CN214788092U

CN214788092U - Axial-flow type fire-fighting smoke exhaust fan

Info

Publication number: CN214788092U
Application number: CN202023309304.6U
Authority: CN
Inventors: 刘萍; 周军; 项丽娜; 于义国
Original assignee: Sichuan Hualitong Technology Co ltd
Current assignee: Sichuan Hualitong Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-19
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an axial-flow type fire control smoke exhaust fan belongs to ventilation equipment technical field, including an installation section of thick bamboo, the internally mounted of an installation section of thick bamboo has the mount, and installs the motor on the mount, the transmission shaft is installed to the output of motor, the one end that the motor was kept away from to the transmission shaft is fixed with first flabellum, install the driving gear on the transmission shaft, the mount is close to one side of first flabellum and evenly rotates and install the bull stick. The utility model discloses the setting of motor output end transmission shaft uses through the driven gear on the epaxial driving gear cooperation bull stick of transmission for the motor is at the pivoted in-process, can rotate with the second flabellum by the first flabellum of simultaneous control, has improved the result of use of device, and has eliminated the blind spot of discharging fume of leaf some department, and the practicality is higher, and the setting of the holding ring of installation section of thick bamboo outside screw thread installation can be fixed the device extrusion on the wall body through the holding ring, and it is more convenient to install and dismantle.

Description

Axial-flow type fire-fighting smoke exhaust fan

Technical Field

The utility model relates to a smoke exhaust fan especially relates to an axial-flow type fire control smoke exhaust fan, belongs to ventilation equipment technical field.

Background

The axial flow fan is airflow in the same direction as the axis of the fan blade, such as an electric fan, and an air conditioner external fan is a fan operated in an axial flow mode, so the axial flow fan is called as axial flow, because gas flows in parallel to the fan axis, the axial flow fan is generally used in occasions with higher flow requirement and lower pressure requirement, and is widely used on a fire-fighting smoke exhaust pipeline;

and in axial-flow type smoke exhaust fan's use, the position department at flabellum center has the blind spot of discharging fume, influences the effect of discharging fume, and at the in-process of installation, installs more on the wall, and traditional device is fixed comparatively inconvenient consequently, the utility model provides an axial-flow type fire control smoke exhaust fan is in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an axial-flow type fire control smoke exhaust fan to it is relatively poor to solve smoke exhaust effect among the prior art, and installs comparatively inconvenient problem.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides an axial-flow type fire control smoke exhaust fan, includes an installation section of thick bamboo, the internally mounted of an installation section of thick bamboo has the mount, and installs the motor on the mount, the transmission shaft is installed to the output of motor, the one end that the motor was kept away from to the transmission shaft is fixed with first flabellum, install the driving gear on the transmission shaft, the one side that the mount is close to first flabellum is evenly rotated and is installed the bull stick, and the tip of bull stick all installs the second flabellum, all install the driven gear with driving gear meshing on the bull stick.

Preferably: the inside one end that is close to first flabellum of installation section of thick bamboo is fixed with big mesh filter screen, the inside one end of keeping away from big mesh filter screen of installation section of thick bamboo installs little mesh filter screen.

Preferably: and positioning rings are arranged at the two ends of the outer side of the mounting cylinder in a threaded manner.

Preferably: the holding ring includes first semicircle board, second semicircle board, draw-in groove and fixture block, the tip block of first semicircle board has second semicircle board, the draw-in groove has all been seted up at the both ends of first semicircle board, the both ends of second semicircle board all be fixed with draw-in groove complex fixture block, the inside of first semicircle board and second semicircle board is all seted up threadedly.

Preferably: the outer sides of the first semicircular plate and the second semicircular plate are uniformly provided with anti-skid grains.

Preferably: the second fan blades are provided with four groups, and the distances between the adjacent second fan blades are the same.

The utility model has the advantages that:

the utility model provides a pair of axial-flow type fire control smoke exhaust fan, the setting of motor output end transmission shaft, use through the driven gear on the epaxial driving gear cooperation bull stick of transmission, make the motor at the pivoted in-process, can rotate with the second flabellum by the first flabellum of simultaneous control, the result of use of device has been improved, and eliminated the blind spot of discharging fume of leaf some department in the flabellum, the practicality is higher, the setting of the holding ring of installation section of thick bamboo outside screw thread installation, can fix the device extrusion on the wall body through the holding ring, it is more convenient to install and dismantle, the setting of the inside big mesh filter screen of installation section of thick bamboo and little mesh filter screen, can filter at the in-process of discharging fume, the service function of device has been improved.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of the positioning ring of the present invention.

In the figure: 1. mounting the cylinder; 2. a fixed mount; 3. a motor; 4. a drive shaft; 5. a first fan blade; 6. a driving gear; 7. a rotating rod; 8. a driven gear; 9. a second fan blade; 10. a large mesh screen; 11. a small mesh screen; 12. a positioning ring; 13. a first semicircular plate; 14. a second semicircular plate; 15. a card slot; 16. and (7) clamping blocks.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3, this embodiment provides an axial-flow type fire control smoke exhaust fan, including installation section of thick bamboo 1, the internally mounted of installation section of thick bamboo 1 has mount 2, and install motor 3 on the mount 2, transmission shaft 4 is installed to motor 3's output, the one end that motor 3 was kept away from to transmission shaft 4 is fixed with first flabellum 5, install driving gear 6 on the transmission shaft 4, mount 2 evenly rotates near one side of first flabellum 5 and installs bull stick 7, and second flabellum 9 is all installed to the tip of bull stick 7, all install driven gear 8 with driving gear 6 meshing on the bull stick 7.

In this embodiment, as shown in fig. 1, the inside one end that is close to first flabellum 5 of installation section of thick bamboo 1 is fixed with big mesh filter screen 10, and the inside one end of keeping away from big mesh filter screen 10 of installation section of thick bamboo 1 installs little mesh filter screen 11, utilizes the filter screen to filter the dust in the flue gas, has reduced the pollution to the environment.

In the embodiment, as shown in fig. 1, the positioning rings 12 are threadedly mounted at both ends of the outer side of the mounting tube 1, and the device can be conveniently fixed on a wall body by using the positioning rings 12.

In this embodiment, as shown in fig. 3, the positioning ring 12 includes a first semicircular plate 13, a second semicircular plate 14, a clamping groove 15 and a clamping block 16, the second semicircular plate 14 is clamped at the end of the first semicircular plate 13, the clamping groove 15 is respectively formed at both ends of the first semicircular plate 13, the clamping block 16 matched with the clamping groove 15 is respectively fixed at both ends of the second semicircular plate 14, the first semicircular plate 13 and the second semicircular plate 14 are both provided with threads, in the using process, the clamping block 16 is inserted into the clamping groove 15, the first semicircular plate 13 and the second semicircular plate 14 are connected, and then the positioning ring 12 is screwed tightly, so that the two positioning rings 12 are respectively fixed at the inner side and the outer side of the wall, and the device is fixed.

In the embodiment, as shown in fig. 3, the first semicircular plate 13 and the second semicircular plate 14 are uniformly provided with anti-slip threads on the outer sides thereof, so as to facilitate the rotation control of the positioning ring 12 and facilitate the installation.

In this embodiment, as shown in fig. 1, four sets of second fan blades 9 are provided, and the distances between adjacent second fan blades 9 are the same, so as to improve the smoke exhausting effect of the device.

As shown in fig. 1 to fig. 3, the present embodiment provides an axial-flow fire-fighting smoke exhaust fan, which works as follows:

step 1: in the installation process, a wall body is provided with an installation hole, the installation cylinder 1 is inserted into the installation hole after the installation, after the insertion is completed, the positioning rings 12 are respectively assembled on the inner side and the outer side of the wall body, the fixture blocks 16 on the second semicircular plates 14 are inserted into the clamping grooves 15 of the first semicircular plates 13 to complete the assembly of the positioning rings 12, then the positioning rings 12 are rotated to be attached and fixed with the wall body, and after the device is fixed, the smoke exhaust pipeline is communicated with one end of the installation cylinder 1 close to the large mesh filter screen 10;

step 2: in the using process, the starting motor 3 drives the transmission shaft 4 to rotate, the rotation of the transmission shaft 4 drives the driving gear 6 and the first fan blade 5 to rotate, and the driving gear 6 is meshed with the driven gear 8, so that the second fan blade 9 is driven to rotate at the same time to discharge smoke;

and step 3: in the smoke discharging process, the large mesh filter screen 10 is used for preliminarily filtering dust, and the small mesh filter screen 11 is used for secondary filtering after the dust is discharged.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides an axial-flow type fire control smoke exhaust fan which characterized in that: including an installation section of thick bamboo (1), the internally mounted of an installation section of thick bamboo (1) has mount (2), and installs motor (3) on mount (2), transmission shaft (4) are installed to the output of motor (3), the one end that motor (3) were kept away from in transmission shaft (4) is fixed with first flabellum (5), install driving gear (6) on transmission shaft (4), mount (2) are close to one side of first flabellum (5) and evenly rotate and install bull stick (7), and the tip of bull stick (7) all installs second flabellum (9), all install driven gear (8) with driving gear (6) meshing on bull stick (7).

2. The axial-flow type fire-fighting smoke exhaust fan according to claim 1, characterized in that: the fan blade is characterized in that a large mesh filter screen (10) is fixed at one end, close to the first fan blade (5), inside the installation cylinder (1), and a small mesh filter screen (11) is installed at one end, far away from the large mesh filter screen (10), inside the installation cylinder (1).

3. The axial-flow type fire-fighting smoke exhaust fan according to claim 1, characterized in that: and positioning rings (12) are arranged at the two ends of the outer side of the mounting cylinder (1) in a threaded manner.

4. The axial-flow type fire-fighting smoke exhaust fan according to claim 3, characterized in that: holding ring (12) are including first semicircle board (13), second semicircle board (14), draw-in groove (15) and fixture block (16), the tip block of first semicircle board (13) has second semicircle board (14), draw-in groove (15) have all been seted up at the both ends of first semicircle board (13), the both ends of second semicircle board (14) all be fixed with draw-in groove (15) complex fixture block (16), the inside of first semicircle board (13) and second semicircle board (14) is all seted up threadedly.

5. The axial-flow type fire-fighting smoke exhaust fan according to claim 4, characterized in that: the outer sides of the first semicircular plate (13) and the second semicircular plate (14) are uniformly provided with anti-slip grains.

6. The axial-flow type fire-fighting smoke exhaust fan according to claim 1, characterized in that: the second fan blades (9) are provided with four groups, and the distances between the adjacent second fan blades (9) are the same.