Zoom structure of stage lamp

Abstract

The utility model discloses a stage lamp zooming structure, which belongs to the technical field of stage lamp zooming, and comprises a front shell, a rear shell and a zooming component, the front shell and the rear shell are mutually buckled, the zooming component is arranged inside the front shell and the rear shell, the zooming component comprises a lens, a fixing plate and a screw motor, the lens is arranged on one side of the fixing plate, and the screw motor is arranged on the other side of the fixing plate. The other side of the fixing plate is connected with the movable end of the screw motor, a radiator is installed at the opening of the rear shell, and a fixing ring attached to the inner wall of the front shell is installed on the radiator. The stage lamp has the advantages that the lens is installed in the stage lamp shell and connected with the screw motor, the lens can ascend or descend under the action of the screw motor, so that the zoom function is achieved, meanwhile, the fixing ring is arranged between the lens and the shell for limiting, deformation of the shell can be reduced, collision between the lens and the shell is avoided, and the lens is prevented from being damaged. The interior of the shell is connected and supported through the radiator, and the protection effect on the lens is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stage light zoom, in particular to a stage light zoom structure. Background Art

[0002] Stage lighting is an important part of the performance space. It is an artistic creation that designs the lighting environment for the characters and specific scenes required according to the development of the plot, and purposefully reproduces the design intent to the audience in the form of visual images. When zooming through stage lights, focusing and zooming can be achieved by changing the size and shape of the light spot.

[0003] In the prior art, the zoom structure of the stage lamp is mostly complex in structure, with high production cost, and it is not convenient to stably adjust the lens element, and lacks collision protection for the lens element. The service life and practicality of the entire zoom structure need to be improved. At the same time, the utility model patent with announcement number CN205118790U discloses a zoom structure of a stage lamp, including a stepper motor, a main fixed plate, a zoom lifting guide rail, a zoom mechanism assembly, and a fixed lens module. The stepper motor is arranged on the main fixed plate; the zoom lifting guide rail is arranged on the main fixed plate; the zoom mechanism assembly is arranged on the zoom lifting guide rail, and the zoom mechanism assembly can be raised and lowered relative to the main fixed plate, and the rotating shaft of the stepper motor is connected to the zoom mechanism assembly; the fixed lens module is arranged on the zoom mechanism assembly, which lacks collision protection for the lens element, and the service life and practicality of the entire zoom structure need to be improved. Utility Model Content

[0004] In order to overcome the problems that the zoom structure of the stage lamp in the prior art is mostly complex in structure, has a high production cost, is not convenient for stable adjustment of the lens element, lacks collision protection for the lens element, and the service life and practicality of the entire zoom structure need to be improved, the utility model provides a stage lamp zoom structure, including a front shell, a rear shell and a zoom assembly, the front shell and the rear shell are buckled with each other, the zoom assembly is arranged inside the front shell and the rear shell, the zoom assembly includes a lens, a fixing plate and a screw motor, the lens is installed on one side of the fixing plate, the other side of the fixing plate is connected to the active end of the screw motor, a radiator is installed at the opening of the rear shell, and a fixing ring that fits the inner wall of the front shell is installed on the radiator.

[0005] The lens is installed in the stage light housing and connected to the screw motor. It can move up or down under the action of the screw motor to achieve the zoom function. At the same time, a fixing ring is set between the lens and the housing for limiting, which can reduce the deformation of the housing and avoid collision between the lens and the housing. The housing is also connected and supported by a radiator, which further improves the stability of the entire structure and enhances the protection effect of the lens.

[0006] By arranging a guide rod between the radiator and the lens fixing plate, the lens can be moved along the guide rod under the control of the screw motor to avoid the phenomenon of misalignment, and at the same time, under the action of the radiator, the stage light on the zoom structure can be cooled, further improving the practicality of the entire structure. The fixing plate is in a grid shape, and the fixing plate is connected to the lens by bolts.

[0007] By arranging a guide rod between the radiator and the lens fixing plate, the lens can be moved along the guide rod under the control of the screw motor to avoid the phenomenon of misalignment, and at the same time, under the action of the radiator, the stage light on the zoom structure can be cooled, further improving the practicality of the entire structure. Two screw connecting blocks are symmetrically installed on one side of the fixing plate away from the lens, and the two screw connecting blocks are connected to the output ends of the two screw motors and can drive the fixing plate to move along the length direction of the output end of the screw motor.

[0008] Preferably, a plurality of guide openings are formed on the edges of both sides of the radiator, and guide rods are inserted into the plurality of guide openings. The guide rods are connected to the fixed plate via guide sliders and can drive the fixed plate to move up and down along the length direction of the guide rods.

[0009] By arranging a guide rod between the radiator and the lens fixing plate, the lens can be moved along the guide rod under the control of the screw motor to avoid the phenomenon of misalignment. At the same time, under the action of the radiator, the stage light on the zoom structure can be cooled, further improving the practicality of the entire structure.

[0010] Preferably, the screw motor is embedded and installed in a radiator, and the movable end of the radiator is rotatably connected to a screw connecting block via a bearing.

[0011] Preferably, the fixing ring is connected to the radiator via two symmetrically distributed pillars, and a lamp board is connected to the middle of the radiator.

[0012] Preferably, buckles are provided on both sides of the front shell, and slots matching the buckles are provided on both sides of the rear shell, and threaded fixing holes are formed at the connection between the slots and the buckles.

[0013] Preferably, reinforcement plates are provided on the outside of the front shell and the rear shell, and high temperature resistant layers are provided on the inner walls of the front shell and the rear shell.

[0014] By providing a reinforcing plate on the outside of the shell, the strength of the shell can be improved to make it less prone to damage. By providing a high-temperature resistant layer on the inner wall of the shell, the high-temperature resistance performance can be improved to avoid high-temperature damage to the shell.

[0015] Preferably, the surface of the lens is provided with a high temperature resistant coating.

[0016] Preferably, the front shell and the rear shell are made of plastic material.

[0017] Beneficial effects:

[0018] The beneficial effects produced by adopting the technical solution of the utility model are as follows:

[0019] (1) The lens is installed in the stage light housing and connected to the screw motor. The lens can move up or down under the action of the screw motor to achieve the zoom function. At the same time, a fixing ring is set between the lens and the housing to limit the position, which can reduce the deformation of the housing and avoid collision between the lens and the housing. The housing is also connected and supported by a radiator, which further improves the stability of the entire structure and enhances the protection effect of the lens.

[0020] (2) By arranging a guide rod between the heat sink and the lens fixing plate, the lens can be moved along the guide rod under the control of the screw motor to avoid the phenomenon of misalignment. At the same time, under the action of the heat sink, the stage light on the zoom structure can be cooled, further improving the practicality of the entire structure.

[0021] (3) By providing a reinforcing plate on the outside of the shell, the strength of the shell can be improved to make it less susceptible to damage. By providing a high-temperature resistant layer on the inner wall of the shell, the high-temperature resistance can be improved to prevent the shell from being damaged by high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the zoom structure of the stage light of the utility model;

[0024] Figure 2 This is an exploded view of the zoom structure of the stage light of the utility model;

[0025] Figure 3 This is a schematic diagram of the internal connection structure of the zoom structure of the stage light of the utility model;

[0026] Figure 4 It is a schematic diagram of the connection structure of the radiator on the zoom structure of the stage lamp of the utility model;

[0027] Figure 5 This is a schematic diagram of the connection structure of the lens on the zoom structure of the stage light of the utility model;

[0028] Figure 6 The utility model is a schematic structural diagram of the front shell of the stage light zoom structure.

[0029] In the figure: 1. front shell; 2. rear shell; 3. lens; 4. buckle; 5. slot; 6. fixing plate; 7. screw connecting block; 8. guide slider; 9. fixing ring; 10. guide rod; 11. light board; 12. pillar; 13. radiator; 14. screw motor; 15. reinforcement plate; 16. high temperature resistant layer. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0031] In this embodiment, the lens is installed in the stage light housing and connected to the screw motor. The lens can be raised or lowered under the action of the screw motor to achieve the zoom function. At the same time, a fixing ring is set between the lens and the housing to limit the position, which can reduce the deformation of the housing and avoid collision between the lens and the housing. The housing is also connected and supported by a heat sink, which further improves the stability of the entire structure and enhances the protection effect of the lens. The specific implementation is as follows:

[0032] like Figures 1 to 6As shown, a stage light zoom structure includes a front shell 1, a rear shell 2 and a zoom assembly, the front shell 1 and the rear shell 2 are buckled with each other, the zoom assembly is arranged inside the front shell 1 and the rear shell 2, the zoom assembly includes a lens 3, a fixing plate 6 and a screw motor 14, the lens 3 is installed on one side of the fixing plate 6, the other side of the fixing plate 6 is connected to the movable end of the screw motor 14, a heat sink 13 is installed at the opening of the rear shell 2, and a fixing ring 9 is installed on the heat sink 13 to fit the inner wall of the front shell 1. The lens 3 is installed in the stage light shell and connected to the screw motor 14, and can move up or down under the action of the screw motor 14, so as to realize the zoom function. At the same time, a fixing ring 9 is arranged between the lens 3 and the shell for limiting, which can reduce the deformation of the shell and avoid collision between the lens 3 and the shell. The shell is also connected and supported by the heat sink 13, which further improves the stability of the whole structure and the protection effect of the lens 3.

[0033] The fixing plate 6 is in a grid shape and is connected to the lens 3 via bolts. With the help of the fixing plate 6 , the lens 3 can be stably installed in the housing and can be easily assembled and disassembled.

[0034] Two screw connecting blocks 7 are symmetrically installed on one side of the fixing plate 6 away from the lens 3. The two screw connecting blocks 7 are connected to the output ends of the two screw motors 14 and can drive the fixing plate 6 to move along the length direction of the output end of the screw motor 14. Through the screw motor 14, the fixing plate 6 and the lens 3 can be controlled to move forward and backward.

[0035] Several guide openings are formed at the edges of both sides of the heat sink 13, and guide rods 10 are inserted and connected in the several guide openings. The guide rods 10 are connected to the fixing plate 6 through the guide sliders 8 and can drive the fixing plate 6 to move up and down along the length direction of the guide rods 10. By arranging the guide rods 10 between the heat sink 13 and the fixing plate 6 of the lens 3, the lens 3 can be moved along the guide rods 10 under the control of the screw motor 14, avoiding the phenomenon of misalignment, etc. At the same time, under the action of the heat sink 13, the stage light on the zoom structure can be cooled, further improving the practicality of the entire structure.

[0036] The screw motor 14 is embedded in the radiator 13 , and the movable end of the radiator 13 is rotatably connected to the screw connecting block 7 through a bearing. Under the action of the screw motor 14 , the screw rotation can be converted into thrust or tension, and the fixed plate 6 is prompted to move.

[0037] The fixing ring 9 is connected to the radiator 13 through two symmetrically distributed pillars 12. The middle of the radiator 13 is connected to the light board 11. After the fixing ring 9 is connected through the pillars 12, the fixing ring can limit the lens 3 and the fixing board 6 so that they will not fall out of the shell. A plurality of threaded holes are arranged on the light board 11 to fix the stage light.

[0038] Buckles 4 are provided on both sides of the front shell 1, and slots 5 matching the buckles 4 are provided on both sides of the rear shell 2. Threaded fixing holes are formed at the connection between the slots 5 and the buckles 4. The threaded fixing holes can facilitate strengthening the connection and fixation between the front shell 1 and the rear shell 2.

[0039] The front shell 1 and the rear shell 2 are provided with a reinforcing plate 15 on the outside, and the inner wall of the front shell 1 and the rear shell 2 is provided with a high temperature resistant layer 16. The reinforcing plate 15 provided on the outside of the shell can improve the strength of the shell and make it less prone to damage, and the high temperature resistant layer 16 provided on the inner wall of the shell can improve the high temperature resistance and prevent the shell from being damaged by high temperature.

[0040] The surface of the lens 3 is provided with a high temperature resistant coating.

[0041] The front housing 1 and the rear housing 2 are made of plastic material.

[0042] The entire zoom structure is more compact, effectively reducing the maximum outer diameter of the structure and using less material, thereby reducing the weight of the entire stage light and reducing costs.

[0043] Working principle: The lens is installed in the stage light housing and connected to the screw motor. It can move up or down under the action of the screw motor to achieve the zoom function. At the same time, a fixing ring is set between the lens and the housing for limiting, which can reduce the deformation of the housing and avoid collision between the lens and the housing. The housing is also connected and supported by a radiator, which further improves the stability of the entire structure and the protection effect of the lens. By setting a guide rod between the radiator and the lens fixing plate, the lens can move along the guide rod under the control of the screw motor to avoid dislocation and the like. At the same time, under the action of the radiator, the stage light on the zoom structure can be cooled, which further improves the practicality of the entire structure. By setting a reinforcing plate on the outside of the housing, the strength of the housing can be improved to make it not easy to be damaged. By setting a high-temperature resistant layer on the inner wall of the housing, the high-temperature resistance can be improved to avoid high-temperature damage to the housing.

[0044] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stage light zoom structure, characterized in that: The invention comprises a front shell (1), a rear shell (2) and a zoom assembly, wherein the front shell (1) and the rear shell (2) are buckled with each other, and the zoom assembly is arranged inside the front shell (1) and the rear shell (2). The zoom assembly comprises a lens (3), a fixing plate (6) and a screw motor (14), wherein the lens (3) is mounted on one side of the fixing plate (6), and the other side of the fixing plate (6) is connected to the movable end of the screw motor (14). A heat sink (13) is mounted at the opening of the rear shell (2), and a fixing ring (9) is mounted on the heat sink (13) and is in contact with the inner wall of the front shell (1).

2. A stage light zoom structure according to claim 1, characterized in that: The fixing plate (6) is in the shape of a grid, and the fixing plate (6) is connected to the lens (3) via bolts.

3. The stage light zoom structure according to claim 1, characterized in that: Two screw connecting blocks (7) are symmetrically mounted on one side of the fixing plate (6) away from the lens (3); the two screw connecting blocks (7) are connected to the output ends of the two screw motors (14) and can drive the fixing plate (6) to move along the length direction of the output end of the screw motor (14).

4. The stage light zoom structure according to claim 1, characterized in that: A plurality of guide openings are formed at the edges of both sides of the radiator (13), and guide rods (10) are inserted into the plurality of guide openings. The guide rods (10) are connected to the fixing plate (6) via guide sliders (8) and can drive the fixing plate (6) to move up and down along the length direction of the guide rods (10).

5. The stage light zoom structure according to claim 3, characterized in that: The screw motor (14) is embedded and installed in the radiator (13), and the movable end of the radiator (13) is rotatably connected to the screw connecting block (7) via a bearing.

6. The stage light zoom structure according to claim 1, characterized in that: The fixing ring (9) is connected to a radiator (13) via two symmetrically distributed pillars (12); a lamp panel (11) is connected to the middle of the radiator (13).

7. The stage light zoom structure according to claim 1, characterized in that: Buckles (4) are provided on both sides of the front shell (1), and slots (5) matching the buckles (4) are provided on both sides of the rear shell (2), wherein a threaded fixing hole is formed at the connection between the slots (5) and the buckles (4).

8. The stage light zoom structure according to claim 1, characterized in that: The exterior of the front shell (1) and the rear shell (2) is provided with a reinforcing plate (15), and the inner walls of the front shell (1) and the rear shell (2) are provided with a high temperature resistant layer (16).

9. The stage light zoom structure according to claim 1, characterized in that: The surface of the lens (3) is provided with a high temperature resistant coating.

10. The stage light zoom structure according to claim 1, characterized in that: The front housing (1) and the rear housing (2) are made of plastic material.

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