CN210889408U

CN210889408U - Foldable fan

Info

Publication number: CN210889408U
Application number: CN201922049991.3U
Authority: CN
Inventors: 黄日青
Original assignee: Foshan Vonistone Environmental Electrical Appliances Co ltd
Current assignee: Foshan Vonistone Environmental Electrical Appliances Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-06-30
Anticipated expiration: 2029-11-22

Abstract

The utility model provides a foldable fan, which comprises a fan head, a supporting rod component and a base, wherein the edge of the base is provided with a notch which runs through the upper end and the lower end of the base, the bottom of the base is provided with a containing groove, and the notch is communicated with the containing groove; the support rod assembly is arranged in the notch, the lower end of the support rod assembly is provided with a rotating cross rod, first rotating shafts are arranged on two sides of the rotating cross rod, two side walls of the notch are respectively sunken inwards to form rotating grooves, damping parts are arranged on the rotating grooves, and when the support rod assembly is installed, the two first rotating shafts are correspondingly arranged in the two rotating grooves and can rotate in the rotating grooves in a damping manner; when the folding fan is folded, the supporting rod assembly turns downwards and is contained in the containing groove, and the fan head rotates reversely and is overlapped on the bottom of the base. Compared with the prior art, the utility model discloses simple structure is reliable, the accessory is few, has guaranteed simultaneously that the cleanness of product is pleasing to the eye, has promoted user experience.

Description

Foldable fan

Technical Field

The utility model relates to a household electrical appliances technical field mainly relates to a collapsible fan.

Background

The electric fan is a necessary electric appliance for modern family life, and generally comprises a base, a supporting rod and a fan head. The fan head of most electric fans on the market can both adjust the air supply angle through adjusting from top to bottom or rotating and adjusting, but the complete machine of electric fan all can not be folded, and its whole is bulky, and occupation space is many, and inconvenient accomodating is deposited, simultaneously, because this type of fan can not be folded, during the packing, the packing is bulky, and the troublesome and inconvenient transportation of packing has all brought very big inconvenience for user and producer. Although, though there are a few folding fans in the market, its structure is complicated, the accessory is many and damage easily, leads to life to hang down, and its accomodate the groove of accomodating the bracing piece and generally set up the upper surface at the base, and the back of expanding, its easy ponding laying dust has influenced the holistic health of fan, has influenced whole aesthetic property when the product is expanded simultaneously, has reduced user experience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a simple structure, not fragile collapsible fan.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the foldable fan comprises a fan head, a supporting rod assembly and a base, wherein the edge of the base is provided with a notch penetrating through the upper end and the lower end of the base, the bottom of the base is provided with a containing groove, and the notch is communicated with the containing groove; the support rod assembly is arranged in the notch, the lower end of the support rod assembly is provided with a rotating cross rod, first rotating shafts are arranged on two sides of the rotating cross rod, two side walls of the notch are respectively sunken inwards to form rotating grooves, damping parts are arranged on the rotating grooves, and when the support rod assembly is installed, the two first rotating shafts are correspondingly arranged in the two rotating grooves and can rotate in the rotating grooves in a damping manner; when the folding fan is folded, the supporting rod assembly turns downwards and is contained in the containing groove, and the fan head rotates reversely and is overlapped on the bottom of the base.

Compared with the prior art, the utility model provides a foldable fan, it is when realizing folding, rigid cooperation and combination damping piece through first pivot and rotation groove realize having the damping to rotate, its simple structure is reliable, the accessory is few, the life of product has been ensured, the steadiness when bracing piece subassembly stands upright on the base has been ensured, and simultaneously, will accomodate the groove design in the bottom of base, can guarantee the product when expanding, accomodate the groove and cover, effective waterproof dustproof, the clean pleasing to the eye of product has been guaranteed, user experience has been promoted.

Preferably, the damping piece is a plurality of silica gel pieces arranged on the rotating groove, and the damping piece is simple and reliable in structure and convenient to produce.

Preferably, bracing piece subassembly includes dwang and telescopic link, the dwang middle part is equipped with the installation passageway, the one end and the first rotatable coupling of fan of telescopic link, the other end are located can reciprocate in the installation passageway of dwang in the installation passageway, the lower extreme of dwang is equipped with the rotation horizontal pole, when the fan expandes, but adjustable telescopic link is for the adjustment of the height of stretching out of dwang in order to realize the first height of fan.

Preferably, the lower end of the rear side of the fan head is provided with a connecting part, one end of the telescopic rod connected with the fan head is provided with a rotating part, and the rotating part is rotatably connected with the connecting part through a damping shaft part.

Preferably, be equipped with the through-hole on the connecting portion, rotation portion middle part is equipped with the shaft hole, the damping shaft spare is equipped with two, and it includes support piece and second pivot respectively, on support piece was located in the second pivot, during the installation, the second pivot of two damping shaft spares inserts in the shaft hole of rotation portion each other symmetrically and makes rotation portion cover establish in two second pivots, be equipped with the bearing between second pivot and the shaft hole, insert damping shaft spare together with the telescopic link in the through-hole and with damping shaft spare and connecting portion fixed connection, its simple structure, simple to operate.

Preferably, the damping shaft is made of silica gel, so that the cost is low, and the production and the manufacture are convenient.

Preferably, a circuit board and a rechargeable power supply are arranged in the base, the circuit board is connected with the rechargeable power supply, and a power supply charging port is arranged on the side wall of the base and used for charging the rechargeable power supply.

Preferably, the middle part of the telescopic rod is provided with a wiring channel, the side part of the notch is provided with a wiring port, and the fan head is electrically connected with the circuit board sequentially through the wiring port, the wiring channel and the through hole.

Preferably, the base includes upside open-ended drain pan and panel lid, form the installation cavity between drain pan and the panel lid, the breach runs through drain pan and panel lid, the drain pan bottom corresponds the breach position and upwards caves in and forms accomodate the groove, has made things convenient for the rotation of bracing piece subassembly to accomodate.

Preferably, the base still includes wireless charging device, wireless charging device includes bottom plate and at least one electromagnetic ring, the electromagnetic ring is located on the bottom plate, the bottom plate sets up the installation intracavity just is located panel cover downside, the electromagnetic ring laminating is in on the lower terminal surface of panel cover, add wireless charging device in order to strengthen folding fan's function for the user can carry out wireless charging to the cell-phone when using the fan.

Drawings

Fig. 1 is a schematic view of the present invention in a folded state;

fig. 2 is a schematic view of the present invention in an expanded state;

fig. 3 is a first schematic diagram of the fan head of the present invention:

fig. 4 is a second schematic diagram of the fan head of the present invention;

fig. 5 is a schematic view of the rear side of the fan head of the present invention;

FIG. 6 is an enlarged view of area A of FIG. 5;

fig. 7 is a schematic view of the front side of the fan head of the present invention;

FIG. 8 is an enlarged view of area B of FIG. 7;

fig. 9 is an exploded view of the support rod assembly and damping shaft of the present invention;

figure 10 is a schematic view of a swivelling lever of the present invention;

fig. 11 is a schematic view of the telescopic rod of the present invention;

figure 12 is a schematic view of the damping shaft of the present invention;

fig. 13 is a first schematic view of the base of the present invention;

fig. 14 is a second schematic view of the base of the present invention;

figure 15 is a schematic view of the base of the present invention (with the panel cover removed);

fig. 16 is a first cross-sectional view of the base of the present invention;

FIG. 17 is an enlarged view of area C of FIG. 16;

fig. 18 is a second cross-sectional view of the base of the present invention;

FIG. 19 is an enlarged view of area D of FIG. 18;

fig. 20 is a schematic diagram of the wireless charging device of the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1 to 20, the foldable fan comprises a fan head 1, a support rod assembly 2 and a base 3, wherein one end of the support rod assembly 2 is rotatably connected with the fan head 1, the other end of the support rod assembly 2 is rotatably connected with the base 3, and a receiving groove 4 is formed in the bottom of the base 3; when the folding fan is folded, the supporting rod component 2 is turned downwards and is accommodated in the accommodating groove 4, the fan head 1 rotates reversely and is overlapped on the bottom of the base 3, namely, the fan head 1 is attached to and contacted with the bottom of the base 3 relative to the reverse rotation of the turning direction of the supporting rod component 2

Referring to fig. 13 to 15, the edge of the base 3 is provided with a notch 5 penetrating through the upper end and the lower end of the base 3, the supporting rod assembly 2 is arranged in the notch 5, the supporting rod assembly 2 is rotatably connected with two side walls of the notch 5, the accommodating groove 4 corresponds to the notch 5 and is arranged at the bottom of the base 3, and the accommodating groove 4 is communicated with the notch 5.

Referring to fig. 9 to 19, as a preferred scheme, the support rod assembly 2 includes a rotating rod 21 and a telescopic rod 22, the middle of the rotating rod 21 is provided with an installation channel 211, one end of the telescopic rod 22 is rotatably connected with the fan head 1, the other end of the telescopic rod 22 is arranged in the installation channel 211 of the rotating rod 21 and can move up and down in the installation channel 211, and the lower end of the rotating rod 21 is rotatably connected with the base 3.

Dwang 21 lower extreme is equipped with rotates horizontal pole 212, it is equipped with first pivot 213 to rotate horizontal pole 212 both sides, two lateral walls of breach 5 are inwards sunken respectively and are formed rotation groove 51, during the installation, and two first pivots 213 correspond to insert and locate two rotation grooves 51 in, be equipped with on the rotation groove 51 with a plurality of silica gel parts 52 of first pivot 213 complex to realize that first pivot 213 rotates groove 51 relatively has the damping ground rotatory. In this embodiment, there are 4 pieces of the silicone member 52, which are divided into two groups and disposed at the upper and lower ends of the rotating groove 51, respectively.

The utility model provides a foldable fan, it is when realizing folding, rigid cooperation and combination damping piece through first pivot and rotation groove realize having the damping to rotate, its simple structure is reliable, the accessory is few, the life of product has been ensured, the steadiness of bracing piece subassembly when upright on the base has been ensured, and simultaneously, will accomodate the groove design in the bottom of base, can guarantee the product when expanding, accomodate the groove and cover, effective waterproof dustproof, the clean pleasing to the eye of product has been guaranteed, user experience has been promoted.

Referring to fig. 13 to 15, the base 3 preferably includes a bottom case 301 and a panel cover 302, the bottom case 301 and the panel cover 302 having an upper opening, a mounting cavity 303 is formed between the bottom case 301 and the panel cover 302, the notch 5 penetrates through the bottom case 301 and the panel cover 302, and the bottom of the bottom case 301 is recessed upwards to form the receiving groove 4 corresponding to the position of the notch 5.

Referring to fig. 15 and 16, preferably, a circuit board 31 and a rechargeable power supply 32 are disposed in the mounting cavity 303, the circuit board 31 is connected with the rechargeable power supply 32, and a power supply charging port 33 is disposed on a side portion of the bottom case 301 for charging the rechargeable power supply 32.

Referring to fig. 15, preferably, a weight 34 is further disposed in the mounting cavity 303, and the weight 34 can prevent the fan from shaking and falling down when the fan is in a high state. In this embodiment, the base 3 is circular, the shape of the base is matched with that of the fan head 1, the accommodating groove 4 is disposed in the middle of the bottom case 301, the mounting cavity 303 is divided into two sub-cavities, the circuit board 31 and the rechargeable power supply 32 are disposed in one of the sub-cavities, and the counterweight 34 is disposed in the other sub-cavity.

Referring to fig. 11, the middle of the telescopic rod 22 is provided with a wiring passage 223, the side of the notch 5 is provided with a wiring port (not shown), and the fan head 1 is electrically connected with the circuit board 31 through the wiring passage 223 and the wiring port.

Referring to fig. 15, 16 and 20, as a preferable scheme, a wireless charging device 304 is further disposed in the mounting cavity 303, and is disposed on the outer side of the top surface of the accommodating groove 4, the wireless charging device 304 includes a bottom plate 35 and at least one electromagnetic ring 36, in this embodiment, two electromagnetic rings 36 are disposed, the bottom plate 35 is fixed on the outer side of the top surface of the accommodating groove 4, the electromagnetic ring 36 is disposed on the bottom plate 35, the bottom plate 35 is located on the lower side of the panel cover 302, and the electromagnetic ring 36 is attached to the lower end surface of the panel cover 302. In use, the mobile phone is placed on the panel cover 302 at a position corresponding to the wireless charging device 304.

Referring to fig. 17 and 18, preferably, a card slot 41 is disposed on a top surface of the receiving slot 4, and the bottom plate 35 is mounted on the card slot 41 to facilitate mounting and positioning of the wireless charging device 304.

Referring to fig. 17 and 18, as a preferable scheme, the lower side of the panel cover 302 is recessed upwards to form a fitting groove 321 corresponding to the position of the card slot 41, and when the bottom board 35 is mounted on the card slot 41, the electromagnetic coil 36 is located in the fitting groove 321, which on one hand allows sufficient space between the receiving groove 4 and the panel cover 3 to facilitate the mounting of the wireless charging device 304, and on the other hand, can reduce the thickness of the panel cover 302 in the area corresponding to the wireless charging device 304 to facilitate the inductive charging of the mobile phone.

Referring to fig. 13, a USB charging port 37 is preferably disposed on a side of the bottom case 301, and is used for wired charging of other mobile devices.

Referring to fig. 14, the bottom of the bottom case 301 is preferably provided with a foot pad 38, which plays a role in skid resistance and shock resistance. In this embodiment, two foot pads 38 are provided, which are respectively arc-shaped, and the two foot pads 38 are symmetrically disposed on the bottom edge of the bottom case 301.

Referring to fig. 3, 4 and 9, as a preferable scheme, a connection portion 11 is disposed at a lower end of a rear side of the fan head 1, a rotation portion 221 is disposed at one end of the telescopic rod 22 connected to the fan head 1, the rotation portion 221 is rotatably connected to the connection portion 11 through a silica gel damping shaft 6, and the rotation portion 221 rotates with damping through the silica gel damping shaft 6 and the connection portion 11.

Specifically, be equipped with through-hole 111 on connecting portion 11, rotation portion 221 middle part is equipped with shaft hole 222, silica gel damping shaft spare 6 is equipped with two, and it includes support piece 61 and second pivot 62 respectively, second pivot 62 is located on support piece 61, and during the installation, the second pivot 62 of two silica gel damping shaft spares 6 inserts in the shaft hole 222 of rotation portion 221 each other symmetrically and makes rotation portion 221 cover establish on two second pivot 62 to through the screw with two silica gel damping shaft spare 6 fixed connection, be equipped with bearing 63 between second pivot 62 and the shaft hole 222, then insert silica gel damping shaft spare 6 together with telescopic link 22 in the through-hole 111 and through screw with silica gel damping shaft spare 6 and connecting portion 11 fixed connection. In this embodiment, the supporting member 61 is plate-shaped, the sidewall of the through hole 111 is provided with a fixing groove 112, and the supporting member 61 is embedded in the fixing groove 112 when being installed.

Referring to fig. 3 to 8, preferably, the fan head 1 is provided with an illumination device 7 at the front outer circumference thereof, the illumination device 7 includes a lamp cover 71 and a lamp ring 72, the fan head 1 is provided with a ring of lamp ring mounting grooves 12 at the outer circumference thereof, the lamp ring 72 is mounted in the lamp ring mounting grooves 12, and the lamp cover 71 detachably covers the lamp ring mounting grooves 12. In this embodiment, the lamp ring 72 is an LED lamp strip.

The working principle of the present invention is described below with reference to fig. 1 to 20:

when in use, firstly, the fan head 1 is rotated to be upright relative to the supporting rod component 2 through the damped rotation of the telescopic rod 22 relative to the connecting part 11, then the supporting rod component 2 is separated from the accommodating groove 4 at the bottom of the base 3 through the damped rotation of the rotating rod 21 relative to the rotating groove 51, and is rotated to be upright above the base by taking the rotating cross rod 212 as a center, and the height of the supporting rod component 2 can be adjusted according to requirements; when the foldable fan is unfolded, the foot pad 38 at the bottom of the base 3 plays a role in skid resistance and shock resistance. The operation of the fan head 1 and the on/off of the lighting device 7 are controlled by the fan switch 131 and the lighting switch 132, respectively. Meanwhile, the mobile phone can be charged wirelessly through the wireless charging device 304 or other mobile devices can be charged in a wired manner through the USB charging port 37 according to requirements.

When using up and needing to fold, rotate earlier bracing piece subassembly 2 to the base 3 downside in the lump together with fan head 1 to accomodate bracing piece subassembly 2 in accomodate groove 4, then rotate fan head 1 and make whole fan head 1 laminate to base 3 lower surface. The user may charge the foldable fan through the power charging port 33.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. Collapsible fan, it includes fan head, bracing piece subassembly and base, its characterized in that: the edge of the base is provided with a notch which penetrates through the upper end and the lower end of the base, the bottom of the base is provided with a containing groove, and the notch is communicated with the containing groove; the support rod assembly is arranged in the notch, the lower end of the support rod assembly is provided with a rotating cross rod, first rotating shafts are arranged on two sides of the rotating cross rod, two side walls of the notch are respectively sunken inwards to form rotating grooves, damping parts are arranged on the rotating grooves, and when the support rod assembly is installed, the two first rotating shafts are correspondingly arranged in the two rotating grooves and can rotate in the rotating grooves in a damping manner; when the folding fan is folded, the supporting rod assembly turns downwards and is contained in the containing groove, and the fan head rotates reversely and is overlapped on the bottom of the base.

2. The foldable fan of claim 1, wherein: the damping piece is a plurality of silica gel pieces arranged on the rotating groove.

3. The foldable fan of claim 1, wherein: the bracing piece subassembly includes dwang and telescopic link, the dwang middle part is equipped with the installation passageway, the one end and the fan head rotatable coupling of telescopic link, the other end are located in the installation passageway of dwang and can reciprocate in the installation passageway, the lower extreme of dwang is equipped with the rotation horizontal pole.

4. The foldable fan of claim 3, wherein: the fan head is characterized in that a connecting portion is arranged at the lower end of the rear side of the fan head, a rotating portion is arranged at one end, connected with the fan head, of the telescopic rod, and the rotating portion is rotatably connected with the connecting portion through a damping shaft piece.

5. The foldable fan of claim 4, wherein: the connecting portion are provided with through holes, the middle portion of the rotating portion is provided with two shaft holes, the damping shaft pieces are provided with two shaft holes and respectively comprise a support piece and two second rotating shafts, the second rotating shafts are arranged on the support piece, and during installation, the second rotating shafts of the two damping shaft pieces are symmetrically inserted into the shaft holes of the rotating portion to enable the rotating portion to be sleeved on the two second rotating shafts, bearings are arranged between the second rotating shafts and the shaft holes, the damping shaft pieces are inserted into the through holes together with telescopic rods, and the damping shaft pieces are fixedly connected with the connecting portion.

6. The foldable fan of claim 5, wherein: the damping shaft piece is made of silica gel.

7. The foldable fan of claim 5, wherein: the base is internally provided with a circuit board and a rechargeable power supply, the circuit board is connected with the rechargeable power supply, and the side wall of the base is provided with a power supply charging port for charging the rechargeable power supply.

8. The foldable fan of claim 7, wherein: the middle part of the telescopic rod is provided with a wiring channel, the side part of the notch is provided with a wiring port, and the fan head is electrically connected with the circuit board through the wiring port, the wiring channel and the through hole in sequence.

9. The foldable fan of claim 1, wherein: the base includes upside open-ended drain pan and panel lid, form the installation cavity between drain pan and the panel lid, the breach runs through drain pan and panel lid, the corresponding breach position of drain pan bottom is sunken formation upwards receive the groove.

10. The foldable fan of claim 9, wherein: the base still includes wireless charging device, wireless charging device includes bottom plate and at least one electromagnetic ring, the electromagnetic ring is located on the bottom plate, the bottom plate sets up the installation intracavity just is located panel lid downside, the laminating of electromagnetic ring is in on the lower terminal surface of panel lid.