Student experiment table convenient for teaching display

Abstract

The utility model discloses a student experiment table convenient for teaching demonstration, and relates to the technical field of experiment tables, the student experiment table comprises a table plate, a support frame is fixed on the bottom of the table plate, a displacement mechanism is fixed on the right side of the table plate, the top of the displacement mechanism is rotatably connected with a camera, a fixing ring is arranged in the support frame, and the camera is rotatably connected with the displacement mechanism. Connecting rods are fixed to the front surface and the rear surface of the fixing ring correspondingly. According to the student experiment table convenient for teaching display, by arranging the displacement mechanism, a first motor is started, the first motor drives a screw rod to rotate, the screw rod rotates to enable a moving block to move, the moving block drives a rotating cylinder, a rotating block, a moving rod and a camera to move, a second motor is started, and the second motor drives the rotating cylinder to rotate through a first gear and a first tooth groove; the rotating drum drives the moving rod and the camera to rotate, a third motor is started, the third motor enables the moving rod and the camera to ascend and descend through a second gear and a second tooth groove, in this way, the position of the camera can be adjusted, and the shooting experiment process can be conveniently carried out for screen projection display.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental tables, in particular to a student experimental table that is convenient for teaching and demonstration. Background Art

[0002] When conducting experimental teaching, students generally need to go to a special laboratory for classes; in the laboratory, there are generally several laboratory tables, which can facilitate teachers and students to conduct experiments or place various experimental tools, and are widely used in students' teaching work.

[0003] After searching, the existing patent (publication number: CN209155906U) discloses a laboratory table, including a carrier assembly, a first support assembly connected to the carrier assembly, a second support assembly connected to the carrier assembly, and a plurality of locker tubes connected to the carrier assembly; the carrier assembly includes a panel and a crossbar connected to the lower side of the panel; the first support assembly includes a first upper bracket connected to the panel, and a first lower bracket pivotally connected to the first upper bracket; the second support assembly includes a second upper bracket connected to the panel, and a second lower bracket pivotally connected to the second upper bracket; the crossbar is arranged between the first upper bracket and the second upper bracket; the locker tube is connected to the crossbar; and a receiving groove is arranged on the opening side of the locker tube. By arranging the receiving groove on the opening side of the locker tube, after completing the experiment, by embedding the support rod into the receiving groove and accommodating the stool board into the locker tube, the locker tube can be used to carry the stool, so that the bottom of the stool is off the ground, thereby facilitating the floor cleaning work in the laboratory.

[0004] The storage cabinet tube is provided with a receiving groove on the opening side thereof, so that during the experimental class, students can put the books upside down in the storage cabinet tube. After finishing the experimental class, the storage cabinet tube can be used to carry the stool by embedding the supporting rod into the receiving groove and placing the stool board into the storage cabinet tube, so that the bottom of the stool can leave the ground, thereby facilitating the floor cleaning of the laboratory. However, the storage cabinet tube has its shortcomings, such as being inconvenient for display and having limitations for teaching. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a student experiment table which is convenient for teaching and demonstration, and solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a student experiment table that is convenient for teaching and demonstration, including a table top, a support frame is fixed at the bottom of the table top, a displacement mechanism is fixed to the right side of the table top, a camera is rotatably connected to the top of the displacement mechanism, a fixing ring is provided inside the support frame, connecting rods are fixed to the front and rear surfaces of the fixing ring, the other ends of the two connecting rods are fixedly connected to the front and rear surfaces of the inner part of the support frame, a support rod is slidably connected to the inside of the fixing ring, a lifting mechanism is fixed to the left side of the support rod, a universal wheel is installed at the bottom of the lifting mechanism, and a seat plate is fixed to the top of the lifting mechanism.

[0007] Preferably, the displacement mechanism includes a fixed frame, the internal rotation of the fixed frame is connected to a screw, the outer wall of the screw is screwed with a moving block, the internal rotation of the moving block is connected to a rotating drum, the internal sliding of the rotating drum is connected to a moving rod, the top of the moving rod is fixed with a fixed frame, the internal rotation of the fixed frame is connected to the camera, the front surface of the fixed frame is provided with a first motor, the output shaft of the first motor passes through the fixed frame and is fixedly connected to the front end of the screw.

[0008] Preferably, a second motor is fixed to the front surface of the moving block, an output shaft of the second motor passes through the moving block and is fixed with a first gear, an outer side wall of the rotating drum is provided with a first tooth groove, and the first gear is meshingly connected with the first tooth groove.

[0009] Preferably, a rotating block is fixed at the bottom of the rotating drum, a third motor is fixed on the right side of the rotating block, an output shaft of the third motor passes through the rotating block and is fixed with a second gear, a second tooth groove is opened on the outer wall of the moving rod, and the second tooth groove is meshingly connected with the second gear.

[0010] Preferably, the lifting mechanism includes a fixed cylinder, the right side of the fixed cylinder is fixedly connected to the left end of the support rod, a movable rod is provided inside the fixed cylinder, the top of the movable rod is fixedly connected to the bottom of the seat plate, storage holes are provided on the front and rear surfaces of the interior of the movable rod, a spring is fixed inside the storage hole, a clamping block is fixed to the other end of the spring, and ratchet grooves are provided on the front and rear surfaces of the interior of the fixed cylinder.

[0011] Preferably, a movable groove is provided at the bottom of the seat plate, a movable plate is slidably connected inside the movable groove, a pull rope is fixed to one end of the clamping block close to the spring, and the other end of the pull rope is fixedly connected to the bottom of the movable plate.

[0012] The utility model provides a student experiment table that is convenient for teaching and demonstration. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The student experiment table which is convenient for teaching and demonstration is provided with a displacement mechanism. The first motor is started, and the first motor drives the screw to rotate. The screw rotation causes the moving block to move. The moving block drives the rotating drum, the rotating block, the moving rod and the camera to move. The second motor is started, and the second motor drives the rotating drum to rotate through the first gear and the first tooth groove. The rotating drum drives the moving rod and the camera to rotate. The third motor is started, and the third motor drives the moving rod and the camera to rise and fall through the second gear and the second tooth groove. In this way, the position of the camera can be adjusted, which is convenient for shooting the experimental process for screen projection display.

[0014] 2. The student experiment table, which is convenient for teaching and demonstration, is provided with a lifting mechanism and a seat plate. The seat plate can be moved out of the table plate by pulling the seat plate, and the experimenter can sit down. The seat plate can also be pulled to rise with the movable rod, and the card block is inserted into the ratchet groove, so that the height of the seat plate can be adjusted to adapt to experimenters of different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0017] Figure 3 For this utility model Figure 2 The structural diagram at A in the middle;

[0018] Figure 4 It is a cross-sectional structural schematic diagram of the seat in the utility model;

[0019] Figure 5 It is a side structural schematic diagram of the second motor in the utility model.

[0020] In the figure: 1. first motor; 2. moving rod; 3. rotating block; 4. supporting frame; 5. third motor; 6. second motor; 7. moving block; 8. fixing frame; 9. camera; 10. displacement mechanism; 11. fixing frame; 12. screw; 13. seat plate; 14. movable groove; 15. moving plate; 16. fixing ring; 17. universal wheel; 18. movable rod; 19. lifting mechanism; 20. connecting rod; 21. second tooth groove; 22. second gear; 23. rotating drum; 24. first tooth groove; 25. block; 26. storage hole; 27. spring; 28. fixing drum; 29. ​​ratchet groove; 30. pull rope; 31. first gear; 32. supporting rod; 33. table top. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 and 5 The utility model provides a technical solution: a student experimental table convenient for teaching and display, including a table board 33, a support frame 4 is fixed at the bottom of the table board 33, a displacement mechanism 10 is fixed on the right side of the table board 33, a camera 9 is rotatably connected to the top of the displacement mechanism 10, a fixing ring 16 is provided inside the support frame 4, connecting rods 20 are fixed to the front and rear surfaces of the fixing ring 16, the other ends of the two connecting rods 20 are fixedly connected to the front and rear surfaces of the inside of the support frame 4, a support rod 32 is slidably connected to the inside of the fixing ring 16, and a lifting device is fixed on the left side of the support rod 32. Mechanism 19, a universal wheel 17 is installed at the bottom of the lifting mechanism 19, a seat plate 13 is fixed on the top of the lifting mechanism 19, and the displacement mechanism 10 includes a fixed frame 11, the fixed frame 11 is internally rotatably connected to a screw rod 12, the outer wall of the screw rod 12 is screwed to a moving block 7, the moving block 7 is internally rotatably connected to a rotating drum 23, the rotating drum 23 is internally slidably connected to a moving rod 2, a fixed frame 8 is fixed on the top of the moving rod 2, the fixed frame 8 is internally rotatably connected to a camera 9, and a first motor 1 is provided on the front surface of the fixed frame 11, and the output shaft of the first motor 1 passes through the fixed frame 11 is fixedly connected to the front end of the screw rod 12, a second motor 6 is fixed to the front surface of the moving block 7, the output shaft of the second motor 6 passes through the moving block 7 and is fixed with a first gear 31, the outer wall of the rotating cylinder 23 is provided with a first tooth groove 24, the first gear 31 is meshed and connected with the first tooth groove 24, a rotating block 3 is fixed to the bottom of the rotating cylinder 23, a third motor 5 is fixed to the right side of the rotating block 3, the output shaft of the third motor 5 passes through the rotating block 3 and is fixed with a second gear 22, a second tooth groove 21 is provided on the outer wall of the moving rod 2, the second tooth groove 21 is meshed and connected with the second gear 22, and the first tooth groove 21 is started. A motor 1 is used. The first motor 1 rotates the screw 12. The rotation of the screw 12 moves the moving block 7. The moving block 7 moves the rotating drum 23, the rotating block 3, the moving rod 2 and the camera 9. The second motor 6 is started. The second motor 6 rotates the rotating drum 23 through the first gear 31 and the first tooth groove 24. The rotating drum 23 rotates the moving rod 2 and the camera 9. The third motor 5 is started. The third motor 5 raises and lowers the moving rod 2 and the camera 9 through the second gear 22 and the second tooth groove 21. In this way, the position of the camera 9 can be adjusted, which is convenient for shooting the experimental process for screen projection display.

[0023] See also Figure 1, Figure 2 and Figure 4 Furthermore, the lifting mechanism 19 includes a fixed cylinder 28, the right side of the fixed cylinder 28 is fixedly connected to the left end of the support rod 32, the interior of the fixed cylinder 28 is provided with a movable rod 18, the top of the movable rod 18 is fixedly connected to the bottom of the seat plate 13, the interior front and rear surfaces of the movable rod 18 are provided with a receiving hole 26, the interior of the receiving hole 26 is fixed with a spring 27, the other end of the spring 27 is fixed with a block 25, the interior front and rear surfaces of the fixed cylinder 28 are provided with a ratchet groove 29, the bottom of the seat plate 13 is provided with a There is a movable groove 14, and a movable plate 15 is slidably connected inside the movable groove 14. A pull rope 30 is fixed to one end of the block 25 close to the spring 27, and the other end of the pull rope 30 is fixedly connected to the bottom of the movable plate 15. Pulling the seat plate 13 can move the seat plate 13 out of the table plate 33, and the experimenter can sit down and pull the seat plate 13. The seat plate 13 rises with the movable rod 18, and the block 25 is stuck in the ratchet groove 29, so that the height of the seat plate 13 can be adjusted to adapt to experimenters of different heights.

[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A student experimental table convenient for teaching demonstration, comprising a table board (33), characterized in that: A support frame (4) is fixed to the bottom of the table top (33), a displacement mechanism (10) is fixed to the right side of the table top (33), a camera (9) is rotatably connected to the top of the displacement mechanism (10), a fixing ring (16) is provided inside the support frame (4), connecting rods (20) are fixed to the front and rear surfaces of the fixing ring (16), the other ends of the two connecting rods (20) are fixedly connected to the front and rear surfaces of the support frame (4), a support rod (32) is slidably connected to the inside of the fixing ring (16), a lifting mechanism (19) is fixed to the left side of the support rod (32), a universal wheel (17) is installed at the bottom of the lifting mechanism (19), and a seat plate (13) is fixed to the top of the lifting mechanism (19).

2. A student experiment table convenient for teaching demonstration according to claim 1, characterized in that: The displacement mechanism (10) comprises a fixed frame (11), the interior of the fixed frame (11) is rotatably connected to a screw rod (12), the outer wall of the screw rod (12) is screwed to a moving block (7), the interior of the moving block (7) is rotatably connected to a rotating drum (23), the interior of the rotating drum (23) is slidably connected to a moving rod (2), a fixed frame (8) is fixed to the top of the moving rod (2), the interior of the fixed frame (8) is rotatably connected to the camera (9), a first motor (1) is provided on the front surface of the fixed frame (11), and an output shaft of the first motor (1) passes through the fixed frame (11) and is fixedly connected to the front end of the screw rod (12).

3. A student experiment table convenient for teaching demonstration according to claim 2, characterized in that: A second motor (6) is fixed on the front surface of the moving block (7); an output shaft of the second motor (6) passes through the moving block (7) and is fixed with a first gear (31); an outer wall of the rotating drum (23) is provided with a first tooth groove (24); and the first gear (31) and the first tooth groove (24) are meshingly connected.

4. A student experiment table convenient for teaching demonstration according to claim 3, characterized in that: A rotating block (3) is fixed at the bottom of the rotating drum (23), a third motor (5) is fixed on the right side of the rotating block (3), an output shaft of the third motor (5) passes through the rotating block (3) and is fixed with a second gear (22), an outer side wall of the moving rod (2) is provided with a second tooth groove (21), and the second tooth groove (21) and the second gear (22) are meshingly connected.

5. A student experiment table convenient for teaching demonstration according to claim 4, characterized in that: The lifting mechanism (19) comprises a fixed cylinder (28), the right side of the fixed cylinder (28) is fixedly connected to the left end of the support rod (32), a movable rod (18) is arranged inside the fixed cylinder (28), the top of the movable rod (18) is fixedly connected to the bottom of the seat plate (13), the front and rear surfaces of the movable rod (18) are provided with receiving holes (26), a spring (27) is fixed inside the receiving hole (26), a clamping block (25) is fixed to the other end of the spring (27), and ratchet grooves (29) are arranged on the front and rear surfaces of the fixed cylinder (28).

6. A student experiment table convenient for teaching demonstration according to claim 5, characterized in that: A movable groove (14) is provided at the bottom of the seat plate (13), and a movable plate (15) is slidably connected inside the movable groove (14). A pull rope (30) is fixed to one end of the clamping block (25) close to the spring (27), and the other end of the pull rope (30) is fixedly connected to the bottom of the movable plate (15).

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