Flashlight with tail cover adopting elastic sheet conductive structure

By designing a spring-loaded conductive structure on the flashlight tail cap, and utilizing the elastic contact of the base ring, spring, and buckle, the problems of threaded conductive wear and the need for tightening for end-face conductive work are solved, achieving stable conductivity and an aesthetically pleasing result.

CN223579794UActive Publication Date: 2025-11-21JIANGMEN QITAI MASCH HARDWARE CO LTD
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Patent Information

Application Number
CN202520031226.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-11-21
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing flashlights with threaded conductive methods are prone to wear and poor contact, while end-face conductive methods require strict tightening to avoid poor contact and affect the user experience.

Method used

It adopts a spring-loaded conductive structure, including a conductive base ring, spring, retaining ring, and connecting arm, which maintains stable conductivity through elastic contact and avoids poor contact.

Benefits of technology

Even if the tail cap is not fully tightened, it can maintain good conductivity, which enhances the stability and aesthetics of electrical contact and improves the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flashlight with a tail cover adopting an elastic sheet conductive structure, which comprises a flashlight body and the tail cover, a switch component is arranged in the tail cover, and the tail cover is fixedly connected with the flashlight tail of the flashlight body; an elastic piece component is arranged on the end face of the flashlight tail and comprises a conductive base ring and a plurality of elastic pieces, the elastic pieces and the base ring are connected to form an elastic structure, and the base ring is fixed to the flashlight tail and electrically connected with the flashlight body; and the tail cover presses the elastic sheet and is mutually contacted and conducted with the elastic sheet. According to the utility model, the tail end of the cylinder body is provided with the deformable elastic sheet component with good conductivity, and the contactable range is increased through the deformable elastic sheet, so that even if the tail cover is not completely screwed, good conduction can be maintained through the contact of the elastic sheet component, the phenomenon of poor contact is avoided, and the conduction of the end surfaces of the cylinder body and the tail cover is more stable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a flashlight technical field especially relates to a more stable electrically conductive flashlight. BACKGROUND

[0002] At present, the flashlight on the market generally has two kinds of electrically conductive ways: threaded electrically conductive and end surface electrically conductive. The thread of threaded electrically conductive way usually adopts aluminum raw material, and the material is not specially treated, so the hardness is low, and the material is soft. In the process of frequently disassembling the battery, the thread can be abraded greatly, and after long time use, the thread can be off. In addition, the thread of threaded electrically conductive can fall off aluminum powder due to friction, leading to poor contact, and after a long time, the thread can have black marks when wiping with paper, making the product become unattractive, and affecting the user experience. Therefore, in order to the appearance of the product, the end surface electrically conductive way is usually selected. The thread of end surface electrically conductive way is treated with hard oxidation, has better wear resistance, is more durable and more beautiful. However, when using the flashlight of end surface electrically conductive, it is necessary to ensure that the thread is completely tightened, otherwise the flashlight will flicker due to poor contact. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a structure design is more reasonable, uses more convenient, electric contact is better, and the tail cover adopts the flashlight of elastic sheet electrically conductive structure.

[0004] In order to solve the above technical problem, the utility model adopts the following technical scheme: a tail cover adopts the flashlight of elastic sheet electrically conductive structure, including the barrel and tail cover, the switch assembly is arranged in the tail cover, the tail cover is connected and fixed with the barrel tail, and its characterized in that: the end surface of the barrel tail is provided with an elastic sheet component, the elastic sheet component includes the base ring and a plurality of elastic sheets that can be electrically conductive, the elastic sheets are connected with the base ring to form a structure with elasticity, the base ring is fixed on the barrel tail and forms electrical connection with the barrel, and the tail cover presses the elastic sheet and is in contact with the elastic sheet.

[0005] Further, a buckle ring is further connected along the inner edge of the base ring, the buckle ring is integrated with the base ring and has an L-shaped structure in cross section, and the buckle ring is buckled on the inner side of the barrel tail.

[0006] Further, a boss is arranged on the inner side of the barrel tail, and a plurality of buckles are arranged on the bottom surface of the buckle ring, the buckles are inserted into the barrel tail and abut against the boss and buckle the inner side of the barrel tail.

[0007] Further, a connecting arm is arranged along the outer edge of the base ring and extends outward and rearward, the elastic sheet and the connecting arm are connected into an integrated structure with elasticity, and the elastic sheet is attached to the end surface of the barrel tail.

[0008] Further, the elastic sheet is in arc-shaped structure, and the arc-shaped convex part thereof abuts against the tail cover rearward.

[0009] Further, an annular step is arranged on the inner side wall of the tail cover, and the annular step is used to press the elastic sheet to form an electrically conductive structure.

[0010] Preferably, the elastic sheet, the connecting arm, the base ring, the clasp ring and the buckle are integrated.

[0011] Further, the switch assembly comprises a switch and a switch button, the switch is installed in the tail cover through a switch mounting seat, and the switch button is arranged at the tail of the tail cover and connected with the switch.

[0012] The tail end of the barrel body is provided with an elastic sheet component which is deformable and has good conductive performance, the contactable range is increased through the deformable elastic sheet, even if the tail cover is not completely tightened, the elastic sheet component can still keep good conduction through contact, and the poor contact phenomenon is avoided, so that the conductive stability of the barrel body and the end surface of the tail cover is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure diagram of the utility model;

[0014] Figure 2 It is a structure diagram after the tail cover and the switch assembly are removed;

[0015] Figure 3 It is a partial enlarged view after the tail cover is removed;

[0016] Figure 4 It is a partial enlarged view of the elastic sheet component and the barrel body in an assembled state;

[0017] Figure 5 It is a partial enlarged view of the tail of the barrel body;

[0018] Figure 6 It is a three-dimensional structure diagram of the elastic sheet component;

[0019] Figure 7 It is a side structure diagram of the elastic sheet component.

[0020] In the drawings, 1 is a barrel body, 11 is a barrel tail, 12 is a boss, 2 is a tail cover, 3 is an elastic sheet component, 31 is a base ring, 32 is a clasp ring, 33 is an elastic sheet, 34 is a connecting arm, 35 is a buckle, 4 is a switch mounting seat, and 5 is a switch button. DETAILED DESCRIPTION

[0021] In the embodiment, refer to Figures 1-7The tail cover adopts the conductive structure of the spring sheet, and the flashlight comprises a barrel body 1 and a tail cover 2, the tail cover 2 is provided with a switch assembly, and the tail cover 2 is fixedly connected with the barrel tail 11 of the barrel body 1 through threads; a spring sheet component 3 is arranged on the end surface of the barrel tail 11, the spring sheet component 3 comprises a conductive base ring 31 and a plurality of spring sheets 33, each spring sheet 33 is connected with the base ring 31 to form a structure with elasticity, the base ring 31 is fixed on the barrel tail 11 and forms an electrical connection with the barrel body 1; the tail cover 2 presses the spring sheets 33 and is in contact with the spring sheets 33 for conduction, and the spring sheets 33 have elasticity, so that the tail cover 2 can be in contact with the spring sheets 33 even if it is not tightened, and good conductive performance is maintained.

[0022] A clasp ring 32 is further connected along the inner edge of the base ring 31, the clasp ring 32 is integrated with the base ring 31 and has an L-shaped structure in cross section, and the clasp ring 32 is clamped on the inner side of the barrel tail 11.

[0023] A boss 12 is arranged on the inner side of the barrel tail 11, and a plurality of buckles 35 are arranged on the bottom surface of the clasp ring 32, the buckles 35 extend into the barrel tail 11 and abut against the boss 12 and clamp the inner side of the barrel tail 11, so that the spring sheet component 3 is clamped on the barrel body 1.

[0024] A connecting arm 34 extending outward and rearward is arranged along the outer edge of the base ring 31, the spring sheets 33 are connected with the connecting arm 34 to form an integrated structure with elasticity, and the spring sheets 33 are attached to the tail end surface of the barrel tail 11, and the spring sheets 33 are pressed to the tail end surface of the barrel tail 11 when the tail cover 2 is tightened.

[0025] The spring sheets 33 have an arc-shaped structure, and the arc-shaped convex part thereof abuts against the tail cover 2 rearward, the spring sheets 33, the connecting arm 34, the base ring 31, the clasp ring 32 and the buckles 35 are integrated structures and are made of copper sheets.

[0026] An annular step is arranged on the inner side wall of the tail cover 2, and the annular step presses the spring sheets 33 to form an electrical conduction structure.

[0027] The switch assembly comprises a switch and a switch button 5, the switch is arranged inside the tail cover 2 through a switch mounting seat 4, the switch button 5 is arranged on the tail of the tail cover 2 and connected with the switch, and the switch button 5 is pressed from the tail to control the opening and closing of the flashlight.

[0028] The above has described the utility model in detail, the above is only the preferred embodiment of the utility model, and cannot limit the utility model implementation range, that is, all equivalent changes and modifications made according to the scope of the application should still belong to the utility model coverage.

Claims

1. A flashlight with a spring-loaded conductive structure for the tail cap, comprising a body and a tail cap, wherein a switch assembly is disposed in the tail cap, and the tail cap is fixedly connected to the tail of the body, characterized in that: A spring element component is provided on the end face of the tail of the cylinder. The spring element component includes a conductive base ring and several spring elements. Each spring element is connected to the base ring to form an elastic structure. The base ring is fixed on the tail of the cylinder and forms an electrical connection with the cylinder body. The tail cap presses down on the spring elements and makes contact with the spring elements to conduct electricity.

2. The flashlight with a spring-loaded conductive structure for the tail cap as described in claim 1, characterized in that: A retaining ring is also connected along the inner edge of the base ring. The retaining ring and the base ring form an integral structure with an L-shaped cross-section. The retaining ring is fastened to the inner side of the cylinder tail.

3. The flashlight with a spring-loaded conductive structure for the tail cap as described in claim 2, characterized in that: A ring of protrusions is provided on the inner side of the cylinder tail, and several buckles are provided on the bottom surface of the buckle. The buckles extend into the cylinder tail and abut against the protrusions to fasten the inner side of the cylinder tail.

4. The flashlight with a spring-loaded conductive structure for the tail cap as described in claim 1, characterized in that: A connecting arm extending outward and backward is provided along the outer edge of the base ring. The spring piece is connected to the connecting arm to form an elastic integral structure, and the spring piece is attached to the end face of the tail of the cylinder.

5. The flashlight with a spring-loaded conductive structure for the tail cap as described in claim 1, characterized in that: The spring has an arc-shaped structure, with its arc-shaped protrusion facing backward and abutting against the tail cap.

6. The flashlight with a spring-loaded conductive structure for the tail cap as described in claim 1, characterized in that: A ring-shaped step is provided on the inner wall of the tail cover, which presses down on each spring to form an electrical conduction structure.

7. The flashlight with a spring-loaded conductive structure for the tail cap according to any one of claims 1-6, characterized in that: The spring and base ring are an integral structure made of copper sheet.

8. The flashlight with a spring-loaded conductive structure for the tail cap as described in claim 1, characterized in that: The switch assembly includes a switch and a switch button. The switch is mounted inside the tail cover via a switch mounting base, and the switch button is located at the tail of the tail cover and connected to the switch.