CN214887976U - Low-noise box-type centrifugal fan with self-heat-dissipation function - Google Patents

Abstract

The utility model discloses a low-noise box-type centrifugal fan with self-heat dissipation function, which comprises a box body, a motor box, a driving motor and a heat dissipation fan, wherein the end surface of the motor box is in an open type arrangement, and the open end of the motor box can be disassembled and connected with a metal dustproof screen plate, the middle position of the outer surface of the metal dustproof screen plate is rotatably connected with a shaft seat, one side of the shaft seat is spliced with a fan blade, a brush strip is arranged on the surface of the fan blade, a noise reduction component is compounded in the box body and comprises a sponge mat, a foam cotton plate and a rubber-plastic plate, and the sponge mat is compounded on the inner wall of the box body; the heat dissipation fan assists in dissipating heat of the driving motor, blown wind drives the fan blades to rotate relative to the metal dustproof screen plate through the shaft seat axis, and the fan blades drive the brush strips to circumferentially clean the metal dustproof screen plate, so that dust on the surface of the metal dustproof screen plate and limit scraps are effectively reduced, and the heat dissipation effect is improved; the noise reduction assembly reduces noise generated by the transmission assembly in the box body, and improves the comfort level of the working environment.

Description

Low-noise box-type centrifugal fan with self-heat-dissipation function

Technical Field

The utility model belongs to the technical field of box centrifugal fan, concretely relates to low noise has box centrifugal fan from heat dissipation function.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. The box-type centrifugal fan is one type of centrifugal fan and comprises a box body, a transmission assembly inside the box body and a driving motor arranged on the upper surface of the box body.

When the existing box-type centrifugal fan is used, in order to accelerate the heat dissipation of a driving motor, a heat dissipation fan is additionally arranged at the port position of a motor box, meanwhile, a metal screen plate is arranged on one side of the heat dissipation fan for dustproof protection, and after the box-type centrifugal fan is used for a long time, impurities such as limiting scraps, dust and the like are adsorbed on the surface of the metal screen plate, so that the heat dissipation effect is influenced; the transmission assembly inside the box body is accompanied with the generation of noise in the working process, the comfort level of the working environment is greatly reduced, the problem of environmental protection is not facilitated, and therefore the box type centrifugal fan with the low noise and the self-heat dissipation function is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low noise has box centrifugal fan from heat dissipation function to solve 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: a low-noise box-type centrifugal fan with a self-heat-dissipation function comprises a box body, a motor box, a driving motor and a heat-dissipation fan, wherein the end face of the motor box is arranged in an open mode, the open end of the motor box is detachably connected with a metal dustproof screen plate, the middle position of the outer surface of the metal dustproof screen plate is rotatably connected with a shaft seat, a fan blade is inserted into one side of the shaft seat, a brush strip is arranged on the surface of the fan blade, a noise reduction assembly is compounded in the box body and comprises a sponge cushion, a foam cotton plate and a rubber plastic plate, the sponge cushion is compounded on the inner wall of the box body, the foam cotton plate is compounded between the rubber plastic plate and the sponge cushion, the heat-dissipation fan assists in heat dissipation of the driving motor, blown wind drives the fan blade to rotate relative to the metal dustproof screen plate through the shaft seat axis, the fan blade drives the brush strip to circumferentially clean the metal dustproof screen plate, and effectively reduces accumulation of dust and limiting scraps on the surface of the metal dustproof screen plate, the heat dissipation effect is improved; the noise reduction assembly reduces noise generated by the transmission assembly in the box body, and improves the comfort level of the working environment.

Preferably, the motor case is installed in the box top, driving motor is located inside the box, the heat dissipation fan is installed at the driving motor afterbody, carries out the heat dissipation through the heat dissipation fan to the inside driving motor of motor case and handles, reduces thermal piling up.

Preferably, the brush strip is located between flabellum and the dustproof otter board of metal, the brush strip laminates with the dustproof otter board of metal mutually, and in driving motor work, the synchronous work of heat dissipation fan, the wind drive flabellum that the heat dissipation fan blew off rotates with the dustproof otter board of the relative metal of axle bed axle center, when drive flabellum pivoted, drives the brush strip and carries out the circumference to the dustproof otter board of metal and cleans, and the effectual piling up of dustproof otter board surface dust of reduction metal and spacing sweeps improves the radiating effect.

Preferably, the welding of box upper surface has rings, box lateral wall installation protection casing, the protection casing cup joints in motor case one end, conveniently lifts by crane the box is assisted through rings, and the protection casing protects the driving motor transmission end of motor incasement portion, improves the security of using.

Preferably, the motor incasement portion bonds and has inhales the sound cotton, inhales the sound cotton and has fine sound and the effect that gives sound insulation of inhaling, and the noise that the effectual reduction driving motor during operation produced is favorable to improving operational environment's comfort level.

Preferably, the protruding pad of rubber protection is all installed to box both sides wall and front position, carries out crashproof and stand wear and tear protection to box both sides wall and front position through the protruding pad of rubber protection, prevents that box both sides wall and front position from taking place deformation, increase of service life.

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

1. the utility model discloses the motor case tip is open type setting, and the open end of motor case can be dismantled and connect the dustproof otter board of metal, the dustproof otter board surface intermediate position of metal rotates and connects the axle bed, it has the flabellum to peg graft in axle bed one side, flabellum surface mounting brush strip, the heat dissipation fan is to the supplementary heat dissipation of driving motor, the wind drive flabellum that blows off rotates with the dustproof otter board of the relative metal of axle bed position axle center, the flabellum drives brush strip and carries out the circumference to the dustproof otter board of metal and cleans, piling up of effectual reduction dustproof otter board surface dust of metal and spacing sweeps, the heat radiating effect is improved.

2. The utility model discloses the inside complex of box has the subassembly of making an uproar of falling, and the subassembly of making an uproar of falling includes foam-rubber cushion, foam cotton board and rubber and moulds the board, and the subassembly of making an uproar of falling reduces the noise that the inside transmission assembly of box produced, improves operational environment's comfort level.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the motor box and the metal dustproof mesh plate of the present invention;

FIG. 3 is a schematic view of the connection structure of the noise reduction assembly and the case of the present invention;

fig. 4 is a schematic structural view of the noise reduction assembly of the present invention;

in the figure: 1. a box body; 2. a rubber protective convex pad; 3. a hoisting ring; 4. a protective cover; 5. a motor case; 501. a drive motor; 6. sound-absorbing cotton; 7. a heat dissipation fan; 8. a metal dustproof mesh plate; 9. a shaft seat; 10. a fan blade; 11. a brush bar; 12. a noise reduction assembly; 13. a sponge cushion; 14. a foam cotton board; 15. and (7) an elastic plastic plate.

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 to 4, the present invention provides a technical solution: the utility model provides a low noise has box centrifugal fan from heat dissipation function, the power distribution box comprises a box body 1, motor case 5, driving motor 501 and heat dissipation fan 7, 5 terminal surfaces of motor case are the open type setting, and the open end of motor case 5 can be dismantled and connect metal dustproof otter board 8, 8 surface intermediate positions of metal dustproof otter board rotate and connect axle bed 9, it has flabellum 10 to peg graft in axle bed 9 one side, flabellum 10 surface mounting brush strip 11, 1 inside complex of box has noise reduction assembly 12, noise reduction assembly 12 includes foam-rubber cushion 13, foam-rubber board 14 and rubber plastic board 15, foam-rubber cushion 13 complex is at 1 inner wall of box, 14 complex of foam-rubber foam board is between rubber plastic board 15 and foam-rubber cushion 13.

Further, motor case 5 is installed in box 1 top, and driving motor 501 is located inside box 1, and heat dissipation fan 7 is installed at driving motor 501 afterbody, carries out the heat dissipation through heat dissipation fan 7 to the inside driving motor 501 of motor case 5 and handles, reduces thermal piling up.

Further, brush strip 11 is located between flabellum 10 and the metal dustproof mesh plate 8, brush strip 11 and the laminating of metal dustproof mesh plate 8 mutually, in driving motor 501 work, 7 synchronous workings of heat dissipation fan, 7 wind drive flabellum 10 that blow off of heat dissipation fan rotate with 9 axle centers of axle bed relative metal dustproof mesh plate 8, in drive flabellum 10 pivoted, drive brush strip 11 and carry out the circumference to metal dustproof mesh plate 8 and clean, the accumulation of 8 surperficial dusts of effectual reduction metal dustproof mesh plate and spacing sweeps, and the heat radiating effect is improved.

Further, the welding of box 1 upper surface has rings 3, and 1 lateral wall installation protection casing 4 of box, protection casing 4 cup joint in 5 one ends of motor case, conveniently lifts by crane box 1 through rings 3, and protection casing 4 protects the inside driving motor 501 transmission end of motor case 5, improves the security of using.

Further, motor case 5 is inside to be bonded to have inhales the sound cotton 6, inhales the sound cotton 6 and has fine sound and the effect that gives sound insulation of inhaling, and the noise that effectual reduction driving motor 501 during operation produced is favorable to improving operational environment's comfort level.

Further, the rubber protection convex pads 2 are installed on the two side walls and the front face of the box body 1, the rubber protection convex pads 2 are used for performing anti-collision and wear-resistant protection on the two side walls and the front face of the box body 1, the two side walls and the front face of the box body 1 are prevented from deforming, and the service life is prolonged.

The utility model discloses a theory of operation and use flow: the end face of the motor box 5 is arranged in an open mode, the open end of the motor box 5 is detachably connected with a metal dustproof screen plate 8, the middle position of the outer surface of the metal dustproof screen plate 8 is rotatably connected with a shaft seat 9, a fan blade 10 is inserted into one side of the shaft seat 9, a brush strip 11 is installed on the surface of the fan blade 10, when the driving motor 501 works, a heat dissipation fan 7 synchronously works, wind blown by the heat dissipation fan 7 drives the fan blade 10 to rotate relative to the metal dustproof screen plate 8 through the shaft center of the shaft seat 9, the brush strip 11 is driven to circumferentially clean the metal dustproof screen plate 8 while the fan blade 10 is driven to rotate, accumulation of dust and limiting scraps on the surface of the metal dustproof screen plate 8 is effectively reduced, and the heat dissipation effect is improved; the inside complex of box 1 has noise reduction assembly 12, noise reduction assembly 12 includes foam-rubber cushion 13, foam-cotton board 14 and rubber plastic board 15, foam-rubber cushion 13 complex is at 1 inner wall of box, foam-cotton board 14 complex is moulded between board 15 and foam-rubber cushion 13 at the rubber, noise reduction assembly 12's foam-rubber cushion 13, foam-cotton board 14 and rubber plastic board 15 all have fine syllable-dividing noise reduction performance, the noise that effectual 1 inside transmission assembly of reduction box produced, improve operational environment's comfort level.

It is noted that, herein, relational terms such as first and second, and the like may be 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 phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims (6)

1. The utility model provides a low noise has box centrifugal fan from heat dissipation function, includes box (1), motor case (5), driving motor (501) and heat dissipation fan (7), its characterized in that: the motor case (5) terminal surface is open type setting, and the open end of motor case (5) can be dismantled and connect metal dustproof otter board (8), metal dustproof otter board (8) surface intermediate position rotates and connects axle bed (9), it has flabellum (10) to peg graft in axle bed (9) one side, flabellum (10) surface mounting brush strip (11), box (1) inside complex has noise reduction assembly (12), noise reduction assembly (12) include foam-rubber cushion (13), foam-cotton board (14) and rubber plastic board (15), foam-rubber cushion (13) complex is at box (1) inner wall, foam-cotton board (14) complex is between rubber plastic board (15) and foam-rubber cushion (13).

2. The box-type centrifugal fan with low noise and self-heat dissipation function according to claim 1, characterized in that: the motor box (5) is installed above the box body (1), the driving motor (501) is located inside the box body (1), and the heat dissipation fan (7) is installed at the tail of the driving motor (501).

3. The box-type centrifugal fan with low noise and self-heat dissipation function according to claim 1, characterized in that: the brush strip (11) is positioned between the fan blade (10) and the metal dustproof screen plate (8), and the brush strip (11) is attached to the metal dustproof screen plate (8).

4. The box-type centrifugal fan with low noise and self-heat dissipation function according to claim 1, characterized in that: the improved motor box is characterized in that the upper surface of the box body (1) is welded with a hanging ring (3), the side wall of the box body (1) is provided with a protective cover (4), and the protective cover (4) is sleeved at one end of the motor box (5).

5. The box-type centrifugal fan with low noise and self-heat dissipation function according to claim 1, characterized in that: the sound-absorbing cotton (6) is bonded inside the motor box (5).

6. The box-type centrifugal fan with low noise and self-heat dissipation function according to claim 1, characterized in that: the two side walls and the front surface of the box body (1) are provided with rubber protection convex pads (2).

Images