CN215635987U

CN215635987U - Projector fixing mechanism

Info

Publication number: CN215635987U
Application number: CN202122044497.5U
Authority: CN
Inventors: 程文忠
Original assignee: Shanghai Shunying Electronic Technology Co ltd
Current assignee: Shanghai Weiren Multimedia Technology Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-25
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a projector fixing mechanism which comprises a bottom box body and a loading box above the bottom box body, wherein a left wall inside the bottom box body is rotatably connected with a bidirectional threaded rod, the right end of the bidirectional threaded rod penetrates through the right wall of the bottom box body and is fixedly connected with a first rotating handle, the periphery of the bidirectional threaded rod is in threaded connection with two threaded sleeves, the tops of the two threaded sleeves are rotatably connected with a switching rod, one end, far away from the threaded sleeves, of the switching rod is rotatably connected with the bottom of the loading box, two clamping plates are arranged inside the loading box, and one sides, far away from each other, of the two clamping plates are fixedly connected with a clamping block and two first springs. The utility model solves the problems that the height of the existing projector fixing mechanism is low in adjustable degree, the projector is not aligned with a curtain frequently, and the projector is inconvenient to mount and dismount and is not beneficial to daily overhaul and maintenance.

Description

Projector fixing mechanism

Technical Field

The utility model relates to the technical field of projectors, in particular to a projector fixing mechanism.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places, and have different types such as CRT, LCD and DLP according to different working modes.

However, the existing projector still has some problems in installation and fixation, for example, the existing sitting-type projector has low height adjustability, and the problem that the projector is not aligned with the screen often occurs; the existing projector is often arranged in a protective shell with an adjustable angle, but the projector is inconvenient to mount and dismount and is not beneficial to daily overhaul and maintenance.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

The utility model provides a projector fixing mechanism for solving the technical problems in the background art, and solves the problems that the height of the existing projector fixing mechanism is low in adjustable degree, the projector is not aligned with a screen, the projector is inconvenient to mount and dismount, and the daily overhaul and maintenance are not facilitated.

(II) technical scheme

The utility model provides a projector fixing mechanism which comprises a bottom box body and a carrying box above the bottom box body, wherein a bidirectional threaded rod is rotatably connected to the left wall inside the bottom box body, the right end of the bidirectional threaded rod penetrates through the right wall of the bottom box body and is fixedly connected with a first rotating handle, two thread sleeves are in threaded connection with the periphery of the bidirectional threaded rod, switching rods are rotatably connected to the tops of the two thread sleeves, one end, far away from the thread sleeves, of each switching rod is rotatably connected with the bottom of the carrying box, two clamping plates are arranged inside the carrying box, a clamping block and two first springs are fixedly connected to one sides, far away from each other, of the two clamping plates, one ends, far away from the clamping plates, of the first springs are fixedly connected with the inner wall of the carrying box, fixing plates are fixedly connected to the front inner wall and the back inner wall of the carrying box, and sliding concave blocks are slidably connected to the front inner wall and the back inner wall of the carrying box, and a second spring is fixedly connected between the sliding concave block and the fixing plate.

Preferably, the top wall of the bottom box body is provided with a rectangular guide hole, and the two adapter rods penetrate through the rectangular guide hole.

Preferably, the bottoms of the two thread sleeves are fixedly connected with sliding connection blocks, and the bottoms of the sliding connection blocks are connected with the inner wall of the bottom box body in a sliding mode.

Preferably, the bottom four corners department of carrying the box all fixedly connected with guide bar, the bottom of guide bar all activity runs through the roof of end box and extends to the inside of end box.

Preferably, the four corners of the bottom wall of the loading box are respectively in threaded connection with a screw rod, the top end of each screw rod is respectively in rotary connection with a loading block, and the bottom end of each screw rod is respectively and fixedly connected with a second rotating handle.

Preferably, the projector body is placed to the inside of carrying the box, the equal fixed mounting in bottom four corners department of end box has anti-skidding foot pad.

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

1. through setting up components such as two-way threaded rod, thread bush, switching pole, make this utility model device accessible rotate first change adjust the holistic height of projecting apparatus body, rethread screw rod, carrier block, second change the projection angle of component such as adjusting the projecting apparatus body, make things convenient for the accurate curtain projection of aiming at of projecting apparatus body to make projection picture quality better.

2. Through setting up components such as fixed plate, slip concave block, first spring, second spring, splint, make this utility model device be convenient for the installation and the dismantlement of projecting apparatus body, be favorable to the daily maintenance of projecting apparatus body and maintain, improved the practicality of device.

Drawings

Fig. 1 is a schematic perspective view of a fixing mechanism of a projector according to the present invention;

FIG. 2 is a front view of a projector mount according to the present invention;

fig. 3 is a schematic top view of a fixing mechanism of a projector according to the present invention.

In the figure: the projector comprises a base box body 1, a carrying box 2, a projector body 3, a clamping plate 4, a first spring 51, a second spring 52, a guide rod 6, a first rotating handle 71, a second rotating handle 72, a bidirectional threaded rod 8, a threaded sleeve 9, an adapter rod 10, a carrying block 11, a threaded rod 12, a fixing plate 13, a sliding concave block 14 and a clamping block 15.

Detailed Description

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

As shown in fig. 1-3, the projector fixing mechanism provided by the present invention comprises a bottom case 1 and a carrying case 2 above the bottom case 1, wherein a left wall inside the bottom case 1 is rotatably connected with a bidirectional threaded rod 8, a right end of the bidirectional threaded rod 8 penetrates through a right wall of the bottom case 1 and is fixedly connected with a first rotating handle 71, two threaded sleeves 9 are connected with peripheral threads of the bidirectional threaded rod 8, top portions of the two threaded sleeves 9 are rotatably connected with an adapter rod 10, one end of the adapter rod 10 far away from the threaded sleeves 9 is rotatably connected with a bottom of the carrying case 2, two clamping plates 4 are arranged inside the carrying case 2, one sides of the two clamping plates 4 far away from each other are fixedly connected with a clamping block 15 and two first springs 51, one end of the first springs 51 far away from the clamping plate 4 is fixedly connected with an inner wall of the carrying case 2, a front inner wall and a back inner wall of the carrying case 2 are fixedly connected with a fixing plate 13, the front inner wall and the back inner wall of the carrying box 2 are both connected with a sliding concave block 14 in a sliding way, and a second spring 52 is fixedly connected between the sliding concave block 14 and the fixing plate 13.

In an alternative embodiment, a rectangular guide hole is formed in the top wall of the bottom box 1, the two adapter rods 10 penetrate through the rectangular guide hole, the bottoms of the two thread sleeves 9 are fixedly connected with sliding blocks, and the bottoms of the sliding blocks are slidably connected with the inner wall of the bottom box 1.

It should be noted that the rectangular guide hole and the sliding block both play a role in guiding the threaded sleeve 9.

In an alternative embodiment, the four corners of the bottom of the box carrier 2 are fixedly connected with guide rods 6, and the bottom ends of the guide rods 6 movably penetrate through the top wall of the bottom box body 1 and extend into the bottom box body 1.

It should be noted that the guide bar 6 functions to guide the carriage 2 in height adjustment up and down.

In an alternative embodiment, the four corners of the bottom wall of the carrying box 2 are all connected with screw rods 12 in a threaded manner, the top ends of the screw rods 12 are all rotatably connected with carrying blocks 11, and the bottom ends of the screw rods 12 are all fixedly connected with second rotating handles 72.

It should be noted that the carrier 11, the screw 12, and the second rotating handle 72 function to adjust the angle of the projector body 3.

In an alternative embodiment, the projector body 3 is placed inside the carrying box 2, and the four corners of the bottom box body 1 are fixedly provided with anti-skid feet.

The working principle is as follows: firstly, when the projector body 3 needs to be installed, the projector body 3 is placed above the carrying block 11, the first rotating handle 71 is rotated to drive the two-way threaded rod 8 to rotate, so that the two threaded sleeves 9 are driven to move towards the direction close to or away from each other, the carrying box 2 and the projector body 3 are driven to integrally move up and down under the switching action of the switching rod 10, the purpose of adjusting the height is achieved, after the height is adjusted properly, the second rotating handle 72 is rotated to drive the threaded rod 12 to rotate, the carrying block 11 is driven to ascend or descend, so that the effect of adjusting the angle of the projector body 3 is achieved, after the height and the angle are adjusted well, the sliding concave block 14 is shifted leftwards by hand, the clamping block 15 is separated from the clamping of the sliding concave block 14, under the elastic force of the first spring 51, the two clamping plates 4 clamp and fix the projector body 3, so that the fixed installation of the projector body 3 is achieved, the whole process is simple to operate and convenient to use, and the practicability of the device is improved.

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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A projector fixing mechanism is characterized by comprising a bottom box body (1) and a carrying box (2) arranged above the bottom box body (1), wherein a bidirectional threaded rod (8) is rotatably connected to the left wall inside the bottom box body (1), the right end of the bidirectional threaded rod (8) penetrates through the right wall of the bottom box body (1) and is fixedly connected with a first rotating handle (71), two thread sleeves (9) are connected to the periphery of the bidirectional threaded rod (8) in a threaded manner, the tops of the two thread sleeves (9) are rotatably connected with an adapter rod (10), one end, far away from the thread sleeves (9), of the adapter rod (10) is rotatably connected with the bottom of the carrying box (2), two clamping plates (4) are arranged inside the carrying box (2), one side, far away from each other, of the two clamping plates (4) is fixedly connected with a clamping block (15) and two first springs (51), one end, far away from the clamping plates (4), of the first spring (51) is fixedly connected with the inner wall of the carrying box (2), carry the equal fixedly connected with fixed plate (13) of front inner wall and the back inner wall of box (2), carry the equal sliding connection of front inner wall and the back inner wall of box (2) and have slip concave block (14), just fixedly connected with second spring (52) between slip concave block (14) and fixed plate (13).

2. The fixing mechanism of a projector as claimed in claim 1, wherein the top wall of the base housing (1) is provided with a rectangular guiding hole, and the two adapter rods (10) penetrate through the rectangular guiding hole.

3. The projector fixing mechanism as claimed in claim 1, wherein the bottoms of the two thread sleeves (9) are fixedly connected with a sliding block, and the bottom of the sliding block is slidably connected with the inner wall of the bottom box body (1).

4. The fixing mechanism of a projector as claimed in claim 1, wherein the four corners of the bottom of the carriage (2) are fixedly connected with guide rods (6), and the bottom ends of the guide rods (6) movably penetrate through the top wall of the bottom box (1) and extend into the bottom box (1).

5. The projector fixing mechanism as claimed in claim 1, wherein the four corners of the bottom wall of the carriage (2) are respectively connected with a screw (12) in a threaded manner, the top end of each screw (12) is rotatably connected with a carriage block (11), and the bottom end of each screw (12) is fixedly connected with a second rotating handle (72).

6. The fixing mechanism of a projector according to claim 1, wherein the projector body (3) is placed inside the carrying case (2), and anti-skid feet are fixedly installed at four corners of the bottom case (1).