CN211648504U

CN211648504U - Novel centrifugal fan

Info

Publication number: CN211648504U
Application number: CN201922058965.7U
Authority: CN
Inventors: 徐明灿
Original assignee: Zhejiang Dangdai Fan Co ltd
Current assignee: Zhejiang Dangdai Fan Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-10-09
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a novel centrifugal fan, which comprises a fan main body and a supporting seat, the damping convenient device of the utility model consists of a supporting plate, a baffle plate, a fixing bolt, a base and a spring, when the centrifugal fan works, the generated vibration is transmitted to the supporting frame and is embedded on the base through the supporting frame, the vibration is counteracted through the supporting plate inside the base and the spring at the lower end of the supporting plate, so that the bolt on the base can not be influenced by the vibration, when the incoming line is disassembled and checked, the fixing bolt is grabbed by bare hands to rotate and unscrew, the baffle plate rotates by taking the fixing bolt as the original point to rotate the baffle plate to the right end of the base, the supporting frame slides out through a moving groove on the base, the damping convenient device has the advantages that the vibration generated by the work of the centrifugal fan is counteracted by the spring, the bolt can not, the bolt does not need to be unscrewed, and time and labor are saved.

Description

Novel centrifugal fan

Technical Field

The utility model belongs to the technical field of centrifugal fan is relevant, concretely relates to novel centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

The prior art has the following problems: present current fixed mode through a plurality of bolt fastening, carries out the during operation at centrifugal fan, and the support frame can receive the vibrations influence that centrifugal fan work produced, leads to the bolt not hard up, relatively wastes time and energy when overhauing the dismantlement moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel centrifugal fan to propose current fixed mode in solving above-mentioned background art, through a plurality of bolt fastening, carry out the during operation at centrifugal fan, the support frame can receive the vibrations influence that centrifugal fan work produced, leads to the bolt not hard up, relatively wastes time and energy when overhauing the dismantlement moreover problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel centrifugal fan, includes fan main part and supporting seat, the upper end of fan main part is provided with the air outlet, the left end middle part of air outlet is provided with the inlet scoop, the right-hand member upside pivot of fan main part is connected with the motor, the motor links to each other with the external power source electrical property, the right-hand member downside bolt fastening of fan main part has the support frame, the lower extreme bolt fastening of motor has the supporting seat, the supporting seat carries out welding support through the support frame, the lower extreme of support frame is inlayed and is had the convenient device of shock attenuation, the convenient device of shock attenuation includes backup pad, baffle, fixing bolt, base and spring, the inside lower extreme of base is evenly inlayed and is had the spring, the upper end of spring is inlayed and is had the backup pad, the upper.

Preferably, the middle part of the air suction opening is positioned in the inner rotating shaft of the fan main body and is connected with an impeller.

Preferably, the impeller includes wheel body, blade and bearing frame, the outer end of wheel body has evenly welded the blade, the middle part welding of blade has the bearing frame.

Preferably, the number of the support frames is four, and the motor and the fan main body are supported and fixed through the four support frames.

Preferably, the upper end of the base is provided with a moving groove, and the four support frames are embedded in the moving groove.

Preferably, the fan main body is made of a carbon steel shell material.

Preferably, the wheel body is connected with the motor through a bearing seat to rotate, the gas is accelerated and then decelerated through high-speed rotation, and then the flow direction is changed through the blades.

Preferably, the motor starts to rotate by being connected with a power supply, and the impeller in the fan main body is driven by the rotating shaft to suck gas from the air suction opening.

Compared with the prior art, the utility model provides a novel centrifugal fan possesses following beneficial effect:

1. the damping convenient device of the utility model consists of a supporting plate, a baffle, a fixing bolt, a base and a spring, the base bolt is fixed on the ground, a supporting frame provided with a motor and a fan is clamped through a moving groove on the base, the bare-handed baffle rotates by taking the fixing bolt as an original point to rotate the baffle to the upper end of the base to clamp and protect the edge of the moving groove, the fixing bolt is grasped by bare hands to rotate and tighten for fixation, when the centrifugal fan works, the generated vibration is transmitted to the supporting frame, the support frame is embedded on the base, the support plate in the base is used for supporting, the spring at the lower end of the support plate is used for offsetting the vibration, so that the bolt on the base is not influenced by the vibration, when the incoming line is disassembled and checked, the fixing bolt is grabbed by bare-handed hands to rotate and unscrew, the bare-handed baffle rotates the right end of the baffle to the base by taking the fixing bolt as the original point, and the support frame slides out through the movable groove on the base.

2. The utility model discloses convenient device beneficial effect of shock attenuation is current fixed mode, through a plurality of bolt fastening, carry out the during operation at centrifugal fan, the support frame can receive the vibrations influence that centrifugal fan work produced, lead to the bolt not hard up, moreover overhaul when dismantling time consuming and energy consuming relatively, vibrations that make centrifugal fan work produce through the convenient device of shock attenuation are offset by the spring, can not lead to the bolt not hard up, shift out the base with the support frame fast during the maintenance, need not twist off the bolt, labour saving and time saving.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a novel centrifugal fan provided by the present invention;

fig. 2 is a schematic structural view of a novel centrifugal fan damping convenient device provided by the utility model;

fig. 3 is a schematic view of a main view structure of a centrifugal fan according to the present invention;

fig. 4 is a schematic structural view of a novel centrifugal fan impeller provided by the present invention;

in the figure: 1. a motor; 2. a supporting seat; 3. a support frame; 4. a shock absorption convenient device; 5. a fan main body; 6. an air suction opening; 7. an air outlet; 8. an impeller; 41. a support plate; 42. a baffle plate; 43. fixing the bolt; 44. a base; 45. a spring; 81. a wheel body; 82. a blade; 83. and a bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a novel centrifugal fan comprises a fan main body 5 and a supporting seat 2, wherein the fan main body 5 is made of carbon steel shell material, wherein the blower main body 5 has high toughness and is not easy to damage, the upper end of the blower main body 5 is provided with an air outlet 7, the middle part of the left end of the air outlet 7 is provided with an air suction opening 6, the middle part of the air suction opening 6 positioned in the inner rotating shaft of the blower main body 5 is connected with an impeller 8, the impeller 8 comprises a wheel body 81, a blade 82 and a bearing seat 83, the wheel body 81 is connected with the motor 1 through the bearing seat 83 for rotation, the gas is accelerated and then decelerated through high-speed rotation, and then the flow direction, wherein the gas outflow direction is the same as the inclination direction of the blades 82, the blades 82 are uniformly welded at the outer end of the wheel body 81, the bearing seat 83 is welded at the middle part of the blades 82, wherein the impeller 8 is driven by the motor means, wherein the rotation of the impeller 8 causes the gas to rotate and change the flow direction.

The utility model provides a novel centrifugal fan, right-hand member upside pivot including fan main part 5 is connected with motor 1, motor 1 begins to rotate through connecting power, it inhales gas from inlet scoop 6 with the impeller 8 of 5 inside fan main parts to drive through the pivot, through 8 high-speed rotatory with gas with higher speed then of impeller, the speed reduction change flow direction is with gas from 7 discharges of air outlet, wherein make the gas flow direction change through the centrifugal fan transmission, motor 1 links to each other with the external power source electrical property, fan main part 5's right-hand member downside bolt fastening has support frame 3, support frame 3 is provided with four altogether, support frame 3 supports fixedly with motor 1 and fan main part 5 through four support frames, wherein make centrifugal fan during operation can not drop through four support frames 3, motor 1's lower extreme bolt fastening has supporting seat 2, supporting seat 2 carries out the welding support through support frame.

The utility model provides a novel centrifugal fan, it has convenient device 4 of shock attenuation to inlay including the lower extreme of support frame 3, convenient device 4 of shock attenuation includes backup pad 41, baffle 42, fixing bolt 43, base 44 and spring 45, base 44 upper end is provided with the shifting chute, and four support frames 3 inlay in the shifting chute, wherein carry out the joint through the shifting chute on the base 44 with the support frame 3 of installing motor 1 and fan, bare-handed baffle 42 uses fixing bolt 43 to rotate as the original point and blocks the protection with baffle 42 to the upper end of base 44 with the shifting chute edge, bare-handed seizing fixing bolt 43 rotates to screw up fixedly, the inside lower extreme of base 44 evenly inlays and has spring 45, inlay and there is backup pad 41 spring 45's upper end, base 44's the upper right side pivot is connected with baffle 42, the middle part of baffle 42 is inlayed and is had fixing bolt 43.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the centrifugal fan is installed and fixed through the damping convenient device 4, the base 44 is fixed on the ground through bolts, the support frame 3 provided with the motor 1 and the fan is clamped through the moving groove on the base 44, the baffle 42 rotates by taking the fixing bolt 43 as the original point, the baffle 42 rotates to the upper end of the base 44 to block the edge of the moving groove for protection, the fixing bolt 43 is grabbed by hands to rotate and tighten and fix, the motor 1 with the model of FW11A-2 starts to rotate through the connection power supply, the impeller 8 in the fan main body 5 is driven to rotate through the rotating shaft, the wheel body 81 is connected and rotated with the rotating shaft of the motor 1 through the bearing seat 83, gas is sucked from the air suction inlet 6, the gas is accelerated and then decelerated through high-speed rotation, the flow direction is changed through the blades 82, and the gas is discharged from the air outlet 7, the vibrations that the during operation of motor 1 produced are conveyed on support frame 3, inlay on base 44 through support frame 3, support through the inside backup pad 41 of base 44, offset vibrations through spring 45 of backup pad 41 lower extreme, make the bolt on the base 44 not influenced by vibrations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel centrifugal fan, includes fan main part (5) and supporting seat (2), its characterized in that: the air outlet (7) is arranged at the upper end of the fan main body (5), the air suction opening (6) is arranged in the middle of the left end of the air outlet (7), the motor (1) is connected to the upper side of the right end of the fan main body (5) in a rotating mode, the motor (1) is electrically connected with an external power supply, the support frame (3) is fixed to the lower side of the right end of the fan main body (5) in a bolt mode, the support base (2) is fixed to the lower end of the motor (1) in a bolt mode, the support base (2) is supported by welding through the support frame (3), the shock absorption convenient and fast device (4) is embedded to the lower end of the support frame (3), the shock absorption convenient and fast device (4) comprises a support plate (41), a baffle plate (42), a fixing bolt (43), a base (44) and a spring (45) which is uniformly embedded to, the upper right side rotating shaft of the base (44) is connected with a baffle (42), and a fixing bolt (43) is embedded in the middle of the baffle (42).

2. The novel centrifugal fan according to claim 1, characterized in that: the middle part of the air suction opening (6) is positioned in the inner rotating shaft of the fan main body (5) and is connected with an impeller (8).

3. The novel centrifugal fan according to claim 2, characterized in that: impeller (8) are including wheel body (81), blade (82) and bearing frame (83), the outer end of wheel body (81) evenly welds blade (82), the middle part welding of blade (82) has bearing frame (83).

4. The novel centrifugal fan according to claim 1, characterized in that: the four supporting frames (3) are arranged, and the motor (1) and the fan main body (5) are supported and fixed through the four supporting frames (3).

5. The novel centrifugal fan according to claim 1, characterized in that: the upper end of the base (44) is provided with a moving groove, and the four support frames (3) are embedded in the moving groove.

6. The novel centrifugal fan according to claim 1, characterized in that: the fan main body (5) is made of carbon steel shell materials.

7. The novel centrifugal fan according to claim 3, characterized in that: the wheel body (81) is connected with the motor (1) through a bearing seat (83) to rotate, gas is accelerated and then decelerated through high-speed rotation, and then the flow direction is changed through the blades (82).

8. The novel centrifugal fan according to claim 1, characterized in that: the motor (1) starts to rotate by being connected with a power supply, the impeller (8) inside the fan main body (5) is driven by the rotating shaft to suck gas from the air suction opening (6), the gas is accelerated by the high-speed rotation of the impeller (8), and then the gas is discharged from the air outlet (7) by changing the flow direction through deceleration.