Fan with stable support

Abstract

The utility model discloses a fan with a stable support, and relates to the technical field of fans. The top surface of the bottom frame is fixedly provided with a wind shell, the right lower part of the wind shell is communicated with a wind outlet pipe, the left lower part of the bottom frame is provided with a motor, the inner wall of the wind shell is rotatably connected with a fan cylinder, the inner wall of the fan cylinder is rotatably connected with an inner shaft, and the circumferential side surfaces of the fan cylinder and the inner shaft are in transmission connection with the motor through belts; a supporting plate a rotationally connected with the inner shaft and a supporting plate b rotationally connected with the fan cylinder are fixedly installed on the top face of the bottom frame, an air filtering cylinder driven by the inner shaft is rotationally connected between the opposite surfaces of the supporting plate a and the fan cylinder, and one end of an air outlet of the air filtering cylinder is rotationally communicated with the fan cylinder. Through the arrangement of the bottom frame, the support a, the support b and the self-cleaning assembly, on one hand, the gravity center of the fan can be effectively lowered, then the stability of a bottom supporting structure of the fan is effectively improved, and on the other hand, a single supporting mechanism of a traditional fan is changed into a bottom supporting and side supporting double structure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fan technical field, especially, a kind of fan with stable support. BACKGROUND

[0002] Centrifugal fan is according to the principle of kinetic energy conversion into potential energy, using high-speed rotating impeller to accelerate gas, then deceleration, change flow direction, make kinetic energy conversion into potential energy, be widely used in factory, mine, tunnel, cooling tower, vehicle, ship and building ventilation, dust removal and cooling, in prior art, there have appeared multiple forms of fan, such as the patent document with the publication number CN212959303U discloses a centrifugal fan with good stability by using baffle to block the support limiting, to further enhance the stability of machine body, and by adjusting the height of baffle, the shock-absorbing elasticity of fan can be adjusted, so that the fan not only has good stability, but also excellent shock-absorbing performance, but for fan, motor is main heavy structure, and the installation position of motor in the above-mentioned fan is higher, so the gravity center of fan during work cannot be effectively reduced, so the stability of fan during work is easily affected, and the existing fan is only provided with bottom support structure, so the stability is poor, and the existing fan lacks self-cleaning mechanism for dust filtering structure during work, based on this, the utility model provides a fan with stable support to solve the problems raised in the above background art. SUMMARY

[0003] The utility model aims at providing a fan with stable support, by the setting of underframe, support a, support b and self-cleaning assembly, the problem of poor stability of existing fan and lack of self-cleaning mechanism for fan dust filtering structure during work is solved.

[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0005] The utility model discloses a fan with stable support, including underframe, the top surface fixed mounting of underframe has the wind shell, the lower right of wind shell is connected with the air outlet pipe, the lower left of underframe is installed with motor, the inner wall rotation of wind shell is connected with the fan cylinder, the inner wall rotation of fan cylinder is connected with inner shaft, the periphery of fan cylinder and inner shaft is connected with motor transmission through belt, the top surface of underframe is fixedly installed with the support plate a of rotation with inner shaft and the support plate b of rotation with fan cylinder respectively, the opposite surface between support plate a and fan cylinder is rotatably connected with filter cylinder driven by inner shaft, one end of filter cylinder air outlet is rotatably connected with fan cylinder, the surface of support plate a is fixedly installed with self-cleaning assembly matched with filter cylinder, one end of self-cleaning assembly air inlet is fixedly connected with air outlet pipe, and self-cleaning assembly is driven by inner shaft.

[0006] Further, the bottom frame is internally provided with a set of positioning mounting holes, the connecting positions of the support plates a and b and the bottom frame are fixedly provided with reinforcing ribs, the horizontal plane where the motor axis is located is lower than the horizontal plane where the fan cylinder axis is located, and the height difference between the horizontal plane where the motor axis is located and the horizontal plane where the fan cylinder axis is located is 0.3 times the height of the air casing.

[0007] Further, the air casing is arranged between the opposite surfaces of the support plates a and b, the inside of the filter cylinder is uniformly provided with filter holes, the axis of the filter holes is perpendicular to the axis of the fan cylinder, and a three-jaw support is arranged between the inner shaft and the opposite surfaces of the filter cylinder.

[0008] Further, the self-cleaning assembly comprises a wind-blocking arc cover arranged on the inner side of the filter cylinder and rotationally attached to the filter cylinder and an air guide pipe fixed to the inner wall of the air outlet pipe, the side surface of the wind-blocking arc cover is fixedly connected with the support plate a, the bottom surface of the wind-blocking arc cover is provided with a plurality of groups of reverse cleaning holes which are regularly distributed and have air outlet directions opposite to the filter cylinder, one end of the air outlet of the air guide pipe is fixedly communicated with the wind-blocking arc cover through a pipe connection, and the inner wall of the support plate a is rotationally communicated with two symmetrically arranged rubber brush rollers, the circumferential surfaces of the two rubber brush rollers are attached to the filter cylinder, and the circumferential surface of the inner shaft is transmissionally connected with the two rubber brush rollers through a belt respectively.

[0009] Further, the circumferential surface of the rubber brush roller is fixedly provided with a plurality of rubber brush strips which are circumferentially arranged and matched with the filter cylinder, the arc diameter of the wind-blocking arc cover is matched with the arc diameter of the filter cylinder, and the bottom surface of the wind-blocking arc cover is fixedly provided with a sealing ring matched with the filter cylinder.

[0010] Further, the air guide pipe is arranged in an upward inclination, and the included angle between the axis of the air guide pipe and the air outlet axis of the air outlet pipe is 45°.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses the setting of bottom frame, support a, support b and self-cleaning assembly, on the one hand, can effectively reduce the gravity center of fan, then effectively improve the stability of fan bottom support structure, on the other hand, change the single support mechanism of traditional fan into the double structure of bottom support plus side support, through the change of support structure, thereby effectively further improve the stability of fan work, through the setting of self-cleaning assembly, then increase the self-cleaning structure of filter dust structure on the basis of traditional fan, through the increase of self-cleaning structure, thereby effectively reduce the maintenance difficulty of the fan work.

[0013] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 It is a structural schematic view of a fan with stable support;

[0016] Figure 2 It is Figure 1 a sectional structural schematic view;

[0017] Figure 3 It is Figure 2 a local enlarged structural schematic view of A in the figure;

[0018] Figure 4 It is Figure 1 a structural schematic view from another angle;

[0019] Figure 5 It is a structural schematic view of a fan cylinder and a filter cylinder;

[0020] In the drawings, the component list represented by each reference numeral is as follows:

[0021] 1, base frame; 2, air casing; 3, air outlet pipe; 4, motor; 5, fan cylinder; 6, inner shaft; 7, support plate a; 8, support plate b; 9, filter cylinder; 10, reinforcing rib; 11, three-claw support; 12, wind-blocking arc cover; 13, air guide pipe; 14, reverse clearance hole; 15, rubber brush roller; 16, pipe connection. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0023] Please refer to Figures 1-5 , the present application is a fan with stable support, comprising a base frame 1, a plurality of positioning installation holes are formed in the base frame 1, the top surface of the base frame 1 is fixedly installed with an air casing 2, the lower right of the air casing 2 is communicated with an air outlet pipe 3, and the lower left of the base frame 1 is installed with a motor 4;

[0024] The inner wall of the air casing 2 is rotatably connected with a fan cylinder 5, the inner wall of the fan cylinder 5 is rotatably connected with an inner shaft 6, and the peripheral side surfaces of the fan cylinder 5 and the inner shaft 6 are drivingly connected with the motor 4 through a belt;

[0025] The horizontal plane where the axis of the motor 4 is located is lower than the horizontal plane where the axis of the fan cylinder 5 is located, and the height difference between the horizontal plane where the axis of the motor 4 is located and the horizontal plane where the axis of the fan cylinder 5 is located is 0.3 times the height of the air casing 2;

[0026] The positions and heights of the motor 4 and the fan cylinder 5 are set, so as to effectively reduce the gravity center of the fan, and the stability of the support structure at the bottom of the fan is effectively improved through the reduction of the gravity center;

[0027] The positions of the motor 4 and the fan cylinder 5 can effectively reduce the influence of the backwash force of the air outlet pipe 3 on the device when air is blown out;

[0028] The top surface of the chassis 1 is respectively fixedly provided with a support plate a7 rotationally connected with the inner shaft 6 and a support plate b8 rotationally connected with the fan cylinder 5, and a reinforcing rib 10 is fixedly arranged at the connection between each of the support plate a7 and the support plate b8 and the chassis 1, and the air casing 2 is arranged between the opposite surfaces of the support plate a7 and the support plate b8;

[0029] The support plate a7 and the fan cylinder 5 are rotationally connected with a filter cylinder 9 driven by the inner shaft 6, and one end of the air outlet of the filter cylinder 9 is rotationally communicated with the fan cylinder 5;

[0030] The filter cylinder 9 is uniformly provided with filter holes, and the axis of the filter holes is perpendicular to the axis of the fan cylinder 5;

[0031] The surface of the support plate a7 is fixedly provided with a self-cleaning assembly matched with the filter cylinder 9, one end of the air inlet of the self-cleaning assembly is fixedly communicated with the air outlet pipe 3, the self-cleaning assembly is driven by the inner shaft 6, and a three-jaw support 11 is arranged between the opposite surfaces of the inner shaft 6 and the filter cylinder 9.

[0032] The self-cleaning assembly comprises a wind-blocking arc cover 12 arranged on the inner side of the filter cylinder 9 and rotationally attached to the filter cylinder 9 and an air guide pipe 13 fixed to the inner wall of the air outlet pipe 3, the air guide pipe 13 is arranged in an upward inclination, and the included angle between the axis of the air guide pipe 13 and the air outlet axis of the air outlet pipe 3 is 45°, so as to effectively increase the air guide amount of the air guide pipe 13 from the inside of the air outlet pipe 3 when air is blown out of the air outlet pipe 3 through the angle setting of the air guide pipe 13;

[0033] The side surface of the wind-blocking arc cover 12 is fixedly connected with the support plate a7, the arc diameter of the wind-blocking arc cover 12 is matched with the arc diameter of the filter cylinder 9, and the bottom surface of the wind-blocking arc cover 12 is fixedly provided with a sealing ring matched with the filter cylinder 9, so as to effectively ensure the sealing performance of the connection between the wind-blocking arc cover 12 and the filter cylinder 9 through the setting of the sealing ring;

[0034] The bottom surface of the wind-blocking arc cover 12 is provided with six groups of reverse cleaning holes 14 regularly distributed and facing the filter cylinder 9 in the air outlet direction, and the reverse cleaning holes 14 are arranged on the inner side of the sealing ring;

[0035] One end of the air outlet of the air guide pipe 13 is fixedly communicated with the wind shield 12 through the joint pipe 16, the inner wall of the support plate a7 is rotatably communicated with two symmetrically arranged rubber brush rollers 15, the circumferential side surface of each of the two rubber brush rollers 15 is attached to the filter cylinder 9, and the circumferential side surface of the rubber brush roller 15 is fixedly installed with six rubber brush strips which are distributed in a circumferential array and cooperated with the filter cylinder 9, and the circumferential side surface of the inner shaft 6 is drivingly connected with the two rubber brush rollers 15 through the belts.

[0036] One specific application of the embodiment is that: in use, the bottom surface of the chassis 1 is fixedly connected with the installation platform of the fan through the relevant positioning connecting pieces, and the positions and heights of the motor 4 and the fan cylinder 5 are set, so as to effectively reduce the gravity center of the fan, and then effectively improve the stability of the support structure at the bottom of the fan, and through the position setting of the motor 4 and the fan cylinder 5, the influence of the backflow force on the device when the air outlet pipe 3 blows air can be effectively reduced, and then the stability of the fan during operation is improved, and when the fan cylinder 5 works, the inner shaft 6 rotates at a differential speed with the fan cylinder 5, after the inner shaft 6 rotates, on one hand, it drives the filter cylinder 9 to perform the dust filtering operation, and on the other hand, it drives the rubber brush roller 15 to perform the dust cleaning operation on the outer wall of the filter cylinder 9, and when the air outlet pipe 3 blows air, the air guide pipe 13 guides the clean air, the clean air is guided through the back cleaning hole 14 and acts on the inner wall of the filter cylinder 9, and then the inner wall of the filter cylinder 9 is self-cleaned.

[0037] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A fan with a stable stand comprising a chassis (1), characterized in that, The top surface of the chassis (1) is fixedly provided with a wind shell (2), the lower right of the wind shell (2) is communicated with an air outlet pipe (3), the lower left of the chassis (1) is provided with a motor (4), the inner wall of the wind shell (2) is rotatably connected with a fan cylinder (5), the inner wall of the fan cylinder (5) is rotatably connected with an inner shaft (6), the peripheral surface of the fan cylinder (5) and the inner shaft (6) are both drivingly connected with the motor (4) through a belt, the top surface of the chassis (1) is respectively fixedly provided with a support plate a (7) rotatably connected with the inner shaft (6) and a support plate b (8) rotatably connected with the fan cylinder (5), the opposite surfaces of the support plate a (7) and the fan cylinder (5) are rotatably connected with a filter cylinder (9) driven by the inner shaft (6), one end of the air outlet of the filter cylinder (9) is rotatably communicated with the fan cylinder (5), the surface of the support plate a (7) is fixedly provided with a self-cleaning assembly matched with the filter cylinder (9), one end of the air inlet of the self-cleaning assembly is fixedly communicated with the air outlet pipe (3), and the self-cleaning assembly is driven by the inner shaft (6).

2. A fan with a stabilizing support according to claim 1, characterized in that, A plurality of positioning mounting holes are formed in the inside of the chassis (1), the connecting portions of the support plate a (7) and the support plate b (8) with the chassis (1) are both fixedly provided with reinforcing ribs (10), the horizontal plane where the axis of the motor (4) is located is lower than the horizontal plane where the axis of the fan cylinder (5) is located, and the height difference between the horizontal plane where the axis of the motor (4) is located and the horizontal plane where the axis of the fan cylinder (5) is located is 0.3 times the height of the wind shell (2).

3. A fan having a stabilizing support according to claim 2, wherein The wind shell (2) is arranged between the opposite surfaces of the support plate a (7) and the support plate b (8), the inside of the filter cylinder (9) is uniformly provided with filter holes, the axis of the filter hole is perpendicular to the axis of the fan cylinder (5), and a three-jaw bracket (11) is arranged between the opposite surfaces of the inner shaft (6) and the filter cylinder (9).

4. A fan having a stabilizing support according to claim 3, wherein The self-cleaning assembly comprises a wind-blocking arc cover (12) arranged on the inner side of the filter cylinder (9) and rotatably attached to the filter cylinder (9) and an air guide pipe (13) fixedly arranged on the inner wall of the air outlet pipe (3), the side surface of the wind-blocking arc cover (12) is fixedly connected with the support plate a (7), the bottom surface of the wind-blocking arc cover (12) is provided with a plurality of groups of reverse cleaning holes (14) regularly distributed and arranged in the air outlet direction and facing the filter cylinder (9), one end of the air outlet of the air guide pipe (13) is fixedly communicated with the wind-blocking arc cover (12) through a pipe connector (16), the inner wall of the support plate a (7) is rotatably communicated with two symmetrically arranged rubber brush rollers (15), the peripheral surface of each of the two rubber brush rollers (15) is attached to the filter cylinder (9), and the peripheral surface of the inner shaft (6) is drivingly connected with the two rubber brush rollers (15) through a belt.

5. A fan having a stabilizing support according to claim 4, wherein The peripheral surface of the rubber brush roller (15) is fixedly provided with a plurality of rubber brush strips arranged in a circumferential array and matched with the filter cylinder (9), the arc diameter of the wind-blocking arc cover (12) is adapted to the arc diameter of the filter cylinder (9), and the bottom surface of the wind-blocking arc cover (12) is fixedly provided with a sealing ring matched with the filter cylinder (9).

6. A fan having a stabilizing support according to claim 5, wherein The air guide pipe (13) is arranged in an upward inclination, and the included angle between the axis of the air guide pipe (13) and the air outlet axis of the air outlet pipe (3) is 45°.

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