CN212298415U

CN212298415U - Digital film projector mounting rack

Info

Publication number: CN212298415U
Application number: CN202020226113.4U
Authority: CN
Inventors: 周振宇
Original assignee: Shanghai Hongchuan Film & Tv Technology Co ltd
Current assignee: Shanghai Hongchuan Film & Tv Technology Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2021-01-05
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a digital film projector mounting bracket, including the mounting panel, one side of mounting panel slides and ann has the L board, one side fixed mounting of L board has places the board, the upper wall slidable mounting of mounting panel has the lift post, the top of lift post and the lower wall fixed connection of the stub of L board, set up a plurality of spacing holes that set up along vertical direction equidistance on the lift post, the antetheca of mounting panel is equipped with the locating hole, it has the locating pin to run through locating hole slidable mounting in the spacing hole, the antetheca of mounting panel is located the place ahead fixed mounting of locating hole position and has the locating piece. The utility model discloses, realize the sliding connection of mounting panel and L board, remove the lift post and drive the L board and carry out the height that lift adjustment placed the board to the realization is to the regulation of projector height, drives L clamp arm and presss from both sides tightly the projector, prevents the in-process of the use of projector, falls from placing the board, injures the people by a crashing object, protection user's safety.

Description

Digital film projector mounting rack

Technical Field

The utility model relates to a projector field especially relates to a digital film projector mounting bracket.

Background

In 2000, "2131 project" was proposed by the national committee, the ministry of finance and radio and television, namely, 1 movie is put in every 1 village (69 ten thousand administrative villages in the country) in the last few years of the 21 st century. Through the intense investment of central government and local governments at all levels during the 'one-half-a-five' period, about 4 thousands of market reserves are formed at present, but the equipment is basically combined in structure, and through the development of the last 10 years, the equipment replacement and the equipment quantity expansion period are reached now. According to the 'twelve-five' planning, the rural digital film mobile projection project is listed in the national 'basic culture construction outline', the corresponding government subsidy policy is executed for a long time, as long as the national subsidy exists all the time, the rural digital film mobile projection work is developed all the time, and the product passes the certification of the radio and television bureau, firstly enters the market, a small amount of products are put into use, and the product similar to the novel patent does not exist in the current market, so the product has market significance.

When the projector is used, a projector mounting frame is needed, but the height of the existing projector mounting frame on the market can not be adjusted once the projector mounting frame is mounted, so that the projector mounting frame can not be suitable for different crowds, and the projector mounting frame is generally mounted at a high place and is not very safe to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mounting rack of a digital film projector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a digital film projector mounting rack comprises a mounting plate, wherein an L plate is arranged on one side of the mounting plate in a sliding manner, a placing plate is fixedly arranged on one side of the L plate, a lifting column is arranged on the upper wall of the mounting plate in a sliding manner, the top of the lifting column is fixedly connected with the lower wall of the short end of the L plate, a plurality of limiting holes which are arranged at equal intervals along the vertical direction are formed in the lifting column, a positioning hole is formed in the front wall of the mounting plate, a positioning pin is arranged in the limiting holes in a penetrating manner in a sliding manner, a positioning block is fixedly arranged on the front wall of the mounting plate in front of the position of the positioning hole, a lifting chute is formed in one side of the mounting plate, a vertically arranged guide rod is fixedly arranged in the lifting chute, a movable block is sleeved on the guide rod in a sliding manner, the movable block is fixedly, sliding mounting has the slide in the spout, fixed mounting has the connecting block in the middle of the upper wall of cavity, the other end fixedly connected with double-shaft motor of connecting block, the output difference fixedly connected with threaded rod of double-shaft motor, the other end of threaded rod rotates with the left and right inner wall of cavity respectively and is connected, two the threaded sleeve is installed to the equal screw thread of threaded rod, the antetheca of L board is equipped with the through-hole, the antetheca of threaded sleeve all runs through-hole fixedly connected with L clamp arm, two the equal fixed mounting of the other end that the L shape pressed from both sides the arm has tight head of.

Preferably, the positioning block is provided with a cavity, a movable plate is arranged in the cavity, one end of the positioning pin penetrates through the cavity, the movable plate is fixedly sleeved on the positioning pin, and the positioning pin is sleeved with a spring.

Preferably, the outer diameter of the threaded rod is smaller than the inner diameter of the threaded sleeve, and the outer thread of the threaded rod is matched with the inner thread of the threaded sleeve.

Preferably, the size of the limiting hole is matched with that of the positioning pin.

Preferably, the sliding groove and the sliding seat are matched in size.

Preferably, the movable block is matched with the lifting chute in size.

The utility model has the advantages that:

1, the utility model discloses a movable block slides on the guide arm, realizes the sliding connection of mounting panel and L board, stimulates locating pin compression spring for the locating pin breaks away from spacing hole and locating hole, then removes the lift post and drives the L board and carry out the height that lift adjustment placed the board, thereby realizes the regulation to projector's height.

2, the utility model discloses a biax motor's output all drives the threaded rod and rotates, and the thread bush moves to biax motor under the cooperation guide of spout and slide to drive L-shaped clamp arm and press from both sides tight the projector, prevent the in-process of the use of projector, fall down from placing the board, injure the people by a crashing object, protection user's safety.

Drawings

Fig. 1 is a schematic structural diagram of a mounting frame of a digital cinema projector according to the present invention.

Fig. 2 is a schematic structural diagram of a mounting plate and a positioning block of a digital cinema projector mounting frame according to the present invention.

Fig. 3 is a side view of the L-plate of the mounting frame of the digital cinema projector according to the present invention.

Fig. 4 is a side view of the L-plate of the mounting bracket of the present invention.

Reference numbers in the figures: the device comprises a mounting plate 1, a plate 2L, a lifting column 3, a limiting hole 4, a positioning hole 5, a placing plate 6, a positioning pin 7, a positioning block 8, a movable plate 9, a spring 10, a lifting chute 11, a guide rod 12, a movable block 13, a double-shaft motor 14, a threaded rod 15, a threaded sleeve 16 and a clamping arm 17L.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a digital cinema projector mounting frame comprises a mounting plate 1, an L plate 2 is slidably mounted on one side of the mounting plate 1, a placing plate 6 is fixedly mounted on one side of the L plate 2, a lifting column 3 is slidably mounted on the upper wall of the mounting plate 1, the top of the lifting column 3 is fixedly connected with the lower wall of the short end of the L plate 2, a plurality of limiting holes 4 are formed in the lifting column 3 at equal intervals along the vertical direction, a positioning hole 5 is formed in the front wall of the mounting plate 1, a positioning pin 7 is slidably mounted in the limiting hole 4 through the positioning hole 5, a positioning block 8 is fixedly mounted on the front wall of the mounting plate 1 in front of the positioning hole 5, a lifting chute 11 is formed in one side of the mounting plate 1, a vertically arranged guide rod 12 is fixedly mounted in the lifting chute 11, a movable block 13 is slidably sleeved on the guide rod 12, the movable block 13 is fixedly connected, the inner upper wall of the cavity is provided with a sliding groove, a sliding seat is arranged in the sliding groove in a sliding manner, a connecting block is fixedly arranged in the middle of the upper wall of the cavity, the other end of the connecting block is fixedly connected with a double-shaft motor 14, the output end of the double-shaft motor 14 is respectively and fixedly connected with a threaded rod 15, the other end of the threaded rod 15 is respectively and rotatably connected with the left inner wall and the right inner wall of the cavity, threaded sleeves 16 are respectively and threadedly arranged on the two threaded rods 15, a through hole is formed in the front wall of the L-shaped plate 2, the front wall of each threaded sleeve 16 is fixedly connected with an L-shaped clamping arm 17 through the through hole, clamping heads are respectively and fixedly arranged on the other ends of the two L-shaped clamping arms 17, the cavity is formed in the positioning block 8, a movable plate 9 is arranged in the cavity, one end of, the size adaptation of spacing hole 4 and locating pin 7, the size adaptation of spout and slide, the size adaptation of movable block 13 and lift spout 11.

The working principle is as follows: the utility model discloses, pass through bolt or welding and wall fixed connection with mounting panel 1, movable block 13 slides on guide arm 12, realize mounting panel 1 and L board 2's sliding connection, pulling locating pin 7 compression spring 10, make locating pin 7 break away from spacing hole 4 and locating hole 5, then remove lift post 3 and drive L board 2 and carry out the height that lift adjustment placed board 6, thereby realize the regulation to projector's height, after high regulation is good, open double-shaft motor 14, double-shaft motor 14's output all drives threaded rod 15 and rotates, the thread bush 16 is under the cooperation of spout and slide is directed, remove to double-shaft motor 14, thereby it presss from both sides tightly to projector to drive L clamp arm 17, prevent the in-process of projector's use, from placing falling on board 6, injure the people by a crashing object, user's safety is protected.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a digital film projector mounting bracket, includes mounting panel (1), its characterized in that, one side of mounting panel (1) is slided and is installed L board (2), one side fixed mounting of L board (2) has places board (6), the upper wall slidable mounting of mounting panel (1) has lift post (3), the top of lift post (3) and the lower wall fixed connection of the stub of L board (2), set up a plurality of spacing holes (4) that set up along vertical direction equidistance on lift post (3), the antetheca of mounting panel (1) is equipped with locating hole (5), it has locating pin (7) to run through locating hole (5) slidable mounting in spacing hole (4), the antetheca of mounting panel (1) is located the place ahead fixed mounting of locating hole (5) position has locating piece (8), lift spout (11) has been seted up to one side of mounting panel (1), fixed mounting has guide arm (12) of vertical setting in lift spout (11), and the sliding sleeve is equipped with movable block (13) on guide arm (12), movable block (13) and L board (2) fixed connection, be equipped with the cavity in L board (2), the upper wall is equipped with the spout in the cavity, slidable mounting has the slide in the spout, fixed mounting has the connecting block in the middle of the upper wall of cavity, the other end fixedly connected with double-shaft motor (14) of connecting block, the output of double-shaft motor (14) is fixedly connected with threaded rod (15) respectively, the other end of threaded rod (15) respectively with the left and right inner wall of cavity rotate to be connected, two thread bush (16) is installed to the equal screw thread of threaded rod (15), the antetheca of L board (2) is equipped with the through-hole, the antetheca of thread bush (16) all runs through-hole fixedly connected with, the other ends of the two L-shaped clamping arms (17) are fixedly provided with clamping heads.

2. The mounting rack of a digital cinema projector according to claim 1, characterized in that the positioning block (8) is provided with a cavity, a movable plate (9) is arranged in the cavity, one end of the positioning pin (7) penetrates through the cavity, the movable plate (9) is fixedly sleeved on the positioning pin (7), and the positioning pin (7) is sleeved with a spring (10).

3. A digital cinema projector mount as claimed in claim 1, characterized in that the threaded rod (15) has an outer diameter smaller than the inner diameter of the threaded sleeve (16), the outer thread of the threaded rod (15) and the inner thread of the threaded sleeve (16) being adapted.

4. A digital cinema projector mount as claimed in claim 1, characterized in that the size of the limiting hole (4) and the positioning pin (7) is adapted.

5. The digital cinema projector mount as claimed in claim 1, wherein the slide and the slide are sized to fit together.

6. A digital cinema projector mount as claimed in claim 1, characterized in that the movable block (13) and the lifting chute (11) are adapted in size.