Flashlight

Abstract

The utility model relates to the field of illumination, in particular to a flashlight. The flashlight comprises a shell, an optical lens and LED lamp beads, an annular barrel is arranged on the upper portion of the shell, a lamp holder is arranged on the annular barrel, lamp bead pressing pieces and the LED lamp beads are arranged on the lamp holder, the annular barrel is sleeved with a working lamp strip, the lower portion of the outer wall of the lamp holder is sleeved with a light-transmitting lampshade, and threads are arranged on the outer wall of the upper portion of the annular barrel and the inner wall of the lower portion of the lamp holder. An optical lens is arranged above the LED lamp beads, an aluminum alloy head ring is sleeved on the optical lens, the aluminum alloy head ring blocks the optical lens, the aluminum alloy head ring is installed on an aluminum alloy head cover, a circuit board and a lithium battery are arranged on the inner wall of the lower portion of the shell, the lower portion of the shell is covered by a battery bin upper cover, and a display screen shell and a switch button cover are arranged on the surface of the lower portion of the shell. The LED lamp has the advantages that the size of the aperture is changed in a front-back stretching mode, the distance between the optical lens and the LED lamp bead can be adjusted according to needs, and adjustment of the size of the aperture is completed.

Description

Technical Field

[0001] This utility model relates to the field of lighting, and in particular to flashlights. Background Technology

[0002] With the widespread popularity of outdoor activities, especially search and rescue, exploration, mountain climbing, cycling and camping, flashlights are an essential tool. However, current flashlight products are heavy, have inaccurate battery control, cannot adjust the aperture, have limited functionality and application scenarios, and are expensive. Summary of the Invention

[0003] To address the aforementioned technical problems of the inability to adjust the aperture and the limited application scenarios, this utility model provides a flashlight.

[0004] The technical solution of this utility model is as follows:

[0005] A flashlight includes a housing, an optical lens, and LED beads. The upper part of the housing is an annular cylinder with a lamp holder. The lamp holder has a lamp bead holder and an LED bead. A work light strip is fitted over the annular cylinder. A light-transmitting cover is fitted over the lower part of the outer wall of the lamp holder. The upper outer wall of the annular cylinder and the lower inner wall of the lamp holder are threaded. An optical lens is located above the LED beads. An aluminum alloy head ring is fitted over the optical lens, blocking the optical lens. The aluminum alloy head ring is mounted on an aluminum alloy head cover. A circuit board and a lithium battery are located on the lower inner wall of the housing. The lower part of the housing is covered by a battery compartment cover. The lower surface of the housing has a display screen housing and a switch button cover. The circuit board connects the LED beads, the lithium battery, and the work light strip.

[0006] The upper part of the shell is provided with an annular seat, the middle of the annular seat is provided with an annular cylinder, the lower part of the annular seat is the battery compartment shell, the upper two sides of the battery compartment shell are provided with support columns, and the bottom of the battery compartment shell is provided with a baffle.

[0007] The annular cylinder has protrusions on both sides of its lower part. The annular cylinder is connected to the annular seat through annular steps. There are notches on both sides of the annular steps. The notches and protrusions are on the same plane. The protrusions have openings on their outer sides.

[0008] The circuit board has a display screen and a button on one side, a display screen housing on the outside of the display screen, a switch button cover on the button, a charging interface on the other side of the circuit board, the charging interface is aligned with the plug hole on the battery compartment cover, the charging plug is installed on the battery compartment cover through the plug post, the charging plug covers the charging interface, the lower part of the housing and the battery compartment cover are covered with an aluminum alloy rod, and the lower part of the housing and the bottom of the battery compartment cover are covered with an aluminum alloy tail sleeve.

[0009] The bottom of the aluminum alloy tail sleeve is provided with a magnet base, and a magnet is provided in the magnet base.

[0010] The inner wall of the lamp holder is recessed to form a mounting base, on which LED beads are provided. LED beads are provided with lamp bead pressure plates. The upper outer wall of the lamp holder is provided with convex rings, which are arranged vertically at intervals. There are annular grooves between the convex rings. The outer wall of the convex rings is provided with notches, which are on the same vertical plane and are divided into four equal parts.

[0011] The display screen housing and switch button cover are provided with a protrusion a, the charging plug is provided with a protrusion b, and the upper part of the aluminum alloy rod is provided with recessed notches on both sides, the recessed notches being located outside protrusion a and protrusion b.

[0012] The technical solution of this utility model has a novel structure and a clever and simple design. It adopts a front and rear stretching method to change the aperture size. The distance between the optical lens and the LED beads can be adjusted as needed to complete the aperture size adjustment. The variable aperture size makes it more versatile. The aluminum alloy material can reduce weight. It has a display screen to accurately monitor the power information. It has a charging interface to charge electronic products in emergencies. When camping, the magnet can be attached to the metal for lighting. Combined with a retractable work light, it provides more application scenarios. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the structure of this utility model in an explosive state;

[0015] Figure 3 , 4 This is a schematic diagram of the structure of the lamp holder of this utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the shell of this utility model;

[0017] Figure 6 This is a schematic diagram of the structure of the battery compartment cover of this utility model. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example

[0019] like Figure 1 , 2The flashlights shown in Figures 3, 4, 5, and 6 include a housing 9, an optical lens 2, and LED beads 5. The upper part of the housing 9 is an annular cylindrical body 20, on which a lamp holder 6 is provided. The lamp holder 6 is provided with a lamp bead pressing sheet 4 and an LED bead 5. A working light strip 8 is fitted over the annular cylindrical body 20. A light-transmitting lamp cover 7 is fitted over the lower part of the outer wall of the lamp holder 6. The upper outer wall of the annular cylindrical body 20 and the lower inner wall of the lamp holder 6 are threaded. An optical lens 2 is provided above the LED beads 5. An aluminum alloy head ring 1 is fitted over the optical lens 2, blocking the optical lens 2. The aluminum alloy head ring 1 is mounted on an aluminum alloy head cover 3. A circuit board 17 and a lithium battery 16 are provided on the lower inner wall of the housing 9. The lower part of the housing 9 is covered by a battery compartment cover 10. The lower surface of the housing 9 is provided with a display screen housing 18 and a switch button cover 19. The circuit board 17 connects the LED beads 5 and the lithium battery 16.

[0020] The upper part of the housing 9 is provided with an annular seat, the middle of the annular seat is provided with an annular cylinder 20, the lower part of the annular seat is the battery compartment housing, the upper two sides of the battery compartment housing are provided with support columns 22, and the bottom of the battery compartment housing is provided with a baffle 21.

[0021] The annular cylinder 20 has protrusions 23 on both sides of its lower part. The annular cylinder 20 is connected to the annular seat through annular steps 24. The annular steps 24 have notches on both sides. The notches and protrusions 23 are on the same plane. The protrusions 23 have openings on their outer sides.

[0022] The circuit board 17 has a display screen and a button on one side. The display screen is covered by a display screen housing 18. The button is covered by a switch button cover 19. The circuit board 17 has a charging interface on the other side. The charging interface is aligned with the plug hole, which is on the battery compartment cover 10. The charging plug 12 is installed on the battery compartment cover 10 through a plug post. The charging plug 12 covers the charging interface. The lower part of the housing 9 and the battery compartment cover 10 are covered with an aluminum alloy rod 11. The lower part of the housing 9 and the bottom of the battery compartment cover 10 are covered with an aluminum alloy tail sleeve 15.

[0023] The bottom of the aluminum alloy tail sleeve 15 is provided with a magnet seat 14, and a magnet 13 is provided in the magnet seat 14.

[0024] The inner wall of the lamp holder 6 is recessed to form a mounting base. An LED bead 5 is provided on the mounting base. An LED bead pressure plate 4 is provided on the LED bead 5. A convex ring 25 is provided on the upper outer wall of the lamp holder 6. The convex rings 25 are arranged vertically at intervals. An annular groove is provided between the convex rings 25. A notch is provided on the outer wall of the convex ring 25. The notches are on the same vertical plane and are arranged in four equal parts.

[0025] The display screen housing 18 and the switch button cover 19 are provided with a protrusion a, the charging plug 12 is provided with a protrusion b, and the upper part of the aluminum alloy rod 11 is provided with recessed notches on both sides, the recessed notches are provided on the protrusion a and protrusion b.

[0026] In use, the tail magnet, combined with the retractable work light, provides more application scenarios. The built-in ABS plastic battery compartment protects the battery from impact damage. The battery body is made of high-strength ABS material, reinforced with a 6061 aluminum alloy shell. The new aluminum-plastic combination structure controls cost and weight. The aperture size is changed by stretching back and forth. The head has a built-in retractable work light. Pulling the aluminum alloy head cover 3 upwards gradually reduces the aperture until it reaches the limit of the convex ring 25 of the lamp holder 6. The bottom of the convex ring 25 locks into the bottom inner ring of the aluminum alloy head cover 3, achieving full focus. Pulling the head backwards gradually expands the aperture until it reaches the limit of the annular seat of the shell 9, and the aperture becomes diffused. When the aluminum alloy head cover 3 is pulled out and fully focused, the light-transmitting cover 7 of the retractable work light in the middle is exposed. Turning on the work light strip 8 starts the work light. When the aluminum alloy head cover 3 is pulled back to the limit of the annular seat and diffused, the work light is completely hidden.

[0027] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flashlight, comprising a housing (9), an optical lens (2), and an LED bulb (5), characterized in that: The upper part of the housing (9) is an annular cylinder (20), on which a lamp holder (6) is provided. The lamp holder (6) is provided with a lamp bead pressing sheet (4) and an LED bead (5). A working light strip (8) is provided on the outer sleeve of the annular cylinder (20). A light-transmitting lamp cover (7) is provided on the lower part of the outer wall of the lamp holder (6). The upper outer wall of the annular cylinder (20) and the lower inner wall of the lamp holder (6) are provided with threads. An optical lens (2) is provided above the LED bead (5). An aluminum alloy is provided on the optical lens (2). Alloy head ring (1), aluminum alloy head ring (1) blocks optical lens (2), aluminum alloy head ring (1) is installed on aluminum alloy head cover (3), circuit board (17) and lithium battery (16) are provided on the lower inner wall of housing (9), the lower part of housing (9) is covered by battery compartment cover (10), the lower surface of housing (9) is provided with display screen shell (18) and switch button cover (19), circuit board (17) connects LED beads (5), lithium battery (16) and work light strip (8).

2. The flashlight according to claim 1, characterized in that: The upper part of the housing (9) is provided with an annular seat, the middle of the annular seat is provided with an annular cylinder (20), the lower part of the annular seat is the battery compartment housing, the upper sides of the battery compartment housing are provided with support columns (22), and the bottom of the battery compartment housing is provided with a baffle (21).

3. The flashlight according to claim 2, characterized in that: The annular cylinder (20) has protrusions (23) on both sides of its lower part. The annular cylinder (20) is connected to the annular seat through annular steps (24). The annular steps (24) have notches on both sides. The notches and protrusions (23) are on the same plane. The protrusions (23) have openings on the outside.

4. The flashlight according to claim 1, characterized in that: The circuit board (17) has a display screen and a button on one side. The display screen has a display screen housing (18) on the outside. The button has a switch button cover (19). The circuit board (17) has a charging interface on the other side. The charging interface is aligned with the plug hole. The plug hole is on the battery compartment cover (10). The charging plug (12) is installed on the battery compartment cover (10) through the plug. The charging plug (12) covers the charging interface. The lower part of the housing (9) and the battery compartment cover (10) are covered with an aluminum alloy rod (11). The lower part of the housing (9) and the bottom of the battery compartment cover (10) are covered with an aluminum alloy tail sleeve (15).

5. The flashlight according to claim 4, characterized in that: The aluminum alloy tail sleeve (15) has a magnet seat (14) at the bottom, and a magnet (13) is provided in the magnet seat (14).

6. The flashlight according to claim 1, characterized in that: The inner wall of the lamp holder (6) is recessed to form a mounting base. An LED lamp bead (5) is provided on the mounting base. An LED bead pressing sheet (4) is provided on the LED lamp bead (5). A convex ring (25) is provided on the upper outer wall of the lamp holder (6). The convex rings (25) are arranged vertically at intervals. An annular groove is provided between the convex rings (25). A notch is provided on the outer wall of the convex rings (25). The notches are on the same vertical plane and are divided into four equal parts.

7. The flashlight according to claim 4, characterized in that: The display screen housing (18) and the switch button cover (19) are provided with a protrusion a, the charging plug (12) is provided with a protrusion b, and the upper sides of the aluminum alloy rod (11) are provided with recessed notches, which are located outside the protrusion a and protrusion b.

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