CN210623151U

CN210623151U - Multifunctional fan

Info

Publication number: CN210623151U
Application number: CN201921614433.0U
Authority: CN
Inventors: 王伟毅
Original assignee: Shenzhen Yuanxingheng Technology Co Ltd
Current assignee: Shenzhen Yuanxingheng Technology Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-26
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a multifunctional fan, which comprises a base, a fan component and a connecting arm component, wherein the top end of the base is provided with a containing groove; the connecting arm assembly comprises at least two connecting arms and a hinge mechanism, and the end parts of the two adjacent connecting arms are hinged through the hinge mechanism; the connecting arm assembly is used for being unfolded after the connecting arms rotate towards the direction away from each other; the shell is hinged to the top end of the connecting arm at the top when the connecting arm assembly is in an unfolded state through the hinge mechanism; the bottom end of the connecting arm positioned at the lowest part is hinged in the accommodating groove through a hinge mechanism when the connecting arm assembly is in an unfolded state; the connecting arm assembly is used for being folded after the connecting arms rotate towards the direction close to each other and is contained in the containing groove; the hinge mechanism includes a damping member. The utility model discloses a multifunctional fan uses angularly adjustable.

Description

Multifunctional fan

Technical Field

The utility model relates to a fan technical field especially relates to a multifunctional fan.

Background

At present, along with the rising of the room price, more and more families tend to be miniaturized, and the miniaturized living environment needs to carry out reasonable regulation to the space of furniture household electrical appliances, for example more and more customization furniture, just like more and more household electrical appliances advocate the function of folding up again. The fan needs to be used for a long time in summer, and needs to be folded after the weather turns to be cool, but most of the structures of the existing fan are in a fixed form, or the size of the existing fan is small, so that the existing fan cannot be completely folded, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a multifunctional fan, which can ensure that a plurality of connecting arms of a connecting arm component are completely unfolded when in use, so that the fan is used in a vertical mode and has an adjustable angle; when the connecting arm assembly is not needed to be used, the connecting arms of the connecting arm assembly are folded and are contained in the containing grooves to be in a completely folded state.

The purpose of the utility model is realized by adopting the following technical scheme:

a multifunctional fan comprises a base, a fan component and a connecting arm component, wherein the top end of the base is provided with a containing groove; the connecting arm assembly comprises at least two connecting arms and a hinge mechanism, and the end parts of the two adjacent connecting arms are hinged through the hinge mechanism; the connecting arm assembly is used for being unfolded after the connecting arms rotate towards the direction away from each other; the shell is hinged to the top end of the connecting arm at the top when the connecting arm assembly is in an unfolded state through the hinge mechanism; the bottom end of the connecting arm positioned at the lowest part is hinged in the accommodating groove through the hinge mechanism when the connecting arm assembly is in an unfolded state; the connecting arm assembly is used for being folded after the connecting arms rotate towards the direction close to each other and is contained in the containing groove; the hinge mechanism comprises a damping member for preventing the connecting arm from rotating under the action of its own weight.

Preferably, the base comprises an upper cover, a lower cover and an upper cover driving assembly, and the upper cover is rotatably arranged on the lower cover; the top end face of the upper cover is provided with the accommodating groove; the upper cover driving assembly comprises a gear ring, a driving gear and a motor, and the gear ring is fixedly connected to the inner wall of the lower cover; the organism rigid coupling of motor is in the bottom of upper cover, and the pivot rigid coupling of motor has drive gear, drive gear and gear circle meshing and around gear circle motion under the drive of motor.

Preferably, the middle part of the upper cover is in pivot fit with the middle part of the lower cover through a bearing; the inner ring of the bearing is connected with the upper cover; and the outer ring of the bearing is connected with the lower cover.

Preferably, the motor is a reduction motor.

Preferably, an installation cavity is formed in the upper cover, a power supply assembly is arranged in the installation cavity, and a power line of the motor extends into the installation cavity and is electrically connected with the power supply assembly; the power supply assembly includes at least two batteries.

Preferably, the bottom end face of the base is fixedly connected with a non-slip mat.

Preferably, the fan assembly comprises a housing, a fan blade and a fan blade driving mechanism, wherein the fan blade is pivoted in the housing, and the fan blade driving mechanism is used for driving the fan blade to rotate; the shell comprises a fan front cover and a fan rear cover, and the fan rear cover forms a fan blade cavity for mounting the fan blades; the fan front cover is detachably packaged at the opening of the fan blade cavity.

Preferably, the fan front cover is fixedly connected with the opening of the fan blade cavity in a threaded fit mode.

Preferably, the end face of the shell is provided with a lamp ring, and a light-transmitting protective cover is packaged outside the lamp ring.

Preferably, the hinge mechanism comprises a hinge shaft and a silica gel ring, and the hinge shaft is connected to the end parts of the two adjacent connecting arms in a penetrating manner; a silica gel ring is clamped between the end parts of the two adjacent connecting arms; the hinged shaft penetrates out of the end parts of the connecting arms and is fixedly connected with a fixing part so that the end parts of two adjacent connecting arms clamp the silica gel ring.

Compared with the prior art, the beneficial effects of the utility model reside in that: a plurality of connecting arms of the connecting arm assembly are completely unfolded, so that the fan is used in a vertical mode, and the angle is adjustable; when the connecting arm assembly is not needed to be used, the connecting arms of the connecting arm assembly are folded and stored in the storage grooves to be in a completely folded state, so that the connecting arm assembly is convenient to store and saves space.

Drawings

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

fig. 2 is a schematic structural diagram of a first usage state of the present invention;

fig. 3 is a schematic structural view of another usage state of the present invention;

fig. 4 is a schematic structural view of another usage state of the present invention;

fig. 5 is a schematic structural view of another usage state of the present invention;

fig. 6 is a partial cross-sectional view of the present invention.

In the figure: 10. a fan assembly; 11. a fan blade; 12. a fan rear cover; 13. a fan front cover; 20. a connecting arm assembly; 21. a connecting arm; 22. a hinge mechanism; 221. a damping member; 30. a base; 31. an upper cover; 311. a receiving groove; 32. a lower cover; 33. a gear ring; 34. a motor; 35. a drive gear; 36. a bearing; 37. a power supply component; 38. a non-slip mat; 39. a bearing inner race; 50. a lamp ring; 51. a light-transmissive protective cover.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 6, the multifunctional fan includes a base 30, a fan assembly 10 and a connecting arm assembly 20, wherein a receiving groove 311 is formed at a top end of the base 30. The fan assembly 10 includes a housing, a fan blade 11 and a fan blade 11 driving mechanism, wherein the fan blade 11 is pivotally connected in the housing, and the fan blade 11 driving mechanism is used for driving the fan blade 11 to rotate.

In addition, the connecting arm assembly 20 includes at least two connecting arms 21 and a hinge mechanism 22, and the end portions of two adjacent connecting arms 21 are hinged by the hinge mechanism 22; the link arm assemblies 20 are adapted to be deployed after the respective link arms 21 have been rotated away from each other.

When the link arm assemblies 20 are in the unfolded state, each link arm 21 is unfolded in the height direction, and at this time, the link arm assembly 20 has the uppermost link arm 21 and the lowermost link arm 21. The housing is hinged to the top end of the uppermost connecting arm 21 in the unfolded state of the connecting arm assembly 20 through the hinge mechanism 22, and the bottom end of the lowermost connecting arm 21 in the unfolded state of the connecting arm assembly 20 is hinged to the accommodating groove 311 through the hinge mechanism 22. After the connecting arms 21 are rotated in the direction of approaching each other, the connecting arm assembly 20 is stored in the storage slot 311 in the folded state. Further, the hinge mechanism 22 includes a damper 221, and the damper 221 is used to prevent the connecting arm 21 from rotating under its own weight.

On the basis of the structure, use the utility model discloses a during the multifunctional fan, when needs use the fan, each linking arm 21 of linking arm subassembly 20 is rotated manually to the accessible hand, and the damping force of the damping piece 221 of hinge mechanism 22 can be overcome to the power of exerting one's hand, can make each linking arm 21 be the expansion state, and the height that each linking arm 21 of linking arm subassembly 20 formed is the highest, can blow the use at the highest position with the articulated fan assembly 10 of linking arm 21 of the top (see fig. 2).

When a user needs to blow air at a lower position, one of the connecting arms 21 can be manually rotated by a person, so that the connecting arm 21 and the adjacent other connecting arm 21 are relatively folded, the two connecting arms 21 form a certain angle, the relative height of the connecting arm assembly 20 can be reduced, and the fan assembly 10 can blow air at the lower position (see fig. 3).

When the foldable folding device is not needed to be used, the connecting arms 21 of the connecting arm assembly 20 can be manually rotated, so that one of the connecting arms 21 is rotated to the side portion of the other adjacent connecting arm 21, that is, the two adjacent connecting arms 21 are folded in a parallel state, and are folded and stored in the storage groove 311 in a completely folded state (see fig. 5), thereby facilitating storage and saving space.

It should be noted that the above-mentioned driving mechanism for the fan blade 11 can be implemented by a common motor 34 in the prior art.

Preferably, in this embodiment, the base 30 includes an upper cover 31, a lower cover 32 and a driving component for the upper cover 31, the upper cover 31 is rotatably mounted on the lower cover 32, and the top end surface of the upper cover 31 is provided with a receiving groove 311. The driving assembly of the upper cover 31 comprises a gear ring 33, a driving gear 35 and a motor 34, and the gear ring 33 is fixedly connected to the inner wall of the lower cover 32. The body of the motor 34 is fixedly connected to the bottom end of the upper cover 31, the rotating shaft of the motor 34 is fixedly connected with a driving gear 35, and the driving gear 35 is engaged with the gear ring 33 and moves around the gear ring 33 under the driving of the motor 34.

On the basis of the structure, when the fan needs to swing, the motor 34 can be started, the driving gear 35 is driven by the motor 34 to rotate, the driving gear 35 rotates, the machine body of the motor 34 can be driven to rotate around the circumferential direction of the gear ring 33, and the upper cover 31 fixedly connected with the machine body of the motor 34 can rotate around the axis of the upper cover. Since the driving gear 35 can rotate continuously around the gear ring 33 in a full circle, the upper cover 31 can rotate continuously in a full circle, so that the fan assembly 10 mounted on the upper cover 31 can rotate continuously in a full circle to perform continuous blowing in a full circle.

It should be noted that, due to the limitation of the driving structure of the conventional fan, in order to prevent the circuit of the internal motor 34 from being entangled, after the fan assembly 10 rotates a certain angle in one direction, it needs to rotate another angle in the opposite direction, and the fan assembly cannot continuously rotate in the full circumference, so that there is a blowing dead angle. The body of the motor 34 in the present application rotates along with the upper cover 31, so that the problem of winding the wire does not exist, and the problem of continuous full circumference is realized.

Preferably, the middle part of the upper cover 31 and the middle part of the lower cover 32 can be pivotally matched through a bearing 36, and the inner ring of the bearing 36 is connected with the upper cover 31; the outer ring of the bearing 36 is connected to the lower cover 32, so that the pivotal engagement between the upper cover 31 and the lower cover 32 is achieved by the bearing 36, which makes the rotation of the upper cover 31 smoother. Of course, the bearing 36 is commercially available.

Preferably, the motor 34 is a speed reducing motor 34 in the prior art, and the driving is more stable.

Preferably, an installation cavity is further formed inside the upper cover 31, a power supply module 37 is disposed in the installation cavity, and a power cord of the motor 34 extends into the installation cavity and is electrically connected to the power supply module 37, so that the power cord of the motor 34 can be accommodated in the installation cavity of the upper cover 31 to prevent a circuit from being wound during rotation. Of course, the power cord of the drive mechanism for fan blades 11 may also be routed into the mounting cavity via connecting arm 21.

More specifically, the power supply assembly 37 comprises at least two batteries that can power the motor 34 and the blades 11 of the blades 11, allowing the fan to be used without an external power source. Of course, the power supply unit 37 may be a conventional power supply unit 37 and may be electrically connected to an external power supply.

Preferably, a non-slip pad 38 is further fixedly connected to the bottom end surface of the base 30 to prevent slipping during rotation of the upper cover 31, and the non-slip pad 38 may be a silicone pad or a rubber pad.

Preferably, the housing in this embodiment includes a fan front cover 13 and a fan rear cover 12, the fan rear cover 12 is formed as a fan blade 11 cavity, and the fan blade 11 is installed in the fan blade 11 cavity. The fan front cover 13 is detachably sealed at the opening of the cavity of the fan blade 11. In this way, after the fan is used for a period of time, the fan front cover 13 can be removed, so that the fan blade 11 in the cavity of the fan blade 11 can be cleaned conveniently.

More specifically, fan protecgulum 13 and the opening in flabellum 11 chamber are with screw-thread fit's mode fixed connection, can set up the external screw thread at the surface of fan protecgulum 13, set up the internal thread at the opening inner wall in flabellum 11 chamber, and fan protecgulum 13 alright rotatory assembly is in flabellum 11 intracavity, need not so contact outside screw alright direct dismouting, easy dismounting.

Preferably, a lamp ring 50 is further provided on the end face of the housing, and a light-transmitting protective cover 51 is enclosed outside the lamp ring 50. Thus, when in use, the power cord of the lamp ring 50 can be connected to an external power supply circuit or electrically connected to the power supply module 37 inside the upper cover 31, so that the lamp ring 50 is lighted and the fan can illuminate. When the lamp ring 50 illuminates, the housing of the fan can be manually rotated relative to the connecting arm 21 by a person, so that the housing is rotated to be horizontally rotated, the lamp ring 50 faces downwards, and the fan can be used as a desk lamp (see fig. 4) and has multiple functions.

Preferably, the hinge mechanism 22 may include a hinge shaft and a silicone ring, the hinge shaft is connected to the end portions of two adjacent connecting arms 21 in a penetrating manner, the silicone ring is clamped between the end portions of two adjacent connecting arms 21, and the hinge shaft is connected to the end portions of the connecting arms 21 in a penetrating manner to fix a fixing member, so that the end portions of two adjacent connecting arms 21 clamp the silicone ring. When the connecting arms 21 and the connecting arms 21 are assembled in a hinged mode, through holes can be formed in the end portions of the connecting arms 21, the hinged shafts are correspondingly connected in the through holes corresponding to the two adjacent connecting arms 21 in a penetrating mode, the silicon rubber ring is clamped between the end walls of the two connecting arms 21, fixing pieces are installed at the two end portions of the hinged shafts, the connecting arms 21 are made to clamp the silicon rubber ring, friction force between the end portions of the two connecting arms 21 can be increased through the silicon rubber ring, large enough damping force is provided, rotation between the connecting arms 21 and the connecting arms 21 due to self gravity is prevented, and the silicon rubber ring is formed into.

It should be noted that the fixing member may be implemented by a nut in the prior art. In addition, the damping member 221 may be implemented by other dampers in the prior art.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A multifunctional fan is characterized by comprising a base, a fan component and a connecting arm component, wherein the top end of the base is provided with a containing groove; the connecting arm assembly comprises at least two connecting arms and a hinge mechanism, and the end parts of the two adjacent connecting arms are hinged through the hinge mechanism; the connecting arm assembly is used for being unfolded after the connecting arms rotate towards the direction away from each other; the fan assembly is hinged to the top end of the connecting arm at the top when the connecting arm assembly is in an unfolded state through the hinge mechanism; the bottom end of the connecting arm positioned at the lowest part is hinged in the accommodating groove through the hinge mechanism when the connecting arm assembly is in an unfolded state; the connecting arm assembly is used for being folded after the connecting arms rotate towards the direction close to each other and is contained in the containing groove; the hinge mechanism comprises a damping member for preventing the connecting arm from rotating under the action of its own weight.

2. The multifunctional fan according to claim 1, wherein said base comprises an upper cover, a lower cover, and an upper cover driving assembly, said upper cover being rotatably mounted to the lower cover; the top end face of the upper cover is provided with the accommodating groove; the upper cover driving assembly comprises a gear ring, a driving gear and a motor, and the gear ring is fixedly connected to the inner wall of the lower cover; the organism rigid coupling of motor is in the bottom of upper cover, and the pivot rigid coupling of motor has drive gear, drive gear and gear circle meshing and around gear circle motion under the drive of motor.

3. The multifunctional fan as claimed in claim 2, wherein the middle portion of the upper cover is pivotally engaged with the middle portion of the lower cover by a bearing; the inner ring of the bearing is connected with the upper cover; and the outer ring of the bearing is connected with the lower cover.

4. The multifunctional fan according to claim 2, wherein said motor is a reduction motor.

5. The multifunctional fan as claimed in claim 2, wherein the upper cover is provided with a mounting cavity therein, a power supply module is provided in the mounting cavity, and a power cord of the motor extends into the mounting cavity and is electrically connected with the power supply module; the power supply assembly includes at least two batteries.

6. The multifunctional fan as claimed in claim 1, wherein a non-slip mat is fixed to a bottom end surface of the base.

7. The multifunctional fan according to claim 1, wherein the fan assembly comprises a housing, a fan blade and a blade driving mechanism, the fan blade is pivoted in the housing, and the blade driving mechanism is used for driving the fan blade to rotate; the shell comprises a fan front cover and a fan rear cover, and the fan rear cover forms a fan blade cavity for mounting the fan blades; the fan front cover is detachably packaged at the opening of the fan blade cavity.

8. The multifunctional fan according to claim 7, wherein the fan front cover is fixedly coupled to the opening of the fan blade cavity in a screw-fit manner.

9. The multifunctional fan as claimed in claim 7, wherein the end surface of the housing is provided with a lamp ring, and a light-transmitting protective cover is enclosed outside the lamp ring.

10. The multifunctional fan according to claim 1, wherein the hinge mechanism comprises a hinge shaft and a silicone ring, the hinge shaft is penetrated at the end portions of two adjacent connecting arms; a silica gel ring is clamped between the end parts of the two adjacent connecting arms; the hinged shaft penetrates out of the end parts of the connecting arms and is fixedly connected with a fixing part so that the end parts of two adjacent connecting arms clamp the silica gel ring.