KR101193214B1 - Focal distance adjust flash flashlight - Google Patents

Abstract

PURPOSE: A flashlight controlling a focal distance is provided to control a distance from a reflector by moving a bulb and an assembly combined with the bulb. CONSTITUTION: A body(1) includes a switch(SW). A bulb assembly(3) is installed in the body and includes an outer tube(31), an inner tube(32), and a distance control unit. A reflector(5) forwardly induces light from a bulb(100). A lid(6) is screwed with the front of the body.

Description

Focus adjustable flash {FOCAL DISTANCE ADJUST FLASH FLASHLIGHT}

The present invention relates to a flash adjustable focus, and more particularly to a flash that can be adjusted by moving the light bulb assembly therein to adjust the distance to the reflector.

In general, the flash is designed to be easy to work in a dark place to carry, and is composed of a main body to be held by hand, a battery housed in the main body, a lamp and a switch electrically connected to the battery and emits light.

And a reflector and a cover is provided to concentrate the light of the lamp to increase the brightness.

The flashlight mainly focusing on the distant light is configured to be able to clearly see the target of the distant target by using a light bulb having a higher brightness with a high current, and rotate the cap screwed to the tip of the flashlight body. The focus is adjusted while moving the reflector coupled to the front and rear.

These flashlights can illuminate long distances, but in most cases they are used to illuminate the near field. Conventional conventional flashlights illuminate at the same brightness as the long distance even when illuminating the near field. The battery should be replaced, and therefore, the maintenance cost according to the purchase of the battery is not only increased, but there is also a problem of mass-producing waste batteries to contaminate the living environment in the long term.

Meanwhile, Korean Utility Model Registration Application No. 2004-5510 has been filed with a technology related to a flashlight and disclosed as a prior art.

Looking at the prior art, a body having a converter for converting the current and the battery or battery is seated therein, a handle formed on one side of the body, a transparent glass fitted to one end of the body, and a reflector fixed inside the transparent glass and In the lantern which is fixed to the reflector is separated from the body, and a light bulb fixed to the center of the reflector, the lower end of the bulb is terminal-contacted light; A reflecting mirror having a through hole protruding from the center and forming a plurality of blinking holes at the periphery of the through hole, but having a larger diameter at the lower part of the blinking hole and having a stepped upper portion; A flashing light holder projecting upward in the center of the plate body and having a seating groove in which a light bulb is seated inward, and having a plurality of lead wire inserting grooves in a periphery of the seating groove, and inserted and coupled from the bottom of the reflector; A light emitting diode blinking light inserted into a plurality of lead wire insertion grooves of the blinking light holder and protruding into a blinking hole through an inserting portion of the reflector; It was composed of a reflector equipped with a light emitting diode emergency flasher having a substrate positioned under the flashing light holder and having a lead wire of a light emitting diode flashing light bonded and fixed to repeatedly flash a plurality of flashing lights according to a program.

However, the prior art still has a problem that the lid is rotated to rotate the reflector in order to focus on the bulb, there is a problem that the lid is separated when excessive rotation, if too much pull the cap is unstable and the problem is broken by falling This occurred.

The present invention has been made to solve the above-mentioned problems of the prior art, by adjusting the distance from the reflector by moving the light bulb and the assembly coupled to the light bulb accommodated inside the main body is easy to use the focus is easy to use, the lid Its purpose is to provide a focus adjustable flash that can prevent loss or dropout.

The object of the present invention described above is a body having a switch, a light bulb assembly positioned inside the body, the bulb assembly is formed, a substrate on which a circuit for emitting a light bulb by the switch is arranged, and a reflector for guiding the light of the bulb forward And a lid fixed to the reflector and screwed to the front of the body, wherein the bulb assembly includes: an outer cylinder coupled to the body; An inner cylinder inserted into the outer cylinder to be movably coupled, a bulb formed at a front end, and the substrate formed therein; It can be achieved by a focus adjustable flashlight comprising a distance adjusting unit for adjusting the focus by adjusting the distance between the bulb and the reflector by moving the inner cylinder forward and backward.

The distance control unit, the operation hole is formed in a predetermined length on the body; A guide hole formed in the outer cylinder to a predetermined length and formed to match the operation hole; It is characterized in that it comprises a control knob inserted into the guide hole and screwed to the inner cylinder.

The operation hole is formed with a plurality of irregularities, the control knob is characterized in that the holder having an elastic piece to be elastically coupled to the irregularities.

On the other hand, the distance control unit, rotatably coupled to the inside of the body, the rotary gear body through which the outer peripheral gear is partially exposed through a through hole formed in one side of the body; A rack gear coupled to the rotary gear body and mounted to a rear end of the inner cylinder; It characterized in that it comprises a cutting hole formed in the longitudinal direction in the outer cylinder so that the rotary gear body penetrates.

The rotary gear body is characterized in that the pinion gear coupled to the body horizontally or vertically.

A first bevel gear is formed coaxially with the vertically coupled pinion gear, and a second bevel gear that is engaged with the rack gear is formed to convert the power of the vertically rotated pinion gear by 90 ° so that the rack gear is driven. It is characterized by one.

On the other hand, the distance adjusting unit, the electric motor is mounted to the outer cylinder, the drive gear is formed on the motor shaft, the bracket protruding outward; A screw shaft formed at a rear end of the inner cylinder and coupled to a bracket of the outer cylinder; An interlocking gear coupled to the screw shaft and gear-coupled with a drive gear of the motor shaft; The screw shaft is coupled to the rear end of the inner cylinder to pass through, characterized in that it comprises a sleeve for supporting the interlocking gear.

It characterized in that it comprises a motor switch for controlling the on / off operation of the electric motor.

The motor switch is characterized in that when the upper portion of the button is rotated in the direction in which the electric motor is advanced, pressing the lower portion of the button is characterized in that the electric motor is rotated in the reverse direction.

According to the present invention by moving the assembly combined with the light bulb to adjust the distance to the reflector, the focus can be adjusted and convenient to use, there is an effect of preventing the closing or dropping the lid.

1 is an exploded perspective view showing a first embodiment of a focus adjustable flash according to the present invention,
Figure 2 is a side cross-sectional view showing a first embodiment of the focus adjustable flash according to the present invention,
Figure 3 is a front sectional view showing a first embodiment of the focus adjustable flash according to the present invention,
Figure 4 is an exploded perspective view showing a second embodiment of the focus adjustable flash according to the present invention,
Figure 5 is a side cross-sectional view showing a second embodiment of the focus adjustable flash according to the present invention,
Figure 6 is a front sectional view showing a second embodiment of the focus adjustable flash according to the present invention,
Figure 7 is an exploded perspective view showing a modification of the second embodiment of the focus adjustable flash according to the present invention,
8 is an exploded perspective view showing a second embodiment 2-2 of the focus adjustable flash according to the present invention;
9 is a front sectional view showing a second embodiment of the second adjustable focus according to the present invention,
10 is an exploded perspective view showing a third embodiment of the focus adjustable flash according to the present invention;
Figure 11 is a side cross-sectional view showing a third embodiment of the focus adjustable flash according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First Embodiment

As shown in Figures 1 to 3, the focus adjustable flash A1 according to the first embodiment of the present invention, the body (1) having a switch (SW), and is located inside the body (1) A light bulb assembly 3 in which the light bulb 100 is formed, a substrate on which a circuit for emitting the light bulb 100 is arranged by a switch SW, a reflector 5 for guiding the light of the light bulb 100 to the front, The reflector 5 is fixed and consists of a lid 6 which is screwed in front of the body 1.

The bulb assembly (3), the outer cylinder 31 is coupled to the body (1); An inner cylinder 32 inserted into the outer cylinder 31 and movably coupled thereto, the bulb 100 being formed at the front end, and the substrate formed therein; The inner cylinder 32 is moved forward and backward to include a distance adjusting unit for adjusting the focus by adjusting the distance between the light bulb 100 and the reflecting mirror (5).

The body 1 is made of a pistol shape to facilitate gripping so that the handle 13 is formed at the bottom.

And the switch (SW) is formed on the front of the handle (13).

The outer surface of the inner cylinder 32 is provided with an elastic support (9) protruding elastically to the outside, the elastic support (9) to be elastically supported on the inner circumferential surface of the outer cylinder 31 to the inner cylinder ( 32) and the shake or play between the outer cylinder 31 to be prevented.

The elastic support 9 is composed of a spring 92 inserted into the groove of the inner cylinder 32 and a steel ball 91 supported by the spring 92.

In another embodiment described below, the elastic support 9 is formed in the inner cylinder 32, and duplicate description thereof will be omitted.

The distance adjusting unit operating hole 16 is formed to a predetermined length in the body (1); A guide long hole 310 formed at a predetermined length in the outer cylinder 31 and formed to coincide with the operation hole 16; Is inserted into the guide hole 310 is configured to include a control knob 322 screwed to the inner cylinder (32).

The operation hole 16 is formed with a plurality of irregularities 162, the control knob 322 is formed at one end of the holder 324 having an elastic piece 325 to be elastically coupled to the irregularities 162. The other end is composed of a lever shaft 323 screwed to the side of the inner cylinder 32, and a handle 326 formed on one end of the lever shaft 323.

The unevenness 162 is formed symmetrically on both sides in the longitudinal direction of the operating hole 16, preferably made of a triangular projection and groove.

Thus, one projection and a grooved unit shall be determined as one pitch.

Accordingly, when the control knob 322 is held forward or backward, the inner cylinder 32 is moved forward or backward along the operating hole 16 and the guide long hole 310, thereby enabling focus adjustment.

At this time, the holder 324 formed on the adjustment knob 322 can be fixed every time the unevenness 162 of the operating hole 16 by one pitch, it is possible to precisely adjust the distance.

Second Embodiment

4 to 6, the focus adjustable flash A2 according to the second embodiment of the present invention includes a body 1 having a switch SW, and is located inside the body 1. A light bulb assembly 3 in which the light bulb 100 is formed, a substrate on which a circuit for emitting the light bulb 100 is arranged by a switch SW, a reflector 5 for guiding the light of the light bulb 100 to the front, The reflector 5 is fixed and consists of a lid 6 which is screwed in front of the body 1.

The bulb assembly (3), the outer cylinder 31 is coupled to the body (1); An inner cylinder 32 inserted into the outer cylinder 31 and movably coupled thereto, the bulb 100 being formed at the front end, and the substrate formed therein; The inner cylinder 32 is moved forward and backward to include a distance adjusting unit for adjusting the focus by adjusting the distance between the light bulb 100 and the reflecting mirror (5).

The distance adjusting unit is rotatably coupled to the inside of the body (1), the rotary gear body 7 through which the outer peripheral gear is partially exposed through the through hole 18 formed on one side of the body (1); A rack gear 328 coupled to the rotary gear body 7 and mounted to a rear end of the inner cylinder 32; It comprises a cutting hole 316 formed in the longitudinal direction in the outer cylinder 31 so that the rotary gear body 7 penetrates.

The body 1 is made of a pistol shape to facilitate gripping so that the handle 13 is formed at the bottom.

And the switch (SW) is formed on the front of the handle (13).

The rotary gear body 7 is a pinion gear coupled to the body 1 horizontally or vertically.

Therefore, a part of the horizontally mounted pinion gear is exposed to the outside through the through hole 18, so if the user pushes or pulls it with the finger, the rack gear 328 is moved forward and backward so that the inner cylinder 32 connected thereto may be moved forward and backward. Adjustment is possible.

Example 2-2

Meanwhile, as shown in FIG. 7, another embodiment of the distance adjuster 3 ′ is geared to the rotary gear body 7 ′ coupled to the through hole of the body 1 and has a rack gear 328 ′ formed on the outer surface thereof. Inner cylinder 32 '; An incision hole 316 is formed in the longitudinal direction so that the rotary gear body 7 'is penetrated, and the inner cylinder 32' is composed of an outer cylinder 31 'into which the inner cylinder 32' is inserted.

Accordingly, by rotating the rotary gear body 7 ', the inner cylinder 32' on which the bulb 100 is formed can be advanced back and forth, thereby allowing focus adjustment.

Meanwhile, as shown in FIGS. 8 and 9, according to another embodiment A2-2 of the second embodiment, the distance adjuster 3 ″ is rotatably coupled to the inside of the body 1, and the body (1) a vertical wheel (G2) to expose a portion of the outer circumference through the incision hole (18 ') formed perpendicular to one side; screwed to the center of the vertical wheel (G2) and the rear end of the inner cylinder (32) It is configured to include a screw shaft (G1) mounted on.

Therefore, when the vertical wheel (G2) is rotated, the screw shaft (G1) is moved forward and backward, and driven by this, the inner cylinder 32 is moved forward and backward to adjust the focus.

Third Embodiment

10 and 11, the focus adjustable flash A3 according to the third embodiment of the present invention, the body (1) having a switch (SW), and is located inside the body (1) A light bulb assembly 3 in which the light bulb 100 is formed, a substrate on which a circuit for emitting the light bulb 100 is arranged by a switch SW, a reflector 5 for guiding the light of the light bulb 100 to the front, The reflector 5 is fixed and consists of a lid 6 which is screwed in front of the body 1.

The bulb assembly (3), the outer cylinder 31 is coupled to the body (1); An inner cylinder 32 inserted into the outer cylinder 31 and movably coupled thereto, the bulb 100 being formed at the front end, and the substrate formed therein; The inner cylinder 32 is moved forward and backward to include a distance adjusting unit for adjusting the focus by adjusting the distance between the light bulb 100 and the reflecting mirror (5).

The distance adjusting unit, the electric motor 8 is mounted to the outer cylinder 31, the drive gear 82 is formed on the shaft, the bracket 83 protruding outward is formed; A screw shaft 84 formed at a rear end of the inner cylinder 32 and coupled to the bracket 83 of the outer cylinder 31; An interlocking gear 85 coupled to the screw shaft 84 and gear-coupled with the drive gear 82; It is coupled to the rear end of the inner cylinder 32 so that the screw shaft 84 penetrates, and comprises a sleeve 86 for supporting the interlocking gear 85.

The body 1 is made of a pistol shape to facilitate gripping so that the handle 13 is formed at the bottom.

And on one side of the handle 13 is formed a motor switch (BSW) for controlling the on / off operation of the electric motor (8).

Preferably, the switch (SW) for controlling the on / off of the bulb 100 is formed in the front, the motor switch (BSW) of the electric motor (8) is formed in the rear.

In addition, the motor switch (BSW) is configured to rotate in the direction in which the electric motor 8 advances when the upper portion of the button is pressed, and rotates in the direction in which the electric motor 8 is reversed when the lower portion of the button is pressed.

Therefore, when the power is applied, pressing the upper portion of the button of the motor switch (BSW) is driven the electric motor 8 is driven accordingly the drive gear 82 to rotate the interlocking gear 85, this interlocking gear 85 coupling Since the screw shaft 84 is advanced, the inner cylinder 32 to which the screw shaft 84 is connected is advanced.

On the contrary, when the lower part of the button of the motor switch BSW is pressed, the electric motor 8 is driven in the opposite direction, so that the screw shaft 84 is rotated by the reverse rotation of the drive gear 82 and the reverse rotation of the driven gear 85. ) Is reversed, followed by the inner cylinder 32 is reversed.

Therefore, focus adjustment is possible by the forward and backward operation of the screw shaft 84 and the forward and backward operation of the inner cylinder 32 which is driven by it.

Alternatively, the motor switch BSW is configured to increase the forward rotation speed of the electric motor 8 by pressing and holding the upper portion of the button, and to increase the backward rotation speed of the electric motor 8 by pressing and holding the lower portion of the button.

As the power supplied to the electric motor 8 and the light bulb 100, commercial batteries such as a vehicle battery or a portable battery may be used.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

1: body 3: bulb assembly
5: reflector 6: lid
7: rotary gear body 8: electric motor
13: handle 16: operator
31: outer cylinder 32: inner cylinder
84: screw shaft 85: interlocking gear
86: sleeve 310; Guide officer
316: cutting hole 322: adjustment knob
328: Rack Gear

Claims (10)

delete delete A body having a switch, a light bulb assembly positioned inside the body, the bulb assembly having a light bulb formed thereon, a substrate on which circuits for emitting a light bulb are arranged by a switch, a reflector for guiding the light of the bulb forward, and a reflector fixed to the It consists of a lid screwed to the front,
The bulb assembly,
An outer cylinder coupled to the body;
An inner cylinder inserted into the outer cylinder to be movably coupled, a bulb formed at a front end, and the substrate formed therein;
It includes a distance adjusting unit for advancing the inner cylinder back and forth to adjust the focus by adjusting the distance between the bulb and the reflector,
The distance control unit,
An operating hole formed in the body to a predetermined length;
A guide hole formed in the outer cylinder to a predetermined length and formed to match the operation hole;
A control knob inserted into the guide hole and screwed to the inner cylinder;
The operating hole is formed with a plurality of irregularities,
The focus knob adjustable flash characterized in that the adjusting knob is formed with a holder having an elastic piece to elastically couple to the uneven. A body having a switch, a light bulb assembly positioned inside the body, the bulb assembly having a light bulb formed thereon, a substrate on which circuits for emitting a light bulb are arranged by a switch, a reflector for guiding the light of the bulb forward, and a reflector fixed to the It consists of a lid screwed to the front,
The bulb assembly,
An outer cylinder coupled to the body;
An inner cylinder inserted into the outer cylinder to be movably coupled, a bulb formed at a front end, and the substrate formed therein;
It includes a distance adjusting unit for advancing the inner cylinder back and forth to adjust the focus by adjusting the distance between the bulb and the reflector,
The distance control unit,
A rotary gear body rotatably coupled to the inside of the body and configured to partially expose an outer circumference gear through a through hole formed at one side of the body;
A rack gear coupled to the rotary gear body and mounted to a rear end of the inner cylinder;
Incision hole formed in the longitudinal direction in the outer cylinder to penetrate the rotary gear body
Flash adjustable focus characterized in that it comprises a. The method of claim 4, wherein
The rotating gear body is horizontally or vertically coupled to the body and focusable adjustable flashlight, characterized in that the pinion gear is geared to the rack gear. A body having a switch, a light bulb assembly positioned inside the body, the bulb assembly having a light bulb formed thereon, a substrate on which circuits for emitting a light bulb are arranged by a switch, a reflector for guiding the light of the bulb forward, and a reflector fixed to the It consists of a lid screwed to the front,
The bulb assembly,
An outer cylinder coupled to the body;
An inner cylinder inserted into the outer cylinder to be movably coupled, a bulb formed at a front end, and the substrate formed therein;
It includes a distance adjusting unit for advancing the inner cylinder back and forth to adjust the focus by adjusting the distance between the bulb and the reflector,
The distance control unit
A vertical wheel rotatably coupled to the inside of the body and configured to partially expose the outer gear through an incision formed vertically on one side of the body;
Screw shaft attached to the center of the vertical wheel and mounted to the rear end of the inner cylinder
Flash adjustable focus characterized in that it comprises a. A body having a switch, a light bulb assembly positioned inside the body, the bulb assembly having a light bulb formed thereon, a substrate on which circuits for emitting a light bulb are arranged by a switch, a reflector for guiding the light of the bulb forward, and a reflector fixed to the It consists of a lid screwed to the front,
The bulb assembly,
An outer cylinder coupled to the body;
An inner cylinder inserted into the outer cylinder to be movably coupled, a bulb formed at a front end, and the substrate formed therein;
It includes a distance adjusting unit for advancing the inner cylinder back and forth to adjust the focus by adjusting the distance between the bulb and the reflector,
The distance control unit,
An electric motor mounted to the outer cylinder and having a drive gear formed on the motor shaft and having a bracket protruding outward;
A screw shaft formed at a rear end of the inner cylinder and coupled to a bracket of the outer cylinder;
An interlocking gear coupled to the screw shaft and gear-coupled with a drive gear of the motor shaft;
A sleeve that is coupled to the rear end of the inner cylinder to penetrate the screw shaft, and supports the interlocking gear
Flash adjustable focus characterized in that it comprises a. 8. The method of claim 7,
A focus adjustable adjustable flashlight comprising a motor switch for controlling the on / off operation of the electric motor. 8. The method of claim 7,
The motor switch is rotated in the direction in which the electric motor is advanced when the upper portion of the button is pressed, the focus can be adjusted by rotating the electric motor in the reverse direction when the lower portion of the button. The method according to any one of claims 3, 4, 6, and 7,
The outer surface of the inner cylinder is elastically projected to the outside is formed an elastic support that is supported on the inner circumferential surface of the outer cylinder,
The elastic support is a focus adjustable flash characterized in that it consists of a spring inserted into the groove of the inner cylinder, and a steel ball supported by the spring.

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