Four-color, two-color or multi-color telescopic focusing conversion lamp holder

Abstract

The utility model discloses a four-color, two-color or multi-color telescopic focusing conversion lamp holder which comprises a cylinder body, the cylinder body is connected with a lamp holder in a sliding mode, an eccentric lens and an LED assembly are installed on the inner side of the lamp holder, the LED assembly comprises a heat dissipation base connected with the top of the cylinder body, a rotary contact circuit board is installed on the upper portion of the heat dissipation base, and the rotary contact circuit board is connected with the eccentric lens. The copper substrate is provided with a plurality of LED lamp wicks corresponding to the eccentric lenses, the top of the heat dissipation base is provided with a gland, the inner side of the lamp cap is provided with a gland rotating ring, the gland rotating ring is provided with a conversion elastic piece connected with the rotary contact circuit board, the steel ball spring abuts against a steel ball, and the conversion elastic piece is connected with the rotary contact circuit board. And a plurality of positioning concave points corresponding to the steel balls are arranged on the outer side of the gland. The telescopic LED lamp is stable in telescoping, focal length conversion of the lens is realized, light effect is changed from light condensation to light diffusion and is switched back and forth, conversion of four colors and two colors can be realized by rotating the lamp holder by 90 degrees or 180 degrees, and the telescopic LED lamp is suitable for being used in different occasions.

Description

Technical Field

[0001] This utility model relates to the field of lighting technology, specifically to a four-color, two-color, or multi-color telescopic focusing lamp head. Background Technology

[0002] A flashlight or headlamp is a light-emitting illumination device. It primarily uses batteries as its power source, forming an electrical circuit with a battery or power source and a light-emitting bulb. When the switch is turned on, the circuit is completed, current flows through the bulb, causing it to emit light and achieving the purpose of illumination. However, existing flashlights are limited to a single color, failing to provide the multi-color options needed for various situations, such as signaling and distress calls, wildlife observation, tracking and exploration, entertainment, and creating atmosphere. They also cannot simultaneously meet the needs of applications like hiking, camping, home use, and night fishing, resulting in unsatisfactory performance. Therefore, to avoid the shortcomings of existing technology, it is necessary to improve it. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings and deficiencies in the existing technology and provide a four-color, two-color or multi-color telescopic focusing lamp head with good performance.

[0004] This utility model is achieved through the following technical solution:

[0005] A four-color, two-color, or multi-color telescopic focusing lamp head includes a barrel body, a lamp head slidably connected to the barrel body, an eccentric lens and an LED assembly mounted on the inner side of the lamp head, the LED assembly including a heat sink connected to the top of the barrel body, a rotating contact circuit board mounted on the upper part of the heat sink, a copper substrate electrically connected to the rotating contact circuit board mounted on the top of the heat sink, a plurality of LED chips corresponding to the eccentric lens mounted on the copper substrate, a pressure cap mounted on the top of the heat sink, a pressure cap rotating ring mounted on the inner side of the lamp head, a conversion spring connected to the rotating contact circuit board mounted on the pressure cap rotating ring, a plurality of steel ball springs mounted on the inner side of the pressure cap rotating ring, the steel ball springs abutting against steel balls, and a plurality of positioning recesses corresponding to the steel balls provided on the outer side of the pressure cap.

[0006] Furthermore, the eccentric lens is a plano-convex lens or a bi-beam superimposed lens.

[0007] Furthermore, the LED chip is a multi-color light emitter or a combination of multiple single-color light emitters.

[0008] Furthermore, an arc-shaped locking plate is installed at the bottom of the lamp head, and a locking ring is installed at the bottom of the lamp head to abut the locking plate. The locking plate gradually decreases in size from its beginning to its end. The end of the locking plate is provided with an abutting protrusion. The inner side of the locking ring is provided with an unlocking groove corresponding to the abutting protrusion. A bottom cover is installed at the bottom of the lamp head to abut the locking ring.

[0009] Furthermore, the conversion spring is provided with a first connecting pin and a second connecting pin respectively, and the rotating contact circuit board is provided with annular connecting copper foil and conductive connecting copper foil corresponding to the first connecting pin and the second connecting pin respectively.

[0010] Furthermore, a contact circuit board electrically connected to the rotating contact circuit board is installed at the bottom of the heat sink.

[0011] Furthermore, a first O-ring is provided at the connection between the heat sink and the cylinder body.

[0012] Furthermore, a second O-ring is provided at the connection between the heat sink and the lamp head.

[0013] Furthermore, a front cover is installed on the top of the lamp head to abut against the eccentric lens, and a waterproof sleeve is provided at the connection between the front cover and the eccentric lens.

[0014] Furthermore, a third O-ring is provided at the connection between the front cover and the lamp head.

[0015] Furthermore, the inner side of the lamp head is provided with a longitudinal guide groove, and the inner side of the pressure cap ring is provided with a guide block corresponding to the guide groove.

[0016] Compared to existing technologies, this invention features a lamp head slidably connected to the body of the flashlight. A copper substrate houses several LED chips corresponding to an eccentric lens. A rotating cover ring is fitted with a switching spring connected to a rotating contact circuit board. Several steel ball springs are installed inside the cover ring, with the springs holding the steel balls in place. Several positioning recesses corresponding to the steel balls are located on the outside of the cover, allowing the flashlight to extend and retract. The lens can change its focal length, altering the light effect from focused to diffused light. Different LED chips can emit different colors of light. The lamp head can switch between four-color and two-color modes with each 90-degree or 180-degree rotation. The lamp head can rotate clockwise or counterclockwise. The eccentric structure and lens rotation ensure accurate focus. An internal angle positioning function is included. The flashlight comes in various colors, allowing for diverse applications in different situations, such as signal indication and distress calls, wildlife observation, trace tracking and exploration, entertainment, and atmosphere creation. It is suitable for hiking, camping, home use, and night fishing, offering excellent performance. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of the four-color, two-color, or multi-color telescopic focusing lamp head of this utility model;

[0019] Figure 2 This is an exploded view of the structure of the four-color, two-color, or multi-color telescopic focusing lamp head of this utility model;

[0020] Figure 3 This is a longitudinal cross-sectional structural diagram of the four-color, two-color, or multi-color telescopic focusing lamp head of this utility model.

[0021] Figure 4 This is a schematic diagram of the structure of the rotary contact circuit board of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the lamp holder of this utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the conversion spring of this utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the locking plate of this utility model;

[0025] Figure 8 This is a schematic diagram of the lock ring of this utility model.

[0026] In the diagram: 1-Cylinder body; 2-Lamp head; 3-Eccentric lens; 4-Heat sink; 5-Rotating contact circuit board; 6-Copper substrate; 7-LED lamp core; 8-Clip cap; 9-Clip cap rotating ring; 10-Converting spring; 11-Steel ball spring; 12-Steel ball; 13-Locking piece; 14-Locking ring; 15-Abutting protrusion; 16-Unlocking groove; 17-Bottom cover; 18-First connecting foot; 19-Second connecting foot; 20-Annular connecting copper foil; 21-Conductive connecting copper foil; 22-Contact circuit board; 23-First O-ring; 24-Second O-ring; 25-Front cover; 26-Front cover waterproof sleeve; 27-Third O-ring; 28-Guide groove; 29-Guide block. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1 to 8 The present invention discloses a four-color, two-color, or multi-color telescopic focusing lamp head, comprising a cylindrical body 1, a lamp head 2 slidably connected to the cylindrical body 1, an eccentric lens 3 and an LED assembly mounted on the inner side of the lamp head 2, the LED assembly including a heat sink 4 connected to the top of the cylindrical body 1, a rotating contact circuit board 5 mounted on the upper part of the heat sink 4, a copper substrate 6 electrically connected to the rotating contact circuit board 5 mounted on the top of the heat sink 4, a plurality of LED lamp cores 7 corresponding to the eccentric lens 3 mounted on the copper substrate 6, a pressure cap 8 mounted on the top of the heat sink 4, a pressure cap rotating ring 9 mounted on the inner side of the lamp head 2, a conversion spring 10 connected to the rotating contact circuit board 5 mounted on the pressure cap rotating ring 9, a plurality of steel ball springs 11 mounted on the inner side of the pressure cap rotating ring 9, the steel ball springs 11 abutting against steel balls 12, and a plurality of positioning recesses corresponding to the steel balls 12 provided on the outer side of the pressure cap 8. A lamp head 2 is slidably connected to the body 1. Several LED chips 7 corresponding to the eccentric lens 3 are installed on the copper substrate 6. A conversion spring 10 connected to the rotating contact circuit board 5 is installed on the cover 8. Several steel ball springs 11 are installed on the inner side of the cover 8, and the steel ball springs 11 abut against steel balls 12. Several positioning recesses corresponding to steel balls 12 are provided on the outer side of the cover 8, so that the flashlight can be extended and retracted. The lens can realize the focal length change, changing the light effect from focused light to diffused light, and can switch back and forth. Different LED chips can emit different colors of light. The lamp head can switch between four colors and two colors every 90 degrees or 180 degrees. The lamp head can rotate clockwise or counterclockwise. The eccentric structure and lens rotation movement are aligned with the focal length. There is an internal angle positioning function. The flashlight is available in various colors, which can be used in different occasions, such as signal indication and distress, wildlife observation, trace tracking and exploration, entertainment and atmosphere creation, etc. It can also be used in hiking, camping, home use, night fishing and other application scenarios, with good performance.

[0029] The eccentric lens 3 is a plano-convex lens or a double-beam superimposed lens, which has a good effect on the change from focusing to astigmatism.

[0030] LED chip 7 is a light source that emits light in multiple colors or a combination of multiple single colors.

[0031] An arc-shaped locking plate 13 is installed at the bottom of the lamp head 2, and a locking ring 14 is installed at the bottom of the lamp head 2 to abut the locking plate 13. The locking plate 13 gradually decreases in size from the beginning to the end of the locking plate 13. The end of the locking plate 13 is provided with an abutting protrusion 15. The inner side of the locking ring 14 is provided with an unlocking groove 16 corresponding to the abutting protrusion 15. A bottom cover 17 is installed at the bottom of the lamp head 2 to abut the locking ring 14, so that the lamp body has a locking structure. The device can be locked by holding the lamp head and rotating it clockwise, and unlocked by rotating it counterclockwise.

[0032] The conversion spring 10 is provided with a first connecting pin 18 and a second connecting pin 19 connected to each other. The rotating contact circuit board 5 is provided with annular connecting copper foil 20 and conductive connecting copper foil 21 corresponding to the first connecting pin 18 and the second connecting pin 19, making the power supply connection control of the LED chip 7 more convenient.

[0033] A contact circuit board 22, which is electrically connected to the rotating contact circuit board 5, is installed at the bottom of the heat sink 4 to facilitate the power supply connection of the flashlight.

[0034] A first O-ring 23 is provided at the connection between the heat sink 4 and the cylinder 1 to improve the sealing and waterproof performance of the connection between the heat sink 4 and the cylinder 1.

[0035] A second O-ring 24 is provided at the connection between the heat sink 4 and the lamp holder 2 to improve the sealing and waterproof performance of the connection between the heat sink 4 and the lamp holder 2.

[0036] The top of the lamp holder 2 is equipped with a front cover 25 that abuts against the eccentric lens 3. A front cover waterproof sleeve 26 is provided at the connection between the front cover 15 and the eccentric lens 3, which makes the installation of the eccentric lens 3 more convenient and provides better sealing and waterproofing after installation.

[0037] A third O-ring 27 is provided at the connection between the front cover 15 and the lamp holder 2 to improve the sealing and waterproof performance of the connection between the front cover 15 and the lamp holder 2.

[0038] The inner side of the lamp head 2 is provided with a longitudinal guide groove 28, and the inner side of the cover rotating ring 9 is provided with a guide block 29 corresponding to the guide groove 28, so that the extension and retraction of the lamp head 2 is more stable, and the rotation of the lamp head 2 and the cover rotating ring 9 is more stable.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A four-color, two-color or multi-color stretch-to-focus conversion lamp base characterized by: The utility model provides a LED lamp, including the barrel body, the barrel body is connected with the lamp holder in sliding, the inner side of lamp holder installs the eccentric lens with LED assembly, LED assembly includes the heat dissipation seat that is connected with the top of barrel body, the upper portion of heat dissipation seat installs the rotary contact circuit board, the top of heat dissipation seat installs the copper substrate that is electrically connected with rotary contact circuit board, copper substrate installs a plurality of LED wick corresponding with eccentric lens, the top of heat dissipation seat installs a gland, the inner side of lamp holder installs a gland spiral, the gland spiral installs a conversion wafer that is connected with rotary contact circuit board, the inner side of gland spiral is installed with a plurality of steel ball spring, steel ball spring is resisted with steel ball, the outer side of gland is equipped with a plurality of with the positioning concave point corresponding with steel ball.

2. The four-, two- or multi-color stretch-to-focus conversion lamp base of claim 1, characterized in that: The eccentric lens is a plano-convex lens or a double light coincidence lens.

3. The four-color, two-color or multi-color stretch-to-focus conversion lamp base of claim 1, wherein: The bottom of the lamp holder is provided with an arc-shaped locking piece, the bottom of the lamp holder is provided with a locking ring abutting against the locking piece, the locking piece gradually decreases from the beginning end of the locking piece to the end of the locking piece, the end of the locking piece is provided with an abutting convex strip, the inner side of the locking ring is provided with an unlocking groove corresponding to the abutting convex strip, and the bottom of the lamp holder is provided with a bottom cover abutting against the locking ring.

4. The four-color, two-color or multi-color stretch-to-focus conversion lamp base of claim 1, wherein: The conversion wafer is respectively provided with a first connecting leg and a second connecting leg connected thereto, and the rotary contact circuit board is respectively provided with a ring-shaped connecting copper foil and a conductive connecting copper foil corresponding to the first connecting leg and the second connecting leg.

5. The four-color, two-color or multi-color stretch-to-focus conversion lamp base of claim 1, wherein: The bottom of the heat dissipation seat is provided with a contact circuit board electrically connected with the rotary contact circuit board.

6. The four-color, two-color or multi-color stretch-to-focus conversion lamp base of claim 1, wherein: The connection between the heat dissipation seat and the barrel body is provided with a first O-shaped rubber ring.

7. The four-color, two-color or multi-color stretch-to-focus conversion lamp base of claim 1, wherein: The connection between the heat dissipation seat and the lamp holder is provided with a second O-shaped rubber ring.

8. The four-color, two-color or multi-color stretch-to-focus conversion lamp base of claim 1, wherein: The top of the lamp holder is provided with a front cover abutting against the eccentric lens, and the connection between the front cover and the eccentric lens is provided with a front cover waterproof sleeve.

9. The four-color, two-color or multi-color stretch-to-focus conversion lamp base of claim 8, wherein: The connection between the front cover and the lamp holder is provided with a third O-shaped rubber ring.

10. The four-color, two-color or multi-color stretch-to-focus conversion lamp base of claim 1, wherein: The inner side of the lamp holder is provided with a longitudinal guide groove, and the inner side of the gland spiral is provided with a guide block corresponding to the guide groove. The utility model discloses a LED lamp, including the barrel body, the barrel body is connected with the lamp holder in sliding, the inner side of lamp holder installs the eccentric lens with LED assembly, LED assembly includes the heat dissipation seat that is connected with the top of barrel body, the upper portion of heat dissipation seat installs the rotary contact circuit board, the top of heat dissipation seat installs the copper substrate that is electrically connected with rotary contact circuit board, copper substrate installs a plurality of LED wick corresponding with eccentric lens, the top of heat dissipation seat installs a gland, the inner side of lamp holder installs a gland spiral, the gland spiral installs a conversion wafer that is connected with rotary contact circuit board, the inner side of gland spiral is installed with a plurality of steel ball spring, steel ball spring is resisted with steel ball, the outer side of gland is equipped with a plurality of with the positioning concave point corresponding with steel ball.

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