CN217558590U

CN217558590U - Fire-proof smoke exhaust fan for fire fighting

Info

Publication number: CN217558590U
Application number: CN202221053165.1U
Authority: CN
Inventors: 周晓刚; 邱华强; 朱晨旭; 邓文
Original assignee: Henan Longan Industrial Co ltd
Current assignee: Henan Longan Industrial Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-10-11
Anticipated expiration: 2032-05-05

Abstract

The utility model relates to a fume extractor technical field discloses a fire protection of fire prevention is with induced-draft fan, including combining the cover, the top fixedly connected with screw thread piece of combining the cover, the inside threaded connection of screw thread piece has the threaded rod, the bottom of threaded rod is rotated and is connected with the stripper plate, the right side outer wall threaded connection of combining the cover is at the left side inner wall of fan casing, the equal fixedly connected with bracing piece two of lower extreme on the inside left side of fan casing, the opposite side fixedly connected with of bracing piece two combines piece two. The utility model discloses in, because the motor is on the induced-draft fan, the motor can not be blown to exhaust cigarette, because in the motor exhaust pipe also no longer, greatly reduced high temperature improves motor life to the harm of motor, owing to be fixed through the stripper plate extrusion, so can adapt to the not pipeline of equidimension, easy operation can in time change moreover, avoids the loss of personnel and property.

Description

Fire-proof smoke exhaust fan for fire fighting

Technical Field

The utility model relates to a fume extractor technical field especially relates to a fire protection of fire prevention is with induced-draft fan.

Background

Along with the development of the building industry, the fire prevention problem of the building becomes more and more important, modern buildings built in recent years are generally provided with a fire-fighting smoke exhaust system to reduce the loss of personnel and property during fire, and a smoke exhaust fan always has the function of daily ventilation at ordinary times, so that higher requirements are put forward for the smoke exhaust fan, and the smoke exhaust fan not only needs to meet the normal operation in a fire-fighting state, but also needs to meet the normal operation of ordinary ventilation.

In the prior art, the motor of the smoke exhaust fan is arranged inside the smoke exhaust fan, when a fire disaster occurs, the motor is damaged by harmful substances and corrosive gases contained in smoke and high temperature, the service life of the motor is shortened, the smoke exhaust fan is fixed in size and cannot be suitable for fire fighting pipelines with different sizes, if the smoke exhaust fan is damaged, the smoke exhaust fan cannot be timely replaced by other exhaust fans with different sizes from the pipeline, and loss of personnel and property is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fireproof smoke exhaust machine for fire protection.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a fire protection smoke exhaust ventilator of fire prevention, includes the combination cover, the top fixedly connected with thread piece of combination cover, the inside threaded connection of thread piece has the threaded rod, the bottom of threaded rod is rotated and is connected with the stripper plate, the right side outer wall threaded connection of combination cover is at the left side inner wall of fan casing, the equal fixedly connected with bracing piece two of lower extreme on the inside left side of fan casing, the opposite side fixedly connected with combination piece two of bracing piece two, the inside rotation in right side of combination piece two is connected with the axis of rotation, the middle part fixedly connected with connecting block of axis of rotation, the outer wall fixedly connected with a plurality of flabellum of connecting block, the right side of axis of rotation is rotated and is connected in the inside of combination piece one, two bracing pieces of the equal fixedly connected with of outer wall of combination piece one, the back of bracing piece one looks fixedly connected with slider, the outer wall sliding connection of slider is in the inside of spout, the right side top fixedly connected with driven plate of axis of rotation, the groove department of driven plate rotates through the belt and is connected with the driving plate, the inside fixed connection is in the output right side department of motor, the outer wall of motor passes through the inside bottom fixed mount and is connected in the protecting crust, the right side of fixed block the pole that the right side fixed block the pole that the left side was set up.

As a further description of the above technical solution:

the bottom of protective housing is fixed connection in fan casing top right side.

As a further description of the above technical solution:

two the spout all sets up inside the upper and lower both sides of fan casing.

As a further description of the above technical solution:

the top of the threaded rod is fixedly connected with a rotating handle.

As a further description of the above technical solution:

the number of the fan blades is at least six.

As a further description of the above technical solution:

the middle part of the clamping block is provided with a through groove, and the bottom of the clamping block is fixedly connected to the inner wall of the bottom of the fan shell.

As a further description of the above technical solution:

the top of the right side of the extrusion plate is connected with the inner wall of the right side of the combination sleeve in a sliding manner.

As a further description of the above technical solution:

the bottom of fan casing is provided with four universal wheels, the bottom of combining the cover is provided with two universal wheels.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, the output drive plate of at first motor passes through the belt and drives the driven plate to drive the axis of rotation of fixed connection above that, the rotation of axis of rotation drives fixed connection and rotates at the epaxial connecting block of rotation, and then makes the flabellum rotate, begins to discharge fume, because the motor is on the fume extractor, the motor can not be blown to exhaust cigarette, because in the motor exhaust duct also no longer, greatly reduced high temperature improves motor life to the harm of motor.

2. The utility model discloses in, aim at the exhaust pipe with the joint cover, promote the fan casing, make the exhaust pipe stretch into the inside of joint cover, rotate and change the handle, it is rotatory to drive the threaded rod, will rotate to connect and move down at threaded rod lower extreme stripper plate, make stripper plate and exhaust pipe tightly compress tightly, be about to the smoke ventilator and fix on the exhaust pipe, owing to be fixed through the stripper plate extrusion, so can adapt to the not pipeline of equidimension, easy operation can in time change moreover, avoids the loss of personnel and property.

Drawings

FIG. 1 is a front sectional view of a fireproof smoke exhaust ventilator for fire protection according to the present invention;

FIG. 2 is a left side view of the fire-fighting smoke exhauster of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a coupling sleeve; 2. a thread block; 3. a threaded rod; 4. a fan housing; 5. a protective shell; 6. a motor; 7. a driving disk; 8. a chute; 9. a driven plate; 10. a first supporting rod; 11. a slider; 12. combining the first block; 13. a fan blade; 14. connecting blocks; 15. a second combining block; 16. a second supporting rod; 17. a pressing plate; 18. a clamping block; 19. a blocking lever; 20. a fixed block; 21. and rotating the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a fireproof smoke exhaust machine for fire fighting comprises a combination sleeve 1, a threaded block 2 is fixedly connected to the top of the combination sleeve 1, a threaded rod 3 is connected to the inner thread of the threaded block 2, an extrusion plate 17 is rotatably connected to the bottom of the threaded rod 3, the combination sleeve 1 is aligned to a smoke exhaust pipeline, a fan shell 4 is pushed, the smoke exhaust pipeline extends into the combination sleeve 1, a rotating handle is rotated to drive the threaded rod 3 to rotate, the extrusion plate 17 is rotatably connected to the lower end of the threaded rod 3 to move downwards, the extrusion plate 17 is tightly pressed with the smoke exhaust pipeline, i.e. the smoke exhaust machine is fixed on the smoke exhaust pipeline, the outer wall of the right side of the combination sleeve 1 is in threaded connection with the inner wall of the left side of the fan shell 4, a support rod two 16 is fixedly connected to the upper end and the lower end of the left side of the inside of the fan shell 4, a combination block two 15 is fixedly connected to the opposite side of the combination block two 15, a rotating shaft 21 is rotatably connected to the right side of the rotating shaft 21, a connecting block 14 is fixedly connected to the outer wall of the connecting block 14, a plurality of fan blades 13 are fixedly connected to the right side of the rotating shaft 21, the right side of the rotating shaft is rotatably connected to the combination block 12, two support rods are fixedly connected to the outer wall of a fixing block 7 of a driving plate 6, a driving plate 6 fixed block of a driving plate, a driving plate 7 fixed block which is connected to the driving plate which is connected to the bottom of a driving plate which is fixedly connected to the driving plate 7, a driving plate which is fixedly connected to the bottom of a driving plate, a driving plate which is fixedly connected to the driving plate 6, the motor 6 is started, the driven disc 9 is driven by the driving disc 7 at the output end of the motor 6 through the belt, so that the rotating shaft 21 fixedly connected to the driving disc is driven, the rotating shaft 21 drives the connecting block 14 fixedly connected to the rotating shaft 21 to rotate, the fan blades 13 rotate and begin to discharge smoke, and the motor 6 is protected because the motor 6 is arranged at the top of the fan shell 4 and the discharged smoke cannot blow to the motor 6.

Bottom fixed connection of protecting crust 5 is on fan casing 4 top right side, two spout 8 all set up inside fan casing 4's upper and lower both sides, spout 8 and slider 11 are made up and to be got up and to be pulled down bracing piece 10 more easily, the top fixedly connected with of threaded rod 3 changes the handle, make things convenient for operating personnel to use, the quantity of flabellum 13 is six at least, the middle part of block 18 is provided with and runs through the groove, the bottom fixed connection of block 18 is at fan casing 4's bottom inner wall, block 18, block that pole 19 and fixed block 20 are used for preventing bracing piece 10 roll-off fan casing 4, the right side top sliding connection of stripper plate 17 is at the right side inner wall of set 1, make stripper plate 17 more easily the lapse can also prevent stripper plate 17 to rock along with threaded rod 3 effect simultaneously, the bottom of fan casing 4 is provided with four universal wheels, the bottom of combining set 1 is provided with two universal wheels, make things convenient for the smoke ventilator to remove.

The working principle is as follows: firstly aim at the smoke exhaust pipe with joint cover 1, promote fan casing 4, make the smoke exhaust pipe stretch into the inside of joint cover 1, rotate and change the handle, it is rotatory to change the drive threaded rod 3, will rotate and connect 3 lower extreme stripper plates 17 downstream of threaded rod, make stripper plates 17 and smoke exhaust pipe tightly compress tightly, be about to the smoke ventilator fix on the smoke exhaust pipe, open motor 6, the output drive plate 7 of motor 6 passes through the belt and drives driven plate 9, thereby drive fixed connection's axis of rotation 21 above that, the rotation of axis of rotation 21 drives the connecting block 14 rotation of fixed connection on axis of rotation 21, and then make flabellum 13 rotate, begin to discharge fume.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a fire prevention smoke ventilator for fire control, includes combination cover (1), its characterized in that: top fixedly connected with screw thread piece (2) that combines cover (1), the inside threaded connection of screw thread piece (2) has threaded rod (3), the bottom of threaded rod (3) is rotated and is connected with stripper plate (17), the right side outer wall threaded connection that combines cover (1) is at the left side inner wall of fan casing (4), the equal fixedly connected with bracing piece two (16) of lower extreme on the inside left side of fan casing (4), the opposite side fixedly connected with that combines piece two (15) of bracing piece two (16), the right side internal rotation that combines piece two (15) is connected with axis of rotation (21), the middle part fixedly connected with connecting block (14) of axis of rotation (21), a plurality of flabellum (13) of outer wall fixedly connected with of connecting block (14), the right side of axis of rotation (21) is rotated and is connected in the inside that combines piece one (12), the equal fixedly connected with two bracing pieces one (10) of outer wall that combine piece one (12), the back of the body of bracing piece one (10) side fixedly connected with slider (11), the outside wall sliding connection of slider (11) is in the right side of slider (8), the top fixedly connected with in the right side of axis of rotation (21) top fixedly connected with that the driven plate (9) the driven plate (7) passes through the driven plate (7), the driven plate (7) of driven plate (7), the output end of driven plate (7) of driven plate (6), the driven plate (7) of driven plate (6) is connected with that the driven plate (7) is connected with the driven plate (6) is located the driven plate (7), the output end is connected with that the driven plate (7) is connected with the driven plate (6) is located the driven plate (7), the driven plate (6) is connected with that the driven plate (7) is connected with that the right side of driven plate (6) is connected with that the right side of driven plate (6) is connected with that the drive plate (6) is connected with that the driven plate (6) is located The side department, the outer wall of motor (6) passes through mount fixed connection in the inside bottom of protecting crust (5), the right side lower extreme fixedly connected with fixed block (20) of fan casing (4), the inside of fixed block (20) is rotated and is connected in the right side bottom department that blocks pole (19), the left side that blocks pole (19) sets up the inside at block (18).

2. A fire-resistant smoke exhaust ventilator according to claim 1, wherein: the bottom of the protective shell (5) is fixedly connected to the right side of the top of the fan shell (4).

3. A fire-resistant smoke exhaust ventilator according to claim 1, wherein: two spout (8) all set up inside the upper and lower both sides of fan casing (4).

4. A fire-resistant smoke exhaust ventilator according to claim 1, wherein: the top of the threaded rod (3) is fixedly connected with a rotating handle.

5. A fire-resistant smoke exhaust ventilator according to claim 1, wherein: the number of the fan blades (13) is at least six.

6. A fire protection smoke exhaust ventilator according to claim 1, wherein: the middle part of the clamping block (18) is provided with a through groove, and the bottom of the clamping block (18) is fixedly connected to the inner wall of the bottom of the fan shell (4).

7. A fire protection smoke exhaust ventilator according to claim 1, wherein: the top of the right side of the extrusion plate (17) is connected with the inner wall of the right side of the combination sleeve (1) in a sliding manner.

8. A fire-resistant smoke exhaust ventilator according to claim 1, wherein: the bottom of the fan shell (4) is provided with four universal wheels, and the bottom of the combination sleeve (1) is provided with two universal wheels.