CN218817231U

CN218817231U - Flow guiding device of bidirectional reversible axial flow fan

Info

Publication number: CN218817231U
Application number: CN202223082407.2U
Authority: CN
Inventors: 王支业; 王瀑权; 冯英卫; 杨帆
Original assignee: Xuzhou Dayuan Electromotor Co ltd
Current assignee: Xuzhou Dayuan Electromotor Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-07
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to an axial-flow fan field especially relates to a two-way reversible axial-flow fan's guiding device. Its technical scheme includes the air-out sleeve, and fixed mounting has the air intake baffle on the inner wall of air-out sleeve air inlet department, and fixed mounting has the cylinder on the air intake baffle, and fixed mounting has the shrouding on the output shaft of cylinder, and fixed mounting has the air outlet baffle on the inner wall of air-out sleeve air outlet department, cuts a hole on the air outlet baffle and has circular air outlet, and fixed mounting has the windshield on the telescopic outer wall of air-out, cuts a hole on the telescopic section of thick bamboo wall of air-out and has a plurality of slant air outlets. Drive the shrouding lateral shifting through the cylinder, be convenient for carry out the shutoff to circular air outlet, can prevent this moment that outdoor wind from blowing in inside the air-out sleeve to can let axial fan exhaust wind from the slant air exit get into the windshield in, be convenient for discharge indoor air current, effectively solved outdoor wind and blown the problem that can increase the resistance of airing exhaust when to the ventilation blower, improved axial fan's the efficiency of airing exhaust.

Description

Flow guiding device of bidirectional reversible axial flow fan

Technical Field

The utility model relates to an axial-flow fan field especially relates to a two-way reversible axial-flow fan's guiding device.

Background

The axial flow fan is the most common ventilation and air supply equipment in the market at present, and is called as axial flow because air flows parallel to the fan shaft, namely, the air flows in the same direction with the shaft of the fan blade, such as an electric fan, and an air conditioner external fan is an axial flow type running fan. Especially, the bidirectional reversible axial flow fan can realize the adjustment of the wind direction output direction and can fulfill the aims of air intake to the indoor and air exhaust to the outdoor. Because the air outlet port of the axial flow fan is usually located outdoors, if the outdoor natural wind direction blows the axial flow fan during the process of exhausting the air outdoors, a certain resistance is generated to the exhaust of the axial flow fan.

In the actual use process of the traditional bidirectional reversible axial flow fan, most of the air outlet ports of the fan are not provided with the flow guide devices, when outdoor natural air blows the axial flow fan, the air exhaust resistance is increased, the load of the axial flow fan is obviously increased, and the air exhaust efficiency of the axial flow fan is reduced; in view of this, we propose a guiding device of a reversible axial-flow fan capable of reducing the resistance of outdoor air to the fan and thus improving the air-exhausting efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at the problem that exists among the background art, propose can reduce the resistance that outdoor wind caused to the ventilation blower and improve the guiding device of a two-way reversible axial fan of efficiency of airing exhaust with this.

The technical scheme of the utility model: the utility model provides a two-way reversible axial fan's guiding device, includes the air-out sleeve, fixed mounting has the air intake baffle on the inner wall of air-out sleeve air inlet department, fixed mounting has the cylinder on the air intake baffle, fixed mounting has the shrouding on the output shaft of cylinder, fixed mounting has the air outlet baffle on the inner wall of air-out sleeve air outlet department, it has circular air outlet to cut on the air outlet baffle, the one end embedding of shrouding is in circular air outlet and rather than the block connection, fixed mounting has the windshield on the telescopic outer wall of air-out, it has a plurality of slant air outlets, and is a plurality of to cut on the telescopic section of thick bamboo wall of air-out the slant air outlet all covers inside the windshield.

Preferably, fixed mounting has the holding ring on the telescopic outer wall of air-out, the holding ring sets up in the one side of keeping away from the windshield, fixes the holding ring in axial fan's air-out port department, is convenient for install guiding device.

Preferably, be equipped with the rectification interval between windshield inner wall and the air-out sleeve outer wall, the rectification interval is through inside intercommunication of slant air exit and air-out sleeve, ensures that the air current in the air-out sleeve can get into in the rectification interval.

Preferably, a plurality of circular air inlets are dug on the air inlet baffle, fixed mounting has cylinder installation cover on the inner wall of air inlet baffle, cylinder fixed mounting is inside cylinder installation cover, effectively improves the fastness after the cylinder installation.

Preferably, the shrouding includes circular aluminum alloy plate, circular aluminum alloy plate passes through the output shaft fixed connection of connecting rod and cylinder, circular aluminum alloy plate is last fixed mounting has circular rubber slab, carries out the shutoff through circular rubber slab to circular air outlet, can improve its sealed effect.

Preferably, fixed mounting has built-in kuppe on the cylinder installation cover, the inside fixed mounting of built-in kuppe has spacing lantern ring, can carry on spacingly to the connecting rod through spacing lantern ring, stability when improving the shrouding lateral shifting.

Compared with the prior art, the utility model discloses following profitable technological effect has: drive the shrouding lateral shifting through the cylinder, be convenient for carry out the shutoff to circular air outlet, can prevent this moment that outdoor wind from blowing in inside the air-out sleeve to can let axial fan exhaust wind from the slant air exit get into the windshield in, be convenient for discharge indoor air current, effectively solved outdoor wind and blown the problem that can increase the resistance of airing exhaust when blowing to the ventilation blower, load when having reduced the ventilation blower operation has improved axial fan's the efficiency of airing exhaust greatly.

Drawings

Fig. 1 shows a schematic diagram of the overall structure of the present invention;

fig. 2 is an assembly diagram of the middle air-out sleeve of the present invention;

FIG. 3 is a schematic view of the internal structure of the middle built-in dome of the present invention;

fig. 4 is a schematic diagram of the structure of the middle sealing plate of the present invention.

Reference numerals: 1. an air outlet sleeve; 11. an oblique air outlet; 12. a positioning ring; 2. a windshield; 21. a rectification interval; 3. an air outlet baffle; 4. a circular air outlet; 5. closing plates; 51. a circular aluminum alloy plate; 52. a circular rubber plate; 6. a flow guide cover is arranged inside; 61. a limiting lantern ring; 7. a cylinder mounting cover; 8. a cylinder; 9. an air inlet baffle; 91. and a circular air inlet.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a guiding device of a bidirectional reversible axial-flow fan, which comprises an air outlet sleeve 1, wherein a positioning ring 12 is welded on the outer wall of one end of the air outlet sleeve 1, which is close to an air inlet, and after the end part of the air outlet sleeve 1 is inserted into an air outlet of the axial-flow fan, the positioning ring 12 is fixed on the axial-flow fan by using screws, so that the guiding device can be conveniently and fixedly mounted; an air inlet baffle plate 9 is welded on the inner wall of the air inlet port of the air outlet sleeve 1, an air cylinder mounting cover 7 is welded on the inner wall of the air inlet baffle plate 9, an air cylinder 8 is fixedly mounted in the air cylinder mounting cover 7, and firmness of the air cylinder 8 after mounting is effectively improved; a plurality of circular air inlets 91 are drilled on the air inlet baffle plate 9, and the circular air inlets 91 are distributed on the air inlet baffle plate 9 in a surrounding manner, so that the air flow discharged by the axial flow fan can enter the air outlet sleeve 1; an air outlet baffle 3 is welded on the inner wall of one end, close to an air outlet port, of the air outlet sleeve 1, and a circular air outlet 4 is formed in the air outlet baffle 3 in a chiseled mode, so that air flow in the air outlet sleeve 1 can penetrate through the circular air outlet 4 and can be discharged outdoors; a sealing plate 5 is fixedly assembled on an output shaft of the air cylinder 8, the sealing plate 5 can seal the circular air outlet 4, and after the circular air outlet 4 is sealed, the whole air outlet baffle 3 can seal an air outlet port of the air outlet sleeve 1, so that outdoor air can be prevented from entering and exiting the air outlet sleeve 1; the outer wall of the air outlet sleeve 1 is welded with the windproof cover 2, a plurality of oblique air outlets 11 are cut on the wall of the air outlet sleeve 1, the oblique air outlets 11 are all covered inside the windproof cover 2, a rectification interval 21 in the windproof cover 2 can be communicated with the interior of the air outlet sleeve 1 through the oblique air outlets 11, when the air outlet baffle 3 is in a closed state, air flow in the air outlet sleeve 1 can be discharged outwards from the oblique air outlets 11, and the normal air exhaust of the flow guide device is guaranteed.

In this embodiment, the air flow in the axial flow fan can enter the air outlet sleeve 1 through the circular air inlet 91, and after entering the air outlet sleeve 1, the air flow can pass through the circular air outlet 4 and be discharged to the outside; at this time, the air flow in the air outlet sleeve 1 can pass through the oblique air outlet 11 and be discharged outwards, and under the protection of the windshield 2, outdoor air can be prevented from entering the air outlet sleeve 1 from the oblique air outlet 11, so that resistance of the outdoor air to the air flow discharged from the oblique air outlet 11 is avoided; compared with the traditional axial flow fan, the air guide device can solve the problem that outdoor air causes resistance to airflow exhausted by the axial flow fan, reduce the load of the axial flow fan and effectively improve the air exhaust efficiency of the axial flow fan.

Example two

As shown in fig. 1 to 4, based on the first embodiment, the air conditioner further includes a built-in dome 6 and a sealing plate 5, one end of the built-in dome 6 is covered on the outer wall of the cylinder mounting cover 7 and is welded with the outer wall of the cylinder mounting cover into a whole, a reinforcing rod is welded on the outer wall of the built-in dome 6, and the other end of the reinforcing rod is welded with the inner wall of the air outlet sleeve 1 into a whole, so that the firmness of the built-in dome 6 after mounting is effectively improved; a limiting sleeve ring 61 is fixedly assembled inside the built-in air guide sleeve 6 through a support, and a connecting rod for connecting the output shaft of the sealing plate 5 and the air cylinder 8 penetrates through the limiting sleeve ring 61 and is movably connected with the limiting sleeve ring, so that the connecting rod can be ensured to stably move transversely, and the transverse movement stability of the sealing plate 5 is effectively improved; foretell shrouding 5 then comprises circular aluminum alloy plate 51 and circular rubber slab 52, and circular aluminum alloy plate 51 is fixed at the tip of connecting rod, and circular rubber slab 52 is then fixed mounting on circular aluminum alloy plate 51, and inside back when circular rubber slab 52 embedding circular air outlet 4 can be to circular air outlet 4 shutoff, improves its sealed effect.

The circular aluminum alloy plate 51 can improve the firmness of the circular rubber plate 52 after being installed, and the circular aluminum alloy plate 51 is light in weight, so that the load of the sealing plate 5 can be reduced, and the load during the transverse movement can be effectively reduced; can carry on spacingly to the connecting rod through spacing lantern ring 61, ensure that lateral shifting can be stabilized to the connecting rod, prevent that the connecting rod from keeping away from the one end of cylinder 8 and producing the slope phenomenon, can guarantee that circular rubber slab 52 and circular air outlet 4 are located the same axis, ensure that circular rubber slab 52 and circular air outlet 4 can accurate butt joint.

The above embodiments are merely some preferred embodiments of the present invention, and many alternative modifications and combinations can be made to the above embodiments by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a two-way reversible axial-flow fan's guiding device, includes air-out sleeve (1), its characterized in that: fixed mounting has air intake baffle (9) on the inner wall of air-out sleeve (1) air inlet port department, fixed mounting has cylinder (8) on air intake baffle (9), fixed mounting has shrouding (5) on the output shaft of cylinder (8), fixed mounting has air outlet baffle (3) on the inner wall of air-out sleeve (1) air outlet port department, it has circular air outlet (4) to cut a hole on air outlet baffle (3), the one end embedding circular air outlet (4) of shrouding (5) are connected rather than the block, fixed mounting has windshield (2) on the outer wall of air-out sleeve (1), cut a hole on the section of thick bamboo wall of air-out sleeve (1) has a plurality of slant air outlets (11), and is a plurality of slant air outlets (11) all cover inside windshield (2).

2. The air guide device of the bidirectional reversible axial flow fan is characterized in that a positioning ring (12) is fixedly mounted on the outer wall of the air outlet sleeve (1), and the positioning ring (12) is arranged on the side far away from the windshield (2).

3. The air guide device of the bidirectional reversible axial flow fan is characterized in that a rectification section (21) is arranged between the inner wall of the windshield (2) and the outer wall of the air outlet sleeve (1), and the rectification section (21) is communicated with the inside of the air outlet sleeve (1) through an oblique air outlet (11).

4. The air guide device of the bidirectional reversible axial flow fan as claimed in claim 1, wherein the air inlet baffle plate (9) is provided with a plurality of circular air inlets (91), the inner wall of the air inlet baffle plate (9) is fixedly provided with the cylinder mounting cover (7), and the cylinder (8) is fixedly arranged inside the cylinder mounting cover (7).

5. The air guiding device of a reversible axial flow fan in two directions as claimed in claim 1, wherein said closing plate (5) comprises a circular aluminum alloy plate (51), said circular aluminum alloy plate (51) is fixedly connected with the output shaft of the cylinder (8) through a connecting rod, and a circular rubber plate (52) is fixedly mounted on said circular aluminum alloy plate (51).

6. The air guide device of the bidirectional reversible axial flow fan as claimed in claim 4, wherein the cylinder mounting cover (7) is fixedly provided with an internal air guide cover (6), and the internal air guide cover (6) is fixedly provided with a limiting collar (61) inside.