Waterproof and detachable flashlight

Through the connection design of the contact between the porous hollow lamp head of aluminum alloy material and the spring thimble pin in the flashlight, the maintenance problems caused by aging and damage to the flashlight components are solved, detachability and replacement are achieved, and the waterproof performance of the product is improved.

CN222578185UActive Publication Date: 2025-03-07SHENZHEN YOULITUO TECH CO LTD
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Patent Information

Application Number
CN202420998117.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-03-07
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

During long-term use of existing flashlights, the battery aging and other components are damaged, resulting in high maintenance costs or need to be discarded, and lacks the convenience of quickly replacing parts.

Method used

A waterproof and detachable flashlight is designed, and a porous hollow lamp head with aluminum alloy material is used to improve heat dissipation. The lamp head and the power bank can be disassembled in sections through the contact of the spring thimble to meet the replacement needs.

Benefits of technology

It realizes the removable and replaceable flashlight, reduces maintenance costs, extends the service life of the product, and reaches the IP65 waterproof level through waterproof design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof and detachable flashlight, which relates to the technical field of mobile lighting and comprises a lamp holder, a front flashlight body power supply bin is fixedly connected to the inner side of the lamp holder, a rear flashlight body battery bin is in threaded connection with the bottom of the front flashlight body power supply bin, and a bottom cover is in threaded connection with the bottom of the rear flashlight body battery bin. In order to solve the problem of heat dissipation of an LED, the bottom cover mainly plays a role in sealing the battery bin, the inner side of the bottom cover is connected with the bottom plate through threads, the bottom of the inner side of the bottom plate is provided with a hanging rope hole, the bottom of the inner side of the bottom plate is connected with the bottom cover through threads, and the bottom of the inner side of the bottom plate is provided with the hanging rope hole. The utility model aims to facilitate the carrying of a user, the EVA shockproof sponge can be tightly attached to the lithium battery in the battery compartment of the rear flashlight body through the spring and the buffer plate on the inner side of the bottom plate, the displacement of the lithium battery is avoided, and the damp-proof plate on the inner side of the buffer plate can prevent the lithium battery from being corroded and damaged by wet gas entering the inner side of the battery compartment of the rear flashlight body.
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Description

Technical Field

[0001] The utility model relates to the technical field of mobile lighting, in particular to a waterproof and detachable flashlight. Background Art

[0002] Most of the portable flashlights currently on the market are integrated rechargeable flashlights, which have built-in lithium batteries to provide sustainable power for the flashlight. When the battery is exhausted, it can be recharged through the Type-C interface or manually replaced with an old lithium battery for continuous cruising.

[0003] After searching, the publication number CN202320543086.7 is a flashlight wireless charging stand, a flashlight and a flashlight kit, the flashlight wireless charging stand includes a stand body and a first charging coil; the first charging coil is installed in the stand body, the first charging coil is used to wirelessly charge the flashlight, a charging cavity is opened in the stand body, the charging cavity is used to accommodate the entire flashlight head; the charging cavity runs from the bottom of the stand body to the top of the stand body; the charging cavity forms a top opening at the top of the stand body, and a bottom opening is formed at the bottom of the stand body; the charging cavity is generally large at the bottom and small at the top, so that the charging cavity matches the entire flashlight head and performs wireless charging, the flashlight wireless charging stand is provided with a charging cavity in the stand body, the charging cavity is used to accommodate the entire flashlight head. When charging, the entire barrel head is placed in the charging cavity, the flashlight is firmly fixed, the center of gravity is stable, and it is not easy to tip over; at the same time, the charging cavity is in a "tower-shaped" shape with a larger bottom and a smaller top, which matches the corresponding "tower-shaped" barrel head. The "tower-shaped" center of gravity is stable, so the stability of the flashlight can be further improved, the center of gravity is more stable, and it is less likely to tip over. In the long-term use of existing flashlights, not only the battery will age, but other components may also age and be damaged. For example, once important components such as LED light sources, power chips, and Type-C interfaces are damaged, it means higher repair costs and time, or if the warranty period is exceeded, they can only be scrapped. Therefore, some users have raised the question of whether maintenance can be achieved by quickly replacing parts. Therefore, the needs for the detachable and replaceable flashlight, while facilitating the user's manual quick maintenance needs, are the problems that need to be solved this time. Utility Model Content

[0004] The utility model aims to provide a waterproof and detachable flashlight to solve the existing problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof and detachable flashlight, comprising a lamp head, the inner side of the lamp head is fixedly connected with a front barrel power compartment, the bottom of the front barrel power compartment is threadedly connected with a rear barrel battery compartment, the bottom of the rear barrel battery compartment is threadedly connected with a bottom cover, and a lithium battery is arranged on the inner side of the rear barrel battery compartment, and a buffer is arranged on the inner side of the bottom cover. The lamp head is where the LED light source is located. In order to solve the heat dissipation problem of the LED, the lamp head adopts an aluminum alloy material with good heat dissipation. At the same time, we design the lamp head into a porous hollow structure, which not only increases its heat dissipation area, but also allows the porous structure to form a plurality of air ducts for air convection, which can take away a large amount of heat generated by the LED light source. In addition, in order to solve the user's requirement for the replaceability of the light source part of the lamp head, we The connection method between the lamp head and the front body power compartment is changed from the previous welding wire connection to spring pin contact, so that users can disassemble the lamp head and the front body power compartment in sections by rotating the thread, meeting the needs of disassembly and replaceability. The front body power compartment has three main core parts of the flashlight, namely the power board, main control board, and charging board. There is an OLED screen on the front and a TYPE-C charging port on the back. In order to make it contact with the spring pin of the lamp head, a contact PCB board is designed separately at the top for connection. Regarding the connection method between the tail and the rear body battery compartment, we also use this spring pin method, so that users only need to rotate the thread to realize the disassembly and separation of the front body power compartment from the lamp head and the rear body battery compartment. If a component of the product is damaged, the user can replace a certain section of the structure.

[0006] The buffer component includes a bottom plate, a hanging rope hole, a buffer plate, a spring, a moisture-proof plate and a limit plate. The bottom of the bottom plate is fixedly connected with the hanging rope hole, and the inner side of the bottom plate is movably connected with the buffer plate. The inner side of the buffer plate is provided with a spring located on the inner side of the bottom plate, and the inner side of the buffer plate is provided with a moisture-proof plate.

[0007] As a preferred technical solution of the utility model, spring ejectors are provided on the inner sides of the lamp holder and the front barrel power supply compartment.

[0008] As a preferred technical solution of the utility model, waterproof silicone rings are provided at the connections between the lamp head and the front barrel power compartment and the rear barrel battery compartment. Each detachable part is designed with a waterproof silicone ring. When they are reassembled, the entire flashlight has a waterproof function and can achieve an IP65 waterproof level.

[0009] As a preferred technical solution of the utility model, the bottom of the lithium battery is provided with an EVA shockproof sponge located inside the bottom cover.

[0010] As a preferred technical solution of the utility model, the side surface of the bottom cover is provided with convex patterns.

[0011] As a preferred technical solution of the utility model, the side of the bottom plate is connected to the inner side of the bottom cover by threaded cooperation; in the rear barrel battery compartment, we have built a set of lithium battery packs (3PCS 18650 lithium batteries) to power the flashlight. At the same time, in order to protect the battery, we have added EVA shockproof sponge in the battery compartment. During long-term use, when the battery is aged and decayed and cannot work, we can manually unscrew the bottom cover of the flashlight, take out the old battery and replace it. The bottom cover mainly plays the role of sealing the battery compartment, and the inner side of the bottom cover is connected to the bottom plate by threads. A lanyard hole is designed at the bottom of the inner side of the bottom plate for the convenience of users to carry. The inner side of the bottom plate can make the EVA shockproof sponge fit tightly with the lithium battery in the rear barrel battery compartment through the spring and buffer plate to prevent it from shifting. The moisture-proof plate on the inner side of the buffer plate can prevent humid gas from entering the inner side of the rear barrel battery compartment, causing corrosion and damage to the lithium battery.

[0012] As a preferred technical solution of the utility model, the side of the buffer plate is fixedly connected to a limiting plate, and the limiting plate is clamped on the inner side of the limiting groove on the inner side of the battery compartment of the rear barrel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The lamp holder of the utility model is where the LED light source is located. In order to solve the heat dissipation problem of the LED, the lamp holder is made of aluminum alloy material with good heat dissipation. At the same time, we designed the lamp holder to be a porous hollow structure, which not only increases its heat dissipation area, but also forms multiple air ducts for air convection with the porous structure, which can take away a large amount of heat generated by the LED light source. In addition, in order to solve the user's problem of replaceability of the light source part of the lamp holder, we changed the connection method between the lamp holder and the front barrel power supply compartment from the previous welding wire connection to spring thimble contact, so that the user can realize the segmented disassembly of the lamp holder and the front barrel power supply compartment by rotating the thread, which satisfies the user. To meet the needs of disassembly and replaceability, the front body power compartment has built-in integrated power board, main control board and charging board. There is an OLED screen on the front and a TYPE-C charging port on the back. In order to make it contact with the spring pin of the lamp head, a contact PCB board is designed at the top for connection. As for the connection between the tail and the battery compartment of the rear body, we also use this spring pin method. In this way, users only need to rotate the thread to realize the disassembly and separation of the front body power compartment from the lamp head and the battery compartment of the rear body. If a component of the product is damaged, the user can replace a certain section of the structure.

[0015] The utility model uses the rear barrel battery compartment, in which we have built-in a set of lithium battery packs (3PCS 18650 lithium batteries) to power the flashlight. At the same time, in order to protect the battery, we have added EVA shockproof sponge in the battery compartment. During long-term use, when the battery is aged and decayed and cannot work, we can manually unscrew the bottom cover of the flashlight, take out the old battery and replace it. The bottom cover mainly plays the role of sealing the battery compartment, and the inner side of the bottom cover is connected to the bottom plate through threads. A lanyard hole is designed at the bottom of the inner side of the bottom plate for the convenience of users to carry. The inner side of the bottom plate can make the EVA shockproof sponge fit tightly with the lithium battery in the battery compartment of the rear barrel through the spring and the buffer plate to prevent it from shifting. The moisture-proof plate on the inner side of the buffer plate can prevent the inner side of the battery compartment of the rear barrel from entering the humid gas and causing corrosion and damage to the lithium battery. Each detachable part is designed with a waterproof silicone ring. When reassembled, the entire flashlight has a waterproof function and can achieve an IP65 waterproof level. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the structural front view of the utility model;

[0017] Figure 2 It is the structural explosion diagram of the utility model;

[0018] Figure 3 This is a structural buffer diagram of the utility model.

[0019] In the picture: 1. Lamp holder; 2. Spring thimble; 3. Front body power compartment; 4. Type-c charging port; 5. Rear body battery compartment; 6. Bottom cover; 7. Buffer; 71. Bottom plate; 72. Hanging rope hole; 73. Buffer plate; 74. Spring; 75. Moisture-proof plate; 76. Limit plate; 8. Embossed pattern; 9. EVA shockproof sponge; 10. Lithium battery; 11. Waterproof silicone ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3The utility model provides a waterproof and detachable flashlight, including a lamp cap 1, a front barrel power supply compartment 3 is fixedly connected to the inner side of the lamp cap 1, a rear barrel battery compartment 5 is threadedly connected to the bottom of the front barrel power supply compartment 3, a bottom cover 6 is threadedly connected to the bottom of the rear barrel battery compartment 5, a lithium battery 10 is arranged on the inner side of the rear barrel battery compartment 5, a buffer 7 is arranged on the inner side of the bottom cover 6, the lamp cap 1 is where the LED light source is located, in order to solve the heat dissipation problem of the LED, the lamp cap 1 adopts an aluminum alloy material with good heat dissipation, and at the same time, we design the lamp cap 1 into a porous hollow structure, which not only increases its heat dissipation area, but also allows the porous structure to form a plurality of air ducts for air convection, which can take away a large amount of heat generated by the LED light source. In addition, in order to solve the user's problem of replaceability of the light source part of the lamp cap 1, we connect the lamp cap 1 and the front barrel power supply compartment 3 The connection method has been changed from the previous welding wire connection to the contact of the spring 74 ejector pin 2. In this way, the user can realize the segmented disassembly of the lamp head 1 and the front barrel power compartment 3 by rotating the thread, which meets the needs of disassembly and replaceability. The front barrel power compartment 3 has built-in integrated power board, main control board and charging board of the flashlight. There is an OLED screen on the front and Type-c charging port 4 on the back. In order to make it contact with the spring 74 ejector pin 2 of the lamp head 1, a contact PCB board is designed separately at its top for connection. Regarding the connection method between its tail and the rear barrel battery compartment 5, we also use this spring 74 ejector pin 2 method, so that the user only needs to rotate the thread to realize the disassembly and separation of the front barrel power compartment 3 from the lamp head 1 and the rear barrel battery compartment 5. If a component of the product is damaged, the user can replace a certain section of the structure.

[0022] The buffer component 7 includes a bottom plate 71, a hanging rope hole 72, a buffer plate 73, a spring 74, a moisture-proof plate 75 and a limiting plate 76. The bottom of the bottom plate 71 is fixedly connected with the hanging rope hole 72, and the inner side of the bottom plate 71 is movably connected with the buffer plate 73. The inner side of the buffer plate 73 is provided with a spring 74 located on the inner side of the bottom plate 71, and the inner side of the buffer plate 73 is provided with a moisture-proof plate 75.

[0023] Spring 74 thimble 2 is provided on the inner side of the lamp holder 1 and the front body power compartment 3, waterproof silicone ring 11 is provided at the connection between the lamp holder 1 and the front body power compartment 3 and the rear body battery compartment 5, and each detachable part is designed with a waterproof silicone ring 11. When reassembled, the entire flashlight has a waterproof function and can achieve an IP65 waterproof level.

[0024] The bottom of the lithium battery 10 is provided with an EVA shockproof sponge 9 located inside the bottom cover 6, the side of the bottom cover 6 is provided with a convex pattern 8, and the side of the bottom plate 71 is connected to the inside of the bottom cover 6 through a threaded fit; the rear barrel battery compartment 5, in which we built a set of lithium batteries 10 groups (3PCS 18650 The lithium battery 10) is used to power the flashlight. At the same time, in order to protect the battery, we have added EVA shockproof sponge 9 in the battery compartment. During long-term use, when the battery ages and fails to work, we can manually unscrew the bottom cover 6 of the flashlight, take out the old battery and replace it. The bottom cover 6 mainly serves to seal the battery compartment, and the inner side of the bottom cover 6 is connected to the bottom plate 71 through a thread. A lanyard hole 72 is designed at the bottom of the inner side of the bottom plate 71 for the convenience of users to carry it. The inner side of the bottom plate 71 can make the EVA shockproof sponge 9 fit tightly with the lithium battery 10 in the rear barrel battery compartment 5 through the spring 74 and the buffer plate 73 to prevent it from shifting. The moisture-proof plate 75 on the inner side of the buffer plate 73 can prevent the inner side of the rear barrel battery compartment 5 from entering the humid gas and causing corrosion and damage to the lithium battery 10. The side of the buffer plate 73 is fixedly connected to the limiting plate 76, and the limiting plate 76 is clamped on the inner side of the limiting groove on the inner side of the rear barrel battery compartment 5.

[0025] During specific use, first of all, the lamp holder 1 is where the LED light source is located. In order to solve the heat dissipation problem of the LED, the lamp holder 1 is made of aluminum alloy material with good heat dissipation. At the same time, we designed the lamp holder 1 into a porous hollow structure, which not only increases its heat dissipation area, but also allows the porous structure to form multiple air ducts for air convection, which can take away a large amount of heat generated by the LED light source. In addition, in order to solve the user's problem of replaceability of the light source part of the lamp holder 1, we changed the connection method between the lamp holder 1 and the front barrel power supply compartment 3 from the previous welding wire connection to the spring 74 ejector pin 2 contact. In this way, the user can realize the segmented disassembly of the lamp holder 1 and the front barrel power supply compartment 3 by rotating the thread, which meets the requirements of disassembly and replaceability. The source compartment 3 has three main cores: the power board, the main control board, and the charging board. There is an OLED screen on the front and a Type-c charging port 4 on the back. In order to make it contact with the spring 74 ejector pin 2 of the lamp head 1, a contact PCB board is designed at the top for connection. As for the connection between the tail and the rear barrel battery compartment 5, we also use the spring 74 ejector pin 2 method. In this way, users only need to rotate the thread to realize the disassembly and separation of the front barrel power compartment 3 and the lamp head 1 and the rear barrel battery compartment 5. If a certain part of the product is damaged, the user can replace a certain structural part. For the rear barrel battery compartment 5, we have built a set of 10 lithium batteries (3PCS18650 The lithium battery 10) is used to power the flashlight. At the same time, in order to protect the battery, we have added EVA shockproof sponge 9 in the battery compartment. During long-term use, when the battery ages and fails to work, we can manually unscrew the bottom cover 6 of the flashlight, take out the old battery and replace it. The bottom cover 6 mainly serves to seal the battery compartment, and the inner side of the bottom cover 6 is connected to the bottom plate 71 through a thread. A lanyard hole 72 is designed at the bottom of the inner side of the bottom plate 71 for the convenience of users to carry it. The inner side of the bottom plate 71 can make the EVA shockproof sponge 9 fit tightly with the lithium battery 10 in the rear barrel battery compartment 5 through the spring 74 and the buffer plate 73 to prevent it from shifting. The moisture-proof plate 75 on the inner side of the buffer plate 73 can prevent the inside of the rear barrel battery compartment 5 from entering the humid gas and causing the lithium battery 10 to be corroded and damaged. Each detachable part is designed with a waterproof silicone ring 11. When reassembled, the entire flashlight has a waterproof function and can achieve an IP65 waterproof level.

[0026] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

Claims

1. A waterproof and detachable flashlight, comprising a lamp holder (1), characterized in that: The inner side of the lamp head (1) is fixedly connected to a front body power supply compartment (3), the bottom of the front body power supply compartment (3) is threadedly connected to a rear body battery compartment (5), the bottom of the rear body battery compartment (5) is threadedly connected to a bottom cover (6), a lithium battery (10) is provided on the inner side of the rear body battery compartment (5), and a buffer (7) is provided on the inner side of the bottom cover (6).

2. A waterproof and detachable flashlight according to claim 1, characterized in that: The buffer component (7) comprises a bottom plate (71), a hanging rope hole (72), a buffer plate (73), a spring (74), a moisture-proof plate (75) and a limiting plate (76); the bottom of the bottom plate (71) is fixedly connected to the hanging rope hole (72); the inner side of the bottom plate (71) is movably connected to the buffer plate (73); the inner side of the buffer plate (73) is provided with a spring (74) located inside the bottom plate (71); and the inner side of the buffer plate (73) is provided with a moisture-proof plate (75).

3. The waterproof and detachable flashlight according to claim 1, characterized in that: The inner sides of the lamp holder (1) and the front body power supply compartment (3) are both provided with spring ejector pins (2).

4. The waterproof and detachable flashlight according to claim 1, characterized in that: Waterproof silicone rings (11) are provided at the connection points between the lamp head (1) and the front barrel power supply compartment (3) and the rear barrel battery compartment (5).

5. The waterproof and detachable flashlight according to claim 1, characterized in that: The bottom of the lithium battery (10) is provided with an EVA shockproof sponge (9) located inside the bottom cover (6).

6. The waterproof and detachable flashlight according to claim 1, characterized in that: The side surface of the bottom cover (6) is provided with a convex pattern (8).

7. The waterproof and detachable flashlight according to claim 2, characterized in that: The side surface of the bottom plate (71) is connected to the inner side of the bottom cover (6) through threaded fitting.

8. The waterproof and detachable flashlight according to claim 2, characterized in that: The side surface of the buffer plate (73) is fixedly connected to a limiting plate (76), and the limiting plate (76) is clamped on the inner side of a limiting groove on the inner side of the battery compartment (5) of the rear barrel.

Citation Information

Patent Citations

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    CN219394464U