CN217238596U - Video conferencing system is with projection curtain convenient to remove - Google Patents

Abstract

The utility model discloses a video conferencing system is with projection curtain convenient to remove belongs to projection equipment technical field, include two backup pads and set up in the containing box of backup pad top, two the equal two auto-lock universal wheels of fixedly connected with in bottom of backup pad, left side the fixed surface of backup pad is connected with the support column, right side the fixed surface of backup pad is connected with the storage column, the containing box sets up between support column and storage column, the storage column is close to one side outer wall of containing box and offers the groove of accomodating that is used for accomodating to the containing box, the left side outer wall fixedly connected with connecting rod of containing box, the outside of connecting rod is rotated through the pivot and is connected with the mounting bracket. This video conferencing system is with projection curtain convenient to remove, not only is convenient for remove, and it is more nimble convenient to use, is convenient for protect and accomodate the containing box moreover.

Description

A projection screen that is easy to move for a video conference system

technical field

The utility model belongs to the technical field of projection equipment, in particular to a movable projection screen for a video conference system.

Background technique

Projection curtains are also called projection screens. There are many types of curtains, which are divided into high, medium and low grades, which can be determined according to the occasion. Projection curtains are one of the most commonly used products in the peripheral equipment of projectors. Properly, high-quality projection effects can be obtained. Projection screens can be divided into commercial screens, home screens, engineering screens, teaching screens, etc. according to different uses.

In video conferences, projectors are often used in conjunction with projection screens to explain. In some large companies, there are many conference rooms, but the installation of projection screens in each conference room will increase the cost, so movable projection screens have become more expensive. A good choice, but the existing movable projection screen is inconvenient to store after use, and is easily damaged when subjected to external force.

Utility model content

The purpose of the present utility model is to provide a projection screen that is easy to move for a video conference system, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a projection screen for a video conference system that is easy to move, comprising two support plates and a storage box arranged above the support plates, and the bottoms of the two support plates are fixed. Two self-locking universal wheels are connected, a support column is fixedly connected to the surface of the support plate on the left side, a storage column is fixedly connected to the surface of the support plate on the right side, and the storage box is arranged between the support column and the storage column. During the time, the outer wall of one side of the storage column close to the storage box is provided with a storage slot for storing the storage box, the left outer wall of the storage box is fixedly connected with a connecting rod, and the outside of the connecting rod is rotatably connected with a rotating shaft. Mount.

In a further embodiment, the upper half of the support column is provided with a chute, and the chute of the support column is slidably connected with a connecting column that is fixedly connected to the mounting frame, and the connecting column is fixedly connected at one end away from the support column There is a positioning plate, and a guide plate is slidably connected to the outside of the connecting column.

In a further embodiment, two positioning pins are symmetrically provided on one side of the guide plate close to the support column, and a plurality of positioning holes matching the positioning pins are symmetrically opened on the left outer wall of the support column. A support spring is fixedly connected between the plate and the guide plate.

In a further embodiment, the right outer wall of the storage box is fixedly connected with a positioning column, the left outer wall of the storage column is provided with a positioning groove matching the positioning column, and the top of the storage column is provided with a positioning column. Guide holes connected to the grooves.

In a further embodiment, a fixing pin is slidably connected in the guide hole on the top of the receiving column, a fixing spring is sleeved on the outside of the fixing pin, and a fixing hole matching the fixing pin is formed on the surface of the positioning column.

In a further embodiment, a drive motor is installed on the right inner wall of the storage box, an output shaft of the drive motor is fixedly connected with a winding roller through a coupling, and a curtain body is provided outside the winding roller.

In a further embodiment, the bottom of the screen main body is fixedly connected with a counterweight, and the bottom of the storage box is provided with a through slot for the screen main body to move.

Technical effects and advantages of the present utility model:

The video conference system uses a projection screen that is easy to move. Through the setting of the storage column, after the main body of the screen is used, the storage box can be adjusted to a vertical state, and the storage box can be put into the storage slot of the storage column, and the storage column can be stored at the same time. Fitting with the support column can not only reduce the space occupation, but also provide comprehensive protection for the storage box; through the self-locking universal wheel, the projection screen can be moved more conveniently, and the use is more flexible and convenient, the video conference system Using a projection screen that is easy to move is not only easy to move, but also more flexible and convenient to use, and it is convenient to protect and store the storage box.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged view of A place in Fig. 1 of the utility model;

Fig. 3 is the enlarged view of the place B in Fig. 1 of the utility model;

Fig. 4 is the structural representation of the storage box of the present invention;

5 is a cross-sectional view of the storage box of the present invention.

In the figure: 1. Supporting plate; 11. Self-locking universal wheel; 2. Supporting column; 21. Connecting column; 22. Positioning plate; 23. Guide plate; 24. Positioning pin; 25. Supporting spring; 3. Storage column ; 31, fixed pin; 32, fixed spring; 4, storage box; 41, drive motor; 42, take-up roller; 43, curtain body; 44, counterweight; 45, mounting frame; 46, connecting rod; 47, Positioning post.

Detailed ways

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other instances, some technical features known in the art are not described in order to avoid confusion with the present invention.

In order to facilitate the movement and at the same time to facilitate the protection and storage of the storage box 4, as shown in Figures 1, 2 and 3, there are two support plates 1 in total, and two self-locking plates are fixedly connected to the bottoms of the two support plates 1. Universal wheel 11, a support column 2 is fixedly connected to the surface of the left support plate 1, a storage column 3 is fixedly connected to the surface of the right support plate 1, a storage box 4 is arranged between the support column 2 and the storage column 3, and the storage column 3. The outer wall of one side close to the storage box 4 is provided with a storage slot for storing the storage box 4;

As shown in FIG. 4 , a connecting rod 46 is fixedly connected to the left outer wall of the storage box 4 , and a mounting bracket 45 is connected to the outside of the connecting rod 46 through a rotating shaft, so that the storage box 4 can be easily folded, and the upper half of the support column 2 A chute is provided, and the chute of the support column 2 is slidably connected with a connecting column 21 that is fixedly connected to the mounting frame 45 , and a positioning plate 22 is fixedly connected to the end of the connecting column 21 away from the support column 2 , and the external sliding connection of the connecting column 21 There is a guide plate 23, two positioning pins 24 are symmetrically arranged on the side of the guide plate 23 close to the support column 2, and a plurality of positioning holes matching the positioning pins 24 are symmetrically opened on the left outer wall of the support column 2. A support spring 25 is fixedly connected between the guide plates 23, and the support spring 25 can support the guide plate 23, so that the positioning pin 24 is always inserted in the positioning hole of the support column 2 under the premise of being free from external force;

The right outer wall of the storage box 4 is fixedly connected with a positioning column 47, the left outer wall of the storage column 3 is provided with a positioning groove that matches the positioning column 47, and the top of the storage column 3 is provided with a guide hole communicated with the positioning groove. The column 47 is inserted into the positioning groove of the storage column 3, which can limit the position of the storage box 4. A fixed pin 31 is slidably connected to the guide hole at the top of the storage column 3, and a fixed spring 32 is sleeved on the outside of the fixed pin 31. Both ends of the fixing spring 32 are matched with the receiving column 3 and the fixing pin 31 respectively to prevent the fixing pin 31 from falling off from the receiving column 3, and the surface of the positioning column 47 is provided with a fixing hole matching the fixing pin 31. The fixing pin 31 The position of the storage box 4 can be fixed by being inserted into the fixing hole on the surface of the positioning post 47 .

For the convenience of projection, as shown in FIG. 1 and FIG. 5 , a drive motor 41 is installed on the right inner wall of the storage box 4 , and the output shaft of the drive motor 41 is fixedly connected with a winding roller 42 through a coupling. The left end of the winding roller 42 The surface is rotatably connected to the storage box 4 through bearings. The outside of the winding roller 42 is provided with a curtain body 43, and the bottom of the curtain body 43 is fixedly connected with a counterweight 44. The counterweight 44 can ensure that the curtain body 43 is always in a vertical state, ensuring that For the effect of projection, the bottom of the storage box 4 is provided with a through slot for the movement of the screen main body 43 .

working principle:

The video conference system uses a projection screen that is easy to move. When in use, the device is moved to a designated position through the self-locking universal wheel 11, the driving motor 41 is started, and the winding roller 42 is driven to rotate, so that the screen main body 43 is slowly lowered , project on the screen through the projector, when the meeting is over, start the drive motor 41 again to rewind the screen main body 43, after the screen main body 43 is rolled up, pull the fixing pin 31 upward to make the fixing pin 31 and the positioning post 47 The fixing holes on the upper part are separated, and the receiving column 3 is pulled to separate the positioning column 47 from the receiving column 3, and the receiving box 4 is slowly lowered. status;

Pull the guide plate 23 to separate the positioning pin 24 from the positioning hole on the support column 2, move the guide plate 23 downward, and drive the mounting frame 45 to descend through the connecting column 21, so that the mounting frame 45 is lowered to the storage slot on the storage box 4. At the corresponding position, move the storage column 3 to make the storage column 3 fit with the support column 2. At this time, the storage box 4 is located in the storage slot of the storage column 3, and the self-locking universal wheel 11 is locked to support the two The position of plate 1 is fixed.

Finally, it should be noted that the above descriptions are only the preferred contents of the present invention, and are not intended to limit the present invention.

Claims (7)

1. A projection screen for a video conference system that is easy to move, comprising two support plates (1) and a receiving box (4) arranged above the support plate (1), characterized in that: two described support plates (1) ) are fixedly connected with two self-locking universal wheels (11) at the bottom, the surface of the left support plate (1) is fixedly connected with a support column (2), and the surface of the right support plate (1) is fixed A storage column (3) is connected, the storage box (4) is arranged between the support column (2) and the storage column (3), and the storage column (3) closes to the outer wall of one side of the storage box (4) to provide useful For the storage slot for storing the storage box (4), the left outer wall of the storage box (4) is fixedly connected with a connecting rod (46), and the outside of the connecting rod (46) is rotatably connected with a mounting frame ( 45). 2. A projection screen for a video conference system that is easy to move according to claim 1, characterized in that: the upper half of the support column (2) is provided with a chute, and the chute of the support column (2) A connecting column (21) fixedly connected to the mounting bracket (45) is slidably connected inside, and a positioning plate (22) is fixedly connected to one end of the connecting column (21) away from the support column (2), and the connecting column (21) A guide plate (23) is slidably connected to the outside of the . 3. The projection screen for a video conference system according to claim 2, wherein the guide plate (23) is symmetrically provided with two positioning pins (24) on one side close to the support column (2). ), the left outer wall of the support column (2) is symmetrically provided with a plurality of positioning holes matching the positioning pins (24), and a support spring is fixedly connected between the positioning plate (22) and the guide plate (23). (25). 4. A projection screen for a video conference system that is easy to move according to claim 1, characterized in that: a positioning column (47) is fixedly connected to the right outer wall of the storage box (4), and the storage column ( 3) A positioning groove matching the positioning column (47) is formed on the left outer wall of the receiving column (3), and a guide hole communicated with the positioning groove is formed on the top of the receiving column (3). 5 . The easily movable projection screen for a video conference system according to claim 4 , wherein a fixed pin ( 31 ) is slidably connected in the guide hole at the top of the storage column ( 3 ), and the fixed pin A fixing spring (32) is sleeved on the outside of the (31), and a fixing hole matching the fixing pin (31) is formed on the surface of the positioning post (47). 6 . The easily movable projection screen for a video conference system according to claim 4 , wherein a drive motor ( 41 ) is installed on the right inner wall of the storage box ( 4 ), and the drive motor ( 41 ). ) output shaft is fixedly connected with a winding roller (42) through a coupling, and a screen main body (43) is arranged outside the winding roller (42). 7. A projection screen for a video conference system that is easy to move according to claim 6, characterized in that: the bottom of the screen main body (43) is fixedly connected with a counterweight (44), and the storage box (4) The bottom of the screen is provided with a through groove for the movement of the screen main body (43).

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