CN211502385U

CN211502385U - Rechargeable flashlight

Info

Publication number: CN211502385U
Application number: CN202020403965.6U
Authority: CN
Inventors: 刘婉聪
Original assignee: Quanzhou Chuangsen Electronic Technology Co ltd
Current assignee: Quanzhou Chuangsen Electronic Technology Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-09-15
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to a flashlight technical field especially relates to a chargeable electric torch, including casing, lamp shade, rotating device, electromagnetic induction device, the mouth that charges, USB interface and pilot lamp, the casing still is equipped with annular groove, rotating device includes outer ring, rolling groove, rolling element and holder, electromagnetic induction device includes electromagnetic induction transmitting device and electromagnetic induction receiving arrangement. It has solved the inconvenient problem of prior art backup battery use, through rotatory rotating device for inductance coils among two electromagnetic induction devices are close to each other, play the magnetic coupling effect, convert the electric current into the magnetic field again through inductance coils earlier and convert the electric current into, and then through the rectifier with the electric current rectification, provide the electric quantity for the flashlight, can reach after losing the electric energy, backup battery provides the effect of electric quantity for the flashlight rapidly.

Description

Rechargeable flashlight

Technical Field

The utility model relates to a flashlight technical field especially relates to a chargeable flashlight.

Background

Flashlights are a hand held tool for emergency lighting and are widely used in both home and outdoor activities. The existing flashlight generally has only one power supply, and when a charging system goes wrong or a battery loses electric energy, the flashlight cannot give out an illumination function, so that people are troubled.

Chinese patent No. CN201220152013.7 discloses a flashlight, in which a spare battery slot is provided on the flashlight body, and a spare battery is placed in the spare battery slot, so as to solve the problem that the flashlight can not give a full play of the lighting function after losing power, but in the actual use process, the flashlight can not light when the spare battery is replaced at night, which may cause danger.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the above problems, the present invention provides a rechargeable flashlight, which solves the technical problem of inconvenience in using a spare battery of a flashlight in the prior art.

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

the utility model provides a chargeable flashlight, includes the casing, sets up the lamp shade in the casing bottom, sets up rotating device in the lamp shade top, sets up at rotating device and the inside electromagnetic induction device of casing, sets up the mouth that charges on the casing surface, set up in the USB interface of mouthful one side of charging and set up the pilot lamp in mouthful lower extreme that charges, the position that the casing is close to the lamp shade still is equipped with the annular groove of undercut, rotating device includes the outer loop, sets up in the rolling groove on outer loop inboard and annular groove surface, installs the rolling element in the rolling groove and is used for laying the holder of rolling element, electromagnetic induction device is including setting up at the inside electromagnetic induction sending device of rotating device and setting up at the inside electromagnetic induction receiving arrangement who is close to rotating device of casing.

Furthermore, the electromagnetic induction sending device comprises a first base, a first upper cover arranged above the first base, a first inductance coil arranged in the middle of the first base, a battery arranged on one side of the first inductance coil and a first lead connected between the first inductance coil and the battery.

Furthermore, the electromagnetic induction receiving device comprises a second base, a second upper cover arranged above the second base, a second inductance coil arranged in the middle of the second base, a rectifier arranged on one side of the second inductance coil, and a second lead connected between the second inductance coil and the rectifier.

Further, the rolling grooves comprise a first rolling groove which is arranged on the inner side of the outer ring in a sunken mode and a second rolling groove which is arranged on the surface of the annular groove.

Furthermore, the first rolling groove and the second rolling groove are semicircular grooves, and the first rolling groove and the second rolling groove can be mutually covered.

Further, the rolling element is formed by combining a plurality of rolling bodies in a circular array.

Furthermore, the retainer is a metal ring which is formed by casting integrally, and a plurality of through holes matched with the rolling bodies are formed in the ring.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a chargeable electric torch solves the inconvenient problem of prior art spare battery use through setting up electromagnetic induction device and rotating device, through rotatory rotating device, makes the inductance coil in two electromagnetic induction devices be close to each other, plays the magnetic coupling effect, converts the electric current into the magnetic field earlier through inductance coil and then converts into the electric current, and then rectifies the electric current via the rectifier, provides the electric quantity for the electric torch, reaches after losing the electric energy, spare battery provides the effect of electric quantity for the electric torch rapidly; furthermore, by rotating the rotating device, the electromagnetic induction transmitting device positioned in the rotating device is far away from the electromagnetic induction receiving device in the shell, so that current transmission can be cut off, the electric quantity of the standby battery is prevented from being wasted, and the situation that sufficient electric quantity cannot be provided in emergency is avoided; furthermore, the surface of the lampshade is frosted, so that light irradiates the surface to form a diffuse reflection shape, the light is softened, a hazy feeling is brought to people, and the protection of eyes is facilitated.

Drawings

Fig. 1 is a schematic front structural view of an embodiment of the present invention;

fig. 2 is a schematic view of a reverse structure of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an electromagnetic induction transmission device in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an electromagnetic induction receiving device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a rotating device in an embodiment of the present invention.

In the figure, 1-housing, 2-lamp shade, 3-rotating device, 31-outer ring, 32-rolling groove, 321-first rolling groove, 322-second rolling groove, 33-rolling element, 34-holder, 4-electromagnetic induction device, 41-electromagnetic induction transmitting device, 411-first base, 412-first upper cover, 413-first inductance coil, 414-battery, 415-first conducting wire, 416-first coil groove, 417-battery groove, 418-first conducting wire groove, 42-electromagnetic induction receiving device, 421-second base, 422-second upper cover, 423-second inductance coil, 424-rectifier, 425-second conducting wire, 426-second coil groove, 427-rectifier groove, 428-second conducting wire groove, 5-charging port, 6-USB interface, 7-indicator light

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 5, the present embodiment provides a rechargeable flashlight, which includes a housing 1, a lamp housing 2 disposed at the bottom of the housing, a rotating device 3 disposed above the lamp housing 2, an electromagnetic induction device 4 disposed inside the rotating device 3 and the housing 1, a charging port 5 disposed on the surface of the housing, a USB interface 6 disposed on one side of the charging port 5, and an indicator light 7 disposed at the lower end of the charging port 5.

The position that casing 1 is close to lamp shade 2 still is equipped with the annular groove of undercut, the annular groove is used for installing rotating device 3, the degree of depth of annular groove equals with rotating device 3's height, makes rotating device 3 and casing 1 surface keep parallel for it is better to feel when holding the flashlight, can not produce unsmooth sense.

The surface of the lampshade 2 is frosted, so that light irradiates on the surface to form diffuse reflection, light is softened, hazy feeling is brought to people, and the protection of eyes is facilitated.

The rotating means 3 comprise an outer ring 31, rolling grooves 32, rolling elements 33 and a cage 34.

The outer ring 31 is a circular ring matched with the annular groove.

The rolling grooves 32 include a first rolling groove 321 concavely disposed on the inner side of the outer ring 31 and a second rolling groove 322 disposed on the surface of the annular groove, the rolling elements 33 are mounted in the rolling grooves 32, and the retainer 34 is used for receiving the rolling elements 33.

The first rolling groove 321 and the second rolling groove 322 are both semicircular grooves, and the first rolling groove 321 and the second rolling groove 322 can be mutually covered.

The rolling element 33 is formed by a plurality of rolling elements arranged in a circular array and is capable of rolling in the rolling groove 32.

The retainer 34 is a metal ring poured integrally, and the ring has a plurality of through holes matching with the rolling elements for wrapping the rolling elements and moving therewith to isolate the rolling elements and keep the rolling elements in the rolling grooves 32 while guiding the rolling elements to roll.

The electromagnetic induction device 4 includes an electromagnetic induction transmitting device 41 disposed inside the rotating device 3, and an electromagnetic induction receiving device 42 disposed inside the housing 1 near the rotating device 3.

The electromagnetic induction transmitting device 41 includes a first base 411, a first cover 412, a first inductor coil 413, a battery 414 and a first conducting wire 415.

The first cover 412 is disposed above the first base 411, the first inductor 413 is disposed in the middle of the first base 411, the battery 414 is disposed on one side of the first inductor 413, and the first lead 415 is connected between the first inductor 413 and the battery 414.

The bottom surface of the first base 411 is further formed with a first coil groove 416 for accommodating the first inductor coil 413, a battery groove 417 formed at one side of the first coil groove 416, and a first wire groove 418 for connecting the first coil groove 415 and the battery groove 417.

The first upper cover 412 and the first base 411 can cover each other.

The first inductor 413 is a device that operates based on the principle of electromagnetic induction, and when two inductors are close to each other, the first inductor plays a role of magnetic coupling, and transmits power based on the principle of electromagnetic induction.

The battery 414 is electrically connected to the first inductor 413 through a first wire 415 to provide power to the first inductor 413.

The electromagnetic induction receiving device 42 includes a second base 421, a second cover 422, a second inductor 423, a rectifier 424 and a second conducting wire 425.

The second cover 422 is disposed above the second base 421, the second inductor 423 is disposed in the middle of the second base 421, the rectifier 424 is disposed at one side of the second inductor 423, and the second wire 425 is connected between the second inductor 423 and the rectifier 424.

The bottom surface of the second base 421 further has a second coil groove 426 for placing the second inductor 423, a rectifier groove 427 formed at one side of the second coil groove 426, and a second wire groove 428 connecting the second coil groove 426 and the rectifier groove 427.

The second upper cover 422 and the second base 421 can be covered with each other.

The second inductor 423 is a device that operates using the principle of electromagnetic induction, and when two inductors are close to each other, it may perform a magnetic coupling function, and transmit power using the principle of electromagnetic induction.

The rectifier 424 is a device for converting ac power to dc power, and the rectifier 424 is electrically connected to the second inductor 423 through a second wire 425, so as to convert ac power generated by the second inductor 423 into dc power, which is filtered to provide electric power to the flashlight.

In daily use, only the rotating device 3 needs to be rotated to enable the two inductance coils to approach each other to achieve a magnetic coupling effect, the first inductance coil 413 in the electromagnetic induction transmitting device 41 converts current into a magnetic field, the second inductance coil 423 in the electromagnetic induction receiving device 42 converts the magnetic field into current after sensing the magnetic field, the current is rectified by the rectifier 424 to provide electric quantity for the flashlight, and the effect that the standby battery rapidly provides electric quantity for the flashlight after losing electric energy is achieved.

In daily use, if the flashlight does not need to use a standby power supply, only the rotating device 3 needs to be rotated, and the electromagnetic induction transmitting device 41 located inside the rotating device 3 is far away from the electromagnetic induction receiving device 42 inside the shell 1, so that current transmission can be cut off, and the electric quantity of the standby battery is prevented from being wasted, so that sufficient electric quantity cannot be provided in emergency.

The charging port 5 can be connected with an external power supply to charge the battery.

The USB interface 6 can be used for charging mobile phones and computers.

The indicating lamp 7 is used for displaying the charging condition, when the indicating lamp 7 is red, the indicating lamp is charging, and when the indicating lamp 7 is green, the indicating lamp is fully charged, so that the phenomenon that the service life of the flashlight is influenced due to damage of a battery caused by overcharging is avoided.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A rechargeable flashlight, comprising: including casing, the lamp shade of setting in the casing bottom, set up rotating device in the lamp shade top, set up at rotating device and the inside electromagnetic induction device of casing, set up the mouth that charges on housing face, set up in the USB interface of mouthful one side that charges and set up in the pilot lamp of mouthful lower extreme that charges, the position that the casing is close to the lamp shade still is equipped with the annular groove of undercut, rotating device includes the outer loop, sets up in the rolling groove on outer loop inboard and annular groove surface, installs the rolling element in the rolling groove and is used for laying the holder of rolling element, electromagnetic induction device is including setting up at the inside electromagnetic induction sender of rotating device and setting up the inside electromagnetic induction receiver who is close to rotating device at the casing.

2. The rechargeable flashlight of claim 1, wherein: the electromagnetic induction sending device comprises a first base, a first upper cover arranged above the first base, a first inductance coil arranged in the middle of the first base, a battery arranged on one side of the first inductance coil and a first lead connected between the first inductance coil and the battery.

3. The rechargeable flashlight of claim 1, wherein: the electromagnetic induction receiving device comprises a second base, a second upper cover arranged above the second base, a second inductance coil arranged in the middle of the second base, a rectifier arranged on one side of the second inductance coil and a second lead connected between the second inductance coil and the rectifier.

4. The rechargeable flashlight of claim 1, wherein: the rolling grooves comprise a first rolling groove which is arranged on the inner side of the outer ring in a sunken mode and a second rolling groove which is arranged on the surface of the annular groove.

5. The rechargeable flashlight of claim 4, wherein: the first rolling groove and the second rolling groove are semicircular grooves, and the first rolling groove and the second rolling groove can be mutually covered.

6. The rechargeable flashlight of claim 1, wherein: the rolling element is formed by combining a plurality of rolling bodies in a circular array arrangement mode.

7. The rechargeable flashlight of claim 6, wherein: the retainer is a metal ring which is integrally cast, and a plurality of through holes matched with the rolling bodies are formed in the ring.