A pattern changing structure of stage lamp

Abstract

The utility model discloses a pattern changing structure of a stage light, comprising a base and two groups of pattern changing units relatively arranged at the front and rear ends of the base, wherein the base forms a light path area for light beams to pass through in the middle thereof; each pattern changing unit comprises a fixed seat arranged at the front or rear end of the base and a pattern changing arm arranged on the fixed seat and capable of sliding in and out relative to the light path area, wherein the fixed seat is provided with a slide rail and a sliding driving structure for driving the pattern changing arm to slide along the slide rail; the pattern changing arm is formed with a vertical arm section, a slide seat connected to the top of the vertical arm section and facing one side of the fixed seat, and a seat plate section connected to the bottom of the vertical arm section and facing one side of the light path area, wherein the slide seat can be slidably arranged on the slide rail, and the seat plate section is rotatably provided with a pattern changing disk on its outer side and a turntable transmission structure for driving the pattern changing disk to rotate is provided on its inner side. The utility model has more diverse functions.

Description

Technical Field

[0001] The utility model relates to the technical field of stage lamps, in particular to a pattern changing structure of a stage lamp. Background Art

[0002] Stage lighting can effectively render the stage performance effect. Stage lights are commonly used stage lighting equipment. Stage lights can concentrate the light source on a focal point so that the light source is more concentrated or dispersed, forming a single beam or multiple beams, thereby creating a better stage lighting effect. During stage performances, stage lights are arranged around the stage, and the light beams are directed toward the stage in multiple directions, thereby creating a stage lighting effect.

[0003] Among them, the use of pattern discs in stage lighting systems is very common. To meet the needs of different stage lighting effects, the pattern disc is in the shape of a long disc with multiple pattern holes spaced apart. The effects of these stage lights are mainly controlled by cutting the pattern disc into the light path and moving back and forth, so as to change the shape of the light projection with the pattern holes. However, the existing pattern disc structure can only switch the pattern holes, and has a single function. Utility Model Content

[0004] The utility model aims to provide a pattern changing structure of a stage lamp.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pattern changing structure of a stage light comprises a base and two groups of pattern changing units arranged at the front and rear ends of the base relatively to each other, wherein the base forms a light path area for a light beam to pass through in the middle thereof; each pattern changing unit comprises a fixed seat arranged at the front or rear end of the base and a pattern changing arm arranged on the fixed seat and capable of sliding in and out relative to the light path area, wherein the fixed seat is provided with a slide rail and a sliding driving structure for driving the pattern changing arm to slide along the slide rail; the pattern changing arm comprises a vertical arm section, a slide seat connected to the top of the vertical arm section and facing the fixed seat, and a slide seat connected to the vertical arm section and facing the fixed seat. The seat plate section at the bottom of the segment faces the optical path area, the slide seat can be slidably arranged on the slide rail along the slide rail, the seat plate section is rotatably provided with a pattern change disk on its outer side and a turntable transmission structure for driving the pattern change disk to rotate on its inner side; the pattern change disk is in the shape of a disk, and a plurality of pattern holes are opened on the ground at intervals along the outer edge and the inner edge of the disk body, and the longitudinal length of the vertical arm section of one pattern change unit is longer than that of the vertical arm section of the other pattern change unit, so that when the pattern change disks of the two groups of pattern change units are located at the same position, they can be arranged one above and one below.

[0007] As a further technical solution of the utility model: the sliding drive structure includes a sliding drive motor arranged on the inner wall of the fixed seat, a first belt transmission structure arranged on the outer wall of the fixed seat, and a connecting block connecting the belt body of the first belt transmission structure and the top of the pattern change arm. The motor shaft of the sliding drive motor passes through the outer wall of the fixed seat, and a pulley of the first belt transmission structure is mounted thereon, so that the motor shaft of the sliding drive motor can rotate, drive the belt body of the first belt transmission structure to operate, and then drive the pattern change arm to slide along the slide rail.

[0008] As a further technical solution of the utility model: the pattern changing disk is connected with a disk center circular seat corresponding to the axis center of its disk body, which is rotatably set on the seat plate section, and a connecting bearing is arranged in the disk center circular seat, and a connecting seat is arranged in the seat plate section corresponding to the connecting bearing, so that the connecting seat and the inner core of the connecting bearing are connected through a connecting rod.

[0009] As a further technical solution of the utility model: the turntable transmission structure includes a turntable motor arranged on the seat plate section, and a second belt transmission structure arranged between the motor shaft of the turntable motor and the disk center circular seat, so that the motor shaft of the turntable motor rotates, driving the belt body of the second belt transmission structure to operate, and then driving the pattern change disk to rotate.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model proposes a pattern change structure of a stage light, which, through the cooperation between a base and two groups of pattern change units, can drive the pattern change arm to slide toward the light path area with a sliding drive structure, drive the pattern change disk with its outer edge or inner edge to slide into the light path area, and use the pattern holes to change the light pattern and realize pattern superposition, and the turntable transmission structure drives the pattern change disk to rotate intermittently or quickly to switch the pattern holes located in the light path area or quickly change the pattern holes located in the light path area, and the functions are more diverse. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 Schematic diagram of the pattern transformation structure of the stage light.

[0012] Figure 2 This is a first viewing angle diagram of a pattern transformation unit.

[0013] Figure 3 This is a second viewing angle diagram of a pattern transformation unit.

[0014] Figure 4 This is a third viewing angle diagram of a pattern transformation unit.

[0015] Figure 5 Schematic diagram of the pattern changing disk.

[0016] Figure 6 This is a first viewing angle diagram of another pattern transformation unit.

[0017] Figure 7 It is a second viewing angle diagram of another pattern transformation unit.

[0018] Figure 8 This is a third viewing angle diagram of another pattern transformation unit. DETAILED DESCRIPTION

[0019] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the protection scope of the present invention.

[0020] See also Figure 1 , Figure 2 and Figure 6 A pattern changing structure of a stage lamp is arranged in an inner bracket of a lamp head of the stage lamp, and comprises a base 10 arranged in the inner bracket of the lamp head and two groups of pattern changing units 20 arranged at the front and rear ends of the base 10 relatively, wherein the base 10 has a light path area 11 formed in the middle thereof for light beams to pass through; each pattern changing unit 20 comprises a fixed seat 21 arranged at the front or rear end of the base 10 and a pattern changing arm 22 arranged on the fixed seat 21 so as to be able to slide in and out along the fixed seat 21 relative to the light path area 11, wherein a slide rail 211 and a sliding driving structure 212 for driving the pattern changing arm 22 to slide along the slide rail 211 are arranged on the fixed seat 21; the pattern changing arm 22 comprises a vertical arm section 221, a fixed arm 221 connected to the top of the vertical arm section 221, and a sliding driving structure 212 for driving the pattern changing arm 22 to slide along the slide rail 211; the pattern changing arm 22 comprises a vertical arm section 221, a fixed arm 221 connected to the top of the vertical arm section 221, and a sliding driving structure 212 for driving the pattern changing arm 22 to slide along the sliding rail 211; the pattern changing arm 22 comprises a vertical arm section 221, a vertical arm section 221 connected to the top of the vertical arm section 221, and a sliding driving structure 212 for driving the pattern changing arm 22 to slide along the sliding rail 211. The slide seat 222 on one side of the fixed seat 21 and the seat plate section 223 connected to the bottom of the vertical arm section 221 and facing the optical path area 11, the slide seat 222 can be slidably set on the slide rail 211 along the slide rail 211, the seat plate section 223 is rotatably provided with a pattern change disk 23 on its outer side and a turntable transmission structure 24 for driving the pattern change disk 23 to rotate on its inner side; the pattern change disk 23 is in the shape of a disk, and a plurality of pattern holes 231 are opened at intervals along the outer edge and the inner edge of the disk body, and the vertical arm section 221 of one pattern change unit 20 is longer in longitudinal length than the vertical arm section 221 of another pattern change unit 20, so that when the pattern change disks 23 of the two groups of pattern change units 20 are located at the same position, they can be stacked one above and one below.

[0021] It can be understood that the method of using the pattern change structure of a stage light of the utility model is as follows: the sliding drive structure 212 of each pattern change unit 20 drives the pattern change arm 22 to slide toward the light path area 11, driving the pattern change disk 23 to slide into the light path area 11 with its outer edge or inner edge, and changing the light pattern with the pattern hole 231, and the turntable transmission structure 24 can drive the pattern change disk 23 to rotate intermittently or quickly, so as to switch the pattern hole 231 located in the light path area 11 or quickly change the pattern hole 231 located in the light path area 11, so as to form a strobe light effect. In this way, the pattern change structure of the stage light can change the light pattern by controlling the pattern change disks 23 of the two groups of pattern change units 20 to cut into the light path area 11, and can realize pattern superposition, and the functions are more diverse. In addition, according to actual needs, the shapes of the pattern holes 231 on the two pattern change disks 23 can be flexibly designed.

[0022] Further, in this embodiment, in combination with reference to Figure 3 , Figure 7 The sliding drive structure 212 includes a sliding drive motor 201 arranged on the inner wall of the fixed seat 21, a first belt transmission structure 202 arranged on the outer wall of the fixed seat 21, and a connecting block 203 connecting the belt body of the first belt transmission structure 202 and the top of the pattern change arm 22. The motor shaft of the sliding drive motor 201 passes through the outer wall of the fixed seat 21, and a pulley of the first belt transmission structure 202 is mounted thereon, so that the motor shaft of the sliding drive motor 201 can rotate, drive the belt body of the first belt transmission structure 202 to operate, and then drive the pattern change arm 22 to slide along the slide rail 211.

[0023] Further, according to actual needs, the location of the slide rail 211 on the fixed seat 21 can be flexibly designed, including but not limited to being set on the top or inner wall of the fixed seat 21. In this embodiment, the slide rail 211 of one pattern conversion unit 20 is mounted on the top of the fixed seat 21, and the slide rail 211 of another pattern conversion unit 20 is set on the inner wall of the fixed seat 21.

[0024] Further, in this embodiment, in combination with reference to Figure 4 , Figure 5 and Figure 8 The pattern changing disk 23 is connected with a disk center circular seat 232 rotatably arranged on the seat plate section 223 at the corresponding position of the axis center of the disk body, and a connecting bearing 233 is arranged inside the disk center circular seat 232, and a connecting seat 234 is arranged on the seat plate section 223 corresponding to the connecting bearing 233, so that the connecting seat 234 is connected to the inner core of the connecting bearing 233 through a connecting rod.

[0025] Furthermore, in this embodiment, the turntable transmission structure 24 includes a turntable motor 241 arranged on the seat plate section 223, and a second belt transmission structure 242 arranged between the motor shaft of the turntable motor 241 and the disk center circular seat 232, so that the motor shaft of the turntable motor 241 rotates, driving the belt body of the second belt transmission structure 242 to operate, and then driving the pattern change disk 23 to rotate.

[0026] Further, according to actual needs, the pattern changing arms 22 of the two pattern changing units 20 can be flexibly designed in detail without changing their operating principles. In this embodiment, the slide seats 222 of the two pattern changing units 20 correspond to the slide rails 211 respectively, and are arranged horizontally or vertically to match and install with the corresponding slide rails 211.

[0027] In summary, the pattern change structure of a stage light of the utility model can drive the pattern change arm 22 to slide toward the light path area 11 through the cooperation between the base 10 and the two groups of pattern change units 20, and drive the pattern change disk 23 to slide into the light path area 11 with its outer edge or inner edge, and use the pattern holes 231 to change the light pattern and realize pattern superposition, and the turntable transmission structure 24 drives the pattern change disk 23 to rotate intermittently or quickly, so as to switch the pattern holes 231 located in the light path area 11 or quickly change the pattern holes 231 located in the light path area 11, and the functions are more diverse.

[0028] As long as it does not violate the creative idea of ​​the utility model, any combination of various different embodiments of the utility model should be regarded as the content disclosed by the utility model; within the technical concept of the utility model, any simple modification of the technical solution and any combination of different embodiments that do not violate the creative idea of ​​the utility model should be within the protection scope of the utility model.

Claims

1. A pattern changing structure of a stage light, characterized in that: The invention comprises a base (10) and two groups of pattern conversion units (20) arranged at the front and rear ends of the base (10) relatively to each other, wherein the base (10) is formed with an optical path area (11) in the middle thereof for light beams to pass through; each pattern conversion unit (20) comprises a fixed seat (21) arranged at the front or rear end of the base (10) and a pattern conversion arm (22) arranged on the fixed seat (21) so as to be able to slide in and out relative to the optical path area (11); the fixed seat (21) is provided with a slide rail (211) and a sliding driving structure (212) for driving the pattern conversion arm (22) to slide along the slide rail (211); the pattern conversion arm (22) is formed with a vertical arm section (221), a slide seat (222) connected to the top of the vertical arm section (221) and facing the fixed seat (21) and a slide seat (222) connected to the vertical arm section (221) and facing the fixed seat (21) The slide seat (222) is slidably arranged on the slide rail (211) along the slide rail (211), and the seat plate section (223) is rotatably provided with a pattern change disk (23) on its outer side and a turntable transmission structure (24) for driving the pattern change disk (23) to rotate on its inner side; the pattern change disk (23) is in the shape of a disk, and a plurality of pattern holes (231) are opened at intervals along the outer edge and the inner edge of the disk, and the vertical arm section (221) of one pattern change unit (20) is longer in longitudinal length than the vertical arm section (221) of another pattern change unit (20), so that when the pattern change disks (23) of the two groups of pattern change units (20) are located at the same position, they can be arranged in a stacked arrangement one above the other.

2. The pattern changing structure of a stage light according to claim 1, characterized in that: The sliding drive structure (212) comprises a sliding drive motor (201) arranged on the inner wall of the fixing seat (21), a first belt transmission structure (202) arranged on the outer wall of the fixing seat (21), and a connecting block (203) connecting a belt body of the first belt transmission structure (202) and a top end of the pattern changing arm (22); the motor shaft of the sliding drive motor (201) passes through the outer wall of the fixing seat (21), and a belt wheel of the first belt transmission structure (202) is mounted thereon, so that the motor shaft of the sliding drive motor (201) rotates, thereby driving the belt body of the first belt transmission structure (202) to operate, and further driving the pattern changing arm (22) to slide along the slide rail (211).

3. The pattern changing structure of a stage light according to claim 1, characterized in that: The pattern changing disk (23) is connected to a disk center circular seat (232) at a position corresponding to the axis center of the disk body, and is rotatably arranged on the seat plate section (223); a connecting bearing (233) is arranged inside the disk center circular seat (232); and a connecting seat (234) is arranged on the seat plate section (223) corresponding to the connecting bearing (233); and the connecting seat (234) is connected to the inner core of the connecting bearing (233) through a connecting rod.

4. The pattern changing structure of the stage light according to claim 3, characterized in that: The turntable transmission structure (24) comprises a turntable motor (241) arranged on the seat plate section (223), and a second belt transmission structure (242) arranged between the motor shaft of the turntable motor (241) and the disk center circular seat (232), so that the motor shaft of the turntable motor (241) rotates, thereby driving the belt body of the second belt transmission structure (242) to operate, and further driving the pattern change disk (23) to rotate.

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