CN211526350U

CN211526350U - Stage lamp focusing mechanism

Info

Publication number: CN211526350U
Application number: CN201922008990.4U
Authority: CN
Inventors: 张向农; 刘义洲
Original assignee: GUANGZHOU FLY DRAGON LIGHTING EQUIPMENT CO Ltd
Current assignee: GUANGZHOU FLY DRAGON LIGHTING EQUIPMENT CO Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-18
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a stage lamp focusing mechanism, including lens subassembly, light source subassembly, lifter and actuating mechanism, the lens subassembly is located the top of light source subassembly, the light beam warp that the light source subassembly sent the lens subassembly jets out, the one end of lifter with the connection can be dismantled to the lens subassembly, the other end of lifter with the actuating mechanism drive is connected, actuating mechanism is used for driving the lifter along adjusting the direction motion in order to drive the lens subassembly is towards the direction motion of keeping away from or being close to the light source subassembly. The stage lamp focusing mechanism has the characteristics of simple structure and small occupied space.

Description

Stage lamp focusing mechanism

Technical Field

The utility model relates to a stage lamp technical field especially relates to a stage lamp focusing mechanism.

Background

At present, a plurality of stage lamps are generally seen in daily life, and lamplight irradiated by the stage lamps can render atmosphere; by controlling the color, pattern, size, brightness, etc. of the light, various kinds of rich light can be irradiated. When controlling light, it is an important process to control the distance between the lens and the light emitter. The amplification degree of the pattern and the definition of the pattern can be controlled by effectively controlling the distance between the lens and the luminous body. The focus of a common stage lamp is adjusted by a focus adjusting device.

However, the conventional focusing apparatus has the following drawbacks: basically adopts a mode of integrating a focusing motor, a screw rod and an optical lens, and relates to the technical field of large number of motors and large occupied space; the structure is complicated, and the installation efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a stage lamp focusing mechanism with simple structure and small occupied space.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a stage lamp focusing mechanism, includes lens subassembly, light source subassembly, lifter and actuating mechanism, the lens subassembly is located the top of light source subassembly, the light beam warp that the light source subassembly sent the lens subassembly jets out, the one end of lifter with the connection can be dismantled to the lens subassembly, the other end of lifter with the actuating mechanism drive is connected, actuating mechanism is used for driving the lifter along adjusting the direction motion in order to drive the lens subassembly is towards the direction motion of keeping away from or being close to the light source subassembly.

Further, the stage lamp focusing mechanism further comprises a guide rod and a first connecting block, the first connecting block is slidably sleeved on the guide rod, the other end of the lifting rod is connected with the first connecting block, and the guide rod is used for guiding the lifting rod to move along the adjusting direction.

Furthermore, actuating mechanism includes motor, belt, driving gear, first driven gear and second driven gear, the driving gear cover is established on the output shaft of motor, driving gear, first driven gear and second driven gear are triangle-shaped and arrange the setting and connect through the belt transmission, just first driven gear and second driven gear are in same axis, the lifter pass through first link with belt synchronous connection.

Further, the stage lamp focusing mechanism further comprises a second connecting block, and the belt is connected with the first connecting block through the second connecting block.

Further, the stage lamp focusing mechanism further comprises a support used for fixing the motor and the guide rod, and a first driven rotating shaft and a second driven rotating shaft which are arranged on the support, wherein the first driven gear and the second driven gear are respectively sleeved on the first driven rotating shaft and the second driven rotating shaft.

Furthermore, the first driven gear is sleeved on the first driven rotating shaft through a first bearing, and the second driven gear is sleeved on the second driven rotating shaft through a second bearing.

Further, stage lamp focusing mechanism still includes the third connecting block, the third connecting block include with the connecting portion of connection and the guide part of being connected with the lifter can be dismantled to the lens subassembly, the guide part is equipped with the guiding hole, the one end of lifter is inserted in the guiding hole and through fastener locking.

Compared with the prior art, the beneficial effects of the utility model reside in that:

when the distance between the lens component and the light source component is required to be adjusted, the lifting rod is driven to move through the driving mechanism; when the driving mechanism drives the lifting rod to move upwards, the lens assembly moves towards the direction far away from the light source assembly, so that the distance between the lens assembly and the light source assembly is increased; when the driving mechanism drives the lifting rod to move downwards, the lens component moves towards the direction close to the light source component, so that the distance between the lens component and the light source component is shortened. The stage lamp focusing mechanism realizes the focusing function through the driving mechanism and the lifting rod and has the characteristics of simple structure, convenience in installation and small occupied space.

Drawings

FIG. 1 is a sectional view of a stage focusing mechanism provided by the present invention;

fig. 2 is the utility model provides a pair of stage lamp focusing mechanism's inside schematic diagram.

In the figure: 1. a lens assembly; 2. a light source assembly; 3. a lifting rod; 4. a guide bar; 5. a first connection block; 6. an output shaft; 7. a driving gear; 8. a first driven gear; 9. a second driven gear; 10. a belt; 11. a second connecting block; 12. a support; 13. a first driven shaft; 14. a second driven shaft; 15. a first bearing; 16. a second bearing; 17. a guide portion; 18. a fastener.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in fig. 1 and 2, for the utility model provides a pair of stage lamp focusing mechanism, including lens subassembly 1, light source subassembly 2, lifter 3 and actuating mechanism, lens subassembly 1 is located the top of light source subassembly 2, the light beam warp that light source subassembly 2 sent lens subassembly 1 jets out, the one end of lifter 3 with lens subassembly 1 can be dismantled the connection, the other end of lifter 3 with the actuating mechanism drive is connected, actuating mechanism is used for driving lifter 3 along adjusting the direction motion in order to drive lens subassembly 1 is towards keeping away from or being close to the direction motion of light source subassembly 2.

In the present embodiment, the movement of the lifter 3 in the adjustment direction means the movement of the lifter 3 in the direction indicated by the arrow Y in fig. 1. When the distance between the lens component 1 and the light source component 2 needs to be adjusted, the lifting rod 3 is driven to move through the driving mechanism; if the driving mechanism drives the lifting rod 3 to move upwards, the lens component 1 moves towards the direction far away from the light source component 2, so that the distance between the lens component 1 and the light source component 2 is increased; when the driving mechanism drives the lifting rod 3 to move downwards, the lens component 1 moves towards the direction close to the light source component 2, so that the distance between the lens component 1 and the light source component 2 is shortened. The stage lamp focusing mechanism realizes the focusing function through the driving mechanism and the lifting rod 3, and has the characteristics of simple structure, convenience in installation and small occupied space.

Preferably, the stage lamp focusing mechanism further comprises a guide rod 4 and a first connecting block 5, the first connecting block 5 is slidably sleeved on the guide rod 4, the other end of the lifting rod 3 is connected with the first connecting block 5, and the guide rod 4 is used for guiding the lifting rod 3 to move along the adjusting direction. Through setting up guide bar 4, can guide lifter 3 accurate along adjusting the direction motion, be favorable to improving focusing effect.

Preferably, the driving mechanism comprises a motor, a belt 10, a driving gear 7, a first driven gear 8 and a second driven gear 9, the driving gear 7 is sleeved on the output shaft 6 of the motor, the driving gear 7, the first driven gear 8 and the second driven gear 9 are arranged in a triangular shape and are in transmission connection through the belt 10, the first driven gear 8 and the second driven gear 9 are located on the same axis, and the lifting rod 3 is synchronously connected with the belt 10 through the first connecting block 5. In this embodiment, the motor drives driving gear 7 and rotates, and driving gear 7 passes through belt 10 and drives first driven gear 8 and second driven gear 9 and rotate, because lifter 3 is through first connecting block 5 and belt 10 synchronous connection, consequently, belt 10's rotation drives the motion of lifter 3, drives the motion of lens subassembly 1 then. The driving mechanism of the embodiment can realize the focusing function by only using one motor, and occupies small space; in addition, the driving gear 7, the first driven gear 8 and the second driven gear 9 are arranged in a triangular mode, the whole structure is compact, and occupied space is further reduced.

Specifically, the stage lamp focusing mechanism further comprises a second connecting block 11, and the belt 10 is connected with the first connecting block 5 through the second connecting block 11. The belt 10 is conveniently connected with the first connecting block 5 by arranging the second connecting block 11; in this embodiment, the second connecting block 11 is fixed to the first connecting block 5 by bolts, so that the second connecting block 11 is easily detached.

Specifically, the stage lamp focusing mechanism further comprises a support 12 used for fixing the motor and the guide rod 4, a first driven rotating shaft 13 and a second driven rotating shaft 14 which are arranged on the support 12, and the first driven gear 8 and the second driven gear 9 are respectively sleeved on the first driven rotating shaft 13 and the second driven rotating shaft 14.

More specifically, the first driven gear 8 is sleeved on the first driven rotating shaft 13 through a first bearing 15, and the second driven gear 9 is sleeved on the second driven rotating shaft 14 through a second bearing 16. So can improve first driven gear 8 and second driven gear 9 pivoted smoothness nature, be favorable to improving the stability and the smoothness nature of lifter 3 along adjusting the direction motion.

Preferably, the stage lamp focusing mechanism still includes the third connecting block, the third connecting block include with lens subassembly 1 can dismantle the connecting portion of connection and the guide part 17 of being connected with lifter 3, guide part 17 is equipped with the guiding hole, the one end of lifter 3 is inserted in the guiding hole and through fastener 18 locking. The connecting part is arranged, so that the lifting rod 3 is conveniently connected with the lens assembly 1; by providing the guide portion 17 and fastening it, it is convenient to quickly mount and dismount the lifting rod 3. The fastener 18 of this embodiment may be a bolt, a pin, or the like.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a stage lamp focusing mechanism, its characterized in that, includes lens subassembly, light source subassembly, lifter and actuating mechanism, the lens subassembly is located the top of light source subassembly, the light beam warp that the light source subassembly sent the lens subassembly jets out, the one end of lifter with the connection can be dismantled to the lens subassembly, the other end of lifter with the actuating mechanism drive is connected, actuating mechanism is used for driving the lifter along adjusting the direction motion in order to drive the lens subassembly is towards the direction motion of keeping away from or being close to the light source subassembly.

2. The stage lighting focusing mechanism of claim 1, further comprising a guide bar and a first link block, the first link block slidably received on the guide bar, the other end of the lift bar being connected to the first link block, the guide bar guiding the lift bar to move in the adjustment direction.

3. The stage lamp focusing mechanism of claim 2, wherein the driving mechanism comprises a motor, a belt, a driving gear, a first driven gear and a second driven gear, the driving gear is sleeved on an output shaft of the motor, the driving gear, the first driven gear and the second driven gear are arranged in a triangular arrangement and are connected through belt transmission, the first driven gear and the second driven gear are located on the same axis, and the lifting rod is synchronously connected with the belt through the first connecting block.

4. The stage lighting focusing mechanism of claim 3, further comprising a second connecting block, wherein the belt is connected to the first connecting block via the second connecting block.

5. The stage lighting focusing mechanism of claim 3, further comprising a bracket for securing the motor and the guide bar, a first driven shaft and a second driven shaft disposed on the bracket, wherein the first driven gear and the second driven gear are respectively sleeved on the first driven shaft and the second driven shaft.

6. The stage lamp focusing mechanism of claim 5, wherein the first driven gear is journaled on the first driven shaft via a first bearing, and the second driven gear is journaled on the second driven shaft via a second bearing.

7. The stage lamp focusing mechanism of claim 1, further comprising a third connecting block, the third connecting block comprising a connecting portion detachably connected to the lens assembly and a guiding portion connected to the lifting rod, the guiding portion having a guiding hole, wherein an end of the lifting rod is inserted into the guiding hole and locked by a fastener.