CN213953937U - Centrifugal fan for industrial ventilation - Google Patents
Centrifugal fan for industrial ventilation Download PDFInfo
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- CN213953937U CN213953937U CN202022462927.0U CN202022462927U CN213953937U CN 213953937 U CN213953937 U CN 213953937U CN 202022462927 U CN202022462927 U CN 202022462927U CN 213953937 U CN213953937 U CN 213953937U
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Abstract
The utility model provides a centrifugal fan for industry ventilation. The centrifugal fan for industrial ventilation comprises a base; the first shell is fixedly arranged on the top of the base; the air outlet pipe is fixedly arranged on the first shell and communicated with the first shell; the rotating disc is rotatably arranged in the first shell; a plurality of blades fixedly mounted on the rotary disk; the first through hole is formed in the first shell; the second shell is fixedly arranged on the first shell; and the second through hole is formed in the second shell. The utility model provides a centrifugal fan for industry is ventilated has convenient to use, is convenient for filter dust, impurity etc. and is convenient for dismantle and fixed advantage to the filter.
Description
Technical Field
The utility model relates to a centrifugal fan technical field especially relates to a centrifugal fan for industry is ventilated.
Background
Industrial ventilation is an industrial ventilation engineering and technique adopted to ensure safety and health during construction work, to provide sufficient air meeting sanitary standards, to maintain the ambient temperature within an allowable range, and to exhaust gas, coal dust, mine dust, and harmful gases. Industrial ventilation is classified into natural ventilation and mechanical ventilation, and generally, the mechanical ventilation uses a centrifugal fan for industrial ventilation.
However, the conventional industrial ventilation centrifugal fan is poor in use environment in the use process, and internal accessories and dust, impurities and the like in the air are easily damaged by friction when air is conveyed, so that the dust, the impurities and the like in the air are not filtered conveniently.
Therefore, there is a need to provide a new centrifugal fan for industrial ventilation to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a convenient to use, be convenient for filter dust, impurity etc. and be convenient for dismantle and fixed a centrifugal fan for industry ventilation to the filter.
In order to solve the technical problem, the utility model provides a centrifugal fan for industry ventilation includes: a base; the first shell is fixedly arranged on the top of the base; the air outlet pipe is fixedly arranged on the first shell and communicated with the first shell; the rotating disc is rotatably arranged in the first shell; a plurality of blades fixedly mounted on the rotary disk; the first through hole is formed in the first shell; the second shell is fixedly arranged on the first shell; the second through hole is formed in the second shell; the filter plate is movably arranged in the second shell, and the top of the filter plate extends out of the second shell; the rotating column is rotatably arranged on the first shell, and one end of the rotating column extends into the first shell and is fixedly connected with the rotating disc; the motor is fixedly arranged at the top of the base; the first belt pulley is fixedly arranged on an output shaft of the motor; the second belt pulley is fixedly arranged at one end of the rotating column; the belt is sleeved on the first belt pulley and the second belt pulley.
Preferably, two cavities are symmetrically formed in the filter plate, positioning rods are arranged in the cavities in a sliding mode, two positioning grooves are symmetrically formed in the top of the second shell, and the positioning rods are matched with the corresponding positioning grooves.
Preferably, the top of the positioning rod is provided with a third through hole, the filter plate is provided with a pull rod in a sliding manner, and the bottom end of the pull rod extends into the cavity and is in sliding connection with the inner wall of the third through hole.
Preferably, a convex block is fixedly installed on the pull rod and is in sliding connection with the inner wall of the third through hole.
Preferably, a sliding rod is fixedly installed in the cavity and is in sliding connection with the positioning rod.
Preferably, the sliding rod is sleeved with a compression spring in a sliding manner, and two ends of the compression spring are fixedly connected with the positioning rod and the inner wall of the cavity respectively.
Compared with the prior art, the utility model provides a centrifugal fan for industry ventilation has following beneficial effect:
the utility model provides a centrifugal fan for industry ventilation, the rolling disc rotates to be installed in the first casing, it is a plurality of blade fixed mounting is in on the rolling disc, be convenient for produce centrifugal force with wind suction first casing in back through going out the tuber pipe and discharge, filter movable mounting be in the second casing, just the top of filter extends to outside the second casing, be convenient for carry out filtration treatment to dust, impurity etc. two cavities have been seted up to the symmetry on the filter, slidable mounting has the locating lever in the cavity, two constant head tanks have been seted up to the top symmetry of second casing, locating lever and the constant head tank looks adaptation that corresponds, the filter of being convenient for is dismantled and is installed.
Drawings
Fig. 1 is a schematic structural diagram of a centrifugal fan for industrial ventilation according to a preferred embodiment of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic front sectional view of the first housing of the present invention;
fig. 4 is an enlarged schematic view of a portion a shown in fig. 1.
Reference numbers in the figures: 1. a base; 2. a first housing; 3. an air outlet pipe; 4. rotating the disc; 5. a blade; 6. a first through hole; 7. a second housing; 8. a second through hole; 9. a filter plate; 10. rotating the column; 11. a motor; 12. a first pulley; 13. a second pulley; 14. a belt; 15. a chamber; 16. positioning a rod; 17. positioning a groove; 18. a third through hole; 19. a pull rod; 20. a bump; 21. a slide bar; 22. compressing the spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a centrifugal fan for industrial ventilation according to a preferred embodiment of the present invention; fig. 2 is a schematic top view of the present invention; fig. 3 is a schematic front sectional view of the first housing of the present invention; fig. 4 is an enlarged schematic view of a portion a shown in fig. 1. A centrifugal fan for industrial ventilation comprises: a base 1; the first shell 2 is fixedly arranged on the top of the base 1; the air outlet pipe 3 is fixedly arranged on the first shell 2, and the air outlet pipe 3 is communicated with the first shell 2; the rotating disc 4 is rotatably arranged in the first shell 2; a plurality of blades 5, wherein the plurality of blades 5 are fixedly arranged on the rotating disk 4; the first through hole 6 is formed in the first shell 2; the second shell 7, the said second shell 7 is fixedly mounted on said first shell 2; the second through hole 8 is formed in the second shell 7, and the second through hole 8 is formed in the second shell 7; the filter plate 9 is movably arranged in the second shell 7, and the top of the filter plate 9 extends out of the second shell 7; the rotating column 10 is rotatably mounted on the first shell 2, and one end of the rotating column 10 extends into the first shell 2 and is fixedly connected with the rotating disc 4; the motor 11 is fixedly arranged on the top of the base 1; the first belt pulley 12, the said first belt pulley 12 is fixedly mounted on output shaft of the said motor 11; the second belt pulley 13 is fixedly arranged at one end of the rotating column 10; and the belt 14 is sleeved on the first belt pulley 12 and the second belt pulley 13.
Two cavities 15 are symmetrically formed in the filter plate 9, positioning rods 16 are arranged in the cavities 15 in a sliding mode, two positioning grooves 17 are symmetrically formed in the top of the second shell 7, and the positioning rods 16 are matched with the corresponding positioning grooves 17.
The top of the positioning rod 16 is provided with a third through hole 18, the filter plate 9 is provided with a pull rod 19 in a sliding manner, and the bottom end of the pull rod 19 extends into the cavity 15 and is connected with the inner wall of the third through hole 18 in a sliding manner.
The pull rod 19 is fixedly provided with a convex block 20, and the convex block 20 is connected with the inner wall of the third through hole 18 in a sliding manner.
A sliding rod 21 is fixedly installed in the cavity 15, and the sliding rod 21 is connected with the positioning rod 16 in a sliding manner.
The sliding rod 21 is slidably sleeved with a compression spring 22, and two ends of the compression spring 22 are fixedly connected with the positioning rod 16 and the inner wall of the cavity 15 respectively.
The utility model provides a theory of operation for industrial ventilation's centrifugal fan as follows:
when the ventilating fan is used for ventilating, firstly, the motor 11 is started to drive the first belt pulley 12 to rotate, the first belt pulley 12 drives the second belt pulley 13 to rotate through the belt 14, the second belt pulley 13 drives the rotating column 10 to rotate, the rotating column 10 drives the rotating disc 4 to rotate, the rotating disc 4 drives the plurality of blades 5 to rotate, the plurality of blades 5 rotate to generate centrifugal force, wind can be sucked into the first shell 2 from the first through hole 6 and the second through hole 8, and the wind is discharged through the air outlet pipe 3; the filter 9 plays the effect such as filtering the dust in second casing 7, impurity, and during the dismantlement, 19 upward movements of pulling pull rod drive lug 20 movements, and lug 20 and the inner wall of the third through-hole 18 on the locating lever 16 act as the extrusion each other, can make locating lever 16 move, can make locating lever 16 and the inner wall separation of constant head tank 17, are convenient for take off filter 9.
Compared with the prior art, the utility model provides a centrifugal fan for industry ventilation has following beneficial effect:
the utility model provides a centrifugal fan for industry ventilation, rolling disc 4 rotates to be installed in first casing 2, it is a plurality of 5 fixed mounting of blade are in on the rolling disc 4, be convenient for produce centrifugal force and inhale the interior back of first casing 2 through going out tuber pipe 3 and discharge with wind, filter 9 movable mounting be in the second casing 7, just the top of filter 9 extends to outside the second casing 7, be convenient for carry out filtration treatment to dust, impurity etc. two cavities 15 have been seted up to the symmetry on the filter 9, slidable mounting has locating lever 16 in the cavity 15, two constant head tanks 17 have been seted up to the top symmetry of second casing 7, locating lever 16 and the constant head tank 17 looks adaptation that corresponds, the filter 9 of being convenient for is dismantled and is installed.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. A centrifugal fan for industrial ventilation, comprising:
a base;
the first shell is fixedly arranged on the top of the base;
the air outlet pipe is fixedly arranged on the first shell and communicated with the first shell;
the rotating disc is rotatably arranged in the first shell;
a plurality of blades fixedly mounted on the rotary disk;
the first through hole is formed in the first shell;
the second shell is fixedly arranged on the first shell;
the second through hole is formed in the second shell;
the filter plate is movably arranged in the second shell, and the top of the filter plate extends out of the second shell;
the rotating column is rotatably arranged on the first shell, and one end of the rotating column extends into the first shell and is fixedly connected with the rotating disc;
the motor is fixedly arranged at the top of the base;
the first belt pulley is fixedly arranged on an output shaft of the motor;
the second belt pulley is fixedly arranged at one end of the rotating column;
the belt is sleeved on the first belt pulley and the second belt pulley.
2. The centrifugal fan for industrial ventilation according to claim 1, wherein the filter plate has two chambers symmetrically formed thereon, positioning rods are slidably mounted in the chambers, two positioning grooves are symmetrically formed on the top of the second housing, and the positioning rods are adapted to the corresponding positioning grooves.
3. The centrifugal fan for industrial ventilation according to claim 2, wherein the top of the positioning rod is provided with a third through hole, the filter plate is slidably provided with a pull rod, and the bottom end of the pull rod extends into the chamber and is slidably connected with the inner wall of the third through hole.
4. The centrifugal fan for industrial ventilation according to claim 3, wherein a projection is fixedly mounted on the pull rod, and the projection is slidably connected with the inner wall of the third through hole.
5. The centrifugal fan for industrial ventilation according to claim 4, wherein a sliding rod is fixedly installed in the chamber, and the sliding rod is slidably connected with the positioning rod.
6. The centrifugal fan for industrial ventilation according to claim 5, wherein the sliding rod is slidably sleeved with a compression spring, and two ends of the compression spring are fixedly connected with the positioning rod and the inner wall of the chamber respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022462927.0U CN213953937U (en) | 2020-10-30 | 2020-10-30 | Centrifugal fan for industrial ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022462927.0U CN213953937U (en) | 2020-10-30 | 2020-10-30 | Centrifugal fan for industrial ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213953937U true CN213953937U (en) | 2021-08-13 |
Family
ID=77205916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022462927.0U Active CN213953937U (en) | 2020-10-30 | 2020-10-30 | Centrifugal fan for industrial ventilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213953937U (en) |
-
2020
- 2020-10-30 CN CN202022462927.0U patent/CN213953937U/en active Active
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