Portable flashlight

Abstract

The utility model relates to the technical field of flashlights, and provides a portable flashlight which comprises a main shell and a lamp holder shell, the upper end of the main shell is provided with first external threads, the inner wall of the lamp holder shell is provided with internal threads matched with the first external threads, and the lamp holder shell is in threaded connection with the main shell through the internal threads. Tempered glass is clamped to the upper end in the lamp holder shell, a battery is arranged in the main shell, a front movement shell is connected to the interior of the main shell, a first through hole is formed in the center of the lower end of the front movement shell, a first ejector pin is clamped to the front movement shell through the first through hole, and the lower end of the first ejector pin is electrically connected with the battery. The flashlight is simple in structure, lamplight on-off control can be conducted by directly pressing the switch cap, through the design of the first ejector pin, the second ejector pin and the third ejector pin, the flashlight is simple in structure, more stable in installation while conducting electricity, poor contact caused by shaking is avoided, the battery can be directly charged through the charging interface, the battery does not need to be replaced, and disassembly and assembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of flashlights, and in particular to a portable flashlight. Background Art

[0002] A flashlight is a handheld lighting device that people often use for lighting at night or in dark areas to improve safety. It has the advantages of being easy to carry and quick to charge. However, most flashlights use a metal shell, which makes the flashlight heavier and increases the weight of the user. There are also some flashlights with a combination of plastic and metal shells on the market, but their complex structure leads to high production costs and inconvenience in use.

[0003] Therefore, a portable flashlight is provided to solve the above problems. Utility Model Content

[0004] The utility model provides a lightweight flashlight, which solves the problems in the related art that the metal shell of the flashlight makes the flashlight have a certain weight, which increases the weight of the user, and the flashlight composed of some plastic shells and metal shells has a complex structure, resulting in high production costs and inconvenience in use.

[0005] The technical solution of the utility model is as follows: it comprises a main shell and a lamp holder shell, characterized in that an external thread is provided at the upper end of the main shell, an internal thread matched with the external thread is provided on the inner wall of the lamp holder shell, the lamp holder shell is threadedly connected to the main shell through the internal thread, a tempered glass is clamped at the inner upper end of the lamp holder shell, a battery is provided inside the main shell, a front movement shell is connected inside the main shell, a through hole is provided at the center of the lower end of the front movement shell, and an ejector pin is clamped through the through hole, and the lower end of the ejector pin is The end is electrically connected to the battery, a through hole two is provided in the center of the upper end of the front movement shell, and a ejector pin two is clamped through the through hole two, the upper end of the ejector pin one and the lower end of the ejector pin two are both connected to the same PCB board, the upper end of the ejector pin two is connected to a conductive plate, the upper surface of the conductive plate is connected to an aluminum substrate light source, the upper surface of the aluminum substrate light source is provided with a light cup gasket, the inner surface of the light cup gasket is connected to a light cup, the upper end of the light cup is in contact with the tempered glass, the lower end of the main shell is provided with a charging assembly, and the charging assembly is electrically connected to the battery.

[0006] As a preferred technical solution of the utility model, a heat sink is provided inside the main shell, and an upper end of the heat sink is provided with a second external thread matched with the internal thread, and is threadedly connected to the lamp holder shell through the second external thread.

[0007] As a preferred technical solution of the utility model, the charging assembly includes a rear movement shell, a rear ejector plate, an ejector pin three and a charging plug. The rear movement shell is clamped on the lower end of the main shell body, a charging interface is provided inside the rear movement shell, a charging plug is provided at the lower end of the charging interface, and the charging plug is clamped on the lower surface of the rear movement shell, the upper end of the charging interface is connected to the rear ejector plate, two through holes three are provided on the rear ejector plate, and two ejector pins three are clamped through the two through holes three, and the two ejector pins three are electrically connected to the battery.

[0008] As a preferred technical solution of the utility model, a switch cap is provided on one side of the main housing, a button is provided on one side of the PCB board close to the switch cap, and the switch cap is in contact with the button.

[0009] The working principle and beneficial effects of the utility model are:

[0010] The flashlight has a simple structure. The lamp housing is threadedly connected to the main housing, which facilitates installation and disassembly of the lamp housing and makes the connection more stable. The first thimble, the second thimble and the PCB board are directly installed on the front movement shell and then installed in the main housing. The light is controlled by the PCB board. A switch cap is provided on one side of the main housing. A button is provided on the side of the PCB board close to the switch cap. The switch cap is contacted and connected with the button. When in use, the switch cap can be directly pressed to control the light switch. The design of the first thimble, the second thimble and the third thimble has a simple structure, is conductive and more stable to install, and will not shake to cause poor contact. The battery can be charged directly through the charging interface without replacing the battery, and is easy to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model at BB;

[0014] In the figure: 1. Main shell; 2. Lamp holder shell; 3. Tempered glass; 4. Battery; 5. Front movement shell; 6. Ejector pin one; 7. Ejector pin two; 8. PCB board; 9. Conductive board; 10. Aluminum substrate light source; 11. Light cup gasket; 12. Light cup; 13. Charging assembly; 14. Heat sink; 15. Rear movement shell; 16. Rear ejector pin plate; 17. Ejector pin three; 18. Charging plug; 19. Charging interface; 20. Switch cap; 21. Button. DETAILED DESCRIPTION

[0015] The following will be combined with 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 of 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.

[0016] Example

[0017] like Figure 1-2 As shown, this embodiment proposes a portable flashlight, including a main shell 1 and a lamp holder shell 2. The upper end of the main shell 1 is provided with an external thread 1, and the inner wall of the lamp holder shell 2 is provided with an internal thread matched with the external thread 1. The lamp holder shell 2 is threadedly connected to the main shell 1 through the internal thread, which is convenient for installation and disassembly of the lamp holder shell 2. The connection through threaded connection is more stable. The upper end of the inner part of the lamp holder shell 2 is clamped with tempered glass 3, which greatly improves the refractive index of light. A battery 4 is provided inside the main shell 1, and the interior of the main shell 1 is connected with a front movement shell 5. A through hole 1 is provided in the center of the lower end of the front movement shell 5, and a thimble 6 is clamped through the through hole 1. The lower end of the thimble 1 6 is electrically connected to the battery 4. A through hole 2 is provided in the center of the upper end of the front movement shell 5, and a thimble 2 7 is clamped through the through hole 2. Through the design of the thimble 1 6 and the thimble 2 7, the structure is simple, and the installation is more stable while conducting electricity, and there is no shaking to cause poor contact. The upper end of the thimble 1 6 and the lower end of the thimble 2 7 are connected. The ends are all connected to the same PCB board 8, and the light is controlled by the PCB board 8. A switch cap 20 is provided on one side of the main shell 1, and a button 21 is provided on the side of the PCB board 8 close to the switch cap 20. The switch cap 20 is in contact with the button 21, and the light switch can be controlled by pressing the switch cap 20. The upper end of the ejector pin 7 is connected to a conductive plate 9, and the upper surface of the conductive plate 9 is connected to an aluminum substrate light source 10. The aluminum substrate light source 10 improves the luminous efficiency, is small and light, and has good heat dissipation. A light cup gasket 11 is provided on the upper surface of the aluminum substrate light source 10, and a light cup 12 is connected to the inner surface of the light cup gasket 11, and the upper end of the light cup 12 is in contact with the tempered glass 3. In this way, after the lamp holder housing 2 is installed, the light cup 12 and other parts in the lamp holder housing 2 are firmly fixed therein, and will not shake to cause poor contact. The light loss is effectively reduced through the light cup 12, and the use is more stable. A charging assembly 13 is provided at the lower end of the main shell 1, and the charging assembly 13 is electrically connected to the battery 4.

[0018] Furthermore, a heat sink 14 is provided inside the main shell 1, and an upper end of the heat sink 14 is provided with an external thread second which matches the internal thread, and is threadedly connected to the lamp holder shell 2 through the external thread second. The design of the heat sink 14 can not only make the installation of the lamp holder shell 2 and its internal parts more stable, but also leave free space for auxiliary heat dissipation.

[0019] The charging assembly 13 includes a rear movement shell 15, a rear ejector plate 16, an ejector pin three 17 and a charging plug 18. The rear movement shell 15 is clamped on the lower end of the main shell 1, and it adopts a transition fit connection method and can be disassembled. A charging interface 19 is provided inside the rear movement shell 15, and the battery 4 is charged through the charging interface 19 without replacing the battery. A charging plug 18 is provided at the lower end of the charging interface 19, and the charging plug 18 is clamped on the lower surface of the rear movement shell 15. The charging plug 18 is used to protect the charging interface 19. The upper end of the charging interface 19 is connected to the rear ejector plate 16, and two through holes three are provided on the rear ejector plate 16, and two ejector pins three 17 are clamped through the two through holes three. The two ejector pins three 17 are electrically connected to the battery 4, and the battery is charged through the two ejector pins three 17. The structure is simple, conductive, and the installation is more stable, and there will be no shaking to cause poor contact.

[0020] Working principle of the utility model: the flashlight has a simple structure, and the lamp holder shell 2 is threadedly connected to the main shell 1, which makes it convenient to install and disassemble the lamp holder shell 2, and the connection is more stable. The thimble 1 6, the thimble 2 7 and the PCB board 8 are directly installed on the front movement shell 5, and then uniformly installed in the main shell 1, and the light is controlled by the PCB board 8. A switch cap 20 is provided on one side of the main shell 1, and a button 21 is provided on the side of the PCB board 8 close to the switch cap 20. The switch cap 20 is contacted and connected with the button 21. When in use, the switch cap 20 can be directly pressed to control the light switch. Through the design of the thimble 1 6, the thimble 2 7 and the thimble 3 17, the structure is simple, conductive and the installation is more stable, and there is no shaking to cause poor contact. The battery 4 can be directly charged through the charging interface 19 without replacing the battery.

[0021] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable flashlight, comprising a main housing (1) and a lamp holder housing (2), characterized in that: The upper end of the main shell (1) is provided with an external thread 1, the inner wall of the lamp holder shell (2) is provided with an internal thread matched with the external thread 1, the lamp holder shell (2) is threadedly connected to the main shell (1) through the internal thread, the upper end of the inner part of the lamp holder shell (2) is clamped with a tempered glass (3), the interior of the main shell (1) is provided with a battery (4), the interior of the main shell (1) is connected with a front core shell (5), the lower end of the front core shell (5) is provided with a through hole 1, and a thimble 1 (6) is clamped through the through hole 1, the lower end of the thimble 1 (6) is electrically connected to the battery (4), the upper end of the front core shell (5) is provided with a through hole 1 The main housing (1) is provided with a second through hole, and a second ejector pin (7) is clamped through the second through hole. The upper end of the first ejector pin (6) and the lower end of the second ejector pin (7) are both connected to the same PCB board (8). The upper end of the second ejector pin (7) is connected to a conductive plate (9). The upper surface of the conductive plate (9) is connected to an aluminum substrate light source (10). The upper surface of the aluminum substrate light source (10) is provided with a light cup gasket (11). The inner surface of the light cup gasket (11) is connected to a light cup (12). The upper end of the light cup (12) contacts the tempered glass (3). The lower end of the main housing (1) is provided with a charging assembly (13). The charging assembly (13) is electrically connected to the battery (4).

2. A portable flashlight according to claim 1, characterized in that: A heat sink (14) is provided inside the main housing (1), and a second external thread matching the internal thread is provided at the upper end of the heat sink (14), and the heat sink (14) is threadedly connected to the lamp holder housing (2) via the second external thread.

3. A portable flashlight according to claim 1, characterized in that: The charging assembly (13) comprises a rear core shell (15), a rear ejector plate (16), an ejector pin three (17) and a charging plug (18); the rear core shell (15) is snap-connected to the lower end of the main shell (1); a charging interface (19) is provided inside the rear core shell (15); a charging plug (18) is provided at the lower end of the charging interface (19), and the charging plug (18) is snap-connected to the lower surface of the rear core shell (15); the upper end of the charging interface (19) is connected to the rear ejector plate (16); two through holes three are provided on the rear ejector plate (16), and two ejector pins three (17) are snap-connected through the two through holes three; the two ejector pins three (17) are both electrically connected to the battery (4).

4. A portable flashlight according to claim 1, characterized in that: A switch cap (20) is provided on one side of the main housing (1), a button (21) is provided on a side of the PCB board (8) close to the switch cap (20), and the switch cap (20) is in contact with and connected to the button (21).

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