CN210069574U - Stage lamp focusing device - Google Patents
Stage lamp focusing device Download PDFInfo
- Publication number
- CN210069574U CN210069574U CN201920604507.6U CN201920604507U CN210069574U CN 210069574 U CN210069574 U CN 210069574U CN 201920604507 U CN201920604507 U CN 201920604507U CN 210069574 U CN210069574 U CN 210069574U
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- guide
- guide sleeve
- base
- fixing plate
- lens fixing
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Abstract
The utility model discloses a focusing device of a stage lamp, which comprises a driving mechanism, a lens fixing plate and a base; the lens fixing plate is arranged above the base and can move along the height direction of the base under the driving of the driving mechanism; the stage lamp focusing device also comprises a guide mechanism, wherein the guide mechanism is used for guiding the lens fixing plate to move along the height direction of the machine body; the guide mechanism comprises a guide rod, a guide sleeve and a guide sleeve mounting assembly, and the guide rod is slidably penetrated in the guide sleeve; the guide sleeve mounting assembly comprises a connecting piece and a flexible piece; the outer surface of the guide sleeve is provided with a mounting part; the mounting part is provided with a through hole for the connection of the connecting piece; the flexible piece is used for clamping between the hole wall of the through hole and the outer surface of the connecting piece. An object of the utility model is to provide a stage lamp focusing device, the up-and-down motion of the sliding fit guide lens fixed plate between its accessible guide bar and the uide bushing realizes the focusing, and the solid-state friction in the reducible guide bar motion process.
Description
Technical Field
The utility model relates to a stage lamp technical field especially relates to a stage lamp adjusting device.
Background
At present, in the stage lamp field, the distance between the LED light source and the lens is usually required to be changed, so as to realize the adjustment of the focal length, so as to realize the size of the expected light spot, a driving mechanism is generally arranged between the LED light source mounting base and the lens fixing plate, so as to drive the lens fixing plate to move in the height direction, and realize the up-and-down movement of the lens fixing plate, so that the lens on the lens fixing plate can move relative to the LED light source on the base, and the focusing is realized. However, the conventional focusing device lacks a guide mechanism during focusing, so that the vertical movement of the focusing device is not stable enough. And the unstable up-and-down motion process can cause the lens fixing plate to deflect in the motion process, so as to generate solid friction and cause the abrasion of parts.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a focusing device for stage lamp, the up-and-down motion of the sliding fit guide lens fixing plate between its accessible guide bar and the guide sleeve realizes focusing, and the solid-state friction in the reducible guide bar motion process.
The purpose of the utility model is realized by adopting the following technical scheme:
a stage lamp focusing device comprises a driving mechanism, a lens fixing plate for mounting a lens and a base for mounting a light source; the lens fixing plate is arranged above the base and can move along the height direction of the base under the driving of the driving mechanism; the stage lamp focusing device also comprises a guide mechanism, wherein the guide mechanism is used for guiding the lens fixing plate to move along the height direction of the machine body; the guide mechanism comprises a guide rod, a guide sleeve and a guide sleeve mounting assembly, and the guide rod is slidably penetrated in the guide sleeve; the guide sleeve mounting assembly comprises a connecting piece and a flexible piece; the outer surface of the guide sleeve is provided with a mounting part; the mounting part is provided with a through hole for the connection of the connecting piece; the flexible piece is used for clamping between the hole wall of the through hole and the outer surface of the connecting piece.
Preferably, the guide sleeve is fixedly connected to the base through the guide sleeve mounting assembly; the top end of the guide rod is fixedly connected to the lens fixing plate; the bottom end of the guide rod is slidably penetrated in the guide sleeve.
Preferably, a bolt is screwed in the through hole; the tail part of the bolt is screwed in the base so that the guide sleeve is fixedly connected on the base; a flexible gasket is sleeved outside the bolt; the flexible gasket is used for clamping between the hole wall of the through hole and the outer surface of the bolt when the tail part of the bolt is screwed in the base; the bolt is formed as a connection and the flexible washer is formed as a flexible member.
Preferably, the flexible gasket is a rubber gasket.
Preferably, the guide mechanism is provided in plurality, and a plurality of guide mechanisms are circumferentially distributed at intervals around the central axis of the base.
Preferably, the driving mechanism comprises a motor, a screw rod and a nut, and a machine body of the motor is fixedly connected to the base; the screw rod extends along the height direction of the base and is synchronously connected with a rotating shaft of the motor; the nut threads are sleeved on the outer surface of the screw rod and fixed with the lens fixing plate.
Compared with the prior art, the beneficial effects of the utility model reside in that: the lens fixing plate can move up and down under the guidance of sliding fit between the guide rod and the guide sleeve to realize focusing, the guide sleeve is installed through the guide sleeve installation assembly, when the lens fixing plate is installed, a flexible piece is clamped between the wall of the through hole in the installation part on the guide sleeve and the connecting piece, the flexible piece can allow the guide sleeve to have a certain swinging trend, and the running track of the guide rod is not absolutely parallel to the guide hole of the guide sleeve, so that the guide rod can rub the guide hole in the guide sleeve when sliding in the guide sleeve, and the guide sleeve can be allowed to swing for a certain distance to enable the guide sleeve to keep the guide rod and the guide rod on the same straight line relatively due to the certain swinging trend of the guide sleeve, so that solid friction in the movement process of the guide rod is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the guiding mechanism of the present invention.
In the figure: 10. a lens fixing plate; 20. a base; 30. a drive mechanism; 40. a guide mechanism; 41. a guide bar; 42. a guide sleeve; 421. an installation part; 422. perforating the hole; 431. a connecting member; 432. a flexible member.
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.
As shown in fig. 1 and 2, the stage focusing device includes a driving mechanism 30, a lens fixing plate 10 and a base 20, wherein the lens fixing plate 10 can be used for mounting a lens, and the base 20 can be used for fixing a light source. The lens fixing plate 10 is mounted above the base 20, and driven by the driving mechanism 30, the transparent fixing plate can move along the height direction of the base 20, i.e. can move up and down relative to the base 20.
The stage lighting focusing device further comprises a guide mechanism 40, wherein the guide mechanism 40 is used for guiding the lens fixing plate 10 to move along the height direction of the machine body. The guide mechanism 40 includes a guide rod 41, a guide sleeve 42 and a guide sleeve mounting assembly, and the guide rod 41 is slidably inserted into the guide sleeve 42. In addition, the guide sleeve mounting assembly includes a connecting member 431 and a flexible member 432; the outer surface of the guide sleeve 42 is provided with a mounting part 421; the mounting portion 421 is provided with a through hole 422 for the connection of the connection member 431; the flexible member 432 is adapted to be clamped between the wall of the bore 422 and the outer surface of the connecting member 431.
On the basis of the structure, use the utility model discloses a during stage lamp focusing device, can install lens at lens fixed plate 10, and install the LED lamp as the light source on base 20, afterwards, start actuating mechanism 30, lens fixed plate 10 can be up-and-down motion under guiding mechanism 40's guide under actuating mechanism 30's drive, realizes the focusing.
It should be noted that the guide sleeve 42 can be mounted on the base 20 through a guide sleeve mounting assembly, and the corresponding guide rod 41 is mounted on the lens fixing plate 10. Of course, the guide bush 42 may be mounted on the lens fixing plate 10 by a guide bush mounting assembly, and the corresponding guide rod 41 may be mounted on the base 20, regardless of the above-described mounting method. When the guide sleeve 42 is installed, the flexible part 432 is clamped between the hole wall of the through hole 422 in the installation part 421 on the guide sleeve 42 and the connecting part 431, the flexible part 432 can allow the guide sleeve 42 to have a certain swinging trend, the running track of the guide rod 41 and the guide hole of the guide sleeve 42 may not be absolutely parallel, so when the guide rod 41 slides in the guide sleeve 42, friction may occur with the guide hole in the guide sleeve 42, and the guide sleeve 42 has a certain swinging trend, so that the guide sleeve 42 can be allowed to swing for a certain distance to keep the same straight line with the guide rod 41, and solid friction during the movement of the guide rod 41 is reduced.
In this embodiment, the guide sleeve 42 is fixed to the base 20 through the guide sleeve mounting assembly, and the top end of the guide rod 41 is fixed to the lens fixing plate 10; the bottom end of the guide rod 41 is slidably inserted into the guide sleeve 42. When the guide sleeve 42 is installed, the installation part 421 of the guide sleeve 42 is attached to the end face of the base 20, then the connecting piece 431 is connected in the through hole 422 in a penetrating way, the connecting piece 431 can be fixed on the base 20 through the through hole 422, the guide sleeve 42 is installed, and the flexible piece 432 can be clamped between the hole wall of the through hole 422 and the outer surface of the connecting piece 431.
Further, a bolt is screwed in the through hole 422, so that the tail of the bolt is screwed in the base 20 to fixedly connect the guide sleeve 42 to the base 20, a flexible gasket is sleeved outside the bolt, when the guide sleeve 42 is installed, the flexible gasket is sleeved at the tail of the bolt and is clamped between the through hole 422 and the tail of the bolt in a pressing manner during the rotation of the bolt along with the penetration of the bolt into the through hole 422, and the flexible piece 432 is installed and fixed on the guide sleeve 42. In this structure, the bolt is formed as the connection member 431, and the flexible washer is formed as the flexible member 432.
In this embodiment, the flexible gasket is optionally a rubber gasket. In other cases, of course, the connecting member 431 may be a rivet or a bolt, and the flexible connecting member 431 may be a rubber block or other material capable of deforming under stress and self-restoring,
preferably, the guide mechanism 40 is provided in plural, and the plural guide mechanisms 40 are circumferentially spaced around the central axis of the base 20, so that the guide structure is more stable, and the vertical movement of the lens holder plate 10 is more stable.
Of course, in the present embodiment, the driving mechanism 30 includes a motor, a screw rod and a nut, and a body of the motor is fixedly connected to the base 20; the screw rod extends along the height direction of the base 20 and is synchronously connected with a rotating shaft of the motor; the nut thread is sleeved on the outer surface of the screw rod and fixed with the lens fixing plate 10. Thus, the screw rod can be driven to rotate by the rotation of the motor, the nut can be driven to rotate by the rotation of the screw rod, the rotation of the nut can be converted into the linear motion along the height direction of the base 20 under the guidance of the guiding mechanism 40, and the lens fixing plate 10 fixedly connected with the nut can be driven to move up and down.
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 (6)
1. A stage lamp focusing device comprises a driving mechanism, a lens fixing plate for mounting a lens and a base for mounting a light source; the lens fixing plate is arranged above the base and can move along the height direction of the base under the driving of the driving mechanism; the stage lamp focusing device is characterized by further comprising a guide mechanism, wherein the guide mechanism is used for guiding the lens fixing plate to move along the height direction of the machine body; the guide mechanism comprises a guide rod, a guide sleeve and a guide sleeve mounting assembly, and the guide rod is slidably penetrated in the guide sleeve; the guide sleeve mounting assembly comprises a connecting piece and a flexible piece; the outer surface of the guide sleeve is provided with a mounting part; the mounting part is provided with a through hole for the connection of the connecting piece; the flexible piece is used for clamping between the hole wall of the through hole and the outer surface of the connecting piece.
2. The stage lamp focusing apparatus of claim 1 wherein the guide sleeve is fixedly attached to the base by the guide sleeve mounting assembly; the top end of the guide rod is fixedly connected to the lens fixing plate; the bottom end of the guide rod is slidably penetrated in the guide sleeve.
3. The stage light focusing assembly of claim 2 wherein bolts are threadably received within the through-holes; the tail part of the bolt is screwed in the base so that the guide sleeve is fixedly connected on the base; a flexible gasket is sleeved outside the bolt; the flexible gasket is used for clamping between the hole wall of the through hole and the outer surface of the bolt when the tail part of the bolt is screwed in the base; the bolt is formed as a connection and the flexible washer is formed as a flexible member.
4. The stage light focusing assembly of claim 3, wherein the flexible gasket is a rubber gasket.
5. The stage light focusing assembly of any one of claims 1-4, wherein the plurality of guide mechanisms are provided in a plurality, the plurality of guide mechanisms being circumferentially spaced about the central axis of the base.
6. The stage lamp focusing apparatus of any of claims 1-4, wherein the drive mechanism comprises a motor, a lead screw and a nut, the body of the motor is fixedly connected to the base; the screw rod extends along the height direction of the base and is synchronously connected with a rotating shaft of the motor; the nut threads are sleeved on the outer surface of the screw rod and fixed with the lens fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604507.6U CN210069574U (en) | 2019-04-28 | 2019-04-28 | Stage lamp focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604507.6U CN210069574U (en) | 2019-04-28 | 2019-04-28 | Stage lamp focusing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210069574U true CN210069574U (en) | 2020-02-14 |
Family
ID=69449553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920604507.6U Active CN210069574U (en) | 2019-04-28 | 2019-04-28 | Stage lamp focusing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210069574U (en) |
-
2019
- 2019-04-28 CN CN201920604507.6U patent/CN210069574U/en active Active
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