Flashlight with adjustable focal length

By fixing a convex lens to the flashlight and utilizing a guide button and rubber ring design, the problems of difficulty and detachment when adjusting the beam diameter in existing flashlights are solved, achieving convenient control of beam diameter and intensity.

CN223595750UActive Publication Date: 2025-11-25GONGQINGCHENG JINGZHONGTE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423299076.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-25
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing flashlights require considerable effort to change the beam diameter and are prone to causing the convex lens to detach from the flashlight body, making it difficult to conveniently adjust the beam diameter and intensity.

Method used

By fixing a convex lens to the grip and using a guide button and guide groove, the distance between the body and the convex lens can be adjusted. At the same time, the friction of the rubber ring is used to fix it in the adjustment position, simplifying the operation.

Benefits of technology

It enables convenient adjustment of beam diameter and intensity, prevents convex lens from falling off, and improves ease of use and stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223595750U_ABST
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Abstract

The utility model provides a focal length-adjustable flashlight. The focal length-adjustable flashlight comprises a body and a handheld part sleeved on the outer side of the body, a convex lens is fixedly arranged at one end of the handheld part; a guide groove is formed in the side wall of the handheld part; a rubber ring is arranged between the body and the handheld part; the body is further provided with a guide button used in cooperation with the guide groove. According to the utility model, the convex lens is fixedly arranged on the handheld part, so that the convex lens can be effectively prevented from falling off; by pushing the guide button, the body can be driven to directionally move in the handheld part along the guide groove, so that the distance between the body and the convex lens is adjusted, and the irradiation range and the light intensity are controlled by changing the diameter of the irradiated light beam; the rubber ring is arranged, the body can be effectively fixed to the adjusting position through friction force of the rubber ring, and the device is simple, convenient and more convenient to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of LED lighting equipment, especially to a focus adjustable flashlight. BACKGROUND

[0002] According to the difference of use occasion, the flashlight often needs to change the size of the light beam diameter in use to control the range of irradiation and the intensity of light, and people usually adopt the mode of rotating the front cover convex lens to achieve the above purpose, but the above mode is laborious when rotating, and the front cover convex lens is easily rotated too much to be separated from the barrel. SUMMARY

[0003] The utility model discloses a focus adjustable flashlight to solve the technical problem in the background art.

[0004] The utility model provides a focus adjustable flashlight, including body and the hand held portion of sleeve set in the body outside, the convex lens is fixedly arranged to one end of hand held portion, the side wall of hand held portion is equipped with guide groove, the rubber ring is equipped between body and hand held portion, body still is equipped with the guide button of cooperation with guide groove uses.

[0005] Further, the hand held portion is provided with a containing cavity for containing the body, and the body is provided with a containing groove for containing the rubber ring.

[0006] Further, the body is provided with an LED light source near one end of the convex lens.

[0007] Further, the body is provided with a battery for supplying power to the LED light source.

[0008] Further, the body is provided with a switch button for accommodating the LED power supply at the corresponding position of the guide groove.

[0009] Further, the body is provided with a fixing groove for accommodating the guide button, and the guide button is fixedly connected with the fixing groove through buckling.

[0010] Further, the switch button is fixedly installed on the guide button.

[0011] Further, the switch button is made of rubber material, the guide button is provided with a convex edge, and the switch button is provided with a groove matched with the convex edge.

[0012] Further, the guide button is also provided with a charging through hole for connecting the flashlight with an external charging device, and the body is provided with a charging connector at the charging through hole.

[0013] Further, the rubber ring is provided with a plurality of rubber rings and is arranged circumferentially around the body.

[0014] The utility model discloses at least the following beneficial effects are: the utility model discloses through the convex lens fixed installation is on the hand grip department, can effectively avoid the convex lens and fall off, and through the push guiding button, can drive the body directional movement in the hand grip department along the guide groove, thereby adjusting the distance of body and convex lens, reach the size of the light beam diameter of change irradiation to control the range of irradiation and the intensity of light, and set up the rubber ring, through the friction of rubber ring, can effectively fix the body in the adjusting position, simple and convenient, more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the perspective view of one embodiment of the utility model adjustable focus distance flashlight.

[0016] Figure 2 It is the perspective view of the hand grip department of one embodiment of the utility model adjustable focus distance flashlight.

[0017] Figure 3 It is the sectional view of one embodiment of the utility model adjustable focus distance flashlight.

[0018] Figure 4 It is the perspective view of the body of one embodiment of the utility model adjustable focus distance flashlight.

[0019] Figure 5 It is the perspective view of the guiding button of one embodiment of the utility model adjustable focus distance flashlight.

[0020] Figure 6 It is the perspective view of the switch button of one embodiment of the utility model adjustable focus distance flashlight. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail by specific implementation ways combining with the drawings. It should be understood that the embodiment described below by referring to the drawings is exemplary, aims at explaining the utility model, and can not be understood as the limitation of the utility model, and the features in the embodiment in the utility model can be combined mutually in the non-conflict situation.

[0022] As Figures 1-2 The utility model discloses a kind of adjustable focus distance flashlight, including body 1 and the hand grip department 2 of being set in the outside of body 1;The hand grip department 2 one end is fixed with convex lens 3;The lateral wall of hand grip department 2 is equipped with guide groove 21;The body 1 and hand grip department 2 are equipped with rubber ring 7;The body 1 is also equipped with guiding button 4 used in cooperation with the guide groove 21.

[0023] The utility model discloses a fixed installation is in the hand grip 2 through the convex lens 3, can effectively avoid the convex lens 3 and fall off, and through the push guiding button 4, can drive the body 1 along the guiding groove 21 directional movement in the hand grip 2, thereby adjusting the distance of body 1 and convex lens 3, reach the size of the light beam diameter of change irradiation to control the range of irradiation and the intensity of light, and set up rubber ring 7, through the friction of rubber ring 7, can effectively fix the body 1 in the adjusting position, simple and convenient, more convenient to use.

[0024] Specific, the hand grip 2 is equipped with the open end, the open end is equipped with the screw thread, the convex lens 3 is fixed in the open end through the fixed block 22 and the screw thread screw connection after convex lens 3.

[0025] In an alternative embodiment, the hand grip 2 is provided with a containing cavity for accommodating the body 1; the body 1 is provided with a containing groove 11 for accommodating the rubber ring 7. Specifically, the rubber ring 7 is provided with a plurality of circumferential arrangements around the body 1.

[0026] In this embodiment, the containing groove 11 is provided, which can effectively fix the rubber ring 7 and move with the body 1, ensuring the friction between the body 1 and the rubber ring 7; similarly, the containing groove 11 and the rubber ring 7 can also be arranged on the inner wall of the containing cavity; and multiple rubber rings 7 and containing grooves 11 are provided, for example, containing grooves 11 and rubber rings 7 are arranged at the head and tail ends and the middle of the body 1, which can further increase the connection stability of the body 1 and the hand grip 2.

[0027] In an alternative embodiment, the body 1 is provided with a fixed groove 12 for accommodating the guiding button 4, and the guiding button 4 is fixedly connected to the fixed groove 12 through a buckle 41. The guiding button 4 is fixedly installed in the fixed groove 12 through the buckle 41, so that the user can move the body 1 through the guiding button 4. In addition, by removing the guiding button 4 from the fixed groove 12 and taking out the convex lens 3 from the hand grip 2, the body 1 can be taken out from the hand grip 2, which is simple and convenient.

[0028] In an alternative embodiment, the body 1 is provided with an LED light source 5 near one end of the convex lens 3. The body 1 is provided with a battery 6 for powering the LED light source 5. The body 1 is provided with a switch button 8 for accommodating the LED power supply at the corresponding position of the guiding groove 21.

[0029] In this embodiment, the body 1 is further provided with a control panel 9 connected to the switch button 8, the battery 6 and the LED light source 5 respectively, and the state of the LED light source 5 can be adjusted and controlled through the switch button 8.

[0030] In an alternative embodiment, the switch button 8 is fixedly installed on the guide button 4. The switch button 8 is made of rubber material, the guide button 4 is provided with a first through hole 43, an inner side wall of the first through hole 43 is provided with a convex edge 431, and the switch button 8 is provided with a recess 81 matched and connected with the convex edge 431. The guide button 4 is further provided with a charging through hole 42 for connecting the flashlight with an external charging device, and the body 1 is provided with a charging connector 91 at the charging through hole 42.

[0031] In the embodiment, the switch button 8 is fixed on the guide button 4, so that the switch button 8 can move synchronously with the guide button 4 and the body 1, and the charging interface is arranged to facilitate charging of the battery 6. In addition, the switch button 8 is made of rubber material and is matched and connected with the convex edge 431 through the recess 81, so as to facilitate installation of the switch button 8.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and transformations can be made to these examples without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalent ranges.

Claims

1. A variable focus flashlight, characterized by: The utility model provides a flashlight, which comprises a body and a handgrip sleeved outside the body; a convex lens is fixedly arranged at one end of the handgrip; a guide groove is arranged on the sidewall of the handgrip; a rubber ring is arranged between the body and the handgrip; the body is further provided with a guide button used in cooperation with the guide groove.

2. The adjustable focal length flashlight of claim 1, wherein: The handgrip is provided with an accommodation cavity for accommodating the body; the body is provided with an accommodation groove for accommodating the rubber ring.

3. The adjustable focal length flashlight of claim 1, wherein: The body is provided with an LED light source near one end of the convex lens.

4. The adjustable focal length flashlight of claim 3, wherein: The body is provided with a battery for supplying power to the LED light source.

5. The adjustable focal length flashlight of claim 3, wherein: The body is provided with a switch button for accommodating the LED power supply at the position corresponding to the guide groove.

6. The adjustable focal length flashlight of claim 5, wherein: The body is provided with a fixing groove for accommodating the guide button, and the guide button is fixedly connected to the fixing groove through buckling.

7. The adjustable focal length flashlight of claim 5, wherein: The switch button is fixedly installed on the guide button.

8. The adjustable focal length flashlight of claim 7, wherein: The switch button is made of rubber material, the guide button is provided with a convex edge, and the switch button is provided with a groove matched with the convex edge.

9. The adjustable focal length flashlight of claim 1, wherein: The guide button is further provided with a charging through hole for connecting the flashlight with an external charging device, and the body is provided with a charging connector at the charging through hole.

10. The adjustable focal length flashlight of claim 1 or 2, wherein: The rubber ring is arranged in multiple and circumferentially around the body.