CN212508899U

CN212508899U - Portable fan

Info

Publication number: CN212508899U
Application number: CN202020413997.4U
Authority: CN
Inventors: 李汉波
Original assignee: Shenzhen Suishenxiu Fashion Originality Technology Co ltd
Current assignee: Shenzhen Suishenxiu Fashion Originality Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-02-09
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a portable fan, which comprises a base and a support rod, wherein one end of the support rod is connected with a fan head, the other end of the support rod is detachably connected with the base, and the support rod is of a telescopic structure; when the fan head is used, the fan head is fixed above the base through the supporting rods, when the fan head is stored, the supporting rods are contracted and stored in one side of the fan head, then the fan head is fastened on the base, the size of the stored fan is reduced, the occupied space is not occupied, the storage is easy, the carrying is convenient, the operation is convenient, meanwhile, the packaging material and the packaging volume are also saved, the transportation cost is also reduced, and the market competitiveness of products is improved.

Description

Portable fan

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a portable fan.

Background

Electric fans have been widely used as heatstroke prevention and cooling products. The structure of the traditional electric fan comprises a fan head, a supporting rod and a base which are connected in sequence; and because the electric fan of traditional structure is bulky, do not utilize to go out to carry, and the electric fan can not dismantle after finishing using and accomodate, occupation space easily, in addition, the fan head is relatively fixed, and the fan head can't rotate for the air supply angle of electric fan is difficult to adjust. Therefore, the existing electric fans cannot meet the requirements in practical work, and need to be improved and optimized.

SUMMERY OF THE UTILITY MODEL

To the problem that current fan not convenient to detach accomodate, the utility model provides a portable fan, after finishing using, base and bracing piece separation to the bracing piece is folding to be accomodate at the back of fan head, and the fan volume after accomodating diminishes, both conveniently carries, has also reduced the storage space simultaneously.

The utility model discloses a realize through following technical scheme:

a portable fan comprises a base, a supporting rod and a fan head, wherein one end of the supporting rod is hinged with the fan head, the other end of the supporting rod is detachably connected with the base, and buckling structures are arranged on the fan head and the base;

when in use, the fan head is fixed above the base through the support rod; when the fan is accommodated, the supporting rod is separated from the base and is rotatably accommodated at one side of the fan head, and the other side of the fan head is fastened with the base through the fastening structure, so that the fan head and the base form a whole.

Preferably, the supporting rod is connected with the base through the inserting component, a locking structure is arranged between the supporting rod and the base, and when the supporting rod is inserted into the base, the locking structure is used for locking the supporting rod and the base.

Preferably, the plug-in components include cartridge mouth and rather than the plug connector of joining in marriage the grafting, and the cartridge mouth sets up the top surface at the base, and the plug connector setting is at the lower extreme of bracing piece, be provided with the spline structure between cartridge mouth and the plug connector for it is spacing to bracing piece circumference.

Preferably, a first electric connecting piece is arranged in the plug connector and is electrically connected with the fan head, and a second electric connecting piece is arranged in the plug-in mounting opening and is electrically connected with the main control board;

when the plug connector is used, the first electric connecting piece and the second electric connecting piece are in contact conduction when the plug connector is inserted into the insertion opening.

Preferably, the locking structure comprises an outer sleeve which is sleeved on the support rod and can rotate and axially limit the support rod, and a limiting structure which is arranged on the base and used for locking the rotating state of the outer sleeve.

Preferably, the outer sleeve is sleeved on the support rod through threads; the limiting structure is an annular groove formed in the base, and the lower end of the outer sleeve is connected with the annular groove through threads.

Preferably, the base comprises a bottom shell and a rotating shell which is arranged at the top of the bottom shell and can rotate, and the supporting rod is detachably connected with the rotating shell;

the inside of rotating the casing is provided with turns to the structure for the drive rotates the casing and rotates for the drain pan.

Preferably, the steering structure comprises a fixed inner ring arranged at the top of the bottom shell, and the upper end of the fixed inner ring extends into the rotating shell;

the rotating shell is internally provided with a steering motor, the steering motor is meshed with the inner wall of the fixed inner ring, and the rotating motor rotates to enable the rotating shell to rotate around the fixed inner ring.

Preferably, the fastening structure comprises a convex spigot which is arranged at the top of the base and extends upwards, and a concave spigot which is arranged on the front face of the fan head and matched with the convex spigot;

the side wall of the male spigot is provided with an insertion block, the side wall of the female spigot is provided with a slot, and the slot comprises a leading-in slot and a clamping slot which are communicated with each other and extend in the circumferential direction;

when the fan is stored, the fan head is superposed on the top of the base, the concave spigot is embedded in the convex spigot, and meanwhile, the insert block is inserted into the lead-in groove and is buckled with the clamping groove after being rotated.

Preferably, the supporting rod is a telescopic rod and is formed by sleeving a plurality of pipe sections layer by layer.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model provides a pair of portable fan, including the base to and rather than dismantling the bracing piece of being connected, when using, the fan head passes through the bracing piece to be fixed in the top of base, and when accomodating, the bracing piece shrink is accomodate in one side of fan head, and the fan head size after folding diminishes, then will fold the fan head superpose after folding on the base, form the arrangement and accomodate, neither occupation space, easily accomodate moreover, conveniently carry, and be convenient for operate.

Drawings

Fig. 1 is a schematic structural view of a fan according to the present invention;

fig. 2 is an exploded view of the fan of the present invention;

fig. 3 is an exploded view of the base of the present invention in a top view;

FIG. 4 is an exploded view of the base of FIG. 3 in a bottom view;

FIG. 5 is an isometric view of the housing;

FIG. 6 is an isometric view of a fan head;

fig. 7 is a longitudinal sectional view of the fan of the present invention;

fig. 8 is a state diagram of the fan of the present invention after the disassembly.

In the figure: 1, a fan head; 2, supporting rods; 3, a base; 4, plug-in components; 5, inserting an interface; 7, a storage battery; 8 a steering motor; 9 control keys; 11 a hinged joint; 111 a rotating shaft; 12 positioning a step; 21 a telescopic tube; 211 connecting base; 212 connecting lugs; 213 axle hole; 22 an inner sleeve; 221 a connecting sleeve; 222 a threaded sleeve; 23 an outer sleeve; 31 a housing; 32 a turntable; 321 rotating the outer ring; 33 a bottom case; 331 securing the inner ring; 35 positioning the boss; 351 inserting blocks; 41 a first electrical connection; 51 a second electrical connection; 52 a locating ring; 81 fix the gear.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.

Referring to fig. 1, a portable fan comprises a base 3, a support rod 2 and a fan head 1, wherein one end of the support rod 2 is connected with the fan head 1, the other end of the support rod is detachably connected with the base 3, and fastening structures are arranged on the fan head and the base;

when in use, the fan head 1 is fixed above the base through the support rod; when the fan is accommodated, the supporting rod 2 is separated from the base 3 and is rotatably accommodated at one side of the fan head, and the other side of the fan head is fastened with the base through a fastening structure, so that the fan head and the base form a whole.

Specifically, referring to fig. 2, the lower end of the supporting rod 2 is connected to the base 3 in a plug-in mounting manner, so as to facilitate quick assembly and disassembly of the supporting rod 2, the top surface of the base 5 is provided with a recessed plug-in mounting opening 5, the lower end of the supporting rod 2 is provided with a plug connector 4 matched with the plug-in mounting opening 5, so that the supporting rod 2 is vertically inserted into the plug-in mounting opening of the base, and the base and the supporting rod 2 can be detachably connected.

When the fan is used, the fan head 1 is inserted into the base 3 through the support rod 2, when the fan is stored, the base 3 is pulled out from the lower end of the support rod 2, the support rod 2 is separated from the base, the support rod 2 is retracted and rotated to be stored in the back of the fan head 1, and then the fan head is folded to be stored in the whole at the top of the base 3 to achieve the purpose of reducing the storage space.

It can also be understood that the disassembled fan head 1 and base 3 can be packaged separately and respectively stored in two different positions in a space with reasonable size, so that the maximum space utilization is achieved.

In another embodiment, the plug 4 is disposed on the base 3, and the socket 5 is disposed at the lower end of the outer telescopic tube 21, so that the support rod 2 and the base 3 can be fixed by the plug 4 and the socket 5.

Further, for improving the stability of 2 upper ends of bracing piece, be provided with between cartridge mouth 5 and plug connector 4 and spline the structure, including spline the muscle and rather than the complex spline groove, spline the muscle along be provided with on the bearing plug connector 4's the outside, spline the inslot in cartridge mouth 5's inner wall, bracing piece 2 inserts cartridge mouth 5, splines the groove simultaneously and joins in marriage and inserts in spline the groove, carries out circumference location to bracing piece 2, prevents its rotation.

The plug connector can also be designed to be triangular, rectangular or polygonal, the shape of the plug-in mounting opening 5 is matched with that of the plug connector, and when the plug connector is inserted into the plug-in mounting opening 5, self-positioning can be achieved.

The bracing piece 2 is connected with the base through the grafting subassembly, and is provided with locking structure between bracing piece 2 and the base, pegs graft on the base as the bracing piece, and locking structure is used for locking bracing piece and base.

Specifically, bracing piece 2 is flexible bracing piece, and it includes establishes the telescopic link 21 of constituteing by a plurality of tube couplings layer upon layer cover, adopts interference fit between the adjacent tube coupling, when needing to adjust length, draws out the tube coupling along the axial section by section, mutual positioning under the effect of frictional force.

An inner sleeve 22 and an outer sleeve 23 are sequentially sleeved on the outermost pipe joint, the inner sleeve 22 is fixedly connected with the outermost pipe joint through screws, the plug connector 4 is fixedly connected to the lower end of the inner sleeve 22, and the outer sleeve 23 is sleeved on the inner sleeve 22 through threads and can axially move through the threads.

The locking structure is a thread arranged at the lower end of the outer sleeve 23 and is used for being in threaded connection with the plug interface, and the telescopic positioning rod 2 is axially positioned.

Referring to fig. 5, the insertion opening is a circular hole, a positioning ring 52 extending upwards is arranged in an inner hole of the circular hole, a gap is reserved between the positioning ring 52 and the inner wall of the insertion opening, the plug connector 4 is assembled in the positioning ring, an outer thread is arranged on the outer wall of the positioning ring 52, an inner thread is arranged at the lower end of the outer sleeve 23, when the plug connector 4 is inserted into the positioning ring 52, the outer sleeve 23 rotates, the outer sleeve 23 moves downwards along the axial direction of the inner sleeve, the lower end of the outer sleeve 23 extends into the gap between the positioning ring 52 and the insertion opening and is connected with the outer wall of the positioning ring through a thread.

In order to facilitate processing, an inwards concave spigot is arranged on the outer wall of the lower end of the inner sleeve, a threaded sleeve 222 is sleeved on the spigot, an external thread is arranged on the threaded sleeve 222, an internal thread is arranged on the inner sleeve, and threaded connection between the outer sleeve and the inner sleeve is achieved.

The upper end of bracing piece 2 is provided with articulated subassembly, and it is used for being connected with electronic equipment, and articulated subassembly includes articulated joint 11 and articulated seat, and articulated seat is connected with foretell inlayer tube coupling, and articulated joint 11 is used for being connected with electronic equipment, and articulated joint 11 and articulated seat are connected through pivot 111.

Articulated seat includes connecting seat 211, and the both sides of connecting seat 211 symmetry set up the engaging lug 212 of upwards extending, are equipped with coaxial shaft hole 213 on two engaging lugs 212, and connecting seat 211 is adorned in the tube coupling and is linked firmly, and the one end and the fan head 1 of articulated joint are connected, and the other end is located between two engaging lugs, and shaft hole and connecting seat 211 are passed to pivot 111, and it is articulated with the fan head to connect connecting seat 211, adopts articulated connection, can adjust electronic equipment's every single move angle.

The hinged joint 11 is fixedly connected to the lower edge of the fan head 1 in a use state, so that the support rod and the electronic equipment are prevented from being overlapped in the vertical direction, the height of the fan head 1 is adjusted to the maximum extent, meanwhile, when the fan head 1 is accommodated, the support rod 2 rotates around the rotating shaft 111 and is folded on the back of the fan head 1, namely, when the fan is used, the support rod 2 is fixedly connected into the plug-in port 5 of the base 3 through the plug connector 4 in a plug-in manner; when the fan is taking in, the inserting part 4 of the supporting rod 2 can be pulled out from the inserting port 5, the supporting rod 2 is rotated around the hinged position of the fan head and is folded into the back of the fan head, meanwhile, the fan head is folded on the top surface of the base 3, the supporting rod is rotated through the rotating shaft, so that the supporting rod is positioned at the back of the fan head, and the space required when the fan is taking in is reduced.

Referring to fig. 7, a socket 5 is arranged at the upper end of the base 3, a second electric connecting piece 51 is arranged in the socket, the second electric connecting piece 51 is connected with a main control board, a plug connector 4 is arranged at the end part of the support rod 2 close to the base 3, a first electric connecting piece 41 is arranged in the plug connector 4, the first electric connecting piece 41 is connected with the fan head 1, the lower end of the support rod is inserted into the socket 5 through the plug connector 4, the second electric connecting piece 51 is electrically communicated with the first electric connecting piece 41, and driving force is provided for the fan head.

In order to improve the cooling area of fan, need the fan head to have certain angle that turns to, consequently set up steering mechanism in the base, drive the fan head and rotate, specifically as follows:

referring to fig. 3 and 4, the base 3 includes a housing 31, a turntable 32 and a bottom housing 33 sequentially arranged from top to bottom, the socket 5 is arranged on the top surface of the housing 31, the housing 31 is hollow and covers the turntable 32, the housing 31 is fixedly connected with the turntable 32 to form an installation space, and a main control board, a storage battery 7 and a steering motor 8 are arranged in the installation space.

Specifically, a steering motor 8 is fixedly installed at the middle of the installation space, and the steering motor 8 is used for driving the turntable 32 to rotate relative to the bottom case 33. Main control board and battery 7 set up in turning to 8 adjacent one sides of motor, still are equipped with control button 9 on the main control board and the interface that charges, and control button 9 and the interface that charges adorn respectively and inlay in the up end and the side of shell 31, and the main control board with battery 7, turn to motor 9, control button 9 and the interface electricity that charges is connected.

Further, a circular hole is formed in the center of the turntable 32, the edge of the circular hole extends to one side of the top surface of the housing to form a rotating outer ring 321, and the rotating outer ring 321 is arranged in the middle of the installation space; a fixed inner ring 331 is formed at the center of the bottom case 33, the fixed inner ring 331 is fitted in the rotary collar 321 and located at the middle position of the installation space, and the rotary outer ring 321 can rotate relative to the fixed inner ring 331.

Specifically, the steering motor 8 is fixedly installed in the middle of the installation space and is arranged in the central axial direction of the casing 31, a fixed gear 81 is arranged on an output shaft of the steering motor 8, the fixed gear 81 extends into the fixed inner ring 331 and is connected with the inner bottom surface of the bottom case 33, the fixed gear 81 is meshed with the inner wall of the fixed inner ring 331, the steering motor 8 drives the rotating outer ring 321 to rotate on the fixed inner ring 331 through the fixed gear 81, the casing 31 covered on the turntable 32 is driven to rotate, and then the fan head 1 is controlled to rotate horizontally to adjust the air supply angle of the fan head 1, so that the problem that the air supply angle of the conventional fan head is difficult to adjust is solved.

Referring to fig. 5 and 6, after the fan is used, in order to snap-fit and store the fan head 1 on the base 3 and form an integral structure for convenient storage, a positioning step 12 is arranged at the edge of the front surface of the fan head 1, and a positioning boss 35 matched with the positioning step 12 is arranged at the upper edge of the base 3; the positioning boss 35 is provided with an insertion block 351 extending in the circumferential direction, the positioning step 12 is provided with an insertion groove 121 corresponding to the insertion block 351, and the insertion groove 121 includes an introduction groove and a locking groove extending in the circumferential direction which are communicated with each other. When the fan is being dismantled and is being accomodate, fan head 1 is installed on base 3 through location step 12 and location boss 35, inserted block 351 inserts in the introduction groove, and the first 1 inserted block 351 that makes location boss 35 of horizontal rotation fan can insert and be fixed in the draw-in groove that location boss 12 corresponds, make fan head 1 and base 3 reciprocal anchorage, and convert into bracing piece 2 in fan head 1's the back, bracing piece 2 can be used as the handle and grip, the fan volume after accomodating diminishes, both conveniently carry, also occupation space.

In another embodiment, an inner thread is provided on the inner wall of the positioning boss 35, an outer thread is provided on the outer wall of the positioning step 12, and the fan head is connected with the base through the thread.

The fan head can be replaced by a spray fan head or a reflection-type electric heater head.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims

1. A portable fan is characterized by comprising a base (3), a support rod (2) and a fan head (1), wherein one end of the support rod (2) is hinged with the fan head (1), the other end of the support rod is detachably connected with the base (3), and the fan head and the base are provided with fastening structures;

when in use, the fan head (1) is fixed above the base through the support rod; when the fan is stored, the supporting rod (2) is separated from the base (3) and is rotatably stored on one side of the fan head, and the other side of the fan head is fastened with the base through a fastening structure, so that the fan head and the base form a whole.

2. The portable fan as claimed in claim 1, wherein the support rod (2) is connected to the base via a plug assembly, and a locking structure is disposed between the support rod (2) and the base for locking the support rod and the base when the support rod is plugged into the base.

3. The portable fan according to claim 2, wherein the plug assembly comprises a plug opening (5) and a plug connector (4) matched with the plug opening, the plug opening (5) is arranged on the top surface of the base, the plug connector (4) is arranged at the lower end of the supporting rod (2), and a rotation stopping structure is arranged between the plug opening (5) and the plug connector (4) and used for limiting the circumferential direction of the supporting rod.

4. A portable fan according to claim 3, characterized in that the plug connector (4) is provided with a first electric connector (41), the first electric connector (41) is electrically connected with the fan head, the plug-in opening (5) is provided with a second electric connector (51), and the second electric connector (51) is electrically connected with the main control board;

when the plug connector (4) is inserted into the insertion opening (5) in use, the first electric connector (41) and the second electric connector (51) are in contact conduction.

5. The portable fan as claimed in claim 2, wherein the locking structure comprises an outer sleeve (23) which is sleeved on the support rod (2) and can rotate and axially limit the support rod (2), and a limiting structure which is arranged on the base and is used for locking the rotation state of the outer sleeve.

6. A portable fan according to claim 5, characterised in that the outer sleeve (23) is screwed onto the support rod (2); the limiting structure is an annular groove formed in the base, and the lower end of the outer sleeve is connected with the annular groove through threads.

7. A portable fan according to any one of claims 1 to 6, wherein the base comprises a bottom case (33), and a rotatable case rotatably disposed on the top thereof, the support rod (2) being detachably connected to the rotatable case;

the interior of the rotating shell is provided with a steering structure for driving the rotating shell to rotate relative to the bottom shell (33).

8. The portable fan as claimed in claim 7, wherein the turning structure comprises a fixed inner ring (331) provided at the top of the bottom case, an upper end of the fixed inner ring (331) protruding into the rotation housing;

the rotating shell is internally provided with a steering motor (8), the steering motor (8) is meshed with the inner wall of the fixed inner ring (331), and the rotating shell can rotate around the fixed inner ring (331) by the rotation of the steering motor (8).

9. The portable fan as claimed in claim 1, wherein the fastening structure comprises a male spigot disposed on the top of the base and extending upward, and a female spigot disposed on the front surface of the fan head and engaged with the male spigot;

an inserting block (351) is arranged on the side wall of the male spigot, an inserting groove (121) is arranged on the side wall of the female spigot, and the inserting groove (121) comprises a leading-in groove and a clamping groove which are communicated with each other and extend in the circumferential direction;

when the fan is stored, the fan head is superposed on the top of the base, the concave spigot is embedded in the convex spigot, meanwhile, the insertion block (351) is inserted into the guide groove, and the insertion block (351) is buckled with the clamping groove after rotating.

10. The portable fan according to claim 1-6, 8 or 9, wherein the support rod is a telescopic rod and is formed by sleeving a plurality of pipe sections layer by layer.