CN213870357U - Axial flow fan - Google Patents
Axial flow fan Download PDFInfo
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- CN213870357U CN213870357U CN202023082945.2U CN202023082945U CN213870357U CN 213870357 U CN213870357 U CN 213870357U CN 202023082945 U CN202023082945 U CN 202023082945U CN 213870357 U CN213870357 U CN 213870357U
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Abstract
The utility model relates to an axial flow fan, which comprises a casing, wherein a bearing seat is coaxially connected in the casing, a fan rotating shaft is rotatably connected on the bearing seat, the front end of the fan rotating shaft is connected with fan blades, the rear end of the fan rotating shaft is connected with a driving motor, supporting plates are arranged on the left side and the right side of the casing, angle adjusting shafts are connected on the left side and the right side of the casing, the angle adjusting shafts are rotatably connected on the supporting plates, and nuts are in threaded connection on the angle adjusting shafts; the lower end of the supporting plate is connected with a base plate. The wind direction angle can be adjusted at will by the fan, the horizontal height can be adjusted, the application range of the axial flow fan is expanded, and the adaptability is stronger.
Description
Technical Field
The utility model relates to a ventilation mechanical equipment technical field specifically is an axial fan.
Background
The axial flow is airflow in the same direction as the axis of the fan blade, and fans such as electric fans and air conditioner external units operate in an axial flow mode. The "axial flow" is so called because the gas flows parallel to the fan axis. The axial flow fan is generally used in the occasions with higher flow requirement and lower pressure requirement, is suitable for ventilation or enhanced heating radiation in general factories, warehouses, offices and houses, and can change the rotating speed to reach the performance required by users according to the requirements of the users for exhausting high-temperature gas or damp-proof gas.
The wind direction angle of the axial flow fan in the prior art is single and is difficult to adjust, so that the application occasion of the axial flow fan is reduced, and the adaptability is poor.
Disclosure of Invention
For overcoming the above-mentioned problem that exists among the prior art, the utility model provides an axial fan can adjust the wind direction angle wantonly, and can adjust level, has enlarged axial fan's range of application, and adaptability is stronger.
The utility model discloses a realize through following technical scheme:
an axial flow fan comprises a casing, wherein a bearing seat is coaxially connected in the casing, a fan rotating shaft is rotatably connected on the bearing seat, the front end of the fan rotating shaft is connected with fan blades, the rear end of the fan rotating shaft is connected with a driving motor, supporting plates are arranged on the left side and the right side of the casing, angle adjusting shafts are connected on the left side and the right side of the casing, the angle adjusting shafts are rotatably connected on the supporting plates, and nuts are connected on the angle adjusting shafts in a threaded manner; the lower end of the supporting plate is connected with a base plate.
Preferably, the supporting plate comprises a supporting fixed plate and a supporting sliding plate, and the supporting sliding plate is slidably connected to the supporting fixed plate.
Preferably, the base plate comprises a lower plate and an upper plate, and a cushioning spring is connected between the lower plate and the upper plate.
Preferably, the driving motor is connected above the casing and is connected to the fan rotating shaft through a belt transmission set.
Preferably, a fan cover connected to the casing is arranged on the outer side of the fan blades.
The utility model has the advantages that:
1. the left side and the right side of the casing are provided with the supporting plates, the left side and the right side of the casing are connected with the angle adjusting shafts, the angle adjusting shafts are rotatably connected to the supporting plates, the nuts are in threaded connection with the angle adjusting shafts, when the wind direction inclination angle of the fan needs to be adjusted, the nuts on the two sides are loosened, the casing is pushed to rotate around the angle adjusting shafts for a certain angle, and then the nuts are screwed down, so that the axial flow fan is convenient to operate, the application range of the axial flow fan is expanded, and the adaptability is stronger.
2. The backup pad is including supporting fixed plate and support slide, supports slide sliding connection and decide the board at the support, and axial fan's height can be adjusted according to customer's actual demand, has further improved axial fan's application scope.
3. The driving motor is connected above the casing and connected to the fan rotating shaft through the belt transmission set, and the structure enables the driving motor and the high-temperature and high-humidity flue gas to be not coaxial, so that the contact chance between the driving motor and the high-temperature and high-humidity flue gas is reduced, and the service life of the driving motor is prolonged.
4. The bed plate includes hypoplastron and upper plate, is connected with the bradyseism spring between hypoplastron and the upper plate, and the bradyseism spring can cushion vibrations and the noise that driving motor during operation produced, and then has alleviated the inside rigidity impact that produces because of vibrations of fan, has improved axial fan's life.
5. The fan housing connected to the casing is arranged on the outer side of the fan blade, the fan housing plays a role in protection, large light impurities are prevented from being involved in the fan blade, and the number of times of cleaning the inside of the fan is reduced.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic sectional view at a-a in fig. 2.
Fig. 4 is a schematic top view of the present invention.
Fig. 5 is a schematic perspective view of the present invention.
Fig. 6 is a schematic perspective view of the present invention.
In the figure, 1-base plate, 11-lower plate, 111-guide column, 12-upper plate, 13-cushioning spring, 2-support plate, 21-support fixed plate, 22-support sliding plate, 3-angle adjusting shaft, 31-nut, 4-shell, 41-bearing seat, 411-bearing, 42-fixing seat, 43-blower rotating shaft, 44-fan blade, 5-driving motor, 6-fan cover, 7-belt transmission group, 71-driving pulley, 72-driven pulley and 73-belt.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 6, the utility model relates to an axial fan, including casing 4, coaxial coupling has bearing frame 41 in the casing 4, and is concrete, bearing frame 41 passes through fixing base 42 to be fixed in casing 4, and both ends are fixed with bearing 411 around the 41 hole of bearing frame, and rotatable coupling has fan pivot 43 in the bearing 411 on the bearing frame 41, and fan pivot 43 front end is connected with flabellum 44, and fan pivot 43 rear end is connected with driving motor 5, and under driving motor 5's drive, fan pivot 43 and flabellum 44 rotate and form axial fan, and the aforesaid is prior art, does not describe here any longer.
The left side and the right side of the casing 4 are provided with supporting plates 2, the left side and the right side of the casing 4 are fixedly connected with angle adjusting shafts 3, the angle adjusting shafts 3 are rotatably connected onto the supporting plates 2, and nuts 31 are connected onto the angle adjusting shafts 3 in a threaded mode. When the wind direction inclination angle of the axial flow fan needs to be adjusted, the nuts 31 on the two sides are loosened, the shell 4 is pushed to rotate around the angle adjusting shaft 43 to a required angle, then the nuts 31 are screwed, the operation is convenient, the application range of the axial flow fan is expanded, and the adaptability is stronger.
The 2 lower extremes of backup pad are connected with bed plate 1 for support axial fan, bed plate 1 includes hypoplastron 11 and upper plate 12, be connected with bradyseism spring 13 between hypoplastron 11 and the upper plate 12, as shown in fig. 1, 2, still be equipped with guide post 111 in the middle of the bradyseism spring 13, guide post 111 lower extreme is fixed on hypoplastron 11, set up the guiding hole that corresponds guide post 111 on the upper plate 12, guarantee through guide post 111 that bradyseism spring 13 can only be compressed in the direction of operation.
The backup pad 2 is including supporting fixed plate 21 and support slide plate 22, support slide plate 22 sliding connection on supporting fixed plate 21, as shown in fig. 5, the sliding tray has been seted up on the support fixed plate 21 medial surface, support slide plate 22 sliding connection is in the sliding tray, support fixed plate 21 and support slide plate 22 and all seted up the pinhole of a plurality of direction from top to bottom, when adjusting the high position of support slide plate 22 for supporting fixed plate 21, insert the fixed pin in the pinhole and will support fixed plate 21 and support slide plate 22 fixedly. Therefore, the height of the axial flow fan can be adjusted according to the actual requirements of customers, and the application range of the axial flow fan is further widened.
Driving motor 5 fixed connection is in the top of casing 4, driving motor 5 is connected in fan pivot 43 through belt drive group 7, it is specific, as shown in fig. 6, side is connected with driven pulley 72 behind fan pivot 43, driving motor 5's output shaft end is connected with driving pulley 71, driving pulley 71 passes through the belt 73 with driven pulley 72 and is connected, driving motor 5 drives fan pivot 43 when rotating and rotates, this kind of structure makes driving motor 5 and high temperature and high humidity's flue gas disalignment, and driving motor 5 is not in casing 4 yet, thereby reduced contact chance each other, and then improved driving motor 5's life.
The fan housing 6 connected to the casing 4 is disposed outside the fan blades 44, as shown in fig. 5, the fan housing 6 plays a role in protection, so as to prevent large light impurities such as plastic bag scraps, leaves and the like from being involved in the fan blades to block the fan, reduce the number of times for cleaning the inside of the fan, and reduce the maintenance time.
The working process is as follows: when the wind direction inclination angle of the axial flow fan needs to be adjusted, the nuts 31 on the two sides are loosened, the shell 4 is pushed to rotate around the angle adjusting shaft 43 to a required angle, and then the nuts 31 are screwed down; when the height needs to be adjusted, take off and wear to establish the fixed pin in supporting fixed plate 21 and supporting slide 22 pinhole, then slide up and down and support slide 22 to required position, guarantee simultaneously that the pinhole that supports fixed plate 21 and supporting slide 22 aligns, it can in the pinhole after the alignment to insert the fixed pin again.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention, but do not require the present invention to be constructed or operated in a specific orientation, and therefore, cannot be construed as limiting the present invention. The terms "connected" and "connected" in the present invention are to be understood in a broad sense, and may be connected or detachably connected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.
The foregoing is a preferred embodiment of the present invention, and the description of the specific embodiments is only for better understanding of the idea of the present invention. To those skilled in the art, many modifications and equivalents may be made in accordance with the principles of the present invention and are deemed to fall within the scope of the invention.
Claims (5)
1. The utility model provides an axial fan, includes casing (4), coaxial coupling has bearing frame (41) in casing (4), rotatable coupling has fan pivot (43) on bearing frame (41), fan pivot (43) front end is connected with flabellum (44), fan pivot (43) rear end is connected with driving motor (5), its characterized in that: the left side and the right side of the shell (4) are provided with supporting plates (2), the left side and the right side of the shell (4) are connected with angle adjusting shafts (3), the angle adjusting shafts (3) are rotatably connected to the supporting plates (2), and nuts (31) are connected to the angle adjusting shafts (3) in a threaded mode; the lower end of the supporting plate (2) is connected with a base plate (1).
2. The axial flow fan of claim 1, wherein: the supporting plate (2) comprises a supporting fixed plate (21) and a supporting sliding plate (22), and the supporting sliding plate (22) is connected to the supporting fixed plate (21) in a sliding mode.
3. The axial fan according to claim 1 or 2, wherein: the base plate (1) comprises a lower plate (11) and an upper plate (12), and a cushioning spring (13) is connected between the lower plate (11) and the upper plate (12).
4. The axial flow fan of claim 3, wherein: the driving motor (5) is connected above the casing (4), and the driving motor (5) is connected with the fan rotating shaft (43) through the belt transmission set (7).
5. The axial flow fan of claim 4, wherein: and a fan cover (6) connected to the shell (4) is arranged on the outer side of the fan blade (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082945.2U CN213870357U (en) | 2020-12-18 | 2020-12-18 | Axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082945.2U CN213870357U (en) | 2020-12-18 | 2020-12-18 | Axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213870357U true CN213870357U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023082945.2U Active CN213870357U (en) | 2020-12-18 | 2020-12-18 | Axial flow fan |
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| Country | Link |
|---|---|
| CN (1) | CN213870357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109871A (en) * | 2021-11-09 | 2022-03-01 | 王自明 | Frequency conversion axial fan |
-
2020
- 2020-12-18 CN CN202023082945.2U patent/CN213870357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109871A (en) * | 2021-11-09 | 2022-03-01 | 王自明 | Frequency conversion axial fan |
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