CN219245932U

CN219245932U - Mobile film screen bracket

Info

Publication number: CN219245932U
Application number: CN202223076135.5U
Authority: CN
Inventors: 陈林
Original assignee: Maanshan Star Giant Screen Television Equipment Technology Co ltd
Current assignee: Maanshan Star Giant Screen Television Equipment Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-06-23
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a mobile film screen bracket in the technical field of film screen brackets, which comprises a fixed frame, supporting columns and fixed blocks, wherein the fixed blocks are fixedly connected to the lower sides of front and rear side walls of the supporting columns, the top of the fixed frame is fixedly connected with a first servo motor through screws, the left and right sides of an inner cavity of the fixed frame are respectively and slidably connected with a telescopic rod, the left and right sides of the inner cavity of the fixed frame are respectively and fixedly connected with a fixed plate and positioned at the inner sides of the telescopic rods, the inner cavity of the fixed plates is connected with a screw rod in a penetrating and rotating manner, and the inner cavity of the supporting columns is slidably connected with a push rod.

Description

Mobile film screen bracket

Technical Field

The utility model relates to the technical field of film screen supports, in particular to a mobile film screen support.

Background

The film is a kind of performance art, visual art and hearing art, which is formed by capturing images and sound by using film, video tape or digital media and editing later, the mobile film is generally played in different places by setting up playing equipment, and is a kind of mobile showing form;

the film that flows generally plays outdoors, needs to build the support device of screen to fixed screen, current screen support has several backup pads and stay cord to constitute, and its stability is relatively poor, especially when blowing, the whole support can appear rocking, all is the screen shake, influences the effect of observing the shadow, and can not carry out the installation size adjustment, can't adjust according to actual demand, makes the suitability of screen support reduce, and we propose a film screen support that flows for this reason.

Disclosure of Invention

The utility model aims to provide a mobile film screen bracket, which aims to solve the problems that the prior screen bracket is provided with a plurality of support plates and pull ropes in the background art, the stability is poor, the whole bracket shakes particularly during wind blowing, the screen shakes, the film viewing effect is affected, the installation size cannot be adjusted, the adjustment cannot be carried out according to the actual requirements, and the applicability of the screen bracket is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mobile movie screen support, includes mount, support column and fixed block, fixed block fixed connection is in lateral wall downside around the support column, screw fixedly connected with first servo motor is passed through at the top of mount, equal sliding connection in the inner chamber left and right sides of mount has the telescopic link, the equal fixedly connected with fixed plate in the inner chamber left and right sides of mount, and is located the inboard of telescopic link, the inner chamber through-rotation of fixed plate is connected with the lead screw, the inner chamber sliding connection of support column has the ejector pin, just the top of ejector pin with the bottom joint of telescopic link, rotate between the inner chamber left and right sides wall of fixed block and be connected with the gear, open flutedly in the middle of the inner chamber top of fixed block, the bottom fixedly connected with balancing pole of gear.

As a further description of the above technical solution:

the output end of the first servo motor is fixedly connected with a first synchronous wheel, and the outer side of the first servo motor is sleeved with a protective cover.

As a further description of the above technical solution:

the middle of the outer side wall of the screw rod is fixedly connected with a second synchronous wheel, and the second synchronous wheel is rotationally connected with the first synchronous wheel through a synchronous belt.

As a further description of the above technical solution:

the inner side wall downside fixedly connected with backup pad of support column, the top of backup pad rotates and is connected with the regulation pole, and with ejector pin threaded connection, the inner chamber bottom of support column passes through screw fixedly connected with second servo motor, second servo motor's output with the bottom fixedly connected with of regulation pole, the bottom fixedly connected with gyro wheel of support column.

As a further description of the above technical solution:

the inner chamber bottom of recess runs through sliding connection has the gag lever post, and extends to outside, the inner chamber bottom fixedly connected with spacing spring of recess, and is located the outside of gag lever post, the bottom fixedly connected with tooth piece of gag lever post, and with spacing spring fixed connection, tooth piece and gear mesh.

As a further description of the above technical solution:

the inner cavity sliding connection of balancing pole has the support arm, the preceding lateral wall downside threaded connection of balancing pole has stop bolt, the bottom rotation of support arm is connected with the spheroid, spheroidal bottom fixedly connected with base, and is located the outside of support arm.

Compared with the prior art, the utility model has the beneficial effects that:

1. this mobile film screen support, make it shift up through manual pull gag lever post, drive the tooth piece and remove, make tooth piece and gear separation, make the gear lose spacingly, can cross free rotation, through manual pulling balancing pole, drive gear rotation, make the interval increase between balancing pole and the support column, be convenient for increase the area of force of support column, improve its stability, through rotatory limit bolt, make it move to the outside, break away from the support arm, make it lose spacingly, under the effect of gravity, free whereabouts, drive the base and remove together, until base and ground contact, make balancing pole atress even, thereby improve the stability of support column, be difficult for rocking, ensure that the screen is stable, do not influence the effect of watching.

2. This mobile film screen support improves power through first servo motor, drive first synchronizing wheel and rotate, make the synchronous rotation of second synchronizing wheel, it is rotatory to drive the lead screw through the second synchronizing wheel, make telescopic link horizontal direction remove, make the interval between two telescopic links change, be convenient for adjust the horizontal installation size of screen, provide power through the second servo motor, it is rotatory to drive the regulation pole, make ejector pin vertical direction remove, remove through the ejector pin, drive the telescopic link, change its vertical height, be convenient for adjust the vertical installation size of screen, thereby be convenient for according to actual demand, freely adjust the installation size of screen support, the suitability of screen support has been improved greatly.

Drawings

Fig. 1 is a schematic structural view of a mobile movie screen bracket according to the present utility model;

FIG. 2 is a schematic diagram showing a schematic cross-sectional front view of a mobile movie screen bracket according to the present utility model;

FIG. 3 is a schematic diagram of a mobile movie screen bracket according to the present utility model;

fig. 4 is a schematic diagram of a partial right-view cross-sectional structure of a mobile movie screen bracket according to the present utility model.

In the figure: 100. a fixing frame; 110. a first servo motor; 111. a first synchronizing wheel; 112. a protective cover; 120. a telescopic rod; 130. a fixing plate; 140. a screw rod; 141. a second synchronizing wheel; 200. a support column; 210. a push rod; 220. a support plate; 221. an adjusting rod; 230. a second servo motor; 240. a roller; 300. a fixed block; 310. a gear; 320. a groove; 321. a limit rod; 322. a limit spring; 323. tooth blocks; 330. a balance bar; 331. a support arm; 332. a limit bolt; 333. a sphere; 334. and (5) a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a mobile film screen bracket, which increases the stress area of a support column by freely adjusting the position of a balance rod, thereby improving the stability of the support column, ensuring the stability of the screen without influencing the viewing effect, and freely adjusting the installation size of the screen bracket according to the actual installation requirement so as to be convenient for improving the applicability, and referring to fig. 1-4, the mobile film screen bracket comprises a fixing frame 100, a support column 200 and a fixing block 300;

referring to fig. 1-3, a first servo motor 110 is fixedly connected to the top of a fixing frame 100 through screws, the first servo motor 110 is used for providing power, telescopic rods 120 are slidably connected to the left side and the right side of an inner cavity of the fixing frame 100, the telescopic rods 120 are used for adjusting the length of the fixing frame 100, fixing plates 130 are fixedly connected to the left side and the right side of the inner cavity of the fixing frame 100, the fixing plates 130 are used for installing screw rods 140 and are positioned on the inner side of the telescopic rods 120, the screw rods 140 are rotatably connected to the inner cavity of the fixing plates 130 in a penetrating mode, and the screw rods 140 are used for power transmission;

referring to fig. 1-3 again, the inner cavity of the support column 200 is slidably connected with a push rod 210, and the top of the push rod 210 is clamped with the bottom of the telescopic rod 120, and the push rod 210 is used for adjusting the length of the support column 200;

referring to fig. 1 and 3-4, a fixed block 300 is fixedly connected to the lower sides of the front and rear side walls of a support column 200, a gear 310 is rotatably connected between the left and right side walls of the inner cavity of the fixed block 300, the gear 310 is used for limiting a balance rod 330, a groove 320 is formed in the middle of the top of the inner cavity of the fixed block 300, the groove 320 is used for installing a tooth block 323, the balance rod 330 is fixedly connected to the bottom of the gear 310, and the balance rod 330 is used for improving the stability of the support column 200.

In summary, the stress area of the support column 200 is increased by freely adjusting the position of the balance rod 330, so that the stability of the support column 200 is improved, shaking is not easy, the stability of the screen is ensured, the viewing effect is not affected, the installation size of the screen bracket can be freely adjusted according to the actual installation requirement, and the applicability of the screen bracket is convenient to improve.

Referring to fig. 1-2, the output end of the first servo motor 110 is fixedly connected with a first synchronous wheel 111, and a protective cover 112 is sleeved on the outer side of the first servo motor 110, so as to facilitate protection of the first servo motor 110.

Referring to fig. 2, a second synchronizing wheel 141 is fixedly connected to the middle of the outer side wall of the screw 140, and the second synchronizing wheel 141 is rotatably connected to the first synchronizing wheel 111 through a synchronous belt, so as to facilitate power transmission.

Referring to fig. 1-3 again, a supporting plate 220 is fixedly connected to the lower side of the inner side wall of the supporting column 200, an adjusting rod 221 is rotatably connected to the top of the supporting plate 220 and is in threaded connection with the ejector rod 210, a second servo motor 230 is fixedly connected to the bottom of the inner cavity of the supporting column 200 through a screw, an output end of the second servo motor 230 is fixedly connected to the bottom of the adjusting rod 221, and a roller 240 is fixedly connected to the bottom of the supporting column 200, so that the position of the ejector rod 210 can be adjusted conveniently.

Referring to fig. 4, the bottom of the inner cavity of the groove 320 is connected with a limiting rod 321 in a penetrating and sliding manner and extends to the outside, the bottom of the inner cavity of the groove 320 is fixedly connected with a limiting spring 322 and is located at the outer side of the limiting rod 321, the bottom of the limiting rod 321 is fixedly connected with a tooth block 323 and is fixedly connected with the limiting spring 322, and the tooth block 323 is meshed with the gear 310, so that the gear 310 is convenient to limit.

Referring to fig. 4 again, the inner cavity of the balance rod 330 is slidably connected with a support arm 331, a limit bolt 332 is screwed on the lower side of the front side wall of the balance rod 330, a ball 333 is rotatably connected to the bottom of the support arm 331, a base 334 is fixedly connected to the bottom of the ball 333, and the support arm is located outside the support arm 331, so that the balance rod 330 is uniformly stressed.

When the screen bracket is specifically used, a person skilled in the art starts the first servo motor 110 to operate by manually operating the remote controller, drives the first synchronous wheel 111 to rotate through the first servo motor 110, synchronously rotates the second synchronous wheel 141, drives the screw rod 140 to rotate through the second synchronous wheel 141, moves the telescopic rods 120 in the horizontal direction, changes the distance between the two telescopic rods 120, facilitates the adjustment of the horizontal installation dimension of the screen, starts the second servo motor 230 to operate by manually operating the remote controller, drives the adjusting rod 221 to rotate through the second servo motor 230, moves the ejector rod 210 in the vertical direction, drives the telescopic rods 120 to move through the ejector rod 210, changes the vertical height thereof, facilitates the adjustment of the vertical installation dimension of the screen, thereby facilitating the free adjustment of the installation dimension of the screen bracket according to actual requirements, improves the applicability of the screen bracket, the gear block 323 is driven to move upwards by manually lifting the limiting rod 321, meanwhile, the limiting spring 322 is extruded to deform under force, the gear block 323 is separated from the gear 310 to ensure that the gear 310 is out of limit, the gear 310 can freely rotate, the gear 310 is driven to rotate by manually pulling the balancing rod 330 to facilitate the adjustment of the position of the balancing rod 330, the gear 310 is limited by meshing with the gear 310 by releasing the limiting rod 321 and driving the gear block 323 to reset under the action of the rebound force of the limiting spring 322, the supporting arm 331 is separated from the limit by rotating the limiting bolt 332 to move outwards, the base 334 is driven to move together under the action of gravity until the base 334 is contacted with the ground, the stress of the balancing rod 330 is uniform, the distance between the balancing rod 330 and the supporting column 200 is increased, the stress area of the supporting column 200 is conveniently increased, the stability of the supporting column is improved, therefore, the stability of the screen support is improved, shaking is not easy to occur, the screen is ensured to be stable, and the viewing effect is not influenced.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A mobile cinema screen bracket characterized by: including mount (100), support column (200) and fixed block (300), fixed block (300) fixed connection is in lateral wall downside around support column (200), the top of mount (100) is through first servo motor (110) of screw fixedly connected with, the equal sliding connection of inner chamber left and right sides of mount (100) has telescopic link (120), the equal fixedly connected with fixed plate (130) in inner chamber left and right sides of mount (100), and is located the inboard of telescopic link (120), the inner chamber run through rotation of fixed plate (130) is connected with lead screw (140), the inner chamber sliding connection of support column (200) has ejector pin (210), just the top of ejector pin (210) with the bottom joint of telescopic link (120), the rotation is connected with gear (310) between the inner chamber left and right sides wall of fixed block (300), open flutedly (320) in the middle of the inner chamber top of fixed block (300), the bottom fixedly connected with balancing pole (330) of gear (310).

2. A mobile cinema screen holder according to claim 1, wherein: the output end of the first servo motor (110) is fixedly connected with a first synchronous wheel (111), and the outer side of the first servo motor (110) is sleeved with a protective cover (112).

3. A mobile cinema screen holder according to claim 1, wherein: a second synchronizing wheel (141) is fixedly connected in the middle of the outer side wall of the screw rod (140), and the second synchronizing wheel (141) is rotationally connected with the first synchronizing wheel (111) through a synchronous belt.

4. A mobile cinema screen holder according to claim 1, wherein: the utility model discloses a support column, including support column (200), inner wall downside fixedly connected with backup pad (220), the top of backup pad (220) rotates and is connected with regulation pole (221), and with ejector pin (210) threaded connection, the inner chamber bottom of support column (200) is through screw fixedly connected with second servo motor (230), the output of second servo motor (230) with the bottom fixed connection of regulation pole (221), the bottom fixedly connected with gyro wheel (240) of support column (200).

5. A mobile cinema screen holder according to claim 1, wherein: the inner cavity bottom of recess (320) runs through sliding connection has gag lever post (321), and extends to outside, inner cavity bottom fixedly connected with spacing spring (322) of recess (320), and is located the outside of gag lever post (321), the bottom fixedly connected with tooth piece (323) of gag lever post (321), and with spacing spring (322) fixed connection, tooth piece (323) meshes with gear (310).

6. A mobile cinema screen holder according to claim 1, wherein: the inner cavity sliding connection of balancing pole (330) has support arm (331), the preceding lateral wall downside threaded connection of balancing pole (330) has stop bolt (332), the bottom rotation of support arm (331) is connected with spheroid (333), the bottom fixedly connected with base (334) of spheroid (333), and is located the outside of support arm (331).