WO2016115756A1

WO2016115756A1 - Electric torch capable of dimming conveniently and rapidly

Info

Publication number: WO2016115756A1
Application number: PCT/CN2015/072207
Authority: WO
Inventors: 李文杰
Original assignee: 李文杰
Priority date: 2015-01-19
Filing date: 2015-02-04
Publication date: 2016-07-28
Also published as: CN104534295A; CN104534295B

Abstract

Disclosed is an electric torch of which a housing (1) comprises a torch head (11) and a torch body (12), wherein a power source is provided in the torch body (12) and is electrically connected to a light-emitting element (16), and an installation hole (14) is opened in the torch body (12). The electric torch further comprises a dimming mechanism, which comprises a rotary knob (2), a rotary member (7) rotating therewith, a first switch (8), and a circuit board (10). The rotary knob (2) comprises a rotary head (21) and a rotary rod (22), wherein the rotary rod (22) penetrates the installation hole (14) and extends into the torch body (12); a surface of a main body of the rotary member (7) is provided with a groove, and the main body of the rotary member (7) is fastened to one end of the rotary rod (22) of the rotary knob (2); the first switch (8) is electrically connected to the circuit board (10), the first switch (8) has a switching handle (81), the switching handle (81) is located in the groove of the surface of the main body of the rotary member (7), and the switching handle (81) is able to perform a switching action under an acting force applied by the rotating rotary member (7); and the circuit board (10) is electrically connected to the power source and the light-emitting element (16), and the circuit board (10) controls the level of current input by the power source into the light-emitting element (16) according to the switching action of the switching handle (81) of the first switch (8). The electric torch can dim conveniently and rapidly.

Description

A flashlight that can be easily dimmed

Technical field

The invention relates to a flashlight, in particular to a flashlight which can be conveniently dimmed.

Background technique

At present, the conventional flashlight can only control the opening or closing of the light-emitting element in terms of function. When in the application process, people often hope that the brightness of the flashlight can be easily adjusted as the lighting environment changes. The existing dimmable flashlight is usually dimmed by a button or a magnetic ring, and the button dimming operation is less intuitive, and the shifting is not fast enough. The magnetic ring dimming structure is complicated and costly. Therefore, it is highly desirable to provide a flashlight that can be easily dimmed and inexpensive.

Summary of the invention

In order to overcome the above disadvantages, it is an object of the present invention to provide a flashlight that can be easily dimmed.

In order to achieve the object, the technical scheme adopted by the present invention is as follows:

A flashlight includes a flashlight casing, a light-emitting component, a power source, and a component for controlling the opening and closing of the light-emitting component. The flashlight casing includes a barrel head and a barrel connected to each other, and a power source is disposed in the barrel body and electrically connected to the light-emitting element. The cylinder body is provided with a mounting hole, and the flashlight further includes a dimming mechanism, the dimming mechanism includes a knob, a rotating member rotating with the rotation of the knob, a first switch, and a circuit board, the knob a rotating head and a rotating rod, the rotating rod extending into the barrel through the mounting hole, and the rotating rod is rotatable within the mounting hole; the rotating member has a body, and the body surface is provided At least one groove, the rotating member is fastened to the end of the rotating rod of the knob; the first switch is electrically connected to the circuit board, the first switch has a switching handle, and the switching handle is located at the rotating member In the groove of the surface of the body, the switching handle is switched by the force applied by the rotating rotating member; the circuit board is electrically connected to the power source and the light emitting element, and the electric The board controls the switching operation of the first power input switch which switches handle the magnitude of the current light emitting element.

In a specific embodiment, the first switch is a rocking switch.

Preferably, the rotating member is a gear, and the first switch has a switching handle located in a slot of the gear surface.

In a specific embodiment, the means for controlling the opening and closing of the light emitting element comprises a second switch; the knob of the knob may also move up and down relative to the mounting hole, the flashlight further comprising a downward movement a rotating rod resetting spring, the second switch is electrically connected to the circuit board, and the second switch is rotatable relative to the mounting hole The rotating rod is touched, and the circuit board controls the opening and closing of the light emitting element according to a touch action between the rotating rod of the knob and the second switch.

Further, the second switch is a tact switch.

Preferably, the cylinder body further has a mounting groove formed thereon, the mounting groove surrounds the mounting hole, and the spring is disposed in the mounting groove and sleeved on the outer wall of the mounting hole.

Further, a circlip is further mounted on the rotating rod of the knob.

Further, the rotating rod of the knob is further provided with a waterproof ring.

Preferably, the rotating member has an outer diameter of the body that is larger than an inner diameter of the mounting hole.

The technical solution provided by the invention has the following beneficial effects:

(1) The flashlight provided by the present invention drives the rotating member to rotate by the rotation of the knob. Under the action of the rotating member, the switching handle of the first switch is switched. The circuit board switches according to the switching of the first switch. The action controls the magnitude of the current input to the light-emitting element in the circuit, thereby achieving the brightness adjustment of the light-emitting element. The flashlight adjusts the brightness of the flashlight by rotating the knob, which is more flexible and convenient to use.

(2) Further, the flashlight is further provided with a second switch, the second switch can be touched when the knob moves downward relative to the mounting hole, and the circuit board controls the light-emitting component according to the touch action between the rotating lever of the knob and the second switch The annihilation. By operating the knob, in addition to the adjustment of the brightness of the light, the opening and closing control of the light-emitting element can also be realized, and thus the use is more convenient.

DRAWINGS

1 is a schematic cross-sectional structural view of a flashlight;

2 is a schematic structural view of a flashlight barrel;

Figure 3 is an exploded perspective view of the dimming mechanism.

detailed description

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

The invention provides a flashlight, which can be seen in FIG. The flashlight includes a flashlight housing 1 that specifically includes a barrel head 11 and a barrel 12 that are interconnected, and the barrel head 11 and the barrel body 12 are specifically threaded. The flashlight also includes a light emitting element 16 and a power source. The light-emitting element 16 is, for example, an LED lamp or the like, and the light-emitting element 16 can be specifically attached to the front end of the barrel 12, that is, one end to which the barrel 12 and the barrel head 11 are connected. The power source is installed in the barrel 12, and is specifically provided in the barrel 12 for providing The power supply mounted receiving cavity 13 places a power source in the receiving cavity 13; the power source and the light emitting component 16 are electrically connected. The flashlight also has a component for controlling the opening and closing of the light-emitting element, and specifically, a switch button or the like which is common in the art can be used to control the opening and closing of the light-emitting element.

The flashlight of the present invention has a dimming mechanism for adjusting the brightness of the light-emitting elements, see Figs. The dimming mechanism specifically includes the following components: a knob 2, a rotating member 7, a first switch 8, and a circuit board 10. The knob 2 has a rotating head 21, and a rotating rod 22 extends from the bottom of the rotating head 21. A mounting hole 14 is defined in the barrel 12 of the flashlight housing. Referring to Figures 1 and 2, the rotating rod 22 of the knob 2 extends through the mounting hole 14 into the barrel 12, and the rotating rod 22 is rotatable within the mounting hole 14. . The rotating member 7 has its body fastened to the end of the rotating rod 22 of the knob 2, and the rotating member 7 is located inside the barrel 12. The body surface of the rotating member is provided with at least one groove. The first switch 8 is electrically connected to the circuit board 10. The first switch 8 is specifically selectable to be a rocking switch. The first switch 8 has a switching handle 81 which is located in a recess of the rotating member 7. Preferably, the rotating member 7 is specifically a gear. At this time, the switching lever 81 is located between two adjacent teeth 71 of the gear, that is, in one of the slots of the gear 7. When the knob 2 is rotated, the rotating rod 22 can drive the rotating member 7 to rotate, so that the rotating member 7 applies a force to the switching handle 81 of the first switch 8. The switching handle 81 can perform the switching action under the action of the force. For example, the switching handle 81 rotates in the forward or reverse direction. The circuit board 10 is electrically connected to the power source and the light-emitting element 16. The circuit board controls the current magnitude of the power input light-emitting element according to the switching action of the switch handle of the first switch, thereby realizing the adjustment of the light-emitting element light-emitting brightness. The specific dimming circuit of the circuit board is a prior art in the technical field, and details are not described herein again. Specifically, for example, a processor (or a chip) is integrated on the circuit board 10, and the switching handle of the first switch can be switched between the low level connection end and the high level connection end, thereby outputting a low level or a high level. Level, the integrated processor on the board controls the amount of current input to the light-emitting element 16 based on the detected low level signal or high level signal. The invention realizes the adjustment of the brightness of the light-emitting element 16 by rotating the knob 2, and the operation thereof is relatively convenient and flexible. Preferably, the outer diameter of the body of the rotating member 7 is larger than the inner diameter of the mounting hole 14.

Further, the flashlight of the present invention preferably achieves the control of the illuminating element 16 by the following means. See Figures 1-3 for a description. The flashlight of the present invention, which is used to control the opening and closing of the light-emitting element, specifically includes a tact switch 9 (hereinafter also referred to as a second switch). The flashlight of the present invention further includes a spring 3. The knob 2 has its rotating lever 22 also movable up and down with respect to the mounting hole 14. The sleeve 12 of the flashlight housing 1 further defines a mounting groove 15 surrounding the mounting hole 14. The spring 3 is mounted on the mounting groove 15 and sleeved on the outer wall of the mounting hole 14. The top of the spring 3 abuts the rotating head of the knob 2. 21. When the rotary lever 22 of the knob 2 moves downward relative to the mounting hole 14, the spring 3 is compressed by the rotary head 21 of the knob 2, so that the downwardly moving rotary lever 22 can be reset. The second switch 9 and the circuit board 10 are electrically connected. The second switch 9 can be contacted or touched when the rotary lever 22 of the knob 2 moves downward. The circuit board 10 controls the turn-off of the light-emitting element 16 in accordance with the touch action between the rotary lever 22 of the knob and the second switch 9. Specifically, for example, the processor integrated in the circuit board 10 controls the turn-off of the light-emitting element 16 according to the detected trigger signal of the second switch 9. The invention is implemented by pressing the knob 2 The opening and closing control of the light-emitting element 16 is very convenient.

Further, a circlip 6 is further mounted on the rotating rod 22 of the knob 2, and the circlip 6 is specifically mountable on the rotating rod 22 at a position above the gear 7. A waterproof ring 5 is also sleeved on the rotating rod 22 of the knob 2, and preferably the waterproof ring 5 is located in the mounting hole 14 to achieve a good waterproof effect. A pressing piece 4 is also attached to the bottom of the spring 3, and the pressing piece 4 is sleeved on the outer wall of the mounting hole 14.

The present invention is a technical solution that is further improved on the basis of the prior art, and is not specifically described herein, and is a common knowledge or a conventional means in the technical field, and will not be further described herein.

The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are possible without departing from the spirit and scope of the present invention. It means that these changes and variants are included.

Claims

A flashlight includes a flashlight casing, a light-emitting component, a power source, and a component for controlling the opening and closing of the light-emitting component. The flashlight casing includes a barrel head and a barrel connected to each other, and a power source is disposed in the barrel body and electrically connected to the light-emitting element. The cylinder body is provided with a mounting hole, and the flashlight further includes a dimming mechanism, the dimming mechanism includes a knob, a rotating member that rotates with the rotation of the knob, the first switch, and the circuit board. ,

The knob includes a rotating head and a rotating rod, the rotating rod extends into the barrel through the mounting hole, and the rotating rod is rotatable within the mounting hole;

The rotating member has a body, and the surface of the body is provided with at least one groove, and the rotating member is fastened to the end of the rotating rod of the knob;

The first switch is electrically connected to the circuit board, the first switch has a switching handle, and the switching handle is located in a groove of the body surface of the rotating member, and the switching handle is applied by the rotating rotating member The action of the force can be switched;

The circuit board is electrically connected to the power source and the light emitting element, and the circuit board controls a current magnitude of a current input to the light emitting element according to a switching action of the switching handle of the first switch.
The flashlight of claim 1 wherein said first switch is a rocking switch.
A flashlight according to claim 1, wherein said rotating member is a gear, and said first switch has a switching lever located in a slot of the gear surface.
The flashlight according to claim 1, wherein the means for controlling the opening and closing of the light-emitting element comprises a second switch; the rotary lever of the knob is further movable up and down with respect to the mounting hole, the flashlight further comprising a spring that can reset the downwardly moving rotating rod, the second switch is electrically connected to the circuit board, and the second switch can be touched by a rotating rod of a knob that moves downward relative to the mounting hole The circuit board controls the opening and closing of the light emitting element according to a touch action between the rotating lever of the knob and the second switch.
The flashlight of claim 4 wherein said second switch is a tact switch.
The flashlight according to claim 4, wherein the barrel further defines a mounting groove, the mounting groove surrounds the mounting hole, and the spring is disposed in the mounting groove and sleeved in the mounting The outer wall of the hole.
The flashlight according to claim 1, wherein a circlip is further mounted on the rotating lever of the knob.
The flashlight according to claim 1, wherein the rotating rod of the knob is further provided with a waterproof ring.
A flashlight according to claim 1, wherein said rotating member has an outer diameter of the body that is larger than an inner diameter of said mounting hole.