CN216719266U - Display device - Google Patents

Abstract

The utility model discloses a display device, comprising two triangular support legs, the top of the two triangular support legs is provided with a guide mechanism, the top of the guide mechanism is provided with a display mechanism, and the top of the display mechanism is provided with a projection screen The display mechanism includes a first display board, a second display board is arranged in front of the first display board, a magnetic plate is fixed on the surface of the first display board and the surface of the second display board, and the projection screen mechanism includes a storage box A storage slot is opened inside the storage box, and a projection screen storage shaft is inserted into the storage slot. In the present invention, a first display board and a second display board are provided to display more data, the second display board is stored to the front of the first display board through a guide groove, and a magnetic board is provided to display more data. Data sheets are posted on the first display board and the second display board to facilitate the display of different auxiliary data and are more convenient to use.

Description

a display device

technical field

The utility model relates to the technical field of display appliances, in particular to a display device.

Background technique

Economics is a theory that studies the laws of human economic activities, that is, the laws of value creation, transformation, and realization—the laws of economic development. It is divided into two types: political economics and scientific economics. There will be economics subjects in comprehensive universities.

In the process of economics teaching, the information is displayed on the blackboard, but the blackboard cannot be moved, which leads to the restriction of the teaching place. However, the display function of the existing display board is relatively simple, and the amount of displayed data is limited. There are also some display board functions. More, the structure is complex, the cost is high, it is not conducive to mass promotion, and it is not convenient to use.

Utility model content

The purpose of the utility model is to solve the problem that the display function of the existing display board is relatively single, and the amount of display data is limited, and other display boards have many functions, complex structure, high cost, which is not conducive to mass promotion, and is not convenient to use. The shortcomings of the proposed display device.

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

A display device comprises two triangular-shaped support legs, the top of the two triangular-shaped support legs is provided with a guide mechanism, the top of the guide mechanism is provided with a display mechanism, and the top of the display mechanism is provided with a projection Curtain mechanism, the display mechanism includes a first display board, a second display board is arranged directly in front of the first display board, and the surface of the first display board and the surface of the second display board are fixedly provided with Magnetic plate.

As a further description of the above technical solutions:

The projection screen mechanism includes a storage box, a storage slot is opened inside the storage box, a projection screen storage shaft is inserted into the inside of the storage slot, and an end of one end of the projection screen storage shaft is fixedly provided with a limit plate, A projection screen output port is opened at the bottom of the front side of the projection screen storage shaft, and a projection screen is provided on the winding roller inside the projection screen storage shaft. The end of the projection screen extending out of the projection screen output port is fixed A limit bar is provided, and one end of the projection screen receiving shaft is provided with a projection screen retracting rope.

As a further description of the above technical solutions:

The top of one end of the storage box is provided with a bolt hole, the top of the limiting plate is inserted and connected with a screw rod, one end of the screw rod is fixed with a handle, and the screw rod is threadedly connected with the bolt hole.

As a further description of the above technical solutions:

The diameter of the limiting plate is larger than the diameter of the projection screen accommodating shaft, and both the projection screen accommodating shaft and the limiting plate are made of an aluminum alloy material.

As a further description of the above technical solution:

The guide mechanism includes a guide plate, the first display plate is fixed between one side of the top end of the guide plate and one side of the bottom end of the storage box, and a guide groove is opened in the middle of the top end of the guide plate, so the The guide groove is slidably connected with the bottom end of the second display board, a tool groove is formed on the other side of the top end of the guide plate, and a groove is formed on one end of the front face of the tool groove.

As a further description of the above technical solutions:

The bottom end of the guide plate is fixedly connected with the top end of the support leg, the two sides of the bottom end of the support leg are provided with universal wheels, and the depth of the groove is equal to the depth of the tool groove.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

1. In this utility model, the projection screen storage shaft is stored in the storage slot inside the storage box, which is convenient to carry and easy to use. The projection screen storage shaft is extracted through the provided limit plate, which saves time and effort. The plate is threadedly connected with the bolt hole, which plays a better role in stabilizing the storage shaft of the projection screen, and the projection screen is used for projection.

2. In the present invention, a first display board and a second display board are provided to display more data. The second display board is stored to the front of the first display board through the guide groove. Data sheets can be posted on the first display board and the second display board, which facilitates the display of different auxiliary data and is more convenient to use.

3. In the utility model, the tool groove is provided for storing chalk, books, blackboard erasers, etc., and the groove is provided to facilitate cleaning of impurities in the tool groove. The overall structure is simple, easy to move, and easy to carry out in different places. Display, the overall structure is simple, the function is rich, the cost is low, the practicability is strong, and it is easy to promote.

Description of drawings

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

Fig. 2 is the structural representation of the unfolding of the display board in the utility model;

3 is a schematic structural diagram of the unfolded projection screen in the utility model;

Fig. 4 is the enlarged structural schematic diagram of the A in the utility model.

illustration:

1. Display mechanism; 101, First display board; 102, Second display board; 103, Magnetic board; 2, Projection screen mechanism; 201, Storage box; 202, Storage slot; 203, Projection screen storage shaft; 204, Limit Position plate; 205, bolt hole; 206, screw; 207, handle; 208, projection screen output port; 209, projection screen; 210, limit bar; 211, projection screen retraction rope; 3, guide mechanism; 301, guide plate 302, guide groove; 303, tool groove; 304, groove; 4, support leg; 5, universal wheel.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

1-4, a display device includes two triangular support legs 4, the top of the two triangular support legs 4 is provided with a guide mechanism 3, the top of the guide mechanism 3 is provided with a display mechanism 1, the display mechanism The top of the 1 is provided with a projection screen mechanism 2. The display mechanism 1 includes a first display board 101. A second display board 102 is provided directly in front of the first display board 101. The surface of the first display board 101 and the second display board 102. The magnetic plate 103 is fixed on the surface. The first display plate 101 and the second display plate 102 are used to display more data. There is a magnetic board 103, which can post data sheets on the first display board 101 and the second display board 102, so as to facilitate the display of different auxiliary data, and it is more convenient to use.

Further, the projection screen mechanism 2 includes a storage box 201, a storage slot 202 is opened inside the storage box 201, a projection screen storage shaft 203 is inserted into the storage slot 202, and a limit is fixed at one end of the projection screen storage shaft 203. Plate 204, a projection screen output port 208 is opened at the bottom of the front of the projection screen storage shaft 203, and a projection screen 209 is provided on the winding roller inside the projection screen storage shaft 203, and the projection screen 209 extends out of the end of one end of the projection screen output port 208 A limit bar 210 is fixed, and one end of the projection screen storage shaft 203 is provided with a projection screen retracting rope 211. The projection screen storage shaft 203 is pulled out from the storage slot 202 in the storage box 201, and the projection screen is easily retracted through the projection screen retracting rope 211. 209 , the projection screen 209 is output from the projection screen output port 208 on the projection screen receiving shaft 203 , and the limit bar 210 serves as a limit for retracting the projection screen 209 .

Further, the top of one end of the storage box 201 is provided with a bolt hole 205, the top of the limit plate 204 is inserted and connected with a screw 206, one end of the screw 206 is fixed with a handle 207, the screw 206 is screwed with the bolt hole 205, and the screw 206 is connected with the bolt. The holes 205 are threadedly connected to limit the position of the limiting plate 204 to prevent the projection screen accommodating shaft 203 from slipping out accidentally when the utility model is being transported, and it is safer to use.

Further, the diameter of the limiting plate 204 is larger than the diameter of the projection screen receiving shaft 203 . The projection screen receiving shaft 203 and the limiting plate 204 are both made of aluminum alloy material, which is lighter in material and reduces the total weight of the utility model.

Further, the guide mechanism 3 includes a guide plate 301. A first display plate 101 is fixed between one side of the top end of the guide plate 301 and one side of the bottom end of the storage box 201. The groove 302 is slidably connected to the bottom end of the second display board 102 , a tool groove 303 is formed on the other side of the top of the guide plate 301 , a groove 304 is formed on the front end of the tool groove 303 , and the second display board 102 is in the guide groove 302 By sliding, it is convenient to expand the second display board 102 for displaying more data.

Further, the bottom end of the guide plate 301 is fixedly connected with the top end of the support leg 4, the two sides of the bottom end of the support leg 4 are provided with universal wheels 5, and the depth of the groove 304 is equal to the depth of the tool groove 303. 5. Easy to move, save time and effort.

Working principle: When in use, the utility model is first moved to the display place through the universal wheel 5, the second display board 102 is pulled out from the guide groove 302 according to the needs, and the first display board 101 and the second display board 102 are pulled out through the first display board 101 and the second display board 102. , used to display more data, by providing the magnetic plate 103, data sheets can be posted on the first display board 101 and the second display board 102, which is convenient for displaying different auxiliary data. When the projector needs to be used, the handle 207 Rotate the screw 206 to make the screw 206 rotate out of the bolt hole 205, take out the projection screen storage shaft 203 stored in the storage slot 202 through the limit plate 204, and easily shrink the projection screen 209 through the projection screen retraction rope 211. The projection screen output port 208 on the screen storage shaft 203 outputs the output, and the limit bar 210 plays a limiting role in shrinking the projection screen 209. After the end of use, the second display board 102 and the projection screen storage shaft 203 are reset. In the process of the utility model, items such as chalk are placed in the tool slot 303, which is convenient for the user to take, saves time and effort, and thus completes the working principle of the present utility model.

Claims (6)

1. A display device comprising two triangular-shaped support legs (4), characterized in that, the top ends of the two triangular-shaped support legs (4) are provided with a guide mechanism (3), and the guide mechanism ( 3) A display mechanism (1) is provided at the top of the display mechanism (1), a projection screen mechanism (2) is provided at the top of the display mechanism (1), and the display mechanism (1) includes a first display board (101), the first A second display board (102) is arranged directly in front of the display board (101), and a magnetic board (103) is fixed on the surface of the first display board (101) and the surface of the second display board (102). 2. A display device according to claim 1, characterized in that: the projection screen mechanism (2) comprises a storage box (201), and a storage slot (202) is opened inside the storage box (201), A projection screen receiving shaft (203) is inserted into the inside of the receiving groove (202), a limit plate (204) is fixedly arranged at one end of the projection screen receiving shaft (203), and the projection screen receiving shaft (203) ) is provided with a projection screen output port (208) at the bottom of the front side, a projection screen (209) is provided on the winding roller inside the projection screen storage shaft (203), and the projection screen (209) extends out of the projection screen One end of the output port (208) is fixedly provided with a limit bar (210), and one end of the projection screen receiving shaft (203) is provided with a projection screen retracting rope (211). 3. A display device according to claim 2, characterized in that a bolt hole (205) is opened at the top of one end of the storage box (201), and a screw is inserted and connected to the top of the limit plate (204). (206), one end of the screw rod (206) is fixedly provided with a handle (207), and the screw rod (206) is threadedly connected to the bolt hole (205). 4. A display device according to claim 2, characterized in that: the diameter of the limiting plate (204) is larger than the diameter of the projection screen storage shaft (203), and the projection screen storage shaft (203) and the limiting plate (204) are both made of aluminum alloy material. 5. A display device according to claim 2, characterized in that: the guide mechanism (3) comprises a guide plate (301), one side of the top of the guide plate (301) and the storage box (201) The first display board (101) is fixed between one side of the bottom end of the ), a guide groove (302) is opened in the middle of the top of the guide board (301), and the guide groove (302) is connected to the second The bottom end of the display board (102) is slidably connected, the other side of the top of the guide plate (301) is provided with a tool slot (303), and one end of the front face of the tool slot (303) is provided with a groove (304). 6. A display device according to claim 5, characterized in that: the bottom end of the guide plate (301) is fixedly connected with the top end of the support leg (4), and the bottom end of the support leg (4) is fixedly connected. Universal wheels (5) are provided on both sides, and the depth of the groove (304) is equal to the depth of the tool groove (303).

Images