CN217842071U - Low-noise heat dissipation type axial flow fan - Google Patents

Abstract

The utility model discloses a heat-dissipating axial flow fan with low noise, specifically relates to the technical field of axial flow fans, comprising a heat-conducting metal casing, a motor and fan blades arranged inside the heat-conducting metal casing, and a heat-conducting metal casing is provided with a cooling fan outside the heat-conducting metal casing. Noise mechanism; the noise reduction mechanism includes two shock absorbers, the two shock absorbers are respectively arranged on both sides of the heat-conducting metal shell, the top of the shock absorber is provided with an L-shaped support rod, and the L-shaped The support rod is set on the outside of the heat-conducting metal shell, and the bottom end of the shock absorber is fixed with a T-shaped support seat, and the T-shaped support seat is set on the outside of the heat-conducting metal shell. noise. The front and rear sides of the heat-conducting metal shell are provided with protective nets. The utility model has a better noise reduction function, and prevents the vibration generated during the operation of the motor from making the device generate greater noise, and the polyurethane foam has the function of shock resistance and compression resistance, further reducing noise.

Description

A low-noise heat-dissipating axial flow fan

technical field

The utility model relates to the technical field of axial flow fans, in particular to a low-noise heat dissipation axial flow fan.

Background technique

Axial flow fans have a wide range of uses, that is, the airflow in the same direction as the axis of the fan blades, such as electric fans and air conditioner external fans are axial flow fans. They are called axial fans because the gas flows parallel to the axis of the fan. Axial flow fans are usually used in occasions with high flow requirements and low pressure requirements. Axial fans hold the position and move the air. The axial flow fan is mainly composed of the fan impeller and the casing. The structure is simple but the data requirements are very high.

Axial flow fans can be used for ventilation in general factories, warehouses, offices, residences and other places. When the axial flow fans are working, the vibration generated by the motor during operation produces relatively large noise, which causes certain noise pollution to the use environment.

Utility model content

Therefore, the utility model provides a low-noise heat dissipation axial flow fan to solve the problems raised in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a low-noise heat-dissipating axial flow fan, including a heat-conducting metal shell, a motor and fan blades arranged inside the heat-conducting metal shell, and a cooling noise mechanism;

The noise reduction mechanism includes two shock absorbers, the two shock absorbers are respectively arranged on both sides of the heat-conducting metal shell, the top of the shock absorber is provided with an L-shaped support rod, and the L-shaped support rod is provided with a On the outside of the heat-conducting metal shell, the bottom end of the shock absorber is fixed with a T-shaped support seat, and the T-shaped support seat is arranged on the outside of the heat-conducting metal shell. The noise reduction mechanism reduces the noise generated by the operation of the device.

Further, protective nets are provided on the front and rear sides of the heat-conducting metal shell, and one side of the two protective nets is respectively in contact with the front and rear sides of the heat-conducting metal shell, and the heat-conducting metal shell and the protective net are locked by first bolts, The setting of the protective net prevents the operator from being injured near the device.

Further, a plurality of cooling fins are fixed inside the heat-conducting metal casing, and the plurality of cooling fins are arranged on the outside of the motor and the fan blades inside the heat-conducting metal casing.

Further, one end of the L-shaped support rod is fixedly connected to the outer side of the heat-conducting metal shell, and the bottom end of the shock absorber is fixedly provided with a fixing plate, and the bottom end of the fixing plate is in contact with the top end of the shock absorber. Or locked by the second bolt, it is convenient to disassemble between the shock absorber and the L-shaped support rod.

Further, a plurality of installation holes are opened on the T-shaped support base, and the installation holes pass through the T-shaped support base, and the T-shaped support base is fixed by bolts.

Further, the inner sides of the two T-shaped support seats are fixed with support rods, one side of the two support rods is in contact and locked by the third bolt and nut, and the heat-conducting metal shell is arranged above the support rods , the setting of the support rod makes it easy to fix between the two T-shaped support seats.

Further, the bottom end of the T-shaped support seat is fixed with polyurethane foam, and the polyurethane foam is processed with a through hole, and the through hole is arranged below the installation hole, so that fasteners such as bolts can pass through the T-shaped support seat. and polyurethane foam.

The utility model has the following advantages:

1. Use bolts and other fasteners to fix the T-shaped support seat and the polyurethane foam at the bottom end to the ground or fix it with other equipment. Start the device. When the device is working, the vibration generated by the motor passes through the two shock absorbers. Suppresses the shock when the spring rebounds after absorbing the shock and absorbs the shock. Compared with the existing technology, this device has a better noise reduction function, and prevents the vibration generated when the motor is running, which makes the device produce larger noise, and the polyurethane foam has shockproof Anti-pressure function, further reduce noise;

2. The heat generated by the motor of the device is transmitted to the heat-conducting metal shell, and the heat-conducting metal shell transmits the heat to a plurality of heat dissipation blades, and the heat dissipation blades dissipate the heat to the outside world. Unscrew the three bolts and nuts, and then unscrew the second bolt that fixes the shock absorber and the fixing plate, the shock absorber, T-shaped support seat and support rod can be separated from the fixing plate, and the gap between the heat-conducting metal shell and the protective net can be separated. When the fixed first bolt is unscrewed, the protective net can be removed from the heat-conducting metal shell. At this time, the fan blades inside the heat-conducting metal shell can be cleaned of dust and the internal motor can be overhauled. Compared with the prior art , the heat dissipation effect of the device is good, so that the service life of the device is extended, and the structure is flexible, the disassembly is convenient, and it is convenient for the dust removal and maintenance work of the device in the later stage.

Description of drawings

Fig. 1 is the overall front view structure schematic diagram provided by the utility model;

Fig. 2 is a schematic diagram of the rear view structure of Fig. 1 provided by the utility model;

Fig. 3 is a schematic view of the structure of Fig. 1 provided by the utility model;

Fig. 4 is a structural schematic diagram of the separation of the heat-conducting metal shell and the protective net provided by the utility model;

Fig. 5 is a structural schematic diagram of part A in Fig. 3 provided by the utility model;

In the figure: 1. Heat-conducting metal shell; 2. Heat dissipation blade; 3. Protective net; 4. First bolt; 5. L-shaped support rod; 6. Shock absorber; 7. Fixed plate; 8. Second bolt; 9 1. T-shaped support seat; 10. polyurethane foam; 11. support rod; 12. third bolt; 13. nut.

Detailed ways

The implementation of the present utility model is illustrated by specific specific examples below. Those who are familiar with this technology can easily understand other advantages and effects of the present utility model from the contents disclosed in this description. Obviously, the described embodiments are the embodiment of the present utility model. Some, but not all, embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to the accompanying drawings 1-5 of the specification, a low-noise heat dissipation axial flow fan of this embodiment includes a heat-conducting metal shell 1 and a motor and fan blades arranged inside the heat-conducting metal shell 1. The outer side of the heat-conducting metal shell 1 is provided with With noise reduction mechanism;

The noise reduction mechanism includes two shock absorbers 6, the two shock absorbers 6 are respectively arranged on both sides of the heat-conducting metal shell 1, and the top of the shock absorbers 6 is provided with an L-shaped support rod 5, the The L-shaped support rod 5 is arranged on the outside of the heat-conducting metal shell 1, and the bottom end of the shock absorber 6 is fixed with a T-shaped support seat 9, and the T-shaped support seat 9 is arranged on the outside of the heat-conducting metal shell 1 to reduce noise. The arrangement of the mechanism reduces the noise generated by the operation of the device.

The T-shaped support base 9 is provided with a plurality of installation holes and the installation holes run through the T-shaped support base 9, and the T-shaped support base 9 is fixed by bolts, and the inner sides of the two T-shaped support bases 9 are fixed with Support rod 11, one side of the two support rods 11 is in contact and locked by the third bolt 12 and nut 13, the heat-conducting metal shell 1 is arranged above the support rod 11, and the setting of the support rod 11 makes the two T-shaped The support seats 9 are convenient to fix, and the bottom end of the T-shaped support seat 9 is fixed with a polyurethane foam 10, and the polyurethane foam 10 is processed with a through hole, and the through hole is located below the mounting hole, which is convenient for bolts, etc. The fastener passes through the T-shaped support seat 9 and the polyurethane foam 10 .

Use fasteners such as bolts to fix the T-shaped support seat 9 and the polyurethane foam 10 at its bottom on the ground or fix it with other equipment, start the device, and when the device is working, the vibration generated by the motor passes through two shock absorbers 6 Inhibit the vibration of the spring when it rebounds after absorbing the shock, and reduce the noise generated by it. This device has a good noise reduction function, and prevents the vibration generated when the motor is running, which makes the device generate greater noise, and the polyurethane foam 10 has The anti-vibration and anti-pressure function can further reduce noise. This embodiment specifically solves the problem that in the prior art, when the axial flow fan is working, the vibration generated when the motor is running causes the device to generate relatively large noise.

Referring to the accompanying drawings 1-5 of the specification, a low-noise heat-dissipating axial flow fan of this embodiment, the inside of the heat-conducting metal shell 1 is fixed with a plurality of heat-dissipating blades 2, and the plurality of heat-dissipating blades 2 are all arranged on The motor inside the heat-conducting metal shell 1 and the outer side of the fan blade, the front and rear sides of the heat-conducting metal shell 1 are provided with protective nets 3, and one side of the two protective nets 3 is respectively in contact with the front and rear sides of the heat-conducting metal shell 1, so The heat-conducting metal shell 1 and the protective net 3 are locked by the first bolt 4, and the setting of the protective net 3 prevents the operator from being injured near the device.

One end of the L-shaped support rod 5 is fixedly connected to the outer side of the heat-conducting metal shell 1, and the bottom end of the shock absorber 6 is fixedly provided with a fixed plate 7, and the bottom end of the fixed plate 7 is connected to the top end of the shock absorber 6. contact and the two are locked by the second bolt 8, which facilitates disassembly between the shock absorber 6 and the L-shaped support rod 5.

The heat generated by the motor of the device is transmitted to the heat-conducting metal casing 1, and the heat-conducting metal casing 1 transfers the heat on it to a plurality of heat dissipation blades 2, and the heat dissipation blades 2 dissipate the heat on it to the outside, and the two support rods 11 The third bolt 12 and nut 13 connected are unscrewed, and then the second bolt 8 fixed to the shock absorber 6 and the fixed plate 7 is unscrewed, the shock absorber 6, the T-shaped support seat 9 and the support rod 11 can be connected to the fixed plate 7 Separate, unscrew the first bolt 4 fixed between the heat-conducting metal shell 1 and the protective net 3, then the protective net 3 can be removed from the heat-conducting metal shell 1, at this time, the fan blades inside the heat-conducting metal shell 1 can be To remove dust and overhaul the internal motor, the device has a better heat dissipation effect, which prolongs the service life of the device, and has a flexible structure and convenient disassembly, which is convenient for the later dust removal and maintenance work of the device. The method specifically solves the problem of poor cooling effect of large axial flow fans in the prior art.

Although the utility model has been described in detail with general description and specific examples above, some modifications or improvements can be made on the basis of the utility model, which will be obvious to those skilled in the art. Therefore, the modifications or improvements made on the basis of not departing from the spirit of the utility model all belong to the protection scope of the utility model.

Claims (7)

1. The utility model provides a heat dissipation type axial fan of low noise, includes heat conduction metal casing (1) and establishes at inside motor and the fan blade of heat conduction metal casing (1), its characterized in that: a noise reduction mechanism is arranged on the outer side of the heat conduction metal shell (1);

the noise reduction mechanism comprises two shock absorbers (6) and two shock absorbers (6) are respectively arranged on two sides of the heat conduction metal shell (1), an L-shaped supporting rod (5) is arranged on the top end of each shock absorber (6), the L-shaped supporting rod (5) is arranged on the outer side of the heat conduction metal shell (1), a T-shaped supporting seat (9) is arranged at the bottom fixing of each shock absorber (6), and the T-shaped supporting seat (9) is arranged on the outer side of the heat conduction metal shell (1).

2. The low-noise heat dissipation type axial flow fan according to claim 1, wherein: the heat conduction metal casing (1) is characterized in that protective nets (3) are arranged on the front side and the rear side of the heat conduction metal casing (1), one sides of the protective nets (3) are respectively in contact with the front side and the rear side of the heat conduction metal casing (1), and the heat conduction metal casing (1) and the protective nets (3) are locked through first bolts (4).

3. The low-noise heat dissipation type axial flow fan according to claim 1, wherein: the inside of heat conduction metal casing (1) is fixed and is equipped with a plurality of radiator vane (2), and is a plurality of radiator vane (2) all establish the outside at the inside motor of heat conduction metal casing (1) and fan blade.

4. The low-noise heat dissipation type axial flow fan according to claim 1, wherein: one end of the L-shaped support rod (5) is fixedly connected with the outer side of the heat-conducting metal shell (1), a fixing plate (7) is fixedly arranged at the bottom end of the shock absorber (6), the bottom end of the fixing plate (7) is in contact with the top end of the shock absorber (6), and the bottom end of the shock absorber and the shock absorber are locked through a second bolt (8).

5. The low-noise heat dissipation type axial flow fan according to claim 1, wherein: a plurality of mounting holes are formed in the T-shaped supporting seat (9) and penetrate through the T-shaped supporting seat (9).

6. The low-noise heat dissipation type axial flow fan according to claim 1, wherein: two the inboard of T shape supporting seat (9) all is fixed and is equipped with bracing piece (11), two one side contact of bracing piece (11) and through third bolt (12) and nut (13) locking, the top at bracing piece (11) is established in heat conduction metal casing (1).

7. The low-noise heat dissipation type axial flow fan according to claim 5, wherein: the bottom end fixing of T shape supporting seat (9) is equipped with polyurethane foam (10), processing has the through-hole on polyurethane foam (10), the through-hole is established in the below of mounting hole.

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