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CN-224215249-U - Theatre lamp focusing self-locking structure

CN224215249UCN 224215249 UCN224215249 UCN 224215249UCN-224215249-U

Abstract

The utility model relates to the technical field of stage lamps, in particular to a focusing and self-locking structure of a theater lamp. According to the utility model, the motor is connected with the worm, the worm wheel drives the first gear, and then the first gear is matched with the belt and the second gear to enable the light source to move, the worm and the worm wheel have a self-locking function transmission function, and the light source cannot slide from any angle when power is off.

Inventors

  • CHEN XIAOCONG
  • WU XIAOSHAN
  • ZHONG ZHAOHUI

Assignees

  • 广州鹏林照明灯具有限公司

Dates

Publication Date
20260508
Application Date
20250527

Claims (6)

  1. 1. The utility model provides a theatre lamp focusing auto-lock structure, theatre lamp focusing auto-lock structure sets up in lamp body (1), its characterized in that, lamp body (1) is equipped with and holds the chamber, hold the chamber and be fixed with motor (401), the output shaft and worm (402) fixed connection of motor (401), worm (402) and worm wheel (403) meshing, worm (402) center pin one end and first fixing base (407) pass through bearing connection, worm (402) center pin other end pass behind the bearing of second fixing base (408) with first gear (405) fixed connection, first gear (405) and belt (404) meshing, belt (404) still with second gear (406) meshing just second gear (406) are connected through bearing connection with third fixing base (409), first fixing base (407), second fixing base (408) with third fixing base (409) are fixed in respectively and hold the chamber, belt (404) are fixed with the support, support and light source (200) fixed connection.
  2. 2. The theater lamp focusing and self-locking structure according to claim 1, wherein the bracket comprises a connecting frame (411) and an auxiliary frame (412), one end of the auxiliary frame (412) is fixedly connected with the belt (404), one side of the auxiliary frame (412) far away from one end of the belt (404) is fixedly connected with the connecting frame (411), the bottom of the connecting frame (411) is in sliding connection with the guide rail (410), and the guide rail (410) is fixed in the accommodating cavity.
  3. 3. The theater lamp focusing self-locking structure according to claim 2, wherein the number of the guide rails (410) is two, and the two guide rails (410) are arranged at intervals.
  4. 4. The focusing and self-locking structure of the theater lamp according to claim 2, wherein one side of the connecting frame (411) is fixedly connected with the light source (200), and the other side of the connecting frame (411) is fixedly connected with the radiator (300).
  5. 5. The theater lamp focusing and self-locking structure according to claim 4, wherein said connecting frame (411) is made of metal.
  6. 6. The theater lamp focusing and self-locking structure according to any one of claims 1-5, wherein the accommodating cavity is fixed with a partition board, the partition board divides the accommodating cavity into a first cavity and a second cavity, the motor (401) is located in the first cavity, an output shaft of the motor (401) penetrates through the partition board and then is fixedly connected with the worm (402), and the worm (402) is located in the second cavity.

Description

Theatre lamp focusing self-locking structure Technical Field The utility model relates to the technical field of stage lamps, in particular to a focusing and self-locking structure of a theater lamp. Background The theatre is a special place for playing entertainment such as drama, opera, dance, folk art forms (including ballad singing, story telling, comic dialogues, clapper talks, cross talks, etc.), music and the like, and the lamps arranged in the theatre can play an effect of rendering atmosphere. The focusing of old theatre lamps is generally driven by screw rod, spur gear or bevel gear, but this has a disadvantage that if the light source is turned off, it will slide downwards if it is vertically downward in a direction of more than 45 °. Disclosure of utility model Aiming at the problems, the utility model provides a focusing and self-locking structure of a theater lamp, which mainly solves the problems in the background technology. The utility model provides a theater lamp focusing self-locking structure, which is arranged on a lamp housing, wherein the lamp housing is provided with a containing cavity, a motor is fixed in the containing cavity, an output shaft of the motor is fixedly connected with a worm, the worm is meshed with a worm wheel, one end of a central shaft of the worm is connected with a first fixing seat through a bearing, the other end of the central shaft of the worm penetrates through a bearing of a second fixing seat and is fixedly connected with a first gear, the first gear is meshed with a belt, the belt is meshed with a second gear, the second gear is connected with a third fixing seat through a bearing, the first fixing seat, the second fixing seat and the third fixing seat are respectively fixed in the containing cavity, and a bracket is fixed on the belt and fixedly connected with a light source. The further improvement lies in, the support includes link and auxiliary frame, auxiliary frame one end and belt fixed connection, one side and the link fixed connection of belt one end are kept away from to the auxiliary frame, the bottom and the guide rail sliding connection of link just the guide rail is fixed in and holds the chamber. A further improvement is that the number of the guide rails is two, the two guide rails are arranged at intervals. The further improvement is that one side of the connecting frame is fixedly connected with the light source, and the other side of the connecting frame is fixedly connected with the radiator. The further improvement is that the connecting frame is made of metal. The motor is located in the first cavity, an output shaft of the motor penetrates through the partition plate and then is fixedly connected with the worm, and the worm is located in the second cavity. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the motor is connected with the worm, the worm wheel drives the first gear, and then the first gear is matched with the belt and the second gear to enable the light source to move, the worm and the worm wheel have a self-locking function transmission function, and the light source cannot slide from any angle when power is off. Drawings The drawings are for illustrative purposes only and are not to be construed as limiting the utility model, and certain components of the drawings may be omitted, enlarged or reduced in order to better explain the present embodiments, and do not represent the actual product dimensions, and it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. FIG. 1 is a schematic view of the present utility model after being installed in a lamp housing; FIG. 2 is a schematic diagram of the connection of the present utility model; FIG. 3 is a schematic view of the attachment of the stent of the present utility model; Wherein: 1. 200 parts of lamp shell, 300 parts of light source and a radiator; 401. the motor, 402, the worm, 403, the worm wheel, 404, the belt, 405, the first gear, 406, the second gear, 407, the first fixing base, 408, the second fixing base, 409, the third fixing base, 410, the guide rail, 411, the connecting frame, 412 and the auxiliary frame. Detailed Description In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present utility model. The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples. Referring to f