CN211232788U - Stage lamp focusing device - Google Patents
Stage lamp focusing device Download PDFInfo
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- CN211232788U CN211232788U CN201922410945.1U CN201922410945U CN211232788U CN 211232788 U CN211232788 U CN 211232788U CN 201922410945 U CN201922410945 U CN 201922410945U CN 211232788 U CN211232788 U CN 211232788U
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Abstract
A stage lamp focusing device comprises a focusing lens, a power mechanism, a transmission mechanism, a first mounting plate for fixing the focusing lens, a second mounting plate for fixing the power mechanism, and a positioning sliding assembly, wherein the power mechanism, the transmission mechanism and the positioning sliding assembly are positioned on the same side of the focusing lens; the transmission mechanism is fixed on the first mounting plate; the positioning sliding assembly comprises a guide rail and a positioning sliding part movably mounted on the guide rail, the positioning sliding part is fixed on the first mounting plate, and the guide rail is fixed on the second mounting plate.
Description
Technical Field
The utility model relates to a stage lamps and lanterns technical field especially relates to a stage lamp focusing device.
Background
Stage lighting fixture need generally reciprocate the focusing lens, and the focusing lens removes the in-process, and it is smooth and easy to guarantee to remove, and the removal is steady again, guarantees the imaging.
The main problem in the focusing process is the operation card, and the existing solution generally adopts the combination of double guide rods, a motor and a belt, wherein the two focusing guide rods are used as positioning guide mechanisms and are respectively positioned at two sides of a focusing lens, then the motor is used as a power mechanism, and the belt is used as a transmission mechanism. Such as patent document CN 206593014U-stage light focusing device with switchable lighting effect, patent document CN 201885159U-stage light focusing transmission device, patent document CN 102242907B-focusing zoom system for stage light, patent document CN 208886679U-focusing module device, patent document CN 201885159U-stage light focusing transmission device, patent document CN 209245959U-focusing amplifier device for stage light, patent document CN 208186050U-stage light focusing device, patent document CN 208457871U-focusing system for stage light, patent document CN 208457871U-focusing system for stage light, patent document CN 207364986U-light spot focusing and multi-stage homogenizing device for stage light, patent document CN 208886679U-focusing module device, the above patent documents all adopt a combined structure design of double guide rods, a motor and a belt.
In the prior art, a focusing structure adopts a combination of a double guide rod and a motor, but the stroke of a focusing lens in the design is generally very short, such as a focusing device of a stage lamp in patent document with publication number CN206247261U and a focusing structure of a stage lamp in patent document with publication number CN 205383550U.
Above-mentioned two kinds of prior art schemes, all adopted the design of two guide arms location direction, but in practical problem, the focusing problem still is the main problem after sale, because the problem of direction has been solved to two guide arms, but if the depth of parallelism of two guide arms itself, the straightness that hangs down is not enough, it can become the source of jamming on the contrary, and the factor that influences the depth of parallelism and the straightness that hangs down of two guide arms includes the plane degree of the sheet metal component of fixed two guide arms, the accuracy of mounting hole, the dragging of focusing lens reciprocating in-process gravity, the operation problem in the assembly manufacturing process, therefore the structure of two guide arms still has some problem of not solving well, and if adopt the bi-motor, also can be higher relatively in the aspect of the cost.
Disclosure of Invention
The invention aims to: the stage lamp focusing device overcomes the problems of clamping stagnation of a focusing structure and high precision requirement on parts.
In order to achieve the purpose, the invention adopts the following technical scheme:
a stage lamp focusing device comprises a focusing lens, a power mechanism, a transmission mechanism, a first mounting plate for fixing the focusing lens and a second mounting plate for fixing the power mechanism; the power mechanism, the transmission mechanism and the positioning sliding assembly are positioned on the same side of the focusing lens; the transmission mechanism is fixed on the first mounting plate; the positioning sliding assembly comprises a guide rail and a positioning sliding part movably mounted on the guide rail, the positioning sliding part is fixed on the first mounting plate, and the guide rail is fixed on the second mounting plate.
As a preferred embodiment, the positioning slide portion is mounted in the middle of one side of the first mounting plate.
In a preferred embodiment, the transmission mechanism is mounted on an edge of one side of the first mounting plate.
As a preferred embodiment, the positioning sliding portion includes a fixed block and a slider, the fixed block is fixed to the slider on one side, and is mounted on the first mounting plate on the other side, and the slider is freely slidable on the guide rail.
In a preferred embodiment, the first mounting plate is further provided with a notch for avoiding the guide rail.
In a preferred embodiment, the guide rail is a linear guide rail.
In a preferred embodiment, the power mechanism is a screw stepping motor.
As a preferred embodiment, the transmission mechanism is a screw motor slider, and a thread matched with a motor shaft of the screw stepping motor is arranged in the screw motor slider.
In a preferred embodiment, the first mounting plate is further provided with a clearance hole for avoiding a motor shaft of the screw motor.
In a preferred embodiment, the screw stepping motor is mounted on the second mounting plate through a motor fixing plate.
Compared with the prior art, the technical scheme has the beneficial effects that:
1, the power mechanism, the transmission mechanism and the positioning sliding assembly are positioned on the same side of the focusing lens and share the gravity of the focusing lens, so that the stretching deformation of the first mounting plate is far smaller than the stress of two ends of the double-guide-rod + motor + belt combined design;
2-the design of the sliding block and the linear guide rail greatly avoids the installation error caused by sheet metal machining error or man-made work, thereby greatly avoiding the problem of the verticality and the parallelism deformation of the two guide rods in the combined design of double guide rods, a motor and a belt. (ii) a
3-the adoption of the screw rod stepping motor and the screw rod motor slide block ensures that the single motor can complete the driving without adopting the design of double motors and double belts, thereby saving the cost, and meanwhile, the stroke is far greater than the combination of double guide rods and the motors.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a front view of the present invention.
The reference numbers illustrate: 1-focusing lens; 2-a first mounting plate; 21-clearance hole I; 22-clearance hole II; 3-positioning the sliding component; 31-a guide rail; 32-a slide block; 33-fixing block; 4-a power mechanism; 41-motor fixing plate; 5-a transmission mechanism; 6-second mounting plate.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-3, a stage lamp focusing device comprises a focusing lens 1, a power mechanism 4, a transmission mechanism 5, a first mounting plate 2 for fixing the focusing lens 1, and a second mounting plate 6 for fixing the power mechanism 4; the focusing lens is characterized by further comprising a positioning sliding assembly 3, wherein the power mechanism 4, the transmission mechanism 5 and the positioning sliding assembly 3 are positioned on the same side of the focusing lens 1; the transmission mechanism 5 is fixed on the first mounting plate 2; the positioning sliding assembly 3 comprises a guide rail 31 and a positioning sliding part movably mounted on the guide rail 31, the positioning sliding part is fixed on the first mounting plate 2, and the guide rail is fixed on the second mounting plate 6.
The embodiment has the advantages that the gravity of the focusing lens 1 is directly borne by the transmission mechanism 4 and the positioning sliding part which are fixed on the same side of the first mounting plate 2, and the sliding mode is changed into the sliding mode of the guide rail 31, so that the condition that the first mounting plate 2 is deformed due to the fact that two fulcrums on two sides of the conventional double-guide-rod mode bear the gravity of the focusing lens 1 is avoided; meanwhile, the guide rail 31 is adopted, so that clamping stagnation caused by the problems of perpendicularity and parallelism of the double guide rods in the operation process of the focusing lens 1 is avoided.
As a preferred embodiment, the positioning slide part is mounted in the middle of one side of the first mounting plate (2);
specifically, the positioning sliding part comprises a fixed block 33 and a sliding block 32, one side of the fixed block 33 is fixed with the sliding block 32, the other side of the fixed block 33 is installed in the middle of one side of the first installation plate 2, and the sliding block 32 can freely slide on the guide rail 31. The beneficial effect of this embodiment is that the positioning sliding part is installed in the middle of a mounting plate 2, which is more beneficial to supporting the gravity of the focusing lens 1 and keeping the focusing lens 1 stable in the sliding process of the guide rail 31, and reducing the shaking.
Specifically, the transmission mechanism 5 is installed at an edge of one side of the first installation plate 2. The beneficial effect of this embodiment is that the transmission mechanism 5 and the fixed block 33 are close to each other, which is more beneficial to jointly supporting the gravity of the focus lens 1.
In addition, the first mounting plate 2 is further provided with a second clearance hole 22 for avoiding the guide rail 31. This embodiment has an advantageous effect in that the length of the guide rail 31 can be longer, and thus the stroke of the focus lens 1 can be longer.
In addition, the guide rail 31 is a linear guide rail, and the embodiment has the beneficial effects that the linear guide rail is an existing standard component, so that the universality is higher.
In a preferred embodiment, the power mechanism 4 is a screw stepping motor. The beneficial effect of this embodiment is that, by using the screw stepping motor, the torque of the motor can be maximized, so that the power mechanism 4 only uses 1 motor, and does not need to use 2 motors.
Specifically, the transmission mechanism 5 is a screw motor slider, and a thread matched with a motor shaft of the screw stepping motor is arranged in the screw motor slider. The beneficial effect of this embodiment is that the transmission mechanism 5 can be directly fixed on the first mounting plate 2, and can play both a transmission role and a supporting role for the focusing lens 1.
Specifically, the first mounting plate 2 is further provided with a clearance hole I21 for avoiding a motor shaft of the screw motor. The beneficial effect of this embodiment is the avoidance of second void 22.
Specifically, the screw stepping motor is mounted on the second mounting plate 6 through a motor fixing plate 41. The beneficial effect of this embodiment lies in that screw rod step motor and guide rail 31 are all fixed on second mounting panel 6, and the position is close to, more are favorable to supporting focusing lens 1's gravity jointly.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are based on the orientations and positional relationships shown in the drawings and are used for convenience in description and simplicity in operation, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A stage lamp focusing device comprises a focusing lens, a power mechanism, a transmission mechanism, a first mounting plate for fixing the focusing lens, a second mounting plate for fixing the power mechanism, and a positioning sliding assembly, wherein the power mechanism, the transmission mechanism and the positioning sliding assembly are positioned on the same side of the focusing lens; the transmission mechanism is fixed on the first mounting plate; the positioning sliding assembly comprises a guide rail and a positioning sliding part movably mounted on the guide rail, the positioning sliding part is fixed on the first mounting plate, and the guide rail is fixed on the second mounting plate.
2. A stage light focusing apparatus according to claim 1 wherein the locating slides are mounted intermediate one side of the first mounting plate.
3. A stage light focusing apparatus according to claim 2 wherein the actuator is mounted to an edge of one side of the first mounting plate.
4. The stage lighting focusing apparatus of claim 2 wherein the positioning slide comprises a fixed block and a slide block, one side of the fixed block is fixed to the slide block, the other side of the fixed block is mounted to the middle of one side of the first mounting plate, and the slide block is free to slide on the rail.
5. The stage lighting focusing apparatus of claim 4, wherein the first mounting plate further comprises a notch for avoiding the guide rail.
6. The stage light focusing apparatus of claim 4, wherein the guide is a linear guide.
7. The stage lamp focusing apparatus of claim 1, wherein the power mechanism is a screw stepper motor.
8. The stage lamp focusing apparatus of claim 7, wherein the transmission mechanism is a screw motor slide having threads that mate with a motor shaft of the screw stepper motor.
9. The stage lamp focusing apparatus of claim 7, wherein the first mounting plate further comprises clearance holes for avoiding a motor shaft of the screw motor.
10. The stage light focusing apparatus of claim 7, wherein the screw stepper motor is mounted to the second mounting plate by a motor mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410945.1U CN211232788U (en) | 2019-12-28 | 2019-12-28 | Stage lamp focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410945.1U CN211232788U (en) | 2019-12-28 | 2019-12-28 | Stage lamp focusing device |
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| CN211232788U true CN211232788U (en) | 2020-08-11 |
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| CN201922410945.1U Active CN211232788U (en) | 2019-12-28 | 2019-12-28 | Stage lamp focusing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208620A (en) * | 2020-03-19 | 2020-05-29 | 北华航天工业学院 | Zoom lens for visual inspection |
| CN113048451A (en) * | 2019-12-28 | 2021-06-29 | 广州达森灯光股份有限公司 | Stage lamp focusing device |
-
2019
- 2019-12-28 CN CN201922410945.1U patent/CN211232788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048451A (en) * | 2019-12-28 | 2021-06-29 | 广州达森灯光股份有限公司 | Stage lamp focusing device |
| CN111208620A (en) * | 2020-03-19 | 2020-05-29 | 北华航天工业学院 | Zoom lens for visual inspection |
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