CN213545688U

CN213545688U - Wall-through and cross demonstration device

Info

Publication number: CN213545688U
Application number: CN202022345353.9U
Authority: CN
Inventors: 魏兴
Original assignee: Nanjing Kezhifan Model Art Co ltd
Current assignee: Nanjing Kezhifan Model Art Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-25
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to the technical field of teaching instruments, and discloses a wall-through and wall-through demonstration device, which comprises a box body, wherein a motor is fixedly arranged on the surface on the right side of the box body, an output shaft of the motor is connected with a first screw rod in a bolt way, the left end of the first screw rod penetrates through the interior of the box body and is rotationally connected with the inner wall of the box body, and the left side and the right side of the surface of the first screw rod are both in threaded connection with a first screw sleeve; the utility model discloses a box, including a motor, an end cap, a controller, and a cover plate, first screw rod, first swivel nut, the connecting rod, the diaphragm, the riser, the shell, the carousel, the straight-bar, first gear, the second screw rod, the second swivel nut, the telescopic link, the slider, the down tube, roll over the setting of template, concave type piece, supporting shoe and display screen for the device has possessed the advantage that can carry out the regulation to height and angle, has solved current wall of wearing and has crossed presentation device, its simple structure, and inconvenient problem of adjusting height and angle.

Description

Wall-through and cross demonstration device

Technical Field

The utility model relates to a teaching instrument technical field specifically is a wear wall and cross presentation device.

Background

The principle is that an impenetrable baffle is generated visually through the difference of light transmission directions between polaroids, the baffle does not exist in practice, a microspheric can penetrate through the baffle in an experiment, and the experimental instrument for proving the polarization principle of light is achieved through the phenomenon.

Teaching is more and more being regarded as important in the life, understanding teaching content that can be quick through the experiment demonstration, but present wall-piercing and cross presentation device, its simple structure, and inconvenient adjust height and angle, for this reason we have proposed an easy operation, and can carry out the wall-piercing that adjusts and cross presentation device and solve the problem that exists in the above-mentioned content to height and angle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear wall and cross presentation device possesses the advantage that can adjust height and angle, has solved current wear wall and has crossed presentation device, simple structure, and inconvenient problem of adjusting height and angle.

In order to achieve the above object, the utility model provides a following technical scheme: a wall-through and crossing demonstration device comprises a box body, wherein a motor is fixedly mounted on the surface of the right side of the box body, an output shaft of the motor is in bolted connection with a first screw rod, the left end of the first screw rod penetrates through the inside of the box body and is rotatably connected with the inner wall of the box body, the left side and the right side of the surface of the first screw rod are in threaded connection with first screw sleeves, the top of each first screw sleeve is hinged with a connecting rod, a transverse plate is arranged inside the box body, the left side and the right side of the bottom of the transverse plate are hinged with the connecting rods, the top of the transverse plate is in bolted connection with a vertical plate, the surface of the rear end of the vertical plate is in bolted connection with a fixed plate, a shell is fixedly mounted at the top of the fixed plate, a rotary plate is arranged at the rear end of the shell, a straight rod is in bolted connection with the output shaft of the rotary plate, the utility model discloses a display screen, including shell, first gear, second gear, riser, first thread, second thread, telescopic link, concave type piece, the inside bolt of second gear has the second screw rod, the bottom of second screw rod is rotated with the inside bottom of shell and is connected, the surface thread of second screw rod is connected with the second swivel nut, the front of second swivel nut articulates there is the telescopic link, the top bolt on riser surface has concave type piece, the inside of concave type piece articulates there is the supporting shoe, the surface bolt display screen of supporting shoe, the top fixed mounting that just is located the stopper at the back of display screen has a board of folding, the back bolt of board of folding has the down tube, the surface sliding connection of down tube has the slider, the back of slider is articulated with.

Preferably, the left side and the right side of the interior of the box body are both provided with limiting rods, limiting blocks are connected to the surfaces of the limiting rods in a sliding mode, and the two limiting blocks are bolted to the left side and the right side of the transverse plate respectively.

Preferably, the surface cover of gag lever post is equipped with compression spring, compression spring is located the top of stopper.

Preferably, the back of the turntable is bolted with a crank, and the surface of the crank is bonded with an anti-slip sleeve.

Preferably, a fixed block is fixedly installed in the middle of the first screw rod, and threads on the left side and the right side of the fixed block are opposite.

Preferably, the left side and the right side of the bottom of the box body are fixedly provided with supporting seats, and wheels are bolted to the bottoms of the supporting seats.

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

the utility model discloses a box, including a motor, an end cap, a controller, and a cover plate, first screw rod, first swivel nut, the connecting rod, the diaphragm, the riser, the shell, the carousel, the straight-bar, first gear, the second screw rod, the second swivel nut, the telescopic link, the slider, the down tube, roll over the setting of template, concave type piece, supporting shoe and display screen for the device has possessed the advantage that can carry out the regulation to height and angle, has solved current wall of wearing and has crossed presentation device, its simple structure, and inconvenient problem of adjusting height and angle.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

FIG. 2 is a right side view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1A according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2B according to the present invention;

fig. 5 is a perspective view of the present invention.

In the figure: 1. a box body; 2. a motor; 3. a first screw; 4. a first threaded sleeve; 5. a fixed block; 6. a connecting rod; 7. a transverse plate; 8. a limiting rod; 9. a limiting block; 10. a compression spring; 11. a vertical plate; 12. a fixing plate; 13. a housing; 14. a turntable; 15. a straight rod; 16. a crank; 17. a first gear; 18. a second gear; 19. a second screw; 20. a second thread insert; 21. a telescopic rod; 22. a display screen; 23. a slider; 24. a diagonal bar; 25. folding the template; 26. a support block; 27. a concave block; 28. and (7) wheels.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a wall-through demonstration apparatus comprises a case 1, a motor 2 is fixedly mounted on the right side surface of the case 1, an output shaft of the motor 2 is bolted with a first screw rod 3, the left end of the first screw rod 3 penetrates through the inside of the case 1 and is rotatably connected with the inner wall of the case 1, the left side and the right side of the surface of the first screw rod 3 are respectively in threaded connection with a first threaded sleeve 4, the top of the first threaded sleeve 4 is hinged with a connecting rod 6, a transverse plate 7 is arranged inside the case 1, the left side and the right side of the bottom of the transverse plate 7 are respectively hinged with the connecting rod 6, the top of the transverse plate 7 is bolted with a vertical plate 11, the surface of the rear end of the vertical plate 11 is bolted with a fixing plate 12, the top of the fixing plate 12 is fixedly mounted with a housing 13, the rear end of the housing 13 is provided with a rotating disc 14, the output shaft of the rotating disc 14 is, a second gear 18 is engaged with the surface of the first gear 17, a second screw 19 is bolted inside the second gear 18, the bottom of the second screw 19 is rotatably connected with the bottom inside the shell 13, a second screw sleeve 20 is connected with the surface of the second screw 19 in a threaded manner, a telescopic rod 21 is hinged on the front surface of the second screw sleeve 20, a concave block 27 is bolted on the top of the surface of the vertical plate 11, a supporting block 26 is hinged inside the concave block 27, a display screen 22 is bolted on the surface of the supporting block 26, a folding plate 25 is fixedly installed on the back surface of the display screen 22 and above the limiting block 9, an inclined rod 24 is bolted on the back surface of the folding plate 25, a sliding block 23 is slidably connected on the surface of the inclined rod 24, the back surface of the sliding block 23 is hinged with the other end of the telescopic rod 21, and passes through the box body 1, the motor 2, the first screw 3, the first screw sleeve 4, the connecting rod 6, the transverse plate 7, the, The arrangement of the first gear 17, the second gear 18, the second screw rod 19, the second threaded sleeve 20, the telescopic rod 21, the sliding block 23, the inclined rod 24, the folding plate 25, the concave block 27, the supporting block 26 and the display screen 22 enables the device to have the advantage of being capable of adjusting the height and the angle, and the problem that the existing wall-penetrating demonstration device is simple in structure and inconvenient to adjust the height and the angle is solved.

Please refer to fig. 1 and fig. 3, the left and right sides of the interior of the box body 1 are provided with the limiting rods 8, the surface of the limiting rod 8 is connected with the limiting blocks 9 in a sliding manner, the two limiting blocks 9 are bolted with the left and right sides of the transverse plate 7 respectively, and the transverse plate 7 can be supported in an auxiliary manner by the arrangement of the limiting rods 8 and the limiting blocks 9, so that the transverse plate 7 can move up and down conveniently.

Please refer to fig. 1 and fig. 3, a compression spring 10 is sleeved on the surface of the limiting rod 8, the compression spring 10 is located above the limiting block 9, and the limiting block 9 and the inner wall of the box body 1 can be protected by the compression spring 10, so as to avoid the collision between the limiting block 9 and the inner wall of the box body 1.

Referring to fig. 1 and 4, a crank 16 is bolted to the back of the turntable 14, an anti-slip sleeve is adhered to the surface of the crank 16, and the arrangement of the crank 16 and the anti-slip sleeve facilitates the worker to shake the turntable 14.

Referring to fig. 1, a fixing block 5 is fixedly installed in the middle of the first screw rod 3, threads on the left side and the right side of the fixing block 5 are opposite, and the two first thread bushings 4 can be blocked by the fixing block 5, so that the two first thread bushings 4 are prevented from contacting when moving to the opposite side

Referring to fig. 1, the left and right sides of the bottom of the box 1 are fixedly provided with a support base, and the bottom of the support base is bolted with wheels 28, so that the device can be moved by workers conveniently.

The working principle is as follows: when the demonstration device needs to be used, the device is firstly moved to a position needing to be placed, in order to facilitate viewing, the motor 2 needs to be started, the motor 2 drives the first screw rod 3 to rotate, the first screw rod 3 drives the first threaded sleeve 4 to move towards the opposite side, the first threaded sleeve 4 pulls the connecting rod 6, the connecting rod 6 applies force to the transverse plate 7, so that the display screen 22 is moved upwards, until the desired position has been adjusted, the motor 2 can be switched off, then wave crank 16, crank 16 drives carousel 14 and rotates, carousel 14 drives first gear 17 and rotates, first gear 17 drives second gear 18 and rotates, second gear 18 drives second screw rod 19 rotatory, second screw rod 19 drives second swivel nut 20 downstream afterwards, second swivel nut 20 drives telescopic link 21 downstream, telescopic link 21 drives slider 23 lapse for display screen 22 takes place the angle and deflects, finally the adjustment can after the desired position.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 through-wall demonstration device comprises a box body (1), and is characterized in that: the surface fixed mounting on the right side of the box body (1) is provided with a motor (2), an output shaft of the motor (2) is in bolted connection with a first screw rod (3), the left end of the first screw rod (3) penetrates through the inside of the box body (1) and is rotationally connected with the inner wall of the box body (1), the left side and the right side of the surface of the first screw rod (3) are in threaded connection with a first threaded sleeve (4), the top of the first threaded sleeve (4) is hinged with a connecting rod (6), the inside of the box body (1) is provided with a transverse plate (7), the left side and the right side of the bottom of the transverse plate (7) are hinged with the connecting rod (6), the top of the transverse plate (7) is in bolted connection with a vertical plate (11), the surface of the rear end of the vertical plate (11) is in bolted connection with a fixing plate (12), the top fixed mounting of the fixing plate (, a straight rod (15) is bolted to an output shaft of the rotary table (14), one end, far away from the rotary table (14), of the straight rod (15) penetrates into the shell (13) and is bolted with a first gear (17), a second gear (18) is meshed with the surface of the first gear (17), a second screw (19) is bolted inside the second gear (18), the bottom of the second screw (19) is rotatably connected with the bottom inside the shell (13), a second threaded sleeve (20) is in threaded connection with the surface of the second screw (19), a telescopic rod (21) is hinged to the front of the second threaded sleeve (20), a concave block (27) is bolted to the top of the surface of the vertical plate (11), a supporting block (26) is hinged inside the concave block (27), a display screen (22) is bolted to the surface of the supporting block (26), and a folding plate (25) is fixedly mounted on the back of the display screen (22) and above the limiting block (9), the back of the bending plate (25) is bolted with an inclined rod (24), the surface of the inclined rod (24) is connected with a sliding block (23) in a sliding manner, and the back of the sliding block (23) is hinged with the other end of the telescopic rod (21).

2. A through-wall play set as recited in claim 1, wherein: the left side and the right side of the interior of the box body (1) are respectively provided with a limiting rod (8), the surface of each limiting rod (8) is connected with a limiting block (9) in a sliding mode, and the two limiting blocks (9) are bolted to the left side and the right side of the transverse plate (7) respectively.

3. A through-wall play set as recited in claim 2, wherein: the surface cover of gag lever post (8) is equipped with compression spring (10), compression spring (10) are located the top of stopper (9).

4. A through-wall play set as recited in claim 1, wherein: the back of the turntable (14) is bolted with a crank (16), and the surface of the crank (16) is bonded with an anti-slip sleeve.

5. A through-wall play set as recited in claim 1, wherein: the middle position fixed mounting of first screw rod (3) has fixed block (5), the screw thread of the fixed block (5) left and right sides is opposite.

6. A through-wall play set as recited in claim 1, wherein: the left side and the right side of the bottom of the box body (1) are fixedly provided with supporting seats, and wheels (28) are bolted to the bottoms of the supporting seats.