CN220186746U

CN220186746U - Flashlight with adjustable illumination

Info

Publication number: CN220186746U
Application number: CN202321976119.3U
Authority: CN
Inventors: 董金金
Original assignee: Ningbo Baobo Lighting Technology Co ltd
Current assignee: Ningbo Baobo Lighting Technology Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2023-12-15
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses an illumination-adjustable flashlight, which belongs to the technical field of illumination and comprises a lamp cap, an LED lamp and a lamp body, wherein a control circuit and a battery are arranged in the lamp body, the battery supplies power for the control circuit and the LED lamp, the control circuit is connected with the LED lamp, the control circuit comprises a potentiometer, a knob is arranged on the outer surface of the lamp body, the knob is connected with the potentiometer, the knob is rotated to adjust the resistance of the potentiometer, and the working current and/or the working voltage of the LED lamp are changed due to the resistance change of the potentiometer. The potentiometer is additionally arranged, the resistance value of the potentiometer is adjusted, and the illumination intensity of the flashlight is adjusted.

Description

Flashlight with adjustable illumination

Technical Field

The utility model relates to the field of lighting technology, in particular to an illumination-adjustable flashlight.

Background

The flashlight is a portable lighting tool and is widely applied to scenes such as outdoor activities, emergency rescue, night work, household use and the like. The portable illuminating device is simple in structure, convenient to operate, high in illumination capability and one of the indispensable tools in daily life of people.

The flashlight design basically includes a housing, a lamp head and a battery compartment. The housing is typically made of a durable material such as aluminum alloy or plastic to ensure excellent durability and waterproof performance. The inside of the lamp cap is provided with a high-brightness LED lamp or a xenon bulb, and the lamp cap is powered by a battery to generate bright light. The battery compartment is used for placing a battery and providing power for the lamp holder.

The illumination capability of a flashlight depends on the brightness and light gathering capability of its light source. Some high-end flashlights are also equipped with multiple illumination modes to meet the needs of different environments. Related prior art such as "a multifunctional LED flashlight" in chinese patent application; application number: CN201420742504.6; the LED lamp comprises a front cover and a straight pipe, wherein a battery compartment is arranged in the straight pipe, a reflecting cup is arranged in the front cover, a transparent cover is arranged between the front cover and the straight pipe, an LED lamp is arranged in the transparent cover, a limiting block is arranged at the end part of the outer side of the transparent cover, a limiting groove matched with the limiting block is formed in the inner side of the front cover, an external thread is arranged outside the transparent cover, an internal thread matched with the external thread of the transparent cover is arranged in the straight pipe, and a light source emitted by the LED lamp is subjected to condensation treatment through the reflecting cup, so that irradiation light is in straight line irradiation; the limiting block and the limiting groove are arranged, so that the transparent cover and the front cover can stretch back and forth, the condensation is adjusted into astigmatism, and the irradiation range is enlarged; the LED lamp can be switched on and off by adopting threaded connection between the transparent cover and the straight pipe, and the LED lamp is a rotary switch, so that the LED lamp is convenient to use and not easy to damage.

The utility model provides an illumination adjusting scheme with different structural designs, which can simply and conveniently adjust illumination intensity so as to adapt to different use requirements of users.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an illumination-adjustable flashlight, which is additionally provided with a potentiometer, so that the resistance value of the potentiometer is adjusted, and the illumination intensity of the flashlight is adjusted.

The utility model adopts the technical scheme that: the utility model provides an illumination adjustable flashlight, includes lamp holder, LED lamp and lamp body, the lamp body in install control circuit and battery, the battery is control circuit, LED lamp power supply, control circuit is connected with the LED lamp, control circuit include the potentiometre, lamp body surface mounting has the knob, the knob be connected with the potentiometre, the resistance of rotatory knob adjustment potentiometre, the resistance variation of potentiometre makes the operating current and/or the voltage variation of LED lamp.

Compared with the prior art, the LED lamp control circuit has the advantages that the potentiometer is additionally arranged in the control circuit and connected into the control circuit of the LED lamp, so that the current and/or the voltage in the control circuit can be changed by adjusting the potentiometer, namely, the current and/or the voltage when the LED lamp works are changed, namely, the power of the LED lamp is changed, and the luminous intensity when the LED lamp works can be adjusted. And secondly, the knob is arranged outside the lamp body in a variable manner and is connected with the potentiometer, so that the resistance value of the potentiometer can be adjusted by rotating the knob, a user can adjust the illumination intensity of the flashlight very simply and conveniently, and the electrodeless dimming lamp is used for electrodeless dimming.

In some embodiments of the utility model, the knob surface is provided with texture; the texture is concave strip-shaped concave, and the strip-shaped concave is distributed at the peripheral surface of the knob and the edge of the upper surface of the knob. The setting of knob surface texture for the user can stir easily when rotatory knob, can not skid.

In some embodiments of the utility model, the control circuit includes an indicator light set, where the indicator light set passes through the light body and is disposed near the knob. The indicating lamp group is used for indicating the working state of the flashlight, and a user can intuitively obtain the working state of the flashlight. The utility model sets the indicating lamp group close to the knob, which is convenient for users to observe the indicating lamp group.

In some embodiments of the utility model, the LED lamp further comprises a sleeve, the LED lamp is arranged at the front end of the lamp body, the sleeve is sleeved outside the front end of the lamp body, the lamp holder is provided with a lens, the lamp holder is connected with the sleeve through the damping piece, the lamp holder can move along the axial direction relative to the sleeve within a preset range, and the movement of the lamp holder drives the lens to move so as to change the distance between the lens and the LED lamp.

Firstly, the LED lamp is arranged in front of the lamp body, the lens is arranged on the lamp cap, and the LED lamp and the lens are mutually independent, so that the illumination effect of the flashlight is not fixed, but can be changed. Secondly, the sleeve is sleeved outside the lamp body, the lamp cap is connected with the sleeve, and the lamp cap is movable relative to the sleeve, namely the lens is movable relative to the LED lamp. Finally, the present utility model differs from the prior art in that the adjustment is achieved by using threads. According to the utility model, the damping piece is simply adopted to realize the connection between the lamp cap and the sleeve, so that the lamp cap can slowly move along the axial direction under the condition of external force, and the change of the light effect of the flashlight is realized. Compared with the prior art, the utility model adopts different scheme designs, has simpler structure and is more convenient to operate.

In some embodiments of the present utility model, the cap portion is embedded in the inner wall surface of the sleeve, the cap is sleeved with at least one circle of damping member, the damping member is lined on the inner wall surface of the sleeve, and the damping member is subjected to pressure applied by the cap and the sleeve.

The damping piece enables the lamp holder and the sleeve to move relatively, meanwhile, certain resistance is provided for the lamp holder and the sleeve to move relatively, the moving speed is low when the lamp holder and the sleeve are stressed, and the adjusting requirement of a user is met. Specifically, the damping member in the present utility model may be a sealing ring.

In some embodiments of the present utility model, an axial limiting member is disposed between the lamp body and the sleeve, and the axial limiting member limits the lamp body and the sleeve from axial relative displacement.

Specifically, the axial limiting part is an annular convex rib arranged on the outer surface of the lamp body, and the convex rib and the lamp body are coaxially arranged. In the utility model, the convex rib structure is additionally arranged, so that the resistance of axial movement between the lamp body and the sleeve is increased. The axial displacement between the sleeve and the lamp body is limited.

In some embodiments of the utility model, the lamp cap is in a cylindrical structure, the lens is installed on the inner wall surface of the lamp cap, and the lens shields the opening of the lamp cap. In particular, the lens of the utility model is a convex lens, which is not a common plane mirror.

In some embodiments of the utility model, the rear end of the lamp body is opened, the rear end of the lamp body is connected with the rear cover, the rear cover is detachably connected with the lamp body, the rear cover covers the opening, a battery compartment is arranged in the lamp body near the rear end, and the battery is arranged in the battery compartment.

In some embodiments of the present utility model, the surface of the rear cover is provided with a protrusion, and the protrusion is provided with a rope hole.

The above embodiments may be arbitrarily combined on the basis of common knowledge in the art.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural view of the rear end of the present utility model.

Wherein, the reference numerals specifically explain as follows: 1. a lamp base; 2. an LED lamp; 3. a lamp body; 4. a sleeve; 5. a lens; 6. a damping member; 7. an axial limiting member; 8. a control circuit; 9. a battery; 10. an indicator light set; 11. a rear cover; 12. threading the rope hole; 13. a knob; 14. a potentiometer.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

An illumination adjustable flashlight, as shown in fig. 1 and 2: including lamp holder 1, LED lamp 2 and lamp body 3, lamp body 3 in install control circuit 8 and battery 9, battery 9 is control circuit 8, LED lamp 2 power supply, control circuit 8 is connected with LED lamp 2, control circuit 8 include potentiometre 14, add potentiometre 14 in control circuit 8, insert potentiometre 14 in the control circuit 8 of LED lamp 2, then just can realize the electric current and/or change in the control circuit 8 through adjusting potentiometre 14, namely changed electric current and/or voltage when LED lamp 2 is worked, just also changed the power of LED lamp 2, just can realize adjusting the luminous intensity when LED lamp 2 is worked.

The knob 13 is arranged on the outer surface of the lamp body 3, the knob 13 is connected with the potentiometer 14, the knob 13 is rotated to adjust the resistance of the potentiometer 14, and the working current and/or the working voltage of the LED lamp 2 are changed due to the change of the resistance of the potentiometer 14. Therefore, the user can simply and conveniently adjust the illumination intensity of the flashlight, and the electrodeless dimming device is used for electrodeless dimming.

The surface of the knob 13 is provided with textures; the texture is concave strip-shaped concave, and the strip-shaped concave is distributed at the peripheral surface of the knob 13 and the edge of the upper surface of the knob 13. The arrangement of the surface texture of the knob 13 enables a user to easily stir when rotating the knob 13 without slipping.

The control circuit 8 comprises an indicating lamp set 10, and the indicating lamp set 10 penetrates out of the lamp body 3 and is arranged close to the knob 13. The indicating lamp set 10 is used for indicating the working state of the flashlight, so that a user can intuitively obtain the working state of the flashlight. The utility model sets the indicator lamp group 10 close to the knob 13, which is convenient for the user to observe the indicator lamp group 10.

In the second embodiment, as shown in fig. 2 to 4, the utility model further comprises a sleeve 4, the LED lamp 2 is mounted at the front end of the lamp body 3, the sleeve 4 is sleeved outside the front end of the lamp body 3, the lamp cap 1 is mounted with a lens 5, the lamp cap 1 is connected with the sleeve through a damping member 6, the lamp cap 1 can move along the axial direction relative to the sleeve within a preset range, and the lamp cap 1 moves to drive the lens 5 to move so as to change the distance between the lens 5 and the LED lamp 2. The present utility model differs from the prior art in that it uses threads to achieve adjustability. According to the utility model, the damping piece 6 is simply adopted to realize the connection between the lamp cap 1 and the sleeve, so that the lamp cap 1 can slowly move along the axial direction under the condition of external force, and the change of the light effect of the flashlight is realized. Compared with the prior art, the utility model adopts different scheme designs, has simpler structure and is more convenient to operate.

The lamp cap 1 is partially embedded into the inner wall surface of the cylinder sleeve 4, at least one circle of damping piece 6 is sleeved outside the lamp cap 1, the damping piece 6 is lined on the inner wall surface of the sleeve, and the damping piece 6 is subjected to pressure exerted by the lamp cap 1 and the cylinder sleeve 4. The damping piece 6 enables the lamp cap 1 and the barrel sleeve 4 to move relatively, meanwhile, certain resistance is provided when the lamp cap 1 and the barrel sleeve move relatively, the moving speed is low when the lamp cap and the barrel sleeve are stressed, and the adjustment requirement of a user is met. In particular, the damping member 6 of the present utility model may be a sealing ring.

An axial limiting part 7 is arranged between the lamp body 3 and the sleeve, and the axial limiting part 7 limits the lamp body 3 and the sleeve from axial relative displacement. Specifically, the axial limiting part 7 is an annular convex rib arranged on the outer surface of the lamp body 3, and the convex rib and the lamp body 3 are coaxially arranged. In the utility model, the convex rib structure is additionally arranged, so that the resistance of axial movement between the lamp body 3 and the sleeve is increased. The axial displacement between the sleeve and the lamp body 3 is restricted.

The lamp holder 1 is of a cylindrical structure, the lens 5 is arranged on the inner wall surface of the lamp holder 1, and the lens 5 shields the opening of the lamp holder 1. Specifically, the lens 5 of the present utility model is not a common plane mirror, and the lens 5 of the present utility model is a convex lens 5.

The rear end opening of lamp body 3, lamp body 3 rear end connection back lid 11, back lid 11 and lamp body 3 detachable connection, back lid 11 covers the opening, is provided with battery 9 storehouse in being close to the rear end department in the lamp body 3, battery 9 installs in battery 9 storehouse. The surface of the rear cover 11 is provided with a bulge, and the bulge is provided with a rope penetrating hole 12.

The other contents of the second embodiment are the same as those of the first embodiment.

The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides an illumination adjustable flashlight, its characterized in that includes lamp holder (1), LED lamp (2) and lamp body (3), lamp body (3) in install control circuit (8) and battery (9), battery (9) are control circuit (8), LED lamp (2) power supply, control circuit (8) are connected with LED lamp (2), control circuit (8) include potentiometre (14), lamp body (3) surface mounting have knob (13), knob (13) be connected with potentiometre (14), the resistance of potentiometre (14) is adjusted to rotatory knob (13), the resistance variation of potentiometre (14) makes the operating current and/or the voltage variation of LED lamp (2).

2. A flashlight of claim 1, wherein the knob (13) has a textured surface.

3. The flashlight of claim 2, wherein the texture is a concave strip-shaped recess, and the strip-shaped recess is arranged at the peripheral surface of the knob (13) and the edge of the upper surface of the knob (13).

4. The flashlight of claim 1, wherein the control circuit (8) includes an indicator light assembly (10), the indicator light assembly (10) being disposed through the body (3) adjacent to the knob (13).

5. The illumination adjustable flashlight of claim 1, further comprising a sleeve (4), wherein the LED lamp (2) is arranged at the front end of the lamp body (3), the sleeve (4) is sleeved outside the front end of the lamp body (3), the lens (5) is arranged on the lamp holder (1), the lamp holder (1) is connected with the sleeve through a damping piece (6), the lamp holder (1) can move along the axial direction within a preset range relative to the sleeve, and the lamp holder (1) moves to drive the lens (5) to move so as to change the distance between the lens (5) and the LED lamp (2).

6. The flashlight of claim 5, wherein the lamp cap (1) is partially embedded into the inner wall surface of the sleeve (4), at least one circle of damping member (6) is sleeved outside the lamp cap (1), the damping member (6) is lined on the inner wall surface of the sleeve, and the damping member (6) is subjected to the pressure exerted by the lamp cap (1) and the sleeve (4).

7. The flashlight of claim 5, wherein an axial limiting member (7) is disposed between the light body (3) and the sleeve, and the axial limiting member (7) limits the light body (3) from axial relative displacement with respect to the sleeve.

8. The flashlight with adjustable illumination according to claim 5, wherein the lamp cap (1) is of a cylindrical structure, the lens (5) is mounted on the inner wall surface of the lamp cap (1), and the lens (5) shields the opening of the lamp cap (1).

9. The flashlight with adjustable illumination according to claim 1, wherein the rear end of the flashlight body (3) is opened, the rear end of the flashlight body (3) is connected with the rear cover (11), the rear cover (11) is detachably connected with the flashlight body (3), the rear cover (11) covers the opening, a battery (9) bin is arranged in the flashlight body (3) close to the rear end, and the battery (9) is arranged in the battery (9) bin.

10. A flashlight with adjustable illumination as claimed in claim 9, wherein the rear cover (11) has protrusions with holes (12) for threading.