An optical path cutter

Abstract

The application provides a light path cutter, which comprises a main disc and a first adjusting assembly, wherein the first adjusting assembly comprises a first transmission motor and a cutting assembly; a first light transmission hole is arranged in the middle of the main disc; the first transmission motor is fixed on the main disc; the cutting assembly is in transmission connection with the first transmission motor through a connecting belt, so that the first transmission motor drives the cutting assembly to rotate to shield the first light transmission hole and obtain a light hole effect with different shapes. In the light path cutter, the cutting assembly is connected with the transmission motor through the connecting belt, the cutting assembly is directly fixed on the connecting belt, fewer motors can be used to control the cutting assembly, the structure is simpler, and more abundant light hole effects can be obtained.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of stage lamps, and particularly relates to a light path cutter. BACKGROUND

[0002] A traditional stage light path cutter uses eight motors to control four groups of cutting pieces to move forward and backward and left and right to realize shape change of a middle light hole, so that the projected light changes into different shapes.

[0003] The advantage is that the shapes are diversified, but in actual application, the demand for shape change is not so high. The use of eight motors makes the light path cutter consume more energy and have a higher production cost.

[0004] Therefore, the light path cutter provided by the application can realize more rich light change effects by using fewer motors. SUMMARY

[0005] The application aims to provide a light path cutter to solve the problems of complex structure and low adjustability of a cutting light hole effect in the prior art.

[0006] To achieve the above-mentioned purpose, the application adopts the following technical solutions:

[0007] A light path cutter comprises a main disc and a first adjusting assembly, the first adjusting assembly comprises a first transmission motor and a cutting assembly, the main disc is provided with a first light-transmitting hole in the middle, the first transmission motor is fixed on the main disc, and the cutting assembly is in transmission connection with the first transmission motor through a connecting belt, so that the first transmission motor drives the cutting assembly to rotate to shield the first light-transmitting hole and obtain a light hole effect with different shapes.

[0008] Further, the cutting assembly comprises two cutting pieces arranged in parallel, and each cutting piece is fixed at both ends on the connecting belt, so that the connecting belt drives both ends of each cutting piece to move in opposite directions, and the two cutting pieces move synchronously.

[0009] In some embodiments of the application, the first transmission motor is provided with two, the connecting belt is provided with two groups, the cutting assembly is provided with two groups, and the connecting belts for fixing the two groups of cutting assemblies are arranged perpendicularly to each other, and the four cutting pieces enclose a cutting light hole.

[0010] Further, the first light-transmitting hole is a circular hole.

[0011] The application can be improved as follows, further comprising a second adjusting assembly, the second adjusting assembly comprising a fixed plate and a second transmission motor; the second transmission motor is connected with the fixed plate through a screw rod transmission, and the first adjusting assembly is fixed on the fixed plate of the second adjusting assembly, so that the relative distance of the cutting assembly in the first adjusting assembly to the first light transmission hole is adjusted through the second adjusting assembly. The second dimension of the cutting piece can be adjusted by adding the second adjusting assembly, and the light spot effect formed after the light transmission of the cutter is enriched.

[0012] Further, a second light transmission hole is formed in the middle of the fixed plate, and the second light transmission hole is an elliptical hole.

[0013] The application can be further improved, further comprising a transmission rotating wheel assembly, the transmission rotating wheel assembly comprising a driving gear and a driven gear, the driven gear being fixedly connected with the bottom of the main plate, and the driving gear and the driven gear being in transmission connection. The main plate can be rotated by 360 degrees through the transmission rotating wheel assembly, so that the orientation of the cutting piece relative to the first light transmission hole of the main plate in the horizontal plane is adjusted, and the light spot shape effect is further enriched.

[0014] A stage lamp comprises a fixed frame and the above-mentioned light path cutter, and the light path cutter is fixed on the fixed frame.

[0015] The application has the following beneficial effects:

[0016] (1) In the light path cutter of the application, the cutting assembly is connected with the transmission motor through the connecting belt, the cutting assembly is directly fixed on the connecting belt, a smaller motor can be used to control the cutting assembly, the structure is simpler, and a more abundant light hole effect can be obtained.

[0017] (2) The light path cutter of the application is further enriched in the cutting effect of the light cutting assembly by adding the second adjusting assembly and the transmission rotating wheel assembly, the shape of the light hole is adjusted from multiple dimensions, so that a more abundant light hole effect is obtained, the use requirements of different scenes are met, and the application range is wide.

[0018] The application will be further described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the overall structure of the light path cutter of the application;

[0020] Figure 2 It is a side view of Figure 1

[0021] Figure 3 It is a schematic view of the structure of the transmission rotating wheel assembly of the application;

[0022] Figure 4 ​It is a structural schematic view of the main disc of the application;

[0023] Figure 5 It is a connection structural view of the first adjusting assembly and the second adjusting assembly of the application;

[0024] Figure 6 It is a structural schematic view of the cutting assembly of the application;

[0025] The marks in the drawings are as follows: 100, main disc; 200, first adjusting assembly; 300, second adjusting assembly; 400, transmission rotating wheel assembly; 101, first light transmission hole; 201, first transmission motor; 202, cutting assembly; 203, connecting belt; 204, guide roller; 301, fixed plate; 302, second transmission motor; 303, second light transmission hole; 401, driving gear; 402, driven gear. DETAILED DESCRIPTION

[0026] The technical solutions of the application are further described below in combination with specific embodiments, so that the persons skilled in the art can better understand the technical solutions of the application and implement them.

[0027] As shown in the light path cutter, it comprises a main disc 100, a first adjusting assembly 200, a second adjusting assembly 300 and a transmission rotating wheel assembly 400. Figures 1-6 The main disc 100 is circular, and a first light transmission hole 101 is formed in the middle of the main disc 100. The first light transmission hole 101 is a circular hole. Two second adjusting assemblies 300 are vertically arranged on the main disc 100. Each second adjusting assembly 300 comprises a fixed plate 301 and a second transmission motor 302. The second transmission motor 302 is fixed on the main disc 100, and the second transmission motor 302 is connected with the fixed plate 301 through a screw transmission. A second light transmission hole 303 is formed in the middle of the fixed plate 301, and the second light transmission hole 303 is an elliptical hole. The first adjusting assembly 200 is fixed on the fixed plate 301 of each second adjusting assembly 300.

[0028]

[0029] ​In the embodiment, each first adjusting assembly 200 comprises a first transmission motor 201, a cutting assembly 202 and a connecting belt 203. The first transmission motor 201 is fixed at one end of the fixed plate 301 away from the second transmission motor 302, the connecting belt 203 is sleeved on the guide roller 204, the cutting assembly 202 is arranged above the fixed plate 301 and is fixed on the connecting belt 203, and the cutting assembly 202 is in transmission connection with the second transmission motor 302 through the connecting belt 203. Specifically, the cutting assembly 202 comprises two cutting blades arranged in parallel, and each cutting blade is fixed at two ends thereof on the connecting belt 203, so that the connecting belt 203 drives each cutting blade to move in opposite directions at two ends thereof, and the two cutting blades move synchronously. The connecting belts 203 of the two cutting assemblies 202 are arranged perpendicularly to each other, and the four cutting blades enclose the cutting light hole. By pulling the two first adjusting assemblies 200, a rich light hole can be formed, and the light hole effect is adjusted in the first dimension. The relative distance between the cutting assembly 202 in the first adjusting assembly 200 and the first light-transmitting hole 101 is adjusted by moving the fixed plate 301 through the second transmission motor 302, and the light hole effect is adjusted and enriched in the second dimension.

[0030] In order to further enrich the light hole effect, a transmission rotating wheel assembly 400 is further included, the transmission rotating wheel assembly 400 comprises a driving gear 401 and a driven gear 402, the driven gear 402 is fixedly connected with the bottom of the main plate 100, and the driving gear 401 and the driven gear 402 are in transmission connection. The main plate 100 can be rotated by 360 degrees through the transmission rotating wheel assembly 400, so that the orientation of the cutting blade relative to the first light-transmitting hole 101 of the main plate 100 in the horizontal plane is adjusted, and the light-transmitting light spot shape effect is further enriched.

[0031] The light path cutter adjusts the light hole from multiple dimensions, and the light hole is combined to form a rich light hole. When light passes through, a light spot effect with different shapes and rich patterns can be projected, and the structure is simple and the cost is low.

[0032] The above embodiments of the present application are not a limitation on the protection scope of the present application, and the embodiments of the present application are not limited thereto. According to the above content of the present application, any other forms of modification, replacement or change of the above structure of the present application made by those skilled in the art according to the ordinary technical knowledge and common practice in the art without departing from the above basic technical idea of the present application shall fall within the protection scope of the present application.

Claims

1. An optical path cutter, characterized in that, The system includes a main disk (100) and a first adjustment component (200). The first adjustment component (200) includes a first drive motor (201) and a cutting component (202). The main disk (100) has a first light-transmitting hole (101) in the middle. The first drive motor (201) is fixed on the main disk (100). The cutting component (202) is connected to the first drive motor (201) through a linkage belt (203), so that the first drive motor (201) drives the cutting component (202) to rotate and block the first light-transmitting hole (101) to obtain light hole effects of different shapes. It also includes a second adjustment component (300), which includes a fixing plate (301) and a second drive motor (302); the fixing plate (301) has a second light-transmitting hole (303) in the middle, and the second light-transmitting hole (303) is an elliptical hole; the second drive motor (302) is connected to the fixing plate (301) by a screw drive, and the first adjustment component (200) is fixed on the fixing plate (301) of the second adjustment component (300), so that the relative distance between the cutting component (202) in the first adjustment component (200) and the first light-transmitting hole (101) can be adjusted by the second adjustment component (300); It also includes a transmission rotating wheel assembly (400), which includes a driving gear (401) and a driven gear (402). The driven gear (402) is fixedly connected to the bottom of the main disk (100), and the driving gear (401) and the driven gear (402) are connected in a transmission manner.

2. The optical path cutter according to claim 1, characterized in that, The cutting assembly (202) includes two parallel cutting blades, each of which is fixed at both ends to a connecting belt (203), such that the connecting belt (203) drives the two ends of each cutting blade to move in opposite directions, and the two cutting blades move synchronously.

3. The optical path cutter according to claim 2, characterized in that, There are two first drive motors (201), two sets of connecting belts (203), and two sets of cutting components (202). The connecting belts (203) that fix the two sets of cutting components (202) are arranged perpendicularly to each other, and the four cutting blades surround to form a cutting light hole.

4. The optical path cutter according to any one of claims 1-3, characterized in that, The first light-transmitting hole (101) is a circular hole.

5. A stage light, characterized in that, It includes a mounting frame and the optical path cutter according to any one of claims 1-4, wherein the optical path cutter is fixed on the mounting frame.

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