CN219432105U

CN219432105U - Centrifugal fan structure with governing valve

Info

Publication number: CN219432105U
Application number: CN202223277193.4U
Authority: CN
Inventors: 李翔
Original assignee: Yunnan Xiangdian Blower Co ltd
Current assignee: Yunnan Xiangdian Blower Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-07-28
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a centrifugal fan structure with a regulating valve, which comprises a dustproof shell and an auxiliary component, wherein an air outlet is formed in the upper end of the left side of the dustproof shell, an air inlet is formed in the front end of the dustproof shell, a mounting frame is arranged on the inner wall of the air inlet, a filter screen is connected to the rear end of the mounting frame, a connecting rod is fixed to the front end of the middle of the filter screen, a first mounting sleeve is arranged on the outer side of the connecting rod, a rear wind shield is fixed to the upper end of the first mounting sleeve, the auxiliary component for adjustment is arranged at the front end of the connecting rod, the auxiliary component comprises a second mounting sleeve and a front wind shield, and the front wind shield is fixed to the end of the second mounting sleeve. This centrifugal fan structure with governing valve adopts adjustment structure, but the size of adjustable air intake, can control the amount of wind, and the dismouting of being convenient for simultaneously is convenient for the part on the staff cleaning device to have filtration, can get rid of the granule in the air, prevent that the granule from remaining in the inside of device.

Description

Centrifugal fan structure with governing valve

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to a centrifugal fan structure with an adjusting valve.

Background

The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Centrifugal fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft of boilers and industrial kilns; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains; inflation and propulsion of wind tunnel wind source and air cushion ship, etc.

The application number is as follows: CN201910502455.6, the utility model provides a centrifugal fan, comprising: the spiral case is provided with a front plate, a rear plate and a coaming, wherein the molded lines of the coaming comprise a starting straight line section, a transition rounding section, a first spiral line section, a second spiral line section, a third spiral line section, a fourth spiral line section, a fifth spiral line section, a sixth spiral line section and a terminating straight line section which are sequentially and smoothly connected, and the first spiral line section, the second spiral line section, the third spiral line section, the fourth spiral line section, the fifth spiral line section and the sixth spiral line section are concentrically arranged; and the impeller is arranged in the volute. The air duct flow field in the volute of the centrifugal fan is improved, and the performance of the centrifugal fan is improved.

Similar to the above application, the following disadvantages currently exist:

the prior device is inconvenient to adjust the wind shield, and is inconvenient for staff to adjust the air quantity of the air inlet.

Accordingly, in view of the above, research and improvement on the existing structure and the defects have been conducted, and a centrifugal fan structure with a regulating valve is proposed to achieve the purpose of more practical value.

Disclosure of Invention

The utility model aims to provide a centrifugal fan structure with an adjusting valve, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a centrifugal fan structure with governing valve, includes dust cover and auxiliary assembly, dust cover's left side upper end is provided with the air outlet, and dust cover's front end installs the air intake, the inner wall of air intake is settled there is the installing frame, and the rear end of installing the frame is connected with the filter screen, the middle part front end of filter screen is fixed with the connecting rod, and installs the cover one in the outside of connecting rod, the upper end of installation cover one is fixed with the back deep bead for the adjustment auxiliary assembly sets up in the front end of connecting rod, and auxiliary assembly includes installation cover two and preceding deep bead, the end fixing of installation cover two has preceding deep bead.

Further, the impeller is arranged in the air inlet, and mounting holes are formed in the outer walls of the left side and the right side of the air inlet.

Further, the left end and the right end of the mounting frame are fixed with upright posts, and the upright posts are connected with the mounting holes in a clamping mode.

Further, a supporting frame is fixed at the rear end of the dustproof shell, and fluorescent strips are arranged on the side surface of the dustproof shell.

Further, the upper end of the support frame is provided with a motor, and the fluorescent strip is rectangular.

Further, a support assembly for isolation is provided on the rear end surface of the dust-proof housing, and includes an isolation ring and a resisting rod, the front end of the isolation ring being fixed with the resisting rod.

Further, the resisting rods are equidistantly distributed with respect to the surface of the spacer ring, and the length of the resisting rods is longer than that of the motor.

The utility model provides a centrifugal fan structure with a regulating valve, which has the following beneficial effects: this centrifugal fan structure with governing valve adopts adjustment structure, but the size of adjustable air intake, can control the amount of wind, and the dismouting of being convenient for simultaneously is convenient for the part on the staff cleaning device to have filtration, but the granule in the removable air prevents that the granule from remaining in the inside of device.

1. The utility model is convenient for workers to find and use at night by virtue of the luminous characteristic of the fluorescent strip, the filter screen can filter impurities in the air, remove larger particles in the air, prevent dust particles from remaining in the air outlet and the air inlet, and the connecting rod can be respectively connected with the first installation sleeve and the second installation sleeve in a threaded connection manner, so that the first installation sleeve and the second installation sleeve can be rotated to adjust the angles of the rear wind shield and the front wind shield.

2. The utility model can control the size of the air inlet by adjusting the angles of the rear wind shield and the front wind shield, thereby improving the adjustment air quantity, being convenient to detach, being convenient for workers to clean dust on the surface of the air inlet, ensuring the neatness of the device, ensuring the clamping connection between the upright post and the mounting hole, limiting the mounting frame and the inside of the air inlet, and preventing the mounting frame from shaking.

3. The utility model can install the resisting rod at the rear end of the dustproof shell through the opening on the surface of the isolating ring, and the resisting rod can be contacted with the wall surface to play a role of isolation, so that the rear end surface of the motor is prevented from being contacted with the wall when the motor is placed against the wall, and the surface of the motor is prevented from being damaged.

Drawings

FIG. 1 is a schematic view of the overall structure of a centrifugal fan structure with a regulating valve according to the present utility model;

FIG. 2 is a schematic side view of a centrifugal fan structure with a regulating valve according to the present utility model;

FIG. 3 is a schematic view of a partial perspective view of a mounting sleeve and auxiliary assembly of a centrifugal fan structure with a regulating valve according to the present utility model;

fig. 4 is a schematic rear view of a centrifugal fan structure with a regulating valve according to the present utility model.

In the figure: 1. a dust-proof housing; 2. an air outlet; 3. an air inlet; 4. an impeller; 5. a support frame; 6. a mounting frame; 7. a fluorescent strip; 8. a motor; 9. a filter screen; 10. a connecting rod; 11. the first mounting sleeve is arranged; 12. a rear wind deflector; 13. an auxiliary component; 1301. a second mounting sleeve; 1302. a front windshield; 14. a column; 15. a mounting hole; 16. a support assembly; 1601. a spacer ring; 1602. a resistance rod.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-2, a centrifugal fan structure with a regulating valve comprises a dustproof shell 1 and an auxiliary component 13, wherein an air outlet 2 is arranged at the upper end of the left side of the dustproof shell 1, an air inlet 3 is arranged at the front end of the dustproof shell 1, a mounting frame 6 is arranged on the inner wall of the air inlet 3, an impeller 4 is arranged in the air inlet 3, mounting holes 15 are formed in the outer walls of the left side and the right side of the air inlet 3, upright posts 14 are fixed at the left end and the right end of the mounting frame 6, the upright posts 14 are connected with the mounting holes 15 in a clamping manner, the mounting frame 6 can be limited with the inner part of the air inlet 3, and the shaking of the mounting frame 6 is prevented; the rear end of the dustproof shell 1 is fixed with a supporting frame 5, a fluorescent strip 7 is arranged on the side surface of the dustproof shell 1, a motor 8 is arranged at the upper end of the supporting frame 5, the fluorescent strip 7 is rectangular, and the fluorescent strip 7 is luminous and is convenient for workers to find and use at night.

As shown in fig. 3, the rear end of the installation frame 6 is connected with a filter screen 9, the front end of the middle part of the filter screen 9 is fixed with a connecting rod 10, the outer side of the connecting rod 10 is provided with a first installation sleeve 11, the upper end of the first installation sleeve 11 is fixed with a rear wind screen 12, an auxiliary assembly 13 for adjustment is arranged at the front end of the connecting rod 10, and the auxiliary assembly 13 comprises a second installation sleeve 1301 and a front wind screen 1302, the end part of the second installation sleeve 1301 is fixed with the front wind screen 1302, the filter screen 9 can filter impurities in air, remove larger particles in the air, prevent dust particles from remaining in the air outlet 2 and the air inlet 3, the connecting rod 10 can form sleeve threaded connection with the first installation sleeve 11 and the second installation sleeve 1301 respectively, the first installation sleeve 11 and the second installation sleeve 1301 can adjust the angles of the rear wind screen 12 and the front wind screen 1302, the angles of the rear wind screen 12 and the front wind screen 1302 can control the sizes of the air inlet 3, thereby improving the air quantity for adjustment, and simultaneously facilitating the disassembly, dust cleaning of workers and ensuring the tidy of the device

As shown in fig. 4, the rear end surface of the dust-proof housing 1 is provided with a supporting component 16 for isolation, and the supporting component 16 comprises an isolating ring 1601 and a resisting rod 1602, the resisting rod 1602 is fixed at the front end of the isolating ring 1601, the resisting rod 1602 is equidistantly distributed about the surface of the isolating ring 1601, the length of the resisting rod 1602 is longer than that of the motor 8, the resisting rod 1602 can be installed at the rear end of the dust-proof housing 1 through an opening on the surface of the isolating ring 1601, and the resisting rod 1602 can contact with a wall surface to play a role of isolation, and the rear end surface of the motor 8 is prevented from contacting with the wall when placed against the wall, so that the surface of the motor 8 is prevented from being damaged.

In summary, when the centrifugal fan structure with the regulating valve is used, firstly, according to the structure shown in fig. 1-4, the upright posts 14 at the left and right ends of the mounting frame 6 are placed in the mounting holes 15 of the air inlet 3, the mounting frame 6 and the air inlet 3 are rotatably fixed, then the first mounting sleeve 11 is sleeved on the connecting rod 10 inside the mounting frame 6, the rear wind deflector 12 can be mounted on the outer side of the connecting rod 10, the second mounting sleeve 1301 is mounted on the outer side of the connecting rod 10, namely, the front wind deflector 1302 can be mounted on the periphery of the connecting rod 10, so that the rear wind deflector 12 and the front wind deflector 1302 form a cross mode, the first mounting sleeve 11 and the second mounting sleeve 1301 can rotate on the outer side of the connecting rod 10, the angle of the rear wind deflector 12 and the front wind deflector 1302 can be conveniently adjusted by a worker, the air inlet quantity can be controlled, then the device is moved to a place close to the wall, the first resisting rod 1602 at the rear end of the dustproof shell 1 can be contacted with the wall surface, friction is avoided when the motor 8 with the model Y280M-2 contacts the wall surface, then the motor 8 with model 280M-2 is started, the wind deflector 12 and the front wind deflector 1302 can be mounted on the periphery of the connecting rod 10, the front wind deflector 1302 can be filtered, and air can be filtered from the air can enter the front wind deflector 6, and the air can be filtered from the air inlet 6.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a centrifugal fan structure with governing valve, includes dust cover (1) and auxiliary assembly (13), its characterized in that, the left side upper end of dust cover (1) is provided with air outlet (2), and air intake (3) are installed to the front end of dust cover (1), install installing frame (6) in the inner wall of air intake (3), and the rear end of installing frame (6) is connected with filter screen (9), the middle part front end of filter screen (9) is fixed with connecting rod (10), and installs one (11) in the outside of connecting rod (10), the upper end of one (11) of installation is fixed with back deep bead (12) for the adjustment auxiliary assembly (13) set up in the front end of connecting rod (10), and auxiliary assembly (13) are including installation cover two (1301) and preceding deep bead (1302), the tip of installation cover two (1301) is fixed with preceding deep bead (1302).

2. The centrifugal fan structure with the regulating valve according to claim 1, wherein the impeller (4) is installed in the air inlet (3), and mounting holes (15) are formed in the outer walls of the left side and the right side of the air inlet (3).

3. The centrifugal fan structure with the regulating valve according to claim 2, wherein the left end and the right end of the mounting frame (6) are fixed with upright posts (14), and the upright posts (14) are in clamping connection with the mounting holes (15).

4. Centrifugal fan structure with regulating valve according to claim 1, characterized in that the rear end of the dust-proof housing (1) is fixed with a supporting frame (5), and the side surface of the dust-proof housing (1) is provided with fluorescent strips (7).

5. The centrifugal fan structure with the regulating valve according to claim 4, wherein a motor (8) is installed at the upper end of the supporting frame (5), and the fluorescent strip (7) is rectangular.

6. A centrifugal fan structure with a regulating valve according to claim 1, characterized in that the rear end surface of the dust-proof housing (1) is provided with a support assembly (16) for isolation, and the support assembly (16) comprises an isolating ring (1601) and a resisting rod (1602), the front end of the isolating ring (1601) being fixed with the resisting rod (1602).

7. A centrifugal fan structure with a regulating valve according to claim 6, characterized in that the counteracting rods (1602) are equidistantly distributed with respect to the surface of the spacer ring (1601), and that the length of the counteracting rods (1602) is longer than the length of the motor (8).