directional air intake stop with throttle valve according to an embodiment of the present utility model;
in the figure:
1. a valve body; 2. an airflow direction changing mechanism; 3. a first tuyere; 4. a second tuyere; 5. a third tuyere; 6. a fourth tuyere; 7. a valve; 8. a side throttle valve; 9. a blade; 10. a throttle valve linkage mechanism; 11. a control assembly; 12. a throttle cylinder; 13. a connecting rod; 14. an active swing arm; 15. a driven swing arm; 16. a direction-changing cylinder; 17. a transmission mechanism; 18. a rotating mechanism; 19. a sleeve joint cylinder; 20. and (3) sealing rings.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in the figure, the embodiment provides a bidirectional air intake cut-off device with a throttle valve, which comprises a valve body 1 and an air flow direction changing mechanism 2 fixed in the valve body 1, wherein a first air port 3, a second air port 4, a third air port 5 and a fourth air port 6 are sequentially formed on four sides of the valve body 1 along the anticlockwise direction, a pair of valves 7 are symmetrically arranged in the valve body 1, and the air flow direction changing mechanism 2 is in transmission connection with the valves 7; the interfaces of the first air port 3 and the third air port 5 are respectively provided with a side throttle valve 8, a plurality of blades 9 which can be opened and closed are distributed in the side throttle valves 8, and the blades 9 are rotatably arranged in the side throttle valves 8 through rotating shafts; a throttle valve linkage mechanism 10 is further arranged in the valve body 1, and the throttle valve linkage mechanism 10 is connected with the blade 9 through a control assembly 11 and controls the opening and closing of the blade 9. Different air ports are closed through the control valve 7 of the air flow direction changing mechanism 2, the change of the air flow direction is realized, the first air port 3 and the third air port 5 are additionally provided with the side throttle valve 8 to control the passing air flow, the requirements of different flow can be met, and the throttle valve linkage mechanism 10 is used for controlling different opening and closing angles of the blades 9 in the side throttle valve 8, so that the air flow is controlled.
Further, the throttle linkage mechanism 10 includes a throttle cylinder 12 and a connecting rod 13, and an output end of the throttle cylinder 12 is connected to the control assemblies 11 at both ends through the connecting rod 13. The throttle cylinder 12 and the connecting rod 13 are used for simultaneously controlling the opening and closing of the blades 9 at two sides, so that the throttle control efficiency is improved.
Wherein the control assembly 11 comprises a driving swing arm 14 and a driven swing arm 15; the driving swing arm 14 is rotatably installed in the side throttle valve 8, one end of the driving swing arm 14 is connected with the rotating shaft of the blade 9 at the lowest position, the other end of the driving swing arm 14 is connected with the connecting rod 13, and the driven swing arm 15 is connected with the blade 9. The throttle cylinder 12 drives the driving swing arm 14 to rotate through the connecting rod 13, the driving swing arm 14 drives the lower blade 9 to rotate, when the lower blade 9 rotates, the driven swing arm 15 drives the upper blade 9 to synchronously rotate, and the opening and closing sizes of the blades 9 control the flow of gas.
The airflow direction changing mechanism 2 comprises a direction changing cylinder 16, a transmission mechanism 17 and a rotation mechanism 18; the direction-changing air cylinder 16 is fixedly arranged inside the valve body 1, the output end of the direction-changing air cylinder 16 is in transmission connection with the transmission mechanism 17, the rotation mechanism 18 is fixedly arranged on two sides of the fourth air port 6, the transmission mechanism 17 is in transmission connection with the rotation mechanism 18, and the rotation mechanism 18 is in transmission connection with the valve 7. The turning cylinder 16 enables the rotating mechanism 18 to operate through the transmission mechanism 17, the rotating mechanism 18 drives the two valves 7 to seal different air openings, the change of the air flow direction is realized, the sealing of the different air openings can be adjusted through the arrangement of the pair of rotating mechanisms 18, the adjustment is convenient and quick, the sealing mechanism is not required to be arranged at each air opening, and the air flow reversing efficiency is greatly improved.
The first air port 3, the second air port 4, the third air port 5 and the fourth air port 6 are provided with sleeve connecting cylinders 19; the connection is convenient, a sealing ring 20 is arranged between the sleeve 19 and the side throttle valve 8, so that the connection air tightness is improved.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, but rather, embodiments falling within the scope of the appended claims are intended to be embraced by the utility model.
Claims (5)
1. A two-way air intake cut-off device with a throttle valve is characterized in that:
the novel air flow reversing valve comprises a valve body (1) and an air flow reversing mechanism (2) fixed in the valve body (1), wherein a first air port (3), a second air port (4), a third air port (5) and a fourth air port (6) are sequentially formed in four side surfaces of the valve body (1) along the anticlockwise direction, a pair of valves (7) are symmetrically arranged in the valve body (1), and the air flow reversing mechanism (2) is in transmission connection with the valves (7);
the air inlet device is characterized in that side throttle valves (8) are arranged at the interfaces of the first air inlet (3) and the third air inlet (5), a plurality of blades (9) capable of being opened and closed are distributed in the side throttle valves (8), and the blades (9) are rotatably arranged in the side throttle valves (8) through rotating shafts;
the inside of the valve body (1) is also provided with a throttle valve linkage mechanism (10), and the throttle valve linkage mechanism (10) is connected with the blade (9) through a control component (11) and controls the opening and closing of the blade (9).
2. The bi-directional air intake stop with throttle valve of claim 1, wherein:
the throttle valve linkage mechanism (10) comprises a throttle cylinder (12) and a connecting rod (13), and the output end of the throttle cylinder (12) is connected with the control assemblies (11) at two ends through the connecting rod (13).
3. The two-way air intake stop with throttle valve of claim 2, wherein:
the control assembly (11) comprises a driving swing arm (14) and a driven swing arm (15);
the driving swing arm (14) is rotatably arranged in the side throttle valve (8), one end of the driving swing arm (14) is connected with the rotating shaft of the blade (9) at the lowest position, the other end of the driving swing arm (14) is connected with the connecting rod (13), and the driven swing arm (15) is connected with the blade (9) mutually.
4. The bi-directional air intake stop with throttle valve of claim 1, wherein:
the airflow direction changing mechanism (2) comprises a direction changing cylinder (16), a transmission mechanism (17) and a rotating mechanism (18);
the direction-changing air cylinder (16) is fixedly arranged inside the valve body (1), the output end of the direction-changing air cylinder (16) is in transmission connection with the transmission mechanism (17), the rotation mechanism (18) is fixedly arranged on two sides of the fourth air port (6), the transmission mechanism (17) is in transmission connection with the rotation mechanism (18), and the rotation mechanism (18) is in transmission connection with the valve (7).
5. The bi-directional air intake stop with throttle as defined in claim 4 wherein:
the first air port (3), the second air port (4), the third air port (5) and the fourth air port (6) are provided with sleeve connecting cylinders (19);
a sealing ring (20) is arranged between the sleeve joint cylinder (19) and the side throttle valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474621.4U CN220037013U (en) | 2023-06-09 | 2023-06-09 | Bidirectional air inlet cut-off device with throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474621.4U CN220037013U (en) | 2023-06-09 | 2023-06-09 | Bidirectional air inlet cut-off device with throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037013U true CN220037013U (en) | 2023-11-17 |
Family
ID=88732419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321474621.4U Active CN220037013U (en) | 2023-06-09 | 2023-06-09 | Bidirectional air inlet cut-off device with throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037013U (en) |
-
2023
- 2023-06-09 CN CN202321474621.4U patent/CN220037013U/en active Active
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