CN220709535U - Projection screen mounting device - Google Patents

Abstract

The utility model relates to a projection screen mounting device which comprises a left group of movable frames and a right group of movable frames, wherein an adjustable telescopic component is arranged between the two groups of movable frames, a connecting seat is arranged at the bottom of each movable frame, a projection screen box is arranged between the two groups of connecting seats, a screen is arranged on each projection screen box, and a limiting plug-in unit for fixing the end part of each projection screen box is arranged on each connecting seat. This projection screen installation device takes down the locking bolt of both sides, under the extrusion thrust back effect of spring, make the removal frame horizontal slip of both sides to change the interval of two sets of connecting seats of lower extreme in a flexible way, later screw in the locking bolt and fix a position in the regulation hole of difference, make this installation device can satisfy the installation to different length projection screens fixed, make it more suitable, can make the mount pad quick detach connecting seat of projection screen box both sides through the setting of spacing plug-in components, thereby conveniently take off it and maintain, make the use of device more convenient.

Description

Projection screen mounting device

Technical Field

The utility model relates to the technical field of projection screens, in particular to a projection screen mounting device.

Background

The installation of the projection screen is generally divided into back hanging installation, top hanging installation and hoisting installation, and most of the projection screens are installed in various modes by installing code plates.

In the prior art, most of the used projection screen mounting devices are only suitable for mounting the projection screen with a fixed size, cannot be used for mounting the projection screen with different length sizes, are poor in applicability, and when the projection screen needs to be dismounted, the process is complicated, the mounting and dismounting of the projection screen cannot be realized quickly, and the later maintenance is troublesome, so that the projection screen mounting device is provided for solving the problems.

Disclosure of Invention

(one) solving the technical problems

In view of the shortcomings of the prior art, the present utility model provides a projection screen mounting apparatus to solve the problems set forth in the background above.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the projection screen mounting device comprises a left group of movable frames and a right group of movable frames, an adjustable telescopic component is arranged between the two groups of movable frames, a connecting seat is arranged at the bottom of each movable frame, a projection screen box is arranged between the two groups of connecting seats, a curtain is arranged on each projection screen box, and a limiting plug-in unit for fixing the end part of each projection screen box is arranged on each connecting seat;

the adjustable telescopic component comprises connecting columns extending into two groups of movable frames, springs connected with the inner walls of the movable frames are arranged at the left end and the right end of each connecting column, a plurality of groups of adjusting holes are formed in the upper end of each movable frame, and locking bolts extending into the connecting columns are arranged in one group of adjusting holes.

Preferably, the upper and lower both sides wall of spliced pole all is provided with the gag lever post, is located the inboard of carriage is provided with the movable block with gag lever post sliding connection.

Preferably, the end part of the movable frame is provided with a mounting plate, and the mounting plate is provided with a bolt hole.

Preferably, the spacing plug-in components are including installing the screw rod on the connecting seat, the side of screw rod is provided with the montant, and outside screw thread is provided with the removal seat with montant sliding connection, the left and right sides of projection screen box all is provided with the mount pad that is located the removal seat lower extreme.

Preferably, the screw rod is rotatably arranged on the connecting seat, the bottom end of the screw rod is provided with a handle, and the corresponding positions of the movable seat and the connecting seat are provided with inserting blocks inserted into the mounting seat.

(III) beneficial effects

Compared with the prior art, the utility model provides a projection screen installation device, which has the following beneficial effects:

this projection screen installation device takes down the locking bolt of both sides, under the extrusion thrust back effect of spring, make the removal frame horizontal slip of both sides to change the interval of two sets of connecting seats of lower extreme in a flexible way, later screw in the locking bolt and fix a position in the regulation hole of difference, make this installation device can satisfy the installation to different length projection screens fixed, make it more suitable, can make the mount pad quick detach connecting seat of projection screen box both sides through the setting of spacing plug-in components, thereby conveniently take off it and maintain, make the use of device more convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is an enlarged view of B of fig. 1 in accordance with the present utility model.

In the figure: the projection screen comprises a projection screen box 1, a connecting seat 2, a mounting plate 3, a spring 4, a connecting column 5, a moving block 6, a moving frame 7, a screw rod 8, a mounting seat 9, a plug block 10, a moving seat 11, a vertical rod 12, a locking bolt 13, a limiting rod 14, a regulating hole 15, a screen 16 and a handle 17.

Detailed Description

The following description of the preferred embodiments of the present utility model is provided in connection with the accompanying drawings, and it is to be understood that the utility model is not limited thereto.

The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the technical features indicated, whereby the features defining "first", "second" may explicitly or implicitly include one or more of such features, and in the description of the present utility model, unless otherwise indicated, "a plurality" means 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 for example, may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, and may be in communication with the inside of two elements, and the specific meaning of the terms in the present utility model may be understood as specific to one of ordinary skill in the art.

Referring to fig. 1-3, in the embodiment of the utility model, a projection screen installation device includes two groups of moving frames 7, an adjustable telescopic component is arranged between the two groups of moving frames 7, the distance between the two groups of moving frames 7 and a connecting seat 2 can be adjusted through the adjustable telescopic component, so that the device can adapt to the installation of projection screen boxes 1 with different lengths, the bottom of the moving frame 7 is provided with the connecting seat 2, a projection screen box 1 is arranged between the two groups of connecting seats 2, a curtain 16 is arranged on the projection screen box 1, a limiting plug-in for fixing the end part of the projection screen box 1 is arranged on the connecting seat 2, and the limiting plug-in is convenient and quick to assemble and disassemble the projection screen box 1, thereby facilitating the maintenance and replacement of the projection screen box 1 in later period;

the adjustable telescopic component comprises connecting columns 5 which extend into two groups of movable frames 7, springs 4 which are connected with the inner walls of the movable frames 7 are arranged at the left end and the right end of each connecting column 5, a plurality of groups of adjusting holes 15 are formed in the upper ends of the movable frames 7, locking bolts 13 which extend into the connecting columns 5 are arranged in one group of adjusting holes 15, the locking bolts 13 are detached, under the telescopic action of the springs 4, the movable frames 7 at two sides can horizontally slide, after the positions are adjusted, the locking bolts 13 are screwed into the corresponding adjusting holes 15, so that the adjustable telescopic component is positioned, and the adjustable telescopic component is suitable for installation and fixation of projection screen boxes 1 with different lengths.

Further, the upper and lower side walls of the connecting post 5 are both provided with a limiting rod 14, the inner side of the moving frame 7 is provided with a moving block 6 slidably connected with the limiting rod 14, and under the displacement of the moving frame 7, the inner moving block 6 is always positioned outside the limiting rod 14 to slide, so that the sliding stability of the moving frame 7 can be improved.

Further, the end portion of the movable frame 7 is provided with a mounting plate 3, the mounting plate 3 is provided with a bolt hole, and the device can be fixed by inserting the bolt through the bolt hole and into a wall body or other structure.

Further, the spacing plug-in components are including installing the screw rod 8 on connecting seat 2, the side of screw rod 8 is provided with montant 12, outside screw thread be provided with montant 12 sliding connection's removal seat 11, the left and right sides of projection curtain box 1 all is provided with the mount pad 9 that is located removal seat 11 lower extreme, rotates screw rod 8, controls under the spacing of montant 12 and removes seat 11 and slide from top to bottom to compress tightly mount pad 9, the quick assembly disassembly of being convenient for.

Further, the screw rod 8 is rotatably arranged on the connecting seat 2, the handle 17 is arranged at the bottom end of the screw rod, the handle 17 is held, the screw rod 8 is conveniently controlled to rotate, the inserting blocks 10 inserted into the mounting seat 9 are arranged at the corresponding positions of the movable seat 11 and the connecting seat 2, and when the projection screen box 1 is mounted, the inserting blocks 10 on the movable seat 11 and the connecting seat 2 are inserted into the mounting seat 9, so that the mounting is more stable, and the dismounting is more convenient.

To sum up, according to the projection screen mounting device, the locking bolt 13 is detached, under the telescopic action of the spring 4, the frame 7 can horizontally slide on the moving frames on two sides, after the position is adjusted, the locking bolt 13 is screwed into the corresponding adjusting hole 15, so that the locking bolt 13 is positioned, the device is suitable for mounting and fixing the projection screen box 1 with different lengths, the applicability of the device is improved, the handle 17 is held to rotate the screw rod 8, the moving seat 11 is controlled to slide up and down under the limit of the vertical rod 12, the inserting blocks 10 on two sides are separated from the limit of the mounting seat 9, and the projection screen box 1 is conveniently taken down, so that the assembly and disassembly are more convenient, and the later maintenance and use are convenient.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A projection screen mounting apparatus, characterized in that: the device comprises a left group of movable frames (7) and a right group of movable frames (7), an adjustable telescopic component is arranged between the two groups of movable frames (7), a connecting seat (2) is arranged at the bottom of each movable frame (7), a projection screen box (1) is arranged between the two groups of connecting seats (2), a curtain (16) is arranged on each projection screen box (1), and a limiting plug-in unit for fixing the end part of each projection screen box (1) is arranged on each connecting seat (2);

the adjustable telescopic component comprises connecting columns (5) extending into two groups of movable frames (7), springs (4) connected with the inner walls of the movable frames (7) are arranged at the left end and the right end of each connecting column (5), a plurality of groups of adjusting holes (15) are formed in the upper ends of the movable frames (7), and locking bolts (13) extending into the connecting columns (5) are arranged in the adjusting holes (15).

2. A projection screen mounting apparatus as defined in claim 1 wherein: limiting rods (14) are arranged on the upper side wall and the lower side wall of the connecting column (5), and a moving block (6) which is slidably connected with the limiting rods (14) is arranged on the inner side of the moving frame (7).

3. A projection screen mounting apparatus as defined in claim 2 wherein: the end of the movable frame (7) is provided with a mounting plate (3), and the mounting plate (3) is provided with a bolt hole.

4. A projection screen mounting apparatus as defined in claim 1 wherein: the limiting plug-in comprises a screw rod (8) arranged on the connecting seat (2), a vertical rod (12) is arranged on the side face of the screw rod (8), a movable seat (11) which is slidably connected with the vertical rod (12) is arranged on the outer side thread, and mounting seats (9) positioned at the lower end of the movable seat (11) are arranged on the left side and the right side of the projection screen box (1).

5. The projection screen mounting apparatus of claim 4 wherein: the screw rod (8) is rotatably arranged on the connecting seat (2), the bottom end of the screw rod is provided with a handle (17), and inserting blocks (10) inserted into the mounting seat (9) are arranged at the corresponding positions of the movable seat (11) and the connecting seat (2).