Novel blower with low noise

Abstract

The utility model relates to the technical field of hair driers, in particular to a novel low-noise hair drier which comprises a hair drier shell, a fixing frame seat is fixedly installed in the middle in the hair drier shell, a first bevel gear is fixedly installed at the upper end of a driving rod, second bevel gears are symmetrically arranged on the left side and the right side above the first bevel gear, and the second bevel gears are meshed with the first bevel gear in an insection mode. A connecting rod is fixedly installed on the end face of the outer side of the second bevel gear and penetrates out of the fixing frame base to be fixedly provided with a meshing gear. When the air compressor is used, air is pre-compressed through the air inlet fan and the double-layer fan, the air inlet amount of the air inlet fan is guaranteed, meanwhile, the working efficiency is greatly improved, the torque brought by the driving motor is reduced through convection, and therefore vibration and noise are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hair dryer technical field, concretely relates to low noise's novel hair dryer. BACKGROUND

[0002] Hair dryer is a commonly used household appliance, and using the hair dryer to dry the hair after bathing or washing the head can effectively prevent cold.

[0003] At present, the large air volume hair dryer is generally provided with a motor with turbine fan blades at the handle, and when the hair dryer works, air enters the hair dryer from the handle, and then is discharged from the air outlet at the shell, and the airflow flows from the handle to the shell after entering the hair dryer, and is turned to blow to the air outlet at the shell, and the airflow will produce chaotic airflow due to collision when turning in the hair dryer, which causes the vibration of the structure in the hair dryer to increase, resulting in the decrease of air outlet efficiency and the increase of noise. Therefore, the low noise novel hair dryer is provided by the person skilled in the art to solve the problems in the above background technology. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides low noise's novel hair dryer, including hair dryer shell, fixedly installed with fixed frame seat in the middle of hair dryer shell, fixedly installed with bevel gear no.

[0005] Preferably, the handle is fixedly installed at the lower end of the hair dryer shell, the driving motor is arranged in the handle, the driving rod is freely rotatable and arranged in the fixed frame seat, and the lower end of the driving rod is fixedly connected with the output shaft of the driving motor in the handle.

[0006] Preferably, the filter screen is fixedly installed at the air inlet at the rear end of the hair dryer shell, which can effectively reduce the impurities entering the hair dryer shell from the outside air, and can also homogenize the intake of the outside airflow, ensuring stable air intake.

[0007] Preferably, the double-layer fan is provided with outer ring blades and inner ring blades, the number of outer ring blades is greater than that of inner ring blades, and the number of blades of the outer ring blades, the inner ring blades and the air inlet fan is odd.

[0008] Preferably, the double-layer fan is provided with a flow guide ring fixedly arranged at the front end.

[0009] Preferably, the flow guide ring is provided with a plurality of spiral flow guide grooves, the air flow formed by the outer ring blades and the inner ring blades is first divided by the flow guide ring, the air flow is relieved and gathered after being guided by the flow guide grooves, the air flow impact is reduced, the noise generated by friction is reduced, and the air flow stability is ensured.

[0010] The technical effects and advantages of the utility model are as follows:

[0011] 1. When the utility model is used, the air is pre-compressed by the air inlet fan and the double-layer fan, the air inlet amount of the air inlet fan is ensured, the working efficiency is greatly increased, the torque of the driving motor is reduced by the convection, and the vibration and noise are reduced.

[0012] 2. When the utility model is used, the air flow formed by the outer ring blades and the inner ring blades is first divided by the flow guide ring, the air flow is relieved and gathered after being guided by the flow guide grooves, the air flow impact is reduced, the noise generated by friction is reduced, and the air flow stability is ensured. DRAWINGS

[0013] Fig. 1 is the structural schematic view provided by the application;

[0014] Fig. 2 is the structural schematic view of the fixed seat provided by the application;

[0015] Fig. 3 is the structural schematic view of the bevel gear two provided by the application;

[0016] In the drawing: 1, hair dryer shell; 2, handle; 3, filter screen; 4, fixed seat; 5, driving rod; 6, bevel gear one; 7, bevel gear two; 8, connecting rod; 9, gear; 10, limiting piece; 11, ring gear; 12, double-layer fan; 13, air inlet fan; 14, flow guide ring; 15, flow guide groove. DETAILED DESCRIPTION

[0017] The embodiments of the present application are presented by way of example and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use cases.

[0018] Please refer to Figs. 1-3 In the embodiment, the novel hair dryer with low noise is provided, which comprises a hair dryer shell 1, a handle 2 is fixedly installed at the lower end of the hair dryer shell 1, a driving motor is arranged in the handle 2, a filter screen 3 is fixedly installed at the air inlet at the rear end of the hair dryer shell 1, the filter screen 3 can effectively reduce the impurities in the outside air entering the hair dryer shell 1, and can also homogenize the outside air flow to ensure stable air intake, a fixed frame seat 4 is fixedly installed at the middle of the hair dryer shell 1, a driving rod 5 which can freely rotate is arranged in the fixed frame seat 4, and the lower end of the driving rod 5 is fixedly connected with the output shaft of the driving motor in the handle 2;

[0019] The oblique gear one 6 is fixedly installed on the upper end of the driving rod 5, the oblique gear two 7 is symmetrically arranged above the oblique gear one 6, the oblique gear two 7 is toothed with the oblique gear one 6, the connecting rod 8 is fixedly installed on the outer side end face of the oblique gear two 7, the meshing gear 9 is fixedly installed through the connecting rod 8 out of the fixed frame base 4, the limiting piece 10 is sleeved on the middle part of the front and rear end faces of the fixed frame base 4 and can rotate freely, the ring gear 11 is fixedly installed on the outer end of the limiting piece 10, the ring gear 11 is toothed with the meshing gear 9, the double-layer fan 12 is fixedly installed on the front end of the front ring gear 11, the outer ring fan blade and the inner ring fan blade are installed on the double-layer fan 12, the number of the outer ring fan blade is greater than that of the inner ring fan blade, the flow guide ring 14 is fixedly installed on the front end of the double-layer fan 12, a plurality of spiral flow guide grooves 15 are formed in the flow guide ring 14, the airflow formed by the outer ring fan blade and the inner ring fan blade is first divided in time through the flow guide ring 14, the air gathered due to different wind speeds is reduced to rub sharply, the airflow is relieved and gathered after being guided through the flow guide groove 15, so that the impact of the airflow is reduced, the noise generated by friction is reduced, the air volume is increased, the stability of air flow is ensured, the air inlet fan 13 is fixedly installed on the rear end of the rear ring gear 11, the number of the fan blades on the outer ring fan blade, the inner ring fan blade and the air inlet fan 13 is odd, the odd blades can reduce the resonance phenomenon caused by symmetry when rotating, so as to reduce the noise brought by the vibration process, the coaxial counterflow fan is formed between the air inlet fan 13 and the double-layer fan 12, so that the air inlet fan 13 and the double-layer fan 12 are pre-compressed during the air inlet process, the air inlet amount of the air inlet fan 13 is ensured, the working efficiency is greatly increased, the convection reduces the torque brought by the driving motor, so as to reduce the vibration and the noise.

[0020] The working principle of the utility model is:

[0021] The utility model discloses a handle 2's built-in drive motor drives the oblique gear one 6 on driving rod 5 to rotate, and the oblique gear one 6 is engaged with the tooth pattern between the oblique gear two 7, and the oblique gear two 7 is driven under the connection link 8, and makes the meshing gear 9 respectively with ring gear 11 carry out meshing rotation, makes double -deck fan 12 with air inlet fan 13 carries out convection, forms coaxial reverse, and the air of outside is inhaled by air inlet fan 13, passes through filter screen 3, can effectively reduce the impurity of outside air into hair dryer shell 1, also can carry out homogenization air intake to outside air leakage gas air intake, guarantees air intake stability, then air inlet fan 13 and double -deck fan 12 carry out air precompression, guarantee the air intake of air inlet fan 13 while, makes work efficiency increase greatly, and this convection reduces the torque of drive motor, thereby reduces vibration and noise, secondly through the air current ring 14, the air current that outside ring fan blade and inner ring fan blade formed carries out first time segmentation, reduces the intense friction condition of the air that double fan gathers because of different wind speed, makes the air current relieve gathering after guiding through the guide groove 15, thereby reduces the impact of air current, reduces the noise of friction, guarantees the stability of air flow.

[0022] Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art and related fields without creative labor should belong to the scope of the utility model protection. The structure, device and operation method not specifically described and explained in the utility model, like no special description and limitation, all implement according to conventional means in the field.

Claims

1. A new type of hair dryer with low noise, comprising a hair dryer casing (1), characterized in that, The fixed frame seat (4) is fixedly installed in the middle of the hair dryer shell (1), the bevel gear one (6) is fixedly installed on the upper end of the drive rod (5), the bevel gear two (7) is symmetrically arranged on the upper side of the bevel gear one (6), the bevel gear two (7) is engaged with the bevel gear one (6), the connecting rod (8) is fixedly installed on the outer side end surface of the bevel gear two (7), the meshing gear (9) is fixedly installed through the connecting rod (8) out of the fixed frame seat (4), the limiting piece (10) is sleeved on the middle of the front and rear end surfaces of the fixed frame seat (4) and can rotate freely, the ring gear (11) is fixedly installed on the outer end of the limiting piece (10), the ring gear (11) is engaged with the meshing gear (9), the double-layer fan (12) is fixedly installed on the front end of the front ring gear (11), the air inlet fan (13) is fixedly installed on the rear end of the rear ring gear (11), and the air inlet fan (13) and the double-layer fan (12) form a coaxial counterflow fan.

2. The new type of blower with low noise according to claim 1, characterized in that, The handle (2) is fixedly installed at the lower end of the hair dryer shell (1), a drive motor is arranged in the handle (2), and the drive rod (5) is rotatably arranged in the fixed frame seat (4).

3. A new type of blower with low noise according to claim 2, characterized in that, The filter screen (3) is fixedly installed at the air inlet of the rear end of the hair dryer shell (1).

4. The new type of blower with low noise according to claim 1, characterized in that, The outer ring fan blades and the inner ring fan blades are installed on the double-layer fan (12), the number of the outer ring fan blades is greater than that of the inner ring fan blades, and the number of the fan blades on the outer ring fan blades, the inner ring fan blades and the air inlet fan (13) is odd.

5. The low noise novel hair dryer as claimed in claim 4, wherein, The flow guide ring (14) is fixedly installed on the front end of the double-layer fan (12).

6. A low noise novel hair dryer as claimed in claim 5 wherein, A plurality of spiral flow guide grooves (15) are formed in the flow guide ring (14).

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