CN219452478U

CN219452478U - Cabinet type centrifugal fan case

Info

Publication number: CN219452478U
Application number: CN202320001562.2U
Authority: CN
Inventors: 金芳; 蒋长英; 张春平; 曾诚; 尹春霞; 钟雪姣
Original assignee: Sichuan Chuanhong Hurricane Fan Equipment Co ltd
Current assignee: Sichuan Chuanhong Hurricane Fan Equipment Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-08-01
Anticipated expiration: 2033-01-03

Abstract

The utility model discloses a cabinet type centrifugal fan case which relates to the technical field of fan cases, and the cabinet type centrifugal fan case comprises a case body, wherein a rotating rod is fixedly arranged in the case body, fan blades are fixedly connected to the outer side of the rotating rod, the number of the fan blades is four, a driven wheel is fixedly connected to the right side of the rotating rod, and a protective cover is fixedly connected to the outer side of the driven wheel; after a period of use, can produce the dust in the fan case and need clear up regularly, take out the gag lever post from spacing downthehole this moment to open the rear cover from the box rear, conveniently clear up inside.

Description

Cabinet type centrifugal fan case

Technical Field

The utility model relates to the technical field of fan boxes, in particular to a cabinet type centrifugal fan box.

Background

The fan case may be divided into a centrifugal fan case and an axial flow fan case according to the type of fan used. The centrifugal fan is used in the centrifugal fan box, and the centrifugal fan mainly flows along the radial direction after air flow axially enters an impeller of the fan, and the fan is manufactured according to the centrifugal action principle. An axial flow fan is used in the axial flow fan box, and the axial flow fan flows approximately on the cylindrical surface along the axial direction after the air flow axially enters the impeller of the fan. In various forms of air supply and exhaust devices, centrifugal fans are widely accepted due to the characteristics of compact structure, small size, large air pressure, long air supply distance and the like.

The existing cabinet type centrifugal fan case generally cannot close the ventilation opening when in use, dust and sundries are easy to fall into the case body, the case is damaged, the inside of the fan case is inconvenient to clean after long-time use, and difficulty is brought to cleaning, so that the cabinet type centrifugal fan case is provided, and the problem mentioned above is solved.

Disclosure of Invention

Aiming at the problems, the utility model provides a cabinet type centrifugal fan case which has the functions of closing a vent at any time and facilitating cleaning of the inside.

The technical scheme of the utility model is as follows:

the utility model provides a cabinet type centrifugal fan case, includes the box, the inside fixed bull stick that is equipped with of box, bull stick outside fixedly connected with flabellum, the flabellum quantity is four, bull stick right side fixedly connected with is from the driving wheel, from the driving wheel outside fixedly connected with safety cover.

The working principle of the technical scheme is as follows:

when the fan box is used, the driven wheel outside the box body rotates, so that the rotating rod inside the box body is driven to rotate, the rotating rod rotates to drive the fan blades on the rotating rod to do centrifugal motion, centrifugal wind force is generated, and the arranged protective cover is used for protecting the driven wheel structure from being damaged.

In further technical scheme, box top right side is equipped with the installation piece, the installation piece passes through installation screw fixed connection on box top right side, installation piece quantity is two, the inside fixedly connected with motor of installation piece, the motor output shaft is fixed to be equipped with the action wheel, from driving wheel and the inside cover of action wheel are equipped with the drive belt.

The motor on the installation block runs to drive the driving wheel to rotate, and the driving wheel drives the driving belt to rotate so as to enable the driven wheel to rotate, so that the fan blades generate centrifugal wind power.

In a further technical scheme, the box front is fixedly provided with the vent, the vent is inside fixedly provided with the pivot, pivot quantity is four, pivot right side fixedly connected with blade.

When the fan case is used, the blades are driven to rotate leftwards through the rotating shaft to open the ventilation opening for ventilation, after the fan case is used, the ventilation opening is closed, dust or sundries are prevented from falling into the fan case, and the safety of the fan case is improved.

In a further technical scheme, the top of the rotating shaft is fixedly connected with a driving wheel, the end face of the driving wheel is provided with a linkage piece, the linkage piece is a linkage rod with the length direction perpendicular to the four rotating shafts, the linkage piece is in hinged fit with the edges of the end faces of the four driving wheels, and the top of the linkage piece is fixedly provided with a controller.

The controller drives the linkage piece to operate, and the driving wheel below the linkage piece enables the rotating shaft to drive the blades to open so as to carry out large-scale ventilation.

In further technical scheme, the fixed spacing hole that is equipped with in box rear, spacing hole quantity is four, box rear swing joint has the back lid, back lid corner is fixed and is equipped with the gag lever post, gag lever post quantity is four and the position corresponds with spacing hole, the inside fixed protection network that is equipped with of back lid.

After a period of use, can produce the dust in the fan case and need clear up regularly, at this moment, take out from spacing downthehole through the gag lever post to open the rear cover from the box rear, conveniently clear up inside, the protection network of setting is used for ventilation and heat dissipation and circulation of air.

The beneficial effects of the utility model are as follows:

1. when the fan box is used, the controller drives the linkage piece to operate, so that the rotating shaft below the linkage rod drives the blades to rotate leftwards to open the ventilation opening to carry out the maximum ventilation, and after the use is finished, the ventilation opening is closed, so that dust or sundries are effectively prevented from falling into the fan box, and the safety of the fan box is improved;

2. after a period of use, can produce the dust in the fan case and need clear up regularly, take out the gag lever post from spacing downthehole this moment to open the rear cover from the box rear, conveniently clear up inside.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a vane opening configuration according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a rear cover opening structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the internal structure of a protective cover according to an embodiment of the present utility model;

fig. 5 is a schematic view of a fan blade according to an embodiment of the utility model.

Reference numerals illustrate:

1. a case; 2. a rotating rod; 3. a fan blade; 4. driven wheel; 5. a protective cover; 6. a mounting block; 7. a protective net; 8. a motor; 9. a driving wheel; 10. a transmission belt; 11. a vent; 12. a rotating shaft; 13. a blade; 14. a driving wheel; 15. a linkage member; 16. a controller; 17. a limiting hole; 18. a rear cover; 19. and a limit rod.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-5, a cabinet type centrifugal fan case comprises a case body 1, wherein a rotating rod 2 is fixedly arranged in the case body 1, fan blades 3 are fixedly connected to the outer side of the rotating rod 2, the number of the fan blades 3 is four, a driven wheel 4 is fixedly connected to the right side of the rotating rod 2, and a protection cover 5 is fixedly connected to the outer side of the driven wheel 4.

Specifically, the right side at the top of the box body 1 is provided with mounting blocks 6, the mounting blocks 6 are fixedly connected to the right side at the top of the box body 1 through mounting screws, the number of the mounting blocks 6 is two, a motor 8 is fixedly connected to the top of the mounting blocks 6, a driving wheel 9 is fixedly arranged on an output shaft of the motor 8, a driving belt 10 is sleeved inside the driven wheel 4 and the driving wheel 9, a ventilation opening 11 is fixedly arranged on the front surface of the box body 1, rotating shafts 12 are fixedly arranged inside the ventilation opening 11, the number of the rotating shafts 12 is four, blades 13 are fixedly connected to the right side of the rotating shafts 12, driving wheels 14 are fixedly connected to the top of the rotating shafts 12, a linkage piece 15 is arranged on the end face of each driving wheel 14, the linkage piece 15 is in hinged fit with the end face edges of the four driving wheels 14, a controller 16 is fixedly arranged at the top of the linkage piece 15, limit holes 17 are fixedly arranged behind the box body 1, a rear cover 18 is fixedly arranged at corners of the rear cover 18, the limit rods 19 are four and the number of the limit rods 19 correspond to the limit holes 17, and a protection net 7 is fixedly arranged inside the rear cover 18.

The working principle of the technical scheme is as follows:

when the fan box is used, the motor 8 on the installation block 6 is used for driving the driving wheel 9 to rotate, the driving wheel 9 drives the transmission belt 10 to rotate, so that the driven wheel 4 rotates, the fan blade 3 generates centrifugal wind force, the arranged protection cover 5 is used for protecting the driven wheel 4 and the external structure of the driving wheel 9 from being damaged, the controller 16 is used for driving the linkage piece 15 to operate, the transmission wheel 14 below the linkage piece 15 enables the rotating shaft 12 to drive the blade 13 to open, the rotating shaft 12 drives the blade 13 on the rotating rod 2 to rotate leftwards to open the ventilation opening 11 for ventilation, the ventilation opening 11 is closed after the fan box is used, dust or sundries are prevented from falling into, the safety of the fan box is improved, the large-scale ventilation is carried out, dust can be generated in the fan box after the fan box is used for a period of time, at this moment, the rear cover 18 is opened from the rear of the box body 1 through taking out the limit rod 19 from the limit hole 17, the inside is conveniently cleaned, and the protection net 7 is arranged for ventilation and heat dissipation and air circulation.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a cabinet type centrifugal fan case, includes the box, its characterized in that, the inside fixed bull stick that is equipped with of box, bull stick outside fixedly connected with flabellum, the flabellum quantity is four, bull stick right side fixedly connected with is from the driving wheel, from driving wheel outside fixedly connected with safety cover.

2. A cabinet centrifugal fan case according to claim 1, wherein: the box top right side is equipped with the installation piece, the installation piece passes through installation screw fixed connection in box top right side, installation piece quantity is two, the inside fixedly connected with motor of installation piece, the motor output shaft is fixed to be equipped with the action wheel, from driving wheel and the inside cover of action wheel is equipped with the drive belt.

3. A cabinet centrifugal fan case according to claim 1, wherein: the novel box is characterized in that a vent is fixedly arranged on the front face of the box body, rotating shafts are fixedly arranged in the vent, the number of the rotating shafts is four, and blades are fixedly connected to the right side of the rotating shafts.

4. A cabinet centrifugal fan case according to claim 3, wherein: the top of the rotating shaft is fixedly connected with a driving wheel, the end face of the driving wheel is provided with a linkage piece, the linkage piece is a linkage rod with the length direction perpendicular to the four rotating shafts, the linkage piece is in hinged fit with the edges of the end faces of the four driving wheels, and the top of the linkage piece is fixedly provided with a controller.

5. A cabinet centrifugal fan case according to claim 1, wherein: the utility model discloses a box, including box, back lid, fixed limit hole, box rear is fixed to be equipped with the spacing hole, limit hole quantity is four, box rear swing joint has the back lid, back lid corner is fixed to be equipped with the gag lever post, the gag lever post quantity is four and the position corresponds with the limit hole, the inside fixed protection network that is equipped with of back lid.