CN113035022A - A display device for law specialty teaching - Google Patents

Abstract

The invention discloses a display device for law major teaching, which belongs to the field of major teaching devices and comprises a supporting seat, a first display plate, a second gear, a second supporting rod, an oil tank, a second oil guide pipe, an external threaded rod and a connecting rod, wherein a first motor is arranged on the right side above the supporting seat, a first gear is arranged on a first rotating shaft, and a second gear is arranged above a second rotating shaft; four sliding rods are uniformly arranged below the supporting seat, an oil cavity is arranged in the second supporting rod, and first oil guide pipes are arranged below the left side and the right side of the oil tank; the inside left and right sides of first show board is provided with the slot respectively, installs the second motor in the middle of the rear side of first show board, installs the internal thread pole on the external screw rod. According to the invention, through the matched use of the second motor, the external threaded rod, the internal threaded rod, the connecting rod and the second display board, different display files can be conveniently compared, and the use is more convenient.

Description

A display device for law specialty teaching

Technical Field

The invention belongs to the field of professional teaching devices, and particularly relates to a display device for law professional teaching.

Background

The teaching display equipment is auxiliary teaching equipment used for professional teaching, for example, teaching of law major, different case documents need to be frequently displayed on a display board, then case analysis is carried out in class, most of the display equipment used in the prior law major teaching only has one display board, in the professional teaching of law, two or more teaching case files are often required to be put together for comparative analysis, a plurality of teaching case files cannot be simultaneously placed on one display board, and after one case file is required to be viewed, the next case file is replaced and placed, so that the use is not convenient enough, and moreover, the use effect is not ideal enough, most of the existing display boards are fixed on the supporting seat and cannot be adjusted, students sitting in different directions cannot see case documents on the display boards clearly, and the use effect is not ideal.

Disclosure of Invention

The invention aims to provide a display device for law major teaching to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a display device for law major teaching comprises a supporting seat, a first display plate, a second gear, a second supporting rod, an oil tank, a second oil guide pipe, an external threaded rod and a connecting rod, wherein a first motor is installed on the right side above the supporting seat, a first rotating shaft is installed on the first motor, a first gear is installed on the first rotating shaft, a shaft sleeve is installed on the left side above the supporting seat, a second rotating shaft is installed on the shaft sleeve, the second gear is installed above the second rotating shaft, and the first display plate is installed above the second rotating shaft; four sliding rods are uniformly arranged below the supporting seat, a first supporting rod is arranged below the sliding rods, a sliding groove is arranged above the first supporting rod, the sliding rods are arranged in the sliding groove, a second supporting rod is arranged below the first supporting rod, an oil cavity is arranged in the second supporting rod, an oil tank is arranged in the middle of the lower part of the supporting seat, first oil guide pipes are arranged below the left side and the right side of the oil tank, a micro oil pump is arranged on each first oil guide pipe, a telescopic hose is arranged on one side, away from the oil tank, of each first oil guide pipe, and a second oil guide pipe is arranged below each telescopic hose; the inside left and right sides of first show board is provided with the slot respectively, installs the second show board in the slot, installs the second motor in the middle of the rear side of first show board, and the external screw rod is installed to the left and right sides of second motor, installs interior threaded rod on the external screw rod.

As a further scheme of the invention: the first gear and the second gear are meshed with each other.

As a further scheme of the invention: the sliding rod is provided with a buffer spring, and the spring is arranged between the supporting seat and the first supporting rod.

As a further scheme of the invention: and universal wheels are arranged below the second supporting rod, and brake pedals are arranged on the universal wheels.

As a further scheme of the invention: and one side of the second oil guide pipe, which is far away from the telescopic hose, is connected into the oil cavity.

As a further scheme of the invention: the connecting rod is installed to one side that external screw rod was kept away from to the internal thread pole, the back fixed connection of connecting rod and second show board.

Compared with the prior art, the first motor, the first rotating shaft, the first gear, the second gear and the second rotating shaft are matched for use, so that the first display board can rotate to different directions, and students sitting in different directions can conveniently watch the first display board; through the matched use of the second motor, the external threaded rod, the internal threaded rod, the connecting rod and the second display board, different display files can be conveniently compared, the use is more convenient, the second display board can be pushed into the slot when not used, and the space is saved; the height of the first display board and the height of the second display board can be adjusted through the cooperation between the oil tank, the first oil guide pipe, the micro oil pump, the telescopic hose and the second oil guide pipe which are arranged and the oil cavity, and the use is more convenient.

Drawings

Fig. 1 is a schematic structural view of a display device for law major teaching.

Fig. 2 is a schematic top sectional view of a first display board and a second display board of a display device for law teaching.

Fig. 3 is a rear view schematic structure of a first display board and a second display board in the display device for law major teaching.

Fig. 4 is a schematic structural view of a second display board of the display device for law teaching.

Fig. 5 is a schematic top view of a portion of a display device for legal profession teaching.

In the figure: 1. a supporting seat; 2. a shaft sleeve; 3. a second rotating shaft; 4. a first display board; 5. a first motor; 6. a first rotating shaft; 7. a first gear; 8. a second gear; 9. a slide bar; 10. a first support bar; 11. a second support bar; 12. a chute; 13. a buffer spring; 14. an oil chamber; 15. an oil tank; 16. a first oil guide pipe; 17. a micro oil pump; 18. a flexible hose; 19. a second oil guide pipe; 20. a universal wheel; 21. a brake pedal; 22. a slot; 23. a second display board; 24. a second motor; 25. an externally threaded rod; 26. an inner threaded rod; 27. a connecting rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-5, a display device for law major teaching includes asupport base 1, afirst display plate 4, asecond gear 8, asecond support rod 11, anoil tank 15, asecond oil conduit 19, anexternal screw rod 25 and a connectingrod 27; afirst motor 5 is arranged on the right side above the supportingseat 1, the model of thefirst motor 5 is 51K120RA-CF, a first rotatingshaft 6 is arranged on thefirst motor 5, afirst gear 7 is arranged on the first rotatingshaft 6, ashaft sleeve 2 is arranged on the left side above the supportingseat 1, a second rotatingshaft 3 is arranged on theshaft sleeve 2, asecond gear 8 is arranged above the second rotatingshaft 3, thefirst gear 7 and thesecond gear 8 are mutually meshed and connected, afirst display board 4 is arranged above the second rotatingshaft 3, can drivefirst pivot 6 throughfirst motor 5 and rotate,first pivot 6 can drivefirst gear 7 and rotate, andfirst gear 7 can drivesecond gear 8 and rotate, andsecond gear 8 can drivesecond pivot 3 and rotate, andsecond pivot 3 can drivefirst show board 4 and rotate, makesfirst show board 4 can rotate to the direction of difference, demonstrates to the student of sitting in the equidirectional not.

Four slidingrods 9 are uniformly arranged below the supportingseat 1, thesliding rods 9 are fixedly connected with the supportingseat 1 in a welding mode, a first supportingrod 10 is arranged below thesliding rods 9, asliding groove 12 is arranged above the first supportingrod 10, thesliding rods 9 are arranged in thesliding groove 12, abuffer spring 13 is arranged on each slidingrod 9, thespring 13 is arranged between the supportingseat 1 and the first supportingrod 10, a second supportingrod 11 is arranged below the first supportingrod 10, anoil cavity 14 is arranged in the second supportingrod 11, auniversal wheel 20 is arranged below the second supportingrod 11, abrake pedal 21 is arranged on eachuniversal wheel 20, anoil tank 15 is arranged in the middle of the lower part of the supportingseat 1, firstoil guide pipes 16 are arranged below the left side and the right side of theoil tank 15, amicro oil pump 17 is arranged on each firstoil guide pipe 16, and atelescopic hose 18 is arranged on one side, far away from theoil tank 15, the secondoil guide pipe 19 is installed below thetelescopic hose 18, one side, far away from thetelescopic hose 18, of the secondoil guide pipe 19 is connected into theoil cavity 14, hydraulic oil in theoil cavity 15 can be injected into theoil cavity 14 through themicro oil pump 17, meanwhile, the hydraulic oil in theoil cavity 14 can be pumped back into theoil cavity 15, the hydraulic oil in theoil cavity 14 is increased or reduced, the supportingseat 1 can be made to ascend or descend, and therefore the height of thefirst display plate 4 can be controlled.

The left side and the right side of the inside of thefirst display board 4 are respectively provided with aslot 22, asecond display board 23 is arranged in theslot 22, asecond motor 24 is arranged in the middle of the rear side of thefirst display board 4, the model of thesecond motor 24 is YVF-132M-4P, external threadedrods 25 are arranged on the left side and the right side of thesecond motor 24, an internal threadedrod 26 is arranged on the external threadedrod 25, a connectingrod 27 is arranged on one side of the internal threadedrod 26 far away from the external threadedrod 25, the connectingrod 27 is fixedly connected with the back of thesecond display board 23, theexternal screw rod 25 can be driven to rotate by the forward rotation or reverse rotation of thesecond motor 24, theexternal screw rod 25 can drive theinternal screw rod 26 to move left and right, theinternal screw rod 26 can drive thesecond display board 23 to move left and right through the connectingrod 27, so that thesecond display plate 23 is pulled out from theslot 22 when thesecond display plate 23 is needed to be used, and thesecond display plate 23 is pushed into theslot 22 when thesecond display plate 23 is not used.

The working principle of the invention is as follows: firstly, controlling the amount of hydraulic oil in anoil cavity 14 by the action of amicro oil pump 17 as required, so that a first supportingrod 10 drives a supportingseat 1 to ascend or descend, thereby adjusting the height of afirst display board 4, afirst motor 5 drives a first rotatingshaft 6 to rotate, the first rotatingshaft 6 drives afirst gear 7 to rotate, thefirst gear 7 drives asecond gear 8 to rotate, thesecond gear 8 drives a second rotatingshaft 3 to rotate, and the second rotatingshaft 3 drives thefirst display board 4 to rotate to a specified direction; when multiple show contrasts need to be carried out, startsecond motor 24, driveexternal screw rod 25 throughsecond motor 24 and rotate,external screw rod 25 drivesinternal screw rod 26 and removes,internal screw rod 26 drivessecond show board 23 through connectingrod 27 and removes, pull outsecond show board 23 fromslot 22, then place different teaching files respectively and compare onfirst show board 4 andsecond show board 23, after the use, counter-rotationsecond motor 24 makessecond show board 23 remove toslot 22.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (6)

1. A display device for law major teaching comprises a supporting seat (1), a first display board (4), a second gear (8), a second supporting rod (11), an oil tank (15), a second oil guide pipe (19), an external threaded rod (25) and a connecting rod (27), and is characterized in that a first motor (5) is installed on the right side above the supporting seat (1), a first rotating shaft (6) is installed on the first motor (5), a first gear (7) is installed on the first rotating shaft (6), a shaft sleeve (2) is installed on the left side above the supporting seat (1), a second rotating shaft (3) is installed on the shaft sleeve (2), a second gear (8) is installed above the second rotating shaft (3), and the first display board (4) is installed above the second rotating shaft (3); four sliding rods (9) are uniformly arranged below the supporting seat (1), a first supporting rod (10) is arranged below the sliding rods (9), a sliding groove (12) is arranged above the first supporting rod (10), the sliding rods (9) are arranged in the sliding groove (12), a second supporting rod (11) is arranged below the first supporting rod (10), an oil cavity (14) is arranged in the second supporting rod (11), an oil tank (15) is arranged in the middle of the lower part of the supporting seat (1), first oil guide pipes (16) are arranged below the left side and the right side of the oil tank (15), a micro oil pump (17) is arranged on the first oil guide pipes (16), a telescopic hose (18) is arranged on one side, far away from the oil tank (15), of the first oil guide pipes (16), and a second oil guide pipe (19) is arranged below the telescopic hose (18); the left and right sides of first show board (4) inside is provided with slot (22) respectively, installs second show board (23) in slot (22), installs second motor (24) in the middle of the rear side of first show board (4), and external screw rod (25) are installed to the left and right sides of second motor (24), installs internal thread pole (26) on external screw rod (25).

2. Display apparatus for legal profession teaching according to claim 1, characterised in that the first gear wheel (7) and the second gear wheel (8) are in meshed connection with each other.

3. Display device for the professional teaching of law according to claim 1, wherein said slide rod (9) is provided with a buffer spring (13), the spring (13) being arranged between the support (1) and the first support rod (10).

4. The display device for the law specialty teaching according to claim 1, wherein a universal wheel (20) is mounted below the second support bar (11), and a brake pedal (21) is arranged on the universal wheel (20).

5. Display device for legal profession teaching according to claim 1, characterized in that the side of the second oil conduit (19) remote from the flexible hose (18) is connected into the oil chamber (14).

6. Display device for legal profession teaching according to claim 1, characterized in that the side of the internally threaded rod (26) remote from the externally threaded rod (25) is fitted with a connecting rod (27), the connecting rod (27) being fixedly connected to the back of the second display board (23).

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