CN210769435U

CN210769435U - Portable handheld fan

Info

Publication number: CN210769435U
Application number: CN201921814888.7U
Authority: CN
Inventors: 江国清
Original assignee: Shenzhen Jiangtai Technology Co Ltd
Current assignee: Shenzhen Jiangtai Technology Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-16
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a portable handheld fan, this portable handheld fan include the battery post, the top surface of battery post is connected with the spliced pole, and the top surface of spliced pole has back fan housing through pivot swing joint, the front end surface of back fan housing has preceding fan housing through bolt fixed mounting, the rear end surface bonding of back fan housing has the support column. A portable handheld fan, set up the support column through the inside at back fan housing, and set up the reservation groove in the inside of support column, the repair degree of difficulty that can greatly reduced CD-ROM drive motor, reduce the change time, through the surface movable mounting backing sheet all around at the battery post, make the backing sheet fix around to the battery post, stability when improving the fan use, set up the butt joint post through the top at the battery post, and seted up the butt joint groove in the bottom of battery post, can be as required free change or equipment the battery post.

Description

Portable handheld fan

Technical Field

The utility model relates to a handheld fan field, in particular to portable handheld fan.

Background

The portable handheld fan is a fan which is convenient for a user to move and use, but with the development of science and technology, the requirement of people on the handheld fan is higher and higher, so that the traditional handheld fan cannot meet the use requirement of people;

the existing portable handheld fan has certain disadvantages in use, (1) is inconvenient to repair: when the existing portable handheld fan is used, the driving motor is very easy to damage due to the fact that the driving motor needs to work continuously, meanwhile, the driving motor works for a long time, lines and the like in the driving motor are aged, and the rotating speed is reduced, so that the driving motor needs to be replaced or repaired after the existing handheld fan is used for a period of time, and the existing handheld fan motor is installed in the fan cover, so that the fan cover needs to be opened firstly, and then fan blades are disassembled, the driving motor can be replaced, repair convenience is affected, meanwhile, the disassembling process is complex, and time and energy are wasted; (2) poor safety: when using, the current portable handheld fan supplies power to the driving motor through the battery, so that the driving motor drives the fan blades to rotate, but the current handheld fan is mostly integrated with the battery, therefore, when the battery is not powered, the battery needs to be stopped for charging, the timely use of the handheld fan is influenced, secondly, the electrode of the current handheld fan with replaceable battery is exposed outside, the electrode is easily touched by a user, the battery discharges, the power storage capacity of the battery is influenced, and therefore the portable handheld fan is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a portable handheld fan, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable hand-held fan, comprising:

the battery post is characterized in that a connecting post is connected to the outer surface of the top end of the battery post, a rear fan cover is movably connected to the outer surface of the top end of the connecting post through a rotating shaft, a front fan cover is fixedly mounted on the outer surface of the front end of the rear fan cover through bolts, a supporting column is bonded to the outer surface of the rear end of the rear fan cover, and a fan core is movably mounted on the outer surface of the front end of the supporting column through a bearing;

the outer surface of the rear end of the supporting column is provided with a reserved groove, the driving motor is movably mounted on the inner surface of the reserved groove, and the position, close to the rear end, of the inner surface of the reserved groove is connected with a fixing cover through threads;

two butt joint posts, the top surface of battery post bonds and has a magnetic sheet, two the butt joint post bonds respectively and is close to both sides position at the top surface of battery post, and the top surface of butt joint post has seted up the guiding groove, and the internal surface of guiding groove has a magnetic sheet No. two through spring movable mounting, the top surface center department of No. two magnetic sheets bonds and has a copper sheet, and the bottom surface of battery post is close to both sides position and has all seted up the butt joint groove, the internal surface of battery post has the lithium cell, two through bolt fixed mounting the interior top surface of butt joint groove has all bonded No. two copper sheets.

Preferably, three fan blades are bonded on the outer surface of the fan core at equal intervals, and a connecting groove is formed in the center of the outer surface of the rear end of the fan core.

Preferably, an output shaft is arranged on the outer surface of the front end of the driving motor, a gear is welded on the outer surface of the output shaft, and clamping teeth are arranged on the outer surface of the gear and the inner surface of the connecting groove at equal intervals.

Preferably, the outer surface of the front end of the connecting column is provided with a switch button, and the outer surface of the rear end of the connecting column is provided with a power supply interface.

Preferably, the peripheral outer surfaces of the battery columns are movably provided with supporting sheets through rotating shafts, and the outer surfaces of the bottom ends of the supporting sheets are bonded with rubber pads.

Preferably, the outer surface of the rear end of the fixed cover is provided with a flat groove, and the outer diameter of the fixed cover is equal to the inner diameter of the reserved groove.

Preferably, the first copper sheet is electrically connected with the output end of the lithium battery through a lead, and the second copper sheet is electrically connected with the input end of the lithium battery through a lead.

Preferably, the outer surface of the bottom end of the driving motor is provided with a positive terminal and a negative terminal at positions close to the rear end, and copper columns are bonded to the inner surface of the preformed groove at positions close to the positive terminal and the negative terminal respectively.

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

1. the supporting columns are arranged in the rear fan cover, the reserved grooves are formed in the supporting columns, when the driving motor needs to be repaired or replaced, the fixing cover is separated from the supporting columns through manual rotation of the fixing cover, and then the driving motor can be manually taken down, so that the repairing difficulty of the driving motor can be greatly reduced, and the replacement time can be shortened;

2. the support sheets are movably arranged on the outer surfaces of the periphery of the battery column, so that when the handheld fan is used at a fixed position, the support sheets on the periphery of the battery column are opened, the periphery of the battery column is fixed by the support sheets, and the stability of the fan during use is improved;

3. the butt joint column is arranged at the top end of the battery column, and the butt joint groove is formed in the bottom end of the battery column, so that the butt joint column is directly inserted into the butt joint groove when the battery column is used, the battery column can be freely replaced or assembled as required, and replacement and use are convenient;

4. offer the guiding groove through the top at the butt joint post to use the magnetic sheet No. two of spring swing joint at the interior bottom surface of guiding groove, when using, through inserting the butt joint post in the butt joint groove, insert the inside magnetic sheet of back guiding groove and attract the copper sheet in the butt joint groove, make two battery post interconnect, not only can enter into the guiding groove to preventing the dust, can also avoid the user to touch the electrode simultaneously, improve the stability of the inside electric quantity of battery post, avoid taking place to discharge.

Drawings

Fig. 1 is an overall structure diagram of a portable handheld fan according to the present invention;

fig. 2 is a front view of the rear fan cover, the driving motor and the fixing cover of the portable handheld fan of the present invention;

FIG. 3 is a structural diagram of a gear of a portable handheld fan according to the present invention;

FIG. 4 is a structural diagram of a fan core and fan blades of the portable handheld fan of the present invention;

FIG. 5 is a cross-sectional view of the fan core and the support post of the portable handheld fan of the present invention;

FIG. 6 is a diagram illustrating a battery post of the portable handheld fan according to the present invention;

FIG. 7 is a cross-sectional view of a docking post in a portable handheld fan according to the present invention;

fig. 8 is a partial cross-sectional view of a battery post in a portable handheld fan according to the present invention.

In the figure: 1. a battery post; 2. a rear fan cover; 3. a front fan housing; 4. a fan core; 5. a support pillar; 6. a drive motor; 7. a fixed cover; 8. a gear; 9. a fan blade; 10. reserving a groove; 11. a first magnetic sheet; 12. butting columns; 13. a second magnetic sheet; 14. a first copper sheet; 15. a butt joint groove; 16. a second copper sheet; 17. a lithium battery; 18. connecting columns.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-8, a portable hand-held fan, comprising:

the battery pole comprises a battery pole 1, wherein the outer surface of the top end of the battery pole 1 is connected with a connecting pole 18, the outer surface of the top end of the connecting pole 18 is movably connected with a rear fan housing 2 through a rotating shaft, the outer surface of the front end of the rear fan housing 2 is fixedly provided with a front fan housing 3 through a bolt, the outer surface of the rear end of the rear fan housing 2 is bonded with a supporting pole 5, and the outer surface of the front end of the supporting pole 5 is movably provided with a fan core;

a reserved groove 10 is formed in the outer surface of the rear end of the support column 5 of the driving motor 6, the driving motor 6 is movably mounted on the inner surface of the reserved groove 10, and the position, close to the rear end, of the inner surface of the reserved groove 10 is connected with a fixing cover 7 through threads;

two butt joint posts 12, the top surface bonding of battery post 1 has magnetic sheet 11 No. one, two butt joint posts 12 bond respectively and are close to both sides position at the top surface of battery post 1, and the guiding groove has been seted up to the top surface of butt joint post 12, the internal surface of guiding groove has magnetic sheet 13 No. two through spring movable mounting, the top surface center department of magnetic sheet 13 bonds and has copper sheet 14 No. one, and the bottom surface of battery post 1 is close to both sides position and has all seted up butt joint groove 15, the internal surface of battery post 1 has lithium cell 17 through bolt fixed mounting, two interior top surfaces that all bond of butt joint groove 15 have copper sheet 16 No. two.

Referring to fig. 4, three fan blades 9 are bonded to the outer surface of the fan core 4 at equal intervals, and a connecting groove is formed in the center of the outer surface of the rear end of the fan core 4.

Referring to fig. 2-3, an output shaft is arranged on the outer surface of the front end of the driving motor 6, a gear 8 is welded on the outer surface of the output shaft, clamping teeth are arranged on the outer surface of the gear 8 and the inner surface of the connecting groove at equal intervals, and the gear 8 and the connecting groove are meshed with each other.

Referring to fig. 1, a switch button is disposed on the outer surface of the front end of the connection column 18, and a power interface is disposed on the outer surface of the rear end of the connection column 18.

Referring to fig. 1, the peripheral outer surface of the battery post 1 is movably provided with a supporting sheet through a rotating shaft, the outer surface of the bottom end of the supporting sheet is bonded with a rubber pad, the length of the supporting sheet is greater than the height of the battery post 1, and the battery post 1 is provided with a retractable groove near the peripheral position.

Referring to fig. 2, a flat groove is formed on the outer surface of the rear end of the fixing cover 7, and the outer diameter of the fixing cover 7 is equal to the inner diameter of the preformed groove 10.

Referring to fig. 7-8, the first copper sheet 14 is electrically connected to the output terminal of the lithium battery 17 through a wire, and the second copper sheets 16 are electrically connected to the input terminal of the lithium battery 17 through wires.

Referring to fig. 5, a positive terminal and a negative terminal are disposed on the outer surface of the bottom end of the driving motor 6 near the rear end, and copper columns are bonded to the inner surface of the preformed groove 10 near the positive terminal and the negative terminal respectively.

During the use, through the manual shift knob who presses spliced pole 18 front end, control lithium cell 17 switches on to driving motor 6 for driving motor 6 drives flabellum 9 and rotates, and rethread flabellum 9 drives the air and removes, makes the air flow.

When the driving motor 6 needs to be replaced or repaired, the fixing cover 7 is separated from the supporting column 5 by manually rotating the fixing cover 7, and thereafter, after manually pouring out the drive motor 6, and inserting a new drive motor 6 into the reserve tank 10, so that the gear 8 at the front end of the driving motor 6 is inserted into the connecting groove at the rear end of the fan core 4, the gear 8 and the connecting groove are mutually meshed through the latch, the positive terminal and the negative terminal at the bottom end of the driving motor 6 are contacted with the copper column at the inner bottom surface of the reserved groove 10, so that the lithium battery 17 supplies power to the driving motor 6, and finally the fixing cover 7 is manually covered on the rear end of the supporting post 5, and the fixed cover 7 is rotated so that the fixed cover 7 is connected with the supporting column 5, the replacement of the driving motor 6 is completed, meanwhile, the replaced motor is conveniently recycled, the repair difficulty of the driving motor 6 can be greatly reduced, and the replacement time is shortened.

When the fan needs to be placed on a table for use, the support sheets around the battery post 1 are pulled out manually to be unfolded, so that the support sheets fix the periphery of the battery post 1, the stability of the fan during use is improved,

when the battery post 1 needs to be replaced or the battery post 1 needs to be installed, the butt joint post 12 at the top end of the next battery post 1 is directly inserted into the butt joint groove 15 at the bottom end of the previous battery post 1, after the butt joint post is inserted, the second magnetic sheet 13 at the top end of the butt joint post 12 attracts the second copper sheet 16, under the action of the attraction force of the second magnetic sheet 13, the spring at the bottom end of the second magnetic sheet 13 is stretched, the first copper sheet 14 at the top end of the second magnetic sheet 13 is contacted with the second copper sheet 16 in the butt joint groove 15, so that the current in the lithium battery 17 of the next battery post 1 is transported to the first copper sheet 14 through a lead, then the first copper sheet 14 and the second copper sheet 16 are transported to the lithium battery 17 of the previous battery post 1, the second magnetic sheet 13 at the top end of the next battery post 1 attracts the previous battery post 1, so that the two battery posts 1 can be freely replaced or assembled according to needs, is convenient to replace and use.

Through seting up the guiding groove on the top at docking post 12, and use No. two magnetic sheets 13 of spring swing joint at the interior bottom surface of guiding groove, when using, through inserting docking post 12 in docking groove 15, insert the inside No. two magnetic sheets 13 of back guiding groove and attract No. two copper sheets 16 in docking groove 15, make two battery post 1 interconnect, not only can enter into the guiding groove to preventing the dust, No. two magnetic sheets 13 are under the effect of bottom spring when not using simultaneously, retract in the guiding groove, can also avoid the user to touch the electrode, improve the stability of the inside electric quantity of battery post 1, avoid taking place to discharge.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A portable hand-held fan, comprising:

the battery pole comprises a battery pole (1), wherein a connecting column (18) is connected to the outer surface of the top end of the battery pole (1), a rear fan cover (2) is movably connected to the outer surface of the top end of the connecting column (18) through a rotating shaft, a front fan cover (3) is fixedly installed on the outer surface of the front end of the rear fan cover (2) through bolts, a supporting column (5) is bonded to the outer surface of the rear end of the rear fan cover (2), and a fan core (4) is movably installed on the outer surface of the front end of the supporting column (5);

the outer surface of the rear end of the supporting column (5) is provided with a reserved groove (10), the driving motor (6) is movably mounted on the inner surface of the reserved groove (10), and the inner surface of the reserved groove (10) close to the rear end is connected with a fixed cover (7) through threads;

two butt joint posts (12), the top surface bonding of battery post (1) has magnetic sheet (11), two butt joint post (12) bonds respectively and is close to both sides position at the top surface of battery post (1), and the top surface of butt joint post (12) has seted up the guiding groove, and the internal surface of guiding groove has magnetic sheet (13) No. two through spring movable mounting, the top surface center department of surface of No. two magnetic sheets (13) bonds and has copper sheet (14) No. one, and the bottom surface of battery post (1) is close to both sides position and has all seted up butt joint groove (15), the internal surface of battery post (1) has lithium cell (17), two through bolt fixed mounting the internal top surface of butt joint groove (15) all bonds and has copper sheet (16) No. two.

2. A portable hand-held fan according to claim 1, wherein: the fan is characterized in that three fan blades (9) are bonded on the outer surface of the fan core (4) at equal intervals, and a connecting groove is formed in the center of the outer surface of the rear end of the fan core (4).

3. A portable hand-held fan according to claim 1, wherein: an output shaft is arranged on the outer surface of the front end of the driving motor (6), a gear (8) is welded on the outer surface of the output shaft, and clamping teeth are arranged on the outer surface of the gear (8) and the inner surface of the connecting groove at equal intervals.

4. A portable hand-held fan according to claim 1, wherein: the outer surface of the front end of the connecting column (18) is provided with a switch button, and the outer surface of the rear end of the connecting column (18) is provided with a power supply interface.

5. A portable hand-held fan according to claim 1, wherein: the outer surfaces of the periphery of the battery column (1) are respectively and movably provided with a supporting sheet through a rotating shaft, and the outer surface of the bottom end of each supporting sheet is bonded with a rubber pad.

6. A portable hand-held fan according to claim 1, wherein: the outer surface of the rear end of the fixed cover (7) is provided with a flat groove, and the outer diameter of the fixed cover (7) is equal to the inner diameter of the reserved groove (10).

7. A portable hand-held fan according to claim 1, wherein: the first copper sheet (14) is electrically connected with the output end of the lithium battery (17) through a lead, and the second copper sheet (16) is electrically connected with the input end of the lithium battery (17) through a lead.

8. A portable hand-held fan according to claim 1, wherein: the outer surface of the bottom end of the driving motor (6) is provided with a positive terminal and a negative terminal close to the rear end, and copper columns are bonded on the inner surface of the preformed groove (10) close to the positive terminal and the negative terminal respectively.