CN111911464A

CN111911464A - Axial flow fan

Info

Publication number: CN111911464A
Application number: CN202010939730.3A
Authority: CN
Inventors: 刘培泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-11-10

Abstract

The invention provides an axial flow fan, which comprises a fan blade frame, a supporting foot frame, an automatic cleaning air guide frame structure, a belt chain and a motor, wherein the belt chain penetrates through the upper part of the automatic cleaning air guide frame structure, when the shaft lever rotates, the cleaning brush structure is also driven to scrape and clean around the inner wall of the outer frame body to scrape off the impurity dust on the inner wall of the outer frame body, thereby effectively preventing the dust and the impurities from being adsorbed and accumulated on the inner wall, through the arrangement of the cleaning brush structure, the cleaning brush strip can be contacted with the inner ring of the outer frame body for brushing all the time, thereby effectively avoiding the cleaning brush strip from being unable to contact the inner wall of the outer frame body after being worn, therefore, the problem that the inner wall of the outer frame body cannot be brushed to be cleaned is caused, and the inner wall of the outer frame body can be better cleaned.

Description

Axial flow fan

Technical Field

The invention relates to the technical field of fans, in particular to an axial flow fan.

Background

An axial flow fan is also called a local fan, is a fan commonly used by industrial and mining enterprises, and means that air flows from one side of the fan to the other side along the direction of a rotating shaft of the fan, so as to achieve the effect of replacing the air in the industrial and mining enterprises, but the prior art has the following defects:

when the gas in the industrial and mining fields flows from one side to the other side, the dust in the industrial and mining fields flows from one side to the other side of the axial flow fan along with the gas, and when the dust flows to the other side, part of the dust is adhered to the inner wall, so that the effect of the axial flow fan on conveying wind energy is affected.

Disclosure of the invention technical problem (1)

The invention provides an axial flow fan, which solves the problem that when gas in an industrial mine flows from one side to the other side, dust in the industrial mine flows from one side to the other side of the axial flow fan along with the gas, and when the dust flows to the other side, part of dust is adhered to the inner wall, so that the effect of the axial flow fan on conveying wind energy is affected.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an axial fan, its structure includes fan blade frame, supporting foot frame, self-cleaning wind-guiding frame structure, belt chain, motor, the belt chain runs through in self-cleaning wind-guiding frame structure top, the fan blade frame is installed in self-cleaning wind-guiding frame structure is structural, supporting foot frame upper end welds with self-cleaning wind-guiding frame structure lower extreme mutually, the motor is connected with self-cleaning wind-guiding frame structure through the belt chain.

Preferably, the automatic cleaning air guide frame structure comprises an outer frame body, an air guide hole, a cleaner and a rear end cover, wherein a right inner ring of the outer frame body is welded with an outer ring of the rear end cover, the left side of the cleaner is fixedly installed on the rear end cover, the upper end and the lower end of the middle part of the cleaner are in contact with the inner ring of the outer frame body, the air guide hole and the rear end cover are of an integrated structure, the left side of the cleaner is embedded in the right side of the fan blade frame, and the right side of.

Preferably, the cleaner includes embedding dish, rotatory axostylus axostyle structure, cleaning brush structure, rotatory axostylus axostyle structure left side embedding is installed on embedding dish right side and is connected through the electric welding, rotatory axostylus axostyle structure runs through in cleaning brush structure and through mechanical connection, embedding dish embedding is installed on flabellum frame right side and mechanical connection, the belt chain is connected with rotatory axostylus axostyle structure right side, cleaning brush structure is symmetrical structure.

Preferably, the rotating shaft rod structure comprises a shaft rod, a belt pulley, a fixer and a thread groove, the belt pulley is welded on the left side of the shaft rod, the right side of the shaft rod is welded on the left side of the fixer, the shaft rod and the thread groove are of an integrated structure, and the shaft rod is of a cylindrical structure.

Preferably, the fixer includes cutting ferrule, connection jack-post, bearing, limiting plate, screw thread post, fixed plate, the connection jack-post imbeds in the bearing, the cutting ferrule welds with the fixed plate mutually, the bearing is inlayed in the cutting ferrule, the connection jack-post passes through screw thread post and limiting plate fixed connection, the connection jack-post makes up "H" type structure with the limiting plate each other, and the outer end is the smooth surface structure.

Preferably, the cleaning brush structure includes cleaning head structure, connecting rod, guide pin bushing, cleaning head structure installs on the connecting rod, connecting rod one end welds in the guide pin bushing outer loop, the guide pin bushing is the ring structure.

Preferably, the cleaning head structure comprises a brushing device, a buffer spring, a welding block and a fixed seat, wherein the brushing device is installed on the fixed seat, the upper end of the welding block is welded with the lower end of the fixed seat, the buffer spring is installed in the fixed seat, the upper end of the buffer spring is welded with the lower end of the brushing device, and the buffer spring is provided with a plurality of parts.

Preferably, the brush ware includes clean brush strip, installation piece, spacing slide, clean brush strip imbeds in installation piece upper end and is connected through glue solution, installation piece lower extreme welds with spacing slide upper end mutually, spacing slide is the cuboid structure, and the smooth surface is personally submitted to the outer end.

(III) advantageous effects

The invention provides an axial flow fan. The method has the following beneficial effects:

1. according to the invention, by arranging the automatic cleaning air guide frame structure, when the shaft rod rotates, the cleaning brush structure can be driven to scrape and clean around the inner wall of the outer frame body, and impurity dust on the inner wall of the outer frame body is scraped, so that the dust and impurities can be effectively prevented from being adsorbed and accumulated on the inner wall.

2. According to the invention, by arranging the cleaning brush structure, when the brusher brushes, the cleaning brush strip can brush the outer frame body, and when the cleaning brush strip is brushed and is worn, the limiting sliding plate can bounce upwards under the action of the buffer spring, so that the cleaning brush strip can be always in contact with the inner ring of the outer frame body for brushing, and therefore, the problem that the cleaning brush strip cannot be in contact with the inner wall of the outer frame body after being worn can be effectively avoided, and the inner wall of the outer frame body cannot be brushed for cleaning, and the inner wall of the outer frame body can be better cleaned.

Drawings

FIG. 1 is a schematic structural diagram of an axial flow fan according to the present invention;

fig. 2 is a schematic structural view of an automatic cleaning air guide frame in front view;

FIG. 3 is a front view of the cleaner of the present invention;

FIG. 4 is a front view of the rotating shaft of the present invention;

FIG. 5 is a front view of the fastener of the present invention;

FIG. 6 is a side view of the cleaning brush of the present invention;

FIG. 7 is a side view of the cleaning head structure of the present invention;

FIG. 8 is a side view of a brush actuator according to the present invention.

In the figure: the fan blade cleaning device comprises a fan blade frame-1, a supporting foot stand-2, an automatic cleaning air guide frame structure-3, a belt chain-4, a motor-5, an outer frame body-31, an air guide hole-32, a cleaner-33, a rear end cover-34, an embedded disc-331, a rotating shaft rod structure-332, a cleaning brush structure-333, a shaft rod-321, a belt pulley-322, a fixer-323, a thread groove-324, a clamping sleeve-231, a connecting shaft column-232, a bearing-233, a limiting plate-234, a thread column-235, a fixing plate-236, a cleaning head structure-C1, a connecting rod-C2, a guide sleeve-C3, a brushing device-C11, a buffer spring-C12, a welding block-C13, a fixing seat-C14, a cleaning brush strip-CC 1, a mounting block-CC 2, a, Limiting slide plate-CC 3.

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.

As shown in figures 1 to 8:

example 1

The embodiment of the invention provides an axial flow fan, which structurally comprises a fan blade frame 1, a supporting foot frame 2, an automatic cleaning air guide frame structure 3, a belt chain 4 and a motor 5, wherein the belt chain 4 penetrates through the upper part of the automatic cleaning air guide frame structure 3, the fan blade frame 1 is installed on the automatic cleaning air guide frame structure 3, the upper end of the supporting foot frame 2 is welded with the lower end of the automatic cleaning air guide frame structure 3, and the axial flow fan is characterized in that: the motor 5 is connected with the automatic cleaning air guide frame structure 3 through a belt chain 4.

The automatic cleaning air guide frame structure 3 comprises an outer frame body 31, an air guide hole 32, a cleaner 33 and a rear end cover 34, wherein a right inner ring of the outer frame body 31 is welded with an outer ring of the rear end cover 34, the left side of the cleaner 33 is fixedly installed on the rear end cover 34, the upper end and the lower end of the middle part of the cleaner 33 are in contact with the inner ring of the outer frame body 31, the air guide hole 32 and the rear end cover 34 are of an integrated structure, the left side of the cleaner 33 is embedded in the right side of the fan blade frame 1, and the right side of the.

The cleaner 33 includes an embedded disc 331, a rotating shaft structure 332, and a cleaning brush structure 333, the left side of the rotating shaft structure 332 is embedded in the right side of the embedded disc 331 and connected by electric welding, the rotating shaft structure 332 penetrates through the cleaning brush structure 333 and is mechanically connected, the embedded disc 331 is embedded in the right side of the vane frame 1 and is mechanically connected, the belt chain 4 is connected with the right side of the rotating shaft structure 332, and the cleaning brush structure 333 is of a symmetrical structure and is used for cleaning the inner wall of the outer frame 31.

The rotating shaft rod structure 332 comprises a shaft rod 321, a belt pulley 322, a fixer 323 and a thread groove 324, wherein the belt pulley 322 is welded on the left side of the shaft rod 321, the right side of the shaft rod 321 is welded on the left side of the fixer 323, the shaft rod 321 and the thread groove 324 are of an integrated structure, the shaft rod 321 is of a cylindrical structure, and the belt pulley 322 is meshed with the belt chain 4, so that the belt pulley 322 can drive the shaft rod 321 to rotate.

The fixing device 323 comprises a clamping sleeve 231, a connecting shaft column 232, a bearing 233, a limiting plate 234, a threaded column 235 and a fixing plate 236, wherein the connecting shaft column 232 is embedded in the bearing 233, the clamping sleeve 231 is welded with the fixing plate 236, the bearing 233 is embedded in the clamping sleeve 231, the connecting shaft column 232 is fixedly connected with the limiting plate 234 through the threaded column 235, the connecting shaft column 232 and the limiting plate 234 are mutually combined into an H-shaped structure, and the outer end of the connecting shaft column 232 and the outer end of the limiting plate 234 are of a smooth surface structure, so that the connecting shaft column can be attached to the outer walls of the clamping sleeve 231 and the fixing plate 236 to.

The specific working process is as follows:

when starting axial fan and operating, operate through starter motor 5, with this drive belt chain 4 and operate, thereby make belt pulley 322 rotate along with it, it is rotatory to drive axostylus axostyle 321 through belt pulley 322, make connection jack-post 232 rotatory on bearing 233, with this make fan blade frame 1 rotatory under axostylus axostyle 321 drives, produce wind energy, simultaneously when axostylus axostyle 321 is rotatory, also will drive cleaning brush structure 333 and scrape the cleaning round the outer frame body 31 inner wall, scrape off the impurity dust on the outer frame body 31 inner wall, with this can effectually prevent that dust and impurity from adsorbing and piling up on the inner wall.

Example 2

The embodiment of the invention provides an axial flow fan, which structurally comprises a fan blade frame 1, a supporting foot frame 2, an automatic cleaning air guide frame structure 3, a belt chain 4 and a motor 5, wherein the belt chain 4 penetrates through the upper part of the automatic cleaning air guide frame structure 3, the fan blade frame 1 is installed on the automatic cleaning air guide frame structure 3, the upper end of the supporting foot frame 2 is welded with the lower end of the automatic cleaning air guide frame structure 3, and the motor 5 is connected with the automatic cleaning air guide frame structure 3 through the belt chain 4.

The cleaning brush structure 333 includes a cleaning head structure C1, a connecting rod C2, and a guide sleeve C3, the cleaning head structure C1 is installed on the connecting rod C2, one end of the connecting rod C2 is welded to the outer ring of the guide sleeve C3, the guide sleeve C3 is a circular ring structure and is installed on the rotating shaft rod structure 332 to be mechanically connected, so as to fix the connecting rod C2.

Wherein, the first structure C1 of cleaning head includes brush ware C11, buffer spring C12, welding piece C13, fixing base C14, brush ware C11 installs on fixing base C14, welding piece C13 upper end and fixing base C14 lower extreme weld mutually, buffer spring C12 installs in fixing base C14, and buffer spring C12 upper end and brush ware C11 lower extreme weld mutually, buffer spring C12 is equipped with a plurality of, and is used for playing the effect of resiliency to brush ware C11, avoids brush ware C11 to brush and moves and produces the wearing and tearing back, will unable cleaning to outer framework 31 inner wall.

Wherein, brush ware C11 includes clean brush strip CC1, installation piece CC2, spacing slide CC3, clean brush strip CC1 imbeds in installation piece CC2 upper end and is connected through gluey solution, installation piece CC2 lower extreme and spacing slide CC3 upper end are welded mutually, spacing slide CC3 is the cuboid structure, and the smooth surface is personally submitted to the outer end for the effect of limiting is carried out to the orbit that installation piece CC2 shifted up.

The specific working process is as follows:

when the axial flow fan is started to operate, the belt chain 4 is driven to operate by the operation of the starting motor 5, so that the belt pulley 322 rotates along with the belt pulley 322, the shaft rod 321 is driven to rotate by the belt pulley 322, the connecting shaft column 232 rotates on the bearing 233, the fan blade frame 1 is driven by the shaft rod 321 to rotate to generate wind energy, meanwhile, when the shaft rod 321 rotates, the guide sleeve C3 is driven to rotate along with the shaft rod C3, the connecting rod C2 connected to the guide sleeve C3 also moves along with the guide sleeve C3, the welding block C13 also rotates along with the connecting rod C2, the brush actuator C11 on the fixing seat C14 also abuts against the outer frame 31, the buffer spring C12 is compressed, when the brush actuator C11 brushes, the cleaning brush strip CC1 brushes against the outer frame 31, and when the cleaning brush strip CC1 brushes, after abrasion is generated, spacing slide CC3 will upwards bounce under buffer spring C12's effect to this makes that the brush of cleaning brush strip CC1 can be all the time with outer frame 31 inner ring contact brush, thereby can effectually avoid cleaning brush strip CC1 wearing and tearing back, cleaning brush strip CC1 will unable to contact outer frame 31 inner wall, with this will unable to brush the clear problem emergence of moving to outer frame 31 inner wall, thereby can be better carry out clear effect to outer frame inner wall.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. An axial flow fan structurally comprises a fan blade frame (1), a supporting foot frame (2), an automatic cleaning air guide frame structure (3), a belt chain (4) and a motor (5), wherein the belt chain (4) penetrates through the upper portion of the automatic cleaning air guide frame structure (3), the fan blade frame (1) is installed on the automatic cleaning air guide frame structure (3), the upper end of the supporting foot frame (2) is welded with the lower end of the automatic cleaning air guide frame structure (3), and the axial flow fan is characterized in that the motor (5) is connected with the automatic cleaning air guide frame structure (3) through the belt chain (4).

2. The axial flow fan of claim 1, wherein: the automatic cleaning air guide frame structure (3) comprises an outer frame body (31), an air guide hole (32), a cleaner (33) and a rear end cover (34), wherein a right inner ring of the outer frame body (31) is welded with an outer ring of the rear end cover (34), the cleaner (33) is fixedly installed on the rear end cover (34) in the left side, the upper end and the lower end of the middle part of the cleaner are in contact with the inner ring of the outer frame body (31), the air guide hole (32) and the rear end cover (34) are of an integrated structure, the cleaner (33) is installed on the right side of the fan blade frame (1) in an embedded mode in the left side, and the right side of the.

3. The axial flow fan of claim 2, wherein: the cleaner (33) comprises an embedded disc (331), a rotating shaft rod structure (332) and a cleaning brush structure (333), wherein the left side of the rotating shaft rod structure (332) is embedded and installed on the right side of the embedded disc (331) and connected through electric welding, the rotating shaft rod structure (332) penetrates through the cleaning brush structure (333) and is mechanically connected, the embedded disc (331) is embedded and installed on the right side of the fan blade frame (1) and is mechanically connected, and the belt chain (4) is connected with the right side of the rotating shaft rod structure (332).

4. The axial flow fan of claim 3, wherein: the rotating shaft rod structure (332) comprises a shaft rod (321), a belt pulley (322), a fixer (323) and a thread groove (324), wherein the belt pulley (322) is welded on the left side of the shaft rod (321), the right side of the shaft rod (321) is welded on the left side of the fixer (323), and the shaft rod (321) and the thread groove (324) are of an integrated structure.

5. The axial flow fan of claim 4, wherein: the fixing device (323) comprises a clamping sleeve (231), a connecting shaft column (232), a bearing (233), a limiting plate (234), a threaded column (235) and a fixing plate (236), wherein the connecting shaft column (232) is embedded into the bearing (233), the clamping sleeve (231) is welded with the fixing plate (236), the bearing (233) is embedded into the clamping sleeve (231), and the connecting shaft column (232) is fixedly connected with the limiting plate (234) through the threaded column (235).

6. The axial flow fan of claim 3, wherein: cleaning brush structure (333) includes cleaning head structure (C1), connecting rod (C2), guide pin bushing (C3), install on connecting rod (C2) cleaning head structure (C1), connecting rod (C2) one end welds in guide pin bushing (C3) outer loop.

7. The axial flow fan of claim 6, wherein: cleaning head structure (C1) is including brushing away ware (C11), buffer spring (C12), welding piece (C13), fixing base (C14), it installs on fixing base (C14) to brush away ware (C11), welding piece (C13) upper end welds mutually with fixing base (C14) lower extreme, buffer spring (C12) are installed in fixing base (C14), and buffer spring (C12) upper end welds mutually with brushing away ware (C11) lower extreme.

8. The axial flow fan of claim 7, wherein: the brush ware (C11) includes clean brush strip (CC1), installation piece (CC2), spacing slide (CC3), clean brush strip (CC1) are embedded in installation piece (CC2) upper end and are connected through gluey solution, installation piece (CC2) lower extreme and spacing slide (CC3) upper end are welded mutually.