CN213453695U - Single-shaft double-baffle sealing round air door - Google Patents
Single-shaft double-baffle sealing round air door Download PDFInfo
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- CN213453695U CN213453695U CN202022070089.2U CN202022070089U CN213453695U CN 213453695 U CN213453695 U CN 213453695U CN 202022070089 U CN202022070089 U CN 202022070089U CN 213453695 U CN213453695 U CN 213453695U
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Abstract
The utility model discloses a sealed circle air door of unipolar double cassette, include: circular housing the circular housing rotates through bolster bearing housing and step and is provided with the regulating spindle in the circular housing, the upper end of regulating spindle stretches out circular housing and is connected with servo gear motor's motor shaft, servo gear motor passes through the fixed upper end that sets up at circular housing of motor frame the internal symmetry of circular housing of regulating spindle both sides is provided with circular baffle, circular baffle is connected with the regulating spindle through a plurality of splice bars respectively, is provided with annular supporting seat respectively at a side edge that circular baffle is close to the regulating spindle be provided with annular toper fixing base be provided with a plurality of sliding chambers along the even slope of circumferencial direction in the annular toper fixing base slide intracavity and be provided with the slide bar rather than mutually supporting.
Description
Technical Field
The utility model relates to a circle air door especially relates to a sealed circle air door of two baffles of unipolar.
Background
The circular air door is mainly applied to pipelines such as an air duct, a flue and the like of a power plant for intercepting or regulating medium flow, and can also be applied to pipelines in other industries. The sealing strips are wrapped around the wind shield to seal the existing round air door, the sealing effect is poor, the sealing strips are seriously abraded, the abrasion rate is high, the leakage rate of the round air door in a fully closed state is often gradually greater than 3% along with the lapse of time, the sealing strips are frequently replaced, and the replacement is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the single-shaft double-baffle sealing round air door is good in sealing effect.
In order to solve the technical problem, the utility model discloses a technical scheme is: a single-shaft double baffle sealing round damper comprising: the circular shell is internally and rotatably provided with an adjusting shaft through an upper bearing seat and a lower bearing seat, the upper end of the adjusting shaft extends out of the circular shell and is connected with a motor shaft of a servo speed reduction motor, the servo speed reduction motor is fixedly arranged at the upper end of the circular shell through a motor frame, circular baffles are symmetrically arranged in the circular shell at two sides of the adjusting shaft and are respectively connected with the adjusting shaft through a plurality of connecting ribs, one side edge of the circular baffle, which is close to the adjusting shaft, is respectively provided with an annular supporting seat, the annular supporting seat is provided with an annular conical fixed seat, a plurality of sliding cavities are uniformly and obliquely arranged in the annular conical fixed seat along the circumferential direction, sliding rods matched with the sliding cavities are arranged in the sliding cavities in a sliding mode, one end of each sliding rod, which extends into the sliding cavity, is connected with the annular conical fixed seat through a spring, and the other end of each sliding rod, the annular elastic rubber sealing tube simultaneously offsets one side of the round baffle plate close to the adjusting shaft and the inner wall of the round shell, a first annular inflation cavity is arranged in the annular elastic rubber sealing tube, inflation channels are respectively arranged in the slide rod, one end of each inflation channel is communicated with the corresponding first annular inflation cavity, the other end of each inflation channel is communicated with the corresponding sliding cavity, a second annular inflation cavity is respectively arranged in the annular conical fixing seat, the sliding cavities are respectively communicated with the second annular inflation cavities through holes, an air inlet channel is arranged at the upper end of the adjusting shaft, the second annular inflation cavities are respectively communicated with the air inlet channel through inflation tubes, and an air nozzle communicated with the air inlet channel is arranged at the upper end, extending out of the round shell, of the adjusting shaft.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: the inclination angle of the sliding cavity is 45 degrees.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: the connecting ribs are of triangular structures.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: and sealing rings are respectively arranged between the adjusting shaft and the circular shell and between the sliding rod and the annular conical fixed seat.
The utility model has the advantages that: the single-shaft double-baffle sealing round air door is novel in structure, the single shaft is adopted to drive the double baffles to rotate simultaneously to open and close the air door, when the air door is closed, one side, close to the adjusting shaft, of the two round baffles and the round shell are extruded and sealed through the inflatable annular elastic rubber sealing pipes respectively, the 45-degree inclined sliding rods further extrude the annular elastic rubber sealing pipes in an inclined manner at an angle of 45 degrees under the action of air pressure, so that the annular elastic rubber sealing pipes apply the same pressure to one side, close to the adjusting shaft, of the round baffles and the inner wall of the round shell simultaneously, pressing force is uniformly distributed, double baffles and double annular elastic rubber sealing pipes can realize double extrusion sealing, the sealing effect is good, when the air door is opened, the air pressure can be released to enable the annular elastic rubber sealing pipes to contract and reset, the annular elastic rubber sealing pipes contract and are separated from one side, close to the adjusting shaft, of the round baffles, the spring resets and further separates through slide bar 12 pulling annular elasticity rubber seal pipe, can prevent that annular elasticity rubber seal pipe from taking place wearing and tearing when the air door is opened, long service life need not frequently change, can guarantee for a long time that the leakage rate of circle air door under the full cut-off state is less than 0.5%, simultaneously, is connected through the triangle-shaped splice bar between regulating spindle and two circular baffle, and structural strength is good, supports more stably.
Drawings
Fig. 1 is the utility model relates to a structural schematic diagram of a unipolar double-baffle sealed circle air door.
Fig. 2 is a right-view structural diagram of fig. 1.
Fig. 3 is a schematic sectional structure view of a-a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 2.
In the figure: 1. the device comprises a circular shell, a top bearing seat, a bottom bearing seat, a regulating shaft, a servo speed-reducing motor, a motor shaft, a motor frame, a circular baffle, a connecting rib, a ring-shaped supporting seat, a ring-shaped conical fixing seat, a ring-shaped elastic rubber sealing pipe, a sliding cavity, a sliding rod, a spring, a ring-shaped elastic rubber sealing pipe, a first ring-shaped inflation cavity, a ring-shaped inflation channel, a ring-shaped elastic rubber sealing pipe, a ring-shaped.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 1, 2, 3 and 4, a single-shaft double baffle sealing circular damper includes: the circular shell body 1 is internally provided with an adjusting shaft 4 in a rotating way through an upper bearing seat 2 and a lower bearing seat 3, the upper end of the adjusting shaft 4 extends out of the circular shell body 1 and is connected with a motor shaft 51 of a servo speed reduction motor 5, the servo speed reduction motor 5 is fixedly arranged at the upper end of the circular shell body 1 through a motor frame 6, circular baffles 7 are symmetrically arranged in the circular shell body 1 at two sides of the adjusting shaft 4, the circular baffles 7 are respectively connected with the adjusting shaft 4 through a plurality of connecting ribs 8, one side edge of each circular baffle 7 close to the adjusting shaft 4 is respectively provided with an annular supporting seat 9, the annular supporting seat 9 is provided with an annular conical fixing seat 10, a plurality of sliding cavities 11 are uniformly and obliquely arranged in the annular conical fixing seat 10 along the circumferential direction, sliding rods 12 matched with the sliding cavities 11 are arranged in the sliding cavities 11 in a sliding way, one end of each sliding rod 12 extending into the sliding cavity 11 is connected with the annular conical fixing seat, the other end of the slide rod 12 extending out of the slide cavity 11 is connected with an annular elastic rubber sealing tube 14, the annular elastic rubber sealing tube 14 abuts against one side of the circular baffle 7 close to the adjusting shaft 4 and the inner wall of the circular shell 1, a first annular inflation cavity 15 is arranged in the annular elastic rubber sealing tube 14, inflation channels 16 are respectively arranged in the slide rod 12, one end of each inflation channel 16 is communicated with the first annular inflation cavity 15, the other end of each inflation channel 16 is communicated with the slide cavity 11, second annular inflation cavities 17 are respectively arranged in the annular conical fixing seats 10, the slide cavity 11 is communicated with the second annular inflation cavities 17 through holes 18, an air inlet channel 19 is arranged at the upper end of the adjusting shaft 4, and the second annular inflation cavities 17 are communicated with the air inlet channels 19 through inflation tubes 20, an air nozzle 21 communicated with the air inlet channel 19 is arranged at the upper end of the adjusting shaft 4 extending out of the circular shell 1.
As shown in fig. 1, 2, 3 and 4, in this example, the slide chamber 11 is inclined at an angle of 45 ° for better sealing effect.
As shown in fig. 1, 2 and 3, in this example, the connecting rib 8 has a triangular structure for more stable support and better structural strength.
As shown in fig. 1, 2, 3 and 4, in this embodiment, in order to achieve better sealing effect, sealing rings 22 are respectively disposed between the adjusting shaft 4 and the circular housing 1, and between the sliding rod 12 and the annular conical fixed seat 10.
When the single-shaft double-baffle sealing circular air door is closed, the servo speed reducing motor 5 is started, a motor shaft 51 of the servo speed reducing motor 5 drives the adjusting shaft 4 to rotate 90 degrees between the upper bearing seat 2 and the lower bearing seat 3, the adjusting shaft 4 drives the two circular baffles 7 to rotate 90 degrees simultaneously through the connecting ribs 8, so that the axes of the circular baffles 7 are parallel to and coincide with the axis of the circular shell 1, the air nozzle 21 is connected with the inflating device, the inflating device inflates compressed air to sequentially pass through the air inlet channel 19, the inflating tube 20, the second annular inflating cavity 17, the through hole 18, the sliding cavity 11 and the inflating channel 19 to reach the first annular inflating cavity 15, the annular elastic rubber sealing tube 14 expands outwards under the air pressure, the annular elastic rubber sealing tube 14 firmly abuts against one side, close to the adjusting shaft 4, of the circular baffle 7 and the inner wall of the circular shell 1 at the same time, the air pressure is applied to the sliding rod 12 to push the sliding rod 12 to slide outwards, the slide bar 12 outwards pulls the spring 13 to expand, the slide bar 12 has further pressure to the annular elastic rubber sealing tube 14, moreover, the sliding cavity 11 is 45 slopes, it is guaranteed that the slide bar 12 is 45 slopes to the annular elastic rubber sealing tube 14 and extrudes, make the annular elastic rubber sealing tube 14 exert the same pressure to one side of circular baffle 7 near regulating spindle 4 and the inner wall of circular casing 1 simultaneously, it is effectual to compress tightly, one side of two circular baffles 7 near regulating spindle 4 realizes 45 degrees extrusion sealing through annular elastic rubber sealing tube 14 respectively, realize double sealing, it is effectual to seal, after filling stable atmospheric pressure, the air tap 21 can make atmospheric pressure keep in the pipeline.
When the single-shaft double-baffle sealing circular air door is opened, the air nozzle 21 is opened to discharge air pressure in each pipeline, the annular elastic rubber sealing tube 14 contracts and is separated from one side, close to the adjusting shaft 4, of the circular baffle 7 and the inner wall of the circular shell 1, meanwhile, the spring 13 resets and pulls the sliding rod 12 to slide inwards in the sliding cavity 11, the annular elastic rubber sealing tube 14 is further pulled to contract, the servo speed reducing motor 5 is started, the motor shaft 51 of the servo speed reducing motor 5 drives the adjusting shaft 4 to rotate reversely between the upper bearing seat 2 and the lower bearing seat 3 for 90 degrees and reset, the adjusting shaft 4 drives the two circular baffles 7 through the connecting ribs 8 and rotates 90 degrees simultaneously to enable the axis of the circular baffle 7 to be perpendicular to the axis of the circular shell 1, at the moment, the air door is opened, and air can be conveyed through.
The single-shaft double-baffle sealing round air door is novel in structure, the single shaft is adopted to drive the double baffles to rotate simultaneously to open and close the air door, when the air door is closed, one side, close to the adjusting shaft, of the two round baffles and the round shell are extruded and sealed through the inflatable annular elastic rubber sealing pipes respectively, the 45-degree inclined sliding rods further extrude the annular elastic rubber sealing pipes in an inclined manner at an angle of 45 degrees under the action of air pressure, so that the annular elastic rubber sealing pipes apply the same pressure to one side, close to the adjusting shaft, of the round baffles and the inner wall of the round shell simultaneously, pressing force is uniformly distributed, double baffles and double annular elastic rubber sealing pipes can realize double extrusion sealing, the sealing effect is good, when the air door is opened, the air pressure can be released to enable the annular elastic rubber sealing pipes to contract and reset, the annular elastic rubber sealing pipes contract and are separated from one side, close to the adjusting shaft, of the round baffles, the spring resets and further separates through slide bar 12 pulling annular elasticity rubber seal pipe, can prevent that annular elasticity rubber seal pipe from taking place wearing and tearing when the air door is opened, long service life need not frequently change, can guarantee for a long time that the leakage rate of circle air door under the full cut-off state is less than 0.5%, simultaneously, is connected through the triangle-shaped splice bar between regulating spindle and two circular baffle, and structural strength is good, supports more stably.
Claims (4)
1. The utility model provides a sealed circle air door of two baffles of unipolar which characterized in that: the method comprises the following steps: the device comprises a circular shell (1), an adjusting shaft (4) is rotatably arranged in the circular shell (1) through an upper bearing seat (2) and a lower bearing seat (3), the upper end of the adjusting shaft (4) extends out of the circular shell (1) and is connected with a motor shaft (51) of a servo speed reduction motor (5), the servo speed reduction motor (5) is fixedly arranged at the upper end of the circular shell (1) through a motor frame (6), circular baffles (7) are symmetrically arranged in the circular shell (1) at two sides of the adjusting shaft (4), the circular baffles (7) are respectively connected with the adjusting shaft (4) through a plurality of connecting ribs (8), annular supporting seats (9) are respectively arranged at one side edge of each circular baffle (7) close to the adjusting shaft (4), annular conical fixing seats (10) are arranged on the annular supporting seats (9), and a plurality of sliding cavities (11) are uniformly and obliquely arranged in the annular conical fixing seats (10) along the circumferential direction, a sliding rod (12) matched with the sliding cavity (11) is arranged in the sliding cavity (11) in a sliding mode, one end, extending into the sliding cavity (11), of the sliding rod (12) is connected with an annular conical fixing seat (10) through a spring (13), the other end, extending out of the sliding cavity (11), of the sliding rod (12) is connected with an annular elastic rubber sealing tube (14), the annular elastic rubber sealing tube (14) abuts against one side, close to the adjusting shaft (4), of the circular baffle plate (7) and the inner wall of the circular shell (1) at the same time, a first annular inflation cavity (15) is arranged in the annular elastic rubber sealing tube (14), inflation channels (16) are respectively arranged in the sliding rod (12), one end of each inflation channel (16) is communicated with the first annular inflation cavity (15), the other end of each inflation channel (16) is communicated with the sliding cavity (11), a second annular inflation cavity (17) is respectively arranged in the annular conical fixing seat (10), the sliding cavity (11) is communicated with a second annular inflation cavity (17) through a through hole (18), an air inlet channel (19) is arranged at the upper end of the adjusting shaft (4), the second annular inflation cavity (17) is communicated with the air inlet channel (19) through an inflation tube (20), and an air nozzle (21) communicated with the air inlet channel (19) is arranged at the upper end, extending out of the circular shell (1), of the adjusting shaft (4).
2. The single-shaft double baffle sealing circular damper as claimed in claim 1, wherein: the inclination angle of the sliding cavity (11) is 45 degrees.
3. The single-shaft double baffle sealing circular damper as claimed in claim 2, wherein: the connecting ribs (8) are of triangular structures.
4. A single-axis double baffle sealing circular damper as claimed in claim 3, wherein: and sealing rings (22) are respectively arranged between the adjusting shaft (4) and the circular shell (1) and between the sliding rod (12) and the annular conical fixed seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022070089.2U CN213453695U (en) | 2020-09-21 | 2020-09-21 | Single-shaft double-baffle sealing round air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022070089.2U CN213453695U (en) | 2020-09-21 | 2020-09-21 | Single-shaft double-baffle sealing round air door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213453695U true CN213453695U (en) | 2021-06-15 |
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ID=76327060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022070089.2U Active CN213453695U (en) | 2020-09-21 | 2020-09-21 | Single-shaft double-baffle sealing round air door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213453695U (en) |
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2020
- 2020-09-21 CN CN202022070089.2U patent/CN213453695U/en active Active
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