CN216812219U

CN216812219U - Novel smoke exhaust fan

Info

Publication number: CN216812219U
Application number: CN202220028175.3U
Authority: CN
Inventors: 俞帧风
Original assignee: Shaoxing Shangyu Jiangnan Blower Fan Co ltd
Current assignee: Shaoxing Shangyu Jiangnan Blower Fan Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-06-24
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a novel smoke exhaust fan, relates to ventilation equipment, and aims to solve the problem that an impeller generates a centrifugal phenomenon when a machine moves, wherein the technical scheme is as follows: the motor comprises a shell and a motor, wherein a plurality of supporting bars are fixedly connected in the shell, one end, far away from the shell, of each supporting bar is fixedly connected with a calibration piece which is coaxially arranged with the shell, a connecting assembly used for fixing the motor is fixedly connected in the shell, an output shaft which penetrates through the calibration piece and is rotatably connected with the calibration piece is arranged on the motor, an impeller is detachably connected on the output shaft, and a fixing assembly used for fixing the impeller is arranged at the end part of the output shaft.

Description

Novel smoke exhaust fan

Technical Field

The utility model relates to the field of ventilation equipment, in particular to a novel smoke exhaust fan.

Background

Along with the development of society, high-rise building is more and more, and that is the potential safety hazard that comes along with it is also bigger and more, so the fire control smoke exhaust system among the high-rise building can be said to be the heaviest, wherein, smoke exhaust fan is the core component, and its job stabilization nature influences whole smoke exhaust system's quality, has ventilation's effect at ordinary times, when a fire takes place, smoke exhaust fan can in time be indoor dense cigarette to the outdoor, can provide the advantage for indoor stranded personnel's evacuation or evacuate, alleviate the fire rescue degree of difficulty, improve fire fighter's work efficiency, but current smoke exhaust fan has clean inconvenient problem.

The chinese patent with publication number CN 213392871U discloses a centrifugal fire-fighting smoke exhaust fan, which has the technical key points that: including the exhaust fan body, still include fan wheel, fan wheel locates this internally of exhaust fan, fan wheel includes the rim plate group, a plurality of blades, rim plate group includes the rim plate, lower rim plate, the blade is located between rim plate and the lower rim plate, all be equipped with the mounting groove of installation blade on last rim plate and the lower rim plate, and the mounting groove medial surface is equipped with spring assembly, the blade side be equipped with the perforation of spring assembly complex, the blade is installed and is passed the perforation and carry out the card admittedly to the blade in to the mounting groove and through the spring assembly in the mounting groove, make blade detachable install in the mounting groove, conveniently carry out the dismouting to the blade, change, wash more easily.

The clean inconvenient problem of impeller in having solved the smoke exhaust fan in the above-mentioned scheme, but impeller and smoke exhaust fan body take place centrifugal problem easily, and when centrifugal phenomenon took place, the impeller pivoted while can collide with the body of smoke exhaust fan, has produced the noise on the one hand, and on the other hand has reduced smoke exhaust fan's life.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a novel smoke exhaust fan.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a novel smoke exhaust fan, includes casing and motor, a plurality of support bars of fixedly connected with in the casing, the one end fixedly connected with of casing and the calibration piece of the coaxial setting of casing are kept away from to the support bar, fixedly connected with is used for the coupling assembling of fixed motor in the casing, be equipped with on the motor and run through the calibration piece and rotate the output shaft of being connected with the calibration piece, can dismantle on the output shaft and be connected with the impeller, the tip of output shaft is equipped with the fixed subassembly that is used for fixed impeller.

Through adopting above-mentioned technical scheme, the setting of support bar has played fixedly to the calibration piece, make calibration piece and casing remain coaxial state throughout, thereby play the effect of calibration, coupling assembling's setting has fixed the position of motor in the casing, the output shaft of motor is connected with the impeller after running through the calibration piece, make the output shaft, the centre of a circle of casing and impeller is located same straight line, it is coaxial to have guaranteed the three, and the setting of fixed subassembly has further stabilized the position of impeller, moreover, the impeller can be dismantled the connection on the output shaft, tear the impeller open after making things convenient for smoke exhaust fan to use, clean, wash impeller surface adhesion's smog oil stain, increase smoke exhaust fan's life.

The utility model is further configured to: the calibrating piece is of a cylindrical structure, a rotating assembly used for being connected with the calibrating piece is sleeved on the output shaft, a threaded section is arranged on the output shaft, and the impeller is fixedly connected with the output shaft through the threaded section.

Through adopting above-mentioned technical scheme, the calibration piece is the tubular structure, the centre of a circle of the calibration piece of being convenient for and the centre of a circle of casing are located same straight line, be in coaxial state, because the output shaft passes through rotating assembly and calibration piece rotation and is connected, frictional force between output shaft and the calibration piece has been reduced, the contact surface of output shaft and calibration piece has been protected, smoke exhaust fan's life has been prolonged, threaded connection between output shaft and the impeller has been realized in setting up of screw thread section, joint strength between output shaft and the impeller has been strengthened.

The utility model is further configured to: the rotating assembly comprises a bearing, the bearing is fixedly connected with the output shaft, and the bearing is rotatably connected with the calibrating piece.

Through adopting above-mentioned technical scheme, the direct contact of output shaft and calibration piece has been avoided in the setting of bearing for the internal perisporium of calibration piece can not be touched when the output shaft rotates, reduced the frictional force between output shaft and the calibration piece, increased smoke exhaust fan's life, and make output shaft pivoted more smooth, the noise that produces when having reduced the fan rotation.

The utility model is further configured to: coupling assembling includes the connecting strip one and the connecting strip two with the inner wall fixed connection of casing, connecting strip one and connecting strip two sliding connection, be equipped with the centre gripping subassembly that is used for centre gripping connecting strip one and connecting strip two with fixed connection strip two between connecting strip one and the connecting strip two, fixedly connected with is used for the sliding block with motor sliding connection on the connecting strip two, set up the spout that sets up along the radial direction of casing on the sliding block, the motor passes through bolt and sliding block fixed connection.

Through adopting above-mentioned technical scheme, connecting strip one and connecting strip two sliding connection, therefore, the slip of connecting strip two can carry out slight adjustment to the position of motor, make the centre of a circle of motor aim at the centre of a circle of calibration piece, thereby make the output shaft on the motor, the centre of a circle of casing and impeller is located same straight line, in addition, the setting of centre gripping subassembly can be after the position of good motor is fixed, further the position of fixed connecting strip one and connecting strip two, strengthen the joint strength between connecting strip one and the connecting strip two, in addition, sliding connection between connecting strip two and the motor has been realized in the setting of sliding block, the setting of spout is convenient for the slip of sliding block on the motor, the joint strength between motor and the sliding block has been strengthened in the setting of bolt, make when motor work, the state between motor and the sliding block is more firm.

The utility model is further configured to: the clamping assembly comprises a clamping bolt penetrating through the guide groove and a nut in threaded connection with the clamping bolt, and a rubber pad is bonded to one side, facing each other, of the connecting strip I and the connecting strip II.

Through adopting above-mentioned technical scheme, the guide way on connecting strip one and the connecting strip two is intercommunication each other, is convenient for follow-up fix connecting strip one and connecting strip two, and the setting up of centre gripping bolt and nut makes the connection effect between connecting strip one and the connecting strip two more firm, has increased the stability of whole motor, and the setting up of rubber pad has increased the frictional force between connecting strip one and the connecting strip two to joint strength between them has been strengthened.

The utility model is further configured to: the fixed assembly comprises a first gasket and a second gasket, the first gasket and the second gasket are in threaded connection with the output shaft through a threaded section, and the impeller is arranged between the first gasket and the second gasket.

Through adopting above-mentioned technical scheme, gasket I and gasket II and output shaft are threaded connection, on the one hand, are convenient for install and dismantle, and on the other hand is convenient for the cleaning and the change of part to guarantee the work that smoke exhaust fan can be better, moreover, the setting of gasket I and gasket II has played the effect of fixing and fixing a position to the position of impeller.

The utility model is further configured to: the impeller is characterized in that a concave part is arranged on the inner peripheral wall of the casing, and the distance from the inner wall of the concave part to the impeller is larger than the distance from the inner wall of the casing to the impeller.

By adopting the technical scheme, the distance from the inner wall of the concave part to the impeller is larger than the distance from the inner wall of the casing to the impeller, and the concave part is used for providing larger rotating space for the impeller, so that the impeller cannot collide with the inner peripheral wall of the casing when rotating, and the noise is reduced.

The utility model is further configured to: the shell is detachably connected with a fan cover positioned in front of the impeller.

Through adopting above-mentioned technical scheme, the setting of fan housing has carried out the separation with impeller and exterior space in the front of impeller, has increased the security when smoke exhaust fan uses.

In conclusion, the utility model has the following beneficial effects: the setting of calibration piece makes the output shaft, impeller and casing three's centre of a circle is located same straight line, consequently, the output shaft has been guaranteed, impeller and casing three's coaxial setting, the normal rotation of impeller has been guaranteed, in addition, impeller and output shaft are threaded connection, even after using up, can dismantle the impeller, the convenience is to the cleanness of impeller, wash the adnexed smog oil stain in impeller surface, smoke exhaust fan's life has been increased, and fixed subassembly's setting has also played the effect of location to the impeller, wherein, fixed subassembly is detachable, be convenient for the washing and the change of these finding, smoke exhaust fan's normal use has been guaranteed, service life has been increased, at last, impeller and exterior space have been carried out the separation in the setting of fan housing, the security when smoke exhaust fan used has been increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 2.

In the figure: 1. a housing; 2. a motor; 3. a supporting strip; 4. a calibration piece; 5. an output shaft; 6. an impeller; 7. a first connecting strip; 8. a second connecting strip; 9. a slider; 10. a chute; 11. a guide groove; 12. clamping the bolt; 13. a rubber pad; 14. a second gasket; 15. a recess; 16. a fan cover.

Detailed Description

The utility model is described in detail below with reference to the figures and examples.

As shown in fig. 2 and 4, a novel smoke exhaust fan comprises a casing 1 and a motor 2, a plurality of support bars 3 are welded in the casing 1, one ends of the support bars 3, far away from the casing 1, are welded with calibration pieces 4 coaxially arranged with the casing 1, the calibration pieces 4 are of a cylindrical structure, a connecting assembly for fixing the motor 2 is fixedly connected in the casing 1, the motor 2 is integrally connected with an output shaft 5 which penetrates through the calibration pieces 4 and is rotatably connected with the calibration pieces 4, the output shaft 5 is sleeved with a rotating assembly for connecting with the calibration pieces 4, wherein the rotating assembly comprises a bearing, the bearing is fixedly connected with the output shaft 5, the bearing is rotatably connected with the calibration pieces 4, a threaded section is arranged on the output shaft 5, the impeller 6 is in threaded connection with the output shaft 5 through the threaded section, the impeller 6 is detachably connected on the output shaft 5, and a fixing assembly for fixing the impeller 6 is arranged at the end part of the output shaft 5, the fixing assembly comprises a first gasket and a second gasket 14, the first gasket and the second gasket 14 are in threaded connection with the output shaft 5 through threaded sections, the impeller 6 is arranged between the first gasket and the second gasket 14, in addition, a concave portion 15 is arranged on the inner peripheral wall of the machine shell 1, the distance from the inner wall of the concave portion 15 to the impeller 6 is larger than the distance from the inner wall of the machine shell 1 to the impeller 6, and the machine shell 1 is detachably connected with a fan cover 16 positioned in front of the impeller 6.

As shown in fig. 1 to 3, the connecting assembly includes a first connecting strip 7 and a second connecting strip 8 fixedly connected to the inner wall of the housing 1, guide grooves 11 disposed in the same direction and communicated with each other are formed on the first connecting strip 7 and the second connecting strip 8, a rubber pad 13 is bonded to one side of the first connecting strip 7 and the second connecting strip 8 facing each other, the first connecting strip 7 and the second connecting strip 8 are slidably connected, a clamping assembly for clamping the first connecting strip 7 and the second connecting strip 8 to fix the second connecting strip 8 is disposed between the first connecting strip 7 and the second connecting strip 8, wherein, the centre gripping subassembly including run through guide way 11 the centre gripping bolt 12 and with centre gripping bolt 12 threaded connection's nut, fixedly connected with be used for with 2 sliding connection's of motor sliding connection sliding block 9 on the connecting strip two 8, set up the spout 10 that sets up along the radial direction of casing 1 on the sliding block 9, motor 2 passes through bolt and 9 fixed connection of sliding block.

When the device is used, the smoke exhaust fan is arranged at a specified position, the output shaft 5 of the motor 2 penetrates through the calibration piece 4, then the position of the motor 2 is finely adjusted by moving the connecting strip II 8 and the sliding block 9, the circle centers of the motor 2 and the calibration piece 4 are positioned on the same straight line, the output shaft 5 of the motor 2 is ensured to be coaxial with the shell 1, after the position of the motor 2 is determined, the sliding block 9 and the motor 2 are fixed by bolts, the connecting strip I7 and the connecting strip II 8 are fixed by the clamping bolts 12 and nuts, wherein the rubber pads 13 on the surfaces of the connecting strip I7 and the connecting strip II 8 also increase the friction force between the connecting strip I7 and the connecting strip II 8, the connection strength between the connecting strip I7 and the connecting strip II 8 is enhanced, the gasket I is connected to the output shaft 5 in a threaded manner, and then the impeller 6 is connected with the output shaft 5 through threaded connection, at the moment, the gasket plays a role in positioning and fixing the impeller 6, then the gasket II 14 is connected with the output shaft 5 in a threaded connection mode to further fix the position of the impeller 6, then the fan cover 16 is installed in the shell 1, then the motor 2 is turned on, the output shaft 5 is rotated by electric energy generated by the motor 2, the output shaft 5 drives the impeller 6 to rotate, and therefore the work of the smoke exhaust fan is completed, at the moment, the concave part 15 on the shell 1 provides a larger running space for the smoke exhaust fan, noise generated by friction between the impeller 6 and the inner wall of the shell 1 when the impeller 6 rotates is avoided, in addition, the friction force between the output shaft 5 and the calibration part 4 is reduced by the arrangement of the bearing, the service life of the smoke exhaust fan is prolonged, the output shaft 5 rotates more smoothly, the noise generated when the fan rotates is reduced, after the use is completed, the fan cover 16 is taken down, and the second gasket 14 is taken down, and then the impeller 6 and the first gasket are taken out, so that the impeller 6 can be cleaned, the stains on the surface of the impeller 6 are cleaned, and the service life of the whole smoke exhaust fan can be prolonged.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a novel smoke exhaust fan, includes casing (1) and motor (2), its characterized in that: fixedly connected with a plurality of support bars (3) in casing (1), the one end fixedly connected with of casing (1) and calibration piece (4) of casing (1) coaxial setting are kept away from in support bar (3), fixedly connected with is used for the coupling assembling of fixed motor (2) in casing (1), be equipped with on motor (2) and run through calibration piece (4) and rotate output shaft (5) of being connected with calibration piece (4), can dismantle on output shaft (5) and be connected with impeller (6), the tip of output shaft (5) is equipped with the fixed subassembly that is used for fixed impeller (6).

2. The novel smoke exhaust fan of claim 1, characterized in that: the calibrating device is characterized in that the calibrating piece (4) is of a cylindrical structure, a rotating assembly used for being connected with the calibrating piece (4) is sleeved on the output shaft (5), a threaded section is arranged on the output shaft (5), and the impeller (6) is fixedly connected with the output shaft (5) through the threaded section.

3. The novel smoke exhaust fan of claim 2, characterized in that: the rotating assembly comprises a bearing, the bearing is fixedly connected with the output shaft (5), and the bearing is rotatably connected with the calibrating piece (4).

4. The novel smoke exhaust fan of claim 1, characterized in that: coupling assembling include with the inner wall fixed connection's of casing (1) connecting strip (7) and connecting strip two (8), connecting strip (7) and connecting strip two (8) are sliding connection, be equipped with between connecting strip (7) and connecting strip two (8) and be used for centre gripping connecting strip (7) and connecting strip two (8) with the centre gripping subassembly of fixed connection strip two (8), fixedly connected with is used for sliding block (9) with motor (2) sliding connection on connecting strip two (8), set up spout (10) that set up along casing (1) radial direction on sliding block (9), motor (2) are through bolt and sliding block (9) fixed connection.

5. The novel smoke exhaust fan of claim 4, characterized in that: offer guiding groove (11) that the syntropy set up and communicate each other on connecting strip (7) and connecting strip two (8), the centre gripping subassembly including the centre gripping bolt (12) that run through guiding groove (11) and with centre gripping bolt (12) threaded connection's nut, connecting strip one (7) and connecting strip two (8) one side bonding that moves towards each other have rubber pad (13).

6. The novel smoke exhaust fan of claim 1, characterized in that: the fixing assembly comprises a first gasket and a second gasket (14), the first gasket and the second gasket (14) are in threaded connection with the output shaft (5) through threaded sections, and the impeller (6) is arranged between the first gasket and the second gasket (14).

7. The novel smoke exhaust fan of claim 1, characterized in that: the impeller is characterized in that a concave part (15) is arranged on the inner peripheral wall of the machine shell (1), and the distance from the inner wall of the concave part (15) to the impeller (6) is greater than the distance from the inner wall of the machine shell (1) to the impeller (6).

8. The novel smoke exhaust fan of claim 1, characterized in that: the shell (1) is detachably connected with a fan cover (16) positioned in front of the impeller (6).