CN210317851U

CN210317851U - Energy-saving high-efficiency glass fiber reinforced plastic centrifugal roof fan

Info

Publication number: CN210317851U
Application number: CN201921106928.2U
Authority: CN
Inventors: 黄国强
Original assignee: Beijing Jieyade Environmental Technology Co Ltd
Current assignee: Beijing Jieyade Environmental Technology Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-14
Anticipated expiration: 2029-07-16

Abstract

The utility model provides an energy-conserving high-efficient glass steel centrifugal roof fan, the utility model relates to the exhaust fan technical field, wherein the shell is worn to establish and is fixed on outside roof, set up the air inlet on the lower lateral wall of shell, set up the gas outlet on the upside edge of shell lateral wall, and the gas outlet sets up in the top of outside roof, the shell internal fixation is provided with the support, and the support erects in the top of air inlet, the bearing is revolved and is equipped with the axis of rotation on the support, the axis of rotation is overlapped and is equipped with the flabellum, the flabellum sets up horizontally, and the flabellum sets up in the below of gas outlet, the; an air guide passage is fixedly inserted into the air outlet, and the outlet end of the air guide passage is bent downwards by 90 degrees; it is provided with the air guide way on the air outlet, and the air guide way is buckled the setting downwards for the export level of air guide way sets up downwards, can prevent inside outside rainwater entering shell.

Description

Energy-saving high-efficiency glass fiber reinforced plastic centrifugal roof fan

Technical Field

The utility model relates to an exhaust fan technical field, concretely relates to energy-conserving high-efficient glass steel centrifugal roof fan.

Background

Centrifugal fans, which are commonly used for ventilation of plants, warehouses, and the like, generate centrifugal force by rotation of fan blades and suck air into the fans to be discharged backwards.

In the prior art, a centrifugal fan installed on a roof is often horizontally arranged, an air outlet of the centrifugal fan is located on the side edge of a fan shell, and in a wind and rain weather environment, external rainwater is easy to enter a room from a sealed air outlet and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design, convenient to use's energy-conserving high-efficient glass steel centrifugal roof fan, it is provided with the air guide way on the air outlet, and the air guide way is buckled downwards and is set up for the export level of air guide way sets up downwards, can prevent inside outside rainwater gets into the shell.

In order to achieve the above object, the utility model adopts the following technical scheme: the air guide device comprises a shell, a support, a rotating shaft, fan blades, a motor and an air guide channel, wherein the shell is fixedly arranged on an external roof in a penetrating manner, the lower side wall of the shell is provided with an air inlet, the upper side edge of the side wall of the shell is provided with an air outlet, the air outlet is arranged above the external roof, the shell is internally and fixedly provided with the support, the support is erected above the air inlet, the rotating shaft is rotatably arranged on a bearing on the support, the fan blades are fixedly sleeved on the rotating shaft and horizontally arranged, the fan blades are arranged below the air outlet, the motor is fixedly arranged on the support, and an output shaft of the; an air guide passage is fixedly inserted into the air outlet, and the outlet end of the air guide passage is bent downwards by 90 degrees.

Furthermore, a dovetail groove is fixedly arranged on the side wall of the shell and is arranged between the outlet end of the air guide passage and an external roof, a base plate is arranged in the dovetail groove in a sliding mode through a sliding block, the sliding block is fixedly arranged on the base plate, and the base plate is arranged below the outlet end of the air guide passage.

Furthermore, the lower side wall of the shell is fixedly provided with a connecting rod, the lower end of the connecting rod is fixedly provided with a baffle, and the baffle is arranged below the air inlet.

Further, the lower extreme of axis of rotation wear to establish on the support, the fixed guide bar that is provided with of lower extreme of axis of rotation, and the guide bar setting is in the top of air inlet, the movable sleeve is equipped with No. two baffles on the guide bar, No. two baffle activity covers and sets up on the air inlet, the fixed dog that is provided with of expansion end of guide bar, the cover is equipped with the spring on the guide bar, the one end of spring is supported and is established on the dog, the other end of spring is supported and is established on No. two baffles.

Furthermore, a sealing plate is hinged to the outlet end of the air guide passage and movably covers the opening of the air guide passage.

After the structure is adopted, the utility model discloses beneficial effect does: a centrifugal roof fan of energy-conserving high-efficient glass steel, it is provided with the air guide way on the air outlet, the air guide way is buckled downwards and is set up for the export level of air guide way sets up downwards, can prevent that outside rainwater from getting into inside the shell, the utility model has the advantages of simple structure sets up rationally, the cost of manufacture is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a sectional view a-a in fig. 1.

Fig. 5 is a sectional view B-B in fig. 1.

Description of reference numerals:

the air inlet device comprises a shell 1, an air inlet 2, an air outlet 3, a support 4, a rotating shaft 5, fan blades 6, a motor 7, an air guide channel 8, a dovetail groove 9, a sliding block 10, a backing plate 11, a connecting rod 12, a first baffle 13, a guide rod 14, a second baffle 15, a stop block 16, a spring 17 and a sealing plate 18.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-5, the present embodiment includes a housing 1, a support 4, a rotating shaft 5, fan blades 6, a motor 7, and an air guide duct 8, wherein the housing 1 is fixed on an external roof by riveting, an air inlet 2 is formed on a lower side wall of the housing 1, an air outlet 3 is formed on an upper side edge of a side wall of the housing 1, the air outlet 3 is disposed above the external roof, the support 4 is welded in the housing 1, the support 4 is erected above the air inlet 2, the rotating shaft 5 is rotatably supported on the support 4, the fan blades 6 are fixedly sleeved on the rotating shaft 5 by riveting, the fan blades 6 are horizontally disposed, the fan blades 6 are disposed below the air outlet 3, the motor 7 is riveted on the support 4, and an output shaft of the motor 7 is fixedly connected with the rotating shaft 5; an air guide channel 8 is fixedly inserted into the air outlet 3, and the outlet end of the air guide channel 8 is bent downwards by 90 degrees.

Further, the lateral wall of shell 1 on be fixed and be provided with dovetail 9, and dovetail 9 sets up between the exit end of leading air flue 8 and outside roof, slide through slider 10 in dovetail 9 and be provided with backing plate 11, slider 10 and backing plate 11 integrated into one piece, backing plate 11 sets up in the exit end below of leading air flue 8, backing plate 11 keeps off the oral area at leading air flue 8, can prevent wherein that the wind that blows off from directly blowing on the roofing, can effectively protect roofing structure.

Furthermore, the lower side wall of the shell 1 is welded with a connecting rod 12, the lower end of the connecting rod 12 is welded with a baffle 13, the baffle 13 is arranged below the air inlet 2, the baffle 13 blocks the air inlet 2 on the shell 1, and dust in the shell 1 can be effectively prevented from falling down.

Further, the lower extreme of axis of rotation 5 wear to establish on support 4, the lower extreme of axis of rotation 5 welds and is equipped with guide bar 14, and guide bar 14 sets up the top at air inlet 2, the movable sleeve is equipped with No. two baffles 15 on guide bar 14, No. two baffles 15 movable cover sets up on air inlet 2, the expansion end of guide bar 14 welds and is equipped with dog 16, the cover is equipped with spring 17 on the guide bar 14, the one end of spring 17 is supported and is established on dog 16, the other end of spring 17 supports and establishes on No. two baffles 15, when axis of rotation 5 rotates, No. two baffles 15 outwards move because of centrifugal force, and then move from air inlet 2, thereby open air inlet 2, when the fan stop work, spring 17 withstands No. two baffles 15, make it cover on air inlet 2, can make air inlet 2 seal.

Furthermore, the hinge at the outlet end of the air guide passage 8 is provided with a sealing plate 18, the sealing plate 18 is movably arranged at the mouth of the air guide passage 8 in a covering manner, and when external air flow is blown in through the air guide passage 8, the sealing plate 18 is changed to the mouth of the air guide passage 8 by blowing air, so that the external air flow can be blocked from being blown into a room from the air guide passage 8.

The working principle of the specific embodiment is as follows: motor 7 drives flabellum 6 and rotates, with indoor air from 2 suction of air inlet to discharge to outdoor through gas outlet 3 via leading air flue 8, at the in-process of airing exhaust, the mouth part of leading air flue 8 is buckled down and is formed the elbow, can prevent inside outside rubbish etc. get into shell 1 through leading air flue 8, can effectively protect the normal operating of 1 inside motor 7 of shell, flabellum 6.

After adopting above-mentioned structure, this embodiment beneficial effect does: it is provided with the air guide way on the air outlet, and the air guide way is buckled the setting downwards for the export level of air guide way sets up downwards, can prevent inside outside rainwater entering shell.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an energy-conserving high-efficient glass steel centrifugal roof fan which characterized in that: it comprises a shell (1), a bracket (4), a rotating shaft (5), fan blades (6), a motor (7) and an air guide channel (8), wherein the shell (1) is fixed on an external roof in a penetrating way, the lower side wall of the shell (1) is provided with an air inlet (2), the upper side edge of the side wall of the shell (1) is provided with an air outlet (3), the air outlet (3) is arranged above the external roof, a bracket (4) is fixedly arranged in the shell (1), the bracket (4) is erected above the air inlet (2), the rotating shaft (5) is arranged on the bracket (4) in a bearing rotating mode, the rotating shaft (5) is sleeved and fixed with fan blades (6), the fan blades (6) are arranged horizontally, the fan blades (6) are arranged below the air outlet (3), the bracket (4) is fixedly provided with a motor (7), and an output shaft of the motor (7) is fixedly connected with the rotating shaft (5); an air guide passage (8) is fixedly inserted into the air outlet (3), and the outlet end of the air guide passage (8) is bent downwards by 90 degrees.

2. The energy-saving high-efficiency glass fiber reinforced plastic centrifugal roof fan as claimed in claim 1, wherein: the side wall of the shell (1) is fixedly provided with a dovetail groove (9), the dovetail groove (9) is arranged between the outlet end of the air guide channel (8) and an external roof, a base plate (11) is arranged in the dovetail groove (9) in a sliding mode through a sliding block (10), the sliding block (10) is fixedly arranged on the base plate (11), and the base plate (11) is arranged below the outlet end of the air guide channel (8).

3. The energy-saving high-efficiency glass fiber reinforced plastic centrifugal roof fan as claimed in claim 1, wherein: the lower side wall of the shell (1) is fixedly provided with a connecting rod (12), the lower end of the connecting rod (12) is fixedly provided with a first baffle (13), and the first baffle (13) is arranged below the air inlet (2).

4. The energy-saving high-efficiency glass fiber reinforced plastic centrifugal roof fan as claimed in claim 1, wherein: the lower extreme of axis of rotation (5) wear to establish on support (4), the fixed guide bar (14) that is provided with of lower extreme of axis of rotation (5), and guide bar (14) set up the top at air inlet (2), the movable sleeve is equipped with No. two baffle (15) on guide bar (14), No. two baffle (15) activity covers the setting on air inlet (2), the fixed dog (16) that is provided with of movable end of guide bar (14), the cover is equipped with spring (17) on guide bar (14), the one end of spring (17) is supported and is established on dog (16), the other end of spring (17) is supported and is established on No. two baffle (15).

5. The energy-saving high-efficiency glass fiber reinforced plastic centrifugal roof fan as claimed in claim 1, wherein: the outlet end of the air guide passage (8) is hinged with a sealing plate (18), and the sealing plate (18) movably covers the opening of the air guide passage (8).