Sealing flashlight
By installing sealing rings and a sliding switch magnetic switch design on the front and rear covers of the flashlight, the internal short circuit problem caused by the lack of a sealing structure in the flashlight is solved, achieving higher sealing performance and reliability.
Patent Information
- Application Number
- CN202520383161.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-05
AI Technical Summary
The front cover and charging end of existing flashlights lack a sealing structure, which allows rainwater to enter the flashlight and cause short circuits in internal components.
The system employs first, second, and third sealing rings, which are installed on the front and rear covers respectively. The seal is achieved through threaded connections, and the design of a sliding switch and a magnetic switch further enhances the sealing performance.
It effectively prevents moisture from entering the flashlight's interior, avoids short circuits between the LED driver board and the charging terminal, and improves sealing performance and service life.
Smart Images

Figure CN223855592U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a flashlight technical field, specifically, relates to a sealed flashlight. BACKGROUND
[0002] The flashlight is a kind of portable lighting tool, is widely used in daily life, outdoor exploration, emergency rescue etc. Scene, it is usually by light source, battery power supply system, reflector, switch and shell composition, modern flashlight adopts high-efficiency energy-saving LED light source, has high brightness, long service life, low power consumption etc. Advantage, whether it is night walking, power failure emergency, or outdoor activities, flashlight is indispensable practical tool, provides reliable light source guarantee for people.
[0003] But the front cover of prior art is short of necessary sealing structure at the charging end of rear end, leading to rainwater into the inside of flashlight when flashlight is raining or falls into water hole, leading to the short-circuit failure of the components in the inside of flashlight. UTILITY MODEL CONTENTS
[0004] In order to make up for the above insufficient, the utility model provides a sealed flashlight to overcome the above technical problems or at least partially solve the above problems.
[0005] The utility model is realized as follows:
[0006] The utility model provides a sealed flashlight, including flashlight barrel, the left side of flashlight barrel is provided with front cover, the left side of flashlight barrel inner wall is provided with reflector cup, the left side of flashlight barrel inner wall is provided with light bead drive board, the left side of flashlight barrel inner wall is provided with optical glass, the top of flashlight barrel is equipped with sliding switch, still include installation sealing mechanism;
[0007] The installation sealing mechanism includes;
[0008] First sealing ring, first sealing ring is installed in the left side of optical glass;
[0009] Second sealing ring, second sealing ring is installed in the left side of flashlight barrel, and the right side of front cover surface is connected with the left side of flashlight barrel inner wall by screw thread.
[0010] In a preferred scheme, the right side of flashlight barrel inner wall is provided with charging end, the right side of flashlight barrel is provided with rear cover, and the right side of flashlight barrel inner wall is connected with the rear cover by screw thread.
[0011] In a preferred scheme, the right side of flashlight barrel is provided with third sealing ring, and the third sealing ring is located at the left side of rear cover.
[0012] In a preferred scheme, the top of the flashlight barrel is provided with a mounting groove, and the sliding switch is arranged in the inner cavity of the mounting groove.
[0013] In a preferred scheme, the bottom of the inner wall of the mounting groove is provided with a sliding groove, the bottom of the sliding switch is provided with a sliding block, and the sliding block is in sliding cooperation with the sliding groove.
[0014] In a preferred scheme, the left side of the top of the inner wall of the flashlight barrel is provided with a magnetic attraction switch, and the magnetic attraction switch is electrically connected with the light bead driving board through an electric wire.
[0015] In a preferred scheme, the top of the surface of the flashlight barrel is provided with a through hole, and the top of the magnetic attraction switch is electrically connected with an indicator lamp.
[0016] In a preferred scheme, the inner wall of the through hole is provided with a shielding plate, and the shielding plate is made of transparent acrylic plate.
[0017] The sealing flashlight has the following beneficial effects:
[0018] 1. By arranging the mounting sealing mechanism, the front cover can be tightly abutted against the mounting sealing mechanism after being screwed, thereby sealing and protecting the left side of the flashlight barrel, and avoiding water from entering the reflecting cup and the light bead driving board from the front cover, so as to avoid short circuit failure of the light bead driving board.
[0019] 2. By arranging the third sealing ring and the rear cover, the rear cover can be tightly attached to the third sealing ring after being mounted, thereby shielding and protecting the charging end of the flashlight barrel, and avoiding water from entering the charging end of the flashlight. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.
[0021] Figure 1 is the overall perspective view provided by the embodiments of the present application;
[0022] Figure 2 is the perspective cross-sectional structure schematic view of the flashlight barrel provided by the embodiments of the present application;
[0023] Figure 3 is the main view cross-sectional structure schematic view of the flashlight barrel provided by the embodiments of the present application;
[0024] Figure 4 The utility model provides a Figure 2 Amplification structure schematic diagram at middle A place;
[0025] Figure 5 The utility model provides a Figure 3 Amplification structure schematic diagram at middle B place;
[0026] In the drawing: 1, flashlight barrel; 2, front cover;3, reflector cup;4, light bead drive board;5, optical glass;6, sliding switch;7, first sealing ring;8, second sealing ring;9, charging end;10, back cover;11, third sealing ring;12, mounting groove;13, sliding groove;14, sliding block;15, magnetic attraction switch;16, through hole;17, indicator light;18, baffle. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the utility model embodiment, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model.
[0028] With reference to Figures 1-5 The utility model provides a technical scheme: a sealed flashlight, including flashlight barrel 1 and installation sealing mechanism, the left side of flashlight barrel 1 is provided with front cover 2, the left side of flashlight barrel 1 inner wall is provided with reflector cup 3, the left side of flashlight barrel 1 inner wall is provided with light bead drive board 4, the left side of flashlight barrel 1 inner wall is provided with optical glass 5, the top of flashlight barrel 1 is equipped with sliding switch 6, can after the front cover 2 is tightened, make front cover 2 and installation sealing mechanism abut tightly, then seal and protect the left side of flashlight barrel 1, avoid water from the front cover 2 place to enter the reflector cup 3 and light bead drive board 4 place, cause light bead drive board 4 short circuit failure.
[0029] With reference to Figures 1-4In a preferred embodiment, the mounting sealing mechanism is arranged, which includes the first sealing ring 7 and the second sealing ring 8, the first sealing ring 7 is arranged on the left side of the optical glass 5, the second sealing ring 8 is arranged on the left side of the flashlight barrel 1, the right surface of the front cover 2 is threadedly connected with the left inner wall of the flashlight barrel 1, the first sealing ring 7 and the second sealing ring 8 can be extruded by the front cover 2 after the front cover 2 is tightened, the gap after the front cover 2 is mounted can be reduced, the second sealing ring 8 is arranged in the inner cavity of the flashlight barrel 1, the oxidation of the second sealing ring 8 can be effectively reduced, the service life of the second sealing ring 8 is improved, and the sealing effect of the flashlight barrel 1 is improved.
[0030] Referring to Figures 1-3 In a preferred embodiment, the charging end 9 is arranged on the right inner wall of the flashlight barrel 1, the rear cover 10 is arranged on the right side of the flashlight barrel 1, the rear cover 10 is threadedly connected with the right inner wall of the flashlight barrel 1, the third sealing ring 11 is arranged on the right side of the flashlight barrel 1 and located on the left side of the rear cover 10, the third sealing ring 11 can be extruded by the rear cover 10 when the rear cover 10 is tightened, and the charging end 9 is shielded, the outer ring thickness of the third sealing ring 11 is greater than the inner ring thickness, the oxidation speed of the whole third sealing ring 11 can be reduced during use, and the sealing effect is improved.
[0031] Referring to Figures 1-5 In a preferred embodiment, the mounting groove 12 is arranged on the top of the flashlight barrel 1, the sliding switch 6 is arranged in the inner cavity of the mounting groove 12, the sliding groove 13 is arranged on the bottom of the inner wall of the mounting groove 12, the sliding block 14 is arranged on the bottom of the sliding switch 6 and slidably connected with the sliding groove 13, the sliding switch 6 can drive the sliding block 14 to move in the sliding groove 13 when the sliding switch 6 slides, the two ends of the sliding switch 6 are provided with magnets, the sliding switch 6 can be adsorbed when the sliding switch 6 moves to the edge of the mounting groove 12, the position of the sliding switch 6 is limited, the sliding switch 6 is prevented from sliding randomly, the magnetic attraction switch 15 is arranged on the left top of the inner wall of the flashlight barrel 1 and electrically connected with the light bead driving plate 4 through an electric wire, the sliding switch 6 can be sensed by the magnetic attraction switch 15 when the sliding switch 6 moves to the magnetic attraction switch 15, and the light bead driving plate 4 is controlled, the magnetic attraction switch 15 uses a magnetic field signal to control the on-off of a circuit, and the working principle is based on the interaction between a magnet and a reed switch, when a magnetic material approaches the reed switch, the reed in the reed switch is magnetized and attracted together, the circuit is connected, and when the external magnetic force disappears, the reed is separated, and the circuit is disconnected.
[0032] Referring to Figures 1-5In a preferred embodiment, a through hole 16 is formed on the top of the surface of the flashlight barrel 1, the top of the magnetic attraction switch 15 is electrically connected with an indicator light 17, the inner wall of the through hole 16 is provided with a shielding plate 18, and the shielding plate 18 is made of transparent acrylic plate. The state of the indicator light 17 can be observed through the shielding plate 18, so as to determine whether the magnetic attraction switch is normal, and the flashlight can be checked and repaired when it is faulty.
[0033] Specifically, the working process or working principle of the sealed flashlight is as follows: in use, the front cover 2 is screwed tightly to tightly adhere to the first sealing ring 7 and the second sealing ring 8, thereby reducing the gap between the front cover 2 and the flashlight barrel 1, sealing the left end of the flashlight barrel 1, then the rear cover 10 is screwed tightly to shield the charging end 9, the rear cover 10 is tightly adhered to the third sealing ring 11 by screwing the rear cover 10, thereby sealing the charging end 9, which can effectively prevent rainwater from entering the flashlight barrel 1 and affecting the internal battery and other components. When the flashlight is used, the sliding switch 6 is slid forward to approach the magnetic attraction switch 15, thereby enabling the magnetic attraction switch 15 to control the light bead driving plate 4 to turn on, and the light bead is powered on to light up the front.
[0034] It should be noted that the light bead driving plate 4, the charging end 9, the magnetic attraction switch 15 and the indicator light 17 are devices or equipment existing in the prior art or devices or equipment that can be realized in the prior art, and their power supply, specific composition and principles are clear to those skilled in the art, so they will not be described in detail.
Claims
1. A sealed flashlight comprising a flashlight body (1), characterized in that; The left side of the flashlight barrel (1) is provided with a front cover (2), the left side of the inner wall of the flashlight barrel (1) is provided with a reflector cup (3), the left side of the inner wall of the flashlight barrel (1) is provided with a light bead driving plate (4), the left side of the inner wall of the flashlight barrel (1) is provided with optical glass (5), the top of the flashlight barrel (1) is provided with a sliding switch (6), and the sealing mechanism is also installed; The sealing mechanism comprises a first sealing ring (7) installed on the left side of the optical glass (5); A second sealing ring (8) is installed on the left side of the flashlight barrel (1), and the right side of the surface of the front cover (2) is threadedly connected with the left side of the inner wall of the flashlight barrel (1). The right side of the inner wall of the flashlight barrel (1) is provided with a charging end (9), the right side of the flashlight barrel (1) is provided with a rear cover (10), and the rear cover (10) is threadedly connected with the right side of the inner wall of the flashlight barrel (1).
2. A sealed flashlight according to claim 1, wherein, The right side of the flashlight barrel (1) is provided with a third sealing ring (11), and the third sealing ring (11) is located on the left side of the rear cover (10).
3. A sealed flashlight according to claim 2, wherein, The top of the flashlight barrel (1) is provided with a mounting groove (12), and the sliding switch (6) is arranged in the inner cavity of the mounting groove (12).
4. The sealed flashlight of claim 1, wherein, The bottom of the inner wall of the mounting groove (12) is provided with a sliding groove (13), the bottom of the sliding switch (6) is provided with a sliding block (14), and the sliding block (14) is in sliding fit with the sliding groove (13).
5. A sealed flashlight according to claim 4, wherein, The left side of the top of the inner wall of the flashlight barrel (1) is provided with a magnetic attraction switch (15), and the magnetic attraction switch (15) is electrically connected with the light bead driving plate (4) through wires.
6. The sealed flashlight of claim 1, wherein, The top of the surface of the flashlight barrel (1) is provided with a through hole (16), and the top of the magnetic attraction switch (15) is electrically connected with an indicating lamp (17).
7. A sealed flashlight according to claim 6, wherein, The inner wall of the through hole (16) is provided with a shielding plate (18), and the shielding plate (18) is made of transparent acrylic plate.
8. A sealed flashlight according to claim 7, wherein,