CN202733791U - Stage lamp light beam forming cutting system and stage lamp - Google Patents
Stage lamp light beam forming cutting system and stage lamp Download PDFInfo
- Publication number
- CN202733791U CN202733791U CN 201220394794 CN201220394794U CN202733791U CN 202733791 U CN202733791 U CN 202733791U CN 201220394794 CN201220394794 CN 201220394794 CN 201220394794 U CN201220394794 U CN 201220394794U CN 202733791 U CN202733791 U CN 202733791U
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- push rod
- stage lamp
- cam
- gathering sill
- cutting blade
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Abstract
The utility model discloses a stage lamp light beam forming cutting system. The stage lamp light beam forming cutting system comprises a support, a plurality of groups of cutting sheets and a plurality of pairs of actuators. Each group of cutting sheets are arranged in different planes which and light beams are orthometric and can move along the planes where the cutting sheets are placed. Each pair of actuators is connected with each corresponding group of cutting sheets. Each actuator comprises a drive motor and a transmission mechanism. The drive motor is arranged on the support. The transmission mechanism comprises a push rod, a cam and a guide plate. The cam is fixedly connected with the drive motor. One end of the push rod is movably connected with each cutting sheet, and the other end of the push rod is movably connected with the cam. The guide plate is arranged on the support. The cam, the push rod and the guide plate are matched so that rotational motion of an output shaft of the drive motor is converted to straight line motion of the push rod, fast cutting speed can be acquired, and meanwhile the mechanism of the cam and the push rod is simple in structure, small in size and reasonable in arrangement.
Description
Technical field
The utility model belongs to the stage lamp technical field, particularly relates to a kind of for stage lamp beam-forming diced system and use the stage lamp of this diced system.
Background technology
In the stage technique field, usually between the light source of stage lamp and bright dipping object lens, be provided with the beam-shaping assembly, be used for the interception light beam in order to obtain light beam with certain cross section.
Cutting assembly is one of typical beam-shaping assembly, can be used for obtaining the light beam of arbitrary shape gabarit, can also regulate the size of light beam.In stage performance, the hot spot that the light controller can project light fixture according to the needs of the story of a play or opera or scene cuts out various shapes.
In the prior art, the drive mechanism of cutting assembly generally is to adopt the drive mechanisms such as screw mandrel or screw rod, although this structure can realize driving the purpose of cutting assembly, but exist following defective: (1) transmission speed is excessively slow, be difficult to make cutting assembly to obtain faster cutting speed, thereby affect light beam cutting effect and the stage performance effect of stage lamp; (2) take up room larger, thereby so that the volume ratio of whole light fixture is large and seem relatively heavier; (3) motion is dumb, and the operation free degree of cutting assembly is subject to certain limitation, so that some beam shape effect can't obtain by cutting.And the drive mechanism of other type, often complex structure takies larger maneuver space, can not satisfy simultaneously to reduce the demand that the light fixture volume can be realized again fly-cutting, flexible motion.
Summary of the invention
Goal of the invention of the present utility model is to overcome the defective of prior art, and what provide that a kind of cutting speed is fast, the light fixture volume is little is used for stage lamp beam-forming diced system.
For achieving the above object, the utility model adopts following technical scheme, and a kind of stage lamp beam-forming diced system comprises:
Support;
Some groups of cutting blades, every group of cutting blade are separately positioned in the Different Plane with the light beam quadrature and can be along mobile in the plane at its place;
Some to executing agency, every pair of executing agency's cutting blade corresponding with a group connects; Each executing agency comprises drive motors and transmission mechanism, and described drive motors is installed on the support;
Described transmission mechanism comprises push rod, cam and guide plate, its cam is fixedly connected with drive motors, one end of push rod and cutting blade are flexibly connected, the other end and cam are flexibly connected, guide plate is installed on the support, and cam, push rod and guide plate cooperate the rectilinear motion that rotatablely moving of drive motors output shaft is converted into push rod.
Described cam is provided with cam path, and described push rod is inserted in the cam path by driven member; Described push rod is provided with the push rod gathering sill; Be positioned at drive motors output shaft extended line on the cam and be installed with guide pillar, described guide pillar stretches in the push rod gathering sill and with the push rod gathering sill and forms matched in clearance; Described guide plate is provided with gathering sill, be provided with coupling assembling in the gathering sill, described coupling assembling one end be plugged in the corresponding gathering sill after corresponding push rod connects, the other end and corresponding cutting blade connection, gathering sill and push rod gathering sill are on same straight line or be parallel to each other.
Described guide pillar is positioned on the gathering sill center line extended line.
Also be connected with pad above described guide pillar, the external diameter of described pad is greater than the width of push rod gathering sill.
The both sides of described cutting blade are respectively arranged with the first ear formula structure and the second ear formula structure, are provided with circular hole on the first ear formula structure, are provided with sliding tray on the second ear formula structure, and described circular hole and sliding tray are flexibly connected by coupling assembling with push rod respectively.
Described coupling assembling comprises connecting pin and spacing guide pillar, and connecting pin passes respectively installing hole and the circular hole on the cutting blade or the sliding tray of push rod, and with the installing hole of push rod, circular hole or sliding tray matched in clearance on the cutting blade; Spacing guide pillar is connected to the terminal of connecting pin and is plugged in the corresponding gathering sill.
Described cutting blade arranges four groups altogether, and described guide plate is two, and four groups of cutting blades are installed between two guide plates, and the line of per two groups of cutting blades is vertical.
Described support comprises fixed mount and rotating disc, and described fixed mount is fixed on the inwall of lamp outer casing, and rotating disc connects with fixed mount by rotary drive mechanism and can rotate by relative fixed mount, and guide plate, drive motors are installed on the rotating disc.
Described rotary drive mechanism comprises the tooth bar that is installed on the fixed mount, be installed in the gear on the rotating disc and be installed in electric rotating machine on the rotating disc, and the motor shaft of electric rotating machine is connected with the centre bore of gear, and wheel and rack is connected with a joggle.
A kind of stage lamp of using above-mentioned arbitrary stage lamp beam-forming diced system.
The beneficial effects of the utility model:
1, adopt cam follower mechanism as driving member, rotatablely moving of drive motors can being produced is converted into push rod along the round rectilinear motion of the gathering sill direction of guide plate, so can obtain faster cutting speed, and can obtain easily extraordinary cutting strobe effect.
2, cam follower mechanism structure of the present utility model is simple, volume is little, rationally distributed, can rationally utilize the stage lamp inner space, substantially the outer maneuver space of occupying volume not, thereby reduced the volume of whole diced system, thereby reduced widely the volume of stage lamp, can conveniently transport and store placement.
3, the utility model compact dimensions, volume is little, safe and reliable, assembly technology is simple and production cost is low.
Description of drawings
Fig. 1 is general structure schematic diagram of the present utility model.
Fig. 2 is the part decomposing schematic representation of structure shown in Figure 1.
Fig. 3 is drive motors, the transmission mechanism of the utility model structure, the connection diagram of cutting blade.
Fig. 4 is the schematic diagram of one group of cutting assembly in the structure shown in Figure 3.
Fig. 5 is the decomposing schematic representation of one group of cutting assembly in the structure shown in Figure 3.
Fig. 6 is the structural representation of cutting blade shown in Figure 1.
Fig. 7 is the schematic diagram of the first cut state (that is: light beam not being cut) of the utility model diced system.
Fig. 8 is the schematic diagram of the second cut state (that is: part is cut light beam) of the utility model diced system.
Fig. 9 is the schematic diagram of the third cut state (that is: parallel cutting light beam) of the utility model diced system.
The specific embodiment
Describe with reference to the accompanying drawings structure of the present utility model and operation principle in detail.
Shown in Fig. 1-3, stage lamp beam-forming diced system described in the utility model comprises:
Support 1 is fixedly connected with along the beam direction extension of stage lamp and with the shell of stage lamp;
The cutting mechanisms that four groups of cutting blades 2 form, every group of cutting blade are separately positioned in the Different Plane with the light beam quadrature and can be along mobile in the plane at its place;
Four pairs of executing agencies, every pair of executing agency's cutting blade 2 corresponding with a group connects; Wherein an arbitrary executing agency comprises a drive motors 6 and a transmission mechanism, and drive motors 6 is installed on the support 1.
To shown in Figure 5, wherein arbitrary transmission mechanism comprises push rod 3, cam 4 and guide plate 5 such as Fig. 2.Wherein guide plate 5 is provided with two altogether, and guide plate 5 is installed on the support 1, and the cutter sweep of four groups of cutting blade compositions is arranged between two guide plates 5, and every guide plate 5 is provided with four gathering sills 51, the corresponding gathering sill 51 of each transmission mechanism; Cam 4 is fixedly connected with the output shaft of drive motors 6, and cam 4 is provided with cam path 41; One end of push rod 3 is provided with driven member 7, and push rod 3 is inserted in the cam path 41 by driven member 7; Push rod 3 is provided with push rod gathering sill 31; Be positioned at drive motors output shaft extended line on the cam 4 and be installed with guide pillar 43, guide pillar 43 is positioned on the corresponding gathering sill 51 center line extended lines, and guide pillar 43 stretches in the push rod gathering sill 31 and with push rod gathering sill 31 and forms matched in clearance; Be provided with coupling assembling 8 in every gathering sill 51, coupling assembling 8 one ends connect with corresponding transmission mechanism push rod 3, the other end and corresponding cutting blade 2 connections.
Shown in Fig. 6-7, the both sides of cutting blade 2 are respectively arranged with the first ear formula structure and the second ear formula structure, be provided with on the first ear formula structure on circular hole 22, the second ear formula structures and be provided with sliding tray 21, described circular hole 22 and sliding tray 21 are flexibly connected by coupling assembling 8 with corresponding push rod 3 respectively.
As shown in Figure 5, coupling assembling 8 comprises connecting pin 82 and spacing guide pillar 81, and connecting pin 82 passes installing hole 32 and the circular hole 22 on the cutting blade 2 or the sliding tray 21 of push rod 3, and with the installing hole 32 of push rod, circular hole 22 or sliding tray 21 matched in clearance on the cutting blade 2; Such as Fig. 4, spacing guide pillar 81 is connected to the end of connecting pin 82, and (be specially: spacing guide pillar 81 is provided with centre bore, its centre bore and connecting pin 82 are interference fit, connect or be riveted together by rivet), can carry out position-limiting action to push rod 3 and cutting blade 2, to prevent that connecting pin 82 from coming off, spacing guide pillar 81 is plugged in the corresponding gathering sill 51, is used for cutting blade 2 corresponding to guiding and moves along the direction of gathering sill 51.
As shown in Figure 5, as preferably, cam 4 also be connected with axle sleeve 42(cam 4 be preferably by bolt or screw with axle sleeve 42 be connected), axle sleeve 42 is connected with drive motors 6, axle sleeve 42 is provided with guide pillar 43, preferred guide pillar 43 is formed in one with axle sleeve 42.
As preferably, above guide pillar 43, also be connected with pad 44, the external diameter of this pad 44 is greater than the width of push rod gathering sill 31, can prevent that guide pillar 43 from deviating from from push rod gathering sill 31.This pad 44 can be interference, spot welding, riveted or other suitable mode with the connected mode of guide pillar 43.
Described driven member 7 is the roller type driven member, is preferably columnar member, as adopting the form of connecting pin.The interior contour shape of described cam path 41 is consistent with the path curves shape of driven member 7, and the center line of groove is the path curves of driven member 7, and the width of groove is a bit larger tham the diameter of roller type driven member 7, just can make driven member 7 freely-movable in groove.
As shown in Figure 2, support 1 comprises fixed mount 11 and rotating disc 12, and described fixed mount 11 is fixed on the inwall of lamp outer casing, and rotating disc 12 is connected with fixed mount 11 by rotary drive mechanism, and relatively fixed mount 11 rotations.
Described rotary drive mechanism comprises the tooth bar 13 that is installed on the fixed mount 11, be installed in the gear 14 on the rotating disc 12 and be installed in electric rotating machine 15 on the rotating disc 12, the centre bore of the motor shaft of electric rotating machine 15 and gear 14 is connected, and gear 14 is connected with a joggle with tooth bar 13.
Fixed mount 11 is provided with the central opening that holds rotating disc 12.
Described fixed mount 11 is provided with several directive wheels 16 that are circle distribution, the periphery wall of directive wheel 16 is provided with annular groove, described rotating disc 12 is folded in the annular groove of directive wheel 16, and rotating disc 12 is played position-limiting action, to avoid the phenomenons such as the positioning that rotatablely moves of rotating disc 12.
Described rotating disc 12 is provided with the circular hole that holds each drive motors 6 motor shaft, is connected with the axle sleeve 42 of cam 4 so that motor shaft extends to cam 4 places.Described rotating disc 12 is provided with the loophole 10 that passes through for light beam.
The drive motors 6 of guide plate 5, driving mechanism all is installed on the rotating disc 12.
Each cutting blade 2 is arranged in the Different Plane with the beam axis quadrature, and each cutting blade 2 all can be along its corresponding planar movement, and each cutting blade 2 can not touched mutually.
A cutting blade 2 connects a pair of transmission mechanism, a pair of driving mechanism, end on the cutting blade 2 (sliding tray 21) is slidingly connected with one of them transmission mechanism, the other end of cutting blade 2 (circular hole 22) is flexibly connected with another transmission mechanism, per two cutting blades 2, two pairs of transmission mechanisms, two pairs of driving mechanisms, a guide plate 5 consist of one group of cutting assembly, totally two groups of cutting assemblies;
Wherein, the direction of the gathering sill 51 of two guide plates 5 is mutually vertical, is used for two groups of cutting assemblies of guiding and moves along orthogonal both direction respectively.
Two groups of cutting assemblies are set to 90 degrees mutually, thereby can cut out easily the various patterns such as parallelogram, trapezoidal, triangle.
The maximal translation stroke of arbitrary cutting blade 2 is more than or equal to the diameter of loophole 10, and arbitrary cutting blade 2 is when the first extreme position of maximal translation stroke, and this cutting blade 2 separates fully with loophole 10, as shown in Figure 7; When cutting blade 2 was in the position of interfering beam, these cutting blade 2 partial coverage loopholes 10 were such as Fig. 8 and shown in Figure 9; When cutting blade 2 was in the second extreme position, this cutting blade 2 covered loophole 10 fully.
A kind of stage lamp comprises lamp outer casing and setting stage lamp beam-forming diced system in the enclosure.
Operation principle of the present utility model:
The motor shaft output of drive motors 6 is fixedly connected with cam 4, drive motors 6 directly driving cam 4 around output shaft rotation, because driving member 7 is arranged in the cam path 41 of cam 4, move so the rotation of cam 4 can drive driving member 7, and then drive push rod 3 is done the cam curve motion; Because guide pillar 43 is limited at the 31 interior slips of push rod gathering sill, spacing guide pillar 81 is limited at the gathering sill 51 interior slips on the guide plate 5, can only be along gathering sill 51 moving linearlies of guide plate 5 thereby define push rod 3.Therefore, rotatablely moving that above-mentioned transmission mechanism can produce drive motors 6 is converted into push rod 3 along the round rectilinear motion of gathering sill 51 directions of guide plate 5.
Because spacing guide pillar 81 forms matched in clearance and is limited to described sliding tray 21 interior slips with the sliding tray 21 of cutting blade 2, when push rod 3 promotes the gathering sill 51 interior slip of spacing guide pillar 81 at guide plate 5, synthetic as can be known by motion vector, spacing guide pillar 81 will be in the sliding tray 21 interior slips of cutting blade 2, and order about cutting blade 2 and rotate around the axis of the guide pillar 43 that is flexibly connected with cutting blade 2 other ends, cutting blade 2 partly enters in the loophole 10, thereby realized the oblique cutting of light beam, as shown in Figure 8; When a pair of drive motors 6 drove pair of push rods 3 simultaneously with the identical direction of identical speed, as shown in Figure 9, cutting blade 2 can move into or shift out loophole 10 abreast, thereby can realize the parallel cutting of light beam.
Because described cutting blade 2 assemblies are used usually in pairs, and relatively be arranged on the both sides of loophole 10, so need move at least half of loophole 10 when cutting blade 2 is in maximum cut state, just may use a pair of cutting blade 2 to realize the fully cutting (being black out) of light beams.
Claims (10)
1. stage lamp beam-forming diced system comprises:
Support (1);
Some groups of cutting blades (2), every group of cutting blade are separately positioned in the Different Plane with the light beam quadrature and can be along mobile in the plane at its place;
Some to executing agency, every pair of executing agency's cutting blade (2) corresponding with a group connects; Wherein each executing agency comprises drive motors (6) and transmission mechanism, and described drive motors (6) is installed on the support (1);
It is characterized in that, described transmission mechanism comprises push rod (3), cam (4) and guide plate (5), its cam (4) is fixedly connected with the output shaft of drive motors (6), one end of push rod (3) and cutting blade (2) are flexibly connected, the other end and cam (4) are flexibly connected, guide plate (5) is installed on the support (1), and push rod (3) cooperates with cam (4) and guide plate (5) rotatablely moving of drive motors (6) output shaft is converted into the rectilinear motion of push rod (3).
2. stage lamp beam-forming diced system according to claim 1 is characterized in that, described cam (4) is provided with cam path (41), and described push rod (3) is inserted in the cam path (41) by driven member (7); Described push rod (3) is provided with push rod gathering sill (31); Be positioned at drive motors output shaft extended line on the cam (4) and be installed with guide pillar (43), described guide pillar (43) stretches in the push rod gathering sill (31) and with push rod gathering sill (31) and forms matched in clearance; Described guide plate (5) is provided with gathering sill (51), gathering sill (51) and push rod gathering sill (31) are on same straight line or be parallel to each other, be provided with coupling assembling (8) in the gathering sill (51), described coupling assembling (8) one ends be plugged in the corresponding gathering sill (51) other end and corresponding cutting blade (2) connection after corresponding push rod (3) connects.
3. stage lamp beam-forming diced system according to claim 2 is characterized in that, described guide pillar (43) is positioned on gathering sill (51) the center line extended line.
4. stage lamp beam-forming diced system according to claim 2 is characterized in that, also is connected with pad (44) in the top of described guide pillar (43), and the external diameter of described pad (44) is greater than the width of push rod gathering sill (31).
5. stage lamp beam-forming diced system according to claim 2, it is characterized in that, the both sides of described cutting blade (2) are respectively arranged with the first ear formula structure and the second ear formula structure, be provided with circular hole (22) on the first ear formula structure, be provided with sliding tray (21) on the second ear formula structure, described circular hole (22) and sliding tray (21) are flexibly connected by coupling assembling (8) with corresponding push rod (3) respectively.
6. stage lamp beam-forming diced system according to claim 2, it is characterized in that, described coupling assembling (8) comprises connecting pin (82) and spacing guide pillar (81), connecting pin (82) passes the installing hole (32) of push rod (3) and circular hole (22) or the sliding tray (21) on the corresponding cutting blade (2), and with the installing hole (32) of push rod, circular hole (22) or sliding tray (21) matched in clearance on the cutting blade (2); Spacing guide pillar (81) is connected to the terminal of connecting pin (82) and is inserted in the corresponding gathering sill (51).
7. stage lamp beam-forming diced system according to claim 1, it is characterized in that described cutting blade (2) arranges four groups altogether, described guide plate (5) is two, four groups of cutting blades (2) are installed between two guide plates (5), and the line of per two groups of cutting blades (2) is vertical.
8. stage lamp beam-forming diced system according to claim 1, it is characterized in that, described support (1) comprises fixed mount (11) and rotating disc (12), described fixed mount (11) is fixed on the inwall of lamp outer casing, rotating disc (12) connects with fixed mount (11) by rotary drive mechanism and can rotate by relative fixed mount (11), and guide plate (5), drive motors (6) are installed on the rotating disc (12).
9. stage lamp beam-forming diced system according to claim 8, it is characterized in that, described rotary drive mechanism comprises the tooth bar (13) that is installed on the fixed mount (11), be installed in the gear (14) on the rotating disc (12) and be installed in electric rotating machine (15) on the rotating disc (12), the motor shaft of electric rotating machine (15) is connected with the centre bore of gear (14), and gear (14) is connected with a joggle with tooth bar (13).
10. an application rights requires the stage lamp of the described arbitrary stage lamp beam-forming diced system of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394794 CN202733791U (en) | 2012-08-10 | 2012-08-10 | Stage lamp light beam forming cutting system and stage lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394794 CN202733791U (en) | 2012-08-10 | 2012-08-10 | Stage lamp light beam forming cutting system and stage lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733791U true CN202733791U (en) | 2013-02-13 |
Family
ID=47659486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220394794 Withdrawn - After Issue CN202733791U (en) | 2012-08-10 | 2012-08-10 | Stage lamp light beam forming cutting system and stage lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202733791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788319A (en) * | 2012-08-10 | 2012-11-21 | 广州彩熠灯光有限公司 | Light beam shaping and cutting system for stage luminaire and stage luminaire |
| CN103216789A (en) * | 2013-04-07 | 2013-07-24 | 广州市明道灯光科技有限公司 | Light beam cutting drive mechanism and light beam cutting system comprising same |
-
2012
- 2012-08-10 CN CN 201220394794 patent/CN202733791U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788319A (en) * | 2012-08-10 | 2012-11-21 | 广州彩熠灯光有限公司 | Light beam shaping and cutting system for stage luminaire and stage luminaire |
| CN103216789A (en) * | 2013-04-07 | 2013-07-24 | 广州市明道灯光科技有限公司 | Light beam cutting drive mechanism and light beam cutting system comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20131016 |
|
| RGAV | Abandon patent right to avoid regrant |