CN219888307U

CN219888307U - Fireproof type fire control smoke exhaust fan

Info

Publication number: CN219888307U
Application number: CN202321153732.5U
Authority: CN
Inventors: 张贵
Original assignee: Hangzhou Qijiang Hvac Equipment Co ltd
Current assignee: Hangzhou Qijiang Hvac Equipment Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-10-24
Anticipated expiration: 2033-05-15

Abstract

The utility model relates to the technical field of smoke exhaust fans, in particular to a fireproof fire-fighting smoke exhaust fan, which comprises a fan shell, wherein a plurality of thread grooves are formed in the outer wall of one side of the shell, connecting bolts are connected to the inner wall of the thread grooves in a screwed mode, a mounting ring is connected to the outer wall of one side of the shell through the connecting bolts, a plurality of connecting plates are fixedly connected to the inner wall of the mounting ring, one end of each connecting plate is fixedly connected with a mounting plate, a circular opening is formed in the outer wall of one side of each mounting plate, a connecting column is connected to the inner wall of each circular opening in a rotating mode, and a cleaning seat is fixedly connected to one end of each connecting column. The utility model overcomes the defects of the prior art, the detachable mounting ring is arranged on the shell, the filter screen is arranged in the mounting ring, the air entering the fan can be filtered through the filter screen, the cleaning seat is arranged on the mounting disc in the mounting ring, and impurities adhered on the filter screen can be cleaned conveniently through the scraping strip arranged on the cleaning seat.

Description

Fireproof type fire control smoke exhaust fan

Technical Field

The utility model relates to the technical field of smoke exhaust fans, in particular to a fireproof fire-fighting smoke exhaust fan.

Background

The purpose of the fire-fighting smoke exhaust fan is to exhaust the eyes generated by fire to the outside through the fan, so that people are guaranteed not to be surrounded by smoke, and the fire-fighting smoke exhaust fan cannot breathe, and plays a great role in fire protection.

Through retrieving, chinese patent publication No. CN 210343757U's patent discloses a fire prevention formula fire control smoke exhaust fan, including the fan housing, the front of fan housing is inlayed and is had the dust cover, and the bottom fixedly connected with base of fan housing, the inner wall of base is provided with the louvre, the inboard of fan housing is provided with the impeller, and the front of impeller is provided with the stopper, the bottom intermediate position welding of fan housing has the solid fixed ring, the intermediate position of impeller has first motor through rotation axis connection, and the mount is installed to the bottom of first motor, the inner wall bottom of fan housing is provided with the heat absorption piece, and the bottom welding of heat absorption piece has the second motor, the bottom of second motor has the flabellum through rotation axis connection, the back of fan housing is provided with the air outlet, and the left side of air outlet is provided with the fixed orifices, the inner wall of air outlet is provided with inlays the hole.

One of the above patents has the following disadvantages: in the above patent, although the dust cover is arranged at the air inlet end of the fan, the suction force of the fan is large when the fan is started, a large amount of impurities can be accumulated in the dust cover in a short time, the impurities block the dust cover to directly reduce the air inlet quantity of the fan, and the smoke discharging efficiency is directly influenced.

Disclosure of Invention

The present utility model aims to solve or at least alleviate the problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire prevention formula fire control smoke exhaust fan, includes the shell of fan, a plurality of thread grooves have been seted up to one side outer wall of shell, and the inner wall spiro union of thread groove has connecting bolt, one side outer wall of shell has the collar through connecting bolt connection, the inner wall fixedly connected with of collar a plurality of connecting plates, and the one end fixedly connected with mounting disc of connecting plate, the circle mouth has been seted up to one side outer wall of mounting disc, and the inner wall rotation of circle mouth is connected with the spliced pole, the one end fixedly connected with clearance seat of spliced pole, equal fixedly connected with filter screen between the connecting plate, one side outer wall fixedly connected with of clearance seat scrapes the strip, and scrapes the strip and contacts with the filter screen.

Optionally, a first prismatic groove is formed in the outer wall of one side of the connecting column, and a prism is connected to the inner wall of the first prismatic groove in a sliding mode.

Optionally, the inner wall of the first prismatic groove is fixedly connected with a spring, and one end of the spring is fixedly connected to the prismatic groove.

Optionally, the inner wall fixedly connected with two mounting brackets of shell, and fixedly connected with same motor between two mounting brackets.

Optionally, an impeller is fixedly connected to an output shaft of the motor, and a second prismatic groove is formed in the outer wall of one side of the impeller.

Optionally, the specification of the second prismatic groove is matched with the specification of the prism, and the prism is inserted into the second prismatic groove.

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

(1) According to the utility model, the detachable mounting ring is arranged on the shell, the filter screen is arranged in the mounting ring, the air entering the fan can be filtered through the filter screen, the cleaning seat is arranged on the mounting disc in the mounting ring, and impurities adhered to the filter screen are conveniently cleaned through the scraping strip arranged on the cleaning seat;

(2) According to the utility model, the connecting column is arranged on the cleaning seat, and the prism on the connecting column is clamped with the impeller in the fan, so that the cleaning seat is directly driven to rotate when the impeller rotates, impurities adhered on the surface of the filter screen are conveniently cleaned, and the influence of the impurities on the air inlet quantity of the fan caused by the blockage of the filter screen is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a mounting ring according to the present utility model;

FIG. 3 is a schematic view of a cleaning seat according to the present utility model;

fig. 4 is a schematic cross-sectional view of the housing of the present utility model.

In the figure: 1. a housing; 2. a mounting ring; 3. a filter screen; 4. cleaning a seat; 5. a connecting plate; 6. a mounting plate; 7. a connecting column; 8. a spring; 9. a prism; 10. scraping the strip; 11. a motor; 12. an impeller; 13. a second prismatic groove; 14. a heat sink; 15. and (5) mounting a frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a fire-proof fire-fighting smoke exhaust fan comprises a fan shell 1, a plurality of thread grooves are formed in the outer wall of one side of the shell 1, connecting bolts are connected to the inner wall of the thread grooves in a threaded mode, a mounting ring 2 is conveniently fixed to the outer wall of one side of the shell 1 through the connecting bolts, a plurality of connecting plates 5 are fixedly connected to the inner wall of the mounting ring 2, a plurality of connecting plates 5 are conveniently fixed to a mounting plate 6, one end of each connecting plate 5 is fixedly connected with the mounting plate 6, a round opening is formed in the outer wall of one side of each mounting plate 6, a connecting column 7 is connected to the inner wall of the round opening in a rotating mode, a cleaning seat 4 is fixedly connected to one end of each connecting column 7, a filter screen 3 is fixedly connected between the connecting plates 5, two scraping bars 10 are fixedly connected to the outer wall of one side of each cleaning seat 4, the scraping bars 10 are contacted with the filter screen 3, and the cleaning seat 4 drives the scraping bars 10 to clean the surface of the filter screen 3 when rotating, and therefore the filter screen 3 is prevented from being blocked.

Specifically, referring to fig. 2-3, a first prism groove is formed in an outer wall of one side of the connecting post 7, a prism 9 is slidably connected to an inner wall of the first prism groove, a spring 8 is fixedly connected to an inner wall of the first prism groove, one end of the spring 8 is fixedly connected to the prism 9, and the prism 9 is slidably connected to the first prism groove and is connected through the spring 8.

Specifically, referring to fig. 4, the inner wall of the housing 1 is fixedly connected with two mounting frames 15, the two mounting frames 15 are fixedly connected with the same motor 11, an output shaft of the motor 11 is fixedly connected with an impeller 12, a second prismatic groove 13 is formed in the outer wall of one side of the impeller 12, and the motor 11 directly drives the impeller 12 to rotate, so that smoke is conveniently discharged.

Specifically, referring to fig. 2-4, the specifications of the second prism groove 13 and the prism 9 are matched, the prism 9 is inserted into the second prism groove 13, the outer wall of the motor 11 is fixedly connected with a plurality of cooling fins 14, the outer wall of the housing 1 is coated with a fireproof coating, the cooling fins 14 are arranged to facilitate the cooling of the motor 11, and the fireproof coating improves the fireproof performance of the fan.

Working principle: during the use, fireproof performance through the fire prevention coating on the fan shell has improved the fan, when discharging fume through the fan, the impeller 12 is discharged in inhaling the fan with smog when rotating, drive the clearance seat 4 and rotate when rotating of impeller 12, drive when the clearance seat 4 rotates and scrape the strip 10 and clear up the surface of filter screen 3, the impurity in the flue gas filters out through filter screen 3 when entering into shell 1, because fan suction leads to impurity accumulation on filter screen 3 greatly, scrape the strip 10 and can clear up out the impurity on the filter screen 3 when rotating, avoid filter screen 3 to block up and influence into the cigarette volume.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fire prevention formula fire control smoke exhaust fan, includes shell (1) of fan, its characterized in that: a plurality of thread grooves are formed in one side outer wall of the shell (1), connecting bolts are connected to the inner wall of the thread grooves in a threaded mode, a mounting ring (2) is connected to one side outer wall of the shell (1) through the connecting bolts, a plurality of connecting plates (5) are fixedly connected to the inner wall of the mounting ring (2), one end of each connecting plate (5) is fixedly connected with a mounting plate (6), a round opening is formed in one side outer wall of each mounting plate (6), a connecting column (7) is connected to one side outer wall of each round opening in a rotating mode, a cleaning seat (4) is fixedly connected to one end of each connecting column (7), a filter screen (3) is fixedly connected between the connecting plates (5), and two scraping strips (10) are fixedly connected to one side outer wall of each cleaning seat (4) and contact with the filter screen (3).

2. The fire-resistant fire-fighting smoke exhaust fan as set forth in claim 1, wherein: an edge groove I is formed in the outer wall of one side of the connecting column (7), and a prism (9) is connected to the inner wall of the edge groove I in a sliding mode.

3. The fire-resistant fire-fighting smoke exhaust fan as set forth in claim 2, wherein: the inner wall of the first prismatic groove is fixedly connected with a spring (8), and one end of the spring (8) is fixedly connected to the prism (9).

4. The fire-resistant fire-fighting smoke exhaust fan as set forth in claim 1, wherein: the inner wall of the shell (1) is fixedly connected with two mounting frames (15), and the same motor (11) is fixedly connected between the two mounting frames (15).

5. The fire-resistant fire-fighting smoke exhaust fan as set forth in claim 4, wherein: an output shaft of the motor (11) is fixedly connected with an impeller (12), and a second prismatic groove (13) is formed in the outer wall of one side of the impeller (12).

6. The fire-resistant fire-fighting smoke extractor of claim 5, wherein: the specification of the prismatic groove II (13) is matched with the specification of the prismatic column (9), and the prismatic column (9) is inserted into the prismatic groove II (13).

7. The fire-resistant fire-fighting smoke extractor of claim 6, wherein: the outer wall of the motor (11) is fixedly connected with a plurality of radiating fins (14), and the outer wall of the shell (1) is coated with a fireproof coating.