A portable multi-light source flashlight

With the light source adjustment mechanism of the portable multi-light source flashlight, users can flexibly adjust the lens position, solving the problem of the non-adjustable beam range of existing flashlights and achieving precise beam control and diversified lighting effects.

CN224397746UActive Publication Date: 2026-06-23JIANGXI PLD LIGHTING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGXI PLD LIGHTING CO LTD
Filing Date
2025-08-04
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing flashlights cannot flexibly adjust the lens position, resulting in an inability to adjust the light range, achieve focused or diffused illumination, and limit their flexibility of use in different scenarios.

Method used

A portable multi-light source flashlight was designed. Through the light source adjustment mechanism, including the sleeve and lens, the user can flexibly adjust the lens position to achieve precise control of the beam width. The light adjustment is achieved by using a multi-color temperature LED array and circuit board.

Benefits of technology

It enables flexible beam adjustment to meet different lighting needs, provides a personalized lighting experience, and improves the diversity and practicality of lighting effects, making it suitable for different application environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of flashlights and discloses a portable multi-light source flashlight, including a shell and a light source adjustment mechanism. A battery is fixedly installed at the bottom of the shell, and a limiting plate is fixedly installed on the upper part of the inner side of the shell. A light source module is fixedly installed at the upper part of the limiting plate. The light source adjustment mechanism includes a sleeve and a lens. The sleeve has sliding grooves on both sides, and one of the two sliding grooves has multiple slots on both its front and rear sides. A slider is fixedly installed on both sides of the lens, and a movable block is fixedly installed on one side of one of the two sliders. A first-order spring is installed on both the front and rear sides of the movable block, and a locking block is fixedly installed on the opposite side of the two first-order springs. A pressing block is fixedly installed on one side of each of the two locking blocks. In this utility model, the user can flexibly adjust the lens position to achieve precise control of the beam width, ensuring the best beam effect in different application environments.
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Description

Technical Field

[0001] This utility model relates to the field of flashlights, and more particularly to a portable multi-light source flashlight. Background Technology

[0002] A flashlight is a portable lighting tool that is easy to carry. It is usually powered by batteries and emits light through a built-in bulb or LED. It is relatively small in size, easy to hold, and can be used as a temporary or emergency lighting device. Flashlights provide a light source in dark environments, such as when going out at night, during power outages, or exploring dark places.

[0003] In the process of developing this application, the inventors discovered the following problems with the existing technology: Conventional flashlights typically have a lens fixed in one position that cannot be adjusted, thus preventing the flexible variation of the light range as needed, resulting in the inability to achieve focused or diffused illumination. This design limits the adjustment of the beam width, making it impossible to achieve concentrated illumination or wide-angle lighting, thereby limiting its versatility and flexibility in different scenarios.

[0004] Therefore, those skilled in the art have provided a portable multi-light source flashlight to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a portable multi-light source flashlight. Users can flexibly adjust the lens position to achieve precise control of the beam width and ensure the best beam effect in different application environments.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A portable multi-light source flashlight includes a shell and a light source adjustment mechanism. A battery is fixedly installed at the bottom of the shell. A circuit board is fixedly installed at the bottom of the shell near the battery. A switch is installed at the upper front side of the circuit board. A button is installed at the front end of the shell. A limit plate is fixedly installed at the upper inner side of the shell. A light source module is fixedly installed at the upper upper part of the limit plate.

[0008] The light source adjustment mechanism includes a sleeve and a lens. The sleeve has grooves on both sides. One of the two grooves has multiple slots on both the front and back sides. The lens has sliders fixedly installed on both sides. One of the two sliders has a movable block fixedly installed on one side. The movable block has a No. 1 spring on both the front and back sides. The two No. 1 springs have a locking block fixedly installed on opposite sides. The two locking blocks have a pressing block fixedly installed on one side.

[0009] Furthermore, a charging port is provided at the lower end of the outer casing, and the battery is electrically connected to the charging port.

[0010] Furthermore, the battery is electrically connected to the circuit board, and the circuit board is electrically connected to the light source module.

[0011] Furthermore, the button and switch are connected by a spring, and the light source module is located at the lower end of the light source adjustment mechanism.

[0012] Furthermore, the lower end of the sleeve is threaded onto the upper inner side of the outer casing, and the lens is movably disposed at the inner end of the sleeve.

[0013] Furthermore, the two sliders are respectively slidably disposed at the inner ends of the two grooves, and the movable block passes through the sleeve and extends to the outer end of the sleeve.

[0014] Furthermore, the two card blocks are movably disposed within the multiple card slots, and the two pressing blocks are movably disposed on the front and rear sides of the movable block.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model proposes a portable multi-light source flashlight, which can quickly activate the light source module by triggering the switch with a button, ensuring instant illumination. It employs a multi-color temperature LED array, and the circuit board can continuously adjust the warm and cool white light to meet different lighting needs and provide a personalized lighting experience.

[0017] 2. This utility model proposes a portable multi-light source flashlight, allowing users to flexibly adjust the lens position to achieve precise control over the beam width. When the lens is moved away from the light source module, the beam becomes wider and more uniform, expanding the illumination range, making it ideal for occasions requiring broad illumination; conversely, when the lens is moved closer to the light source module, the beam becomes narrower and more focused, facilitating precise illumination at long distances. This not only improves the versatility and practicality of the lighting effect but also facilitates operation, ensuring optimal beam performance in different application environments, thereby meeting the lighting needs of various occasions. Attached Figure Description

[0018] Figure 1 This is an overall isometric schematic diagram of the present invention;

[0019] Figure 2 This is an exploded isometric view of the outer casing, battery, circuit board, switch, and button of this utility model;

[0020] Figure 3 This is a top-view axonometric schematic diagram of the housing and light source module of this utility model;

[0021] Figure 4 This is a top-view axonometric schematic diagram of the outer shell and the limiting plate of this utility model;

[0022] Figure 5This is an isometric schematic diagram of the light source module and the light source adjustment mechanism of this utility model;

[0023] Figure 6 This is a cross-sectional schematic diagram of the sleeve, groove, lens, slider, and movable block of this utility model;

[0024] Figure 7 This is an isometric schematic diagram of the lens, slider, movable block, locking block, and pressing block of this utility model;

[0025] Figure 8 This is a cross-sectional schematic diagram of the sleeve and slot of this utility model;

[0026] Figure 9 This utility model Figure 8 A partial schematic diagram of point A.

[0027] Legend:

[0028] 1. Housing; 2. Battery; 3. Circuit board; 4. Switch; 5. Button; 6. Light source module; 7. Limit plate; 8. Light source adjustment mechanism; 801. Sleeve; 802. Slide groove; 803. Lens; 804. Slider; 805. Movable block; 806. Slot; 807. No. 1 spring; 808. Locking block; 809. Pressing block. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Reference Figures 1-5 One embodiment provided by this utility model:

[0031] A portable multi-light source flashlight includes a housing 1 and a light source adjustment mechanism 8. A battery 2 is fixedly installed at the bottom of the housing 1. A circuit board 3 is fixedly installed at the bottom of the housing 1 near the battery 2. A switch 4 is installed at the upper front of the circuit board 3. A button 5 is installed at the front of the housing 1. A limit plate 7 is fixedly installed at the upper inner side of the housing 1. A light source module 6 is fixedly installed on the upper part of the limit plate 7. A charging port is installed at the lower end of the housing 1. The battery 2 is electrically connected to the charging port, the battery 2 is electrically connected to the circuit board 3, and the circuit board 3 is electrically connected to the light source module 6. The button 5 and the switch 4 are connected by a spring. The light source module 6 is located at the lower end of the light source adjustment mechanism 8.

[0032] Specifically, when the user presses button 5 on the device, the switch 4 triggers the circuit to conduct, transmitting the electrical energy stored in battery 2 to the main control circuit board 3. At this time, the embedded microcontroller of circuit board 3 starts the light source module 6 according to the preset program.

[0033] The light source module 6 is composed of LED arrays with different color temperatures. The circuit board 3 can precisely control the current ratio of each LED branch to achieve continuous adjustment from cool white light to warm white light.

[0034] The device is equipped with a charging port at the bottom. When connected to an external power source, it can quickly replenish the battery 2 while charging, ensuring that the device has a long battery life when used outdoors, thus providing users with stable and reliable lighting support.

[0035] Reference Figures 6-9 The light source adjustment mechanism 8 includes a sleeve 801 and a lens 803. The sleeve 801 has grooves 802 on both sides. One of the two grooves 802 has multiple slots 806 on both the front and rear sides. The lens 803 has sliders 804 fixedly mounted on both sides. One of the two sliders 804 has a movable block 805 fixedly mounted on one side. The movable block 805 has a first spring 807 on both the front and rear sides. The two first springs 807 have a locking block 808 fixedly mounted on opposite sides. The two locking blocks 808 have a pressing block 809 fixedly mounted on one side. The lower end of the sleeve 801 is threaded on the upper inner side of the outer casing 1. The lens 803 is movably mounted on the inner end of the sleeve 801. The two sliders 804 are slidably mounted on the inner ends of the two grooves 802 respectively. The movable block 805 passes through the sleeve 801 and extends to the outer end of the sleeve 801. The two locking blocks 808 are movably mounted on the inner ends of the multiple slots 806. The two pressing blocks 809 are movably mounted on the front and rear sides of the movable block 805.

[0036] Specifically, when using the device, the user first screws the sleeve 801 onto the top of the housing 1. The lens 803 can concentrate the light emitted by the light source module 6. The user can adjust the position of the lens 803 according to the lighting needs.

[0037] When the position of lens 803 needs to be adjusted, after the user presses the pressing blocks 809 on both sides of the movable block 805, the locking block 808 will move to the front and rear sides of the movable block 805, thus exiting from the slot 806. After the movable block 805 is moved down or up, the slider 804 will move along the slide groove 802. When the locking block 808 encounters another slot 806 during the movement, the first spring 807 will be activated, pushing the locking block 808 to automatically lock into the slot 806 at the new position, thereby fixing the position of lens 803.

[0038] When the position of lens 803 is adjusted to be away from the light source module 6, the beam becomes wider and more uniform, expanding the illumination range, which is suitable for occasions requiring extensive lighting; conversely, when lens 803 is adjusted closer to the light source module 6, the beam becomes narrower and more focused, which is helpful for long-distance lighting.

[0039] It should be noted that the diameter of the lens 803 is designed to match the inner diameter of the sleeve 801, thereby effectively preventing dust and dirt from entering the interior of the housing 1 and keeping the internal optical components clean and functioning properly.

[0040] Working principle: When the user presses button 5 on the device, the switch 4 trigger circuit is turned on, and the electrical energy stored in battery 2 is transmitted to the main control circuit board 3. At this time, the embedded microcontroller of circuit board 3 starts the light source module 6 according to the preset program.

[0041] Secondly, when the position of lens 803 needs to be adjusted, after the user presses the pressing blocks 809 on both sides of the movable block 805, the locking block 808 will move to the front and rear sides of the movable block 805, thus exiting from the slot 806. After moving the movable block 805 down or up, the slider 804 will move along the slide groove 802. When the locking block 808 encounters another slot 806 during the movement, the first spring 807 will be activated, pushing the locking block 808 to automatically lock into the new slot 806, thereby fixing the position of lens 803.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable multi-light source flashlight, comprising a housing (1) and a light source adjustment mechanism (8), characterized in that: A battery (2) is fixedly installed at the bottom of the inner shell (1). A circuit board (3) is fixedly installed at the bottom of the inner shell (1) near the battery (2). A switch (4) is installed on the upper front side of the circuit board (3). A button (5) is installed at the front end of the outer shell (1). A limit plate (7) is fixedly installed on the upper inner side of the outer shell (1). A light source module (6) is fixedly installed on the upper end of the limit plate (7). The light source adjustment mechanism (8) includes a sleeve (801) and a lens (803). The sleeve (801) has grooves (802) on both sides. One of the two grooves (802) has multiple slots (806) on both the front and rear sides. The lens (803) has sliders (804) fixedly installed on both sides. One of the two sliders (804) has a movable block (805) fixedly installed on one side. The movable block (805) has a first spring (807) on both the front and rear sides. The two first springs (807) have a locking block (808) fixedly installed on opposite sides. The two locking blocks (808) have a pressing block (809) fixedly installed on one side.

2. A portable multi-light source flashlight according to claim 1, characterized in that: The lower end of the outer casing (1) is provided with a charging port, and the battery (2) is electrically connected to the charging port.

3. A portable multi-light source flashlight according to claim 1, characterized in that: The battery (2) is electrically connected to the circuit board (3), and the circuit board (3) is electrically connected to the light source module (6).

4. A portable multi-light source flashlight according to claim 1, characterized in that: The button (5) and the switch (4) are connected by a spring, and the light source module (6) is located at the lower end of the light source adjustment mechanism (8).

5. A portable multi-light source flashlight according to claim 1, characterized in that: The lower end of the sleeve (801) is threaded on the upper inner side of the outer shell (1), and the lens (803) is movably disposed on the inner end of the sleeve (801).

6. A portable multi-light source flashlight according to claim 1, characterized in that: The two sliders (804) are respectively slidably disposed at the inner ends of the two slide grooves (802), and the movable block (805) passes through the sleeve (801) and extends to the outer end of the sleeve (801).

7. A portable multi-light source flashlight according to claim 1, characterized in that: Two card blocks (808) are movably disposed inside the multiple card slots (806), and two pressing blocks (809) are movably disposed on the front and rear sides of the movable block (805).