Projector fixing device

Abstract

The utility model discloses a projector fixing device which comprises an installation top plate, a telescopic rod arranged on the installation top plate in a sliding mode, an installation frame arranged at the end of the telescopic rod and a telescopic fixing piece fixed to the installation frame. The telescopic fixing part comprises a fixing base and a plurality of fixing rods arranged on the fixing base in the circumferential direction, the fixing rods are all slidably connected with the fixing base, and the fixing rods are fixed to the projector through bolts. The position of the telescopic rod slidably arranged on the mounting top plate can be adjusted in the horizontal direction. The fixing rod on the telescopic fixing piece not only can stretch out and draw back, but also can rotate by a certain angle on the basis of the fixing base so as to be matched with projectors of different specifications, the universality is high, and meanwhile the fixing rod can rotate after being fixed so as to adjust the installation angle of the projector. According to the fixing device, the horizontal position, the installation height and the installation angle of the projector can be adjusted in multiple directions, the adjusting flexibility is high, and the adjusting range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of projection fixing, and more specifically to a projector fixing device. Background Art

[0002] There are many types of projectors, some are placed directly on the desktop, and some need to be suspended. Among them, ceiling-mounted projectors are projection devices installed on the ceiling, usually used in conference rooms, classrooms, theaters and other places.

[0003] When installing a ceiling-mounted projector, the projector is usually placed on a bracket first, and then the bracket is fixed to the ceiling. After installation, the projector can be adjusted by rotating it at a certain angle to ensure the accurate projection position. The existing brackets are not very versatile, because the positions of the top fixing holes of different projectors are different, so one bracket can only match one type of projector. At the same time, the adjustment range of the projector after installation is small, the adjustment flexibility is poor, and the accuracy requirements for the installation site are high. Utility Model Content

[0004] The purpose of the utility model is to provide a projector fixing device to solve the technical problems existing in the above-mentioned background technology.

[0005] The technical solution of the utility model provides a projector fixing device, comprising a mounting top plate, a telescopic rod slidably arranged on the mounting top plate, a mounting frame arranged at the end of the telescopic rod, and a telescopic fixing piece fixed on the mounting frame;

[0006] The telescopic fixing member comprises a fixing seat and a plurality of fixing rods arranged on the fixing seat in a circumferential direction. The fixing rods are telescopic, and the plurality of fixing rods are all slidably connected to the fixing seat. The fixing rods are fixed to the projector by bolts.

[0007] In a preferred embodiment, the fixing seat comprises an upper seat body and a lower seat body connected to the upper seat body, and both the upper seat body and the lower seat body are provided with limiting grooves, and the fixing rod is slidably connected to the limiting grooves.

[0008] In a preferred embodiment, the fixed rod includes a rod body 1, a rod body 2 and a limit block connected to the rod body 1, the limit block is slidably connected to the limit groove, the rod body 1 is provided with a receiving groove, one end of the rod body 2 extends into the receiving groove, and the rod body 2 moves in the direction of extending or being retracted into the receiving groove.

[0009] In a preferred embodiment, the mounting frame includes a base frame and an adjustment frame connected to the base frame and provided with an arc-shaped fixing hole, and the telescopic rod is fixed to the adjustment frame.

[0010] In a preferred embodiment, a slide rail is provided at the bottom of the mounting top plate, the top of the telescopic rod is fixed to a slide block, and the slide block is slidably connected to the slide rail.

[0011] In a preferred embodiment, the mounting top plate is provided with waist-shaped holes.

[0012] The beneficial effects of the technical solution of the utility model are:

[0013] The telescopic rod slidably arranged on the top plate of the installation can be adjusted in the horizontal direction, and the telescopic rod can adjust the height of the rod body by telescoping. The fixing rod on the telescopic fixing part can not only be telescopic, but also rotated to a certain angle based on the fixing seat, so that it can match projectors of different specifications and be fixed to the fixing position on the projector. It has high versatility and can be rotated after being fixed to adjust the installation angle of the projector. This fixing device can realize multi-directional adjustment of the horizontal position, installation height, and installation angle of the projector, with high adjustment flexibility and a wide adjustment range. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the overall structure of the utility model from another perspective.

[0016] Figure 3 This is a disassembly diagram of the telescopic fixing structure of the utility model.

[0017] Figure 4 This is a structural disassembly diagram of the telescopic fixing member of the utility model from another perspective.

[0018] Explanation of the accompanying drawings: 1 mounting top plate, 2 telescopic rod, 3 mounting frame, 4 fixing seat, 5 upper seat body, 6 lower seat body, 7 limiting groove, 8 fixing rod, 9 rod body one, 10 rod body two, 11 limiting block, 12 slide rail, 13 slider, 15 bottom frame, 16 adjusting frame, 17 arc-shaped fixing hole, 18 waist-shaped hole. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the sake of illustration and convenience of description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0020] like Figure 1-4As shown, the technical solution of the utility model provides a projector fixing device, including a mounting top plate 1, a telescopic rod 2 slidably arranged on the mounting top plate 1, a mounting frame 3 arranged at the end of the telescopic rod 2, and a telescopic fixing member fixed on the mounting frame 3. The telescopic fixing member includes a fixing seat 4, a plurality of fixing rods 8 arranged on the fixing seat 4 in a circumferential direction, the fixing rods 8 are telescopic, the plurality of fixing rods 8 are slidably connected to the fixing seat 4, and the fixing rods 8 are fixed to the projector by bolts.

[0021] The mounting top plate 1 is fixed to the ceiling, and the telescopic rod 2 slidably arranged on the mounting top plate 1 can be adjusted in the horizontal direction. The telescopic rod 2 can adjust the rod body height by telescoping to meet the projection height requirements. The telescopic fixing part arranged on the mounting frame 3 is used to fix the projector. The fixing rod 8 thereon can not only be telescopic, but also can be rotated to a certain angle based on the fixing seat 4, so that it can match projectors of different specifications and be fixed to the fixing position on the projector. It has high versatility and can be rotated after being fixed to adjust the installation angle of the projector. This fixing device can realize multi-directional adjustment of the horizontal position, installation height, and installation angle of the projector, with high adjustment flexibility and a wide adjustment range.

[0022] The fixing seat 4 includes an upper seat body 5 and a lower seat body 6 connected to the upper seat body 5, and the upper seat body 5 and the lower seat body 6 are both provided with a limiting groove 7, and the fixing rod 8 is slidably connected to the limiting groove 7. The fixing rod 8 includes a rod body 1 9, a rod body 2 10 and a limiting block 11 connected to the rod body 1 9, and the limiting block 11 is slidably connected to the limiting groove 7, and the rod body 1 9 is provided with a receiving groove, and one end of the rod body 2 10 extends into the receiving groove, and the rod body 2 10 moves along the direction of extending or being received in the receiving groove.

[0023] The limit block 11 is clamped in the limit groove 7 and can slide in the limit groove 7 to adjust the position of the fixed rod 8. The fixed rod 8 is a combination of the rod body 1 9 and the rod body 2 10. The extension length of the rod body 2 10 can be controlled to match the fixed position of the projection top, which has high flexibility. At the same time, multiple fixed rods 8 are set, and the fixing stability is good. Three or more fixed rods 8 can be set, and four are provided in this embodiment.

[0024] The mounting frame 3 includes a base frame 15 and an adjustment frame 16 connected to the base frame 15 and provided with an arc-shaped fixing hole 17, and the telescopic rod 2 is fixed to the adjustment frame 16. The base frame 15 is fixed to the upper seat 5 by bolts, and the arc-shaped fixing hole 17 on the adjustment frame 16 can fine-tune the tilt angle of the projector.

[0025] The mounting top plate 1 is provided with waist-shaped holes 18, which can realize fine adjustment of the mounting position. The mounting top plate 1 is provided with a slide rail 12 at the bottom, and the top of the telescopic rod 2 is fixed with a slider 13, and the slider 13 is slidably connected with the slide rail 12. The telescopic rod 2 can slide on the slide rail 12, thereby driving the projector to move in the horizontal direction, realizing the adjustment of the projector in a larger range, thereby reducing the requirements for the accuracy of the mounting position.

[0026] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A projector fixing device, characterized in that: It includes a mounting top plate, a telescopic rod slidably arranged on the mounting top plate, a mounting frame arranged at the end of the telescopic rod, and a telescopic fixing member fixed on the mounting frame; The telescopic fixing member comprises a fixing seat and a plurality of fixing rods arranged on the fixing seat in a circumferential direction. The fixing rods are telescopic, and the plurality of fixing rods are all slidably connected to the fixing seat. The fixing rods are fixed to the projector by bolts.

2. A projector fixing device according to claim 1, characterized in that: The fixing seat comprises an upper seat body and a lower seat body connected to the upper seat body. The upper seat body and the lower seat body are both provided with limiting grooves, and the fixing rod is slidably connected to the limiting grooves.

3. A projector fixing device according to claim 2, characterized in that: The fixing rod comprises a rod body 1, a rod body 2 and a limit block connected to the rod body 1, the limit block is slidably connected to the limit groove, the rod body 1 is provided with a receiving groove, one end of the rod body 2 extends into the receiving groove, and the rod body 2 moves in the direction of extending out or being retracted into the receiving groove.

4. A projector fixing device according to claim 1, characterized in that: The mounting frame comprises a base frame and an adjusting frame connected to the base frame and provided with an arc-shaped fixing hole, and the telescopic rod is fixed to the adjusting frame.

5. A projector fixing device according to claim 1, characterized in that: A slide rail is arranged at the bottom of the mounting top plate, the top of the telescopic rod is fixed to a slide block, and the slide block is slidably connected to the slide rail.

6. A projector fixing device according to claim 1, characterized in that: The mounting top plate is provided with waist-shaped holes.

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