CN112196831A

CN112196831A - Fire control smoke exhaust fan that multi-angle was adjusted and independent control

Info

Publication number: CN112196831A
Application number: CN202011071910.0A
Authority: CN
Inventors: 刘俊
Original assignee: Hangzhou Mitu Smart Home Technology Co ltd
Current assignee: Hangzhou Mitu Smart Home Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-01-08

Abstract

The invention relates to the technical field of smoke exhaust fans, and discloses a fire-fighting smoke exhaust fan which is adjusted at multiple angles and is controlled independently. This multi-angle is adjusted and independent control's fire control smoke exhaust fan, through setting up the air-out device, the second dryer has been realized, output through servo motor separately drives between third dryer and the fourth dryer, make the second dryer, mutually support between third dryer and the fourth dryer and use, six air-out devices of group can both be solitary blow at a plurality of angles and direction, compare the single air-out of traditional chinese art organism, the work efficiency of organism is improved, the efficiency of fire control smoke exhaust has been improved simultaneously, need not to carry out the regulation of height or angle to the output of organism, the intensity of manual labor is reduced.

Description

Fire control smoke exhaust fan that multi-angle was adjusted and independent control

Technical Field

The invention relates to the technical field of smoke exhaust fans, in particular to a fire-fighting smoke exhaust fan which is adjusted in multiple angles and is controlled independently.

Background

The fire-fighting smoke exhaust fan is used for fire-fighting smoke exhaust as the name implies, and wind power is blown out by rotating the fan to exhaust air, so that the smoke exhaust effect is achieved. But prior art fire prevention fan's wind-force output end general design is comparatively single, and single mouthful of air-out that only can be single can not realize the effect of multi-angle, multi-direction and independent control air-out size, when only having a fire prevention fan under the environment of using, prior art's use defect then exposes nothing to lose, can't realize discharging fume to a plurality of angles and orientation air-out simultaneously, consequently there is certain defect and drawback in current technique in actual use. Therefore, in order to solve the above problems, it is urgently needed to provide a fire-fighting smoke exhaust fan which is adjusted at multiple angles and is controlled independently.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the fire-fighting smoke exhaust fan which is adjusted in multiple angles and is controlled independently.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a fire-fighting smoke exhaust fan with multi-angle adjustment and independent control comprises a machine body, six groups of air outlet devices distributed in an annular array are arranged on the right output end face of the machine body, each air outlet device comprises a first air duct, a second air duct, a third air duct and a fourth air duct, the six groups of first air ducts are fixedly arranged on the right output end face of the first air duct in an annular array manner, the second air duct and the fourth air duct are hollow cylinders with inclined surfaces on one sides, the third air duct is a hollow cylinder with inclined surfaces on two sides, the inclined surfaces on two sides of the third air duct are in a symmetrical state, the inner wall of the left end of the second air duct is movably arranged on the inner wall of the right side of the first air duct through a bearing, the inner walls of the inclined surface ends on two sides of the third air duct are respectively and movably arranged between the inner wall of the inclined surface end of the second air duct and the inner wall of the inclined surface end of the fourth air duct through bearings, a first fluted disc is fixedly arranged on the outer wall of the left, and the second fluted disc is in the state of being parallel with third dryer left end inclined plane, fourth dryer left end outer wall fixed mounting has the third fluted disc, and the third fluted disc is in the state of being parallel with fourth dryer left end inclined plane, all fixed mounting has servo motor on first dryer, second dryer and the third dryer, all fixed mounting has the gear on three servo motor's the output, and three gear respectively with correspond the first fluted disc on right side, second fluted disc and third fluted disc be in the state of meshing.

Preferably, six groups the right side output of fourth dryer all is provided with exhaust device, and exhaust device includes air inlet ring, fan housing, air outlet ring and threaded rod, and air inlet ring fixed mounting is on the right side output of fourth dryer, and the inside and outside wall diameter of air inlet ring is 1.5 times of the inside and outside wall diameter of air outlet ring, and the fan housing is the round platform shape, and fan housing fixed mounting is between air inlet ring and air outlet ring, and the equal fixed mounting in threaded rod both ends has the dwang that is the annular array and distributes, and the equal fixed mounting in top of dwang has rolling ball A.

Preferably, the air inlet ring inner wall and the air outlet ring inner wall are all provided with a rotating groove clamped with a rotating ball A, the rotating groove is annular, the threaded rod outer wall is in threaded connection with a threaded sleeve, eight groups of fan plates distributed in an annular array are arranged on the threaded sleeve outer wall, and the fan plates are fan-shaped.

Preferably, the top ends of the fan plates are inclined planes in an inclined state, and the inclined planes at the top ends of the fan plates are parallel to the inner wall of the fan cover.

Preferably, the outer wall of the threaded sleeve between every two adjacent fan plates is fixedly provided with a limiting plate, and the limiting plate is fan-shaped.

Preferably, eight groups the top of fan board all is provided with slide mechanism, slide mechanism includes telescopic link and stopper, telescopic link top fixed mounting has rolling ball B, telescopic link bottom fixed mounting has rolling ball C, the ball groove of the mutual block of rolling ball B is seted up at fan housing inner wall middle part, rolling ball B top block is in the ball groove of fan housing inner wall, rolling ball C block is on the stopper, the cell body with the mutual block of rolling ball C is seted up on the stopper top, rolling ball C bottom block just can rotate in the cell body at stopper top, the lift storehouse has been seted up on fan board top, the stopper block is in the lift storehouse, lift storehouse intracavity bottom fixed mounting has the extrusion spring, and the extrusion spring is in the below of stopper.

Preferably, all seted up logical groove in lift storehouse exit.

Preferably, eight groups the wall all is provided with guiding mechanism around the fan board, and guiding mechanism includes guide block, reset spring, plate washer, guide bar, direction ball and flexible storehouse, and guide block fixed mounting is on the wall of fan board fore-and-aft direction, and the guide block is close to a lateral wall of limiting plate and has seted up flexible storehouse, and the plate washer block is in flexible storehouse, and guide bar fixed mounting is on a lateral wall of plate washer near the limiting plate, and direction ball fixed mounting is on a lateral surface that the guide bar is close to the limiting plate, and reset spring fixed mounting is in flexible storehouse intracavity.

Preferably, a limiting groove clamped with the guide ball is formed in one side wall face, close to the two side fan plates, of the limiting plate.

Preferably, the limiting grooves on the two sides of the limiting plate are arranged in a front-back staggered state, and the guide balls on the two sides of one fan plate are respectively clamped in the two limiting grooves in different states.

(III) advantageous effects

Compared with the prior art, the invention provides the fire-fighting smoke exhaust fan which is adjusted in multiple angles and is independently controlled, and the fire-fighting smoke exhaust fan has the following beneficial effects:

1. this multi-angle is adjusted and independent control's fire control smoke exhaust fan, through setting up the air-out device, the second dryer has been realized, output through servo motor separately drives between third dryer and the fourth dryer, make the second dryer, mutually support between third dryer and the fourth dryer and use, six air-out devices of group can both be solitary blow at a plurality of angles and direction, compare the single air-out of traditional chinese art organism, the work efficiency of organism is improved, the efficiency of fire control smoke exhaust has been improved simultaneously, need not to carry out the regulation of height or angle to the output of organism, the intensity of manual labor is reduced.

2. This fire control smoke exhaust fan that multi-angle was adjusted and independent control is the air-out device that the annular array distributes through setting up six groups, and six air-out devices of group realize dispersing the wind-force of organism output, and six air-out device outputs of organizing of rethread to six air-out devices of group can be the solitary direction that changes the air-out and the height of air-out, improved the efficiency that the fire control was discharged fume, can disperse wind-force under special demand, and just distributed is discharged fume alone, have stronger practicality and creativity.

3. This multi-angle is adjusted and independent control's fire control smoke exhaust fan, through setting up exhaust device, slide mechanism and guiding mechanism, the realization can carry out solitary control air-out size again to six air-out devices of group, inclination through eight groups of fan boards of control, make can control the size of discharging the air from the air-out device, thereby realize the condition of airing exhaust that can six air-out devices of independent control, the person of facilitating the use's solitary regulation and rotation, compared the conventional art, the problem of single exhaust and unable careful partition emission and accuse wind has been solved, the efficiency of fire control smoke exhaust is improved, stronger practicality and creativity have.

4. According to the fire-fighting smoke exhaust fan capable of being adjusted in multiple angles and controlled independently, due to the arrangement of the exhaust device, a user can rotate the rotating rod manually when carrying out fire-fighting smoke exhaust, so that the situation that air outlet and smoke exhaust of the air outlet device are controlled is achieved, the user can conveniently adjust the air outlet device manually, the six groups of exhaust devices can independently and independently control the air outlet device, the fire-fighting smoke exhaust efficiency of the user is further improved, and meanwhile the practicability of the fire-fighting smoke exhaust fan is improved.

5. This fire control smoke exhaust fan that multi-angle was adjusted and independent control is the round platform shape through setting up the fan housing, has realized that six groups of fan housings homoenergetic can gather the effect of wind to the air-out device at place separately, assembles organism exhaust wind-force to discharge from the less air-out ring tip of inside and outside wall diameter, the fan housing has realized assembling to organism wind-force, improves the efficiency that the fire control was discharged fume.

6. This fire control smoke exhaust fan that multi-angle was adjusted and independent control, through the dwang that is the distribution of annular array at rolling ball A both ends outer wall setting, the dwang is located air inlet ring and fan housing, the dwang that is the distribution of annular array has realized protection and protective action to the organism, the protection organism is under the condition of use, the foreign matter can not enter into the organism and cause the damage of flabellum, the protection organism is under the condition of use, the partial careless flabellum that contacts the organism of people's health, consequently, not only realized the protection to the organism, but also realize the protective action to user's personal safety, stronger practicality and creativity have.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the invention at B of FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at C;

FIG. 5 is a side view of the present invention;

FIG. 6 is an enlarged view taken at D of FIG. 5 in accordance with the present invention;

FIG. 7 is an enlarged view of the invention at E of FIG. 6;

FIG. 8 is an enlarged view of the invention at F of FIG. 6;

FIG. 9 is a side view of the present invention;

FIG. 10 is a side view of the present invention;

fig. 11 is a schematic diagram of two side walls of the limiting plate of the invention.

In the figure: 1. a body; 2. an air outlet device; 21. a first air duct; 22. a second air duct; 23. a third air duct; 24. a fourth air duct; 25. a gear; 26. a servo motor; 27. a first fluted disc; 28. a second fluted disc; 29. a third fluted disc; 3. an air exhaust device; 31. an air inlet ring; 32. a fan housing; 33. an air outlet ring; 34. a threaded rod; 35. rotating the ball A; 36. rotating the rod; 37. a threaded sleeve; 38. a limiting plate; 39. a fan plate; 4. a rotating groove; 41. a limiting groove; 5. a sliding mechanism; 51. a telescopic rod; 52. a rotating ball B; 53. rotating the ball C; 54. a limiting block; 55. a lifting bin; 57. a compression spring; 58. a through groove; 6. a guide mechanism; 61. a guide block; 62. a return spring; 63. a baffle plate; 64. a guide bar; 65. a guide ball; 66. a telescopic bin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 11, the present invention provides a technical solution: a multi-angle adjustable and individually controlled fire-fighting smoke exhaust fan comprises a machine body 1, wherein the machine body 1 is a fire-fighting smoke exhaust fan body, the machine body 1 is the prior art, details are not described, six groups of air outlet devices 2 distributed in an annular array are arranged on the right output end surface of the machine body 1, each air outlet device 2 comprises a first air duct 21, a second air duct 22, a third air duct 23 and a fourth air duct 24, the six groups of first air ducts 21 are fixedly arranged on the right output end surface of the first air duct 21 in an annular array mode, the second air duct 22 and the fourth air duct 24 are hollow cylinders with inclined surfaces on one sides, the third air duct 23 is a hollow cylinder with inclined surfaces on two sides, the inclined surfaces on two sides of the third air duct 23 are in a symmetrical state, the inner wall of the left end of the second air duct 22 is movably arranged on the inner wall of the right side of the inclined surface of the first air duct 21 through a bearing, the inner walls of the inclined surface ends on two sides of the third air duct 23 are respectively and movably arranged between the inner wall of the end of, the specific installation position relationship of the first air duct 21, the second air duct 22, the third air duct 23 and the fourth air duct 24 is shown in fig. 1, the inner wall of the left end of the second air duct 22 is movably installed in the inner wall of the right side of the first air duct 21 through a bearing and is also sleeved with a sealing ring, the inner walls of the inclined plane ends of the two sides of the third air duct 23 are respectively movably installed in the inner walls of the inclined plane ends of the second air duct 22 and the inner walls of the inclined plane ends of the fourth air duct 24 through bearings and are also sleeved with a sealing ring, the outer wall of the left end of the second air duct 22 is fixedly installed with a first fluted disc 27, the outer wall of the inclined plane end of the left end of the third air duct 23 is fixedly installed with a second fluted disc 28, the inclined planes of the left ends of the second fluted disc 28 and the third air duct 23 are in a parallel state, the outer wall of the left end of the fourth air duct 24 is fixedly installed with a third fluted disc 29, the inclined planes of the third fluted disc 29 and the left ends of the fourth air, the first air duct 21, the second air duct 22 and the third air duct 23 are all fixedly provided with servo motors 26, the output ends of the three servo motors 26 are all fixedly provided with gears 25, the three gears 25 are respectively in a meshed state with a first fluted disc 27, a second fluted disc 28 and a third fluted disc 29 which correspond to the right side, the right output ends of the six groups of fourth air ducts 24 are all provided with air exhaust devices 3, each air exhaust device 3 comprises an air inlet ring 31, a fan cover 32, an air outlet ring 33 and a threaded rod 34, the air inlet ring 31 is fixedly arranged on the right output end of the fourth air duct 24, the diameter of the inner wall and the outer wall of the air inlet ring 31 is 1.5 times that of the diameter of the inner wall and the outer wall of the air outlet ring 33, the fan cover 32 is in a circular truncated cone shape, the fan cover 32 is fixedly arranged between the air inlet ring 31 and the air outlet ring 33, two ends of the threaded rod 34 are both fixedly provided with rotating rods 36 which are distributed, the inner wall of the air inlet ring 31 and the inner wall of the air outlet ring 33 are both provided with a rotating groove 4 which is mutually clamped with a rotating ball A35, the rotating groove 4 is annular, the outer wall of the threaded rod 34 is in threaded connection with a threaded sleeve 37, the outer wall of the threaded sleeve 37 is provided with eight groups of fan plates 39 which are distributed in an annular array, the fan plates 39 are fan-shaped, the top ends of the fan plates 39 are inclined planes in an inclined state, the inclined planes at the top ends of the fan plates 39 are parallel to the inner wall of the air hood 32, the outer wall of the threaded sleeve 37 between every two adjacent fan plates 39 is fixedly provided with a limiting plate 38, the limiting plate 38 is fan-shaped, the top ends of the eight groups of fan plates 39 are respectively provided with a sliding mechanism 5, each sliding mechanism 5 comprises an expansion link 51 and a limiting block 54, the top end of the expansion link 51 is fixedly provided with a rotating ball B52, the bottom end of the expansion link 51 is fixedly provided with a rotating ball C39, the rotating ball C53 is clamped on the limiting block 54, the top end of the limiting block 54 is provided with a groove body which is clamped with the rotating ball C53, the bottom end of the rotating ball C53 is clamped in the groove body at the top of the limiting block 54 and can rotate, the top end of the fan plate 39 is provided with a lifting bin 55, the limiting block 54 is clamped in the lifting bin 55, the bottom in the cavity of the lifting bin 55 is fixedly provided with an extrusion spring 57, the extrusion spring 57 is positioned below the limiting block 54, the outlet of the lifting bin 55 is provided with a through groove 58, the telescopic rod 51 can swing in the through groove 58 through the rotating ball B52 and the rotating ball C53, the front wall surface and the rear wall surface of the eight groups of fan plates 39 are respectively provided with a guide mechanism 6, each guide mechanism 6 comprises a guide block 61, a return spring 62, a baffle 63, a guide rod 64, a guide ball 65 and a telescopic bin 66, the guide block 61 is fixedly arranged, the baffle 63 is clamped in the telescopic bin 66, the guide rod 64 is fixedly installed on one side wall surface of the baffle 63 close to the limiting plate 38, the guide balls 65 are fixedly installed on one side end surface of the guide rod 64 close to the limiting plate 38, the return spring 62 is fixedly installed in the telescopic bin 66, one side wall surface of the limiting plate 38 close to the fan plates 39 on two sides is provided with the guide balls 65 which are clamped in the limiting grooves 41, the limiting grooves 41 on two sides of one limiting plate 38 are arranged in a front-back staggered state, the guide balls 65 on two sides of one fan plate 39 are respectively clamped in the limiting grooves 41 in two different states, and the specific states of the two limiting grooves 41 are shown in fig. 11.

When the air conditioner is used, when the air conditioner body 1 works, the air outlet devices 2 are arranged, six groups of air outlet devices 2 are distributed in an annular array, when the air conditioner body 1 works, air is exhausted through the output end on the right side of the air conditioner body 1, air is exhausted through the six groups of air outlet devices 2, air is exhausted through the six groups of fourth air ducts 24, when the air outlet direction of the air conditioner body 1 needs to be adjusted, a working switch of a servo motor 26 on a first air duct 21 is started, the output end of the servo motor 26 drives a gear 25 to rotate, the gear 25 is meshed with a first fluted disc 27, the first fluted disc 27 drives a second air duct 22 to rotate, the second air duct 22 drives a third air duct 23 to rotate to change the position and the direction, when the working switch of the servo motor 26 on the second air duct 22 is started, the servo motor 26 drives the gear 25 to rotate, the gear 25 is meshed with the second fluted disc 28, the second fluted disc 28 drives the third air duct 23 to rotate, and the third air duct 23 rotates to, when a working switch of a servo motor 26 on the third air duct 23 is started, the servo motor 26 drives a gear 25 to rotate, the gear 25 is meshed with a third fluted disc 29, the third fluted disc 29 drives a fourth air duct 24 to rotate, and the fourth air duct 24 rotates to change the air outlet position and direction of the air exhaust device 3, so that the air outlet devices 2 are arranged, the second air duct 22, the third air duct 23 and the fourth air duct 24 are driven by the output of the respective servo motor 26, the second air duct 22, the third air duct 23 and the fourth air duct 24 are matched with each other for use, six groups of air outlet devices 2 can independently blow air at multiple angles and directions, compared with the prior art that the machine body 1 singly exhausts air, the working efficiency of the machine body 1 is improved, the fire-fighting smoke exhaust efficiency is improved, the height or angle adjustment of the output end of the machine body 1 is not needed, and the labor intensity is reduced, through setting up six air-out devices 2 that are the annular array and distribute, six air-out devices 2 realize dispersing the wind-force of organism 1 output, and six air-out device 2 outputs of rethread to six air-out devices 2 can be solitary change the direction of air-out and the height of air-out, have improved the efficiency that the fire control was discharged fume, can disperse wind-force under special demand, and just distributed discharges fume alone, have stronger practicality and creativity.

Wind is output into the cavity of the wind shield 32 through the fourth wind duct 24, and then is exhausted through the air outlet ring 33, when the air outlet size of the air exhausting device 3 needs to be adjusted, a user rotates the rotating rod 36, the rotating rod 36 rotates in the rotating groove 4 through the rotating ball a35, so that the threaded rod 34 rotates, the threaded sleeve 37 is in threaded connection with the outer wall of the threaded rod 34, so that the threaded sleeve 37 can move left and right on the outer wall of the threaded rod 34 when the rotating rod 36 is rotated forwardly and reversely, when the threaded sleeve 37 moves towards one side close to the air outlet ring 33 along the outer wall of the threaded rod 34, the threaded sleeve 37 drives the bottom end of the fan plate 39 to move towards one side close to the air outlet ring 33, the top end of the telescopic rod 51 slowly inclines through the rotating ball B52, the limiting block 54 slowly moves towards the bottom of the cavity of the lifting bin 55, the telescopic rod 51 inclines in the cavity of the, at this time, when the bottom end of the fan plate 39 slowly moves to a side close to the air outlet ring 33, the guide mechanisms 6 on the outer walls of the front and rear sides of the fan plate 39 are arranged in the corresponding limit grooves 41, the limit plate 38 synchronously moves to a side close to the air outlet ring 33 along with the threaded sleeve 37, the guide balls 65 on the two sides of the fan plate 39 are clamped in the limit grooves 41 in different states, when the limit plate 38 synchronously moves along with the threaded sleeve 37 on one side, the fan plate 39 moves in the opposite direction in the corresponding limit grooves 41 through the guide rods 64 and the guide balls 65 on the two sides, so that the two sides of the fan plate 39 incline and turn over, then along with the movement of the threaded sleeve 37 on the outer wall of the threaded rod 34, so that the fan plate 39 continuously inclines, when the fan plate 39 inclines, the air can pass through eight groups of fan plates 39 more greatly, and finally is discharged from the air outlet ring 33, and similarly, when the threaded sleeve 37 moves to a side, the eight groups of fan plates 39 can plug the air discharged from the fourth air duct 24, so that the effect of the size of the air outlet of the machine body 1 is realized.

Therefore, through setting the air exhaust device 3, the sliding mechanism 5 and the guiding mechanism 6, the air exhaust size can be independently controlled for six groups of air exhaust devices 2, through controlling the inclination angles of eight groups of fan plates 39, the air exhaust size from the air exhaust devices 2 can be controlled, thereby the air exhaust condition of the six groups of air exhaust devices 2 can be independently controlled, the independent adjustment and rotation of users are facilitated, compared with the traditional technology, the problem that the air exhaust is single and the air exhaust and control cannot be finely divided is solved, the fire-fighting smoke exhaust efficiency is improved, the practicability and the creativity are strong, through setting the air exhaust device 3, the users can manually rotate the rotating rod 36 when carrying out fire-fighting smoke exhaust, thereby the condition that the air exhaust and smoke exhaust of the air exhaust devices 2 reach one control is realized, and the users can conveniently carry out manual adjustment on the air exhaust device, the six groups of exhaust devices 3 can independently and independently control the air outlet condition thereof, so as to further improve the fire-fighting and smoke-discharging efficiency of a user, and simultaneously improve the practicability of the invention, the fan housing 32 is arranged in a circular truncated cone shape, so that the six groups of fan housings 32 can achieve the effect of collecting air for the respective air outlet devices 2, the wind power discharged by the machine body 1 is collected and discharged from the end parts of the air outlet rings 33 with smaller diameters of the inner and outer walls, the wind housing 32 achieves the collection of the wind power of the machine body 1, so as to improve the fire-fighting and smoke-discharging efficiency, the rotating rods 36 distributed in an annular array are arranged on the outer walls of the two ends of the rotating ball A35, the rotating rods 36 are positioned in the air outlet rings 31 and the fan housing 32, the rotating rods 36 distributed in an annular array realize the protection and protection effect on the machine body 1, so that foreign matters can not enter the machine body 1 to cause the damage of fan blades, under the condition that the protection machine body 1 is used, the human body part carelessly contacts the fan blades in the machine body 1, so that the protection to the machine body 1 is realized, the protection effect to the personal safety of a user is also realized, and the practicability and the creativity are stronger.

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 multi-angle is adjusted and individually controlled's fire control smoke exhaust fan, includes organism (1), its characterized in that: six groups of air outlet devices (2) distributed in an annular array are arranged on the right output end face of the machine body (1), each air outlet device (2) comprises a first air duct (21), a second air duct (22), a third air duct (23) and a fourth air duct (24), the six groups of first air ducts (21) are fixedly arranged on the right output end face of the first air duct (21) in an annular array mode, the second air duct (22) and the fourth air duct (24) are hollow cylinders with inclined planes on one sides, the third air duct (23) is a hollow cylinder with inclined planes on two sides, and the inclined planes on two sides of the third air duct (23) are in a symmetrical state;

the inner wall of the left end of the second air duct (22) is movably arranged on the inner wall of the right side of the first air duct (21) through a bearing, the inner walls of the inclined plane ends of the two sides of the third air duct (23) are respectively movably arranged between the inner wall of the inclined plane end of the second air duct (22) and the inner wall of the inclined plane end of the fourth air duct (24) through bearings, the outer wall of the left end of the second air duct (22) is fixedly provided with a first fluted disc (27), the outer wall of the inclined plane end of the left end of the third air duct (23) is fixedly provided with a second fluted disc (28), the second fluted disc (28) and the inclined plane of the left end of the third air duct (23) are in a parallel state, the outer wall of the left end of the fourth air duct (24) is fixedly provided with a third fluted disc (29), the third fluted disc (29) and the inclined plane of the left end of the fourth air duct (24) are in a parallel state, servo motors (26) are fixedly arranged on the first, all fixedly mounted on the output of three servo motor (26) have gear (25), and three gear (25) are in the state of meshing with first fluted disc (27), second fluted disc (28) and third fluted disc (29) on corresponding right side respectively.

2. A fire smoke exhaust fan capable of multi-angle adjustment and individual control according to claim 1, characterized in that: six groups the right side output of fourth dryer (24) all is provided with exhaust device (3), exhaust device (3) are including air inlet ring (31), fan housing (32), air-out ring (33) and threaded rod (34), air inlet ring (31) fixed mounting is on the right side output of fourth dryer (24), the interior outer wall diameter of air inlet ring (31) is 1.5 times of air outlet ring (33) interior outer wall diameter, fan housing (32) are the round platform shape, and fan housing (32) fixed mounting is between air inlet ring (31) and air outlet ring (33), the equal fixed mounting in threaded rod (34) both ends has dwang (36) that are the ring array and distribute, and the equal fixed mounting in top of dwang (36) has rolling ball A (35).

3. A fire smoke exhaust fan capable of multi-angle adjustment and individual control according to claim 2, characterized in that: the air inlet ring (31) inner wall and the air outlet ring (33) inner wall are all provided with a rotating groove (4) which is clamped with a rotating ball A (35), the rotating groove (4) is annular, the outer wall of the threaded rod (34) is in threaded connection with a threaded sleeve (37), eight groups of fan plates (39) distributed in an annular array are arranged on the outer wall of the threaded sleeve (37), and the fan plates (39) are fan-shaped.

4. A fire smoke exhaust fan capable of multi-angle adjustment and individual control according to claim 3, characterized in that: the top ends of the fan plates (39) are inclined planes in an inclined state, and the inclined planes at the top ends of the fan plates (39) are parallel to the inner wall of the fan cover (32).

5. A fire smoke exhaust fan capable of multi-angle adjustment and individual control according to claim 2, characterized in that: and limiting plates (38) are fixedly mounted on the outer walls of the threaded sleeves (37) between the two adjacent fan plates (39), and the limiting plates (38) are fan-shaped.

6. A fire smoke exhaust fan capable of multi-angle adjustment and individual control according to claim 2, characterized in that: the top ends of the eight groups of fan plates (39) are respectively provided with a sliding mechanism (5), each sliding mechanism (5) comprises a telescopic rod (51) and a limiting block (54), the top end of each telescopic rod (51) is fixedly provided with a rotating ball B (52), the bottom end of each telescopic rod (51) is fixedly provided with a rotating ball C (53), the middle part of the inner wall of the fan cover (32) is provided with a ball groove in which the rotating balls B (52) are mutually clamped, the top end of each rotating ball B (52) is clamped in the ball groove in the inner wall of the fan cover (32), the rotating ball C (53) is clamped on the limiting block (54), the top end of the limiting block (54) is provided with a groove body in which the rotating ball C (53) is mutually clamped, the bottom end of each rotating ball C (53) is clamped in the groove body at the top of the limiting block (54) and can rotate, the top end of each fan plate (39) is provided with a lifting bin (, and the extrusion spring (57) is positioned below the limit block (54).

7. A fire smoke exhaust fan capable of multi-angle adjustment and individual control according to claim 6, wherein: through grooves (58) are formed in the outlets of the lifting bin (55).

8. A fire smoke exhaust fan capable of multi-angle adjustment and individual control according to claim 3, characterized in that: eight groups the wall all is provided with guiding mechanism (6) around fan board (39), guiding mechanism (6) are including guide block (61), reset spring (62), plate washer (63), guide bar (64), direction ball (65) and flexible storehouse (66), guide block (61) fixed mounting is on the wall of fan board (39) fore-and-aft direction, flexible storehouse (66) have been seted up to a lateral wall that guide block (61) are close to limiting plate (38), plate washer (63) block is in flexible storehouse (66), guide bar (64) fixed mounting is on a lateral wall that plate washer (63) are close to limiting plate (38), direction ball (65) fixed mounting is on a lateral wall that guide bar (64) are close to limiting plate (38), reset spring (62) fixed mounting is in flexible storehouse (66) intracavity.

9. A multi-angle adjustable and individually controlled fire and smoke exhaust fan as defined in claims 5 and 8, wherein: limiting grooves (41) which are clamped with the guide balls (65) are formed in the wall surface of one side, close to the fan plates (39) on the two sides, of the limiting plate (38).

10. A fire smoke exhaust fan capable of multi-angle adjustment and individual control according to claim 8, wherein: the limiting grooves (41) on the two sides of the limiting plate (38) are arranged in a front-back staggered state, and the guide balls (65) on the two sides of one fan plate (39) are respectively clamped in the limiting grooves (41) in two different states.