CN210686448U

CN210686448U - Replacement mechanism of impeller for fan

Info

Publication number: CN210686448U
Application number: CN201921550070.9U
Authority: CN
Inventors: 王志学
Original assignee: Guiyang Jiuzhou Xiangfeng Environmental Protection Technology Co Ltd
Current assignee: Guiyang Jiuzhou Xiangfeng Environmental Protection Technology Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-05
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a change mechanism of impeller for fan, including the fan body, the left side fixedly connected with protection machine case of fan body, the inside of protection machine case is provided with drive mechanism, drive mechanism's top and bottom respectively with the top and the bottom fixed connection of protection machine incasement wall, drive mechanism's output runs through the fan body and extends to the inside fixedly connected with transmission shaft of fan body, the right side swing joint on transmission shaft surface has the impeller. The utility model discloses a set up the cooperation of fan body, protection machine case, drive mechanism, transmission shaft, impeller, carousel, positive and negative tooth lead screw, first bearing, thread bush, first reference column, first lifter plate, first fixture block, second reference column, second lifter block and second fixture block, make first fixture block and second fixture block and impeller separation, separate impeller and transmission shaft again, solved the problem that current fan is not convenient for change the impeller.

Description

Replacement mechanism of impeller for fan

Technical Field

The utility model relates to a fan technical field specifically is a change mechanism of impeller for fan.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and for ventilation and draught of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.

The fan is internally provided with the impeller, the general fan is integrated with the transmission device on the fan, the impeller is not convenient to replace, and a professional tool is required to be used for dismounting and replacing when the fan impeller is replaced, so that a large amount of time is wasted, and the practicability of the fan is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a change mechanism of impeller for fan possesses the advantage of being convenient for change the impeller, has solved the problem that current fan is not convenient for change the impeller.

In order to achieve the above object, the utility model provides a following technical scheme: a replacement mechanism of an impeller for a fan comprises a fan body, wherein a protection case is fixedly connected to the left side of the fan body, a transmission mechanism is arranged inside the protection case, the top and the bottom of the transmission mechanism are fixedly connected with the top and the bottom of the inner wall of the protection case respectively, the output end of the transmission mechanism penetrates through the fan body and extends to the inside of the fan body, the impeller is movably connected to the right side of the surface of the transmission shaft, a rotary disc is arranged on the right side of the transmission shaft, a positive and negative screw rod is fixedly connected to the left side of the rotary disc, a first bearing is fixedly connected to the inside of the transmission shaft, the left side of the positive and negative screw rod penetrates through the transmission shaft and extends to the transmission shaft, thread sleeves are respectively connected to the two sides of the surface of the positive and negative screw rod in a threaded manner, a first positioning column is movably connected, the top fixedly connected with first fixture block of first lifter plate, the top of first fixture block runs through the transmission shaft and extends to the inside of impeller, the back swing joint of thread bush has the second reference column, the bottom swing joint of second reference column has the second lifter block, the bottom fixedly connected with second fixture block of second lifter block, the bottom of second fixture block runs through the transmission shaft and extends to the inside of impeller.

Preferably, the bottom of the fan body is fixedly connected with a supporting plate, and the bottom of the supporting plate is fixedly connected with a fixing block.

Preferably, the right side swing joint of fan body has the guard plate, the right side of guard plate is provided with the bolt, the left side of bolt runs through the guard plate and extends to the inside of fan body.

Preferably, the left side of carousel top is provided with the pilot pin, the left side of pilot pin runs through the carousel and extends to the inside of transmission shaft.

Preferably, the surface of the positive and negative tooth screw rod is fixedly connected with a second bearing, and the right side of the second bearing is fixedly connected with the transmission shaft.

Preferably, the two sides of the first lifting plate and the second lifting block are fixedly connected with sliding blocks, sliding grooves are formed in the top and the bottom of the two sides of the inner wall of the transmission shaft, and the sliding blocks are connected with the sliding grooves in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the fan body, the protection machine case, drive mechanism, the transmission shaft, the impeller, the carousel, positive and negative tooth lead screw, first bearing, the thread bush, first reference column, first lifter plate, first fixture block, the second reference column, the cooperation of second lifter block and second fixture block, make first fixture block and second fixture block and impeller separation, separate impeller and transmission shaft again, the problem of current fan change impeller of being not convenient for has been solved, this change mechanism of impeller for fan, possess the advantage of being convenient for change impeller, the user need not dismantle the change with professional instrument when changing fan impeller, thereby save a large amount of time, the practicality of fan has been improved.

2. The utility model discloses a set up backup pad and fixed block, can support the fan body, prevent fan body and subaerial corrosive substance contact, thereby the life of fan body has been prolonged, through setting up guard plate and bolt, can protect the fan body, prevent that the foreign object from getting into the inside of fan body, through setting up the pilot pin, can fix the carousel, prevent that the carousel from appearing the pivoted phenomenon when not needing to rotate, through setting up the second bearing, can fix positive and negative tooth lead screw, prevent that the phenomenon of rocking from appearing in positive and negative tooth lead screw, through setting up slider and spout, can protect first lifter plate and second lifter, prevent that first lifter plate and second lifter and transmission shaft from appearing the fricative phenomenon.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic right-view of the structure of FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic view of a portion of the structure of fig. 1 according to the present invention.

In the figure: the fan comprises a fan body 1, a protective case 2, a transmission mechanism 3, a transmission shaft 4, an impeller 5, a rotary table 6, a screw rod with positive and negative teeth 7, a first bearing 8, a threaded sleeve 9, a first positioning column 10, a first lifting plate 11, a first clamping block 12, a second positioning column 13, a second lifting block 14, a second clamping block 15, a supporting plate 16, a fixed block 17, a protective plate 18, a bolt 19, a positioning bolt 20, a second bearing 21, a sliding block 22 and a sliding groove 23.

Detailed Description

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

Referring to fig. 1-3, a replacement mechanism for an impeller of a fan comprises a fan body 1, a support plate 16 is fixedly connected to the bottom of the fan body 1, a fixed block 17 is fixedly connected to the bottom of the support plate 16, the fan body 1 can be supported by arranging the support plate 16 and the fixed block 17, and the fan body 1 is prevented from contacting with a corrosive substance on the ground, so that the service life of the fan body 1 is prolonged, a protection plate 18 is movably connected to the right side of the fan body 1, a bolt 19 is arranged on the right side of the protection plate 18, the left side of the bolt 19 penetrates through the protection plate 18 and extends into the fan body 1, the fan body 1 can be protected by arranging the protection plate 18 and the bolt 19, so as to prevent foreign objects from entering the inside of the fan body 1, a protection case 2 is fixedly connected to the left side of the fan body 1, and, the top and the bottom of the transmission mechanism 3 are respectively fixedly connected with the top and the bottom of the inner wall of the protective case 2, the output end of the transmission mechanism 3 penetrates through the fan body 1 and extends to the inside of the fan body 1 to be fixedly connected with a transmission shaft 4, the right side of the surface of the transmission shaft 4 is movably connected with an impeller 5, the right side of the transmission shaft 4 is provided with a turntable 6, the left side of the top of the turntable 6 is provided with a positioning bolt 20, the left side of the positioning bolt 20 penetrates through the turntable 6 and extends to the inside of the transmission shaft 4, the turntable 6 can be fixed by arranging the positioning bolt 20, the phenomenon that the turntable 6 rotates when not needing to rotate is prevented, the left side of the turntable 6 is fixedly connected with a positive and negative tooth lead screw 7, the surface of the positive and negative tooth lead screw 7 is fixedly connected with a second bearing 21, the right side, the phenomenon of shaking of the positive and negative thread lead screw 7 is prevented, the left side of the positive and negative thread lead screw 7 penetrates through the transmission shaft 4 and extends to the inside of the transmission shaft 4 and is fixedly connected with a first bearing 8, both sides of the surface of the positive and negative thread lead screw 7 are in threaded connection with a threaded sleeve 9, the front of the threaded sleeve 9 is movably connected with a first positioning column 10, the top of the first positioning column 10 is movably connected with a first lifting plate 11, the top of the first lifting plate 11 is fixedly connected with a first clamping block 12, the top of the first clamping block 12 penetrates through the transmission shaft 4 and extends to the inside of the impeller 5, the back of the threaded sleeve 9 is movably connected with a second positioning column 13, the bottom of the second positioning column 13 is movably connected with a second lifting block 14, both sides of the first lifting plate 11 and the second lifting block 14 are fixedly connected with sliding blocks 22, both tops and bottoms of both sides of the inner wall of the, the first lifting plate 11 and the second lifting block 14 can be protected by arranging the sliding block 22 and the sliding groove 23, so that the first lifting plate 11 and the second lifting block 14 are prevented from being rubbed with the transmission shaft 4, the bottom of the second lifting block 14 is fixedly connected with the second fixture block 15, the bottom of the second fixture block 15 penetrates through the transmission shaft 4 and extends into the impeller 5, and the first fixture block 12 and the second fixture block 15 are separated from the impeller 5 and then the impeller 5 is separated from the transmission shaft 4 by matching the fan body 1, the protective case 2, the transmission mechanism 3, the transmission shaft 4, the impeller 5, the rotary table 6, the positive and negative lead screws 7, the first bearing 8, the threaded sleeve 9, the first positioning column 10, the first lifting plate 11, the first fixture block 12, the second positioning column 13, the second lifting block 14 and the second fixture block 15, so that the impeller 5 is separated from the transmission shaft 4, possess the advantage of being convenient for change impeller, the user need not dismantle the change with professional instrument when changing fan wheel to save a large amount of time, improved the practicality of fan.

When the device is used, a user pulls out the bolt 19, the protection plate 18 is taken down, the rotary table 6 is rotated again, the rotary table 6 drives the positive and negative screw rods 7 to rotate, the positive and negative screw rods 7 drive the threaded sleeves 9 to move outwards through the meshing of threads and threads, the threaded sleeves 9 drive one ends of the first positioning columns 10 to move outwards and drive one ends of the second positioning columns 13 to move outwards, the first positioning columns 10 drive the first lifting plates 11 to move downwards through the outward movement of one ends, the first lifting plates 11 drive the first fixture blocks 12 to move downwards, the second positioning columns 13 drive the second lifting blocks 14 to move upwards through the outward movement of one ends, the second lifting blocks 14 drive the second fixture blocks 15 to move upwards, the first fixture blocks 12 and the second fixture blocks 15 move upwards to be separated from the impeller 5, and then the impeller 5 is separated from the transmission shaft 4, and therefore the effect of facilitating impeller replacement is achieved.

In summary, the following steps: this change mechanism of impeller for fan has solved the problem that current fan is not convenient for change the impeller through fan body 1, protection machine case 2, drive mechanism 3, transmission shaft 4, impeller 5, carousel 6, positive and negative tooth lead screw 7, first bearing 8, thread bush 9, first reference column 10, first lifter plate 11, first fixture block 12, second reference column 13, second lifter block 14 and the cooperation of second fixture block 15.

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. The utility model provides a change mechanism of impeller for fan, includes fan body (1), its characterized in that: the fan is characterized in that a protective case (2) is fixedly connected to the left side of the fan body (1), a transmission mechanism (3) is arranged inside the protective case (2), the top and the bottom of the transmission mechanism (3) are fixedly connected with the top and the bottom of the inner wall of the protective case (2) respectively, the output end of the transmission mechanism (3) penetrates through the fan body (1) and extends to the inside of the fan body (1) to be fixedly connected with a transmission shaft (4), an impeller (5) is movably connected to the right side of the surface of the transmission shaft (4), a rotary table (6) is arranged on the right side of the transmission shaft (4), a positive and negative screw rod (7) is fixedly connected to the left side of the rotary table (6), a first bearing (8) is fixedly connected to the inside of the transmission shaft (4) and extends to the left side of the positive and negative screw rod (7), and negative screw sleeves (9) are in threaded, the front swing joint of thread bush (9) has first locating column (10), the top swing joint of first locating column (10) has first lifter plate (11), the first fixture block (12) of top fixedly connected with of first lifter plate (11), the inside that transmission shaft (4) and extended to impeller (5) is run through at the top of first fixture block (12), the back swing joint of thread bush (9) has second reference column (13), the bottom swing joint of second reference column (13) has second elevator (14), the bottom fixedly connected with second fixture block (15) of second elevator (14), the inside that transmission shaft (4) and extended to impeller (5) is run through to the bottom of second fixture block (15).

2. The replacement mechanism of the impeller for the blower according to claim 1, wherein: the bottom fixedly connected with backup pad (16) of fan body (1), the bottom fixedly connected with fixed block (17) of backup pad (16).

3. The replacement mechanism of the impeller for the blower according to claim 1, wherein: the right side swing joint of fan body (1) has guard plate (18), the right side of guard plate (18) is provided with bolt (19), the left side of bolt (19) runs through guard plate (18) and extends to the inside of fan body (1).

4. The replacement mechanism of the impeller for the blower according to claim 1, wherein: the left side at carousel (6) top is provided with pilot pin (20), the left side of pilot pin (20) runs through carousel (6) and extends to the inside of transmission shaft (4).

5. The replacement mechanism of the impeller for the blower according to claim 1, wherein: the surface of the positive and negative teeth screw rod (7) is fixedly connected with a second bearing (21), and the right side of the second bearing (21) is fixedly connected with the transmission shaft (4).

6. The replacement mechanism of the impeller for the blower according to claim 1, wherein: the two sides of the first lifting plate (11) and the second lifting block (14) are fixedly connected with sliding blocks (22), sliding grooves (23) are formed in the top and the bottom of the two sides of the inner wall of the transmission shaft (4), and the sliding blocks (22) are connected with the sliding grooves (23) in a sliding mode.