CN217814090U

CN217814090U - Rainproof type roof fan

Info

Publication number: CN217814090U
Application number: CN202221646652.9U
Authority: CN
Inventors: 李宗玉; 陈权威; 马腾
Original assignee: Qingdao Beisi Machinery Co ltd
Current assignee: Qingdao Beisi Machinery Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-15
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to the technical field of roof fans, and discloses a rainproof type roof fan, which comprises a roof fan body and an air outlet, wherein a lower rainproof cover is fixedly arranged on the upper side of the surface of the roof fan body, a leak is formed on the surface of the lower rainproof cover, an upper rainproof cover is arranged on the upper side of the air outlet, a top plate is fixedly arranged on the top of the upper rainproof cover, a frame is fixedly arranged on the lower side of the upper rainproof cover, the frame and the lower rainproof cover are mutually attached, a case is bolted on the surface of the roof fan body, and a through hole is formed in the upper surface of the case in a penetrating manner; the utility model discloses an go up rain-proof cover and the cooperation between the rain-proof cover down, when can reaching raining, prevent that the rainwater from getting into the effect of air outlet to through the design of last rain-proof cover with rain-proof cover shape down, can make in the rainproof while, there is outstanding performance of ventilating, and can be when fine day, through raising the space of giving vent to anger that rain-proof cover increased the air outlet, increase the air mobility.

Description

Rainproof roof fan

Technical Field

The utility model relates to a roof fan technical field specifically is a rainproof type roof fan.

Background

The roof fan is a device which is arranged on the roof and drives a fan to exhaust air and ventilate air indoors through a built-in motor, and is commonly used for roofs of buildings such as factory buildings, office buildings, hotels, auditoriums, movie theaters or farms, and the like because the roof fan is usually used in the open environment and is seriously eroded by severe weather such as fierce wind, rainstorm and the like, and a metal structure of the roof fan is easily corroded, so that the service life of the roof fan is shortened.

Some roof fans are the cylinder, and the air outlet is located roof fan's top, and this just can have the inside that the rainwater got into the fan along the air outlet, cause the corruption to inner structure, and partial rainwater also can get into the inside of building along roof fan, cause the phenomenon that the building leaks rain, present partial roof fan uses dash board to prevent that the air outlet from getting into the rainwater, and this kind dash board generally is straight board, and need be close to the air outlet and just can have rain-proof effect, this kind of rain-proof effect of straight board is poor, and when fine, because dash board's existence, the circulation of air performance of air outlet is also general.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rainproof type roof fan has solved the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rainproof type roof fan, includes roof fan body and air outlet, the fixed rain-proof cover that is provided with down of upside on roof fan body surface, the leak has been seted up on the surface of rain-proof cover down, the upside of air outlet is provided with rain-proof cover, the fixed top dish that is provided with in top of going up rain-proof cover, the fixed frame that is provided with of downside of going up rain-proof cover, the frame laminates with rain-proof cover down each other, roof fan body's surface bolt has quick-witted case, the upper surface of machine case runs through and is provided with the through hole, the downside of machine case runs through and is provided with the delivery port, the fixed non-woven fabrics that is provided with in inner wall that runs through the hole, machine roof portion fixed mounting has the telescopic link, the top and the top dish fixed connection of telescopic link, machine incasement chamber's one side bolt has the motor, the fixed screw rod that is provided with of output shaft of motor, the screw rod runs through in the top of machine case from the through hole, the bottom cover of screw rod is equipped with the bearing frame, the surface threaded connection of screw rod has the thread swivel nut, the opposite end fixed downside that sets up at the top dish.

Preferably, the horizontal height of the upper opening of the lower rain cover is larger than the horizontal height of the lower opening of the upper rain cover, and the diameter of the upper opening of the lower rain cover is larger than the diameter of the lower opening of the upper rain cover.

Preferably, the shape of the leak is circular, and the highest point of the leak is lower than the opening of the air outlet.

Preferably, a waterproof cover is fixedly arranged on the outer side of the motor and fixedly connected with the inside of the case.

Preferably, a pillar is fixedly arranged on one side, close to the roof fan body, of the bearing seat, and the pillar is fixedly connected with the roof fan body.

Preferably, the both sides of rain-proof cover are the fixedly connected with retainer plate down, screw thread swivel nut and telescopic link respectively with the inside sliding connection of retainer plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses an go up rain-proof cover and the cooperation between the rain-proof cover down, when can reach raining, prevent that the rainwater from getting into the effect of air outlet to through the design of last rain-proof cover with rain-proof cover shape down, can make when rain-proof, there is outstanding performance of ventilating, and can be when fine day, through raising the space of giving vent to anger that rain-proof cover increased the air outlet, increase air mobility, it is poor to have solved the rain-proof effect of present current roof fan flashing board, and the flashing board hinders the problem that the air flows when fine day.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the middle cabinet and the top plate of the present invention after being cut open;

fig. 4 is a schematic view of the separated three-dimensional structure of the upper waterproof cover and the lower waterproof cover of the utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 3B;

fig. 6 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 7 is a schematic perspective view of the frame of the present invention.

In the figure: 1. a roof fan body; 2. a chassis; 3. a screw; 4. a stationary ring; 5. a top tray; 6. an upper rain cover; 7. a lower rain cover; 8. a vulnerability; 9. a threaded insert; 10. an air outlet; 11. a frame; 12. A water outlet; 13. a waterproof cover; 14. a motor; 15. a bearing seat; 16. a support post; 17. penetrating the hole; 18. Non-woven fabrics; 19. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, a rain-proof roof fan comprises a roof fan body 1 and an air outlet 10, wherein a lower rain-proof cover 7 is fixedly arranged on the upper side of the surface of the roof fan body 1, a leak 8 is formed on the surface of the lower rain-proof cover 7, an upper rain-proof cover 6 is arranged on the upper side of the air outlet 10, a top plate 5 is fixedly arranged on the top of the upper rain-proof cover 6, a frame 11 is fixedly arranged on the lower side of the upper rain-proof cover 6, the frame 11 and the lower rain-proof cover 7 are attached to each other, a certain gap is formed between the upper rain-proof cover 6 and the air outlet 10 by the design, a case 2 is bolted on the surface of the roof fan body 1, a through hole 17 is penetratively arranged on the upper surface of the case 2, an water outlet 12 is penetratively arranged on the lower side of the case 2, a non-woven fabric 18 is fixedly arranged on the inner wall of the through hole 17, a telescopic rod 19 is fixedly arranged on the top of the case 2, and the top of the telescopic rod 19 is fixedly connected with the top plate 5, one side of the inner cavity of the case 2 is bolted with a motor 14, an output shaft of the motor 14 is fixedly provided with a screw 3, the screw 3 penetrates through the top of the case 2 from a penetration hole 17, the bottom end of the screw 3 is sleeved with a bearing seat 15, the surface of the screw 3 is in threaded connection with a threaded barrel 9, the other end of the threaded barrel 9 is fixedly arranged at the lower side of the top disc 5, the roof fan can achieve the effect of preventing rainwater from entering the air outlet 10 in rainy days through the matching between the upper rain cover 6 and the lower rain cover 7, and through the shape design of the upper rain cover 6 and the lower rain cover 7, the roof fan can have excellent ventilation performance in rainproof, can increase the air outlet space of the air outlet 10 by lifting the upper rain cover 6 in sunny days, increase the air flowability, and solves the problem of poor rainproof effect of the existing roof fan rain-proof plate, and the rain-proof board obstructs the problem of air flow when fine.

Rain-proof cover 7 upper shed's level is greater than the lower shed's of last rain-proof cover 6 level down, and rain-proof cover 7 upper shed's diameter is greater than the diameter of last rain-proof cover 6 lower shed down, in this embodiment, through the setting to the opening height and the opening diameter of rain-proof cover 7 and last rain-proof cover 6 down, can be when raining, make the raindrop can not pass down the space that forms between rain-proof cover 7 and the last rain-proof cover 6, and make the air flow of air outlet 10 department through the space, also can not influence the use of air outlet 10 in the rain-proof.

The shape of leak 8 is circular, and the peak of leak 8 is less than the opening of air outlet 10, and in this embodiment, through the setting of the peak of leak 8 position, can guarantee to have ponding between rain-proof cover 7 and roof fan body 1 down when, ponding can directly discharge out through leak 8 to the peak of leak 8 is less than air outlet 10, can prevent that the rainwater from directly getting into air outlet 10 from leak 8.

The fixed buckler 13 that is provided with in the outside of motor 14, the inside fixed connection of buckler 13 and quick-witted case 2, in this embodiment, through the setting of buckler 13, when the rainwater used to run through hole 17 and get into quick-witted case 2, can avoid contacting the rainwater between the motor 14, and lead to motor 14 to be corroded by the rainwater, and cause motor 14's life to descend.

The side of the bearing seat 15 close to the roof fan body 1 is fixedly provided with a pillar 16, and the pillar 16 is fixedly connected with the roof fan body 1, in the embodiment, through the arrangement of the pillar 16, the pillar 16 can give a horizontal supporting force to the bearing seat 15 and the screw rod 3, resist the centrifugal force generated when the screw rod 3 rotates, and prevent the meshing distortion between the screw rod 3 and the thread screw sleeve 9.

The equal fixedly connected with retainer plate 4 in both sides of rain-proof cover 7 down, screw thread swivel nut 9 and telescopic link 19 respectively with the inside sliding connection of retainer plate 4, and it is to be noted that, the flexible position sliding connection of retainer plate 4 and telescopic link 19, and telescopic link 19's flexible length satisfies the normal lift use of top dish 5, in this embodiment, through the setting of retainer plate 4, retainer plate 4 can give the injecing of 9 positions of screw thread swivel nut to stability when increasing its rotation.

The working principle is as follows: when raining, through the work of motor 14, the output shaft of motor 14 drives screw rod 3 rotatory, and take place relative rotation between screw thread swivel nut 9 and the screw rod 3, at this moment, under the drive of screw thread swivel nut 9, top dish 5 downstream, and push back telescopic link 19, and lie in the last rain-proof cover 6 of top dish 5 and fall into down rain-proof cover 7, then under the spacing of frame 11, it stops downstream to go up rain-proof cover 6, just close motor 14, at this moment under the cooperation of last rain-proof cover 6 and lower rain-proof cover 7, realize the rain-proof function to roof fan body 1, and go up rain-proof cover 6 and down rain-proof cover 7 and can have certain hole, can not obstruct the exhaust effect of roof fan body 1, then in sunny day, the top dish 5 upward movement is promoted through motor 14 to the same principle, and drive upper rain-proof cover 6 upward movement, make roof fan body 1 exhaust more smooth.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rainproof type roof fan, includes roof fan body (1) and air outlet (10), its characterized in that: a lower rain cover (7) is fixedly arranged on the upper side of the surface of the roof fan body (1), a leak hole (8) is arranged on the surface of the lower rain cover (7), an upper rain cover (6) is arranged on the upper side of the air outlet (10), a top disc (5) is fixedly arranged at the top of the upper rain cover (6), a frame (11) is fixedly arranged at the lower side of the upper rain cover (6), the surface of the roof fan body (1) is bolted with a case (2), the upper surface of the case (2) is provided with a through hole (17) in a penetrating way, a water outlet (12) is arranged at the lower side of the case (2) in a penetrating way, the inner wall of the through hole (17) is fixedly provided with non-woven fabrics (18), the top of the case (2) is fixedly provided with a telescopic rod (19), the top of the telescopic rod (19) is fixedly connected with the top disc (5), one side of the inner cavity of the case (2) is bolted with a motor (14), the output shaft of the motor (14) is fixedly provided with a screw rod (3), the screw (3) penetrates through the top of the case (2) from the through hole (17), a bearing seat (15) is sleeved at the bottom end of the screw rod (3), a thread screw sleeve (9) is connected to the surface of the screw rod (3) in a threaded manner, the other end of the threaded screw sleeve (9) is fixedly arranged on the lower side of the top disc (5).

2. The rain-proof roof fan of claim 1, wherein: the horizontal height of the upper opening of the lower rain cover (7) is larger than the horizontal height of the lower opening of the upper rain cover (6), and the diameter of the upper opening of the lower rain cover (7) is larger than the diameter of the lower opening of the upper rain cover (6).

3. The rain-proof roof fan of claim 1, wherein: the shape of the leak hole (8) is circular, and the highest point of the leak hole (8) is lower than the opening of the air outlet (10).

4. The rainproof roof fan of claim 1, wherein: the outer side of the motor (14) is fixedly provided with a waterproof cover (13), and the waterproof cover (13) is fixedly connected with the inside of the case (2).

5. The rain-proof roof fan of claim 1, wherein: and a pillar (16) is fixedly arranged on one side, close to the roof fan body (1), of the bearing seat (15), and the pillar (16) is fixedly connected with the roof fan body (1).

6. The rainproof roof fan of claim 1, wherein: the both sides of rain-proof cover (7) are all fixedly connected with retainer plate (4) down, screw thread swivel nut (9) and telescopic link (19) respectively with the inside sliding connection of retainer plate (4).