CN215486680U

CN215486680U - Cabinet type centrifugal fan box

Info

Publication number: CN215486680U
Application number: CN202023289514.3U
Authority: CN
Inventors: 谢炜
Original assignee: Jiangsu Fresh Air Ventilation Equipment Co Ltd
Current assignee: Jiangsu Fresh Air Ventilation Equipment Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-01-11
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a cabinet type centrifugal fan box which comprises a case body, wherein an impeller is arranged in the case body, a driven wheel is arranged in the middle of one end of the impeller, which is positioned at the bottom end of one side of the case body, a driving motor is arranged in the middle of one side of the top end of the case body, a driving wheel is arranged on an output shaft of the driving motor, a lifting plate is arranged at the bottom end of the driving motor, and a worm is arranged in the middle of the bottom end of the lifting plate, which is positioned in the case body. According to the cabinet type centrifugal fan box, the crank handle is rotated, the rotating rod rotates in the middle of the fixed rod and the second bearing, so that the worm wheel is driven to rotate, the worm wheel drives the worm to move up and down in the middle of the fixed block, the worm pushes the lifting plate to determine the height of the driving motor, and the process that the driving belt is installed inside the driving wheel of the motor and the driven wheel of the impeller is simpler and easier. The cabinet type centrifugal fan box is novel in structure and convenient to use.

Description

Cabinet type centrifugal fan box

Technical Field

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

Background

The high-efficiency low-noise cabinet type centrifugal fan has the advantages of high temperature resistance, excellent performance, novel and compact structure, small vibration, light weight, convenient installation and use and the like. The cabinet type fan is compact and attractive, a fan box body adopts a frame, a box plate is assembled, the cabinet type fan frame is formed by once stretching an advanced metal cold bending forming unit in China, the box plate is of a duplex plate structure, an inner layer is made of a noise elimination material, and noise is further reduced 2. the cabinet type fan provides different inlet and outlet directions to meet different installation requirements of users.

At present, a cabinet type centrifugal fan is used for fire protection and smoke exhaust or daily ventilation, and when the traditional cabinet type centrifugal fan is installed, a transmission belt needs to be installed inside a driving wheel of a motor and a driven wheel of an impeller, the process is troublesome, and the tightness of the transmission belt cannot be adjusted, so that the transmission efficiency is influenced. Therefore, we improve the above and provide a cabinet type centrifugal fan box.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a cabinet type centrifugal fan box which comprises a machine case body, wherein an impeller is arranged inside the machine case body, first bearings are arranged at two ends of the impeller, a driven wheel is arranged in the middle of one end of the impeller, which is positioned at the bottom end of one side of the machine case body, a driving motor is arranged in the middle of one side of the top end of the machine case body, a driving wheel is arranged on an output shaft of the driving motor, a lifting plate is arranged at the bottom end of the driving motor, a worm is arranged in the middle of the bottom end of the lifting plate, which is positioned inside the machine case body, a worm wheel is arranged at one side of the bottom end of the worm, a rotating rod is arranged in the middle of one side of the worm wheel, and a crank is arranged at one side of one end of the rotating rod, which is positioned at the back of the machine case body.

As a preferred technical scheme of the present invention, both ends of the impeller are fixedly connected to the middle portions of the two first bearings, and the two first bearings are respectively and fixedly mounted on both sides inside the chassis body.

As a preferred technical scheme of the present invention, one end of the impeller passes through the middle of one side of the first bearing and the chassis body and is fixedly connected with the middle of one side of the driven wheel, the middle of one side of the driving wheel is fixedly connected with an output shaft of the driving motor, a driving belt is sleeved inside the driven wheel and the driving wheel, and a protective cover is fixedly installed outside the driving belt and on one side of the chassis body.

As a preferred technical solution of the present invention, the driving motor is fixedly installed at the top end of the lifting plate, and the top end of the worm passes through the top end of the chassis body and is fixedly connected with the middle part of the bottom end of the lifting plate.

As a preferred technical scheme of the present invention, a fixing block is sleeved outside the top end of the worm, and one side of the fixing block is fixedly connected with one side inside the case body.

As a preferred technical scheme of the present invention, the bottom end of the worm is in meshing transmission connection with the inside of the worm wheel, one end of the rotating rod is fixedly connected with the middle part of one side of the worm wheel, the middle part of the rotating rod is respectively provided with a fixing rod and a second bearing, the bottom end of the fixing rod is fixedly connected with the top end of the inside of the case body, and the second bearing is fixedly installed on one side of the inside of the case body.

As a preferred technical scheme of the utility model, one end of the rotating rod penetrates through the back of the case body and is fixedly connected with one end of one side of the crank, and the crank is sleeved with an anti-skidding sleeve.

As a preferred technical scheme of the utility model, the middle part of the front surface of the case body is provided with an air outlet, and a sealing ring is arranged outside the air outlet.

The utility model has the beneficial effects that: this kind of cabinet type centrifugal fan case through installing driving motor on the top of lifter plate, makes it rotate the crank, and the bull stick rotates at the middle part of dead lever and second bearing to drive the worm wheel and rotate, the worm wheel drives the worm and carries out elevating movement at the middle part of fixed block, and the worm promotes the lifter plate and decides driving motor's height, installs the drive belt at driving motor action wheel and impeller and follow this process of driving wheel inside and become simpler light. In addition, if the transmission belt is too loose or too tight, the crank can be rotated to be adjusted, and the cabinet type centrifugal fan box is novel in structure and convenient to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a cabinet type centrifugal fan case according to the present invention;

FIG. 2 is a partial schematic structural view of a cabinet type centrifugal fan case according to the present invention;

fig. 3 is a partial structural schematic diagram of a cabinet type centrifugal fan box of the utility model.

In the figure: 1. a chassis body; 2. an impeller; 3. a first bearing; 4. a driven wheel; 5. a drive motor; 6. a driving wheel; 7. a lifting plate; 8. a worm; 9. a worm gear; 10. a rotating rod; 11. A crank; 12. a transmission belt; 13. a fixed block; 14. fixing the rod; 15. a second bearing; 16. An air outlet; 17. a shield.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the cabinet type centrifugal fan box of the present invention includes a box body 1, an impeller 2 is disposed inside the box body 1, first bearings 3 are disposed at both ends of the impeller 2, a driven wheel 4 is disposed in the middle of one end of the impeller 2 located at the bottom end of one side of the box body 1, a driving motor 5 is disposed in the middle of one side of the top end of the box body 1, a driving wheel 6 is disposed on an output shaft of the driving motor 5, a lifting plate 7 is disposed at the bottom end of the driving motor 5, a worm 8 is disposed in the middle of the bottom end of the lifting plate 7 located in the box body 1, a worm wheel 9 is disposed at one side of the bottom end of the worm 8, a rotating rod 10 is disposed in the middle of one side of the worm wheel 9, and a crank 11 is disposed at one end of the rotating rod 10 located at the back side of the box body 1.

Wherein, the both ends of impeller 2 all with the middle part fixed connection of two first bearings 3, and two first bearings 3 respectively fixed mounting in the inside both sides of chassis body 1, through installing impeller 2 in chassis body 1's inside, make its impeller 2 rotate and produce centrifugal wind-force.

Wherein, the middle part of impeller 2's one end pass first bearing 3 and chassis body 1 one side and the middle part fixed connection from one side of

driving wheel

4, 6 one side middle parts of action wheel 6 and driving motor 5's output shaft fixed connection, the inside cover from driving wheel 4 and action wheel 6 is equipped with drive belt 12, one side fixed mounting that the outside of drive belt 12 is located chassis body 1 has protection casing 17, overlaps through the inside from driving wheel 4 and action wheel 6 and is equipped with drive belt 12, makes its driving motor 5's output shaft drive action wheel 6 rotate, and action wheel 6 is driving through drive belt 12 and is rotating from driving wheel 4 and impeller 2.

Wherein, driving motor 5 fixed mounting is on the top of lifter plate 7, and the middle part fixed connection of chassis body 1 top and lifter plate 7 bottom is passed on the top of worm 8, through with driving motor 5 fixed mounting on the top of lifter plate 7, makes its worm 8 pass through lifter plate 7 and decides driving motor 5's height.

Wherein, the outside cover on worm 8 top is equipped with fixed block 13, and one side of fixed block 13 and the inside one side fixed connection of chassis body 1 are equipped with fixed block 13 through the outside cover on worm 8 top, make its worm 8 carry out piston concertina movement in the inside of fixed block 13.

Wherein, the bottom of worm 8 is connected with the inside meshing transmission of worm wheel 9, the middle part fixed connection of the one end of bull stick 10 and worm wheel 9 one side, the middle part of bull stick 10 is provided with dead lever 14 and second bearing 15 respectively, the bottom of dead lever 14 and the inside top fixed connection of chassis body 1, second bearing 15 fixed mounting is in the inside one side of chassis body 1, the bottom through worm 8 is connected with the inside meshing transmission of worm wheel 9, thereby make its worm wheel 9 rotate and drive worm 8 and carry out elevating movement.

Wherein, the one end fixed connection of the back that bull stick 10 one end passed chassis body 1 and crank 11 one side, and crank 11 cover is equipped with anti-skidding cover, through the crank 11 that is equipped with, makes it rotate crank 11, can adjust driving motor 5's height, makes it install drive belt 12 in driving wheel 6 of driving motor 5 and the inside from driving wheel 4 of impeller 2, and this process becomes simpler.

The air outlet 16 is formed in the middle of the front face of the case body 1, the sealing ring is arranged outside the air outlet 16, and wind power generated in the case body is discharged through the air outlet 16.

During operation, the driving belt 12 is sleeved in the driven wheel 4 and the driving wheel 6, so that the driving wheel 6 is driven by the output shaft of the driving motor 5 to rotate, and the driving wheel 6 drives the driven wheel 4 and the impeller 2 to rotate through the driving belt 12. The impeller 2 is arranged in the case body 1, so that the impeller 2 rotates to generate centrifugal wind power; a fixed block 13 is sleeved outside the top end of the worm 8, so that the worm 8 can perform piston telescopic motion inside the fixed block 13; the bottom end of the worm 8 is in meshed transmission connection with the inside of the worm wheel 9, so that the worm wheel 9 rotates to drive the worm 8 to move up and down; the height of the driving motor 5 can be adjusted by rotating the crank handle 11 through the crank handle 11, so that the driving belt 12 is arranged in the driving wheel 6 of the driving motor 5 and the driven wheel 4 of the impeller 2, and the process is simpler and easier; the wind generated in the box body is discharged through the air outlet 16.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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

1. A cabinet type centrifugal fan box comprises a box body (1) and is characterized in that an impeller (2) is arranged inside the box body (1), the two ends of the impeller (2) are respectively provided with a first bearing (3), the middle part of one end of the impeller (2) positioned at the bottom end of one side of the case body (1) is provided with a driven wheel (4), a driving motor (5) is arranged in the middle of one side of the top end of the case body (1), an output shaft of the driving motor (5) is provided with a driving wheel (6), the bottom end of the driving motor (5) is provided with a lifting plate (7), a worm (8) is arranged in the case body (1) at the middle part of the bottom end of the lifting plate (7), a worm wheel (9) is arranged on one side of the bottom end of the worm (8), a rotating rod (10) is arranged in the middle of one side of the worm wheel (9), one end of the rotating rod (10) is provided with a crank (11) at one side of the back of the case body (1).

2. The cabinet type centrifugal fan box according to claim 1, wherein both ends of the impeller (2) are fixedly connected with the middle parts of the two first bearings (3), and the two first bearings (3) are respectively and fixedly installed at both sides inside the cabinet body (1).

3. The cabinet type centrifugal fan box according to claim 1, wherein one end of the impeller (2) passes through the first bearing (3) and the middle of one side of the cabinet body (1) and is fixedly connected with the middle of one side of the driven wheel (4), the middle of one side of the driving wheel (6) is fixedly connected with the output shaft of the driving motor (5), the driven wheel (4) and the driving wheel (6) are sleeved with a transmission belt (12), and a protective cover (17) is fixedly installed on one side, which is not located on the cabinet body (1), of the outside of the transmission belt (12).

4. The cabinet type centrifugal fan box according to claim 1, wherein the driving motor (5) is fixedly installed at the top end of the lifting plate (7), and the top end of the worm (8) penetrates through the top end of the cabinet body (1) and is fixedly connected with the middle of the bottom end of the lifting plate (7).

5. The cabinet type centrifugal fan box according to claim 1, wherein a fixing block (13) is sleeved outside the top end of the worm (8), and one side of the fixing block (13) is fixedly connected with one side inside the cabinet body (1).

6. The cabinet type centrifugal fan box according to claim 1, wherein the bottom end of the worm (8) is in meshed transmission connection with the inside of the worm wheel (9), one end of the rotating rod (10) is fixedly connected with the middle of one side of the worm wheel (9), the middle of the rotating rod (10) is respectively provided with a fixing rod (14) and a second bearing (15), the bottom end of the fixing rod (14) is fixedly connected with the top end of the inside of the cabinet body (1), and the second bearing (15) is fixedly installed on one side of the inside of the cabinet body (1).

7. The cabinet type centrifugal fan box according to claim 1, wherein one end of the rotating rod (10) penetrates through the back of the cabinet body (1) and is fixedly connected with one end of one side of the crank (11), and the crank (11) is sleeved with an anti-slip sleeve.

8. The cabinet type centrifugal fan box according to claim 1, wherein an air outlet (16) is formed in the middle of the front surface of the cabinet body (1), and a sealing ring is arranged outside the air outlet (16).