Noise reduction fan and humidification equipment

Abstract

The utility model relates to a noise reduction fan and humidifying equipment, the noise reduction fan comprises fan blades, a mounting seat and a motor, and the motor is arranged between the fan blades and the mounting seat; wherein the motor is an outer rotor motor, one end of a fixing shaft in the middle of the motor is rotatably connected with the fan blades, the other end of the fixing shaft is detachably installed on the installation base, and a damping part is arranged between the other end of the fixing shaft and the installation base. The damping part is arranged between the fixed shaft and the mounting seat, so that when the motor runs, the vibration of the fixed shaft is not excessively transmitted to the mounting seat to generate excessive noise, the purpose of reducing noise is achieved, a large-size fixed seat is not needed, and the cost is relatively low.

Description

Technical Field

[0001] The utility model relates to the field of fan equipment, in particular to a noise reduction fan and humidifying equipment. Background Art

[0002] The working noise of existing small fans or desktop fans is too loud, and most noise reduction technologies are to select a large-sized fixing base for the fan, and the fixing base is fixedly connected to the housing in at least four directions to make the fan more stable when working. However, the cost of this method is too high. Utility Model Content

[0003] In view of the above situation, it is necessary to provide a noise reduction fan and humidification device that solves at least one of the above problems.

[0004] A noise reduction fan comprises a fan blade, a mounting seat and a motor, wherein the motor is arranged between the fan blade and the mounting seat;

[0005] Among them, the motor is an outer rotor motor, one end of the fixed shaft in the middle of the motor can be rotatably connected to the fan blade, the other end of the fixed shaft can be detachably mounted on the mounting seat, and a shock absorbing part is arranged between the other end of the fixed shaft and the mounting seat.

[0006] A humidifying device, comprising a housing and a humidifying part, and also comprising the fan;

[0007] An air inlet and an air outlet are arranged on the housing, the fan is arranged at the air outlet, and the humidifying unit is arranged at the air inlet;

[0008] The fan is detachably fixed to the housing via the mounting seat, and the fan brings the water vapor in the humidifying part from the air inlet to the air outlet and blows it out to achieve a humidification function.

[0009] The fan has a shock-absorbing part arranged between the fixed shaft and the mounting seat so that when the motor is running, the vibration of the fixed shaft will not be excessively transmitted to the mounting seat to generate excessive noise, thereby achieving the purpose of noise reduction, and no large-sized fixing seat is required, so the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the structure of a noise reduction fan according to an embodiment of the utility model;

[0011] Figure 2 is another structural schematic diagram of the noise reduction fan of an embodiment of the utility model;

[0012] Figure 3 is a cross-sectional schematic diagram of a noise reduction fan according to an embodiment of the utility model;

[0013] Figure 4 is an exploded schematic diagram of a noise reduction fan according to an embodiment of the utility model;

[0014] Figure 5 It is a schematic diagram of the installation structure of the noise reduction fan of an embodiment of the utility model;

[0015] Figure 6 It is a structural schematic diagram of a humidifying device according to an embodiment of the utility model;

[0016] Figure 7 It is an explosion diagram of a humidifying device according to an embodiment of the utility model.

[0017] Reference numerals:

[0018] 100, fan blades;

[0019] 200, mounting seat;

[0020] 300, fixed axis; 310, first limiting portion; 320, fourth limiting portion;

[0021] 400, shock absorbing part; 410, second limiting part; 420, third limiting part;

[0022] 500, clamp;

[0023] 600, fan installation part;

[0024] 700, housing; 710, air inlet; 720, air outlet; 730, water level observation position;

[0025] 800. Humidification department. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model noise reduction fan and humidification device are further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0027] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "center", "longitudinal", "lateral", "up", "down", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0029] See also Figure 1-4 The utility model provides a noise reduction fan, comprising:

[0030] Fan blade 100;

[0031] Mounting seat 200;

[0032] A motor, disposed between the fan blade 100 and the mounting seat 200;

[0033] Among them, the motor is an external rotor motor, one end of the fixed shaft 300 in the middle of the motor can be rotatably connected to the fan blade 100, and the other end of the fixed shaft 300 can be detachably installed on the mounting seat 200, and a shock absorbing part 400 is arranged between the other end of the fixed shaft 300 and the mounting seat 200.

[0034] In this embodiment, the motor is an outer rotor motor, the rotor is mounted on the fan blade 100, the stator is located between the fan blade 100 and the mounting seat 200, the fixed shaft 300 is an extension of the stator or a shaft that passes through the stator and is fixedly mounted with the stator, and the fixed shaft 300 does not rotate with the rotor when the motor is working;

[0035] The two ends of the fixed shaft 300 are rotatably connected to the fan blade 100 and are mounted and fixed on the mounting seat 200, so that the fan blade 100 can rotate under the drive of the motor, and the fan blade 100 and the motor are both mounted and fixed on the mounting seat 200;

[0036] By setting the shock absorbing part 400 between the fixed shaft 300 and the mounting seat 200, when the motor is running, the vibration of the fixed shaft 300 will not be excessively transmitted to the mounting seat 200 to generate excessive noise, thereby achieving the purpose of noise reduction, and there is no need to use a large-sized fixing seat, which is low in cost.

[0037] Among them, the fan blade 100 can be configured as a motor mounting portion with a hollow middle portion, the motor is installed in the motor mounting portion, and the rotor is fittedly installed on the hollow inner wall.

[0038] In one embodiment, the diameter of the mounting seat 200 is smaller than the diameter of the hollowed-out portion in the middle of the fan blade 100;

[0039] In this embodiment, since the diameter of the mounting seat 200 is smaller than the diameter of the hollow portion in the middle of the fan blade 100, the wind fanned out by the fan blade 100 after rotation will not hit the mounting seat 200, thereby reducing wind noise.

[0040] In one embodiment, the shock absorbing part 400 may be made of silicone or rubber.

[0041] In one embodiment, a mounting hole is provided on the mounting seat 200, the other end of the fixed shaft 300 passes through the mounting hole, and the other end of the fixed shaft 300 forms a first limiting portion 310 extending outward on the side of the mounting hole away from the motor, and the first limiting portion 310 is used to limit the shock absorbing portion 400 from falling off from the other end of the fixed shaft 300, and the shock absorbing portion 400 is sleeved on the portion of the fixed shaft 300 located in the mounting hole.

[0042] In this embodiment, by setting the first limiting portion 310, after the fixed shaft 300 and the shock absorbing portion 400 are installed, the shock absorbing portion 400 cannot fall off from the other end of the fixed shaft 300, thereby further strengthening the installation of the shock absorbing portion 400. The shock absorbing portion 400 is installed on the portion of the fixed shaft 300 located in the installation hole, and the shock absorbing effect is better. When the fixed shaft 300 vibrates, the vibration will be preferentially absorbed by the shock absorbing portion 400 and then transmitted to the mounting seat 200, and the shock absorbing effect is better.

[0043] In one embodiment, the shape of the shock absorbing portion 400 corresponds to the gap between the fixed shaft 300 and the mounting seat 200 , and the top of the shock absorbing portion 400 extends outward from the side of the mounting hole away from the motor to form a second limiting portion 410 , and the second limiting portion 410 abuts against the first limiting portion 310 .

[0044] In this embodiment, by setting the second limiting portion 410, the diameter of the second limiting portion 410 exceeds the diameter of the mounting hole, thereby limiting the shock absorbing portion 400 from detaching from the mounting hole from the bottom of the mounting hole, and the first limiting portion 310 and the second limiting portion 410 cooperate to further limit the shock absorbing portion 400 from detaching from the mounting hole from the top of the mounting hole.

[0045] Specifically, when the shock absorbing part 400 is installed in the installation hole, it can be installed by interference fit according to actual conditions, so that the fixed shaft 300 can be fixedly installed in the installation hole.

[0046] In one embodiment, the second limiting portion 410 is further clamped and fixed by a clamp 500, and the clamp 500 is arranged between the second limiting portion 410 and the first limiting portion 310. The function of the clamp 500 is mainly to press the second limiting portion 410 and cushion the first limiting portion 310, so that the connection between the second limiting portion 410 and the first limiting portion 310 is tighter.

[0047] In one embodiment, the shock absorbing portion 400 is provided with a third limiting portion 420 at a side of the mounting hole away from the first limiting portion 310 .

[0048] In this embodiment, by providing the third limiting portion 420 and cooperating with the second limiting portion 410, the shock absorbing portion 400 is completely fixed in the mounting hole, which is more stable and has a better shock absorbing effect during operation.

[0049] In one embodiment, the fixed shaft 300 is provided with a fourth limiting portion 320 corresponding to the third limiting portion 420 , the fourth limiting portion 320 is provided below the third limiting portion 420 , and the third limiting portion 420 abuts against the fourth limiting portion 320 .

[0050] In this embodiment, by providing the fourth limiting portion 320, the third limiting portion 420 is further squeezed when installing the fixed shaft 300, so that the shock absorbing portion 400 is installed more firmly, fits more closely to the fixing seat, and has a better shock absorbing effect.

[0051] In one embodiment, a plurality of conducting holes are disposed in the middle of the shock absorbing portion 400 .

[0052] In this embodiment, by providing a conducting hole on the shock absorbing part 400 , the shock absorbing part 400 can be deformed in the radial direction, so that the shock absorbing part 400 can be conveniently installed in the installation hole after being sleeved on the fixed shaft 300 .

[0053] In one embodiment, the conducting hole passes through the shock absorbing portion 400 .

[0054] In this embodiment, the deformation effect of the shock absorbing part 400 is better.

[0055] In one embodiment, a plurality of the via holes are arranged in a circular shape, and an extending direction of the via holes forms an angle difference with a radial direction.

[0056] In this embodiment, the deformation effect of the shock absorbing part 400 is better, and the shock absorbing part 400 will not shake after installation, so the shock absorbing effect is ensured while the fan will not shake.

[0057] See also Figure 5-7 , a humidifying device, comprising a housing 700 and a humidifying unit 800, and also comprising the fan;

[0058] The housing 700 is provided with an air inlet 710 and an air outlet 720 , the fan is provided at the air outlet 720 , and the humidifying unit 800 is provided at the air inlet 710 ;

[0059] The fan is detachably fixed to the housing 700 via the mounting seat 200 . The fan brings the water vapor in the humidifying part 800 from the air inlet 710 to the air outlet 720 and blows it out to achieve a humidification function.

[0060] In this embodiment, the noise reduction function of the humidification device is better by installing the fan in the above embodiment.

[0061] In one embodiment, the housing 700 is configured with an air outlet 720 at the top and an air inlet 710 at the side. The fan is detachably fixed to the top of the housing 700, and when in operation, the air is humidified through the humidifying unit 800 from the air inlet 710 and then blown out of the air outlet 720 to achieve the purpose of humidification.

[0062] In one embodiment, a fan mounting portion 600 is further provided. The fan is installed in the fan mounting portion 600 through the mounting seat 200. The fan mounting portion 600 has protective fences respectively provided at the front and rear of the fan. The fan mounting portion 600 can be detachably installed in the housing 700.

[0063] In one embodiment, the outer shell 700 includes a lower shell and an upper shell, the upper shell fixes the fan, an air outlet 720 is arranged on the top of the upper shell, an air inlet 710 is arranged on the peripheral side of the upper shell or the lower shell, the humidifying part 800 includes a cylindrical water absorption part, the fan blade 100 is arranged corresponding to the middle of the water absorption part, and the side surface of the water absorption part partially covers the air inlet 710.

[0064] In this embodiment, water is added to the lower shell, the water absorption part is placed in the lower shell, and absorbs water. When the fan is working, wind is brought into the outer shell 700 from the air inlet 710, first passes through the water absorption part that absorbs water, forms wind with water vapor, and then climbs upward in the middle and blows out from the air outlet 720.

[0065] An annular limiting portion corresponding to the shape of the water absorbing portion is arranged at the bottom of the lower shell, and the water absorbing portion can be placed in the annular limiting portion to avoid shaking or shifting during operation.

[0066] In one embodiment, the lower shell is provided with a water level observation position 730 .

[0067] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A noise reduction fan, characterized in that: include: Fan blades; Mounting seat; A motor is arranged between the fan blade and the mounting seat; Among them, the motor is an outer rotor motor, one end of the fixed shaft in the middle of the motor can be rotatably connected to the fan blade, the other end of the fixed shaft can be detachably mounted on the mounting seat, and a shock absorbing part is arranged between the other end of the fixed shaft and the mounting seat.

2. The noise reduction fan according to claim 1, characterized in that: A mounting hole is provided on the mounting seat, and the other end of the fixed shaft passes through the mounting hole, and the other end of the fixed shaft forms a first limiting portion extending outwardly on the side of the mounting hole away from the motor, and the first limiting portion is used to limit the shock absorbing portion from falling off from the other end of the fixed shaft, and the shock absorbing portion is sleeved on a portion of the fixed shaft located in the mounting hole.

3. The noise reduction fan according to claim 2, characterized in that: The shape of the shock absorbing portion corresponds to the gap between the fixed shaft and the mounting seat, and the top of the shock absorbing portion extends outwardly from the side of the mounting hole away from the motor to form a second limiting portion, and the second limiting portion abuts against the first limiting portion.

4. The noise reduction fan according to claim 3, characterized in that: The shock absorbing portion is provided with a third limiting portion at a side of the mounting hole away from the first limiting portion.

5. The noise reduction fan according to claim 4, characterized in that: The fixed shaft is provided with a fourth limiting portion corresponding to the third limiting portion, the fourth limiting portion is provided below the third limiting portion, and the third limiting portion abuts against the fourth limiting portion.

6. The noise reduction fan according to claim 1, characterized in that: A plurality of conducting holes are arranged in the middle of the shock absorbing part.

7. The noise reduction fan according to claim 6, characterized in that: The conducting hole penetrates the shock absorbing part.

8. The noise reduction fan according to claim 6 or 7, characterized in that: The plurality of via holes are arranged in a circular pattern, and an extending direction of the via holes forms an angle difference with a radial direction.

9. A humidifying device, comprising a housing and a humidifying unit, characterized in that: Also includes the fan according to any one of claims 1-8; An air inlet and an air outlet are arranged on the housing, the fan is arranged at the air outlet, and the humidifying unit is arranged at the air inlet; The fan is detachably fixed to the housing via the mounting seat, and the fan brings the water vapor in the humidifying part from the air inlet to the air outlet and blows it out to achieve a humidification function.

10. The humidifying device according to claim 9, characterized in that: The outer shell includes a lower shell and an upper shell, the upper shell fixes the fan, the top of the upper shell is provided with an air outlet, the upper shell or the lower shell is provided with an air inlet, the humidifying part includes a cylindrical water absorption part, the fan blades are provided corresponding to the middle of the water absorption part, and the side surface of the water absorption part partially covers the air inlet.

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