Fan

Abstract

The utility model discloses a fan, which relates to the technical field of life electric appliances and comprises a main machine-air inlet component and at least one air outlet unit. An air outlet capable of discharging air is formed in the air outlet unit; the air outlet unit is pivoted to the main machine-air inlet assembly, and the air outlet unit can swing in the pitching direction and / or the horizontal direction relative to the main machine-air inlet assembly. The utility model mainly solves the problem of how to integrate the advantages of an air circulation fan and a bladeless fan. By means of the morphological characteristics of the bladeless fan, the air outlet range which is almost spherical is achieved, the fan has the excellent functions of wide-angle air outlet, ventilation, indoor temperature balancing and the like, and meanwhile the fan has the excellent characteristics of being attractive in appearance, soft in wind feeling, high in safety (the fan blades are not exposed), not prone to dust accumulation of the fan blades and the like. The advantages of an air circulation fan and a bladeless fan are integrated, and some defects of the air circulation fan and the bladeless fan are overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to life electric appliance technical field, concretely is a fan. BACKGROUND

[0002] The fan has a wind outlet function and is a widely used electric appliance.

[0003] The air circulation fan is a common fan category, which can swing along a horizontal angle and a pitch angle at the same time, thereby obtaining a wide wind outlet angle, having a wide-angle wind outlet, ventilation, and a function of balancing indoor temperature.

[0004] The bladeless fan is also a common fan category, which has the characteristics of beautiful appearance, soft wind feeling, high safety (fan blades are not exposed), and dust accumulation of fan blades.

[0005] However, the air circulation fan in the prior art generally has a series of inherent problems of traditional fans, such as dust accumulation of fan blades, large noise, non-soft wind feeling, and certain safety hazards caused by exposed fan blades; and the bladeless fan in the prior art can only swing horizontally within a limited angle range, and it is difficult to obtain a wide wind outlet angle, thereby not having the functions of ventilation and balancing indoor temperature, and in addition, the air duct structure of the bladeless fan needs to be further improved.

[0006] In summary, how to integrate the advantages of the air circulation fan and the bladeless fan and overcome the partial disadvantages of the air circulation fan and the bladeless fan has become a problem to be solved. INVENTION CONTENTS

[0007] The utility model aims at providing a fan, which integrates the advantages of the air circulation fan and the bladeless fan and overcomes the partial disadvantages of the air circulation fan and the bladeless fan.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fan, which comprises a host-inlet assembly and at least one air outlet unit; the air outlet unit is provided with an air outlet capable of air outlet; the air outlet unit is pivoted at the host-inlet assembly, and the air outlet unit can swing in a pitch direction and / or a horizontal direction relative to the host-inlet assembly.

[0009] In the above technical scheme, the host-inlet assembly comprises a host shell and a fan device contained in the host shell; the air outlet unit is pivoted at the host shell of the host-inlet assembly, so that the internal space of the host shell and the internal space of the air outlet unit are communicated; the fan device can drive airflow into the air outlet unit and then jet out from the air outlet of the air outlet unit.

[0010] In the above technical solution, at least a portion of the main unit housing is provided with an air inlet grille unit; the air outlet unit includes an air inlet-main body and an air duct-air outlet connected to one end of the air inlet-main body, wherein the air outlet is disposed in the air duct-air outlet of the air outlet unit; the fan device can drive airflow from the air inlet grille unit into the main unit housing of the main unit-air inlet assembly, and run along the path of the main unit housing, the air inlet-main body of the air outlet unit and the air duct-air outlet until it is ejected from the air outlet of the air outlet unit.

[0011] In the above technical solution, the fan of this utility model further includes an air outlet unit oscillation power assembly; the air outlet unit oscillation power assembly includes an air outlet unit drive motor and an air outlet unit transmission assembly; the air outlet unit drive motor of the air outlet unit oscillation power assembly is housed and fixed in the main body housing of the main body-inlet assembly; at least a part of the air outlet unit transmission assembly of the air outlet unit oscillation power assembly is poweredly connected to the air outlet unit drive motor, and at least another part is connected to the air inlet-main body of the air outlet unit, so that the air outlet unit drive motor can drive the air outlet unit to oscillate through the air outlet unit transmission assembly.

[0012] In the above technical solution, the air outlet unit transmission assembly of the air outlet unit swing power component includes an air outlet unit drive gear and an air outlet unit driven gear ring; the air outlet unit drive gear is poweredly connected to the air outlet unit drive motor; the air outlet unit driven gear ring of the air outlet unit swing power component is fixed to the air inlet-main body of the air outlet unit; the air outlet unit drive gear and the air outlet unit driven gear ring mesh with each other.

[0013] In the above technical solution, the host-air inlet assembly can swing horizontally and / or pitch together with the air outlet unit.

[0014] In the above technical solution, the fan of this utility model further includes a main unit oscillation power assembly; the main unit oscillation power assembly includes a main unit drive motor and a main unit transmission assembly; the main unit drive motor of the main unit oscillation power assembly is housed and fixed in the main unit housing of the main unit-air intake assembly; at least a part of the main unit transmission assembly of the main unit oscillation power assembly is poweredly connected to the main unit drive motor, and at least another part is fixed to a fixed object, so that the main unit drive motor can drive the main unit-air intake assembly to oscillate in the main unit direction through the main unit transmission assembly.

[0015] In the above technical solution, the host transmission group of the host swing power assembly includes a host drive gear and a host fixed gear; the host drive gear is poweredly connected to the host drive motor; the host fixed gear is fixed to a fixed object; the host drive gear and the host fixed gear mesh with each other.

[0016] In the technical scheme, the air guide distribution shell is arranged in the main machine shell, and is used for guiding air flow from the fan device to each air outlet unit.

[0017] In the technical scheme, the interactive panel is arranged at the main machine-air inlet assembly, and the interactive panel is static relative to the main machine-air inlet assembly.

[0018] Compared with the prior art, the fan has the advantages that: the air outlet unit of the fan can swing in the pitching direction and / or the horizontal direction relative to the main machine-air inlet assembly, so that the fan has the characteristics of the bladeless fan, and the fan has the advantages of wide-angle air outlet, ventilation, balanced indoor temperature, beautiful appearance, soft wind feeling, high safety (the fan blade is not exposed), and the fan blade is not easy to accumulate dust, and the fan integrates the advantages of the air circulation fan and the bladeless fan, and overcomes some disadvantages of the air circulation fan and the bladeless fan. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the utility model.

[0020] Figure 2 It is an exploded view of the utility model.

[0021] Figure 3 It is a sectional view of the utility model.

[0022] Figure 4 It is a structure view of the air outlet unit swing power assembly in the utility model.

[0023] Figure 5 It is a structure view of the main machine swing power assembly in the utility model.

[0024] The reference signs are: 1, main machine-air inlet assembly; 11, main machine shell; 111, air inlet hole grid unit; 112, interactive panel; 113, air outlet connecting hole; 12, fan device; 13, air guide distribution shell; 131, air guide rib; 2, air outlet unit; 21, air inlet-main body part; 22, air duct-air outlet part; 221, air outlet; 3, air outlet unit swing power assembly; 31, air outlet unit driving motor; 32, air outlet unit driving gear; 33, air outlet unit driven gear ring; 4, main machine swing power assembly; 41, main machine driving motor; 42, main machine driving gear; 43, main machine fixed gear; 5, base-supporting mechanism. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor are within the scope of protection of the present utility model.

[0026] The embodiment provides a fan which can be used for air outlet, so as to realize common blowing, ventilation and air exchange and indoor temperature balancing functions.

[0027] Please refer to Figures 1-5 The fan of the embodiment comprises a host air intake assembly 1 and at least one air outlet unit 2.

[0028] The air outlet unit 2 is provided with an air outlet 221 which can be used for air outlet.

[0029] The air outlet unit 2 is pivoted at the host air intake assembly 1, and the air outlet unit 2 can swing in the pitching direction and / or the horizontal direction relative to the host air intake assembly 1.

[0030] Specifically, the host air intake assembly 1 comprises a host housing 11 and a fan device 12 accommodated in the host housing 11; the host housing 11 is a generally cylindrical engineering plastic shell, and the fan device 12 is a turbine fan driven by a motor (preferably a brushless direct current motor) which can drive air flow to generate air flow; the air outlet unit 2 is pivoted at the host housing 11 of the host air intake assembly 1, so that the internal space of the host housing 11 is communicated with the internal space of the air outlet unit 2; the fan device 12 can drive the air flow into the air outlet unit 2 until the air flow is jetted out from the air outlet 221 of the air outlet unit 2.

[0031] Please refer to Figure 2 and Figure 3, at least one part of the main shell 11 is provided with an air inlet grille unit 111; specifically, the air inlet grille unit 111 is a shell with a plurality of mesh holes / mesh grilles, which can be directly integrally formed with a plurality of mesh holes / mesh grilles at the main shell 11 to form the air inlet grille unit 111, or a plurality of mesh holes / mesh grilles can be integrally formed at another shell of engineering plastic material or metal material, and the shell is coaxially fixedly connected (for example, buckling fixed) on the main shell 11 to form the air inlet grille unit 111; the air outlet unit 2 includes an air inlet-main body part 21, and an air duct-air outlet part 22 connected to one end of the air inlet-main body part 21, wherein the air outlet 221 is arranged at the air duct-air outlet part 22 of the air outlet unit 2, in this embodiment, the air outlet unit 2 is an integrally formed engineering plastic material member, the air inlet-main body part 21 thereof is cylindrical, and the air duct-air outlet part 22 thereof is runway-shaped, the internal spaces of the two are in communication with each other, the airflow in the air inlet-main body part 21 can flow into the air duct-air outlet part 22, and be uniformly jetted out from the air outlet 221; the fan device 12 can drive the airflow to enter the main shell 11 of the main air inlet assembly 1 from the air inlet grille unit 111, and run along the path of the main shell 11, the air inlet-main body part 21 and the air duct-air outlet part 22 of the air outlet unit 2, and be jetted out from the air outlet 221 of the air outlet unit 2; in this embodiment, the main shell 11 of the main air inlet assembly 1 is provided with an air outlet connecting hole 113 on the side surface, the air outlet connecting hole 113 is actually a through hole penetrating through the side wall of the main shell 11, the end part of the air inlet-main body part 21 of the air outlet unit 2 is formed with a pivot shaft (not shown in the figure), the pivot shaft is a hollow shaft with open ends, the pivot shaft of the air outlet unit 2 penetrates into the air outlet connecting hole 113 of the main shell 11, so that the pivot connection between the air outlet connecting arm unit and the main shell 11 is realized, at this time, the internal space of the main shell 11 is in communication with the internal space of the air outlet unit 2.

[0032] Please refer to Figures 2-4 Specifically, the fan of this embodiment further includes an air outlet unit swing power assembly 3; the air outlet unit swing power assembly 3 includes an air outlet unit driving motor 31 and an air outlet unit 2 transmission group, wherein the air outlet unit driving motor 31 is a small-sized motor driven by direct current; the air outlet unit driving motor 31 of the air outlet unit swing power assembly 3 is accommodated and fixed in the main shell 11 of the main air inlet assembly 1; the air outlet unit 2 transmission group of the air outlet unit swing power assembly 3 is at least partially connected with the air outlet unit driving motor 31 in power, and at least partially connected with the air inlet-main body part 21 of the air outlet unit 2, so that the air outlet unit driving motor 31 can drive the air outlet unit 2 to swing through the air outlet unit 2 transmission group.

[0033] Further specifically, the air outlet unit 2 transmission group of the air outlet unit swing power assembly 3 comprises an air outlet unit driving gear 32 and an air outlet unit driven gear ring 33, wherein the air outlet unit driving gear 32 is a metal gear or a gear made of engineering plastic, and the air outlet unit driven gear ring 33 is a metal gear ring or a gear ring made of engineering plastic; the air outlet unit driving gear 32 is in power connection with the air outlet unit driving motor 31, in this embodiment, the air outlet unit driving gear 32 is sleeved on the rotating shaft of the air outlet unit driving motor 31 and is in profiled cooperation with the rotating shaft of the air outlet unit driving motor 31; the air outlet unit driven gear ring 33 of the air outlet unit swing power assembly 3 is fixed with the air inlet-main body part 21 of the air outlet unit 2, in this embodiment, the air outlet unit driven gear ring 33 is embedded and fixed at the inner wall of the air inlet-main body part 21 of the air outlet unit 2, and the two are fixed with each other through buckles or screws; the air outlet unit driving gear 32 and the air outlet unit driven gear ring 33 are in meshing with each other.

[0034] In this embodiment, the air outlet unit 2 is horizontally arranged, when the air outlet unit driving motor 31 operates, it can drive the air outlet unit driving gear 32 to rotate, and in turn drive the air outlet unit driven gear ring 33 to rotate, the air outlet unit driven gear ring 33 which is fixed with the air inlet-main body part 21 of the air outlet unit 2 can drive the air outlet unit 2 to swing in the pitch direction, in this way, the air outlet unit swing power assembly 3 can drive the entire air outlet unit 2 to swing in the pitch direction relative to the main machine-air inlet assembly 1.

[0035] It can be understood that in other embodiments, when the air outlet unit 2 is vertically arranged, the air outlet unit swing power assembly 3 can drive the entire air outlet unit 2 to swing in the horizontal direction relative to the main machine-air inlet assembly 1.

[0036] Further, the main machine-air inlet assembly 1 can swing in the horizontal direction and / or the pitch direction together with the air outlet unit 2.

[0037] Please refer to Figure 2 and Figure 5 , specifically, the fan of this embodiment further comprises a main machine swing power assembly 4; the main machine swing power assembly 4 comprises a main machine driving motor 41 and a main machine transmission group, wherein the main machine driving motor 41 is a small-sized motor driven by direct current; the main machine driving motor 41 of the main machine swing power assembly 4 is contained and fixed in the main machine housing 11 of the main machine-air inlet assembly 1; at least a part of the main machine transmission group of the main machine swing power assembly 4 is in power connection with the main machine driving motor 41, and at least another part thereof is fixed on a fixed object, so that the main machine driving motor 41 can drive the main machine-air inlet assembly 1 to swing in the main machine direction through the main machine transmission group.

[0038] Further specifically, the host transmission set of the host swing power assembly 4 comprises a host driving gear 42 and a host fixed gear 43, wherein the host driving gear 42 and the host fixed gear 43 are metal gears or gears made of engineering plastic; the host driving gear 42 is in power connection with the host driving motor 41, in this embodiment, the host driving gear 42 is sleeved on the rotating shaft of the host driving motor 41 and is in profile cooperation with the rotating shaft of the host driving motor 41; the host fixed gear 43 is fixed on a fixed object; the host driving gear 42 and the host fixed gear 43 are in meshing with each other.

[0039] The host fixed gear 43 is fixed on a fixed object, and when the host driving motor 41 operates, it can drive the host driving gear 42 to rotate and cooperate with the stationary host fixed gear 43, so that the host shell 11 of the host-air inlet assembly 1 swings (in this embodiment, it swings horizontally), in this way, the host swing power assembly 4 can drive the entire host-air inlet assembly 1, together with the entire air outlet unit 2, to swing horizontally.

[0040] The air outlet unit 2 is provided with a plurality of air outlet units 2, each air outlet unit 2 is arranged at different positions of the host-air inlet assembly 1, in this embodiment, the air outlet unit 2 is provided with two air outlet units 2, which are arranged on both sides of the host-air inlet assembly 1, accordingly, the air outlet unit swing power assembly 3 needs to be configured for each air outlet unit 2 to drive the air outlet unit 2 to swing in the pitch direction relative to the host-air inlet assembly 1.

[0041] Please refer to Figure 2 and Figure 3 , further, the host shell 11 is provided with an air guide distribution shell 13, wherein the air guide distribution shell 13 is an engineering plastic shell with an opening, which is fixed in the host shell 11 by snap or interference fit; the air guide distribution shell 13 is used to guide the airflow from the fan device 12 to each air outlet unit 2; in this embodiment, the air guide distribution shell 13 has a single air inlet opening and two air outlet openings, so as to be able to take in air from the fan device 12 and be distributed to two air outlet units 2.

[0042] Please refer to Figures 1-5 , further, the host-air inlet assembly 1 is provided with an interactive panel 112, and the interactive panel 112 is stationary relative to the host-air inlet assembly 1.

[0043] Specifically, the interactive panel 112 is arranged at one end of the main housing 11 of the main air intake assembly 1; the interactive panel 112 has a cover plate-shaped outer contour and is coaxially fixedly connected (for example, buckled and fixed) to the main housing 11; in this embodiment, the interactive panel 112, the air intake grille unit 111, and the main housing 11 are independently arranged and fixedly connected in sequence along the same axis, and the air outlet 221 at the outlet unit faces the same area as the interactive panel 112 at the main housing 11.

[0044] Further specifically, the interactive panel 112 is configured with at least one of a touch input device (also referred to as a touch key), a key input device (also referred to as a mechanical key or a micro-motion key), a rotary input device (also referred to as a mechanical rotary or a micro-motion rotary), a touch screen input device, and an infrared signal receiver (for receiving a control signal of an infrared remote controller).

[0045] Further specifically, the interactive panel 112 is configured with at least one of a display screen indicator, an indicator light, and a sound indicator.

[0046] When the fan device 12 of the fan of this embodiment is running, it can drive the airflow to enter the main housing 11 of the main air intake assembly 1 from the air intake grille unit 111, and then enter the air guide distribution housing 13. When the airflow contacts the air guide ribs 131 of the air guide distribution housing 13, the air guide ribs 131 that slope downward in the direction of the two air outlet units 2 can guide the airflow to run and distribute the airflow to the two air outlet units 2 in a substantially equal manner. The airflow continues to run along the air outlet units 2 until it is jetted out from the air outlets 221 of the air outlet units 2.

[0047] Specifically, the fan of this embodiment further includes a base-supporting mechanism 5 for supporting the main air intake assembly 1; in this embodiment, the base-supporting mechanism 5 includes a base and a vertical rod, and the main housing 11 of the main air intake assembly 1 is fixedly / pivotally connected to the top end of the vertical rod, so that the base-supporting mechanism 5 supports the main air intake assembly 1.

[0048] It should be noted that, in this embodiment, the air outlet unit driving motor 31 of the air outlet unit swing power assembly 3 is fixed in the air guide distribution housing 13 of the main air intake assembly 1 by screws or buckles; the main housing driving motor 41 of the main housing swing power assembly 4 is fixed in the main housing 11 of the main air intake assembly 1 by screws or buckles; and the main housing fixing gear 43 of the main housing swing power assembly 4 is embedded and fixed at the top end of the vertical rod of the base-supporting mechanism 5.

[0049] The fan of the embodiment has the interactive panel 112 arranged at one end of the main machine shell 11 of the main machine-air inlet assembly 1, and when the air outlet unit 2 swings in the pitching direction, the interactive panel 112 is still in a static state, so that the interactive panel 112 can always face the user, and the interactive panel 112 is not affected by the movement of the air outlet unit 2, thereby improving the convenience of the user when operating the interactive panel 112.

[0050] In addition, the fan of the embodiment has the interactive panel 112 arranged at one end of the main machine shell 11 of the main machine-air inlet assembly 1, so that the interactive panel 112 is closer to the installation position of the fan device 12, thereby shortening the wiring distance of the cable (whether it is a power line or a data line), and compared with the fan which needs to rely on the mesh cover for wiring, the fan of the embodiment has the characteristics of shorter wiring distance and simpler wiring process.

[0051] The fan of the embodiment has at least the following fluid mechanics and mechanical characteristics:

[0052] 1. Each air outlet unit 2 can swing in the same direction and angular velocity, or can swing in different directions or angular velocities, so that the air outlet 221 of each air outlet unit 2 points to different directions, thereby simultaneously obtaining more air outlet angles, and making the air circulation effect better.

[0053] 2. The air outlet unit 2 is arranged in a plurality of air outlet units, which provides sufficient fluid mechanics space, so that the airflow can smoothly flow among the air outlet units 2, thereby making the airflow entering the air outlet 221 more uniform.

[0054] The fan of the embodiment has the air outlet unit 2 capable of swinging in the pitching direction and / or the horizontal direction relative to the main machine-air inlet assembly 1, thereby realizing the nearly spherical air outlet range in the form of the bladeless fan, so that the fan has the excellent functions of wide-angle air outlet, ventilation and air exchange, and balanced indoor temperature, and also has the excellent characteristics of beautiful appearance, soft wind feeling, high safety (fan blades are not exposed), and fan blades are not easy to accumulate dust, that is, the advantages of the air circulation fan and the bladeless fan are integrated, and part of the shortcomings of the air circulation fan and the bladeless fan are overcome.

[0055] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fan, characterized in that, Includes a main unit-air intake assembly, and at least one air outlet unit; The air outlet unit is equipped with an air outlet capable of discharging air; The air outlet unit is pivotally connected to the main unit-inlet assembly, and the air outlet unit is capable of pitching and / or oscillating relative to the main unit-inlet assembly.

2. The fan according to claim 1, characterized in that, The host-air intake assembly includes a host housing and a fan unit housed within the host housing; The air outlet unit is pivotally connected to the main unit housing of the main unit-air inlet assembly, so that the internal space of the main unit housing is connected to the internal space of the air outlet unit; The fan device can drive airflow into the air outlet unit until it is ejected from the air outlet of the air outlet unit.

3. The fan according to claim 2, characterized in that, At least a portion of the main unit housing is provided with an air inlet grille unit; The air outlet unit includes an air inlet-body section and an air duct-air outlet section connected to one end of the air inlet-body section, wherein the air outlet is disposed in the air duct-air outlet section of the air outlet unit; The fan device can drive airflow from the air inlet grille unit into the main unit housing of the main unit-air inlet assembly, and run along the path of the main unit housing, the air inlet-body part and the air duct-air outlet part of the air outlet unit, until it is jetted out from the air outlet of the air outlet unit.

4. The fan according to claim 3, characterized in that, It also includes the air outlet unit oscillation power component; The air outlet unit swing power assembly includes an air outlet unit drive motor and an air outlet unit transmission assembly; The air outlet unit oscillating power assembly's air outlet unit drive motor is housed and fixed within the main unit housing of the main unit-inlet assembly. The air outlet unit oscillation power assembly of the air outlet unit has at least a portion connected to the air outlet unit drive motor and at least another portion connected to the air inlet-main body of the air outlet unit, so that the air outlet unit drive motor can drive the air outlet unit to oscillate through the air outlet unit oscillation assembly.

5. The fan according to claim 4, characterized in that, The air outlet unit oscillating power assembly includes an air outlet unit drive gear and an air outlet unit driven gear ring. The drive gear of the air outlet unit is powered by the drive motor of the air outlet unit; The driven gear ring of the air outlet unit of the swing power assembly is fixed to the air inlet-main body of the air outlet unit; The drive gear of the air outlet unit meshes with the driven gear ring of the air outlet unit.

6. The fan according to claim 2, characterized in that, The main unit-air intake assembly, together with the air outlet unit, can swing horizontally and / or pitch.

7. The fan according to claim 6, characterized in that, It also includes the main unit's swing power component; The main swing power assembly includes a main drive motor and a main transmission assembly. The main drive motor of the main swing power assembly is housed and fixed in the main housing of the main unit-air intake assembly; The host swing power assembly has at least one part connected to the host drive motor and at least another part fixed to a fixed object, so that the host drive motor can drive the host-air intake assembly to swing in the host direction through the host transmission assembly.

8. The fan according to claim 7, characterized in that, The main drive assembly of the main swing power component includes a main drive gear and a main stationary gear. The main drive gear is powered by the main drive motor. The main unit fixing gear is fixed to a fixed object; The main drive gear meshes with the main stationary gear.

9. The fan according to any one of claims 2-8, characterized in that, An air distribution shell is provided inside the main unit casing; The air distribution shell is used to guide the airflow from the fan device to each of the air outlet units.

10. The fan according to claim 1, characterized in that, An interactive panel is provided at the main unit-air intake assembly, and the interactive panel is stationary relative to the main unit-air intake assembly.

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