Projection placing table for teaching

Abstract

The projection placing table for teaching comprises a table body and a projector, an opening is formed in the table body, a storage box is fixed to the bottom end of the opening of the table body, a square box is fixed to one side of the storage box, a lead screw is rotationally connected into the square box, and a lifting block is connected to the outer portion of the lead screw in a threaded mode. The storage box is installed at the opening in the bottom of the desk body, then the screw rod in the square box is rotated to enable the lifting block to drive the lifting plate to ascend to the highest position, then the placing plate is nailed to the two vertical plates at the top of the lifting plate, and finally the projector is placed on the top face of the placing plate. When the projector is not used, the lead screw is rotated to drive the lifting plate to descend to the lowest position, the sealing plate seals the opening in the table body at the moment, meanwhile, the sealing plate is flush with the surface of the table body to complete storage, the problem that in the prior art, additional placement and taking are inconvenient is solved, and the projector is worthy of application and popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of conference tables, in particular to a projection placement table for teaching. Background Art

[0002] In order to achieve sustainable development, companies need to regularly teach and train their employees to improve their professional skills, knowledge level and work efficiency, thereby enhancing the overall competitiveness of the company.

[0003] The applicant has found through searching that the use of projectors is a common practice in corporate training and teaching. It can greatly improve the training effect and enable employees to understand and master knowledge more deeply. Projectors are mostly placed above the conference table, but the projector is not necessarily used when the conference table is used. At this time, the projector placed on the desktop may hinder the normal use of the conference table. The existing placement table does not have a storage structure, and dust is easily accumulated on the surface of the table for a long time. If the projector is placed in a cabinet, it will be difficult to find it the next time it is used, because different users may place it in different locations.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a projection table for teaching is proposed. Summary of the invention

[0005] The purpose of the utility model is to provide a projection table for teaching, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a table body and a projector, the table body is provided with an opening, a storage box is fixed to the bottom end of the table body opening, a square box is fixed to one side of the storage box, a screw rod is rotatably connected inside the square box, a lifting block is threadedly connected to the outside of the screw rod, a lifting plate is fixed to one side of the lifting block, the lifting plate is located inside the storage box and a placement plate is installed on the vertical plate at the top, sealing plates are fixed to the top surfaces of the support rods at both ends of the top of the placement plate, and the sealing plates are fitted with the inner wall of the opening on the table body when stored, and the projector is installed on the top surface of the placement plate.

[0007] Preferably, the slide plate connected to the lifting block and the lifting plate slides in an opening on one side of the square box storage box, and rubber pads are bonded to the upper and lower sides of the slide plate.

[0008] Preferably, docking plates are fixed on both sides of the storage box, and the docking plates are attached to the bottom surface of the table body and fixed with bolts.

[0009] Preferably, the bottom of the storage box is designed to be open and fitted with a bottom plate, two plug plates on the inner wall of the storage box are inserted into the side openings of the bottom plate, and a stopper is rotatably connected to one side of the storage box, and the stopper is fitted with the side wall of the bottom plate.

[0010] Preferably, a circle of sealing gasket is bonded to the outer wall of the sealing plate, and the sealing gasket is tightly attached to the inner wall of the opening of the table body when stored.

[0011] Preferably, four cylindrical support blocks are evenly fixed to the bottom of the projector, and the support blocks are inserted into the circular holes on the top of the placement plate.

[0012] Preferably, the placement plate is provided with four heat dissipation openings, and the four heat dissipation openings are all located at the bottom surface of the projector.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. When the utility model is used, the storage box is installed at the bottom opening of the table body, and then the screw rod inside the square box is rotated to make the lifting block drive the lifting plate to rise to the highest point, and then the placement plate is nailed to the two vertical plates at the top of the lifting plate, and finally the projector is placed on the top surface of the placement plate. At this time, the projector is located above the table body and can perform projection work. When not in use, the screw rod is rotated to drive the lifting plate to the lowest point, and at this time the sealing plate closes the opening on the table body. At the same time, the sealing plate and the surface of the table body are flush to complete the storage, which solves the inconvenience of requiring additional placement and taking in the prior art, and is worthy of popularization and use.

[0015] 2. The utility model is designed with a block, a bottom plate and an insert plate, so that when the bottom of the storage box needs to be cleaned, or when small objects such as pens are dropped, it is very inconvenient to take or clean them due to the lifting plate. At this time, the block can be rotated to pull the bottom plate out of the two insert plates, which is very convenient. When installing, the bottom plate can be re-engaged with the insert plate, and then the block can be rotated to prevent dust from the bottom.

[0016] 3. When installing the projector, the cylindrical support block at the bottom of the projector is inserted into the circular hole at the top of the placement plate, so as to define the position well and avoid shaking. The heat dissipation port can achieve a good heat dissipation effect when the projector is operating, thereby reducing equipment loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a projection table for teaching. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the overall three-dimensional structure of a projection table for teaching. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the overall cross-sectional structure of a projection table for teaching. Figure 1 ;

[0020] Figure 4This is a schematic diagram of the overall cross-sectional structure of a projection table for teaching. Figure 2 ;

[0021] Figure 5 A three-dimensional structure diagram of a storage box for a projection table for teaching Figure 1 ;

[0022] Figure 6 This is a schematic diagram of a three-dimensional structure of a storage box and a bottom plate of a projection table for teaching;

[0023] Figure 7 This is a schematic diagram of the cross-sectional structure of a storage box for a projection table for teaching;

[0024] Figure 8 A three-dimensional structure diagram of a storage box for a projection table for teaching Figure 1 ;

[0025] Fig. 9 A three-dimensional structure diagram of a storage box for a projection table for teaching Figure 2 .

[0026] In the figure: 1. table body; 2. storage box; 21. square box; 22. screw rod; 23. lifting block; 24. lifting plate; 25. placement plate; 26. closing plate; 27. sealing gasket; 28. bottom plate; 29. ​​stopper; 210. docking plate; 211. bolt; 212. rubber pad; 213. heat dissipation port; 214. plug-in board; 3. projector; 31. support block. DETAILED DESCRIPTION

[0027] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0028] like Figure 1-Figure 9 As shown, it includes a table body 1 and a projector 3. An opening is opened on the table body 1. A storage box 2 is fixed to the bottom end of the opening of the table body 1. A square box 21 is fixed to one side of the storage box 2. A screw rod 22 is rotatably connected inside the square box 21. A lifting block 23 is threadedly connected to the outer side of the screw rod 22. A lifting plate 24 is fixed to one side of the lifting block 23. The lifting plate 24 is located inside the storage box 2 and a placement plate 25 is installed on the vertical plate at the top. Closing plates 26 are fixed to the top surfaces of the support rods at both ends of the top of the placement plate 25, and the closing plate 26 is in contact with the inner wall of the opening on the table body 1 when stored. The projector 3 is installed on the top surface of the placement plate 25.

[0029] As mentioned above, when the utility model is used, the storage box 2 is installed at the bottom opening of the table body 1, and then the screw rod 22 inside the square box 21 is rotated so that the lifting block 23 drives the lifting plate 24 to rise to the highest point, and then the placement plate 25 is nailed to the two vertical plates at the top of the lifting plate 24, and finally the projector 3 is placed on the top surface of the placement plate 25. At this time, the projector 3 is located above the table body 1 and can perform projection work. When not in use, the screw rod 22 is rotated to drive the lifting plate 24 to descend to the lowest point, and at this time the sealing plate 26 closes the opening on the table body 1, and at the same time, the sealing plate 26 and the surface of the table body 1 are flush to complete the storage. The utility model can display and store the projector 3 at will, and it is very convenient and fast to use, which solves the inconvenience of requiring additional placement and taking in the prior art, and is worthy of popularization and use.

[0030] The slide plate connected to the lifting block 23 and the lifting plate 24 slides in the opening on one side of the square box 21, and a rubber pad 212 is bonded to the upper and lower sides of the slide plate.

[0031] As mentioned above, when exhibiting or storing, the slides connected to the lifting block 23 and the lifting plate 24 will contact the upper and lower surfaces of the opening, so the rubber pad 212 can provide a good buffering effect to avoid a large collision caused by excessive movement speed.

[0032] The two sides of the storage box 2 are fixed with docking plates 210 , which are attached to the bottom surface of the table body 1 and fixed with bolts 211 .

[0033] As described above, the storage box 2 can be stably fixed in position by fitting the docking plate 210 to the bottom surface of the table body 1 and then inserting the bolts 211, so that the installation is very fast and the subsequent disassembly and maintenance are also convenient.

[0034] The bottom of the storage box 2 is designed to be open and is fitted with a bottom plate 28. Two plug plates 214 on the inner wall of the storage box 2 are inserted into the side openings of the bottom plate 28. A stopper 29 is rotatably connected to one side of the storage box 2, and the stopper 29 is fitted with the side wall of the bottom plate 28.

[0035] As described above, by designing the block 29, the bottom plate 28 and the plug plate 214, when the bottom of the storage box 2 needs to be cleaned, or when small objects such as pens are dropped, it is very inconvenient to take or clean them due to the lifting plate 24. At this time, the block 29 can be rotated to pull the bottom plate 28 out of the two plug plates 214, which is very convenient. When installing, the bottom plate 28 can be re-engaged with the plug plate 214, and then the block 29 can be rotated to prevent dust from the bottom.

[0036] A circle of sealing gasket 27 is bonded to the outer wall of the sealing plate 26 , and the sealing gasket 27 is in close contact with the inner wall of the opening of the table body 1 when stored.

[0037] As described above, when storing, the sealing gasket 27 on the outer wall of the sealing plate 26 can better fit with the opening of the table body 1, further improving the dustproof effect and preventing dust from entering the interior of the storage box 2.

[0038] Four cylindrical support blocks 31 are evenly fixed on the bottom of the projector 3 , and the support blocks 31 are inserted into the round holes on the top of the placement plate 25 . The placement plate 25 is provided with four heat dissipation openings 213 , and the four heat dissipation openings 213 are all located at the bottom surface of the projector 3 .

[0039] As described above, when installing the projector 3, the cylindrical support block 31 at the bottom of the projector 3 is inserted into the circular hole at the top of the placement plate 25, so as to define the position well and avoid shaking, and the heat dissipation port 213 can achieve a good heat dissipation effect when the projector 3 is in operation, thereby reducing equipment loss.

[0040] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A projection table for teaching, comprising a table body (1) and a projector (3), characterized in that: The table body (1) is provided with an opening, a storage box (2) is fixed at the bottom end of the opening of the table body (1), a square box (21) is fixed on one side of the storage box (2), a screw rod (22) is rotatably connected inside the square box (21), a lifting block (23) is externally threadedly connected to the screw rod (22), a lifting plate (24) is fixed on one side of the lifting block (23), the lifting plate (24) is located inside the storage box (2) and a placement plate (25) is installed on the vertical plate at the top, sealing plates (26) are fixed on the top surfaces of the support rods at both ends of the top of the placement plate (25), and the sealing plate (26) is in contact with the inner wall of the opening on the table body (1) when stored, and the projector (3) is installed on the top surface of the placement plate (25).

2. The projection table for teaching according to claim 1, characterized in that: The slide plate connected to the lifting block (23) and the lifting plate (24) slides in the openings on one side of the square box (21) and the storage box (2), and rubber pads (212) are bonded to the upper and lower surfaces of the slide plate.

3. The projection table for teaching according to claim 1, characterized in that: A docking plate (210) is fixed on both sides of the storage box (2); the docking plate (210) is attached to the bottom surface of the table body (1) and is fixed using bolts (211).

4. The projection table for teaching according to claim 1, characterized in that: The bottom of the storage box (2) is designed to be open and is fitted with a bottom plate (28); two plug plates (214) on the inner wall of the storage box (2) are inserted into the side openings of the bottom plate (28); a stopper (29) is rotatably connected to one side of the storage box (2); and the stopper (29) is fitted with a side wall of the bottom plate (28).

5. The projection table for teaching according to claim 1, characterized in that: A circle of sealing gasket (27) is bonded to the outer wall of the sealing plate (26), and the sealing gasket (27) is in close contact with the inner wall of the opening of the table body (1) when stored.

6. The projection table for teaching according to claim 1, characterized in that: Four cylindrical support blocks (31) are evenly fixed on the bottom of the projector (3), and the support blocks (31) are inserted into the circular holes on the top of the placement plate (25).

7. The projection table for teaching according to claim 6, characterized in that: The placement plate (25) is provided with four heat dissipation openings (213), and the four heat dissipation openings (213) are all located at the bottom surface of the projector (3).

Images