CN214304466U - Axial fan ventilation structure - Google Patents
Axial fan ventilation structure Download PDFInfo
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- CN214304466U CN214304466U CN202120411061.2U CN202120411061U CN214304466U CN 214304466 U CN214304466 U CN 214304466U CN 202120411061 U CN202120411061 U CN 202120411061U CN 214304466 U CN214304466 U CN 214304466U
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- safety net
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Abstract
The utility model relates to an axial fan ventilation structure, including casing, dustproof mechanism, install the motor in the casing, install fan flabellum on the output shaft of motor, the motor is kept away from and is installed dustproof mechanism in the casing of fan flabellum one side, dustproof mechanism includes dust screen, dust clearance subassembly, the dust screen is fixed on the motor keeps away from the casing inner wall of fan flabellum one side, the dust clearance subassembly is installed on the safety net of back. The utility model discloses a brush pole makes the brush laminating at the dust screen in spring elastic action, drives the brush rotation through rotatory pivot and removes dust and clear up to the dust screen, drives fan flabellum antiport through the motor, carries out the blowback to the dust screen, blows off the dust on it, realizes the clearance to the dust screen, reduces the number of times that the clearance was pulled down to the dust screen.
Description
Technical Field
The utility model relates to a fan ventilation technical field, concretely relates to axial fan ventilation structure.
Background
The axial flow fan has a very wide application, namely, the axial flow fan has airflow in the same direction as the axis of the fan blade, such as the fan blade of an electric fan, and the fan blade of an air conditioner outer unit is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises fan blades, a motor and a casing. But current axial fan only installs the dust screen on the casing, when needing the clearance, can only dismantle the dust screen from the casing, uses inconveniently, axial fan's the unable regulation of angle of blowing moreover, and application scope is narrow, is not suitable for some occasions.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides an axial fan ventilation structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
an axial flow fan ventilation structure comprises a casing and a dustproof mechanism, wherein a motor is installed in the casing, a fan blade is installed on an output shaft of the motor, the dustproof mechanism is installed in the casing on the side, away from the fan blade, of the motor, the dustproof mechanism comprises a dustproof net and a dust cleaning assembly, the dustproof net is fixed on the inner wall of the casing on the side, away from the fan blade, of the motor, the dust cleaning assembly is installed on a rear safety net, a rear safety net is fixed on the inner wall of the casing on the side, away from the motor, of the dustproof net, the dust cleaning assembly comprises a brush rod and a rotating shaft, the rotating shaft is rotationally connected with the rear safety net, a spline shaft is fixed at one end, close to the dustproof net, of the spline shaft, a chuck is fixed at one end, close to the dustproof net, of the spline shaft is sleeved with an inner spline shaft sleeve, and a spring is sleeved on the spline shaft between the inner spline shaft sleeve and the rear safety net, the brush rod is fixedly connected with the inner spline shaft sleeve, a brush is fixed on one side wall of the brush rod and attached to the dust screen under the action of the spring.
In any of the above schemes, preferably, the spring is always in a compressed state, so that the brush is attached to the dust screen, and the inner spline shaft sleeve is attached to the chuck.
In any of the above schemes, preferably, the periphery of the dust screen is fixed with a frame, the inner wall of the casing is fixed with a ring-shaped frame, and the frame and the ring-shaped frame are fixed by screws.
In any of the above schemes, it is preferred that the fixed preceding safety net of casing inner wall of fan flabellum front side, preceding safety net is the same with the structure of back safety net, back safety net includes supporting disk, annular frame, the equidistant annular array of periphery wall of supporting disk has a plurality of connecting rods, the connecting rod is fixed with the casing inner wall.
In any of the above schemes, it is preferable that the rotation connection pivot is gone up to the supporting disk on the back safety net, and the supporting disk is run through to the pivot, the fixed disc of one end that the dust screen was kept away from to the pivot, be equipped with anti-skidding line on the periphery wall of disc.
In any of the above schemes, preferably, two parallel supporting components are respectively fixed at the bottoms of the two side walls outside the casing to support and fix the casing.
In any of the above schemes, preferably, the support assembly includes a threaded sleeve and a bottom plate, the top end of the threaded sleeve is connected with an upper screw through threads, the bottom end of the threaded sleeve is connected with a lower screw through threads, the directions of spiral lines of the upper screw and the lower screw are opposite, the upper screw is fixed with the bottom of the side wall of the casing, the bottom end of the lower screw is hinged with the bottom plate, and the bottom plate is provided with at least two bolt holes for installing bolts.
In any of the above schemes, preferably, the top end and the bottom end of the threaded sleeve are respectively provided with a blind threaded hole, and the spiral line directions of the blind threaded hole at the top end of the threaded sleeve and the blind threaded hole at the bottom end of the threaded sleeve are opposite.
Compared with the prior art, the utility model provides a pair of axial fan ventilation structure has following beneficial effect:
1. the brush rod enables the brush to be attached to the dust screen under the elastic force of the spring, the rotating shaft drives the brush to rotate to remove dust and clean the dust screen, the motor drives the fan blades to rotate reversely to blow back the dust screen and blow off dust on the dust screen, the dust screen is cleaned, and the times of detaching and cleaning the dust screen are reduced;
2. two supporting components are arranged at the bottoms of two side walls of the casing respectively, so that when the casing is fixed, the distance between the upper screw rod and the lower screw rod can be adjusted, the height of the casing and the inclination angle can be adjusted, the blowing angle and the position height of fan blades can be changed, and the use is more convenient.
Drawings
Fig. 1 is a schematic overall structural view of a preferred embodiment of an axial flow fan ventilation structure provided in the present invention;
FIG. 2 is a schematic view of the rear safety net of FIG. 1;
fig. 3 is a schematic view illustrating the front safety net of fig. 1.
The figures are labeled as follows: 1. a housing; 2. a frame; 3. an annular frame; 4. a rear safety net; 5. a disc; 6. a spring; 7. a spline shaft; 8. a brush rod; 9. a motor; 10. fan blades; 11. a front safety net; 12. an upper screw rod; 13. a threaded sleeve; 14. a lower screw rod; 15. a base plate; 16. a support disc; 17. a connecting rod; 18. an annular rod.
Detailed Description
In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.
As shown in fig. 1-3, an embodiment of an axial flow fan ventilation structure provided by the present invention comprises a housing 1 and a dustproof mechanism, wherein a motor 9 is installed in the housing 1, blades of a fan blade 10 are installed on an output shaft of the motor 9, the dustproof mechanism is installed in the housing 1 on a side of the motor 9 away from the fan blade 10, the dustproof mechanism comprises a dustproof net and a dust cleaning component, the dustproof net is fixed on an inner wall of the housing 1 on a side of the motor 9 away from the fan blade 10, the dust cleaning component is installed on a rear safety net 4, the rear safety net 4 is fixed on an inner wall of the housing 1 on a side of the dustproof net away from the motor 9, the dust cleaning component comprises a brush rod 8 and a rotating shaft, the rotating shaft is rotatably connected with the rear safety net 4, a spline shaft 7 is fixed on the rotating shaft near one end of the dustproof net, the spline shaft 7 is fixed on a chuck near one end of the dustproof net, the cover has 7 covers of internal spline shaft on the integral key shaft 7, the cover has spring 6 on 7 integral key shaft between 7 covers of internal spline shaft and the back safety net 4, 7 cover fixed connection of brush pole 8 and internal spline shaft a lateral wall fixed brush of brush pole 8, and the brush is laminated on the dust screen under the spring 6 effect.
In the above structure, because the fit of the internal spline shaft 7 and the spline shaft 7, the brush rod 8 can move along the axis direction relative to the spline shaft 7, and the brush rod 8 can move relative to the dust screen, and has a buffering effect, so that the damage of the dust screen caused by the direct collision of the brush rod 8 with the dust screen when the rear safety net 4 is collided and dented towards the inner side of the casing 1 can be avoided.
The spring 6 is always in a compressed state, so that the brush is attached to the dust screen, and the inner spline shaft 7 is attached to the chuck.
The periphery fixed frame 2 of dust screen, the solid annular frame 3 of solid fixed ring on the 1 inner wall of casing, frame 2 is fixed through the screw with annular frame 3.
The pivot is rotated on the supporting disk 16 on the back safety net 4 and is connected, and the pivot runs through supporting disk 16, the fixed disc of one end 5 of dust screen is kept away from in the pivot, be equipped with anti-skidding line on the periphery wall of disc 5.
Two parallel supporting components are respectively fixed at the bottoms of the two side walls outside the machine shell 1 so as to support and fix the machine shell 1. Namely, four supporting components are fixed at the bottom of the outer side wall of the casing 1, and the four supporting components form a rectangular structure.
The supporting component comprises a threaded sleeve 13 and a bottom plate 15, a top end of the threaded sleeve 13 is connected with an upper screw 12 in a threaded mode, a bottom end of the threaded sleeve 13 is connected with a lower screw 14 in a threaded mode, the spiral line directions of the upper screw 12 and the lower screw 14 are opposite, the upper screw 12 is fixed to the bottom of the side wall of the casing 1, the bottom end of the lower screw 14 is hinged to the bottom plate 15, at least two bolt holes are formed in the bottom plate 15 and used for installing bolts, the bottom plate 15 is fixed to a preset installing position through bolts, and the position of the casing 1 is fixed through the fixing of the bottom plate 15.
The top and the bottom of the threaded sleeve 13 are respectively provided with a threaded blind hole, and the spiral line directions of the threaded blind hole at the top end of the threaded sleeve 13 and the threaded blind hole at the bottom end are opposite.
Because the spiral line opposite direction of last screw rod 12 and lower screw rod 14, so rotatory swivel nut 13 can make last screw rod 12 and lower screw rod 14 do the linear motion that is close to each other or keeps away from, so not only can adjust the whole height of casing 1, with the air-out height of adjusting fan flabellum 10, and in accommodation process, can make the length difference of the last screw rod 12 of casing 1 front side and rear side and the concatenation of lower screw rod 14, so that casing 1 takes place the slope, with the angle of blowing of adjusting fan flabellum 10, high durability and convenient use, wide application.
In this embodiment, a front safety net and a rear safety net are mounted on the casing to protect components inside the casing.
The working principle of the embodiment is as follows: when the axial flow fan works, the bottom plate 15 is fixed at a preset installation position through bolts, the upper screw 12 and the lower screw 14 move away from or close to each other through the forward or reverse rotation of the screw sleeve 13, the whole height of the casing 1 can be adjusted, so that the blowing height of the fan blade 10 of the fan can be adjusted, and when the heights of the two supporting components at the front side and the rear side of the casing 1 are different, the adjustment of the air drying and blowing angle can be realized, the use is more convenient, the motor 9 is started to drive the fan blade 10 to rotate, so that the air filtered by the dust screen is blown out from the front safety net 11, so that the dust in the air is prevented from entering a ventilation chamber, when the dust screen is cleaned, the disc 5 is manually driven to rotate the rotating shaft, so that the brush rod 8 drives the brush to rotate, the dust on the dust screen is cleaned, and during the cleaning, can drive fan flabellum 10 antiport through making motor 9 to the realization is to the blowback function of dust screen, and the dust is got rid of cleaner, reduces the number of times that the clearance was pulled down to the dust screen.
It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an axial fan ventilation structure which characterized in that: the dustproof mechanism comprises a shell and a dustproof mechanism, wherein a motor is installed in the shell, a fan blade is installed on an output shaft of the motor, the dustproof mechanism is installed in the shell on one side, away from the fan blade, of the motor, the dustproof mechanism comprises a dustproof net and a dust cleaning assembly, the dustproof net is fixed on the inner wall of the shell on one side, away from the fan blade, of the motor, the dust cleaning assembly is installed on a rear safety net, a rear safety net is fixed on the inner wall of the shell on one side, away from the motor, of the dustproof net, the dust cleaning assembly comprises a brush rod and a rotating shaft, the rotating shaft is rotatably connected with the rear safety net, a spline shaft is fixed at one end, close to the dustproof net, of the spline shaft is fixed with a chuck at one end, close to the dustproof net, an internal spline shaft sleeve is sleeved on the spline shaft, a spring is sleeved on the spline shaft between the internal spline shaft sleeve and the rear safety net, and the brush rod is fixedly connected with the internal spline shaft sleeve, a side wall of the brush rod is fixed with a brush, and the brush is attached to the dust screen under the action of a spring.
2. The axial fan ventilation structure of claim 1, wherein: the spring is always in a compression state, so that the brush is attached to the dust screen while the inner spline shaft sleeve is attached to the chuck.
3. The axial fan ventilation structure of claim 1, wherein: the periphery of dust screen fixed frame, the solid annular frame of solid fixed ring shape on the casing inner wall, the frame is fixed through the screw with the annular frame.
4. The axial fan ventilation structure of claim 1, wherein: safety net before the casing inner wall of fan flabellum front side is fixed, the structure of preceding safety net is the same with back safety net, back safety net includes supporting disk, annular frame, equidistant annular array has a plurality of connecting rods on the periphery wall of supporting disk, the connecting rod is fixed with the casing inner wall.
5. The axial fan ventilation structure of claim 4, wherein: the supporting disk on the back safety net is gone up and is rotated the connection pivot, and the pivot runs through the supporting disk, the fixed disc of one end of dust screen is kept away from in the pivot, be equipped with anti-skidding line on the periphery wall of disc.
6. The axial fan ventilation structure of claim 1, wherein: two parallel supporting components are respectively fixed at the bottoms of the two side walls outside the casing so as to support and fix the casing.
7. The axial fan ventilation structure of claim 6, wherein: the supporting component comprises a threaded sleeve and a bottom plate, the top end of the threaded sleeve is connected with an upper screw rod in a threaded mode, the bottom end of the threaded sleeve is connected with a lower screw rod in a threaded mode, the spiral line directions of the upper screw rod and the lower screw rod are opposite, the upper screw rod is fixed to the bottom of the side wall of the shell, the bottom end of the lower screw rod is hinged to the bottom plate, and at least two bolt holes are formed in the bottom plate to install bolts.
8. The axial fan ventilation structure of claim 7, wherein: the thread blind holes are formed in the top end and the bottom end of the threaded sleeve respectively, and the spiral line directions of the thread blind holes in the top end of the threaded sleeve are opposite to those of the thread blind holes in the bottom end of the threaded sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120411061.2U CN214304466U (en) | 2021-02-24 | 2021-02-24 | Axial fan ventilation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120411061.2U CN214304466U (en) | 2021-02-24 | 2021-02-24 | Axial fan ventilation structure |
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| Publication Number | Publication Date |
|---|---|
| CN214304466U true CN214304466U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120411061.2U Active CN214304466U (en) | 2021-02-24 | 2021-02-24 | Axial fan ventilation structure |
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| CN (1) | CN214304466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790494A (en) * | 2021-10-28 | 2021-12-14 | 赵绪华 | Ventilation energy-saving system of green building |
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2021
- 2021-02-24 CN CN202120411061.2U patent/CN214304466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790494A (en) * | 2021-10-28 | 2021-12-14 | 赵绪华 | Ventilation energy-saving system of green building |
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