CN211232771U

CN211232771U - Stage lamp focusing structure

Info

Publication number: CN211232771U
Application number: CN201922408855.9U
Authority: CN
Inventors: 刘高华
Original assignee: Guangzhou Dasen Lighting Electronics Ltd
Current assignee: Guangzhou Dasen Lighting Electronics Ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-11
Anticipated expiration: 2029-12-28

Abstract

A focusing structure of a stage lamp comprises a focusing lens, a stepping motor, a belt transmission mechanism and a first mounting plate, wherein the first mounting plate is used for mounting the focusing lens, and the belt transmission mechanism comprises a belt; the stepping motor, the belt transmission mechanism and the positioning sliding assembly are positioned on the same side of the focusing lens; the stepping motor and the belt transmission mechanism are fixed on the second mounting plate; the belt transmission mechanism is fixed with 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

Stage lamp focusing structure

Technical Field

The utility model relates to a stage lamps and lanterns technical field especially relates to a stage lamp focusing structure.

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 stepping motor, 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 structure, 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.

Above-mentioned double guide rod location design of direction, though the problem of direction has been solved, but double guide rod if the depth of parallelism of itself, the straightness is not enough, it can become the source of jamming on the contrary, and the factor that influences double guide rod's depth of parallelism and straightness that hangs down includes the plane degree of the sheet metal component of fixed double guide rod, the accuracy of mounting hole, the focusing lens reciprocates the pulling of in-process gravity, the operation problem among the assembly manufacturing process, consequently, double guide rod's structure still has some problem that do not solve well, and if adopt the bi-motor, also can be higher a little relatively in the aspect of the cost.

Disclosure of Invention

The invention aims to: the utility model provides a stage lamp focusing structure, overcome focusing structure jamming, to the problem that part required precision is high.

In order to achieve the purpose, the invention adopts the following technical scheme:

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 belt drive is located next to the guide rail.

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 and the belt.

In a preferred embodiment, the guide rail is a linear guide rail.

In a preferred embodiment, the number of the stepping motors is 1.

In a preferred embodiment, the number of belt drive mechanisms is 1 group.

As a preferred embodiment, the belt transmission mechanism includes a belt gear, a transmission wheel support, a belt pressing plate, and a belt fixing plate, wherein the belt pressing plate and the belt fixing plate clamp the belt therebetween and fix the belt, and the belt fixing plate is further fixed to the first mounting plate.

Compared with the prior art, the technical scheme has the beneficial effects that:

1-the stepping motor, the belt 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; meanwhile, 1 stepping motor can be driven, and cost is saved.

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.

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 side view of the present invention.

The reference numbers illustrate: 1-focusing lens; 2-a first mounting plate; 21-clearance holes; 3-positioning the sliding component; 31-a guide rail; 32-a slide block; 33-fixing block; 4-a stepper motor; 41-motor fixing plate; 5-a belt transmission mechanism; 51-a belt gear; 52-a belt; 53-a transmission wheel; 54-drive wheel support; 55-belt press plate; 56-belt fixing plate; 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 structure comprises a focusing lens 1, a stepping motor 4, a belt transmission mechanism 5, a first mounting plate 2 for mounting the focusing lens 1, and a positioning sliding assembly 3, wherein the belt transmission mechanism 5 comprises a belt 52; the stepping motor 4, the belt transmission mechanism 5 and the positioning sliding component 3 are positioned at the same side of the focusing lens 1; the stepping motor 4 and the belt transmission mechanism 5 are both fixed on the second mounting plate 6; the belt transmission structure 5 is fixed with the first mounting plate 2; the positioning slide assembly 3 comprises a guide rail 31 and a positioning slide part movably mounted on the guide rail 31, the positioning slide part is fixed on the first mounting plate 2, and the guide rail 31 is fixed on the second mounting plate 6.

The embodiment has the advantages that the belt transmission mechanism 4 and the positioning sliding part which are fixed on the same side of the first mounting plate 2 directly bear the gravity of the focusing lens 1, 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 bear the gravity of the focusing lens 1 in the conventional double-guide-bar mode 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.

In particular, the belt drive 5 is located beside the guide rail. The beneficial effect of this embodiment is that it is more beneficial for the belt transmission mechanism 5 and the positioning sliding assembly 3 to support the gravity of the focusing lens 1 together.

In addition, the first mounting plate 2 is provided with a notch for avoiding the guide rail 31 and the belt 52. 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 number of the stepping motors 4 is 1, the stepping motors 4 are fixed on the motor fixing plate 41, and then the motor fixing plate 41 is installed on the opposite side of the second installation plate 6. The beneficial effect of this embodiment lies in, more saving cost, the structure is also simpler under the prerequisite that satisfies driving power.

Specifically, the number of the belt transmission mechanisms 5 is 1 group. The beneficial effect of this embodiment lies in, more saving cost, the structure is also simpler under the prerequisite that satisfies driving power.

Specifically, the belt transmission mechanism 5 includes a belt gear 51, a transmission wheel 53, a transmission wheel support 54, a belt 52, a belt pressing plate 55 and a belt fixing plate 56, the belt pressing plate 55 and the belt fixing plate 56 clamp the belt 52 therebetween for fixing, and the belt fixing plate 56 is also fixed to the first mounting plate 2. The beneficial effect of this embodiment lies in, with first mounting panel 2 and belt transmission structure 5 fixed together, can drive first mounting panel 2 through belt 52 to drive focusing lens 1.

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

1. A focusing structure of a stage lamp comprises a focusing lens, a stepping motor, a belt transmission mechanism and a first mounting plate for mounting the focusing lens, wherein the belt transmission mechanism comprises a belt and is characterized by further comprising a positioning sliding assembly, and the stepping motor, the belt transmission mechanism and the positioning sliding assembly are positioned on the same side of the focusing lens; the stepping motor and the belt transmission mechanism are fixed on the second mounting plate; the belt transmission structure is fixed with 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 focusing arrangement according to claim 1, wherein the positioning slides are mounted intermediate one side of the first mounting plate.

3. The stage light focusing structure of claim 2, wherein the belt drive is located beside the guide rail.

4. The stage lamp focusing structure of claim 2, wherein the positioning slide portion 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 in the middle of one side of the first mounting plate, and the slide block can slide freely on the guide rail.

5. The stage light focusing structure of claim 4, wherein the first mounting plate further comprises a notch for avoiding the guide rail and the belt.

6. The stage light focusing structure of claim 4, wherein the guide rails are linear guide rails.

7. The stage lamp focusing structure of claim 1, wherein the number of stepper motors is 1.

8. The stage lighting focusing structure of claim 7, wherein the number of belt drive mechanisms is 1 group.

9. The stage lamp focusing structure of claim 8, wherein the belt transmission mechanism comprises a belt gear, a transmission wheel support, a belt pressing plate, and a belt fixing plate, the belt pressing plate and the belt fixing plate clamp the belt therebetween and fix the belt, and the belt fixing plate is further fixed to the first mounting plate.