CN212003653U

CN212003653U - Rechargeable fan

Info

Publication number: CN212003653U
Application number: CN202020254886.3U
Authority: CN
Inventors: 应辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-18
Filing date: 2020-03-04
Publication date: 2020-11-24
Anticipated expiration: 2030-03-04

Abstract

The utility model relates to a chargeable fan, including the fan body, the fan body is equipped with air inlet, the air outlet, the fan device, PCB board and the rechargeable battery who passes through the wire with the PCB board and be connected, still include the chassis of charging, be equipped with on the chassis of charging first power input interface and with first power input interface electric connection's first positive contact element and first negative pole contact element, the bottom of fan body is equipped with second positive contact element and second negative pole contact element, second positive contact element and second negative pole contact element are connected with the PCB board through the wire respectively, when the fan body is placed on the chassis of charging, second positive contact element and first positive contact element contact, second negative pole contact element and first negative pole contact element contact. The utility model discloses the fan can not only use under power failure or outdoor occasion, need not always plug power in the indoor use in addition and adapt to the line, has advantages such as convenient to use is nimble.

Description

Rechargeable fan

Technical Field

The utility model belongs to the technical field of the fan and specifically relates to a chargeable fan is related to.

Background

When the existing fan is used in a power connection mode, the existing fan is generally connected with an indoor power socket through a power supply adapter wire on a fan body, when the fan is used, people need to pull the power supply adapter wire out of the indoor power socket and move the power supply adapter wire to another place (for example, the fan is moved to a corner position for storage), and the power supply adapter wire needs to be plugged into the indoor power socket again when the fan is used next time, so that the problem of inconvenience in use exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art, provide one kind in the use need not always plug the suitable line of power and have the backup function of charging and connect the nimble chargeable fan of electric user mode.

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

a rechargeable fan comprises a fan body, wherein the fan body is provided with an air inlet, an air outlet, a fan device used for generating air flow, a PCB used for controlling the fan device to work, the fan body is also provided with a rechargeable battery connected with the PCB through a lead, the rechargeable battery also comprises a charging chassis which is arranged separately from the fan body, the charging chassis is provided with a first power input interface, a first positive contact component and a first negative contact component which are electrically connected with the first power input interface, the bottom of the fan body is provided with a second positive contact component and a second negative contact component, the second positive contact component and the second negative contact component are respectively connected with the PCB through leads, when the fan body is placed on the charging chassis, the second positive contact component is contacted with the first positive contact component, the second negative electrode contact member is in contact with the first negative electrode contact member.

Further, the fan body comprises a machine body, a nozzle and a base, the machine body is installed on the base and can rotate relative to the base, the air inlet is formed in the machine body, an airflow channel communicated with the air inlet and the nozzle is formed in the machine body, the fan device is arranged in the airflow channel, the air outlet is formed in the nozzle, the PCB is arranged in a cavity separated from the airflow channel in the machine body, the rechargeable battery is arranged in the base, and the second positive contact part and the second negative contact part are arranged at the bottom of the base.

Furthermore, the fan body is also provided with a second power input interface connected with the PCB through a wire.

Furthermore, the upper surface of the charging chassis is provided with a placing groove which is opened upwards and used for placing the bottom of the fan body, the shape of the placing groove is matched with that of the bottom of the fan body, and the first positive electrode contact part and the first negative electrode contact part are both arranged on the bottom wall of the placing groove.

Furthermore, one of the first positive contact member and the first negative contact member is a circular contact member and is disposed at the center of the bottom wall of the accommodating groove, the other one of the first positive contact member and the first negative contact member is an annular contact member and is disposed around the periphery of the circular contact member, and the contact surfaces of the second positive contact member and the second negative contact member are both spherical structures and are exposed out of the bottom surface of the fan body.

Furthermore, the periphery of the first positive electrode contact part and the periphery of the first negative electrode contact part are respectively provided with a clamping pin extending towards the lower end, and the bottom wall of the placement groove is provided with a clamping groove correspondingly matched with the clamping pin.

Further, the bottom of base is equipped with downward open battery and holds the storehouse, chargeable call certainly uncovered the installation in the battery holds the storehouse, be equipped with the line hole on the roof in battery appearance storehouse, the open end in battery appearance storehouse has set the apron, second positive pole contact member and second negative pole contact member all set up on the apron.

Furthermore, the peripheral wall epirelief of battery appearance storehouse is equipped with two high-order stoppers that set up relatively, rechargeable battery includes the battery case and installs a plurality of lithium cell in the battery case, the upper portion of battery case is inlayed and is established two high-order stoppers between, the lower part both sides of battery case all are equipped with the convex shoulder, and the upper surface of every convex shoulder all supports with the lower surface of the high-order stopper that corresponds, still all is equipped with first fixed orifices on every convex shoulder, the lower surface of two high-order stoppers all be equipped with first fixed orifices post, first fixed orifices post penetrates in the first fixed orifices that corresponds and passes through screw fixed connection with it.

Furthermore, a plurality of low-position limiting blocks staggered with the high-position limiting blocks are convexly arranged on the peripheral wall of the battery containing bin, the upper side of the cover plate is abutted against the lower surfaces of the low-position limiting blocks, a second fixing hole is formed in the cover plate, a second fixing hole column is arranged in the battery containing bin, and the second fixing hole is fixedly connected with the second fixing hole column through screws.

Furthermore, the second positive contact part and the second negative contact part are both cylindrical bodies provided with stop flanges on the peripheral walls, the cover plate is provided with through holes for the second positive contact part and the second negative contact part to penetrate through, the contact surfaces of the second positive contact part and the second negative contact part penetrate through the corresponding through holes from top to bottom and are exposed out of the lower surface of the cover plate, the stop flanges on the peripheral walls of the second positive contact part and the second negative contact part are respectively clamped on the upper side of the cover plate, the upper surface of the cover plate is provided with screw hole columns located on the peripheral sides of the through holes, and the screw hole columns are connected with locking blocks used for locking the second positive contact part and the second negative contact part on the cover plate.

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

first, the utility model discloses the fan including one with fan body separable set's the chassis that charges, when the fan finishes using and need remove to another place, people only need with fan body from the chassis that charges take off can, and when the fan needs continue to connect the electricity next time and use, also only need with fan body place the chassis that charges on can, consequently people need not always plug the power adapter wire that links to each other with indoor power socket on the chassis that charges, thereby improved the convenience of using.

Secondly, the utility model discloses be provided with reserve rechargeable battery in the fan body, consequently make the fan also can normal use under the power failure condition and outdoor occasion to improve the range of application of fan greatly, the practicality is strong.

Furthermore, the utility model discloses a still be provided with second power input interface on the fan body, consequently when the chassis that charges is not near, people can also connect the electricity through the second power input interface on the fan body and use, and the electricity that connects for the fan from this provides more selections, and it is nimble convenient to use.

Finally, the utility model discloses rechargeable battery's mounted position and mounting means are all reasonable reliable, and not only the dismouting is easy, the maintenance is changed conveniently, and the installation is firm moreover, can not appear becoming flexible in the use.

Drawings

Fig. 1 is a perspective view of the fan body of the present invention.

Fig. 2 is a schematic longitudinal sectional view of the fan body of the present invention.

Fig. 3 is a perspective view of the whole fan of the present invention.

Fig. 4 is a longitudinal sectional view of the whole fan of the present invention.

Fig. 5 is an exploded top view of the fan according to the present invention.

Fig. 6 is an exploded bottom view of the fan according to the present invention.

Fig. 7 is a top exploded view of the base of the present invention.

Fig. 8 is a bottom exploded view of the base of the present invention.

Fig. 9 is a schematic view of the installation of the second positive contact member and the second negative contact member according to the present invention.

Fig. 10 is a schematic perspective view of the charging chassis according to the present invention.

Fig. 11 is a schematic structural view of the first positive contact member and the first negative contact member according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the drawings.

As shown in fig. 1 to 11, the rechargeable fan of the present invention includes a fan body 100, the fan body 100 is provided with an air inlet 11, an air outlet 21, a blower device 12 for generating an air flow, a PCB 14 for controlling the operation of the blower device 12, and a rechargeable battery 32 connected to the PCB 14 by a wire. The fan comprises a charging chassis 4 which is separable from the fan body 100, a first power input interface 44, a first positive contact part 42 and a first negative contact part 43 which are electrically connected with the first power input interface 44 are arranged on the charging chassis 4, a second positive contact part 332 and a second negative contact part 333 are arranged at the bottom of the fan body 100, the second positive contact part 332 and the second negative contact part 333 are respectively connected with the PCB 14 through conducting wires, when the fan body 100 is placed on the charging chassis 4, the second positive contact part 332 is in contact with the first positive contact part 42, and the second negative contact part 333 is in contact with the first negative contact part 43.

Fan body 100 includes organism 1, nozzle 2 and base 3, organism 1 installs on base 3 and can rotate for base 3, air inlet 11 sets up on organism 1, be equipped with the airflow channel 13 of intercommunication air inlet 11 and nozzle 2 internal passage 22 in the organism 1, fan device 12 sets up in this airflow channel 13, air outlet 21 sets up on nozzle 2, PCB board 14 sets up in the appearance intracavity that separates with airflow channel 13 in organism 1, rechargeable battery 32 sets up in base 3, second positive pole contact element 332 and second negative pole contact element 333 all set up the bottom at base 3.

As mentioned above, the structure of the fan device 12 is prior art, and can be designed with reference to the existing bladeless fan. In operation, the fan device 12 draws external air into the body 1 from the air inlet 11 to form a high pressure air flow, and the high pressure air flow entering the body 1 flows through the air flow passage 13 and enters the internal passage 22 of the nozzle 2 and is finally ejected from the air outlet 21.

The fan body 100 is further provided with a second power input interface 34 connected with the PCB board 14 through a wire, and preferably, the second power input interface 34 is provided at a side of the base 3.

The upper surface of the charging chassis 4 is provided with a placement groove 41 which is opened upwards and used for placing the bottom of the fan body 100, the shape of the placement groove 41 is matched with the shape of the bottom of the fan body 100, and the first positive electrode contact member 42 and the first negative electrode contact member 43 are both arranged on the bottom wall of the placement groove 41.

One of the first positive contact member 42 and the first negative contact member 43 is a circular contact member and is disposed at the center of the bottom wall of the placement groove 41, the other one of the first positive contact member 42 and the first negative contact member 43 is an annular contact member and is disposed around the periphery of the circular contact member, and the contact surfaces of the second positive contact member 332 and the second negative contact member 333 are both spherical structures and exposed to the bottom surface of the fan body 100. This structural design makes fan body 100 need not to master the position of placing when placing the electricity use on charging chassis 4, only needs to let fan body 100's bottom put into the groove 41 of placeeing on charging chassis 4, can ensure that each contact member corresponds the contact and switches on, improves convenience and the reliability that the user used by this. And preferably, each contact part is of a copper sheet structure and has good conductive performance.

Furthermore, the first positive contact member 42 and the first negative contact member 43 are provided with clamping

legs

420 and 430 extending downward on the peripheral sides, and the bottom wall of the placement groove 41 is provided with a clamping groove correspondingly matched with the clamping

legs

420 and 430.

The bottom of base 3 is equipped with downward open battery and holds storehouse 31, but rechargeable battery 32 certainly uncovered installation is in battery holds storehouse 31, is equipped with on the roof of battery holds storehouse 31 and crosses line hole 310, and the open end of battery holds storehouse 31 sets and has apron 33, and second positive contact element 332 and second negative pole contact element 333 all set up on apron 33.

The peripheral wall of the battery container 31 is convexly provided with two oppositely arranged high-position limiting blocks 311, the rechargeable battery 32 comprises a battery box 321 and a plurality of lithium batteries 322 arranged in the battery box 321, the upper part of the battery box 321 is embedded between the two high-position limiting blocks 311, both sides of the lower part of the battery box 321 are provided with shoulders 3210, the upper surface of each shoulder 3210 is abutted against the lower surface of the corresponding high-position limiting block 311, each shoulder 3210 is further provided with a first fixing hole 3211, the lower surfaces of the two high-position limiting blocks 311 are provided with first fixing hole columns 3111, the first fixing hole columns 3111 penetrate into the corresponding first fixing holes 3211 and are fixedly connected with the first fixing holes 3111 through screws, and the rechargeable battery 32 is fixed in the battery container 31.

Preferably, the battery case 321 is formed by covering and fixing an upper case 321a opened downward and a lower case 321b opened upward, and both sides of the lower case 321b protrude from the upper case 321a to form the shoulder 3210.

The peripheral wall of the battery container 31 is also convexly provided with a plurality of low position limit blocks 312 staggered with the high position limit blocks 311, the upper side of the cover plate 33 is abutted against the lower surface of each low position limit block 312, the cover plate 33 is provided with second fixing holes 331, the battery container 31 is internally provided with second fixing hole columns 313, and the second fixing holes 331 and the second fixing hole columns 313 are fixedly connected through screws, so that the cover plate 33 is fixed at the open end of the battery container 31.

The second positive electrode contact member 332 and the second negative electrode contact member 333 are both cylindrical bodies having a retaining flange 3300 on the peripheral wall, the cover plate 33 is provided with through

holes

334 and 335 through which the second positive electrode contact member 332 and the second negative electrode contact member 333 are inserted, the contact surfaces of the second positive electrode contact member 332 and the second negative electrode contact member 333 are inserted from top to bottom through the corresponding through

holes

334 and 335 and exposed out of the lower surface of the cover plate 33, the retaining flanges 3300 on the peripheral walls of the second positive electrode contact member 332 and the second negative electrode contact member 333 are respectively clamped on the upper side of the cover plate 33, the upper surface of the cover plate 33 is provided with

screw hole columns

336 and 337 positioned on the peripheral sides of the through

holes

334 and 335, and the

screw hole columns

336 and 337 are connected with a locking block 338 for locking the second positive electrode contact member 332 and the second negative electrode contact member 333 on the cover plate 33.

The utility model discloses the fan has two kinds of using-way when connecing the electricity use: one is that the fan body is placed on the charging chassis 4 for use, and at this time, one end of the power adapting line is plugged on the first power input interface 44 of the charging chassis 4, and the other end is plugged on the indoor power socket, that is, the power is accessed through the charging chassis 4 to supply power to the PCB 14 or charge the rechargeable battery 32, and in this way, the power adapting line does not need to be plugged frequently, which is convenient for users to use. The other is that the fan body is not placed on the charging chassis 4 for use, and at this time, one end of the power supply adapting wire is plugged into the second power input interface 34 of the fan body 100, and the other end is plugged into an indoor power socket, that is, the power supply is directly connected to the power supply through the second power input interface 34 of the fan body 100 to supply power to the PCB 14 or charge the rechargeable battery 32.

The PCB 14 is provided with an identification circuit, when the identification circuit identifies that the fan is currently in the working mode, the power supply connected to the second power input interface 34 or the charging chassis 4 supplies power to the PCB 14, and when the identification circuit identifies that the fan is currently in the charging mode, the power supply connected to the second power input interface 34 or the charging chassis 4 charges the rechargeable battery 32 for standby. When power is off or the fan is located in an outdoor place without commercial power supply, the rechargeable battery 32 can supply power to the PCB 14 for operation.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims

1. A rechargeable fan comprises a fan body, wherein the fan body is provided with an air inlet, an air outlet, a fan device for generating air flow and a PCB board for controlling the operation of the fan device, and is characterized in that: the fan body still be equipped with the rechargeable battery that the PCB board passes through the wire and connects, still include with the chassis of charging of fan body separable set, be equipped with first power input interface on the chassis of charging and with first power input interface electric connection's first positive contact member and first negative pole contact member, the bottom of fan body is equipped with second positive contact member and second negative pole contact member, second positive contact member and second negative pole contact member respectively through the wire with the PCB board is connected, works as the fan body is placed when charging on the chassis, second positive contact member with first positive contact member contacts, second negative pole contact member with first negative pole contact member contacts.

2. A rechargeable fan in accordance with claim 1, wherein: the fan body comprises a body, a nozzle and a base, the body is mounted on the base and can rotate relative to the base, an air inlet is formed in the body, an airflow channel communicated with the air inlet and the nozzle is formed in the body, a fan device is arranged in the airflow channel, an air outlet is formed in the nozzle, a PCB is arranged in a cavity separated from the airflow channel in the body, a rechargeable battery is arranged in the base, and a second positive contact part and a second negative contact part are arranged at the bottom of the base.

3. A rechargeable fan according to claim 1 or 2, characterised in that: the fan body is also provided with a second power input interface which is connected with the PCB board through a wire.

4. A rechargeable fan according to claim 1 or 2, characterised in that: the upper surface of the charging chassis is provided with a placement groove which is opened upwards and used for placing the bottom of the fan body, the shape of the placement groove is matched with that of the bottom of the fan body, and the first positive electrode contact part and the first negative electrode contact part are both arranged on the bottom wall of the placement groove.

5. The rechargeable fan of claim 4, wherein: one of the first positive contact part and the first negative contact part is a circular contact part and is arranged in the center of the bottom wall of the placement groove, the other one of the first positive contact part and the first negative contact part is an annular contact part and is arranged around the periphery of the circular contact part, and the contact surfaces of the second positive contact part and the second negative contact part are both spherical structures and are exposed out of the bottom surface of the fan body.

6. A rechargeable fan according to claim 5, characterised in that: the periphery sides of the first positive electrode contact part and the first negative electrode contact part are respectively provided with a clamping pin extending towards the lower end, and the bottom wall of the placement groove is provided with a clamping groove correspondingly matched with the clamping pin.

7. A rechargeable fan in accordance with claim 2 wherein: the bottom of base is equipped with downward open battery and holds the storehouse, chargeable call certainly uncovered the installation in the battery holds the storehouse, be equipped with the line hole on the roof in battery appearance storehouse, the open end in battery appearance storehouse has set the apron, second positive pole contact member and second negative pole contact member all set up on the apron.

8. A rechargeable fan in accordance with claim 7 wherein: the battery container is characterized in that two high-position limiting blocks which are arranged oppositely are arranged on the peripheral wall of the battery container in an upwards protruding mode, the rechargeable battery comprises a battery box and a plurality of lithium batteries which are arranged in the battery box, the upper portion of the battery box is embedded between the two high-position limiting blocks, convex shoulders are arranged on two sides of the lower portion of the battery box, the upper surface of each convex shoulder is abutted against the lower surface of the corresponding high-position limiting block, a first fixing hole is further formed in each convex shoulder, first fixing hole columns are arranged on the lower surfaces of the two high-position limiting blocks, penetrate into the corresponding first fixing holes and are fixedly connected with the first fixing holes through screws.

9. A rechargeable fan in accordance with claim 8 wherein: the battery container is characterized in that a plurality of low-position limiting blocks staggered with the high-position limiting blocks are further convexly arranged on the peripheral wall of the battery container bin, the upper side of the cover plate abuts against the lower surfaces of the low-position limiting blocks, second fixing holes are formed in the cover plate, second fixing hole columns are arranged in the battery container bin, and the second fixing holes are fixedly connected with the second fixing hole columns through screws.

10. A rechargeable fan according to claim 7 or 8 or 9, characterised in that: the second positive contact part and the second negative contact part are both cylindrical bodies provided with stop flanges on the peripheral walls, the cover plate is provided with a through hole for the second positive contact part and the second negative contact part to penetrate through, the contact surfaces of the second positive contact part and the second negative contact part penetrate through the corresponding through hole from top to bottom and are exposed out of the lower surface of the cover plate, the stop flanges on the peripheral walls of the second positive contact part and the second negative contact part are clamped on the upper side of the cover plate respectively, the upper surface of the cover plate is provided with a screw hole column located on the peripheral side of the through hole, and the screw hole column is connected with a locking block used for locking the second positive contact part and the second negative contact part on the cover plate.