CN210781790U - Lifting type multimedia equipment - Google Patents

Abstract

The utility model discloses a lift-type multimedia device, comprising a projector and a storage box for accommodating the projector. The upper side wall of the storage box is provided with an opening, and a rotating rod is arranged in the opening, and the rotating rod A cover plate matching the opening is fixed on the outer wall of the storage box, a motor is fixed on the inner wall of the storage box, and a rotating rod is fixed on the driving end of the motor, and the rotating rod is welded by two screw rods with opposite screw threads. A ball nut is slid on the outer wall of each of the screw rods, a slider is fixed on the outer wall of the ball nut, the upper ends of the two sliders are rotatably connected with a support rod, and the two support rods A mounting plate is jointly rotatably connected to the ends of the projector, the projector is located on the upper side of the mounting plate, and a clamping mechanism is arranged between the mounting plate and the projector. The utility model realizes the lifting and lowering adjustment of the projector through the rotation of the motor, realizes the storage of the projector, avoids dust falling or collision, and is convenient and practical.

Description

A lift-type multimedia device

technical field

The utility model relates to the technical field of multimedia equipment, in particular to a lift-type multimedia equipment.

Background technique

Multimedia equipment refers to the equipment that can realize the transmission of various media forms such as text, sound and image. The technology of real-time information exchange between the senses and the computer. The content displayed and carried by multimedia equipment is actually the product of computer technology.

Traditional multimedia devices, such as projectors, are directly placed on the desktop, which is more likely to collide with the outside world or slip off, and is easy to fall off dust, which requires manual cleaning.

Utility model content

The purpose of the utility model is to propose a lift-type multimedia device in order to solve the problems in the background technology.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A lift-type multimedia device includes a projector and a storage box for accommodating the projector, the upper side wall of the storage box is provided with an opening, the opening is provided with a rotating rod, and the outer wall of the rotating rod is fixed with an opening. A cover plate that matches the opening, a motor is fixed on the inner wall of the storage box, and a rotating rod is fixed on the driving end of the motor. A ball nut is slid on the outer wall of the screw rod, a slider is fixed on the outer wall of the ball nut, the upper ends of the two sliders are rotatably connected with a support rod, and the ends of the two support rods rotate together An installation plate is connected, the projector is located on the upper side of the installation plate, a clamping mechanism is arranged between the installation plate and the projector, and a linkage mechanism connected with the rotating rod is arranged in the storage box.

Preferably, the clamping mechanism includes two clamping plates rotatably connected to the upper side of the mounting plate, the lower side wall of the mounting plate is fixed with a telescopic rod whose driving end is vertically downward, and the middle parts of the two clamping plates are rotatably connected There are connecting rods, and both ends of the two connecting rods are rotatably connected with the driving end of the telescopic rod.

Preferably, two through grooves are symmetrically opened on the mounting plate, and the lower ends of the two connecting rods are disposed through one of the through grooves.

Preferably, the linkage mechanism includes a worm inserted into the inner wall of the storage box, a pulley is fixed on the worm and the outer wall of the screw located on the lower side of the worm, and a belt is jointly sleeved between the two pulleys, so A fixed rod is inserted on the inner wall of the storage box, the end of the fixed rod is installed with a worm wheel meshing with the worm, and the outer wall of the rotating rod is provided with annularly distributed saw teeth meshing with the worm wheel.

Preferably, the first bearing is fixedly embedded in the inner wall of the storage box, the end of the worm is fixed in the first bearing, and the end of the worm located in the first bearing has a smooth outer surface.

Preferably, the second bearing is fixed on the end of the fixing rod, and the worm gear is fixed on the outer wall of the second bearing.

Compared with the prior art, the advantages of the lift-type multimedia device are:

1. The rotating rod is driven to rotate by the motor, and through the cooperation of the ball nut and the screw rod, the two sliders can move to the inside in the same direction or move to the outside in the opposite direction, so as to realize the gathering or pulling of the two support rods, and realize the installation plate and projection. height adjustment of the instrument;

2. Set up a telescopic rod, a splint and a connecting rod. The driving end of the telescopic rod drives the lower end of the connecting rod to move down, and the upper end of the connecting rod pulls the splint to rotate inward to clamp and fix the projector to ensure the stability of the projector;

3. Set the belt to drive the worm to rotate through the linkage of the belt, and then drive the worm wheel and the rotating rod to rotate, so as to realize the opening of the cover and avoid the collision between the projector and the cover;

To sum up, the utility model realizes the lifting and lowering adjustment of the projector through the rotation of the motor, realizes the storage of the projector, avoids dust fall or collision, and is convenient and practical.

Description of drawings

Fig. 1 is the structural representation of a kind of lift-type multimedia equipment proposed by the utility model;

2 is a top view of a mounting plate in a lift-type multimedia device proposed by the present invention.

In the picture: 1 storage box, 2 mounting plate, 3 projector, 4 splint, 5 connecting rod, 6 telescopic rod, 7 motor, 8 screw rod, 9 slider, 10 support rod, 11 belt, 12 worm, 13 bearing 1 , 14 worm gear, 15 sawtooth, 16 cover plate, 17 through slot.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-2, a lift-type multimedia device includes a projector 3 and a storage box 1 for accommodating the projector 3. The upper side wall of the storage box 1 is provided with an opening, and the opening is provided with a rotating rod. A cover plate 16 that matches the opening is fixed on the outer wall. After the cover plate 16 is closed, it can protect the projector 3 from falling ash or colliding with it. A motor 7 is fixed on the inner wall of the storage box 1. Further, the motor 7 ADR-A type servo motor can be used, the driving end of the motor 7 is fixed with a rotating rod, and the rotating rod is composed of two screw rods 8 with opposite thread rotation directions. A sliding block 9 is fixed on the outer wall of the nut, and the upper ends of the two sliding blocks 9 are connected with a support rod 10 in rotation. On the side, the driving end of the motor 7 drives the rotating rod to rotate. Since the threads of the two screw rods 8 are in opposite directions, the two sliders 9 can move in the same direction or move in the opposite direction to the outside through the cooperation of the ball nut and the screw rod 8. When When the two sliders 9 move inward, the lower ends of the two struts 10 move inward to support them, and the upper ends push up the mounting plate 2, which in turn pushes up the projector 3. When the driving end of the motor 7 is reversed, the two When the sliders 9 are kept away, the height of the mounting plate 2 can be lowered, thereby realizing the lifting and lowering adjustment of the projector 3 .

A clamping mechanism is provided between the mounting plate 2 and the projector 3. The clamping mechanism includes two clamping plates 4 that are rotatably connected to the upper side of the mounting plate 2. The lower side wall of the mounting plate 2 is fixed with a vertically downward telescopic drive end. Rod 6, the telescopic rod 6 can use a common air cylinder or oil cylinder, the middle of the two clamping plates 4 are connected with a connecting rod 5 in rotation, and the ends of the two connecting rods 5 are rotatably connected with the driving end of the telescopic rod 6, on the mounting plate 2 Two through-slots 17 are symmetrically opened, and the lower ends of the two connecting rods 5 are set through one of the through-slots 17. The through-slot 17 is provided for the movement of the connecting rod 5, and the projector 3 is placed between the two splints 4, Activate the telescopic rod 6 , the driving end of the telescopic rod 6 drives the lower end of the connecting rod 5 to move downward, and the upper end of the connecting rod 5 pulls the splint 4 to rotate inward to clamp and fix the projector 3 .

The storage box 1 is provided with a linkage mechanism connected with the rotating rod. The linkage mechanism includes a worm 12 inserted into the inner wall of the storage box 1. The inner wall of the storage box 1 is fixedly embedded with a bearing 13, and the end of the worm 12 is fixed on the bearing. In one 13, one end of the worm 12 located in the bearing one 13 has a smooth outer surface, and a pulley is fixed on the outer wall of the worm 12 and the screw 8 located on the lower side thereof, and a belt 11 is jointly sleeved between the two pulleys, The belt 11 can be a common motor belt, a fixed rod is inserted on the inner wall of the storage box 1, the end of the fixed rod is installed with a worm wheel 14 that engages with the worm 12, the end of the fixed rod is fixed with a bearing two, and the worm wheel 14 is fixed On the outer wall of the second bearing, the outer wall of the rotating rod is provided with circularly distributed saw teeth 15 that mesh with the worm wheel 14. To ensure the meshing with the worm wheel 14, the teeth 15 and the rack of the outer wall of the worm wheel 14 have the same spacing and inclination. , while the rotating rod rotates, the worm 12 is driven to rotate by the belt 11, the worm wheel 14 is driven to rotate through the meshing of the worm 12 and the worm wheel 14, and the rotating rod is driven to rotate counterclockwise through the teeth 15 meshing with the worm wheel 14, so that the cover The plate 16 is turned to the outside to open, which prevents the projector 3 from being lifted up and colliding with the cover plate 16 , thereby preventing the projector 3 from being damaged again.

It is further stated that the above-mentioned fixed connection should be understood in a broad sense unless otherwise specified and limited. For example, it may be welding, gluing, or a conventional means known to those skilled in the art, such as integral molding.

The operating principle of the present utility model is now described as follows:

Place the projector 3 on the mounting plate 2 between the two plywoods 4, the driving end of the telescopic rod 6 stretches out, and drives the lower end of the connecting rod 5 to move down, and the other end of the connecting rod 5 drives the plywood 4 to rotate inward and The outer wall of the projector 3 is tightly pressed to complete the fixing of the projector 3. When the projector 3 is pushed out, the driving end of the motor 7 drives the rotating rod to rotate. Since the threads of the two screw rods 8 are rotated in opposite directions, the ball nut and the The cooperation of the screw rod 8 enables the two sliders 9 to move inward in the same direction or to the outside in the opposite direction. When the two sliders 9 move inward, the lower ends of the two support rods 10 move inward to support, and the upper ends of the mounting plate 2 Jack up, while the rotating rod rotates, the worm 12 is driven to rotate through the linkage action of the belt 11, and then the worm wheel 14 is driven to rotate, and the rotating rod is driven to rotate counterclockwise through the sawtooth 15 meshing with the worm wheel 14, so that the cover plate 16 Rotate to the outside to open.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. The lifting type multimedia equipment comprises a projector (3) and a containing box (1) used for containing the projector (3), and is characterized in that an opening is formed in the upper side wall of the containing box (1), a rotating rod is arranged in the opening, a cover plate (16) matched with the opening is fixed on the outer wall of the rotating rod, a motor (7) is fixed on the inner wall of the containing box (1), the rotating rod is fixed at the driving end of the motor (7), the rotating rod is formed by welding two screw threads (8) with opposite rotating directions, a ball nut slides on the outer wall of each screw thread (8), a sliding block (9) is fixed on the outer wall of each ball nut, the upper ends of the two sliding blocks (9) are rotatably connected with supporting rods (10), the end parts of the two supporting rods (10) are rotatably connected with a mounting plate (2) together, the projector (3) is located on the upper side of the mounting plate (2), be equipped with fixture between mounting panel (2) and projecting apparatus (3), be equipped with the link gear who is connected with the bull stick in containing box (1).

2. The lifting multimedia device as claimed in claim 1, wherein the clamping mechanism comprises two clamping plates (4) rotatably connected to the upper side of the mounting plate (2), a telescopic rod (6) with a vertically downward driving end is fixed to the lower side wall of the mounting plate (2), a connecting rod (5) is rotatably connected to the middle of each of the two clamping plates (4), and the end of each of the two connecting rods (5) is rotatably connected to the driving end of the telescopic rod (6).

3. The lifting multimedia device as claimed in claim 2, wherein the mounting plate (2) has two through slots (17) symmetrically formed therein, and the lower ends of the two connecting rods (5) are disposed through one of the through slots (17).

4. The lifting multimedia device of claim 1, wherein the linkage mechanism comprises a worm (12) inserted into the inner wall of the storage box (1), belt pulleys are fixed on the outer walls of the worm (12) and a screw rod (8) located at the lower side of the worm (12), a belt (11) is sleeved between the two belt pulleys, a fixing rod is inserted into the inner wall of the storage box (1), a worm wheel (14) meshed with the worm (12) is installed at the end of the fixing rod, and saw teeth (15) which are meshed with the worm wheel (14) and distributed in an annular shape are arranged on the outer wall of the rotating rod.

5. The lifting multimedia device as claimed in claim 4, wherein a first bearing (13) is fixedly embedded on the inner wall of the storage box (1), the end of the worm (12) is fixed in the first bearing (13), and the end of the worm (12) in the first bearing (13) is a smooth outer surface.

6. The lifting multimedia device as claimed in claim 4, wherein a second bearing is fixed to an end of the fixing rod, and the worm gear (14) is fixed to an outer wall of the second bearing.

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