CN108591877A - A kind of structure of zooming LED lamp - Google Patents

Abstract

The present invention relates to LED lamp technical field, more particularly to a kind of structure of zooming LED lamp is fixed with convex lens at the open end of light bulb；Light bulb is internally provided with radiating block；It is provided on substrate between radiating block and convex lens and is provided with LED light source；The sliding block to match with guide rail is provided on the side wall of radiating block；Two spindle noses of bent axle are rotatablely connected with the left and right sides of light bulb madial wall respectively；It is provided with swing rod on the crank arm of bent axle；The crank arm of swing rod one end and bent axle is rotatablely connected；The end face of the swing rod other end and radiating block is hinged；The one of spindle nose of bent axle is mutually fixedly connected after reaching outside convex lens with gear combination mechanism.When using the present invention, which pushes LED light source without using lead screw mode, is adjusted into Line Continuity using bent axle；And LED light source is in any position, and no matter bent axle moves clockwise or counterclockwise can adjust LED light source, bring great convenience for the adjusting of zoom LED.

Description

Structure of a zoom LED lamp

technical field

The invention relates to the technical field of LED lamps, in particular to a structure of a zoom LED lamp.

Background technique

Lamps have become an indispensable lighting tool in modern life. However, with the progress of society, the use of lamps ranges from ordinary life lighting to illumination with special functions, such as for commercial display or to create indoor lighting atmosphere. spotlights. However, the zoom LED lamp is a lamp that can change the focal length of the light at will, which makes the lighting effect more abundant; and in order to accurately change the focal length of the LED lamp, the distance between the light source and the lens is generally adjusted by means of screw drive. , the transmission effect of the screw rod is good, but after frequent use, the teeth on the screw rod or the internal thread hole will slip, which affects the accuracy of product adjustment; and the LED lamp is zoomed by the screw structure transmission, when the user wants to When the LED light is close to the convex lens, the screw needs to be rotated in one direction. When the LED light is away from the convex lens, the screw must be rotated in the opposite direction. The operation is very troublesome.

Therefore, it is necessary to carry out further technological innovation on the structure of the existing zoom LED lamps.

Contents of the invention

The object of the present invention is to provide a structure of a zoom LED lamp aiming at the defects and deficiencies of the prior art.

In order to achieve the above object, the technical scheme adopted in the present invention is:

The structure of a zoom LED lamp according to the present invention includes a lamp tube and a gear combination mechanism; one end face of the lamp tube is open; the other end face of the lamp tube is sealed; the outer wall of the lamp tube is Several cooling fins are evenly distributed; a convex lens is fixed at the opening end of the lamp tube; a heat dissipation block is arranged inside the lamp tube; a substrate is arranged between the heat dissipation block and the convex lens; the substrate is fixed on the heat dissipation on the block; the substrate is provided with an LED light source; the inner wall of the lamp tube is provided with a guide rail; the guide rail is provided along the length direction of the lamp tube; the side wall of the heat dissipation block is provided with a Slider; the slider is inserted into the guide rail; a crankshaft is arranged between the heat dissipation block and the sealed end surface of the lamp tube; the two shaft heads of the crankshaft are respectively connected to the left and right sides of the inner wall of the lamp tube in rotation; the A swing rod is arranged on the crank arm of the crankshaft; one end of the swing rod is rotatably connected with the crank arm of the crankshaft; the other end of the swing rod is hinged with the end face of the cooling block; The combination mechanism is fixedly connected.

Further, the gear combination mechanism includes a protective case, a large gear, a rotating shaft and a pinion; the protective case is fixed on the outer wall of the heat dissipation block; the large gear and the pinion are arranged inside the protective case; the One of the shaft heads of the crankshaft extends into the protective shell and is fixedly connected with the center of rotation of the bull gear; the pinion is rotationally connected with the shell through a rotating shaft; the pinion is meshed with the bull gear; a part of the pinion gear body sticks out of the protective case.

Further, through holes are provided on the end surface of the heat dissipation block; wire passing holes are provided on the sealed end surface of the lamp tube.

After adopting the above structure, the beneficial effects of the present invention are as follows: in the structure of a zoom LED lamp according to the present invention, one end of the lamp tube is open; the other end of the lamp tube is sealed; the outer wall of the lamp tube is evenly distributed with A number of cooling fins; a convex lens is fixed on the opening end of the lamp tube; a heat sink is arranged inside the lamp tube; a substrate is arranged between the heat sink and the convex lens; the substrate is fixed on the heat sink; an LED light source is arranged on the substrate; There is a guide rail on the inner wall of the tube; the guide rail is set along the length direction of the lamp tube; the side wall of the cooling block is provided with a slider matching the guide rail; the slider is inserted into the guide rail; the sealing end surface of the cooling block and the lamp tube There is a crankshaft between them; the two shaft heads of the crankshaft are respectively connected to the left and right sides of the inner wall of the lamp tube; the crank arm of the crankshaft is provided with a swing rod; The end faces of the blocks are hinged; one of the shaft heads of the crankshaft protrudes out of the convex lens and is fixedly connected with the gear combination mechanism. When using the present invention, the lamp tube is made of heat-conducting materials; the crankshaft is rotated by the gear combination mechanism, so that the heat dissipation block moves along the direction of the guide rail, and the crankshaft returns to the original point after one rotation; The crankshaft is continuously adjusted; and the LED light source is in any position, no matter whether the crankshaft moves clockwise or counterclockwise, the LED light source can be adjusted, which brings great convenience to the adjustment of the zoom LED.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Explanation of reference signs:

1. Convex lens; 2. LED light source; 3. Substrate; 4. Lamp tube; 401. Radiating fins; 402. Guide rail;

403, wire hole; 5, cooling block; 501, slider; 502, through hole; 6, swing rod; 7, protective shell;

8, large gear; 9, rotating shaft; 10, pinion; 11, crankshaft.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, the structure of a zoom LED lamp according to the present invention includes a lamp tube 4 and a gear combination mechanism; one end face of the lamp tube 4 is open; the other end face of the lamp tube 4 is sealed ; The outer wall of the lamp tube 4 is evenly distributed with several cooling fins 401; the opening end face of the lamp tube 4 is fixed with a convex lens 1; the inside of the lamp tube 4 is provided with a cooling block 5; A substrate 3 is arranged between the block 5 and the convex lens 1; the substrate 3 is fixed on the heat dissipation block 5; the LED light source 2 is arranged on the substrate 3; a guide rail 402 is arranged on the inner wall of the lamp tube 4; The guide rail 402 is arranged along the length direction of the lamp tube 4; the side wall of the heat dissipation block 5 is provided with a slide block 501 matching the guide rail 402; the slide block 501 is inserted into the guide rail 402; the heat dissipation block 5 and the lamp A crankshaft 11 is arranged between the sealing end surfaces of the cylinder 4; the two shaft heads of the crankshaft 11 are respectively connected to the left and right sides of the inner wall of the lamp cylinder 4; the crank arm of the crankshaft 11 is provided with a swing rod 6; One end of the swing rod 6 is rotatably connected to the crank arm of the crankshaft 11; the other end of the swing rod 6 is hinged to the end face of the cooling block 5; one of the shaft heads of the crankshaft 11 protrudes out of the convex lens 1 and is fixedly connected with the gear combination mechanism; The lamp tube 4 is made of heat-conducting materials; the crankshaft 11 is rotated through the gear combination mechanism, so that the heat dissipation block 5 moves along the direction of the guide rail 402, and the crankshaft 11 returns to the origin after one rotation; this structure does not use a screw to push the LED light source 2, and uses The crankshaft 11 is continuously adjusted; and the LED light source 2 is in any position, no matter whether the crankshaft 11 moves clockwise or counterclockwise, the LED light source 2 can be adjusted, which brings great convenience to the adjustment of the zoom LED.

As a preferred mode of the present invention, the gear combination mechanism includes a protective case 7, a large gear 8, a rotating shaft 9 and a pinion 10; the protective case 7 is fixed on the outer wall of the cooling block 5; the large gear 8 and the pinion 10 are all arranged inside the protective case 7; one of the shaft heads of the crankshaft 11 extends into the protective case 7 and is fixedly connected with the center of rotation of the bull gear 8; the pinion 10 is connected to the protective case through the rotating shaft 9 The shell 7 is connected in rotation; the pinion 10 is meshed with the bull gear 8; a part of the wheel body of the pinion 10 extends out of the protective shell 7; the pinion 10 makes the bull gear 8 and the crankshaft 11 rotate, and the pinion 10 drives bull gear 8, makes the precision of adjustment higher.

As a preferred mode of the present invention, a through hole 502 is provided on the end surface of the heat dissipation block 5; a wire hole 403 is provided on the sealed end surface of the lamp tube 4; the wire connected to the light source of the LED light source 2 passes through the The hole 502 and the wire hole 403 are connected with the external circuit afterward.

When using the present invention, the lamp tube is made of heat-conducting materials; the large gear and the crankshaft are rotated through the pinion, and the small gear is used to drive the large gear to rotate the crankshaft, so that the heat dissipation block moves along the direction of the guide rail, and the crankshaft returns to the The origin; this structure does not use the screw rod to push the LED light source, but uses the crankshaft for continuous adjustment; and the LED light source is in any position, no matter the crankshaft moves clockwise or counterclockwise, the LED light source can be adjusted, which is the adjustment of the zoom LED. It brings great convenience; the wire connected to the LED light source is connected with the external circuit after passing through the through hole and the wire hole.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims (3)

1. The structure of a zoom LED lamp, characterized in that: it includes a lamp tube (4) and a gear combination mechanism; one end of the lamp tube (4) is open; the other end of the lamp tube (4) is sealed shape; the outer wall of the lamp tube (4) is evenly distributed with several cooling fins (401); the opening end of the lamp tube (4) is fixed with a convex lens (1); the lamp tube (4) A heat dissipation block (5) is arranged inside the heat dissipation block (5); a substrate (3) is arranged between the heat dissipation block (5) and the convex lens (1); the substrate (3) is fixed on the heat dissipation block (5); the substrate ( 3) is provided with an LED light source (2); the inner wall of the lamp tube (4) is provided with a guide rail (402); the guide rail (402) is arranged along the length direction of the lamp tube (4); the heat dissipation block The side wall of (5) is provided with a slider (501) matching the guide rail (402); the slider (501) is inserted into the guide rail (402); the heat dissipation block (5) and the lamp tube (4 A crankshaft (11) is arranged between the sealing end faces of the crankshaft (11); the two shaft heads of the crankshaft (11) are respectively connected to the left and right sides of the inner wall of the lamp tube (4) in rotation; the crank arm of the crankshaft (11) is set There is a swing rod (6); one end of the swing rod (6) is rotatably connected to the crank arm of the crankshaft (11); the other end of the swing rod (6) is hinged to the end face of the cooling block (5); the crankshaft (11) One of the shaft heads protrudes out of the convex lens (1) and is fixedly connected with the gear combination mechanism. 2. The structure of a zoom LED lamp according to claim 1, characterized in that: the gear combination mechanism includes a protective case (7), a large gear (8), a rotating shaft (9) and a small gear (10) ; The protective shell (7) is fixed on the outer wall of the cooling block (5); the large gear (8) and the pinion (10) are both arranged inside the protective shell (7); the crankshaft (11) wherein A shaft head protrudes into the protective shell (7) and is fixedly connected with the rotation center of the large gear (8); the small gear (10) is rotationally connected with the protective shell (7) through the rotating shaft (9); the small The gear (10) meshes with the bull gear (8); a part of the wheel body of the pinion (10) protrudes to the outside of the protective shell (7). 3. The structure of a zoom LED lamp according to claim 1, characterized in that: a through hole (502) is provided on the end surface of the heat dissipation block (5); the sealed end surface of the lamp tube (4) Wire passing holes (403) are provided.