CN214501671U - Low-noise air outlet with adjustable air outlet direction - Google Patents
Low-noise air outlet with adjustable air outlet direction Download PDFInfo
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- CN214501671U CN214501671U CN202120121205.0U CN202120121205U CN214501671U CN 214501671 U CN214501671 U CN 214501671U CN 202120121205 U CN202120121205 U CN 202120121205U CN 214501671 U CN214501671 U CN 214501671U
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- air outlet
- fan blade
- rack
- outlet pipe
- blade frame
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Abstract
The adjustable air-out direction wind gap of low noise. The utility model relates to a ventilation equipment especially relates to the improvement in the adjustable air-out direction wind gap of low noise. The low-noise air outlet direction adjustable air outlet is compact and reasonable in structure and convenient and fast in wind direction adjustment. The utility model comprises a box body, wherein the box body is provided with an air inlet pipe and an air outlet pipe, and the air inlet pipe is provided with a fan blade adjusting mechanism; the air inlet pipe is provided with a fan blade adjusting mechanism; the fan blade adjusting mechanism comprises a motor, a gear, a rack, a connecting rod and a fan blade frame body; in the fan blade frame, the fan blade rotating angle is changed by swinging one end of the fan blade frame. The gear rotates clockwise, and the rack slides upwards, so that the right side end of the fan blade frame body moves upwards; the rack slides downwards due to the anticlockwise rotation, so that the right side end of the fan blade frame body moves downwards; thereby changing the direction of the outlet air. The utility model has the characteristics of compact structure is reasonable, wind direction is adjusted conveniently etc.
Description
Technical Field
The utility model relates to a ventilation equipment especially relates to the improvement in the adjustable air-out direction wind gap of low noise.
Background
The static pressure box is a necessary accessory for reducing dynamic pressure, increasing static pressure, stabilizing air flow and reducing air flow vibration of the air supply system, and can make the air supply effect more ideal. A plenum box is a device that both allows airflow to pass through and effectively prevents or attenuates the outward propagation of acoustic energy. At present, air outlets of static pressure boxes are all formed by fan blades which are fixedly connected horizontally or vertically, and the air outlet direction cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above problem, provide a compact structure is reasonable, the convenient adjustable air-out direction wind gap of low noise of wind direction regulation.
The technical scheme of the utility model is that: the low-noise air outlet direction-adjustable air port comprises a box body, wherein an air inlet pipe and an air outlet pipe are arranged on the box body, and a fan blade adjusting mechanism is arranged on the air inlet pipe;
the fan blade adjusting mechanism comprises a motor, a gear, a rack, a connecting rod and a fan blade frame body;
a plurality of uniformly distributed and fixedly arranged fan blades are arranged in the fan blade frame body;
the shell of the motor is fixedly connected with the air outlet pipe and is positioned on the side part of the rack;
the gear is fixedly sleeved on a rotating shaft of the motor and meshed with the rack;
the rack is arranged on the air outlet pipe and slides on the air outlet pipe through the gear;
one end of the connecting rod is hinged with one end of the fan blade frame body, and the other end of the connecting rod is movably arranged on the rack;
the rack is provided with a swinging groove matched with the other end of the connecting rod;
the other end of the fan blade frame body is hinged on the air outlet pipe.
A pressure reduction box body is also arranged in the air outlet pipe;
the pressure reduction box body is fixedly arranged in the air outlet pipe;
the pressure reduction box body comprises a pressure reduction cavity and a diffusion cavity which are communicated;
the pressure reduction cavity is of a structure with a small upper part and a large lower part;
the airflow enters from the upper part of the pressure reduction cavity and flows out through the diffusion cavity.
The rack is connected with the air outlet pipe in a sliding manner through a sliding rod;
the sliding rod is fixedly arranged on the air outlet pipe;
and a sliding groove matched with the sliding rod is arranged on the rack.
The air outlet pipe is provided with a pair.
The air outlet pipe is internally provided with sound absorbing cotton fixedly connected with the inner side wall.
The utility model comprises a box body, wherein the box body is provided with an air inlet pipe and an air outlet pipe, and the air inlet pipe is provided with a fan blade adjusting mechanism; the air inlet pipe is provided with a fan blade adjusting mechanism; the fan blade adjusting mechanism comprises a motor, a gear, a rack, a connecting rod and a fan blade frame body; in the fan blade frame, the fan blade rotating angle is changed by swinging one end of the fan blade frame. The gear rotates clockwise, and the rack slides upwards, so that the right side end of the fan blade frame body moves upwards; the rack slides downwards due to the anticlockwise rotation, so that the right side end of the fan blade frame body moves downwards; thereby changing the direction of the outlet air. The utility model has the characteristics of compact structure is reasonable, wind direction is adjusted conveniently etc.
Drawings
Figure 1 is a schematic structural view of the present invention,
FIG. 2 is an enlarged schematic view of the area A in FIG. 1;
in the figure, 1 is a box body, 11 is an air inlet pipe, 12 is an air outlet pipe, 2 is a fan blade adjusting mechanism, 21 is a motor, 22 is a gear, 23 is a rack, 24 is a connecting rod, 25 is a fan blade frame body, 26 is a fan blade, 3 is a pressure reduction box body, 31 is a pressure reduction cavity, and 32 is a diffusion cavity.
Detailed Description
The utility model discloses as shown in fig. 1-2, the adjustable air-out direction wind gap of low noise, including box 1, be equipped with air-supply line 11 and air-out pipe 12 on the said box 1, be equipped with fan blade adjustment mechanism 2 on the said air-supply line 11;
the fan blade adjusting mechanism 2 comprises a motor 21, a gear 22, a rack 23, a connecting rod 24 and a fan blade frame 25;
a plurality of uniformly distributed and fixedly arranged fan blades 26 are arranged in the fan blade frame body 25;
the shell of the motor 21 is fixedly connected with the air outlet pipe 12 and is positioned on the side part of the rack 23;
the gear 22 is fixedly sleeved on a rotating shaft of the motor 21 and meshed with the rack 23;
the rack 23 is arranged on the air outlet pipe 12 and slides on the air outlet pipe 12 through the rotation of the gear 22;
one end of the connecting rod 24 is hinged with one end of the fan blade frame body 25, and the other end is movably arranged on the rack 23;
the rack 23 is provided with a swing groove matched with the other end of the connecting rod 24;
the other end of the fan blade frame body 25 is hinged on the air outlet pipe 12.
In the scheme, the fan blade rotating angle in the fan blade frame body 25 changes the angle direction of the fan blade 26 through the swinging of one end of the fan blade frame body 25. As shown in fig. 2, the gear 22 rotates clockwise, and the rack 23 slides upwards, so that the right end of the fan blade frame 25 moves upwards; the rack 23 slides downwards by rotating anticlockwise, so that the right end of the fan blade frame body 25 moves downwards; thereby changing the direction of the outlet air.
A pressure reduction box body 3 is also arranged in the air outlet pipe; the pressure of the airflow is reduced through the pressure reduction box body 3, so that the wind noise is reduced;
the pressure reduction box body 3 is fixedly arranged in the air outlet pipe;
the decompression box body 3 comprises a decompression cavity 31 and a diffusion cavity 32 which are communicated;
the pressure reduction cavity 31 is of a structure with a small upper part and a large lower part (the direction of fig. 2 is a reference direction);
the gas flow enters from the upper part of the pressure reduction chamber 31 and flows out through the diffusion chamber 32.
The top of the pressure reduction box is provided with a plurality of air inlets, the bottom of the pressure reduction box is provided with a plurality of air outlets which are uniformly distributed, part of air flow is intercepted in the box body, the other part of air flow enters the pressure reduction box through the air inlets, the air flow pressure is reduced at the moment, flows out from the plurality of air outlets, and flows out after being adjusted by the fan blades 26 on the fan blade frame body 25.
The rack 23 is connected with the air outlet pipe 12 in a sliding way through a sliding rod;
the sliding rod is fixedly arranged on the air outlet pipe 12;
and a sliding groove matched with the sliding rod is arranged on the rack 23.
The air outlet pipe 12 is provided with a pair.
The air outlet pipe 12 is internally provided with sound absorbing cotton fixedly connected with the inner side wall.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (5)
1. The low-noise air outlet with the adjustable air outlet direction comprises a box body, wherein an air inlet pipe and an air outlet pipe are arranged on the box body;
the fan blade adjusting mechanism comprises a motor, a gear, a rack, a connecting rod and a fan blade frame body;
a plurality of uniformly distributed and fixedly arranged fan blades are arranged in the fan blade frame body;
the shell of the motor is fixedly connected with the air outlet pipe and is positioned on the side part of the rack;
the gear is fixedly sleeved on a rotating shaft of the motor and meshed with the rack;
the rack is arranged on the air outlet pipe and slides on the air outlet pipe through the gear;
one end of the connecting rod is hinged with one end of the fan blade frame body, and the other end of the connecting rod is movably arranged on the rack;
the rack is provided with a swinging groove matched with the other end of the connecting rod;
the other end of the fan blade frame body is hinged on the air outlet pipe.
2. The low-noise air outlet direction-adjustable air outlet according to claim 1, wherein a pressure reduction box is further arranged in the air outlet pipe;
the pressure reduction box body is fixedly arranged in the air outlet pipe;
the pressure reduction box body comprises a pressure reduction cavity and a diffusion cavity which are communicated;
the pressure reduction cavity is of a structure with a small upper part and a large lower part;
the airflow enters from the upper part of the pressure reduction cavity and flows out through the diffusion cavity.
3. The low-noise air outlet direction-adjustable air outlet according to claim 1, wherein the rack is slidably connected with the air outlet pipe through a sliding rod;
the sliding rod is fixedly arranged on the air outlet pipe;
and a sliding groove matched with the sliding rod is arranged on the rack.
4. The low-noise air outlet direction-adjustable air outlet according to claim 1, wherein a pair of air outlet pipes are provided.
5. The low-noise air outlet direction-adjustable air outlet according to claim 1, wherein sound-absorbing cotton fixedly connected with the inner side wall is arranged in the air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120121205.0U CN214501671U (en) | 2021-01-15 | 2021-01-15 | Low-noise air outlet with adjustable air outlet direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120121205.0U CN214501671U (en) | 2021-01-15 | 2021-01-15 | Low-noise air outlet with adjustable air outlet direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214501671U true CN214501671U (en) | 2021-10-26 |
Family
ID=78214904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120121205.0U Active CN214501671U (en) | 2021-01-15 | 2021-01-15 | Low-noise air outlet with adjustable air outlet direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214501671U (en) |
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2021
- 2021-01-15 CN CN202120121205.0U patent/CN214501671U/en active Active
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