A multifunction head lamp with flexible body focal length

By designing a multi-functional headlamp with flexible and adjustable body focal length, the problems of inflexible focal length adjustment, limited functionality, insufficient battery life, and poor sealing of existing headlamps have been solved, achieving flexible focal length adjustment, multi-functional use, and improved sealing and drop resistance.

CN224551389UActive Publication Date: 2026-07-24JX KMS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JX KMS CO LTD
Filing Date
2025-07-04
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing headlights have inflexible focus adjustment, limited functionality, insufficient battery life, and poor sealing and drop resistance.

Method used

A multi-functional headlamp with flexible and adjustable body focal length has been designed. It adopts a fully sealed design and integrates a focal length adjustment device, multiple lighting modes, power indicator function and infrared sensing function. It uses a high-capacity polymer lithium battery and is equipped with an intelligent battery management system. The shell is made of high-strength wear-resistant material, and a threaded connection and adjustable connector ensure a secure fit.

Benefits of technology

It achieves flexible focal length adjustment, enhances the headlamp's battery life, improves sealing and drop resistance, and provides multiple lighting modes and a convenient user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of multifunctional head lamp with flexible adjustable focal length of fuselage, including lamp cap, lamp body and headband.Focal length adjusting device is equipped inside lamp cap, by rotating or sliding adjusting component, can realize to the stepless adjustment of light focal length.The head lamp is also integrated with multiple illumination modes, power indication function and infrared induction function.High-capacity polymer lithium battery is used as power supply, and equipped with intelligent battery management system, the battery has the advantages of high energy density, low self-discharge rate, long cycle life, etc., and the battery management system can control the intelligent charge and discharge of battery.The shell is designed with full sealing, and high-strength, wear-resistant, corrosion-resistant materials are selected, with good drop resistance and waterproof performance.The utility model has obvious advantages such as flexible focal length adjustment, multifunctional integration, efficient power supply system and rugged and durable shell, can adapt to various harsh environments, and meet the lighting needs of users in different scenarios.
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Description

Technical Field

[0001] This utility model relates to the field of lighting equipment technology, and in particular to a multi-functional headlamp with a flexible and adjustable body focal length. Background Technology

[0002] With the increasing demands of people's lives and work, headlamps, as portable lighting tools, play a vital role in various scenarios such as outdoor exploration, nighttime operations, and emergency rescue. However, existing headlamps have some limitations in use. First, the focus adjustment function of most headlamps is not flexible enough to meet the lighting needs of users at different distances and in different scenarios. Therefore, there is an urgent need for a headlamp with flexible and adjustable focus and multiple functions to meet market demands. Utility Model Content

[0003] The purpose of this invention is to provide a multi-functional headlamp with flexible and adjustable focal length, addressing the problems of inflexible focal length adjustment, limited functionality, insufficient battery life, and poor sealing and shock resistance in existing headlamps. This invention provides a multi-functional headlamp with flexible and adjustable focal length, including a lamp head, a lamp body, and a headband. A focal length adjustment device is installed inside the lamp head, allowing for stepless adjustment of the light focus by rotating or sliding the adjustment component. The headlamp also integrates multiple lighting modes, a power indicator, and an infrared sensor. It uses a high-capacity polymer lithium battery as its power source and is equipped with an intelligent battery management system. This battery has advantages such as high energy density, low self-discharge rate, and long cycle life. The battery management system can intelligently control the charging and discharging of the battery. The outer shell adopts a fully sealed design, using high-strength, wear-resistant, and corrosion-resistant materials, providing excellent shock resistance and waterproof performance.

[0004] Furthermore, the focus adjustment device includes an adjustment ring and a lens group. The adjustment ring is located outside the front end of the lamp head, and the lens group is located inside the lamp head. The adjustment ring is connected to the lens group through a connecting rod.

[0005] Furthermore, the lamp head is also equipped with multiple LED beads, a power indicator light, and an infrared sensor. The LED beads, power indicator light, and infrared sensor are connected to a battery installed inside the lamp body via wires.

[0006] Furthermore, a charging interface is provided at the bottom of the lamp body, and the charging interface is connected to the battery via a wire.

[0007] Furthermore, the lamp head and the lamp body are connected by threads, and the headband and the lamp body are connected by an adjustable connector. The connector includes a connecting buckle and an adjusting strap. The adjusting strap is sewn to the headband, and the connecting buckle is engaged with a connecting hole on the lamp body.

[0008] Furthermore, the outer shell of the lamp head and the outer shell of the lamp body adopt a fully sealed design, and all gaps and interfaces are sealed with waterproof rubber rings or sealant.

[0009] Furthermore, the outer shell is made of high-strength, wear-resistant, and corrosion-resistant engineering plastics or metals, and the outer shell is integrally formed by injection molding or stamping.

[0010] Furthermore, the outer side of the adjusting ring is provided with anti-slip texture, and the inner side is provided with a threaded structure connected to the lens group, for precisely adjusting the position of the lens group.

[0011] Furthermore, the lens group includes at least two lenses, each lens being connected by a spacer ring, with both ends of the spacer ring being fixedly connected to the outer edges of adjacent lenses.

[0012] Furthermore, the LED beads are soldered onto the lamp board, which is connected to the battery via wires and fixed to the inner wall of the lamp head.

[0013] Furthermore, the power indicator light includes at least three LED indicators of different colors, each LED indicator light is independently connected to the battery via a wire, and the indicator lights are fixed on the front shell of the lamp body.

[0014] Furthermore, the infrared sensor is installed inside the front end of the lamp head and comes into contact with the external environment through the sensing window. The signal output terminal of the infrared sensor is connected to the control circuit board through a wire, and the control circuit board is fixed on the inner wall of the lamp head.

[0015] Furthermore, the charging interface is a USB-C type interface or a Micro-USB type interface, with a metal contact piece inside the interface. The metal contact piece is connected to the charging terminal of the battery through a wire. A rubber dust plug is provided on the outside of the charging interface, and the rubber dust plug is connected to the lamp body through an elastic rope.

[0016] Furthermore, the connecting buckle includes an upper buckle body and a lower buckle body. The upper buckle body is fixedly connected to one end of the adjusting belt, and the lower buckle body is connected to the connecting hole on the lamp body by a snap-fit ​​method. The upper buckle body and the lower buckle body are fixed together by an elastic hook.

[0017] Furthermore, the waterproof rubber ring is set at the connection between the lamp head and the lamp body, around the charging interface, and around the mounting holes of the power indicator and the infrared sensor, and the sealant is filled in the splicing gaps of the outer shell.

[0018] Furthermore, the outer shell of the lamp head and the outer shell of the lamp body are each composed of two half shells, which are spliced ​​together by ultrasonic welding or screw connection. The inner wall of the outer shell is provided with reinforcing ribs, which are integrally formed with the outer shell. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the first embodiment of the present utility model;

[0020] Figure 2 This is a side view of the first embodiment of the present utility model;

[0021] Figure 3 This is a bottom view of the first embodiment of the present invention. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more comprehensive description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0023] Please refer to Figures 1 to 3. This embodiment of the utility model provides a multi-functional headlamp with flexible adjustable focal length, including a lamp head 1, a lamp body 2, and a headband 3. The lamp head 1 has an internal focal length adjustment device, which includes an adjustment ring 4 and a lens group 5. The adjustment ring 4 is located on the front exterior of the lamp head 1, and the lens group 5 is disposed inside the lamp head 1. The adjustment ring 4 is connected to the lens group 5 via a connecting rod. The lamp head 1 also contains multiple LED beads 6, a power indicator light, and an infrared sensor. The LED beads 6, power indicator light, and infrared sensor are connected to a battery disposed inside the lamp body 2 via wires. The bottom of the lamp body 2 has a charging interface 7, which is connected to the battery via wires. The lamp head 1 and the lamp body 2 are connected by threads, and the headband 3 and the lamp body 2 are connected by an adjustable connector 31. The connector 31 includes a connecting buckle and an adjusting strap. The adjusting strap is sewn to the headband 3, and the connecting buckle is engaged with the connecting hole on the lamp body 2. The outer shell of the lamp head 1 and the outer shell of the lamp body 2 adopt a fully sealed design, and all gaps and interfaces are sealed with waterproof rubber rings 10.

[0024] In one embodiment of this invention, the adjusting ring 4 has anti-slip textures on its outer side and a threaded structure on its inner side that connects to the lens group 5, for precisely adjusting the position of the lens group 5. By rotating the adjusting ring 4, the user can flexibly adjust the focal length of the light beam according to actual lighting needs, achieving switching between close-range wide-angle lighting and long-range focused lighting.

[0025] In one embodiment of this invention, the lens group 5 includes two lenses, each connected by a spacer ring, with both ends of the spacer ring fixedly connected to the outer edges of the adjacent lenses. This design helps to improve the focusing effect and illumination efficiency of light.

[0026] In one embodiment of this utility model, the LED beads 6 are soldered onto the lamp board 8, which is connected to the battery via wires and fixed to the inner wall of the lamp head 1. The design of the lamp board 8 helps to improve the heat dissipation performance of the LED beads 6 and extend their service life.

[0027] In one embodiment of this utility model, the charging interface 7 is a USB-C type interface. The interface has internal metal contact pieces connected to the charging terminal of the battery via wires. Externally, the charging interface 7 is equipped with a rubber dust plug 9, which is connected to the lamp body 2 via an elastic cord. The USB-C type interface has advantages such as reversible insertion and fast charging speed. The rubber dust plug 9 effectively prevents dust and water from entering the charging interface 7, improving the headlamp's waterproof performance.

[0028] In one embodiment of this utility model, the connecting buckle includes an upper buckle body and a lower buckle body. The upper buckle body is fixedly connected to one end of the adjusting strap, and the lower buckle body is connected to the connecting hole on the lamp body 2 by a snap-fit ​​mechanism. The upper buckle body and the lower buckle body are fixed together by an elastic hook. This connection method is simple to operate, and the user can quickly adjust the length of the headband 3 according to the head circumference to ensure that the headlamp is comfortable and secure to wear.

[0029] In one embodiment of this utility model, the waterproof rubber ring 10 is disposed at the connection between the lamp head 1 and the lamp body 2, around the charging interface 7, and around the mounting holes of the power indicator and the infrared sensor. The waterproof rubber ring 10 effectively prevents moisture and dust from entering the headlamp, ensuring the normal use of the headlamp in harsh environments.

[0030] In one embodiment of this utility model, the outer shells of the lamp head 1 and the lamp body 2 are injection molded from high-strength, wear-resistant, and corrosion-resistant engineering plastics. The inner wall of the outer shell is provided with reinforcing ribs, which are integrally molded with the outer shell, improving the structural strength and impact resistance of the outer shell and extending the service life of the headlamp.

[0031] In practical use, users can switch the headlamp's lighting modes, including high beam, low beam, and strobe modes, by pressing the control button on the lamp body 2. The battery indicator light displays the remaining battery power using LEDs of different colors. When the battery is low, users can charge it via the charging port 7. An infrared sensor automatically detects human activity, enabling automatic on / off switching of the lamp, improving ease of use and energy efficiency.

[0032] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A multi-functional headlamp with adjustable body focal length, comprising a lamp head (1), a lamp body (2), and a headband (3), characterized in that: The lamp head (1) is equipped with a focus adjustment device, which includes an adjustment ring (4) and a lens group (5). The adjustment ring (4) is located outside the front end of the lamp head (1), and the lens group (5) is located inside the lamp head (1). The adjustment ring (4) is connected to the lens group (5) through a connecting rod. The lamp head (1) is also equipped with multiple LED beads (6), a power indicator light, and an infrared sensor. The lamp bead (6), power indicator and infrared sensor are respectively connected to the battery set in the lamp body (2) through wires; the bottom of the lamp body (2) is provided with a charging interface (7), which is connected to the battery through wires; the lamp head (1) and the lamp body (2) are connected by threads, and the headband (3) and the lamp body (2) are connected by an adjustable connector (31). The connector (31) includes a connecting buckle and an adjusting strap. The adjusting strap is sewn to the headband (3), and the connecting buckle is connected to the connecting hole on the lamp body (2); the outer shell of the lamp head (1) and the outer shell of the lamp body (2) adopt a fully sealed design, and all gaps and interfaces are sealed with waterproof rubber rings (10).

2. The multi-functional headlamp with flexible adjustable focal length according to claim 1, characterized in that, The outer side of the adjustment ring (4) is provided with anti-slip texture, and the inner side is provided with a threaded structure connected to the lens group (5).

3. A multi-functional headlamp with flexible adjustable focal length according to claim 1, characterized in that, The lens group (5) includes two lenses, each of which is connected by a spacer ring, and the two ends of the spacer ring are fixedly connected to the outer edges of the adjacent lenses respectively.

4. A multi-functional headlamp with flexible adjustable body focal length according to claim 1, characterized in that, The LED beads (6) are soldered onto the lamp board (8), which is connected to the battery via wires and is fixed to the inner wall of the lamp head (1).

5. A multi-functional headlamp with flexible adjustable focal length according to claim 1, characterized in that, The charging interface (7) is a USB-C type interface. The interface has a metal contact piece inside, which is connected to the charging end of the battery through a wire. The charging interface (7) is provided with a rubber dust plug (9) on the outside, which is connected to the lamp body (2) through an elastic rope.

6. A multi-functional headlamp with flexible adjustable body focal length according to claim 1, characterized in that, The connecting buckle includes an upper buckle body and a lower buckle body. The upper buckle body is fixedly connected to one end of the adjusting belt, and the lower buckle body is connected to the connecting hole on the lamp body (2) by a snap fastener. The upper buckle body and the lower buckle body are fixed together by an elastic hook.

7. A multi-functional headlamp with flexible adjustable body focal length according to claim 1, characterized in that, The waterproof rubber ring (10) is set at the connection between the lamp head (1) and the lamp body (2), around the charging interface (7), and around the mounting holes of the power indicator and the infrared sensor.