CN211648503U - Explosion-proof axial fan - Google Patents
Explosion-proof axial fan Download PDFInfo
- Publication number
- CN211648503U CN211648503U CN202020076817.8U CN202020076817U CN211648503U CN 211648503 U CN211648503 U CN 211648503U CN 202020076817 U CN202020076817 U CN 202020076817U CN 211648503 U CN211648503 U CN 211648503U
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- filter screen
- shell
- fan
- support frame
- explosion
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Abstract
The utility model discloses a fan aims at providing an explosion-proof axial fan, and its technical scheme main points are, including the shell with arrange the axial fan in the shell in, axial fan includes motor, belt, axis of rotation, pivot and sets up in the epaxial blade of pivot, and the output shaft of motor passes through belt and connecting rod swing joint, be equipped with the support frame in the shell, axial fan passes through support frame and shell fixed connection, be equipped with first filter screen on the support frame, be equipped with the third filter screen on the shell, be equipped with the second filter screen between first filter screen and the third filter screen, second filter screen and support frame fixed connection. The utility model has the advantages that: the filter screen is arranged, so that sundries can be effectively prevented from entering the fan, the sundries are prevented from contacting with the blades, and the fan is prevented from exploding; the motor is far away from the center of the fan, so that the contact with explosive gas can be effectively avoided, and the explosion is effectively prevented.
Description
Technical Field
The utility model relates to a fan, more specifically say, it relates to an explosion-proof axial fan.
Background
At present, when many factories are manufactured and processed, indoor air can contain flammable and explosive gases such as gas, gasoline, ether, ethanol and benzene with certain concentration, sparks generated by electric contact, mechanical friction or electrostatic discharge can cause combustion or explosion, so that an axial flow fan can be arranged for suction to enable the indoor air to be circulated, but the axial flow fan is driven by electric energy when working, so that the flammable and explosive gases are easily ignited under the conditions of cremation and the like, the axial flow fan can suck some sundries when working, and the sparks are easily ignited by contacting with blades to cause safety accidents.
In view of the foregoing, there is a need for an explosion-proof axial flow fan.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an explosion-proof axial fan.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an explosion-proof axial fan, includes the shell and arranges the axial fan in the shell in, axial fan includes motor, belt, axis of rotation, pivot and sets up in the epaxial blade of pivot, and the output shaft of motor passes through belt and connecting rod swing joint, be equipped with the support frame in the shell, axial fan passes through support frame and shell fixed connection, be equipped with first filter screen on the support frame, be equipped with the third filter screen on the shell, be equipped with the second filter screen between first filter screen and the third filter screen, second filter screen and support frame fixed connection.
By adopting the technical scheme, the axial flow fan is fixed in the shell through the supporting frame, so that the axial flow fan can operate more stably. Axial fan includes the motor, the belt, the axis of rotation, the pivot with set up in changeing epaxial blade, wherein the bottom in the shell is installed to the motor, keep away from the center of fan, can reduce the contact with the flammable explosive gas that fan department flows through, prevent that the explosion from producing, the belt is used for connecting axis of rotation and motor output shaft, can guarantee to operate normally under the condition that the fan center was kept away from to the motor, axis of rotation and pivot fixed connection, it rotates together to drive the pivot when can guaranteeing the axis of rotation to rotate, the blade is the glass steel blade, the surface scribbles epoxy, prevent that blade and metal contact from producing the spark. Install first filter screen on the support frame, install the third filter screen on the shell, install the second filter screen between first filter screen and the third filter screen, can effectively filter the debris of equidimension not through installing three filter screen, prevent in debris entering the fan, effectively prevent the production of explosion.
The utility model discloses further set up to: the axis of rotation runs through the support frame and with pivot fixed connection, be equipped with the belt pulley in the axis of rotation, the belt pulley rotates with the belt to be connected.
Through adopting above-mentioned technical scheme, axis of rotation and pivot integrated into one piece have cup jointed the belt pulley in the axis of rotation, belt pulley and motor output shaft are connected to the belt, the bottom in the shell is installed to the motor, keep away from the center of fan, the motor is through driving the belt function to drive the belt pulley and rotate, the belt pulley drives the axis of rotation and rotates, the axis of rotation drives the pivot and rotates, the pivot drives the blade and rotates, thereby make the air obtain the circulation, prevent that fire from igniting easily fires explosive gas.
The utility model discloses further set up to: the mesh diameter of the third filter screen is larger than that of the second filter screen, and the mesh diameter of the second filter screen is larger than that of the first filter screen.
Through adopting above-mentioned technical scheme, degressive filter screen in proper order through installation aperture size can effectively filter the debris of various sizes, both can protect inside fan to receive the damage, can also prevent that debris and blade contact from producing the spark, lead to inflammable and explosive gas to be flammable.
The utility model discloses further set up to: the filter box is arranged in the shell, and a filter plate matched with the second filter screen and the third filter screen is arranged on the filter box.
Through adopting above-mentioned technical scheme, the collecting box is used for collecting the debris that are blockked by the filter screen, prevents that debris accumulation from blockking up, and the filter both plays filterable effect, can also be with the categorised collection of the debris of collecting, neatly and convenient more.
The utility model discloses further set up to: the collecting box is connected with the shell in an inserting mode, and a handle is arranged on the collecting box.
Through adopting above-mentioned technical scheme, through the installation and the dismantlement of the shell of being convenient for of plug-in connection, collect a period of back at the collecting box, need take out the clearance rubbish. The handle is welded on the collecting box, so that the collecting box can be conveniently installed and replaced by a user.
The utility model has the advantages that: the filter screen is arranged, so that sundries can be effectively prevented from entering the fan, the sundries are prevented from contacting with the blades, and the fan is prevented from exploding; the motor is far away from the center of the fan, so that the contact with explosive gas can be effectively avoided, and the explosion is effectively prevented.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals:
1. the novel filter comprises a shell, 2 parts of an axial flow fan, 21 parts of a motor, 22 parts of a belt, 23 parts of a rotating shaft, 24 parts of a rotating shaft, 25 parts of blades, 26 parts of a belt pulley, 3 parts of a support frame, 4 parts of a first filter screen, 5 parts of a second filter screen, 6 parts of a third filter screen, 7 parts of a collecting box, 71 parts of a filter board and 72 parts of a handle.
Detailed Description
The present invention is further described with reference to fig. 1.
The utility model provides an explosion-proof axial fan, includes shell 1 and arranges axial fan 2 in shell 1 in, axial fan 2 includes motor 21, belt 22, axis of rotation 23, pivot 24 and sets up the blade 25 in pivot 24, and motor 21's output shaft passes through belt 22 and connecting rod swing joint, is equipped with support frame 3 in the shell 1, and axial fan 2 passes through support frame 3 and shell 1 fixed connection, is equipped with first filter screen 4 on the support frame 3, be equipped with third filter screen 6 on the shell 1, be equipped with second filter screen 5 between first filter screen 4 and the third filter screen 6, second filter screen 5 and support frame 3 fixed connection. Axial fan 2 passes through support frame 3 to be fixed in shell 1, can make axial fan 2 operation more stable. Axial fan 2 includes motor 21, belt 22, axis of rotation 23, pivot 24 and set up the blade 25 in pivot 24, wherein motor 21 installs the bottom in shell 1, keep away from the center of fan, can reduce the contact with the flammable explosive gas that the fan department flows through, prevent the explosion and produce, belt 22 is used for connecting axis of rotation 23 and motor 21 output shaft, can guarantee to operate normally under the condition that the fan center is kept away from to motor 21, axis of rotation 23 and pivot 24 fixed connection, can guarantee to drive axis of rotation 23 when rotating and rotate shaft 24 together, blade 25 is glass steel blade 25, the surface scribbles epoxy, prevent that blade 25 and metal contact from producing the spark. Install first filter screen 4 on support frame 3, install third filter screen 6 on the shell 1, install second filter screen 5 between first filter screen 4 and the third filter screen 6, can effectively filter the debris of equidimension not through installing three filter screen, prevent in debris entering the fan, effectively prevent the production of explosion. Axis of rotation 23 runs through support frame 3 and with pivot 24 fixed connection, be equipped with belt pulley 26 on the axis of rotation 23, belt pulley 26 rotates with belt 22 to be connected, axis of rotation 23 and pivot 24 integrated into one piece, belt pulley 26 has been cup jointed on the axis of rotation 23, belt pulley 26 and motor 21 output shaft are connected to the belt 22, motor 21 installs the bottom in shell 1, keep away from the center of fan, motor 21 is through driving belt 22 function, thereby it rotates to drive belt pulley 26, belt pulley 26 drives axis of rotation 23 and rotates, axis of rotation 23 drives the pivot 24 and rotates, pivot 24 drives blade 25 and rotates, thereby make the air obtain the circulation, prevent that the fire from igniting easily explodeing the gas. The mesh diameter of the third filter 6 is larger than the mesh diameter of the second filter 5, and the mesh diameter of the second filter 5 is larger than the mesh diameter of the first filter 4. Through the filter screen that the installation aperture size descends progressively in proper order, the debris of various sizes can effectively be filtered, both can protect inside fan to receive the damage, can also prevent that debris and blade 25 contact from producing the spark, lead to easily fire explosive gas and be flammable. The collecting box 7 is arranged in the shell 1, and the filtering plate 71 matched with the second filtering net 5 and the third filtering net 6 is integrally formed on the collecting box 7. The collecting box 7 is used for collecting sundries blocked by the filter screen, so that sundries are prevented from being accumulated and blocked, the filter plate 71 has a filtering effect, and collected sundries can be collected in a classified mode and are tidier and more convenient. The collecting box 7 is connected with the shell 1 in an inserting way, and a handle 72 is integrally formed on the collecting box 7. The plug-in connection facilitates the mounting and dismounting of the housing 1, which needs to be taken out for cleaning up the waste after the collection bin 7 has been collected for a period of time. The handle 72 is welded to the collection container 7 to facilitate the user in mounting and replacing the collection container 7.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (5)
1. The utility model provides an explosion-proof axial fan, includes shell (1) and arranges axial fan (2) in shell (1), its characterized in that, axial fan (2) include motor (21), belt (22), axis of rotation (23), pivot (24) and set up blade (25) on pivot (24), and the output shaft of motor (21) passes through belt (22) and connecting rod swing joint, be equipped with support frame (3) in shell (1), axial fan (2) are through support frame (3) and shell (1) fixed connection, be equipped with first filter screen (4) on support frame (3), be equipped with third filter screen (6) on shell (1), be equipped with second filter screen (5) between first filter screen (4) and third filter screen (6), second filter screen (5) and support frame (3) fixed connection.
2. The explosion-proof axial flow fan according to claim 1, wherein the rotating shaft (23) penetrates through the support frame (3) and is fixedly connected with the rotating shaft (24), a belt pulley (26) is arranged on the rotating shaft (23), and the belt pulley (26) is rotatably connected with the belt (22).
3. An explosion-proof axial fan according to claim 1, characterized in that the mesh diameter of the third filter (6) is greater than the mesh diameter of the second filter (5), and the mesh diameter of the second filter (5) is greater than the mesh diameter of the first filter (4).
4. The explosion-proof axial flow fan according to claim 1, characterized in that a collection box (7) is provided in the housing (1), and a filter plate (71) engaged with the second filter screen (5) and the third filter screen (6) is provided on the collection box (7).
5. The explosion-proof axial flow fan according to claim 4, wherein the collection box (7) is connected with the housing (1) in an inserting manner, and a handle (72) is arranged on the collection box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020076817.8U CN211648503U (en) | 2020-01-14 | 2020-01-14 | Explosion-proof axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020076817.8U CN211648503U (en) | 2020-01-14 | 2020-01-14 | Explosion-proof axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648503U true CN211648503U (en) | 2020-10-09 |
Family
ID=72705467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020076817.8U Active CN211648503U (en) | 2020-01-14 | 2020-01-14 | Explosion-proof axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648503U (en) |
-
2020
- 2020-01-14 CN CN202020076817.8U patent/CN211648503U/en active Active
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