CN212429248U - AC/DC rechargeable fan - Google Patents

Abstract

The utility model discloses a chargeable fan of alternating current-direct current, including fan main part, direct current motor, alternating current-direct current converter and rechargeable battery, the power cord of pegging graft in the AC socket in the fan main part, when commercial power 220V's alternating current is connected to the power cord, 220V's alternating current converts the direct current into through alternating current-direct current converter, then for direct current motor provides the required direct current of work, the flabellum of direct current motor drive fan main part rotates, the realization is bloied, rechargeable battery also can directly provide the required direct current of work for direct current motor, two kinds of power supply modes: alternating current power supply and direct current power supply, the user can select for use in a flexible way according to the use scene, just can select for use alternating current power supply when having near the use of alternating current socket, just can select for use direct current power supply when the specific place that does not have alternating current socket uses, and is very convenient, can charge for rechargeable battery at any time through the DC socket on the fan main part, can move the fan very conveniently through the handle on the fan main part.

Description

AC/DC rechargeable fan

Technical Field

The utility model relates to a fan, in particular to but alternating current-direct current rechargeable fan.

Background

The existing floor type fans are basically alternating current fans, can work only by being connected to a power socket externally, are greatly limited in use scenes, and are very inconvenient because a long plug wire needs to be pulled outwards for blowing air in a certain specific place.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an alternating current-direct current rechargeable fan.

According to the utility model discloses an aspect provides a chargeable fan of alternating current-direct current, including fan main part, direct current motor, AC-DC converter and rechargeable battery, the flabellum of direct current motor drive fan main part rotates, is equipped with AC socket and DC socket in the fan main part, and the AC socket is connected with AC-DC converter electricity, and AC-DC converter is connected with direct current motor electricity, and the DC socket is connected with rechargeable battery electricity, and rechargeable battery is connected with direct current motor electricity, is equipped with the handle in the fan main part.

The utility model discloses a fan, the power cord of pegging graft in the AC socket in the fan main part, when 220V's of commercial power was connected to the power cord, 220V's alternating current converted to the direct current through alternating current-direct current converter, then for direct current motor provides the required direct current of work, the flabellum of direct current motor drive fan main part rotates, realizes blowing, in addition, rechargeable battery also can directly provide the required direct current of work, two kinds of power supply modes for direct current motor: alternating current power supply and direct current power supply, the user can select for use in a flexible way according to the use scene, just can select for use alternating current power supply when having near the use of alternating current socket, just can select for use direct current power supply when the specific place that does not have alternating current socket uses, and is very convenient, in addition, can charge for rechargeable battery at any time through the DC socket on the fan main part, ensures the duration of a journey ability of supplying power, can very conveniently move the fan through the handle.

In some embodiments, the fan body may include a base, a support bar, a fan head, and a housing, the bottom of the support bar is disposed at the top of the housing, the fan head is disposed at the top of the support bar, the DC motor is disposed in the fan head, the AC-DC converter and the rechargeable battery are disposed in the housing, the AC socket and the DC socket are both disposed on the housing, the handle is disposed on the fan head, and the bottom end of the housing is detachably connected to the base. Therefore, the shell and the base are detachably connected, a user can maintain or replace the rechargeable battery in the shell by himself, the power supply endurance capacity is enhanced, and the lifting handle is arranged on the fan head to facilitate moving of the fan.

In some embodiments, the base may have a recess, a raised edge may be disposed on a peripheral wall of the recess, the raised edge may have a plurality of L-shaped slots, a protrusion may be disposed on a periphery of a bottom end of the housing, and when the bottom of the housing is inserted into the recess on the base, the protrusion on the housing may be engaged with the L-shaped slots on the peripheral wall of the recess. Therefore, when the rechargeable battery needs to be maintained or replaced, the shell (the supporting rod and the fan head) is rotated, the bulge on the bottom end of the shell is made to withdraw from the transverse part of the L-shaped clamping groove of the base, then the shell (the supporting rod and the fan head) is lifted, the bulge on the shell is made to deviate from the longitudinal part of the L-shaped clamping groove, the base can be separated from the shell, at the moment, a user can maintain or replace the rechargeable battery in the shell by himself, after maintenance or replacement is completed, the bottom end of the shell is inserted into the concave part on the base, the bulge on the shell is made to be inserted into the longitudinal part of the L-shaped clamping groove on the circumferential wall of the concave part, then the shell or the base is rotated, the bulge on the shell is clamped in the transverse part of the L-shaped clamping groove, and therefore the shell.

In some embodiments, the projection may have a guide surface thereon. The presence of the guide surface thus facilitates the insertion of the projection in the transverse portion of the L-shaped slot.

In some embodiments, the fixing nut may be further included, a screw rod extending downward is provided at the bottom of the housing, a through hole is provided on the base, a free end of the screw rod at the bottom of the housing passes through the through hole, and the nut is screwed on the free end of the screw rod. From this, when need maintain or change rechargeable battery, with the nut from the screw rod unscrewing, then lift casing (and bracing piece, fan head), separate base and casing, at this moment, the user can maintain or change rechargeable battery in the casing by oneself, maintain or change the completion back, insert the screw rod of casing bottom in the through-hole on the base, the nut is turned round soon and is screwed on the free end of screw rod, just so can firmly install the casing on the base, and can effectively prevent at the in-process of blowing, casing and base pine take off, ensure safe in utilization, rechargeable battery's maintenance or change are very convenient, swift.

In some embodiments, the housing may include a front housing and a rear housing, the rear housing may include a rear housing body and a rear housing cover,

the rear shell body is buckled with the front shell together, the rear shell cover is buckled with the front shell together, the rechargeable battery can be arranged in a cavity formed by the front shell and the rear shell cover, one end of the rear shell body is connected with the supporting rod, the other end of the rear shell body is provided with an inserting groove, one end of the rear shell cover is connected with the base, the other end of the rear shell cover is provided with an inserting part,

when the rear shell cover and the front shell are buckled together, the inserting part on the rear shell cover is inserted into the slot on the rear shell main body.

From this, when needing to maintain or change rechargeable battery, pull down casing (and bracing piece, fan head) from the base earlier, because be connected through slot and grafting portion between backshell main part and the backshell, at this moment, can pull down the backshell from backshell main part and preceding shell, because rechargeable battery holding is in the front in the cavity that shell and backshell formed, the rechargeable battery in the user can maintain or change the casing by oneself, maintain or change the completion back, insert the grafting portion on the backshell in the slot in the main part of the backshell, and with backshell and preceding shell lock together, then install the casing on the base again can, rechargeable battery's maintenance or change are very convenient, and is swift.

In some embodiments, the fan body may be provided with a USB interface, the USB interface is electrically connected to the rechargeable battery, and the USB interface is electrically connected to the ac-dc converter. Therefore, the USB interface can be used for charging the mobile phone, and convenience is provided for a user.

In some embodiments, the fan body may be provided with an LED lamp, the LED lamp is electrically connected to the rechargeable battery, and the LED lamp is electrically connected to the ac-dc converter. Therefore, when the fan is used in a dark place, the LED lamp on the fan main body can provide a lighting function, and particularly can be used as an emergency light source in the case of power failure.

In some embodiments, a power indicator board may be disposed on the fan body, and the power indicator board is electrically connected to the rechargeable battery and displays the power of the rechargeable battery in real time. From this, the electric quantity indicator board can show rechargeable battery's electric quantity in real time, and when rechargeable battery's electric quantity was not enough, the user can in time charge.

In some embodiments, a touch pad may be disposed on the fan main body, and the touch pad is electrically connected to the dc motor. Therefore, the operation of the corresponding function can be realized by clicking the corresponding function key on the touch pad, for example, the switch of a power supply, the adjustment of a wind power gear and the like, and the operation is very convenient by touching and sharing.

In some embodiments, a timing module may also be included, the timing module being electrically connected to the dc motor. Therefore, the working time of the direct current motor can be controlled through the timing module, such as: the timing is two hours before sleeping, and the fan head stops working after blowing for two hours.

Drawings

Fig. 1 is a schematic structural view of an ac/dc rechargeable fan according to an embodiment of the present invention;

fig. 2 is a schematic view of a disassembled structure of the ac/dc rechargeable fan shown in fig. 1;

FIG. 3 is an enlarged view of the AC/DC rechargeable fan A shown in FIG. 2;

fig. 4 is a schematic structural view of the ac/dc rechargeable fan shown in fig. 1 after a fan head, a support rod and a rear housing cover are hidden;

fig. 5 is a schematic structural view of the ac/dc rechargeable fan shown in fig. 1 after a fan head, a support rod, a base and a nut are hidden;

fig. 6 is an enlarged schematic view of the ac/dc rechargeable fan B shown in fig. 5;

FIG. 7 is a schematic structural diagram of a base of the AC/DC rechargeable fan shown in FIG. 1;

FIG. 8 is a schematic structural diagram of a front housing of the AC/DC rechargeable fan shown in FIG. 2;

fig. 9 is a schematic structural view of a rear housing of the ac/dc rechargeable fan shown in fig. 2.

Detailed Description

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

Fig. 1 to 9 schematically show the structure of an ac/dc rechargeable fan according to an embodiment of the present invention.

Referring to fig. 1 to 9, the ac/dc rechargeable fan includes a fan body 1, a dc motor 2, an ac/dc converter 3, and a rechargeable battery 4. In addition, the alternating current-direct current rechargeable fan can further comprise a nut 5, an LED lamp 6, an electric quantity indicating plate 7, a touch control plate 8, a timing module 9 and a control board 10.

Referring to fig. 1, a fan body 1 includes a base 11, a support bar 12, a fan head 13, and a casing 14, and the fan head 13, the support bar 12, the casing 14, and the base 11 are connected in this order from top to bottom.

Referring to fig. 1, a dc motor 2 is installed in a fan head 13, and the dc motor 2 drives the blades of the fan head 13 to rotate and swings the fan head 13.

Referring to fig. 1 and 2, the AC-dc converter 3 may be installed in the housing 14, the AC-dc converter 3 is connected to the dc motor 2 by a wire, the AC-dc converter 3 is connected to the AC socket 31 by a wire, and the AC socket 31 is installed on the housing 14; when a power cord is plugged into the AC socket 31 on the housing 14 and the power cord is connected with 220V AC of the commercial power, the 220V AC can be converted into dc through the AC/dc converter 3, the converted dc supplies power to the dc motor 2, and the dc motor 2 drives the blades of the fan head 13 to rotate and the fan head 13 to swing, so as to blow air.

The ac-dc converter 3 may be a diode rectifier, such as an ambam RGF1B rectifier, or a thyristor rectifier, as long as it can be a conversion device that converts the 220V ac power of the commercial power into the dc power, and the dc voltage may be matched according to the model of the dc motor 2, such as converting the 220V ac power into the 24V dc power, converting the 220V ac power into the 12V dc power, and the like.

Referring to fig. 1, the DC jack 41 is installed on the housing 14, the DC jack 41 is connected to the rechargeable battery 4 through a wire, the rechargeable battery 4 is electrically connected to the DC motor 2 through a wire, the rechargeable battery 4 can be installed inside the housing 14, the rechargeable battery 4 can directly provide the DC power required by the operation for the DC motor 2, and the rechargeable battery 4 can be charged at any time through the DC jack 41 to ensure the power supply endurance.

The DC jack 41 can be plugged with a power line to charge the rechargeable battery 4, and the DC jack 41 can also be connected with a solar panel to charge the rechargeable battery 4 through the solar panel, so that the solar energy rechargeable battery is suitable for outdoor use.

Referring to fig. 1, a fan head 13 is mounted on the top of a support bar 12, and a swing control button for controlling the swing or stopping of the swing of the fan head 13 is provided on the fan head 13.

Referring to fig. 1, a handle 101 is mounted on the fan head 13, specifically, the handle 101 may be mounted on the housing of the linear motor 2, the handle 101 and the housing of the linear motor 2 may be integrally formed, or may be connected by a screw, and the fan may be very conveniently moved by the handle 101.

Referring to fig. 1, the bottom of the support pole 12 is installed in the housing 14, and the height of the support pole 12 protruding from the housing 14 is adjustable, and the housing 14 is installed with an adjusting knob for adjusting the height of the support pole 12.

Referring to fig. 1, the bottom end of the housing 14 is detachably connected to the base 11.

Referring to fig. 2, the housing 14 includes a front case 1401 and a rear case including a rear case main body 1402 and a rear case cover 1403, and a lower portion of the rear case main body 1402 is detachably coupled to an upper portion of the rear case cover 1403.

Referring to fig. 8, a circle of clamping convex edges are formed on the contact end surface of the front shell 1401 and the rear shell; referring to fig. 9, a clamping groove is formed on the edge of the rear shell main body 1402 contacting the front shell 1401, and a clamping groove is also formed on the edge of the rear shell cover 1403 contacting the front shell 1401; the clamping convex edge on the front shell 1401 is matched with the clamping groove on the rear shell body 1402 and the clamping groove on the rear shell cover 1403 in size; through the cooperation of joint recess and joint chimb, back shell main part 1402 is in the same place with preceding shell 1401 lock, can pass through screw locking after the lock, and back shell cover 1403 is in the same place with preceding shell 1401 lock, can pass through screw locking after the lock. In other embodiments, the positions of the clamping bead and the clamping groove can be interchanged.

Referring to fig. 5, the front housing 1401 and the rear housing (the rear housing main body 1402 and the rear housing cover 1403) are fastened together to form an integral housing 14, the upper portion of the rear housing main body 1402 of the rear housing is connected to the support rod 12, and the bottom portion of the rear housing cover 1403 of the rear housing is connected to the base 11.

Referring to fig. 3, a half-turn slot 14021 is formed in the lower portion of the back housing main body 1402 along the circumferential direction, a half-ring-shaped plug part 14031 is formed on the upper end face of the back housing 1403, the plug part 14031 on the back housing 1403 can be transversely inserted into the slot 14021 on the back housing main body 1402, and the plug part 14031 on the back housing 1403 can be pulled out from the slot 14021 on the back housing main body 1402 in the opposite direction, so that the back housing main body 1402 and the back housing 1403 can be detachably connected; when the rear case cover 1403 and the front case 1401 are snapped together, the insertion portion 14031 of the rear case cover 1403 is inserted into the insertion groove 14021 of the rear case main body 1402 (the state shown in fig. 1 and 5). In other embodiments, the positions of the plug 14031 and the slot 14021 can be interchanged.

The radial dimension of back shell cover 1403 is greater than the radial dimension of back shell body 1402, and back shell cover 1403 is thicker than back shell body 1402, and correspondingly, preceding shell 1401 also divide into two parts from top to bottom, and is thick from top to bottom, and thin upper portion and back shell body 1402 lock, thick lower part and back shell cover 1403 lock.

Referring to fig. 4, the rechargeable battery 4 is accommodated in a cavity formed by a thick lower part of the front case 1401 and the rear case cover 1403, a clamping rib is formed on a cavity wall of the cavity for accommodating the rechargeable battery 4, and the rechargeable battery 4 can be stably inserted into the cavity without being jolted.

Referring to fig. 7, a concave portion 111 is formed on the upper end surface of the base 11, a circle of convex edge 112 is formed on the peripheral wall of the concave portion 111, a plurality of L-shaped slots 113 are formed on the convex edge 112, each L-shaped slot 113 is composed of a longitudinal portion and a transverse portion, the longitudinal portion penetrates through the convex edge 112 in the longitudinal direction, and the transverse portions are arranged along the convex edge 112;

referring to fig. 5, a plurality of protrusions 141 are formed on the periphery of the bottom end of the housing 14, the position and size of the protrusions 141 match with the L-shaped slots 113 on the base 11, and when the bottom of the housing 14 is inserted into the recess 111 on the base 11 (the state shown in fig. 1), the protrusions 141 on the housing 14 are engaged with the L-shaped slots 113 on the periphery of the recess 111; when the rechargeable battery 4 needs to be maintained or replaced, the housing 14 (including the front housing 1401, the rear housing main body 1402, the rear housing cover 1403), the support rod 12 and the fan head 13 are rotated to make the protrusion 141 at the bottom end of the housing 14 withdraw from the transverse part of the L-shaped slot 113 of the base 11, then the housing 14 is lifted, the protrusion 141 on the housing 14 is pulled out from the longitudinal part of the L-shaped slot 113, so that the base 11 can be separated from the housing 14, because the rear housing main body 1402 and the rear housing cover 1403 are detachably connected through the slot 14021 and the plug part 14031, the rear housing cover 1403 and the front housing 1401 are detachably connected through the snap groove, the snap convex edge and the screw, at this time, the rear housing cover 1403 can be detached from the rear housing main body 1402 and the front housing 1401, because the rechargeable battery 4 is accommodated in the cavity formed by the front housing 1401 and the rear housing cover 1403, the user can maintain or replace the rechargeable battery 4, after maintenance or replacement, the plug part 14031 on the rear housing cover 1403 is inserted into the slot 14021 on the rear housing main body 1402, the rear housing cover 1403 and the front housing 1401 are buckled together and locked by screws, then the bottom end of the housing 14 is inserted into the recess 111 on the base 11, the protrusion 141 on the housing 14 is inserted into the longitudinal part of the L-shaped slot 113 on the peripheral wall of the recess 111, then the housing 14 or the base 11 is rotated to clamp the protrusion 141 on the housing 14 into the transverse part of the L-shaped slot 113, so that the housing 14 can be firmly installed on the base 11, and the maintenance or replacement of the rechargeable battery 4 is very convenient and fast.

Referring to fig. 5, in the embodiment, the number of the protrusions 141 is four, four protrusions 141 are uniformly distributed on the periphery of the bottom end of the housing 14, the number of the L-shaped slots 113 is also four, four L-shaped slots 113 are uniformly distributed on the flange 112, and the four protrusions 141 and the four L-shaped slots 113 are matched to ensure that the housing 14 and the base 11 are firmly inserted and connected and are not easily loosened; the bottom of the housing 14 is enclosed by a front housing 1401 and a rear housing 1403, half of which is the front housing 1401 and the other half of which is the rear housing 1403, two protrusions 141 are distributed on the periphery of the bottom end of the front housing 1401, and two protrusions 141 are distributed on the periphery of the bottom end of the rear housing 1403. In other embodiments, the number of the protrusions 141 may also be two, three, or more than five (including five), and the number of the L-shaped slots 113 is the same as that of the protrusions 141, so as to ensure that the positions and sizes of the protrusions 141 are matched with those of the L-shaped slots 113 on the base 11.

Referring to fig. 6, a guide surface 1411 is formed on the protrusion 141, and the presence of the guide surface 1411 facilitates insertion of the protrusion 141 in the lateral portion of the L-shaped catch 113.

Referring to fig. 7, a through hole 114 is formed on the base 11, and the through hole 114 is located at the center of the concave portion 111; referring to fig. 5 and 6, a downward extending screw 142 is formed at the bottom of the housing 14, the inner diameter of the through hole 114 is larger than the outer diameter of the screw 142, since the bottom of the housing 14 is enclosed by a front housing 1401 and a rear housing 1403, one half is the front housing 1401, the other half is the rear housing 1403, one half of the screw 142 is formed at the bottom end of the front housing 1401, the other half of the screw 142 is formed at the bottom end of the rear housing 1403, and when the rear housing 1403 and the front housing 1401 are buckled together, one half of the screw 142 on the rear housing 1403 and the other half of the screw 142 on the front housing 1401 form a complete screw 142.

Referring to fig. 1, the free end of the screw 142 at the bottom of the housing 14 passes through the through hole 114 on the base 11, and the nut 5 is screwed on the free end of the screw 142 and tightened; when the rechargeable battery 4 needs to be maintained or replaced, the nut 5 is screwed down from the screw 142, the shell 14 or the base 11 is rotated, the protrusion 141 on the bottom end of the shell 14 is made to withdraw from the transverse part of the L-shaped slot 113 of the base 11, then the shell 14 is lifted up or the base 11 is pulled down, the protrusion 141 on the shell 14 is made to withdraw from the longitudinal part of the L-shaped slot 113 on the base 11, so that the base 11 can be separated from the shell 14, and at this time, a user can maintain or replace the rechargeable battery 4 in the shell 14 by himself; after maintenance or replacement is completed, the screw 142 at the bottom of the housing 14 is inserted into the through hole 114 on the base 11, the bottom end of the housing 14 is inserted into the recess 111 on the base 11, the protrusion 141 on the housing 14 is inserted into the longitudinal portion of the L-shaped slot 113 on the circumferential wall of the recess 111, then the housing 14 or the base 11 is rotated, the protrusion 141 on the housing 14 is clamped in the transverse portion of the L-shaped slot 113, and then the nut 5 is screwed on the free end of the screw 142 from the bottom of the base 11 and screwed, so that the housing 14 can be firmly installed on the base 11, maintenance or replacement of the rechargeable battery 4 is very convenient and fast, and the housing 14 and the base 11 can be effectively prevented from being loosened during blowing, thereby ensuring safe use.

Referring to fig. 5, a USB interface 51 is installed on a front shell 1401 of the housing 14, the USB interface 51 is connected to the rechargeable battery 4 through a wire, the USB interface 51 is connected to the ac-dc converter 3 through a wire, when the ac power is supplied, the dc power converted by the ac-dc converter 3 supplies power to the USB interface 51, when the dc power is supplied, the rechargeable battery 4 supplies power to the USB interface 51, and the USB interface 51 can be used for charging a mobile phone, which provides convenience for a user.

Referring to fig. 2 and 8, the LED lamp 6 is mounted on the front shell 1401 of the housing 14, the LED lamp 6 is connected with the rechargeable battery 4 through a wire, and the LED lamp 6 is electrically connected with the ac-dc converter 3 through a wire; when alternating current is supplied, the direct current converted by the alternating current-direct current converter 3 supplies power to the LED lamp 6, and when direct current is supplied, the rechargeable battery 4 supplies power to the LED lamp 6; when the LED lamp is used in a dark place, the LED lamp 6 can provide an illumination function, and can be used as an emergency light source particularly in power failure.

Referring to fig. 2, an electric quantity indicating plate 7 is installed on a front shell 1401 of a shell 14, the electric quantity indicating plate 7 is connected with a rechargeable battery 4 through a wire, the electric quantity of the rechargeable battery 4 can be displayed by the electric quantity indicating plate 7 in real time, four electric quantity indicating lamps are arranged on the electric quantity indicating plate 7, the first lighting indicating plate shows 25% of electric quantity, the second lighting indicating plate shows 50% of electric quantity, the third lighting indicating plate shows 75% of electric quantity, the fourth lighting indicating plate shows 100% of electric quantity, a user can know the electric quantity of the rechargeable battery 4 at any time according to the lighting and extinguishing conditions of the electric quantity indicating lamps, and when the electric quantity of the rechargeable battery 4 is insufficient, the user can charge in time.

Referring to fig. 2, a touch panel 8 is mounted on a front shell 1401 of a housing 14, a control panel 10 is mounted in the housing 14, a timing module 9 is mounted on the control panel 10, the touch panel 8 is connected with the control panel 10 through a wire, the timing module 9 is connected with the control panel 10 through a wire, the control panel 10 is connected with the dc motor 2 through a wire, the control panel 10 can control on/off and rotation speed of the dc motor 2, the control panel 10 is connected with the LED lamp 6 through a wire, and the control panel 10 can control on/off and light intensity/light intensity of the LED lamp 6; the timing module 9 can control the operating time of the dc motor 2, for example: the timing is two hours before sleeping, and the fan head 13 stops working after blowing for two hours; the front shell 1401 can also be provided with a nixie tube, and the nixie tube can display the wind power gear of the fan head 13 in real time.

The touch control panel 8 is provided with a power key, a wind power gear + key (such as 1-12 gears), a wind power gear-key (such as 1-12 gears), an LED lamp strong gear key, an LED lamp weak gear key, a timing + key and a timing-key, and the corresponding function can be operated by clicking the corresponding function key on the touch control panel 8, so that the user can enjoy the touch control panel by one touch, and the operation is very convenient. The touch pad 8 may also be provided with an "ac power key" and a "dc power key" for a user to select a power mode according to a usage scenario.

Referring to fig. 2, the touch pad 8 and the power indicator panel 7 are attached with a translucent lens 81, the touch pad 8 can be operated through the translucent lens 81, the on/off condition of the power indicator on the power indicator panel 7 can be observed through the translucent lens 81, and the translucent lens 81 can protect the touch pad 8 and the power indicator panel 7.

Referring to fig. 2, the LED lamp 6 is provided with a milky white lampshade 61, and the milky white lampshade 61 can ensure the softness of the light emitted by the LED lamp 6 and can also protect the LED lamp 6.

The rechargeable battery 4 can adopt a 12V/4500mAh rechargeable battery with large capacity, and the rechargeable battery 4 has an over-discharge protection function: during direct current power supply, when the rechargeable battery 4 discharges to the protection voltage, the LED lamp 6 automatically extinguishes, and the direct current motor 2 automatically stops rotating, so that a user is reminded of charging the rechargeable battery 4 in time.

The utility model discloses a fan, the power cord pegs graft in the AC socket 31 on casing 14, the 220V alternating current of commercial power is connected to the power cord, the alternating current of 220V can convert the direct current into through the alternating current-direct current converter 3 in the casing 14, then provide the required direct current of work for direct current motor 2, direct current motor 2 drives fan head 13's flabellum rotation and fan head 13's swing, the realization is bloied, in addition, rechargeable battery 4 also can directly provide the required direct current of work for direct current motor 2, two kinds of power supply modes: the user can flexibly select the alternating current power supply and the direct current power supply according to the use scene, the alternating current power supply can be selected when the rechargeable battery is used nearby an alternating current socket, and the direct current power supply can be selected when the rechargeable battery is used in a specific place without the alternating current socket, so that the rechargeable battery is very convenient to use, and the rechargeable battery 4 can be charged at any time through the DC socket 41 on the shell 14, so that the power supply endurance is ensured;

when the rechargeable battery 4 needs to be maintained or replaced, the nut 5 is screwed down, the base 11 is rotated, the protrusion 141 on the bottom end of the shell 14 is made to withdraw from the transverse part of the L-shaped slot 113 of the base 11, then the base 11 is pulled down, the protrusion 141 on the shell 14 is made to withdraw from the longitudinal part of the L-shaped slot 113 on the base 11, the base 11 is continuously pulled down, the separation of the base 11 and the shell 14 is realized, then the locking screw between the rear shell cover 1403 and the front shell 1401 is screwed out, the rear shell cover 1403 is detached from the rear shell main body 1402 and the front shell 1401, and at this time, a user can maintain or replace the rechargeable battery 4 in the cavity formed by the front shell 1401 and the rear shell cover 1403 by himself; after the rechargeable battery 4 is maintained or replaced, the plug part 14031 on the rear shell cover 1403 is inserted into the slot 14021 on the rear shell body 1402, the rear shell cover 1403 and the front shell 1401 are buckled together and locked by screws, then the screw 142 at the bottom of the shell 14 is inserted into the through hole 114 on the base 11, the bottom end of the shell 14 is inserted into the concave part 111 on the base 11, the protrusion 141 on the shell 14 is inserted into the longitudinal part of the L-shaped slot 113 on the peripheral wall of the concave part 111, then the base 11 is rotated to clamp the protrusion 141 on the shell 14 in the transverse part of the L-shaped slot 113, and then the nut 5 is screwed on the free end of the screw 142 from the bottom of the base 11 and is screwed, so that the base 11 is firmly installed on the shell 14, and the rechargeable battery 4 is very convenient and quick to maintain or replace;

in addition, the operation of the corresponding function can be realized by clicking the corresponding function key on the touch pad 8, and the operation is very convenient because the function key is shared by one touch.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (11)

1. The alternating current-direct current rechargeable fan is characterized by comprising a fan main body (1), a direct current motor (2), an alternating current-direct current converter (3) and a rechargeable battery (4), wherein the direct current motor (2) drives fan blades of the fan main body (1) to rotate, an AC socket (31) and a DC socket (41) are arranged on the fan main body (1), the AC socket (31) is electrically connected with the alternating current-direct current converter (3), the alternating current-direct current converter (3) is electrically connected with the direct current motor (2), the DC socket (41) is electrically connected with the rechargeable battery (4), the rechargeable battery (4) is electrically connected with the direct current motor (2), and a handle (101) is arranged on the fan main body (1).

2. The AC/DC rechargeable fan as claimed in claim 1, wherein the fan body (1) comprises a base (11), a support bar (12), a fan head (13) and a casing (14), the bottom of the support bar (12) is arranged on the top of the casing (14), the fan head (13) is arranged on the top of the support bar (12), the DC motor (2) is arranged in the fan head (13), the AC/DC converter (3) and the rechargeable battery (4) are arranged in the casing (14), the AC socket (31) and the DC socket (41) are arranged on the casing (14), the handle (101) is arranged on the fan head (13),

the bottom end of the shell (14) is detachably connected with the base (11).

3. The AC/DC rechargeable fan as claimed in claim 2, wherein the base (11) is provided with a recess (111), the peripheral wall of the recess (111) is provided with a flange (112), the flange (112) is provided with a plurality of L-shaped slots (113), the periphery of the bottom end of the housing (14) is provided with a protrusion (141), and when the bottom of the housing (14) is inserted into the recess (111) on the base (11), the protrusion (141) on the housing (14) is engaged with the L-shaped slot (113) on the peripheral wall of the recess (111).

4. The AC-DC rechargeable fan as claimed in claim 3, wherein the protrusions (141) are provided with guide surfaces (1411).

5. The AC/DC rechargeable fan as claimed in claim 2, further comprising a fixing nut (5), wherein the bottom of the housing (14) is provided with a screw (142) extending downward, the base (11) is provided with a through hole (114), the free end of the screw (142) at the bottom of the housing (14) passes through the through hole (114), and the nut (5) is screwed on the free end of the screw (142).

6. The AC-DC chargeable fan according to claim 2, wherein the housing (14) comprises a front shell (1401) and a rear shell comprising a rear shell body (1402) and a rear shell cover (1403),

the rear shell main body (1402) and the front shell (1401) are buckled together, the rear shell cover (1403) and the front shell (1401) are buckled together, the rechargeable battery (4) is arranged in a cavity formed by the front shell (1401) and the rear shell cover (1403), one end of the rear shell main body (1402) is connected with the supporting rod (12), the other end of the rear shell main body (1402) is provided with an inserting groove (14021), one end of the rear shell cover (1403) is connected with the base (11), the other end of the rear shell cover (1403) is provided with an inserting part (14031),

when the rear shell cover (1403) and the front shell (1401) are buckled together, the plug-in part (14031) on the rear shell cover (1403) is plugged in the slot (14021) on the rear shell body (1402).

7. The AC/DC rechargeable fan according to any one of claims 1-6, wherein the fan body (1) is provided with a USB interface (51), the USB interface (51) is electrically connected with the rechargeable battery (4), and the USB interface (51) is electrically connected with the AC/DC converter (3).

8. The AC/DC rechargeable fan according to any one of claims 1-6, wherein the fan body (1) is provided with an LED lamp (6), the LED lamp (6) is electrically connected with the rechargeable battery (4), and the LED lamp (6) is electrically connected with the AC/DC converter (3).

9. The AC/DC rechargeable fan according to any one of claims 1-6, wherein the fan body (1) is provided with a power indicator board (7), the power indicator board (7) is electrically connected with the rechargeable battery (4) and displays the power of the rechargeable battery (4) in real time.

10. The AC/DC rechargeable fan as claimed in any one of claims 1-6, wherein the fan body (1) is provided with a touch pad (8), and the touch pad (8) is electrically connected to the DC motor (2).

11. The AC/DC rechargeable fan according to any one of claims 1-6, further comprising a timing module (9), wherein the timing module (9) is electrically connected to the DC motor (2).

Images