CN215219996U

CN215219996U - Physical experiment demonstration equipment

Info

Publication number: CN215219996U
Application number: CN202121626197.1U
Authority: CN
Inventors: 吉顷田
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2021-12-17
Anticipated expiration: 2031-07-17

Abstract

The utility model discloses a physics experiment demonstration equipment, including first demonstration board, the demonstration screen is installed in the embedding of the preceding lateral wall of first demonstration board, the top fixed mounting of first demonstration board has sliding assembly, fixedly connected with second demonstration board on the sliding assembly, set up flutedly on the lateral wall that second demonstration board is close to the demonstration screen, install clean subassembly in the recess, the bottom fixed mounting of first demonstration board has the deflector, deflector top and second demonstration board bottom sliding connection, lateral wall lower part is fixed with locking Assembly before the second demonstration board, the second demonstration board passes through locking Assembly and deflector lateral wall joint, the utility model discloses simple structure, design benefit, the simple operation can effectively protect the demonstration screen and to demonstration screen surface automatically cleaning.

Description

Physical experiment demonstration equipment

Technical Field

The utility model belongs to the technical field of the physics, concretely relates to physics experiment demonstration equipment.

Background

Physics is the subject of studying the most general laws of motion and basic structures of substances. As the leading subject of natural science, physical studies are as large as the universe and as small as the most basic motion forms and laws of all substances such as basic particles, and therefore, the method becomes the research foundation of other natural science subjects.

In the current physical experiment process, need demonstrate through the demonstration screen and handle, traditional demonstration screen often directly sets up near the blackboard, demonstrates through the demonstration screen and handles, cooperates the blackboard to write the data simultaneously and educates the teaching, but the demonstration screen can't accomodate the protection when not using, has reduced the security, for this, we have proposed a physical experiment demonstration equipment.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a simple structure, the simple operation can effectively protect the demonstration screen and to the physics experiment demonstration equipment of demonstration screen surface automatically cleaning.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a physics experiment demonstration equipment, including first demonstration board, the demonstration screen is installed in the embedding of the preceding lateral wall of first demonstration board, the top fixed mounting of first demonstration board has sliding assembly, fixedly connected with second demonstration board on the sliding assembly, set up flutedly on the lateral wall that the second demonstration board is close to the demonstration screen, install clean subassembly in the recess, the bottom fixed mounting of first demonstration board has the deflector, deflector top and second demonstration board bottom sliding connection, lateral wall lower part is fixed with locking Assembly before the second demonstration board, the second demonstration board passes through locking Assembly and deflector lateral wall joint.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

the sliding assembly comprises a sliding rail fixedly installed at the top of the first demonstration board, a sliding block is connected in the sliding rail in a sliding mode, and one end of the sliding block is fixedly connected with the second demonstration board.

Further optimization: the cleaning assembly comprises a connecting shaft which is rotatably connected in the groove, the top end of the connecting shaft is rotatably connected with the upper side wall of the groove, and the bottom end of the connecting shaft penetrates through the bottom of the groove, extends into the cavity of the guide plate and is fixed with a gear.

Further optimization: the fixed cover is equipped with the clearance board on the connecting axle, and fixed mounting has the cleaning brush on the clearance board, and the cleaning brush contacts with the demonstration screen.

Further optimization: the side wall of the cavity of the guide plate, which is positioned at the position of the demonstration screen, is provided with a rack, the rack is arranged along the moving direction of the gear, and the gear is meshed with the rack.

Further optimization: the locking assembly comprises a fixed plate fixedly installed on the lower portion of the front side wall of the second demonstration plate, and a limiting rod is sleeved in the fixed plate in a sliding mode.

Further optimization: one end of the limiting rod is clamped with the guide plate, the other end of the limiting rod extends to the outside of the guide channel and is fixed with a pulling plate, and the pulling plate and the limiting rod are arranged vertically.

Further optimization: the limiting rod is sleeved with a return spring, and two ends of the return spring are fixedly connected with the pull plate and the fixed plate respectively.

Further optimization: a plurality of limiting grooves are formed in the side wall of the front end of the guide plate at equal intervals along the length direction of the guide plate, and the limiting rods are clamped with the limiting grooves.

Further optimization: the area of the second demonstration board is larger than that of the demonstration screen.

Has the advantages that:

1. through the matching arrangement of the demonstration screen and the second demonstration board, when the demonstration screen is not used, the second demonstration board moves to the front side of the demonstration screen, the second demonstration board protects the demonstration screen, and meanwhile, through the arrangement of the locking assembly, the second demonstration board is fixed to the front side of the demonstration screen;

2. through the setting of clearance subassembly on the second demonstration board, the second demonstration board can make the clearance subassembly clean the screen of demonstration screen at the in-process that slides and cover the demonstration screen, makes the demonstration screen keep clean and tidy.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a side cross-sectional view of an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1-a first demonstration board; 2-a demonstration screen; 3-a guide plate; 4-a second demonstration board; 5, fixing a plate; 6-a limiting rod; 7-pulling a plate; 8-a return spring; 9-a limiting groove; 10-a groove; 11-a connecting shaft; 12-cleaning a plate; 13-cleaning brush; 14-a gear; 15-a rack; 16-a slide rail; 17-a slide block.

Detailed Description

Example (b): as shown in FIGS. 1-3, a physical experiment demonstration device, including first demonstration board 1, demonstration screen 2 is installed in the embedding of the preceding lateral wall of first demonstration board 1, the top fixed mounting of first demonstration board 1 has a sliding assembly, fixedly connected with second demonstration board 4 on the sliding assembly, set up fluted 10 on the lateral wall that second demonstration board 4 is close to demonstration screen 2, install clean subassembly in the recess 10, the bottom fixed mounting of first demonstration board 1 has

deflector

3, 3 tops of deflector and 4 bottom sliding connection of second demonstration board, 4 preceding lateral wall lower parts of second demonstration board are fixed with locking Assembly, second demonstration board 4 passes through locking Assembly and 3 lateral walls joints of deflector.

As shown in fig. 1-2, the sliding assembly includes a sliding rail 16 fixedly installed on the top of the first demonstration board 1, a sliding block 17 is slidably connected in the sliding rail 16, one end of the sliding block 17 is fixedly connected with the second demonstration board 4, specifically, in this embodiment, the inner sliding slot of the sliding rail 16 is a T-shaped sliding slot, the sliding block 17 is a matched T-shaped sliding block, and the sliding block 17 can slide in the sliding rail 16 but cannot fall off.

As shown in fig. 2, the cleaning assembly includes a connecting shaft 11, the top end of the connecting shaft 11 is rotatably connected with the upper side wall of the groove 10, the bottom end of the connecting shaft 11 extends into the cavity of the guide plate 3 through the bottom of the groove 10 and is fixed with a gear 14.

The fixed cover is equipped with cleaning plate 12 on connecting axle 11, and fixed mounting has cleaning brush 13 on cleaning plate 12, and cleaning brush 13 contacts with demonstration screen 2.

As shown in fig. 1, a rack 15 is disposed on the side wall of the cavity of the guide plate 3 at the position of the demonstration screen 2, the rack 15 is disposed along the moving direction of the gear 14, the gear 14 is meshed with the rack 15, specifically, the rack 15 is located on the moving path of the gear 14, and when the gear 14 moves and contacts with the rack 15, the rack 15 drives the gear 14 to rotate.

Design like this, promote second demonstration board 4, when gear 14 is connected with rack 15 meshing, rack 15 drives gear 14 and rotates, and gear 14 drives connecting axle 11 and rotates, and connecting axle 11 drives clearance brush 13 through clearance board 12 and rotates, and clearance brush 13 cleans demonstration screen 2's screen, makes demonstration screen 2 keep clean and tidy.

As shown in fig. 2-3, the locking assembly includes a fixing plate 5 fixedly mounted on the lower portion of the front side wall of the second demonstration plate 4, and a limiting rod 6 is slidably sleeved in the fixing plate 5.

One end of the limiting rod 6 is clamped with the side wall of the guide plate 3, the other end of the limiting rod extends to the outside of the guide channel and is fixed with a pulling plate 7, and the pulling plate 7 and the limiting rod 6 are arranged vertically.

The stop lever 6 is sleeved with a return spring 8, one end of the return spring 8 is fixedly connected with the pulling plate 7, and the other end of the return spring is fixedly connected with the fixed plate 5.

A plurality of spacing grooves 9 are formed in the side wall of the front end of the guide plate 3 at equal intervals along the length direction of the guide plate, and the spacing rods 6 are connected with the spacing grooves 9 in a clamping mode.

Design like this, pulling arm-tie 7 drive gag lever post 6 and remove, and gag lever post 6 and spacing groove 9 separation remove the demonstration board to suitable position, loosen pulling arm-tie 7, and pulling arm-tie 7 drives gag lever post 6 and corresponding spacing groove 9 joint under reset spring 8's effort, has accomplished the removal and the rigidity of second demonstration board 4.

As shown in FIGS. 1-2, the area of the second demonstration board 4 is larger than the area of the demonstration screen 2, so that the second demonstration board 4 can completely cover the demonstration screen 2, and the second demonstration board 4 can prevent the demonstration screen 2 from being collided and protected from dust.

The demonstration screen 2 is connected with an external power supply, the internal structure of the demonstration screen 2 is common knowledge of those skilled in the art, and redundant description is not repeated in the scheme

When using, through pulling arm-tie 7, arm-tie 7 drives gag lever post 6 and removes, makes gag lever post 6 separate with spacing groove 9, then promotes second demonstration board 4, moves away second demonstration board 4 from 2 front sides of demonstration screen, after removing suitable position, loosens arm-tie 7, under reset spring 8's elastic force effect, and gag lever post 6 carries out the joint setting with corresponding spacing groove 9, accomplishes the fixed of second demonstration board 4 position.

The demonstration screen 2 is opened, education and teaching demonstration processing is carried out on the physical experiment, and convenience is brought to teachers to explain students and students to learn.

When demonstration screen 2 does not use, through pulling arm-tie 7, arm-tie 7 drives gag lever post 6 and removes, makes gag lever post 6 and spacing groove 9 separate, promotes second demonstration board 4, makes second demonstration board 4 remove demonstration screen 2, removes suitable position after, loosens arm-tie 7, under reset spring 8's elastic force effect, gag lever post 6 carries out the joint setting with the spacing groove 9 that corresponds, accomplishes the fixed of second demonstration board 4 position.

Simultaneously second demonstration board 4 is at the removal in-process, and second demonstration board 4 drives connecting axle 11 and gear 14 and removes, can drive connecting axle 11 when meshing transmission between gear 14 and the rack 15 and rotate, and connecting axle 11 drives clearance board 12 and rotates, and clearance board 12 drives clearance brush 13 and rotates, makes clearance brush 13 clean demonstration screen 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A physical experiment demonstration apparatus comprising a first demonstration board (1), characterized in that: demonstration screen (2) are installed in the embedding of the preceding lateral wall of first demonstration board (1), the top fixed mounting of first demonstration board (1) has sliding assembly, fixedly connected with second demonstration board (4) on the sliding assembly, set up fluted (10) on the lateral wall that second demonstration board (4) are close to demonstration screen (2), install clean subassembly in recess (10), the bottom fixed mounting of first demonstration board (1) has deflector (3), deflector (3) top and second demonstration board (4) bottom sliding connection, second demonstration board (4) front side lateral wall lower part rigid coupling has locking Assembly, second demonstration board (4) are through locking Assembly and deflector (3) lateral wall joint.

2. A physical experiment demonstration apparatus according to claim 1 wherein: the sliding assembly comprises a sliding rail (16) fixedly installed at the top of the first demonstration board (1), a sliding block (17) is connected in the sliding rail (16) in a sliding mode, and one end of the sliding block (17) is fixedly connected with the second demonstration board (4).

3. A physical experiment demonstration apparatus according to claim 2 wherein: the cleaning assembly comprises a connecting shaft (11) which is rotatably connected in the groove (10), a cleaning plate (12) is fixedly sleeved on the connecting shaft (11), a cleaning brush (13) is fixedly mounted on the cleaning plate (12), and the cleaning brush (13) is in contact with the demonstration screen (2).

4. A physical experiment demonstration apparatus according to claim 3 wherein: the top end of the connecting shaft (11) is rotatably connected with the upper side wall of the groove (10), and the bottom end of the connecting shaft (11) penetrates through the bottom of the groove (10) to extend into the cavity of the guide plate (3) and is fixedly connected with a gear (14).

5. A physical experiment demonstration apparatus according to claim 4 wherein: a rack (15) is arranged on the side wall of the cavity of the guide plate (3) and positioned at the position of the demonstration screen (2), the rack (15) is arranged along the moving direction of the gear (14), and the gear (14) is meshed with the rack (15).

6. A physical experiment demonstration apparatus according to claim 5 wherein: locking Assembly includes fixed plate (5) of fixed mounting in second demonstration board (4) preceding lateral wall lower part, and sliding sleeve is equipped with gag lever post (6) in fixed plate (5).

7. A physical experiment demonstration apparatus according to claim 6 wherein: one end of the limiting rod (6) is clamped with the side wall of the guide plate (3), the other end of the limiting rod extends to the outside of the guide channel and is fixedly connected with a pulling plate (7), and the pulling plate (7) and the limiting rod (6) are arranged vertically.

8. A physical experiment demonstration apparatus according to claim 7 wherein: the limiting rod (6) is sleeved with a return spring (8), and two ends of the return spring (8) are respectively fixedly connected with the pulling plate and the fixing plate (5).

9. A physical experiment demonstration apparatus according to claim 8 wherein: a plurality of limiting grooves (9) are formed in the side wall of the front end of the guide plate (3) at equal intervals along the length direction of the guide plate, and the limiting rod (6) is connected with the limiting grooves (9) in a clamping mode.

10. A physical experiment demonstration apparatus according to claim 9 wherein: the area of the second demonstration board (4) is larger than that of the demonstration screen (2).