CN216044600U

CN216044600U - Weight reduction impeller of centrifugal blower

Info

Publication number: CN216044600U
Application number: CN202121915250.XU
Authority: CN
Inventors: 刘艳华; 林立庆; 吴玲; 尹本坤
Original assignee: Jinan Fan Factory Co ltd
Current assignee: Jinan Fan Factory Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-03-15
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a weight-reducing impeller of a centrifugal blower, which comprises a casing, wherein the casing is used for installing and fixing internal devices, the center of the front wall of the casing is in bolted connection with a dustproof frame and is used for fixing the position of a dustproof net, and meanwhile, the dustproof frame is convenient to install and disassemble, the center of the front wall of the casing and the position of the rear wall of the dustproof frame are in bolted connection with a plurality of fixing rods and are used for fixing the positions of the fixing rods, the intersecting positions of the fixing rods are fixedly connected with the fixing blocks and are used for stabilizing the position of a main shaft so as to enable the main shaft to stably rotate, and the bottom of the casing is in bolted connection with a supporting plate and is used for fixing and supporting the position of the casing. The rotating impeller in the fan is arranged to reduce weight, so that energy consumption is reduced when the impeller is driven, and meanwhile, the dustproof device is arranged on the outer side, so that when the fan is used, large objects are prevented from entering and the fan is prevented from being damaged.

Description

Weight reduction impeller of centrifugal blower

Technical Field

The utility model relates to the technical field of application of weight-reducing impellers in fans, in particular to a weight-reducing impeller of a centrifugal blower.

Background

The working principle of the centrifugal blower is mainly that a plurality of rotating impellers are utilized to do work on gas, the kinetic energy of the gas is increased, and then the pressure of the gas is improved through the centrifugal action and the diffusion process, so that certain air volume and air pressure are achieved, and the technical effect of large-flow high-pressure air supply is achieved.

When the frequently used centrifugal blower is used, the impeller arranged in the centrifugal blower is generally made of steel, the strength is high, the service life is long, but the weight of the steel causes a large amount of energy to be consumed when the centrifugal blower is used, and meanwhile, a traditional blower is not provided with a protection device at an air inlet, so that large objects are sucked, and the inside of the traditional blower is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a weight-reducing impeller of a centrifugal blower, wherein the weight-reducing impeller is arranged on a rotating impeller in the blower so as to reduce energy consumption when the impeller is driven, and meanwhile, a dustproof device is arranged on the outer side so as to prevent large objects from entering and damaging the blower when the impeller is used.

In order to solve the technical problems, the utility model adopts a technical scheme that: the weight-reducing impeller comprises a casing, a dust-proof frame, a plurality of fixing rods, a fixing block, a supporting plate, a base and a positioning frame, wherein the dust-proof frame is connected to the center of the front wall of the casing through bolts, the fixing block is used for fixing the position of the dust-proof net, and the positioning frame is fixedly connected to the position, far away from the supporting plate, of the top of the base, the positioning frame is used for fixing the position of the motor, the top of the positioning frame is connected with the motor through a bolt and used for driving the main shaft to rotate, a rotating mechanism penetrates through the center of the rear wall of the shell and is convenient to reduce radial force in the rotating process of the main shaft, the rotating mechanism penetrates through the rear wall of the shell and is in bolt connection with the rear wall of the shell and is convenient to disassemble and maintain, the end face of a driving shaft of the motor is fixedly connected with the main shaft and is used for driving the impeller to rotate, the main shaft penetrates through the rotating mechanism, the outer wall of the main shaft is fixedly connected with the inner wall of the rotating mechanism and is convenient to rotate, and the outer wall of the main shaft penetrates through the impeller and is used for extruding air in the shell;

the impeller includes the dull and stereotyped back plate for carry out the fixed of position to the blade, drive its rotation simultaneously, a plurality of evenly distributed's of lateral wall fixedly connected with blade of dull and stereotyped back plate for to the extrusion of inside air, dull and stereotyped back plate center department symmetry fixedly connected with reinforcing plate is convenient for to the stable fixed of impeller.

Preferably, the casing is semi-open type setting, and the later stage of being convenient for is to inside maintenance, the casing is made by the steel sheet, makes it firm reliable.

Preferably, the top of the casing is provided with an air outlet, which is convenient for discharging the air inside.

Preferably, the dustproof net is fixedly connected inside the dustproof frame, so that large external objects are prevented from being sucked.

Preferably, the impeller is made of aluminum alloy, the impeller can be used for a long time by utilizing the advantages of light weight, softness, good strength and good corrosion resistance of the aluminum alloy, the energy consumption of the fan is reduced, and the reinforcing plate is made of a steel plate, so that the impeller can be stably rotated.

Preferably, the end face of the main shaft, which is far away from the rotating mechanism, is rotatably connected with the center of the fixed block and is used for stably rotating the main shaft.

Preferably, the main shaft is connected with the reinforcing plate through a mounting plate fixedly connected with the outer wall of the main shaft, so that the main shaft is convenient to mount and dismount with the impeller.

The utility model has the following beneficial effects:

1. according to the weight-reducing impeller of the centrifugal blower, aluminum alloy is arranged on the impeller inside the blower, so that the characteristics of light weight and softness are utilized, energy consumption is reduced during use, and the working efficiency is improved;

2. according to the weight-reducing impeller of the centrifugal blower, the protective device is arranged at the air inlet of the centrifugal blower, so that the damage to the inside of the blower caused by sucking large objects in the process of working is avoided, and the service life of the centrifugal blower is prolonged.

Drawings

FIG. 1 is a schematic structural view of a weight reducing impeller for a centrifugal blower in accordance with the present invention;

FIG. 2 is a front view of a centrifugal blower weight reduction impeller housing of the present invention;

FIG. 3 is a side view of a centrifugal blower weight reduction impeller housing of the present invention;

fig. 4 is a side sectional view of a centrifugal blower weight reduction impeller housing of the present invention.

In the figure: 1. a housing; 101. an air outlet; 2. a dust-proof frame; 21. a dust screen; 3. fixing the rod; 4. a fixed block; 5. a support plate; 6. a base; 7. a positioning frame; 8. a motor; 9. a main shaft; 10. a rotating mechanism; 11. a flat plate back plate; 111. a blade; 112. a reinforcing plate.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1 and 2, a weight-reducing impeller for a centrifugal blower includes a casing 1 for fixing and installing an internal device, the casing 1 is a semi-open type casing for facilitating later maintenance of the internal device, the casing 1 is made of steel plate and is firm and reliable, an air outlet 101 is formed at the top of the casing 1 for facilitating discharge of internal air, a dust-proof frame 2 is bolted at the center of the front wall of the casing 1 for fixing the position of a dust-proof net 51 and facilitating installation and disassembly of the dust-proof frame 5, a dust-proof net 21 is fixedly connected inside the dust-proof frame 2 for preventing suction of external large objects, a plurality of fixing rods 3 are bolted at the center of the front wall of the casing 1 and at the position of the rear wall of the dust-proof frame 2 for fixing the position of the fixing rods 4, fixing blocks 4 are fixedly connected at the intersecting positions of the fixing rods 3 for position stabilization of a main shaft 9, thereby make its stable rotation, the outer wall of main shaft 9 runs through and is provided with the impeller, be used for extrudeing the air in the casing 1, the impeller is made for the aluminum alloy, utilize the matter of aluminum alloy light and soft, good strength, advantage that corrosion resistance is good, make its use that can be long-time, and reduce the energy consumption to the fan, reinforcing plate 112 is made for the steel sheet, be convenient for to the stable rotation of impeller, the impeller includes dull and stereotyped back plate 11, be used for carrying out the fixed of position to blade 111, drive its rotation simultaneously, the blade 111 of a plurality of evenly distributed of lateral wall fixedly connected with of dull and stereotyped back plate 11, be used for the extrusion to inside air, dull and stereotyped back plate 11 center department symmetry fixedly connected with reinforcing plate 112, be convenient for to the stable fixed of impeller.

As shown in fig. 3 and 4, the bottom of the casing 1 is bolted with a support plate 5 for fixing and supporting the position of the casing 1, the bottom of the support plate 5 is fixedly connected with a base 6 for fixing the position of the whole fan, the top of the base 6, which is far away from the support plate 5, is fixedly connected with a positioning frame 7 for fixing the position of a motor 8, the top of the positioning frame 7 is bolted with a motor 8 for driving a spindle 9 to rotate, the end surface of the spindle 9, which is far away from a rotating mechanism 10, is rotatably connected with the center of a fixed block 4 for stably rotating the spindle 9, the spindle 9 is bolted with a reinforcing plate 112 through a mounting plate fixedly connected with the outer wall of the spindle 9 for facilitating the mounting and dismounting of an impeller, the center of the rear wall of the casing 1 is provided with a rotating mechanism 10 in a penetrating manner for reducing the radial force during the rotation of the spindle 9, the rotating mechanism 10 penetrates through the rear wall of the casing 1, and is connected with it by bolt, the easy to detach maintenance, and the drive shaft terminal surface fixedly connected with main shaft 9 of motor 8 is used for driving the rotation of impeller, and main shaft 9 runs through slewing mechanism 10, and the outer wall of main shaft 9 is fixed connection with the inner wall of slewing mechanism 10, is convenient for main shaft 9 to rotate.

When the utility model is used.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A centrifugal blower subtracts heavy impeller, includes casing (1), its characterized in that: the dustproof device is characterized in that a dustproof frame (2) is connected to the center of the front wall of the casing (1) through a bolt, a plurality of fixing rods (3) are connected to the center of the front wall of the casing (1) and are located at the position of the rear wall of the dustproof frame (2) through a bolt, fixing blocks (4) are fixedly connected to the intersecting positions of the fixing rods (3), a supporting plate (5) is connected to the bottom of the casing (1) through a bolt, a base (6) is fixedly connected to the bottom of the supporting plate (5), a positioning frame (7) is fixedly connected to the position, far away from the supporting plate (5), of the top of the base (6), a motor (8) is connected to the top of the positioning frame (7) through a bolt, a rotating mechanism (10) penetrates through the center of the rear wall of the casing (1) and is connected with the rear wall of the casing (1) through a bolt, and a main shaft (9) is fixedly connected to the end face of the motor (8), the main shaft (9) penetrates through the rotating mechanism (10), the outer wall of the main shaft (9) is fixedly connected with the inner wall of the rotating mechanism (10), and an impeller penetrates through the outer wall of the main shaft (9);

the impeller comprises a flat plate back plate (11), the side wall of the flat plate back plate (11) is fixedly connected with a plurality of uniformly distributed blades (111), and the center of the flat plate back plate (11) is symmetrically and fixedly connected with a reinforcing plate (112).

2. A centrifugal blower weight-reduction impeller according to claim 1, wherein: the casing (1) is arranged in a semi-open mode, and the casing (1) is made of steel plates.

3. A centrifugal blower weight-reduction impeller according to claim 1, wherein: an air outlet (101) is formed in the top of the machine shell (1).

4. A centrifugal blower weight-reduction impeller according to claim 1, wherein: the inside fixedly connected with dust screen (21) of dustproof frame (2).

5. A centrifugal blower weight-reduction impeller according to claim 1, wherein: the impeller is made of aluminum alloy, and the reinforcing plate (112) is made of steel plate.

6. A centrifugal blower weight-reduction impeller according to claim 1, wherein: the end face, far away from the rotating mechanism (10), of the main shaft (9) is rotatably connected with the center of the fixing block (4).

7. A centrifugal blower weight-reduction impeller according to claim 1, wherein: the main shaft (9) is connected with the reinforcing plate (112) in a bolt mode through a mounting plate fixedly connected with the outer wall of the main shaft.