CN212781646U

CN212781646U - Adjustable connecting mechanism of projection equipment for meeting

Info

Publication number: CN212781646U
Application number: CN202022279110.XU
Authority: CN
Inventors: 邱燕姗
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-03-23
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses an adjustable coupling mechanism of projection equipment for meeting, including placing the case, the front of placing the case articulates there are two chamber doors, and the top of placing the case is provided with slewing mechanism, and the bottom of placing the incasement chamber is provided with places the board, and the bottom of placing the board is provided with moving mechanism, and the both sides of placing the incasement chamber have seted up the bar groove, and the inner wall in two bar grooves is connected with the lead screw, and the outer wall of two lead screws all is connected with first slider, and one side of two first sliders is articulated with the back of chamber door respectively. The utility model discloses utilize chamber door, lead screw, first slider and place the use of board, can utilize the articulated between first slider and the chamber door, when removing first slider, close and open the chamber door, place the board simultaneously and can carry out the removal of certain distance, the working range of the projecting apparatus camera lens of being convenient for does not receive sheltering from, and when the projecting apparatus did not use, can accomodate the protection to the projecting apparatus, reduce the deposition to improve the work efficiency of projecting apparatus.

Description

Adjustable connecting mechanism of projection equipment for meeting

Technical Field

The utility model relates to a projecting apparatus installation technical field, in particular to adjustable coupling mechanism of projection equipment for meeting.

Background

The projecting apparatus can be with the equipment of video image projection to on the curtain, and the multiplex use is on classroom teaching and meeting room, and the projecting apparatus uses the furred ceiling to hang more in the meeting room, carries out fixed connection through a connecting rod between projecting apparatus and the roof.

When the projecting apparatus does not use for a long time, the easy deposition of dust of projecting apparatus camera lens, because the projecting apparatus links to each other with the roof, the position height of placing is higher, uses the unable regular climbing of maintainer to clean and adjust the projecting apparatus, and the projecting apparatus deposition causes the projection picture unclear, has reduced the work availability factor of projecting apparatus.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable coupling mechanism of projection equipment for meeting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable coupling mechanism of projection equipment for meeting, is including placing the case, the front of placing the case articulates there are two chamber doors, the top of placing the case is provided with slewing mechanism, the bottom of placing the incasement chamber is provided with places the board, the bottom of placing the board is provided with moving mechanism, the both sides of placing the incasement chamber have been seted up the bar groove, two the inner wall in bar groove rotates and is connected with the lead screw, two the equal threaded interlude of outer wall of lead screw is connected with first slider, two one side of first slider is articulated with the back of chamber door respectively, two the outer wall of lead screw all alternates with the back of placing the case and rotates and be connected, the back of placing the case is provided with link gear.

Preferably, slewing mechanism includes second servo motor, second servo motor's output shaft is connected with the top transmission of placing the case, second servo motor's top fixedly connected with bracing piece, two second connecting blocks of the top fixedly connected with of bracing piece outer wall, the outer wall of bracing piece rotates through the bearing and is connected with two first connecting blocks, two the equal fixedly connected with connecting rod in bottom of first connecting block, the bottom of connecting rod and the top fixed connection of placing the case.

Preferably, the moving mechanism comprises a second sliding block, a rectangular groove is formed in the bottom end of the inner cavity of the placing box, the inner wall of the rectangular groove is rotatably connected with the outer wall of the screw rod, the outer wall of the screw rod is in threaded penetrating connection with the middle of the second sliding block, and the top end of the second sliding block is fixedly connected with the bottom end of the placing plate.

Preferably, the linkage mechanism comprises a second chain wheel and a first chain wheel, wherein the two ends of the screw rod are fixedly connected with one end of the first chain wheel, one end of the screw rod is fixedly connected with one end of the second chain wheel, the outer wall of the second chain wheel and the outer wall of the first chain wheel are in transmission connection with a chain, the bottom end of the storage box is fixedly connected with a motor base, the top end of the motor base is fixedly connected with a first servo motor, and an output shaft of the first servo motor is in transmission connection with one end of the second chain wheel.

Preferably, the top end of the placing plate is fixedly connected with a fixing block, and a bolt is connected to one side of the fixing block in a threaded inserting mode.

Preferably, one side of each of the two opposite box doors is fixedly connected with a rubber pad.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses utilize the use of chamber door, lead screw, first slider and place the board, can utilize the articulated between first slider and the chamber door, when removing first slider, close and open the chamber door, place the board simultaneously and can carry out the removal of certain distance, the working range of the projecting apparatus camera lens of being convenient for is not sheltered from, when the projecting apparatus does not use, can accomodate the protection to the projecting apparatus, reduce the deposition to improve the work efficiency of projecting apparatus;

(2) the utility model discloses utilize the use of second servo motor, connecting rod, first connecting plate, bearing and bracing piece, can make second servo motor control place the case and carry out the angle transformation, the operating personnel of being convenient for adjusts the input angle of projecting apparatus, improves simultaneously and places the stability of connecting between case and the bracing piece, has further improved the work efficiency of projecting apparatus.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the top cross-sectional structure of the present invention.

Fig. 3 is a schematic side sectional view of the present invention.

Fig. 4 is a schematic view of the back sectional structure of the present invention.

In the figure: 1. placing a box; 2. a box door; 3. placing the plate; 4. a screw rod; 5. a first slider; 6. a first sprocket; 7. a second sprocket; 8. a chain; 9. a second slider; 10. a motor base; 11. a first servo motor; 12. a rubber pad; 13. a second servo motor; 14. a connecting rod; 15. a first connection block; 16. a support bar; 17. a second connecting block; 18. a fixed block; 19. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an adjustable connecting mechanism of a projection device for a conference as shown in figures 1-4, which comprises a placing box 1, two box doors 2 are hinged on the front surface of the placing box 1, a rubber pad 12 is fixedly connected on one opposite side of the two box doors 2, the rubber pad 12 can make the box doors 2 close more tightly, thereby reducing the ash falling condition, a rotating mechanism is arranged on the top end of the placing box 1, a placing plate 3 is arranged at the bottom end of the inner cavity of the placing box 1, a fixed block 18 is fixedly connected on the top end of the placing plate 3, a bolt 19 is threaded and alternately connected on one side of the fixed block 18, the fixed block 18 and the bolt 19 can fix the two sides of the projector, thereby avoiding the projector falling from a high position in the moving process of the placing plate 3, a moving mechanism is arranged at the bottom end of the placing plate 3, strip grooves are arranged on the two sides of the inner cavity of the, the outer walls of the two screw rods 4 are in threaded insertion connection with first sliding blocks 5, one sides of the two first sliding blocks 5 are respectively hinged with the back of the box door 2, the outer walls of the two screw rods 4 are in threaded insertion rotation connection with the back of the placing box 1, and the back of the placing box 1 is provided with a linkage mechanism;

the rotating mechanism comprises a second servo motor 13, the second servo motor 13 is electrically connected with an external power supply through an external second servo motor switch, an operator can conveniently control the switch of the second servo motor 13, the operation safety and convenience are improved, an output shaft of the second servo motor 13 is in transmission connection with the top end of the placing box 1, the top end of the second servo motor 13 is fixedly connected with a supporting rod 16, the top of the outer wall of the supporting rod 16 is fixedly connected with two second connecting blocks 17, the outer wall of the supporting rod 16 is rotatably connected with two first connecting blocks 15 through a bearing, so that the supporting rod 16 does not rotate along with the supporting rod in the rotating process of the placing box 1, meanwhile, the stability of connection between the placing box 1 and the supporting rod 16 is improved, the bottom ends of the two first connecting blocks 15 are fixedly connected with connecting rods 14, and the bottom ends of the connecting rods 14 are fixedly connected with the top end of the placing box 1;

the moving mechanism comprises a second sliding block 9, a rectangular groove is formed in the bottom end of the inner cavity of the placing box 1, the inner wall of the rectangular groove is rotatably connected with the outer wall of the screw rod 4, the outer wall of the screw rod 4 is in threaded penetrating connection with the middle of the second sliding block 9, and the top end of the second sliding block 9 is fixedly connected with the bottom end of the placing plate 3;

the link gear includes second sprocket 7 and first sprocket 6, wherein the one end of two lead screws 4 and the one end fixed connection of first sprocket 6, the one end of one of them lead screw 4 and the one end fixed connection of second sprocket 7, the outer wall transmission of second sprocket 7 and first sprocket 6 is connected with chain 8, place the bottom fixedly connected with motor base 10 of case 1, the first servo motor 11 of top fixedly connected with of motor base 10, first servo motor 11 is through external first servo motor switch and external power source electric connection, be convenient for operating personnel control first servo motor 11's switch, the security and the convenience of operation have been improved, the output shaft of first servo motor 11 is connected with the one end transmission of second sprocket 7.

The utility model discloses the theory of operation: in the process of installing and connecting the projector, the projector is placed on the placing plate 3, the bolt 19 on the fixing block 18 is rotated to clamp two sides of the projector, the second connecting block 17 on the supporting rod 16 is connected with the roof through a fastening bolt, after the connection is finished, the placing angle of the placing box 1 is adjusted by controlling the opening and closing of the second servo motor 13, the adjustment of the showing angle between the projector and the curtain is convenient, when the projector is used, the opening and closing of the first servo motor 11 are opened, the output shaft of the first servo motor 11 drives the second chain wheel 7 to rotate, the two first chain wheels 6 connected through the chain 8 synchronously rotate, three screw rods 4 synchronously rotate, in the rotating process of the screw rods 4, the first sliding blocks 5 in threaded connection with the two screw rods 4 move outwards, so that the box door 2 hinged with the first sliding blocks 5 can be pushed open, meanwhile, the second sliding block 9 connected with the other screw rod 4 can move outwards with the placing plate 3, the projector is moved outwards for a certain distance, the projection range of the lens is prevented from being blocked due to the opening of the box door 2, when the projector is not used, the first servo motor 11 is controlled to be switched on and off, the screw rods 4 are rotated reversely, the box door 2 is closed, meanwhile, the rubber pads 12 between the two box doors 2 can enable the box door 2 to be closed more tightly, and the dust falling condition is reduced.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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

Claims

1. An adjustable connecting mechanism of a conference projection device, which comprises a placing box (1) and is characterized in that, the front surface of the placing box (1) is hinged with two box doors (2), the top end of the placing box (1) is provided with a rotating mechanism, a placing plate (3) is arranged at the bottom end of the inner cavity of the placing box (1), a moving mechanism is arranged at the bottom end of the placing plate (3), the both sides of placing case (1) inner chamber have seted up the bar groove, two the inner wall in bar groove rotates and is connected with lead screw (4), two the equal threaded interlude of outer wall of lead screw (4) is connected with first slider (5), two one side of first slider (5) is articulated with the back of chamber door (2) respectively, two the outer wall of lead screw (4) all alternates with the back of placing case (1) and rotates and be connected, the back of placing case (1) is provided with link gear.

2. The adjustable connecting mechanism of the projection device for the conference as claimed in claim 1, wherein the rotating mechanism comprises a second servo motor (13), an output shaft of the second servo motor (13) is in transmission connection with the top end of the placing box (1), a supporting rod (16) is fixedly connected to the top end of the second servo motor (13), two second connecting blocks (17) are fixedly connected to the top of the outer wall of the supporting rod (16), two first connecting blocks (15) are rotatably connected to the outer wall of the supporting rod (16) through bearings, a connecting rod (14) is fixedly connected to the bottom ends of the two first connecting blocks (15), and the bottom end of the connecting rod (14) is fixedly connected to the top end of the placing box (1).

3. The adjustable connecting mechanism of the projection device for the conference as claimed in claim 1, wherein the moving mechanism comprises a second sliding block (9), a rectangular groove is formed at the bottom end of the inner cavity of the placing box (1), the inner wall of the rectangular groove is rotatably connected with the outer wall of the screw rod (4), the outer wall of the screw rod (4) is in threaded insertion connection with the middle part of the second sliding block (9), and the top end of the second sliding block (9) is fixedly connected with the bottom end of the placing plate (3).

4. The adjustable connecting mechanism of the projection equipment for the conference as claimed in claim 1, wherein the linkage mechanism comprises a second chain wheel (7) and a first chain wheel (6), wherein one end of each of two lead screws (4) is fixedly connected with one end of the first chain wheel (6), one end of one lead screw (4) is fixedly connected with one end of the second chain wheel (7), the outer walls of the second chain wheel (7) and the first chain wheel (6) are in transmission connection with a chain (8), the bottom end of the placing box (1) is fixedly connected with a motor base (10), the top end of the motor base (10) is fixedly connected with a first servo motor (11), and the output shaft of the first servo motor (11) is in transmission connection with one end of the second chain wheel (7).

5. The adjustable connecting mechanism of a projector for conference as claimed in claim 1, wherein a fixing block (18) is fixedly connected to the top end of the placing plate (3), and a bolt (19) is threaded and inserted into one side of the fixing block (18).

6. The adjustable connecting mechanism of a projector for conference as claimed in claim 1, wherein a rubber pad (12) is fixedly connected to each of the opposite sides of the two doors (2).