CN216009033U

CN216009033U - Air blower convenient to change blade

Info

Publication number: CN216009033U
Application number: CN202121683890.2U
Authority: CN
Inventors: 朱凯宏
Original assignee: Changzhou Yuanyi Electromechanical Equipment Co ltd
Current assignee: Changzhou Yuanyi Electromechanical Equipment Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-03-11
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to an air blower convenient for blade replacement, which comprises a blower shell, wherein a convenient-to-detach device, a protective device and an adjusting device are arranged on the blower shell, the convenient-to-detach device comprises an air inlet cylinder, a rotating shaft, a first mounting plate, a second mounting plate, blades and a fastening sleeve, the air inlet cylinder is connected with the blower shell through bolts, one end of the rotating shaft is arranged outside the blower shell, the other end of the rotating shaft sequentially penetrates through the blower shell and the first mounting plate and is rotatably connected with the blower shell and is slidably connected with the first mounting plate, the fastening sleeve is sleeved on the outer side of the rotating shaft in a threaded manner, and two ends of the blades are respectively connected with the first mounting plate and the second mounting plate. According to the utility model, the air inlet cylinder can be detached from the fan shell by arranging the convenient detaching device, and then the first mounting plate, the second mounting plate and the blades are detached to replace or clean the blades.

Description

Air blower convenient to change blade

Technical Field

The utility model relates to the technical field of blowers, in particular to a blower with blades convenient to replace.

Background

The air blower has a rotor rotating at high speed, the blades on the rotor drive the air to move at high speed, and the centrifugal force makes the air flow along the involute to the outlet of the air blower in the involute-shaped casing.

Patent No. CN201921039659.2 discloses a blower with less friction molecules, in which the blades of the blower are not easily removed for replacement or cleaning; in addition, the blower is inconvenient to move, is not easy to install when used outdoors, and the motor is easy to heat when the sunlight is sufficient and is easy to enter water when the weather is rainy or snowy; meanwhile, sometimes limited by places, the motor and the fan blade need to be connected through a belt, but the belt is easy to lengthen after being used for a long time, and the belt is easy to fall off from the belt wheel.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the problems in the prior art, the utility model provides the air blower with the blades convenient to replace, so as to solve the technical problems mentioned in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an air blower convenient for blade replacement comprises a blower shell, wherein a convenient-to-detach device, a protective device and an adjusting device are arranged on the blower shell, the convenient-to-detach device comprises an air inlet cylinder, a rotating shaft, a first mounting plate, a second mounting plate, blades and a fastening sleeve, the air inlet cylinder is in bolted connection with the blower shell, one end of the rotating shaft is arranged outside the blower shell, the other end of the rotating shaft sequentially penetrates through the blower shell and the first mounting plate and is rotatably connected with the blower shell and slidably connected with the first mounting plate, the fastening sleeve is sleeved on the outer side of the rotating shaft in a threaded manner, and two ends of the blades are respectively connected with the first mounting plate and the second mounting plate; the protection device comprises a support frame and a rain shielding plate, the fan shell and the adjusting device are arranged on the support frame, the rain shielding plate is connected with the support frame, and the adjusting device is arranged above the rain shielding plate.

Preferably, the adjusting device comprises a motor, a first belt wheel, a second belt wheel, a belt and a tensioning mechanism, the motor is arranged on the support frame, the first belt wheel is sleeved outside a motor shaft of the motor, the second belt wheel is sleeved outside the rotating shaft, and the second belt wheel is connected with the first belt wheel through the belt. The design of adjusting device can make the belt be in the tensioning state all the time, improves and prevents that the belt from lengthening when using and leading to droing from first band pulley and second band pulley.

In further preferred, the tight mechanism that rises includes tight wheel, mounting bracket, slider, connecting axle and spring that rises, the mounting bracket with the support frame is connected, the tight wheel that rises cup joints outside the connecting axle, and with the belt cooperation, the slider be equipped with two, and respectively with the both ends of connecting axle are connected, and are connected with mounting bracket slidable, the spring is equipped with two, and just all both ends are connected with slider and support frame respectively. The design of the tensioning mechanism can reset from a compression state through the spring, so that the tensioning wheel moves, and the belt is always in a tensioning state.

In a further preferred mode, the support frame is provided with a connecting groove, and the motor and the connecting groove are connected through a bolt. The design of spread groove can make the motor be convenient for install on the support frame.

In a further preferred mode, the support frame is provided with a bearing sleeve, and the rotating shaft penetrates through the bearing sleeve and is rotatably connected with the bearing sleeve. The bearing sleeve is designed to support the rotating shaft.

Preferably, the two ends of each blade are provided with connecting pieces, each connecting piece is provided with a through hole, and the first mounting plate and the second mounting plate are connected with the through holes through bolts. The design of connecting piece can make the blade be convenient for dismantle on first mounting panel and second mounting panel.

In a further preferred mode, a moving wheel is arranged below the supporting frame. The design of the moving wheel can facilitate the movement of the supporting frame.

In a further preferred mode, the fan housing is provided with an air outlet cylinder. The design of the air outlet cylinder can discharge compressed air.

(III) advantageous effects

Compared with the prior art, the utility model provides the air blower with the blades convenient to replace, which has the following beneficial effects:

according to the utility model, the air inlet cylinder can be detached from the fan shell by arranging the convenient detaching device, and then the first mounting plate, the second mounting plate and the blades are detached to replace or clean the blades; in addition, by arranging the protective device, when the air blower is used outdoors, the motor can be prevented from overheating or water entering through the rain shield plate for preventing rain or sun shading, and the air blower can be conveniently moved to a place needing to work through the arrangement of the moving wheel; simultaneously, through setting up adjusting device, can make the belt be in the tensioning state all the time, improve and prevent that the belt from lengthening when using and leading to droing from first band pulley and second band pulley.

Drawings

FIG. 1 is a schematic view of the overall construction of a blower of the present invention with the vanes easily replaced;

FIG. 2 is a partial schematic view of the area A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of another embodiment of the present invention;

fig. 4 is a schematic structural view of the device for facilitating detachment in the present invention.

In the figure: 1. a fan housing; 2. an air inlet cylinder; 3. a rotating shaft; 4. a first mounting plate; 5. a second mounting plate; 6. a blade; 7. fastening sleeves; 8. a support frame; 9. a flashing; 10. a motor; 11. a first pulley; 12. a second pulley; 13. a belt; 14. a tension wheel; 15. a mounting frame; 16. a slider; 17. a connecting shaft; 18. a spring; 19. connecting grooves; 20. a bearing housing; 21. connecting sheets; 22. a through hole; 23. a moving wheel; 24. an air outlet cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-4, an air blower convenient for blade replacement includes a blower housing 1, a device convenient for detachment, a protection device and an adjustment device are provided on the blower housing 1, the device convenient for detachment includes an air inlet barrel 2, a rotation shaft 3, a first mounting plate 4, a second mounting plate 5, a blade 6 and a fastening sleeve 7, the air inlet barrel 2 is connected with the blower housing 1 by a bolt, one end of the rotation shaft 3 is disposed outside the blower housing 1, the other end of the rotation shaft 3 sequentially penetrates through the blower housing 1 and the first mounting plate 4, and is rotatably connected with the blower housing 1 and slidably connected with the first mounting plate 4, the fastening sleeve 7 is sleeved outside the rotation shaft 3 by a thread, and two ends of the blade 6 are respectively connected with the first mounting plate 4 and the second mounting plate 5; the protector includes support frame 8 and dash board 9, fan shell 1 and adjusting device all sets up on support frame 8, dash board 9 and support frame 8 are connected, and set up adjusting device's top. A moving wheel 23 is arranged below the support frame 8. An air outlet cylinder 24 is arranged on the fan shell 1.

In this embodiment, the adjusting device includes a motor 10, a first pulley 11, a second pulley 12, a belt 13 and a tensioning mechanism, the motor 10 is disposed on the supporting frame 8, the first pulley 11 is sleeved outside a motor shaft of the motor 10, and the second pulley 12 is sleeved outside the rotating shaft 3 and connected to the first pulley 11 through the belt 13. The supporting frame 8 is provided with a connecting groove 19, and the motor 10 is connected with the connecting groove 19 through a bolt. The supporting frame 8 is provided with a bearing sleeve 20, and the rotating shaft 3 penetrates through the bearing sleeve 20 and is rotatably connected with the bearing sleeve 20. When the blade mounting device is used, the motor 10 is started to drive the first belt wheel 11 to rotate, then the belt 13 drives the second belt wheel 12 to rotate, then the rotating shaft 3 drives the first mounting plate 4 to rotate, and finally the blade 6 is driven to rotate.

In this embodiment, the tight mechanism that rises includes tight pulley 14, mounting bracket 15, slider 16, connecting axle 17 and spring 18 that rises, mounting bracket 15 with support frame 8 connects, tight pulley 14 cup joints outside the connecting axle 17, and with the belt 13 cooperation, slider 16 is equipped with two, and respectively with the both ends of connecting axle 17 are connected, and connect with mounting bracket 15 slidable, spring 18 is equipped with two, and all both ends are connected with slider 16 and support frame 8 respectively. When the belt tensioning device is used, the tensioning wheel 14 is matched with the belt 13, the spring 18 is in a compression state at the moment, the belt 13 gradually lengthens in the using process, the spring 18 gradually resets, the sliding block 16 is driven to move on the mounting frame 15, the tensioning wheel 14 is driven to move outwards, and the belt 13 is tensioned.

In this embodiment, the two ends of the blade 6 are both provided with connecting pieces 21, the connecting pieces 21 are provided with through holes 22, and the first mounting plate 4 and the second mounting plate 5 are both connected with the through holes 22 through bolts. When the novel fan is used, when the blades 6 need to be replaced or cleaned, the air inlet cylinder 2 is detached from the fan shell 1, the screw threads of the fastening sleeve 7 and the rotating shaft 3 are unscrewed, the first mounting plate 4, the second mounting plate 5 and the blades 6 are taken out together, the bolts between the blades 6 and the first mounting plate 4 as well as between the blades 6 and the second mounting plate 5 are unscrewed, and the blades 6 are replaced or cleaned.

Example 2:

in summary, when in use, the motor 10 is started to drive the first belt pulley 11 to rotate, and then the belt 13 drives the second belt pulley 12 to rotate, and then the rotating shaft 3 drives the first mounting plate 4 to rotate, and finally the blade 6 to rotate; the tension wheel 14 is matched with the belt 13, the spring 18 is in a compressed state at the moment, the belt 13 gradually lengthens in the using process, the spring 18 gradually resets, the sliding block 16 is driven to move on the mounting frame 15, the tension wheel 14 is driven to move outwards, and the belt 13 is tensioned.

Example 3:

in conclusion, when the air inlet device is used and the blades 6 need to be replaced or cleaned, the air inlet cylinder 2 is detached from the fan shell 1, the screw threads of the fastening sleeve 7 and the rotating shaft 3 are unscrewed, the first mounting plate 4, the second mounting plate 5 and the blades 6 are taken out together, the bolts between the blades 6 and the first mounting plate 4 as well as between the blades 6 and the second mounting plate 5 are unscrewed, and the blades 6 are replaced or cleaned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a blower convenient to change blade, includes fan housing (1), its characterized in that: the fan is characterized in that a convenient-to-detach device, a protective device and an adjusting device are arranged on the fan shell (1), the convenient-to-detach device comprises an air inlet cylinder (2), a rotating shaft (3), a first mounting plate (4), a second mounting plate (5), blades (6) and a fastening sleeve (7), the air inlet cylinder (2) is connected with the fan shell (1) through bolts, one end of the rotating shaft (3) is arranged outside the fan shell (1), the other end of the rotating shaft penetrates through the fan shell (1) and the first mounting plate (4) in sequence, the fan shell (1) is rotatably connected with the first mounting plate (4) in a sliding mode, the fastening sleeve (7) is sleeved on the outer side of the rotating shaft (3) in a threaded mode, and two ends of the blades (6) are connected with the first mounting plate (4) and the second mounting plate (5) respectively; the protection device comprises a support frame (8) and a rain shielding plate (9), the fan shell (1) and the adjusting device are arranged on the support frame (8), the rain shielding plate (9) is connected with the support frame (8), and the adjusting device is arranged above the fan shell.

2. A blower facilitating replacement of a blade as set forth in claim 1, wherein: the adjusting device comprises a motor (10), a first belt wheel (11), a second belt wheel (12), a belt (13) and a tensioning mechanism, wherein the motor (10) is arranged on the support frame (8), the first belt wheel (11) is sleeved outside a motor shaft of the motor (10), the second belt wheel (12) is sleeved outside the rotating shaft (3) and is connected with the first belt wheel (11) through the belt (13).

3. A blower facilitating replacement of a blade as set forth in claim 2, wherein: the tensioning mechanism comprises a tensioning wheel (14), a mounting frame (15), a slider (16), a connecting shaft (17) and a spring (18), the mounting frame (15) is connected with the supporting frame (8), the tensioning wheel (14) is sleeved outside the connecting shaft (17), the belt (13) is matched with the tensioning mechanism, the slider (16) is provided with two ends which are respectively connected with two ends of the connecting shaft (17) and connected with the mounting frame (15) in a sliding manner, and the spring (18) is provided with two ends which are respectively connected with the slider (16) and the supporting frame (8).

4. A blower facilitating replacement of a blade as set forth in claim 2, wherein: the supporting frame (8) is provided with a connecting groove (19), and the motor (10) is connected with the connecting groove (19) through a bolt.

5. A blower facilitating replacement of a blade as set forth in claim 1, wherein: the supporting frame (8) is provided with a bearing sleeve (20), and the rotating shaft (3) penetrates through the bearing sleeve (20) and is rotatably connected with the bearing sleeve (20).

6. A blower facilitating replacement of a blade as set forth in claim 1, wherein: both ends of blade (6) all are equipped with connection piece (21), be equipped with through-hole (22) on connection piece (21), first mounting panel (4) and second mounting panel (5) all pass through bolted connection with through-hole (22).

7. A blower facilitating replacement of a blade as set forth in claim 1, wherein: and a movable wheel (23) is arranged below the support frame (8).

8. A blower facilitating replacement of a blade as set forth in claim 1, wherein: an air outlet cylinder (24) is arranged on the fan shell (1).