Instrument for chemical control teaching

Abstract

The utility model discloses a chemical control teaching instrument which comprises a protection box, the left side of the protection box is fixedly connected with a box body, the bottom of the inner cavity of the box body is fixedly provided with a motor, the top of the motor is fixedly connected with a threaded rod, the surface of the threaded rod is in threaded connection with a threaded sleeve, and the two sides of the threaded sleeve are fixedly connected with sliding plates. The back of the sliding plate is fixedly connected with a connecting rod. A threaded rod is conveniently driven to rotate through a motor, and when threads on the surface of the threaded rod are in threaded connection with threads in an inner cavity of a threaded sleeve, when the threaded rod rotates, the threaded sleeve is driven to move, a sliding plate is driven to move through the threaded sleeve, a connecting rod is driven to move through the sliding plate, and a sliding plate is driven to move through the connecting rod; the base is pushed to move through the sliding plate, the teaching instrument body is driven to move through the base, the height of the teaching instrument body is adjusted, and the teaching instrument body is stored and protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical engineering teaching, specifically, a kind of instrument for chemical control teaching. BACKGROUND

[0002] Chemical engineering is a science that studies the common law of production process of chemical products, and human beings are closely related to chemical industry. Some chemical products play an important role in the history of human development, and their production and application even represent a certain historical stage of human civilization. Some special teaching instruments for chemical engineering are used in chemical engineering teaching.

[0003] However, the existing teaching instrument is usually fixed and installed at a specified position by the staff during use, and then the teaching video displayed by the teaching instrument is provided for the students to watch, so as to complete the teaching work. However, in actual use, since the teaching instrument is fixed at a specified position, the angle cannot be adjusted, which causes some students to have difficulty in watching due to the angle, thereby reducing the teaching efficiency. In addition, the teaching instrument cannot be effectively stored and protected. When not in use, the staff may accidentally drop it, which may cause impact damage to the internal parts of the instrument. In addition, the dust in the air may cause short circuit of the instrument circuit, thereby causing trouble to the staff. Therefore, the present application provides an instrument for chemical control teaching to solve the above problems. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the shortcomings of the prior art, the present application provides an instrument for chemical control teaching, which has the advantages of multifunction.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model provides the following technical scheme, an instrument for chemical control teaching, including protection case, the left side of protection case is fixedly connected with box, the bottom of box inner chamber is fixedly installed with motor, the top of motor is fixedly connected with screw rod, the surface of screw rod is connected with screw sleeve, both sides of screw sleeve are fixedly connected with sliding plate, the back of sliding plate is fixedly connected with connecting rod, the side of connecting rod is fixedly connected with sliding plate in the inner chamber of protection case, the top of sliding plate is fixedly connected with base, the inner chamber bottom of base is fixedly connected with bearing body at the center, the inner chamber of bearing body is rotatably connected with rotating rod, the top of rotating rod is fixedly connected with mounting plate and penetrates to the outside of base, the top of mounting plate is fixedly installed with teaching instrument body.

[0008] As a preferred scheme, the support column is fixedly connected around the bottom of the protective box.

[0009] Through the above technical scheme, the protective box is supported through the support column.

[0010] As a preferred scheme, the sliding plate is slidably connected to the inner cavity of the chute on one side.

[0011] Through the above technical scheme, the stability of the sliding plate sliding is improved through the chute.

[0012] As a preferred scheme, the mounting block is fixedly connected to the bottom of the teaching instrument body on both sides, and the mounting bolt is arranged on the surface of the mounting block.

[0013] Through the above technical scheme, the teaching instrument body is disassembled through the mounting block and the mounting bolt.

[0014] As a preferred scheme, the spring is fixedly connected to one side of the inner cavity of the base, the movable plate is fixedly connected to one side of the spring, the pull rod is fixedly connected to one side of the movable plate, and the insertion rod is fixedly connected to the other side of the movable plate.

[0015] Through the above technical scheme, the movable plate is driven to move by the spring, so that the insertion rod is inserted into the inner cavity of the insertion hole or separated from the inner cavity of the teaching instrument body, the rotating rod is fixed in position, rotation of the rotating rod is prevented during the stationary process, and the stability of the teaching instrument body is improved.

[0016] As a preferred scheme, the insertion hole is formed around the bottom of the surface of the rotating rod, and the insertion rod is inserted into the inner cavity of the insertion hole on one side.

[0017] Through the above technical scheme, the insertion rod is inserted through the insertion hole.

[0018] As a preferred scheme, the through groove is formed in the top of the inner cavity of the protective box, and the sealing plate is slidably connected in the inner cavity of the through groove.

[0019] Through the above technical scheme, the sealing plate is slidably connected in the inner cavity of the through groove.

[0020] (Three) beneficial effects

[0021] Compared with the prior art, the utility model provides a kind of instrument for teaching of chemical control, with following beneficial effects.

[0022] 1. The utility model discloses a motor, and the threaded rod is conveniently driven to rotate, because the thread on the surface of the threaded rod and the thread in the inner cavity of the threaded sleeve are in threaded connection, when the threaded rod rotates, the threaded sleeve is driven to move, the sliding plate is driven to move through the threaded sleeve, the connecting rod is driven to move through the sliding plate, the sliding plate is driven to move through the connecting rod, the base is pushed to move through the sliding plate, the teaching instrument body is driven to move through the base, the height of the teaching instrument body is adjusted, the teaching instrument body is stored and protected, thereby improving the use efficiency of the teaching instrument body, the staff's trouble is solved, the rotating rod can rotate in the inner cavity through the bearing body, thereby adjusting the left and right angles of the teaching instrument body, and the efficiency of the teaching instrument body work is improved.

[0023] 2. The utility model discloses a spring, can effectively benefit elastic drive moving plate movement, thereby make moving plate drive plug rod insert into the inner cavity of the jack, or separate the inner cavity of teaching instrument body, be convenient for to rotating rod position fixing, prevent rotating rod from rotating in the process of static, thereby improved the stability of teaching instrument body work, through the chute, improved the stability of sliding plate sliding. DRAWINGS

[0024] Figure 1 It is the structure schematic diagram of the utility model;

[0025] Figure 2 It is the left side view of the utility model protection case structure;

[0026] Figure 3 It is the base structure sectional view of the utility model;

[0027] Figure 4 It is the utility model Figure 1 A place local enlarged view in.

[0028] In the drawing: 1, protection case;2, support column;3, box;4, sliding plate;5, base;6, pull rod;7, rotating rod;8, mounting plate;9, teaching instrument body;10, sealing plate;11, mounting bolt;12, motor;13, threaded sleeve;14, sliding plate;15, connecting rod;16, threaded rod;17, moving plate;18, spring;19, jack;20, plug rod;21, bearing body;22, mounting block. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] Please refer to Figures 1-4 The utility model discloses a chemical control teaching instrument, including protection case 1, the left side fixed connection of protection case 1 has the box 3, the bottom fixed mounting of box 3 inner chamber has motor 12, the top fixed connection of motor 12 has screw rod 16, the surface screw thread connection of screw rod 16 has screw sleeve 13, both sides of screw sleeve 13 are all fixedly connected with sliding plate 14, the back of sliding plate 14 is fixedly connected with connecting rod 15, and one side of connecting rod 15 is fixedly connected with sliding plate 4 and is connected in the inner chamber of protection case 1, the top of sliding plate 4 is fixedly connected with base 5, and the inner chamber bottom center of base 5 is fixedly connected with bearing body 21, and the inner chamber rotation of bearing body 21 is connected with rotating rod 7, and the top fixedly connected with mounting plate 8 of rotating rod 7 is connected to the outside of base 5, and the top fixedly connected with teaching instrument body 9 of mounting plate 8 is installed.

[0031] Through the above technical scheme, through motor 12, it is convenient to drive screw rod 16 to rotate, because the screw thread on the surface of screw rod 16 and the screw thread in the inner chamber of screw sleeve 13 are screw thread connection, when screw rod 16 rotates, screw sleeve 13 is driven to move, through screw sleeve 13, sliding plate 14 is driven to move, through sliding plate 14, connecting rod 15 is driven to move, through connecting rod 15, sliding plate 4 is driven to move, through sliding plate 4, base 5 is pushed to move, through base 5, teaching instrument body 9 is driven to move, which realizes the height adjustment of teaching instrument body 9, and also realizes the storage protection of teaching instrument body 9, thereby improve the use efficiency of teaching instrument body 9, solve the trouble of staff, through bearing body 21, rotating rod 7 can rotate in its inner chamber, thereby adjusting the left and right angle of teaching instrument body 9, improve the efficiency of teaching instrument body 9 work.

[0032] Specific, the bottom of the protection box 1 around fixedly connected with support column 2, the bottom of support column 2 is fixedly connected with antiskid pad, the both sides of the inner cavity of box 3 are provided with sliding slot, one side of sliding plate 14 is slidably connected in the inner cavity of sliding slot, the bottom of the both sides of teaching instrument body 9 is fixedly connected with mounting block 22, the surface of mounting block 22 is provided with mounting bolt 11, one side of the inner cavity of base 5 is fixedly connected with spring 18, one side of spring 18 is fixedly connected with moving plate 17, one side of moving plate 17 is fixedly connected with pull rod 6, the other side of moving plate 17 is fixedly connected with plug rod 20, the bottom around the surface of rotating rod 7 is provided with insertion hole 19, one side of plug rod 20 is inserted into the inner cavity of insertion hole 19, the top of the inner cavity of protection box 1 is provided with through slot, and the inner cavity of through slot is slidably connected with sealing plate 10, through spring 18, the moving plate 17 can be effectively driven to move, so that the moving plate 17 drives plug rod 20 to be inserted into the inner cavity of insertion hole 19 or to be separated from the inner cavity of teaching instrument body 9, the rotating rod 7 can be conveniently positioned and fixed, the rotating rod 7 is prevented from rotating in the process of being stationary, and the stability of the teaching instrument body 9 is improved, and through the sliding slot, the stability of the sliding plate 14 is improved.

[0033] The working principle of the utility model is that: Figure 1 As shown, it is the state after the teaching instrument body 9 is protected, when the teaching instrument body 9 needs to work, the user pulls out the sealing plate 10 from the inner cavity of through slot, as shown in Figure 1As shown, it is the state after the sealing plate 10 is pulled out, and then the user starts the motor 12 through the external controller, the motor 12 has a forward and reverse function, and the threaded rod 16 is driven to rotate in a forward direction through the forward rotation of the motor 12. Since the threads on the surface of the threaded rod 16 and the threads in the inner cavity of the threaded sleeve 13 are in threaded connection, when the threaded rod 16 rotates, the threaded sleeve 13 is driven to move. The threaded sleeve 13 drives the sliding plate 14 to move, the sliding plate 14 drives the connecting rod 15 to move, the connecting rod 15 drives the sliding plate 4 to move, the sliding plate 4 drives the base 5 to move, and the base 5 drives the teaching instrument body 9 to move out of the inner cavity of the protective box 1. Then the user pulls the pull rod 6, and the moving plate 17 is retracted and moved by pulling the pull rod 6. The spring 18 and the insertion rod 20 are retracted and moved by the moving plate 17. The inner cavity of the insertion hole 19 is retracted and moved by the insertion rod 20. At this time, the limiting pressure of the rotating rod 7 is eliminated. Then the user rotates the mounting plate 8, which drives the rotating rod 7 to rotate in the inner cavity of the bearing body 21. At the same time, the mounting plate 8 drives the teaching instrument body 9 to rotate. The user can adjust the angle of the teaching instrument body 9 according to his own needs. When the angle of the teaching instrument body 9 is adjusted, the user releases the pull rod 6. At this time, the limiting pressure of the pull rod 6 is eliminated, and the limiting pressure of the spring 18 is also eliminated. The spring 18 is automatically reset. The spring 18 can effectively utilize the reset elasticity to drive the moving plate 17 to move, so that the moving plate 17 drives the insertion rod 20 to insert into the inner cavity of the insertion hole 19, which is convenient for limiting and fixing the rotating rod 7 to prevent the rotating rod 7 from rotating during the stationary process, thereby improving the stability of the teaching instrument body 9. Finally, the user starts the teaching instrument body 9 to start the teaching work.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited to the scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalent ones without departing from the essence and scope of the present application.

Claims

1. A teaching instrument for chemical engineering control, comprising a protective case (1), characterized in that: The protective box (1) is fixedly connected to the left side of the box body (3). The bottom of the inner cavity of the box body (3) is fixedly installed with a motor (12). The top of the motor (12) is fixedly connected with a threaded rod (16). The surface of the threaded rod (16) is threadedly connected with a threaded sleeve (13). Both sides of the threaded sleeve (13) are fixedly connected with sliding plates (14). The back of the sliding plate (14) is fixedly connected with a connecting rod (15). One side of the connecting rod (15) extends through the inner cavity of the protective box (1) and is fixedly connected with a sliding plate (4). The top of the sliding plate (4) is fixedly connected with a base (5). The center of the bottom of the inner cavity of the base (5) is fixedly connected with a bearing body (21). The inner cavity of the bearing body (21) is rotatably connected with a rotating rod (7). The top of the rotating rod (7) extends through the outside of the base (5) and is fixedly connected with an mounting plate (8). The top of the mounting plate (8) is fixedly installed with a teaching instrument body (9).

2. The chemical control teaching instrument according to claim 1, characterized in that: The protective box (1) is fixedly connected to support columns (2) around its bottom, and the bottom of the support columns (2) is fixedly connected to anti-slip pads.

3. The chemical control teaching instrument according to claim 1, characterized in that: The inner cavity of the box (3) is provided with sliding grooves on both sides, and one side of the sliding plate (14) is slidably connected to the inner cavity of the sliding groove.

4. The chemical control teaching instrument according to claim 1, characterized in that: The bottom of both sides of the teaching instrument body (9) is fixedly connected to mounting blocks (22), and mounting bolts (11) are provided on the surface of the mounting blocks (22).

5. The chemical control teaching instrument according to claim 1, characterized in that: A spring (18) is fixedly connected to one side of the inner cavity of the base (5), a movable plate (17) is fixedly connected to one side of the spring (18), a pull rod (6) is fixedly connected to one side of the movable plate (17), and an insert rod (20) is fixedly connected to the other side of the movable plate (17).

6. The chemical control teaching instrument according to claim 5, characterized in that: The rotating rod (7) has insertion holes (19) around its bottom surface, and one side of the insertion rod (20) is inserted into the cavity of the insertion hole (19).

7. The chemical control teaching instrument according to claim 1, characterized in that: The top of the inner cavity of the protective box (1) is provided with a through groove, and a sealing plate (10) is slidably connected to the inner cavity of the through groove.

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