CN216812224U

CN216812224U - Penetrating type centrifugal ventilator

Info

Publication number: CN216812224U
Application number: CN202220079372.8U
Authority: CN
Inventors: 曾焱
Original assignee: Dongguan Baolong Ventilation Equipment Co ltd
Current assignee: Dongguan Baolong Ventilation Equipment Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-24
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to the technical field of ventilators, in particular to a radial-vane centrifugal ventilator. The technical scheme comprises the following steps: the ventilation blower body, ventilation blower body inlet end has the rose box through flange joint, the top intercommunication of rose box is connected with the intake pipe, the big ring baffle of inside fixedly connected with and the big ring baffle of rose box, equal fixedly connected with spoiler between big ring baffle and the rose box and between big ring baffle and the small circle baffle, the inlet port has all been seted up on big ring baffle and the small circle baffle outer wall, the inside common activity of big ring baffle and small circle baffle is pegged graft and is had the time shape frame board, time shape frame board internally mounted has the filter screen, the front of filter screen runs through the outer wall and the fixedly connected with bottom plate of rose box, be provided with clamping mechanism between the outer wall of bottom plate and rose box and be used for fixing the bottom plate on the rose box surface. The utility model not only has good effect of filtering the impurity and dust in the wind; and the filter screen is convenient to clean and replace, and the use is more convenient.

Description

Penetrating type centrifugal ventilator

Technical Field

The utility model relates to the technical field of ventilators, in particular to a radial-vane centrifugal ventilator.

Background

The penetrating-type centrifugal ventilator has the characteristics of high wind speed, strong suction force, high efficiency, safety, durability, convenience in maintenance and the like, and is suitable for wood industry, chemical industry and gas conveying containing solid impurities and dust. However, in the process of gas delivery, solid impurities and dust are often adhered to the wind wheel, so that subsequent ventilation delivery is affected, and the delivered wind contains the solid impurities and the dust, so that subsequent use is also affected; therefore, the patent numbers are as follows: CN202644458U discloses an exhaust fan for a garbage sweeper, which comprises a casing and an air suction opening arranged at the front end of the casing, wherein an adsorption net is arranged in the casing close to the rear part of the casing, an opening is arranged on the rear side surface of the casing, and a sealing cover is arranged on the opening. The exhaust fan of the garbage sweeper can clean accumulated dust in the exhaust fan shell at any time, avoids blocking an air suction opening by a large amount of dust generated during daily cleaning, and has the advantages of simple structure and good use effect.

However, the filtering mechanism of the exhaust fan has some disadvantages in practical use: firstly, the filter screen can only filter the conveyed air for one time, and the filtering effect is poor; moreover, the filter screen is not easy to mount and dismount, and is not beneficial to cleaning and replacing the filter screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a centrifugal ventilator of a full-draft type aiming at the problems in the background art.

The technical scheme of the utility model is as follows: pass through pu formula type centrifugal fan, including the ventilation blower body, ventilation blower body inlet end has the rose box through flange joint, the top intercommunication of rose box is connected with the intake pipe, big ring baffle of inside fixedly connected with and big ring baffle of rose box, equal fixedly connected with spoiler between big ring baffle and the rose box and between big ring baffle and the small circle ring baffle, the inlet port has all been seted up on big ring baffle and the small circle ring baffle outer wall, the inside common activity of big ring baffle and small circle ring baffle is pegged graft and is had the time shape frame board, time shape frame board internally mounted has the filter screen, the front of filter screen runs through the outer wall and the fixedly connected with bottom plate of rose box, be provided with clamping mechanism between the outer wall of bottom plate and rose box and be used for fixing the bottom plate on the rose box surface.

Preferably, rectangular through holes are formed in the large circular ring partition plate and the small circular ring partition plate, and the rectangular through holes are matched with the clip-shaped frame plate.

Preferably, the inner wall of the filter box is provided with a clamping groove, and the clamping groove is matched with one end, far away from the bottom plate, of the clip-shaped frame plate.

Preferably, the periphery of the bottom plate is fixedly sleeved with a sealing ring, and the sealing ring is matched with the inner diameter of a through hole penetrating through the outer wall of the filter box through the square-shaped frame plate.

Preferably, the clamping mechanism comprises two L-shaped clamping rods fixedly connected to the front side of the bottom plate and two clamping boxes fixedly connected to the outer wall of the filter box, the L-shaped clamping rods are movably connected to one ends of the clamping boxes to penetrate through the front side of the clamping boxes, the top walls of the clamping boxes are slidably inserted with the pulling rods, the sliding plates are slidably connected to the inner walls of the clamping boxes in a sleeved mode, the sliding plates are fixedly connected to the inner walls of the tops of the sliding plates and the clamping boxes in a sleeved mode, and springs are fixedly connected to the sliding plates and the inner walls of the tops of the clamping boxes.

Preferably, the top of the L-shaped clamping rod is provided with a clamping hole, and the clamping hole is matched with the bottom end of the pulling rod.

Preferably, the side of the pulling rod close to the L-shaped clamping rod is designed to be an inclined plane.

Compared with the prior art, the utility model has the following beneficial technical effects:

1: the utility model discloses a device is through setting up big ring baffle, little ring baffle, spoiler and inlet port, can carry out water conservancy diversion winding circulation with the air in coming the rose box from the intake pipe around big ring baffle, and can carry out the filtration many times to solid impurity and dust in the air under the effect of filter screen when the winding circulation, and the filter effect is good, is favorable to the follow-up use of defeated air supply.

2: this practical device is through setting up latch mechanism for circle shape frame plate and filter screen among this practical device are convenient for install and dismantle, thereby have made things convenient for the change and the cleaning work of filter screen, make this practical device can keep good ventilation filter effect all the time.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a side sectional view of the filter box of FIG. 1;

fig. 3 is a schematic view of the internal structure of the cassette of fig. 1.

Reference numerals: 1. a ventilator body; 2. a filter box; 3. an air inlet pipe; 4. a frame plate of a clip shape; 5. a filter screen; 6. a base plate; 7. a seal ring; 8. an L-shaped clamping rod; 9. clamping the box; 10. pulling a rod; 121. a large annular partition; 122. a small annular partition; 13. a spoiler; 14. a sliding plate; 15. a spring.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-2, the centrifugal ventilator provided by the present invention comprises a ventilator body 1, an air inlet end of the ventilator body 1 is connected with a filter box 2 through a flange, an air inlet pipe 3 is connected with the top of the filter box 2 in an intercommunicating manner, a large circular partition 121 and a large circular partition 121 are fixedly connected inside the filter box 2, spoilers 13 are fixedly connected between the large circular partition 121 and the filter box 2 and between the large circular partition 121 and a small circular partition 122, air inlets are respectively formed on the outer walls of the large circular partition 121 and the small circular partition 122, a circular frame plate 4 is movably inserted into the interiors of the large circular partition 121 and the small circular partition 122 together, a filter screen 5 is installed inside the circular frame plate 4, the front surface of the filter screen 5 penetrates through the outer wall of the filter box 2 and is fixedly connected with a bottom plate 6, and a clamping mechanism is arranged between the bottom plate 6 and the outer wall of the filter box 2 for fixing the bottom plate 6 on the outer surface of the filter box 2.

In this embodiment: rectangular through holes are formed in the large circular ring partition plate 121 and the small circular ring partition plate 122 respectively, and the rectangular through holes are matched with the square-frame plate 4; the fixed cover in periphery of bottom plate 6 is equipped with sealing ring 7, and sealing ring 7 and the through hole internal diameter size phase-match that returns shape frame plate 4 and run through 2 outer walls of rose box, has guaranteed the leakproofness that the concatenation mouth removed after bottom plate 6 and the concatenation of rose box 2 through setting up sealing ring 7, prevents its air leakage.

The working principle is as follows: wind enters the inside of the filter box 2 from the air inlet pipe 3, as shown in fig. 2, under the blocking of the blocking plate 13 between the large circular partition plate 121 and the filter box 2, the wind circulates clockwise around the annular channel formed between the large circular partition plate 121 and the filter box 2, then enters the annular channel formed between the large circular partition plate 121 and the small circular partition plate 122 from the air inlet hole on the large circular partition plate 121, then enters the inside of the small circular partition plate 122 from the air inlet hole on the small circular partition plate 122 after surrounding a circle in the same way, and then enters the inside of the ventilator body 1, in the process, the wind needs to pass through the filter screen 5 for many times, the solid impurities and dust in the air can be filtered for many times under the effect of the filter screen 5, the filtering effect is good, and the subsequent use of air conveying and supplying is facilitated.

Example two

As shown in fig. 2-3, compared with the first embodiment, the centrifugal ventilator disclosed in the present invention further includes a clamping mechanism, the clamping mechanism includes two L-shaped clamping rods 8 fixedly connected to the front surface of the bottom plate 6 and two clamping boxes 9 fixedly connected to the outer wall of the filter box 2, one end of each L-shaped clamping rod 8 close to the clamping box 9 movably penetrates through the front surface of the clamping box 9, a pulling rod 10 is slidably inserted into the top wall of the clamping box 9, a sliding plate 14 slidably connected to the inner wall of the clamping box 9 is fixedly sleeved on the periphery of the pulling rod 10, and a spring 15 is fixedly connected between the sliding plate 14 and the inner wall of the top of the clamping box 9; the top of the L-shaped clamping rod 8 is provided with a clamping hole, and the clamping hole is matched with the bottom end of the pulling rod 10.

In this embodiment: the inner wall of the filter box 2 is provided with a clamping groove, the clamping groove is matched with one end, far away from the bottom plate 6, of the clip-shaped frame plate 4, and the clip groove is arranged, so that when the clip-shaped frame plate 4 is inserted into the filter box 2 to the bottom, the rear part of the clip-shaped frame plate 4 can be clamped into the clamping groove, and the position of the clip-shaped frame plate 4 is stable; the side that dead lever 10 and L shape kelly 8 are close to each other is the inclined plane design, when making L shape kelly 8 insert card case 9 in through the inclined plane design, can support dead lever 10 upward movement earlier under the inclined plane effect.

The working principle of the clamping mechanism is as follows: the L-shaped clamping rod 8 is inserted into the clamping box 9, firstly props against the pulling rod 10 to move upwards under the action of the inclined plane, then is continuously inserted to the bottom, and the pulling rod 10 is downwards clamped into the clamping hole under the action of the resilience force of the spring 15, so that the positioning and the installation are finished, and the pulling rod 10 can be pulled out only by upwards pulling when the L-shaped clamping rod is disassembled; make the time frame plate 4 and the filter screen 5 in this practical device be convenient for install and dismantle to made things convenient for the change and the cleaning work of filter screen 5, makeed this practical device can remain good ventilation filter effect throughout.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. Pass through pu formula type centrifugal fan, including ventilation blower body (1), ventilation blower body (1) inlet end has rose box (2) through flange joint, and the top intercommunication of rose box (2) is connected with intake pipe (3), its characterized in that: the inner part of the filter box (2) is fixedly connected with a large circular ring partition plate (121) and a large circular ring partition plate (121), flow baffles (13) are fixedly connected between the large circular ring partition plate (121) and the filter box (2) and between the large circular ring partition plate (121) and a small circular ring partition plate (122), air inlet holes are formed in the outer walls of the large circular ring partition plate (121) and the small circular ring partition plate (122), the large circular ring partition plate (121) and the small circular ring partition plate (122) are movably inserted together with the inner part of a circular frame plate (4), a filter screen (5) is installed inside the circular frame plate (4), the front surface of the filter screen (5) penetrates through the outer wall of the filter box (2) and is fixedly connected with a bottom plate (6), and a clamping mechanism is arranged between the bottom plate (6) and the outer wall of the filter box (2) and used for fixing the bottom plate (6) on the outer surface of the filter box (2).

2. A centrifugal ventilator according to claim 1, characterized in that the large circular partition (121) and the small circular partition (122) are both provided with rectangular through holes inside, and the rectangular through holes are matched with the frame plate (4).

3. A centrifugal ventilator according to claim 1, characterized in that the inner wall of the filter box (2) is provided with a slot, and the slot is matched with the end of the frame plate (4) far away from the bottom plate (6).

4. A centrifugal ventilator according to claim 3, characterized in that the bottom plate (6) is fixedly sleeved with a sealing ring (7), and the sealing ring (7) is matched with the inner diameter of a through hole of the square frame plate (4) penetrating through the outer wall of the filter box (2).

5. The typable centrifugal fan according to claim 1, characterized in that said clamping mechanism comprises two L-shaped clamping rods (8) fixedly connected to the front of the bottom plate (6) and two clamping boxes (9) fixedly connected to the outer wall of the filtering box (2), and one end of the L-shaped clamping rod (8) close to the clamping box (9) movably penetrates through the front of the clamping box (9), a pulling rod (10) is slidably inserted into the top wall of the clamping box (9), a sliding plate (14) slidably connected to the inner wall of the clamping box (9) is fixedly sleeved on the periphery of the pulling rod (10), and a spring (15) is fixedly connected between the sliding plate (14) and the inner wall of the top of the clamping box (9).

6. A centrifugal ventilator according to claim 5, characterized in that the top of the L-shaped clamping rod (8) is provided with a clamping hole, and the clamping hole is matched with the bottom end of the pulling rod (10).

7. A centrifugal ventilator according to claim 6, characterised in that the side of the pulling rod (10) and the L-shaped clamping rod (8) adjacent to each other is of a bevel design.