CN204852533U - Blast gate sealing device of improvement structure - Google Patents
Blast gate sealing device of improvement structure Download PDFInfo
- Publication number
- CN204852533U CN204852533U CN201520586202.9U CN201520586202U CN204852533U CN 204852533 U CN204852533 U CN 204852533U CN 201520586202 U CN201520586202 U CN 201520586202U CN 204852533 U CN204852533 U CN 204852533U
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- Prior art keywords
- valve
- air
- rotating shaft
- blast gate
- flange assembly
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- Expired - Fee Related
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Abstract
The utility model provides a blast gate sealing device of improvement structure, relate to the relevant technical field of laboratory air intake equipment, including drum blast gate casing (1), admit air flange assembly (2) and give vent to anger flange assembly (3), admit air flange assembly (2) and give vent to anger flange assembly (3) install respectively at drum blast gate casing (1) both ends, it also has blast gate sealing device, blast gate sealing device is by blast gate pivot (4), three pairs fixed fan -shaped valve plate (5), three movable fan -shaped valve plate (6), a pair of sealed bearing (7) and power device constitute, the middle part of blast gate pivot (4) is equipped with a pair of bearing mounting groove, the utility model discloses a promoting, can providing a blast gate sealing device of improvement structure, structural design is reasonable, and amount of wind control is more accurate, reduces the air leakage when sealing, has fine practical value and market spreading value.
Description
Technical field
The utility model relates to laboratory air intake equipment correlative technology field, is specifically related to a kind of structure improved air-valve seal arrangement.
Background technique
Air-valve is widely used in the industries such as air-conditioning, experimental facilities, VMC, wind furnace, is used to the flow of adjustments of gas medium or cuts off the device of gas medium.Existing air-valve is all arrange video disc in inner barrel substantially, utilizes driving mechanism to drive video disc to rotate; The air-valve used in ventilation system has manually and electronic two kinds of forms, because manually-operated gate investment is low, is widely used.Hand_pneumatic valve is divided into bar gate type and Worm-gear type, is realized the size of the unlatching of valve, closedown and aperture by driving mechanism; But its performance accuracy is not high, regulate difficulty larger.
At present, owing to there is gap between fan blade and air valve body inwall in air-valve, sealing is poor, so the air leak rate of air curtain of air-valve is generally 5 ~ 10%, energy consumption is higher, requires higher equipment, because sealing is too poor, be difficult to the wind-force reaching equipment requirement for wind-force; Be difficult to accurately control air quantity, do not reach air quantity requirement.
Summary of the invention
The purpose of this utility model mainly in order to solve the problems of the technologies described above, and provides a kind of structure improved air-valve seal arrangement.
The utility model comprises cylinder air-valve housing, inlet flange assembly and flange assembly of giving vent to anger, inlet flange assembly and flange assembly of giving vent to anger are arranged on cylinder air-valve housing two ends respectively, it also has air-valve seal arrangement, air-valve seal arrangement is by air-valve rotating shaft, three pairs of fixed fan-shaped valve plates, three movable sector valve plates, a pair stuffing box bearing and power plant composition, the middle part of air-valve rotating shaft is provided with pair of bearings mounting groove, the two ends of air-valve rotating shaft are movably arranged on cylinder air-valve housing respectively by bearing support and support, the fan-shaped inner ring of three movable sector valve plates respectively annular permutation is welded on the outer ring of air-valve rotating shaft, and the outer ring of three movable sector valve plates contacts with cylinder air-valve housing seal formula, the inner ring of a pair stuffing box bearing is assemblied in the pair of bearings mounting groove in the middle part of air-valve rotating shaft respectively, the fan-shaped outer ring of three pairs of fixed fan-shaped valve plates is welded on the outer wall of cylinder air-valve housing respectively, the fan-shaped inner ring of three pairs of fixed fan-shaped valve plates is arranged on the outer ring of a pair stuffing box bearing respectively, and three movable sector valve plates three to fixed fan-shaped valve plate between, power plant are fixedly mounted in cylinder air-valve housing by base, the clutch end of power plant is connected with air-valve rotating shaft transmission.
Three pairs of fixed fan-shaped valve plates and three movable sector valve plates adopt encapsulate technique to increase sealing.
Power plant are made up of decelerating through motor thermomechanical components, master gear and driven gear, decelerating through motor thermomechanical components is fixedly mounted in cylinder air-valve housing by base, master gear is assemblied on the pto＝power take-off of decelerating through motor thermomechanical components, driven gear is assemblied in air-valve rotating shaft, and master gear and driven gear engage each other transmission.
Also have blast volume controller, blast volume controller controls the startup of decelerating through motor thermomechanical components, stopping and motor speed.
The utility model advantage is: popularization of the present utility model, can provide a kind of structure improved air-valve seal arrangement, reasonable in design, and Boiler pressure control is more accurate, reduces inleakage during sealing, has good use value and market popularization value.
Accompanying drawing explanation
Fig. 1 is the utility model sectional structure schematic diagram.
Fig. 2 is Figure 1A-A cross section structural representation.
In figure: 1, cylinder air-valve housing; 2, inlet flange assembly; 3, to give vent to anger flange assembly; 4, air-valve rotating shaft; 5, three to fixed fan-shaped valve plate; 6, three movable sector valve plates; 7, a pair stuffing box bearing; 8, decelerating through motor thermomechanical components; 9, master gear; 10, driven gear.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As Fig. 1, shown in 2, the utility model comprises cylinder air-valve housing 1, inlet flange assembly 2 and flange assembly 3 of giving vent to anger, inlet flange assembly 2 and flange assembly 3 of giving vent to anger are arranged on cylinder air-valve housing 1 two ends respectively, it also has air-valve seal arrangement, air-valve seal arrangement is by air-valve rotating shaft 4, three pairs of fixed fan-shaped valve plates 5, three movable sector valve plates 6, a pair stuffing box bearing 7 and power plant composition, the middle part of air-valve rotating shaft 4 is provided with pair of bearings mounting groove, the two ends of air-valve rotating shaft 4 are movably arranged on cylinder air-valve housing 1 respectively by bearing support and support, the fan-shaped inner ring of three movable sector valve plates 6 respectively annular permutation is welded on the outer ring of air-valve rotating shaft 4, and the outer ring of three movable sector valve plates 6 contacts with cylinder air-valve housing 1 sealed type, the inner ring of a pair stuffing box bearing 7 is assemblied in the pair of bearings mounting groove in the middle part of air-valve rotating shaft 4 respectively, the fan-shaped outer ring of three pairs of fixed fan-shaped valve plates 5 is welded on the outer wall of cylinder air-valve housing 1 respectively, the fan-shaped inner ring of three pairs of fixed fan-shaped valve plates 5 is arranged on the outer ring of a pair stuffing box bearing 7 respectively, and three movable sector valve plates 6 three to fixed fan-shaped valve plate 5 between, power plant are fixedly mounted in cylinder air-valve housing 1 by base, the clutch end of power plant is connected with air-valve rotating shaft 4 transmission.
Three pairs of fixed fan-shaped valve plates 5 and three movable sector valve plates 6 adopt encapsulate technique to increase sealing.
Power plant are made up of decelerating through motor thermomechanical components 8, master gear 9 and driven gear 10, decelerating through motor thermomechanical components 8 is fixedly mounted in cylinder air-valve housing 1 by base, master gear 9 is assemblied on the pto＝power take-off of decelerating through motor thermomechanical components 8, driven gear 10 is assemblied in air-valve rotating shaft 4, and master gear 9 and driven gear 10 engage each other transmission.
Also have blast volume controller, blast volume controller controls the startup of decelerating through motor thermomechanical components 8, stopping and motor speed.
Working method and principle: utilize high-precision decelerating through motor thermomechanical components 8 when the power source making air-valve rotating shaft 4, operation blast volume controller controls decelerating through motor thermomechanical components 8 and rotates, drive the rotation of master gear 9 transfer driven gear 10, thus drive air-valve rotating shaft 4 to rotate, three movable sector valve plates 6 are driven to rotate, three to adjust air-valve air output to the position in the middle of fixed fan-shaped valve plate 5 is positioned at by three movable sector valve plates 6, or close completely, due to the self-locking property of decelerating through motor thermomechanical components 8, and the encapsulate of valve plate, increase the sealing of air-valve valve plate, reduce inleakage, increase the accuracy that air-valve controls simultaneously.
Claims (4)
1. a structure improved air-valve seal arrangement, comprise cylinder air-valve housing (1), inlet flange assembly (2) and flange assembly of giving vent to anger (3), inlet flange assembly (2) and flange assembly of giving vent to anger (3) are arranged on cylinder air-valve housing (1) two ends respectively, it is characterized in that it also has air-valve seal arrangement, air-valve seal arrangement is by air-valve rotating shaft (4), three pairs of fixed fan-shaped valve plates (5), three movable sector valve plates (6), a pair stuffing box bearing (7) and power plant composition, the middle part of air-valve rotating shaft (4) is provided with pair of bearings mounting groove, the two ends of air-valve rotating shaft (4) are movably arranged on cylinder air-valve housing (1) respectively by bearing support and support, the fan-shaped inner ring of three movable sector valve plates (6) respectively annular permutation is welded on the outer ring of air-valve rotating shaft (4), and the outer ring of three movable sector valve plates (6) contacts with cylinder air-valve housing (1) sealed type, the inner ring of a pair stuffing box bearing (7) is assemblied in the pair of bearings mounting groove at air-valve rotating shaft (4) middle part respectively, the fan-shaped outer ring of three pairs of fixed fan-shaped valve plates (5) is welded on the outer wall of cylinder air-valve housing (1) respectively, the fan-shaped inner ring of three pairs of fixed fan-shaped valve plates (5) is arranged on the outer ring of a pair stuffing box bearing (7) respectively, and three movable sector valve plates (6) are positioned at three between fixed fan-shaped valve plate (5), power plant are fixedly mounted in cylinder air-valve housing (1) by base, the clutch end of power plant is connected with air-valve rotating shaft (4) transmission.
2. the structure improved air-valve seal arrangement of one according to claim 1, is characterized in that three adopt encapsulate technique to increase sealing to fixed fan-shaped valve plate (5) and three movable sector valve plates (6).
3. the structure improved air-valve seal arrangement of one according to claim 1, it is characterized in that power plant are made up of decelerating through motor thermomechanical components (8), master gear (9) and driven gear (10), decelerating through motor thermomechanical components (8) is fixedly mounted in cylinder air-valve housing (1) by base, master gear (9) is assemblied on the pto＝power take-off of decelerating through motor thermomechanical components (8), driven gear (10) is assemblied in air-valve rotating shaft (4), and master gear (9) and driven gear (10) engage each other transmission.
4. the structure improved air-valve seal arrangement of the one according to claim 1 or 3, is characterized in that in addition blast volume controller, and blast volume controller controls the startup of decelerating through motor thermomechanical components (8), stopping and motor speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520586202.9U CN204852533U (en) | 2015-08-07 | 2015-08-07 | Blast gate sealing device of improvement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520586202.9U CN204852533U (en) | 2015-08-07 | 2015-08-07 | Blast gate sealing device of improvement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852533U true CN204852533U (en) | 2015-12-09 |
Family
ID=54743078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520586202.9U Expired - Fee Related CN204852533U (en) | 2015-08-07 | 2015-08-07 | Blast gate sealing device of improvement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852533U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458412A (en) * | 2018-05-24 | 2018-08-28 | 天津丰尧科技有限公司 | A kind of air purification dehumidification device |
| CN110608293A (en) * | 2019-10-31 | 2019-12-24 | 皓庭(唐山）环境科技有限公司 | Novel air valve structure |
-
2015
- 2015-08-07 CN CN201520586202.9U patent/CN204852533U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458412A (en) * | 2018-05-24 | 2018-08-28 | 天津丰尧科技有限公司 | A kind of air purification dehumidification device |
| CN110608293A (en) * | 2019-10-31 | 2019-12-24 | 皓庭(唐山）环境科技有限公司 | Novel air valve structure |
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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: 20151209 Termination date: 20200807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |