CN211174816U

CN211174816U - Fan with cleaning function

Info

Publication number: CN211174816U
Application number: CN201921604054.3U
Authority: CN
Inventors: 沈余良
Original assignee: Shanghai De Hui Specific Fan Co ltd
Current assignee: Shanghai De Hui Specific Fan Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-04
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to a fan with clearance function. Comprises a box body, an air supply device and a dust removal device. The box includes along its length direction first end, second end and from first end link up to the exhaust passage of second end. An air inlet communicated with the exhaust channel is formed in the position, close to the first end, of the box body, and an air outlet communicated with the exhaust channel is formed in the position, close to the second end, of the box body. The air supply device comprises an air supply assembly and a first driving assembly. The first driving assembly is installed in the box body, and the air supply assembly is installed in the exhaust channel. The dust removing device comprises a dust removing component and a second driving component for driving the dust removing component. The second driving assembly is mounted in the box body, and the dust removal assembly is mounted in the exhaust channel and attached to the inner wall of the exhaust channel so as to clean dust accumulated on the inner wall of the exhaust channel.

Description

Fan with cleaning function

Technical Field

The utility model relates to a fan technical field especially relates to a fan with clearance function.

Background

With the development of science and technology and the improvement of productivity level, fans have been widely applied to dust removal, air exhaust and cooling in the fields of fire fighting, tunnels, mines, ships, vehicles and the like. The application scene of fan is extensive, and work efficiency is high. For example, the just harvested grains can be dried by using a fan, and the shrunken empty shell particles in the grains can be removed by using the fan, so that the operation is simple and the feasibility is strong.

After the fan runs for a long time, a large amount of dust can be accumulated on the inner wall of the shell of the fan. In the prior art, the cover plate of the fan must be manually disassembled, and then the motor, the impeller and other parts inside the fan are disassembled, so that the dust on the inner wall of the shell can be cleaned. Because the distribution of the parts on the inner wall of the shell is compact, the dismounting process is complex, and the parts are easily damaged due to improper operation.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a fan with clearance function. The method comprises the following steps:

the box body comprises a first end and a second end along the length direction of the box body and an exhaust channel which penetrates from the first end to the second end; an air inlet communicated with the exhaust channel is formed in the position, adjacent to the first end, of the box body, and an air outlet communicated with the exhaust channel is formed in the position, adjacent to the second end, of the box body;

the air supply device comprises an air supply assembly and a first driving assembly for driving the air supply assembly; the first driving assembly is mounted on the box body, and the air supply assembly is mounted in the exhaust channel and is positioned between the air inlet and the air outlet;

the dust removal device comprises a dust removal assembly and a second driving assembly for driving the dust removal assembly; the second driving assembly is mounted in the box body, and the dust removal assembly is mounted in the exhaust channel and attached to the inner wall of the exhaust channel so as to clean dust accumulated on the inner wall of the exhaust channel.

Optionally, a first fixing plate is mounted at the first end of the box body, a first through mounting hole is formed in the center of the first fixing plate, and at least one through air inlet hole is formed in the periphery of the first mounting hole;

the second end of the box body is provided with a second fixing plate, the center of the second fixing plate is provided with a through second mounting hole, and the periphery of the second mounting hole is provided with at least one through first air outlet hole.

Optionally, the first driving assembly includes a motor body mounted on the box, a rotating shaft drivingly connected to the motor body, and a first driving wheel mounted at a free end of the rotating shaft; the air supply assembly comprises an impeller arranged in the exhaust channel and a connecting shaft fixedly connected with the impeller, the connecting shaft is arranged on the first fixing plate, and one side of the connecting shaft, which is far away from the impeller, extends to the outer side of the box body;

the rotating shaft is parallel to the axis of the connecting shaft, a second driving wheel is mounted at one end of the connecting shaft extending to the outer side of the box body, and the first driving wheel and the second driving wheel are arranged on the same side; the air supply device also comprises a transmission part connected with the first transmission wheel and the second transmission wheel.

Optionally, a nut seat for rotatably fixing the connecting shaft to the first fixing plate is installed on the first fixing plate.

Optionally, the second driving assembly comprises a cylinder body mounted on the second fixing plate and a driving shaft drivingly connected to the cylinder body, the driving shaft extending to the inner side of the box body; the dust removing assembly comprises a support frame arranged at the free end of the driving shaft and a dust removing brush arranged on the support frame;

the cylinder body drives the dust removal assembly to do reciprocating motion through the driving shaft so as to clean dust accumulated on the inner wall of the exhaust channel.

Optionally, the supporting frame comprises a connecting part and a bearing part which are fixedly connected with each other; wherein,

a third mounting hole is formed in the center of the connecting part, and at least one second air outlet hole is formed in the periphery of the third mounting hole; the bearing part is of a hollow frame structure, and a plurality of third air outlet holes are formed in the bearing part along the peripheral side of the bearing part; the dust removal brush sleeve is arranged on the bearing part and is attached to the inner wall of the exhaust channel.

Optionally, the impeller includes a disk mounted on the connecting shaft and at least two blades spaced apart along a circumferential side of the disk.

Optionally, the impeller may be completely accommodated in the supporting frame during the reciprocating movement of the dust removing assembly.

Optionally, the air inlet is provided with a filter cover, and the filter cover is provided with a plurality of filter holes.

Optionally, when the dust removing device is installed in the exhaust passage, the first air outlet holes correspond to the second air outlet holes one to one.

The embodiment of the utility model provides a technical scheme can include following beneficial effect:

the embodiment of the utility model provides a pair of fan with clearance function, dust collector is installed to the box, and dust collector's dust removal subassembly is laminated in exhaust passage's inner wall to do the back and forth motion through second drive assembly drive dust removal subassembly in exhaust passage and clear up the dust on the exhaust passage inner wall, easy operation and feasibility are strong.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a fan with a cleaning function according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the blower with cleaning function shown in FIG. 1 taken along line A-A;

FIG. 3 is a schematic structural view illustrating a connection shaft of the blower with a cleaning function shown in FIG. 1 is connected with an impeller;

FIG. 4 is a schematic structural diagram of a support frame of the blower with a cleaning function shown in FIG. 1;

fig. 5 is a schematic structural diagram of a dust removing assembly of the fan with a cleaning function shown in fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims does not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Fig. 1 is a schematic structural diagram of a fan with a cleaning function provided by an embodiment of the present invention. Fig. 2 is a sectional view of the blower with a cleaning function shown in fig. 1 taken along line a-a. Fig. 3 is a schematic structural view illustrating a connection shaft of the blower with the cleaning function shown in fig. 1 is connected with an impeller. Fig. 4 is a schematic structural diagram of the support frame of the blower with the cleaning function shown in fig. 1. Fig. 5 is a schematic structural diagram of a dust removing assembly of the fan with a cleaning function shown in fig. 1.

Referring to fig. 1 and 2, an embodiment of the present invention provides a fan with a cleaning function. The method comprises the following steps:

the case 1 includes a first end 14, a second end 15 along a longitudinal direction thereof, and an exhaust passage 13 penetrating from the first end 14 to the second end 15. An air inlet 11 communicated with an exhaust channel 13 is arranged at the position, adjacent to the first end 14, of the box body 1, and an air outlet 12 communicated with the exhaust channel 13 is arranged at the position, adjacent to the second end 15, of the box body 1. The air blowing device 2 includes an air blowing assembly 23 and a first driving assembly 21 that drives the air blowing assembly 23. The first driving assembly 21 is installed in the box 1, and the air supply assembly 23 is installed in the exhaust channel 13 and located between the air inlet 11 and the air outlet 12. The dust removing device 5 includes a dust removing assembly 52 and a second driving assembly 51 that drives the dust removing assembly 52. The second driving assembly 51 is installed in the box 1, and the dust removing assembly 52 is installed in the exhaust channel 13 and attached to the inner wall of the exhaust channel 13 to clean the dust accumulated on the inner wall of the exhaust channel 13.

The embodiment of the utility model provides a pair of fan with clearance function, dust collector 5 is installed to box 1, and dust collector 5's dust removal subassembly 52 laminates in exhaust passage 13's inner wall to do the back and forth motion through second drive assembly 51 drive dust removal subassembly 52 in exhaust passage 13 and clear up the dust on the exhaust passage 13 inner wall. The operation is simple, and the cleaning effect is good.

In an embodiment of the present invention, referring to fig. 1 and 2, the box body 1 is a hollow square frame structure, and includes a first end 14, a second end 15 along the length direction thereof, and an exhaust channel 13 penetrating from the first end 14 to the second end 15. The two air inlets 11 are disposed adjacent to the first end 14 and symmetrically disposed on two opposite sidewalls of the box 1. A filter mantle 6 is all installed to every air intake 11, all has seted up a plurality of filtration holes 61 on each filter mantle 6. The filter cover 6 is arranged on the air inlet 11, so that impurities in the external air entering the exhaust channel 13 can be effectively filtered, and the aperture of the filter holes 61 can be opened according to the actual situation of the external air. Of course, in other embodiments, the number of the air inlets 11 may be three, four, or five, and is not limited thereto.

The four air outlets 12 are spaced along the periphery of the box 1 and are disposed adjacent to the second end 15. The four air outlets 12 are arranged, so that the air discharge amount of the air outlets 12 is increased, and the air introduced into the air discharge channel 13 from the air inlets 11 can be discharged from the air outlets 12 more conveniently. Of course, in other embodiments, the air inlets 11 may be opened in three, five, or six, but not limited thereto.

With continued reference to fig. 1 and 2, the first driving assembly 21 may include a motor body 211 mounted to the housing 1, a rotating shaft 212 drivingly connected to the motor body 211, and a first driving wheel 213 mounted to a free end of the rotating shaft 212. The blowing assembly 23 may include an impeller 231 installed in the exhaust passage 13 and a connecting shaft 232 fixedly connected to the impeller 231. The first fixing plate 3 is mounted at the first end 14 of the box body 1, and a first mounting hole 31 is formed in the center of the first fixing plate 3. The connecting shaft 232 is mounted on the first fixing plate 3, and one end of the connecting shaft 232, which is far away from the impeller 231, extends to the outside of the box body 1.

In one embodiment, the motor body 211 may be mounted to the upper end of the case 1 adjacent to the first end 14 of the case 1. The rotating shaft 212 is mounted on a side of the motor body 211 facing away from the second end 15. The free end of the connecting shaft 232 penetrates the first mounting hole 31 of the first fixing plate 3 and extends to the outside of the case 1. The side wall of the connecting shaft 232 is not in contact with the inner wall of the first mounting hole 31, and the first fixing plate 3 is mounted with a nut seat 24 for rotatably fixing the connecting shaft 232 to the first fixing plate 3. The arrangement is such that the connecting shaft 232 can be fixedly mounted on the first fixing plate 3 and rotate relative to the first fixing plate 3.

Referring to fig. 1 and 2, at least one air inlet hole 32 is formed at the periphery of the first mounting hole 31. In one embodiment, six air inlet holes 32 are formed at intervals along the peripheral side of the periphery of the first mounting hole 31, and the air supply device 2 can not only extract external air from the air inlet 11 into the exhaust channel 13, but also extract external air from the air inlet holes 32 into the exhaust channel 13 by forming the air inlet holes 32, so as to increase the extracted air volume.

An impeller 231 is installed at one end of the connecting shaft 232 located in the exhaust passage 13, and the impeller 231 is located between the air inlet 11 and the air outlet 12. The axis of the rotating shaft 212 is parallel to the axis of the connecting shaft 232, the free end of the connecting shaft 232 extending to the outer side of the box body 1 is provided with a second driving wheel 233, and the first driving wheel 213 and the second driving wheel 233 are positioned in the same vertical direction. The blowing device 2 further includes a transmission member 22 connected to the first transmission wheel 213 and the second transmission wheel 233. The first driving assembly 21 can drive the connecting shaft 232 to rotate through the transmission member 22, and further drive the impeller 231 to rotate through the connecting shaft 232.

The impeller 231 includes a disk 2311 mounted on the connecting shaft 232 at one end thereof in the exhaust passage 13, and at least two blades 2312 provided at intervals along the circumferential side of the disk 2311. In an embodiment of the present invention, referring to fig. 3, the inner wall of the wheel disc 2311 is provided with an internal thread, the end of the connecting shaft 232 located in the exhaust passage 13 is provided with an external thread, and the wheel disc 2311 is screwed into the end of the connecting shaft 232 located in the exhaust passage 13. In order to further strengthen the fixing of the wheel disc 2311 and the connecting shaft 232, a bolt or other fixable parts are additionally arranged in the area where the wheel disc and the connecting shaft are fixed, so that the probability that the impeller 231 falls off from the connecting shaft 232 in the rotating process can be effectively reduced. The number of the blades 2312 added may be three, four or five, but is not limited thereto.

A second fixing plate 4 is mounted to a second end 15 of the housing 1. The dust removing device 5 includes a dust removing assembly 52 and a second driving assembly 51 that drives the dust removing assembly 52. The second driving assembly 51 may include a cylinder body 511 mounted to the second fixing plate 4 and a driving shaft 512 drivingly coupled to the cylinder body 511, the driving shaft 512 extending to the inside of the case 1.

In one embodiment, with continued reference to fig. 1 and 2, the cylinder body 511 may be fixedly mounted to the second fixing plate 4 on a side thereof facing away from the first fixing plate 3 by a connecting member. The connecting piece can be a screw and can also be any other fixable part. A second mounting hole 41 is formed at the center of the second fixing plate 4, and the driving shaft 512 penetrates the second mounting hole 41 and extends to the inner side of the box 1. Wherein the side wall of the driving shaft 512 is not in contact with the inner wall of the second mounting hole 41.

The dust removing assembly 52 may include a support bracket 521 mounted to the free end of the driving shaft 512 and a dust removing brush 522 mounted to the support bracket 521. The cylinder body 511 drives the dust removing assembly 52 to reciprocate through the driving shaft 512 to clean dust accumulated on the inner wall of the exhaust passage 13.

In one embodiment, referring to fig. 2, 4 and 5, the supporting bracket 521 includes a connecting portion 523 and a bearing portion 524 fixedly connected to each other. A third mounting hole 5231 is formed at the center of the connecting portion 523. The free end of the drive shaft 512 is inserted into the third mounting hole 5231. The fixing piece 7 is installed at the connection position of the driving shaft 512 and the connecting part 523, and the probability that the supporting frame 521 falls off from the driving shaft 512 in the operation process of the dust removing device 5 can be effectively reduced by additionally arranging the fixing piece 7.

The supporting portion 524 is a hollow frame structure, and when the supporting frame 521 is installed in the exhaust channel 13, in order to prevent the supporting portion 524 from blocking the air outlet 12, a plurality of third air outlets 5241 are spaced apart from each other in the circumferential direction of the supporting portion 524. The air outlet 12 and the air discharge passage 13 may be communicated through the third air outlet 5241.

The dust removing brushes 522 may include a plurality of dust removing brushes 522, the carrying portion 524 is sleeved with the plurality of dust removing brushes 522, and a certain distance is formed between every two adjacent dust removing brushes 522, so that the dust removing brushes 522 can be prevented from blocking the third air outlet 5241. The dust removing brush 522 may have a ring structure, and the inner wall of the dust removing brush 522 is a mounting surface, and the mounting surface is attached to the outer wall of the bearing portion 524. The outer wall of the dust removing brush 522 is a cleaning surface, and the cleaning surface is attached to the inner wall of the exhaust passage 13.

With continued reference to fig. 2 and 4, at least one first ventilation hole 42 is formed in the periphery of the second mounting hole 41 of the second fixing plate 4. At least one second air outlet hole 5232 is formed in the periphery of the third mounting hole 5231 of the supporting frame 521. In one embodiment, six first air outlets 42 are formed at intervals along the peripheral side of the periphery of the second mounting hole 41, and the formation of the first air outlets 42 enables the air blowing device 2 to discharge the air inside the exhaust channel 13 from the air outlet 12, and also to discharge the air inside the exhaust channel 13 from the first air outlets 42, so as to increase the discharged air volume. Six second outlet holes 5232 are also formed along the periphery of the third mounting hole 5231. When the dust removing device 5 is installed in the exhaust passage 13, the first air outlet holes 42 correspond to the second air outlet holes 5232 one by one. The second air outlet 5232 is provided to prevent the air in the exhaust channel 13 from being blocked by the connecting portion 523 of the supporting frame 521 when the air is exhausted from the first air outlet 42.

When the utility model discloses a fan with clearance function moves, dust removal component 52 wholly is located exhaust passage 13 and is close to one side of second fixed plate 4, and its connecting portion 523 laminating in second fixed plate 4, so can not receive blocking of dust removal component 52 when can making the gas in exhaust passage 13 discharge from air outlet 12. When the inner wall of the exhaust passage 13 needs to be cleaned, the dust removing assembly 52 reciprocates in the exhaust passage 13 under the driving of the second driving assembly 51, and cleans the inner wall of the exhaust passage 13 by the dust removing brush 522. When the dust removing assembly 52 moves to a side close to the first fixing plate 3, the impeller 231 may be completely received inside the supporting bracket 521. This prevents the impeller 231 from obstructing the reciprocating movement of the dust removing assembly 52 in the exhaust passage 13.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The utility model provides a fan with clearance function which characterized in that includes:

2. The blower with the cleaning function according to claim 1, wherein a first fixing plate is installed at the first end of the box body, a first through installation hole is formed in the center of the first fixing plate, and at least one through air inlet hole is formed in the periphery of the first installation hole;

3. The blower with the cleaning function according to claim 2, wherein the first driving assembly comprises a motor body mounted on the box, a rotating shaft drivingly connected to the motor body, and a first driving wheel mounted at a free end of the rotating shaft; the air supply assembly comprises an impeller arranged in the exhaust channel and a connecting shaft fixedly connected with the impeller, the connecting shaft is arranged on the first fixing plate, and one side of the connecting shaft, which is far away from the impeller, extends to the outer side of the box body;

4. The blower with a cleaning function according to claim 3, wherein a nut seat for rotatably fixing the connecting shaft to the first fixing plate is installed on the first fixing plate.

5. The blower with cleaning function according to claim 4, wherein the second driving assembly comprises a cylinder body mounted on the second fixing plate and a driving shaft drivingly connected to the cylinder body, the driving shaft extending to the inner side of the box body; the dust removing assembly comprises a support frame arranged at the free end of the driving shaft and a dust removing brush arranged on the support frame;

6. The blower with the cleaning function as recited in claim 5, wherein the support frame comprises a connecting part and a bearing part which are fixedly connected with each other; wherein,

7. The fan with the cleaning function according to claim 6, wherein the impeller includes a disk mounted on the connecting shaft and at least two blades provided at intervals along a peripheral side of the disk.

8. The fan with cleaning function according to claim 7, wherein the impeller is completely accommodated inside the supporting frame during the reciprocating movement of the dust removing assembly.

9. The blower with the cleaning function according to claim 1, wherein the air inlet is provided with a filter cover, and the filter cover is provided with a plurality of filter holes.

10. The fan with the cleaning function according to claim 6, wherein when the dust removing device is installed in the exhaust passage, the first air outlet holes correspond to the second air outlet holes one to one.