CN218717582U

CN218717582U - Cylinder axial flow fan

Info

Publication number: CN218717582U
Application number: CN202223080549.5U
Authority: CN
Inventors: 戴友谊; 陈文星; 郑伟敏; 冯乐涵
Original assignee: Guangdong Fans Tech Agricultural Fan Equipment Co ltd
Current assignee: Guangdong Fans Tech Agricultural Fan Equipment Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-24
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a drum axial fan, including the casing and set up motor, wind wheel and water conservancy diversion leaf subassembly in the casing, the transmission shaft of motor is connected with the wheel hub of wind wheel for order about the wind wheel and rotate, water conservancy diversion leaf subassembly includes annular mounting bracket and follows the even water conservancy diversion flabellum that sets up of mounting bracket lateral surface circumference, the motor side is located to the mounting bracket cover, the water conservancy diversion flabellum is connected with mounting bracket detachably, the outer end and the casing of water conservancy diversion flabellum are connected, the casing is in the fixed protection screen panel that sets up in one side of motor, the casing is located the fixed kuppe that sets up in one side of wind wheel. The utility model discloses a kuppe and water conservancy diversion leaf subassembly are favorable to improving the fan amount of wind and noise reduction, solve current axial fan and are difficult to compromise the problem of low noise and high amount of wind, and the water conservancy diversion flabellum in the water conservancy diversion leaf subassembly can be according to the demand dismouting, is convenient for obtain the product of different performance, improves the adaptability of axial fan in different occasions.

Description

Cylinder axial flow fan

Technical Field

The utility model belongs to the technical field of the fan, concretely relates to drum axial fan.

Background

The axial flow fan is a fan that blows an air flow in the same direction as the fan axis, and is generally used in an environment where the flow rate requirement is high and the pressure is low, and can be used for ventilation in a general factory, warehouse, office, or house. The axial flow fan mainly comprises a fan impeller and a casing, and has a simple structure but high requirement. For example, the fan applied to the cultivation greenhouse has at least the following performance requirements: (1) The fan must be capable of operating stably for a long time under static pressure of more than 300 Pa; (2) The noise of the fan cannot be too high, otherwise, the noise is very high when a plurality of axial flow fans operate simultaneously, and the breeding is influenced. In view of the above problems, the following improvements are generally made to the existing fans in terms of performance or structure: the number of the fan blades is increased or the diameter of the wind wheel is increased in order to meet the requirement of high static pressure air removal. But increase fan blade quantity can lead to fan power to improve and the noise increase, increases the wind wheel diameter, can lead to the complete machine volume grow, can not be applicable to narrow environment. In addition, the structure and performance of the conventional axial flow fan are fixed, and the adjustability is poor according to different use scenes, so that a new axial flow fan needs to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, an object of the utility model is to provide a drum axial fan, kuppe and water conservancy diversion leaf subassembly are favorable to improving the fan amount of wind and noise reduction, solve current axial fan and are difficult to compromise the problem of low noise and high amount of wind, and the water conservancy diversion flabellum in the water conservancy diversion leaf subassembly can be according to the demand dismouting, is convenient for obtain the product of different performance, improves the adaptability of axial fan in different occasions.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a drum axial fan, includes the casing and sets up motor, wind wheel and water conservancy diversion leaf subassembly in the casing, the transmission shaft of motor is connected with the wheel hub of wind wheel for order about the wind wheel and rotate, water conservancy diversion leaf subassembly includes annular mounting bracket and the water conservancy diversion flabellum that evenly sets up along mounting bracket lateral surface circumference, the motor side is located to the mounting bracket cover, the water conservancy diversion flabellum is connected with mounting bracket detachably, the outer end and the casing of water conservancy diversion flabellum are connected, the casing is in the fixed protection screen panel that sets up in one side of motor, the casing is located the fixed kuppe that sets up in one side of wind wheel.

Preferably, the lateral surface of mounting bracket sets up the protruding mount table of multiunit, the inner of water conservancy diversion flabellum is provided with the installation knot of being connected with protruding mount table gomphosis, the outer end of water conservancy diversion flabellum sets up the mounting hole of being convenient for can dismantle the connection. The mode that water conservancy diversion flabellum and mount table gomphosis are connected is convenient for water conservancy diversion flabellum dismantlement or installation on the mounting bracket, because the position of mounting bracket is fixed, even only the outer end and the casing fixed connection of water conservancy diversion flabellum, water conservancy diversion leaf subassembly also can be fixed in the fan.

Preferably, one side of the blade of the wind wheel is provided with sawteeth for reducing noise.

Preferably, the number of the guide vanes is greater than or equal to 5, and more preferably, the number of the guide vanes ranges from 5 to 12.

Preferably, the protection net cover is provided with a plurality of connecting supports along radial, connecting support's outer end and casing fixed connection, connecting support's the inner and mounting bracket fixed connection to improve the bulk strength of fan.

Preferably, the outer end of water conservancy diversion flabellum is connected with first solid fixed ring detachably, the inner of water conservancy diversion flabellum is connected with the solid fixed ring detachably of second, first solid fixed ring is connected with casing detachably, the solid fixed ring of second is connected with mounting bracket detachably. It is easy to understand that the guide vanes can be disassembled from the first fixing ring and the second fixing ring, or the guide vanes, the first fixing ring and the second fixing ring can be disassembled as a whole.

Preferably, the circumferential side surface of the shell is provided with a connecting groove, the connecting ring is sleeved outside the connecting groove, and the connecting ring is provided with a connecting part.

Preferably, a bearing is arranged in the connecting groove, and the connecting ring is connected with the bearing and used for enabling the connecting ring to rotate freely outside the shell.

Preferably, a gasket for increasing friction is disposed in the connecting groove, and the connecting ring is disposed outside the gasket and used for limiting the connecting ring from rotating outside the housing.

Has the advantages that:

the utility model discloses the business turn over wind gap of casing presents the horn mouth, improves the distance of blowing, increases the amount of wind, improves the efficiency ratio, on satisfying the amount of wind, blowing distance and noise requirement's basis, the utility model discloses be furnished with water conservancy diversion leaf subassembly, can improve the fan amount of wind by a wide margin and be favorable to the noise reduction, the quantity of the water conservancy diversion flabellum of water conservancy diversion leaf subassembly can be adjusted moreover, through the quantity that changes the water conservancy diversion flabellum in order to obtain different performance products, the utility model discloses a blade of wind wheel is provided with the sawtooth, also can effectively reduce the noise that produces when the fan wind wheel is rotatory, has effectively solved current axial fan and has been difficult to compromise the problem of low noise and high amount of wind.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of the back side of FIG. 1;

FIG. 3 is a schematic view of the interior of the blower;

FIG. 4 is a schematic view of the back side of FIG. 3;

fig. 5 is a schematic view in a side view of fig. 3.

Reference numerals: 1-shell, 2-motor, 3-mounting rack, 4-guide vane, 5-protective screen, 6-connecting bracket, 7-bracket mounting position, 8-hub, 9-vane, 10-guide vane, 11-sawtooth and 12-flanging.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

The technical solution of the present invention will be described in detail with specific embodiments.

The utility model provides a drum axial fan, including casing 1 and set up motor 2 in casing 1, wind wheel and water conservancy diversion leaf subassembly, as shown in fig. 1-5, casing 1 is whole cylindricly, casing 1's air intake and air outlet are the horn mouth shape, play the mass flow effect, effectively improve fan efficiency, the wind wheel includes wheel hub 8 and a plurality of blade 9, a plurality of blade 9 evenly set up along wheel hub 8 lateral surface, motor 2's transmission shaft and wheel hub 8 are connected, rotate the air supply with the drive wind wheel, water conservancy diversion leaf subassembly includes cylindrical mounting bracket 3 and sets up in a plurality of water conservancy diversion flabellum 4 of mounting bracket 3 lateral surface, 3 covers of mounting bracket are established outside being fixed in motor 2, the inner and the mounting bracket 3 detachably of water conservancy diversion flabellum 4 are connected, water conservancy diversion flabellum 4's outer end is connected with casing 1, play preliminary fixed to motor 2, the utility model discloses in, water conservancy diversion flabellum 4's quantity is 5 or more than 5, for example, water conservancy diversion flabellum 4's quantity is 6, 8, 10, 12, or, water conservancy diversion flabellum 4's quantity is 5, 7, 9, 11, water conservancy diversion flabellum 4 evenly sets up in 3 lateral surface, can be favorable to the fan to the volume of water conservancy diversion, and the volume of fan can be reduced by a wide margin.

The utility model discloses in mention "inner" and "outer end" use the axis that 8 places of wheel hub of motor 2 and wind wheel as the benchmark, be close to the axis for inner, keep away from the axis be the outer end, the same down.

As shown in fig. 3, the lateral surface of the mounting frame 3 is provided with a plurality of sets of protruding mounting platforms, the inner end of the flow guide fan blade 4 is provided with a mounting buckle connected with the protruding mounting platforms in an embedded manner, and the outer end of the flow guide fan blade 4 is provided with a mounting hole convenient for detachable connection. It can be easily understood that, when installation water conservancy diversion flabellum 4, earlier be connected water conservancy diversion flabellum 4's the inner with the mount table gomphosis of mounting bracket 3 side, then through screw nut with water conservancy diversion flabellum 4's outer end and casing 1 fixed connection again, because mounting bracket 3 and motor 2 fixed connection, the junction of mounting bracket 3 and water conservancy diversion flabellum 4 can be realized fixedly through simple gomphosis, more preferred, also can pass through the screw locking at the junction, further improves the bulk strength of fan.

As shown in fig. 4, the view angle of fig. 4 is taken as the main point, one side of the blade 9 is the sawtooth 11 side, which cuts and combs the large vortex generated at the air outlet into countless small vortices, and on the other hand, effectively separates and guides the viscous airflow at the root of the blade 9, so that the viscous airflow becomes ideal airflow, and is beneficial to reducing the noise generated when the fan rotates. Further, as shown in fig. 4 and 5, the outer end edge of the vane 9 is provided with a burring 12.

As shown in fig. 1, on one side of the motor 2, a circular protective mesh enclosure 5 is disposed at the housing 1, the middle portion of the protective mesh enclosure 5 is fixedly connected to the motor 2, and a plurality of connecting brackets 6 are disposed at the protective mesh enclosure 5, for example, four connecting brackets 6 are distributed in a cross shape, the connecting brackets 6 are radially disposed along the protective mesh enclosure 5, the outer ends of the connecting brackets 6 are fixedly connected to the housing 1, the inner ends of the connecting brackets 6 are fixedly connected to the mounting bracket 3, so as to achieve the fixed positioning of the guide vanes 4 in the housing 1, because the mounting bracket 3 is fixedly connected to the motor 2, thereby achieving the positioning of the motor 2 in the housing 1, further, a plurality of bracket mounting positions 7 are convexly disposed at the edge of the housing 1 on one side of the motor 2, so as to facilitate the fixed connection with the connecting brackets 6, and facilitate the space saving and the strength increase of the housing 1.

As shown in fig. 2, a wind deflector 10 is arranged at the housing 1 on one side of the wind wheel, and the wind deflector 10 is detachably connected with the housing 1. The air guide sleeve 10 can change the flow passage of part of the gas entering the shell 1, and effectively reduce the noise.

The utility model discloses in, the preferred EC intelligence fan that has energy-concerving and environment-protective advantage of motor 2, a plurality of drum axial fan can be through the operation of crowd accuse.

The utility model discloses regard as air intake on one side of the wind wheel, regard as the air outlet on one side of the motor 2, the wind wheel is located between guide vane subassembly and kuppe 10, no matter be the air inlet or the air outlet, there is the effect of noise reduction and improvement amount of wind, specifically, when the air passes through kuppe 10 on one side of the wind wheel, can reduce the air inlet noise, and under the impeller cutting effect of the band saw tooth 11 limit of wind wheel, the noise when the fan rotates can further descend; wind blown out by the wind wheel firstly passes through the diversion blade assembly, so that the pressure resistance of the fan is effectively improved, the air quantity of the fan with a high static pressure area is improved, the problem that the existing axial flow fan is difficult to consider noise reduction and high air quantity is solved, and in addition, because the motor 2 is positioned at the air outlet position, the heat dissipation of the motor 2 is also effectively improved, and the service life of the motor 2 is favorably prolonged. The utility model discloses an business turn over wind gap is circularly, conveniently realizes the air supply with the pipe connection, furtherly, the utility model discloses a water conservancy diversion flabellum 4 can dismouting or change in the water conservancy diversion leaf subassembly to obtain different performance fan products.

Further, a plurality of water conservancy diversion flabellum 4 are provided with first solid fixed ring outward, the lateral surface cover of mounting bracket 3 is established and is fixed with the solid fixed ring of second, the attached drawing does not show this scheme, water conservancy diversion flabellum 4's outer end and the solid fixed ring's of first inner wall detachably are connected, gu fixed ring's outer wall and casing 1 fixed connection, water conservancy diversion flabellum 4's the inner is connected with the solid fixed ring's of second inner wall detachably, also be a plurality of water conservancy diversion flabellum 4 and the solid fixed ring of first solid fixed ring and second form a whole as water conservancy diversion leaf replacement spare, can dismantle or install between mounting bracket 3 and casing 1, it is easy to understand, to water conservancy diversion flabellum 4 of even number, can change the structure of water conservancy diversion leaf subassembly through the mode of dismantling water conservancy diversion flabellum 4 and obtain the product of different performance, but to water conservancy diversion flabellum 4 of odd number, in order to guarantee water conservancy diversion flabellum 4 evenly setting outside mounting bracket 3, can not take the mode of dismantling or installing water conservancy diversion flabellum 4, the utility model discloses a whole water conservancy diversion flabellum replacement spare is realized the adjustment to the flabellum 4 of odd number.

Furthermore, the circumferential side surface of the casing 1 is provided with a connecting groove, the connecting ring is sleeved outside the connecting groove, the attached drawing is not shown, a connecting portion connected with external equipment is arranged on the connecting ring, for example, the connecting ring is provided with a connecting portion connected with an external bracket, or a plurality of hanging rings for integrally hanging the fan, or a connecting portion for connecting the fan with a front pipeline and a rear pipeline, or a hinge point connected with an external fixing ring, so as to adjust the air supply angle of the fan, it is easy to understand that when the fan is connected with the external equipment through the connecting ring, a bearing can be arranged between the connecting ring and the connecting groove, so that the fan can rotate in the connecting ring, in addition, an annular gasket for increasing friction force can also be arranged between the connecting ring and the connecting groove, so as to limit the rotation of the fan in the connecting ring. The specific setting can be determined according to actual requirements.

The embodiments provided by the present invention have been explained in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can also make several improvements and modifications, and these improvements and modifications also fall into the protection scope of the claims of the present invention.

Claims

1. The utility model provides a drum axial fan, its characterized in that, includes casing (1) and sets up motor (2), wind wheel and water conservancy diversion leaf subassembly in casing (1), the transmission shaft of motor (2) is connected with wheel hub (8) of wind wheel for order about the wind wheel and rotate, water conservancy diversion leaf subassembly includes annular mounting bracket (3) and along water conservancy diversion flabellum (4) that mounting bracket (3) lateral surface circumference evenly set up, motor (2) side is located to mounting bracket (3) cover, water conservancy diversion flabellum (4) are connected with mounting bracket (3) detachably, the outer end and the casing (1) of water conservancy diversion flabellum (4) are connected, casing (1) is in one side fixed protection screen panel (5) that sets up of motor (2), casing (1) is located one side fixed water conservancy diversion cover (10) that sets up of wind wheel.

2. The cylindrical axial flow fan according to claim 1, wherein a plurality of sets of convex mounting platforms are arranged on the outer side surface of the mounting frame (3), mounting buckles which are connected with the convex mounting platforms in an embedded mode are arranged at the inner ends of the flow guide fan blades (4), and mounting holes which are convenient to detachably connect are formed in the outer ends of the flow guide fan blades (4).

3. The axial flow cylindrical fan according to claim 1, wherein the blade (9) side of the wind wheel is provided with serrations (11).

4. The cylindrical axial fan according to claim 1, wherein the number of the guide vanes (4) is greater than or equal to 5.

5. The cylindrical axial flow fan according to claim 1, wherein the protective mesh enclosure (5) is provided with a plurality of connecting supports (6) along a radial direction, the outer ends of the connecting supports (6) are fixedly connected with the shell (1), and the inner ends of the connecting supports (6) are fixedly connected with the mounting frame (3) so as to improve the overall strength of the fan.

6. The cylindrical axial flow fan according to claim 1, wherein the outer end of the guide fan blades (4) is detachably connected with a first fixing ring, the inner end of the guide fan blades (4) is detachably connected with a second fixing ring, the first fixing ring is detachably connected with the housing (1), and the second fixing ring is detachably connected with the mounting frame (3).

7. The cylindrical axial flow fan according to claim 1, wherein the circumferential side surface of the casing (1) is provided with a connecting groove, the connecting ring is sleeved outside the connecting groove, and the connecting ring is provided with a connecting portion.

8. The cylindrical axial fan according to claim 7, wherein a bearing is provided in said connection groove, and said connection ring is connected to the bearing for allowing the connection ring to freely rotate outside the housing (1).

9. The cylindrical axial fan according to claim 7, wherein a gasket for increasing a friction force is provided in the coupling groove, and the coupling ring is provided outside the gasket for restricting the coupling ring from rotating outside the housing (1).