CN213720547U

CN213720547U - Specimen display device for biological teaching

Info

Publication number: CN213720547U
Application number: CN202022643102.9U
Authority: CN
Inventors: 邵思聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-20
Anticipated expiration: 2030-11-16

Abstract

The utility model belongs to the technical field of teaching tools, in particular to a specimen display device for biological teaching, which comprises a cart, wherein a multifunctional device box is arranged at the top of the cart, a transverse clapboard and a vertical clapboard are arranged inside the multifunctional device box, two first motors are arranged at the top of the transverse clapboard, the output shaft of the first motor is fixedly connected with a first lifting screw, the first lifting screw is in screw transmission connection with the multifunctional display device, two first guide slide bars are arranged at the top of the transverse clapboard, the two first guide slide bars are inserted into the inner cavity of the multifunctional display device and are in sliding connection with the multifunctional display device, a lifting teaching display device is arranged at the top of the cart, the transverse clapboard and the vertical clapboard are matched to form a plurality of storage spaces, the front side of the multifunctional device box is hinged with a box door, a control device is arranged on the right side wall of the multifunctional device box, the device can lead students to more intuitively learn biological knowledge, effectively promote student's learning effect, make things convenient for teacher's teaching simultaneously.

Description

Specimen display device for biological teaching

Technical Field

The utility model belongs to the technical field of teaching tool, concretely relates to sample display device for biological teaching.

Background

Biology is the science of studying the structure, function, occurrence and development laws of organisms (including plants, animals and microorganisms) and is a part of the natural science. Aims to clarify and control life activities, transform nature and provide practical services for agriculture, industry, medicine and the like. For thousands of years, China has accumulated rich knowledge about plants, animals, microorganisms, and humans in agriculture, forestry, pasture, sideline, fishery, and medical practices. In 1859, the release of Darwinian's species origin' by Bo physicist of UK established the concept of materialist biogenesis, promoted the rapid development of biology, and the biology department became an important subject in the middle school and university teaching.

Compared with the prior art the problem that exists:

in biological class teaching, need use dedicated sample display device to carry out the show of sample, cooperate teacher's explanation, impart knowledge to students, but sample display device for the biological teaching who has now often only possesses simple display function, because the student is more, some students are far away from display device, lead to the teaching effect not good, and teacher explains comparatively inconveniently, is difficult to satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a sample display device for biological teaching through multi-functional display device, teaching display device and over-and-under type teaching display device's setting, makes the more audio-visual study that carries out biological knowledge of student, effectively promotes student's learning effect, makes things convenient for teacher's teaching simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a specimen display device for biological teaching comprises a cart, wherein a multifunctional device box is installed at the top of the cart, a transverse partition plate and a vertical partition plate are installed inside the multifunctional device box, two first motors are installed at the top of the transverse partition plate, output shafts of the first motors are fixedly connected with a first lifting screw, the first lifting screw is in spiral transmission connection with the multifunctional display device, two first guide slide bars are installed at the top of the transverse partition plate, the two first guide slide bars are inserted into an inner cavity of the multifunctional display device and are in sliding connection with the multifunctional display device, a lifting teaching display device is installed at the top of the cart, the transverse partition plate and the vertical partition plate are matched to form a plurality of storage spaces, a box door is hinged to the front side of the multifunctional device box, and a control device is installed on the right side wall of the multifunctional device box, and the top of the cart is provided with a wire holder.

Specifically, multi-functional display device includes the display device bottom plate, four spliced poles are installed at the top of display device bottom plate, the display device roof is installed at the top of spliced pole, two sets of show strorage devices are installed at the top of display device bottom plate, display camera device is installed at the top of display device roof, the top of display device roof is installed the sample teaching and is placed the platform, through the operation of the first motor of controlling means control, and the operation of first motor drives first lifting screw and rotates to drive multi-functional display device through screw drive and rise under the cooperation of first direction slide bar, make the top surface of display device roof and multi-functional device case flush, make show strorage device remove the top of many function device cases and carry out the show of sample, supply the student to observe closely.

Specifically, the display and storage device comprises a first bearing seat, a connecting shaft is clamped in an inner cavity of the first bearing seat, the top end of the connecting shaft is clamped with the second bearing seat, the outer side of the connecting shaft is fixedly sleeved with a first display storage table and a second display storage table, specimen box fixing plates are arranged at the tops of the first display storage table and the second display storage table, two first magnetic suction blocks are fixedly arranged at the top of the specimen box fixing plate, a specimen box is arranged at the top of the specimen box fixing plate, when a teacher takes a specimen and students observe the specimen in a close range, the connecting shaft can rotate because the connecting shaft is clamped in the inner rings of the first bearing seat and the second bearing seat, thereby the platform is deposited in the first show of rotation and the platform is deposited in the second show, the selection of teacher to the sample and the student closely observe the sample of being convenient for.

Specifically, the bottom of specimen box is equipped with two jacks, two the joint has the second magnetism to inhale the piece in the inner chamber of jack, and the specimen box is inhaled the piece through second magnetism and is inhaled piece magnetism and inhale piece and third magnetism and inhale the piece magnetism and fix.

Specifically, the display camera device comprises a damping rotating shaft seat, the damping rotating shaft seat is rotatably connected with a teaching display device through a damping rotating shaft, a camera device fixing seat is fixedly arranged on the rear side wall of the teaching display device, a camera device holding handle is inserted on the camera device fixing seat, the top of the camera device holding handle is connected with a connecting wire, the other end of the connecting wire is connected with a wire inserting hole on the teaching display device, a camera is arranged at the bottom of the camera device holding handle, a video output interface is arranged on the teaching display device and is connected with the input end of a video screen signal wire, the teaching display device in a folded state is rotated towards a teacher through the matching of the damping rotating shaft seat and the damping rotating shaft, the camera device holding handle is taken down from the camera device fixing seat, and the camera, the teaching display device and a large-size liquid crystal display screen are opened, the camera can be utilized to shoot and explain the specimen, and the shot video content is transmitted to the teaching display device to be displayed for the teacher to compare and watch.

The specimen teaching placing table comprises a third bearing seat, a placing table rotating shaft is connected to an inner cavity of the third bearing seat in a clamped mode, the placing table is connected to the top of the placing table rotating shaft in a screwed mode, two third magnetic suction blocks are installed at the top of the placing table, when a specimen is shot and explained, the specimen box is placed above the placing table, the third magnetic suction blocks are matched with the second magnetic suction blocks at the bottom of the specimen box, the specimen box is fixed in a magnetic suction mode, in the explaining and shooting process, the third bearing seat can be used for enabling the specimen to be conveniently shot at all angles through the third bearing seat and the placing table rotating shaft in a matched mode.

Specifically, the lifting teaching display device comprises a first guide rail and a second guide rail, the first guide rail and the second guide rail are screwed on the top of the cart, the inner cavities of the first guide rail and the second guide rail are respectively in sliding connection with a first lifting sliding column and a second lifting sliding column, a large-size liquid crystal display screen is installed between the first lifting sliding column and the second lifting sliding column, a connecting cross beam is connected between the first lifting sliding column and the second lifting sliding column, the front side and the rear side of the first guide rail and the second guide rail are respectively screwed with a protective plate, a fourth bearing seat and a second guide sliding rod are respectively installed on the inner bottom wall of the first guide rail and the inner bottom wall of the second guide rail, a second lifting screw rod is clamped in the inner cavity of the fourth bearing seat, the second lifting screw rod is in spiral transmission connection with the first lifting sliding column, the second guide sliding rod is inserted into the inner cavity of the second lifting sliding column and is in sliding connection with the second lifting sliding column, a first bevel gear is sleeved on the outer side of the second lifting screw rod and meshed with a second bevel gear which is fixedly installed on an output shaft of a second motor, the second motor is screwed on the left side of the first guide rail, and a video input interface is arranged on the large-size liquid crystal display screen; the video input interface is connected with the output connector of the video signal line, when a teacher takes pictures and explains, the operation of the second motor is controlled by the control device, the operation of the second motor drives the second bevel gear to rotate, the rotation of the second bevel gear drives the rotation of the first bevel gear, the rotation of the first bevel gear drives the rotation of the second lifting screw, the rotation of the second lifting screw drives the first lifting sliding column, together with the connecting beam and the second lifting sliding column, to ascend along the first guide rail and the second guide rail under the coordination of the second guide sliding rod, so that the large-size liquid crystal display screen ascends to a position higher than the protection plate, which is convenient for students to watch the contents taken by the camera, when the device is not used, the second motor is controlled to reversely rotate, the second lifting screw drives the large-size liquid crystal display screen to descend between the two blocks and be protected by the protection plate, prevent the damage that the mistake bumped and brought to jumbo size liquid crystal display.

Specifically, the bottom of shallow is installed the universal wheel, through the universal wheel, can make this device turn to and remove in a flexible way.

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

after the device is moved to a classroom, the device is connected with a power supply through a power line on a wire holder and electrified, a teaching display device in a folded state rotates to face a teacher through the matching of a damping rotating shaft seat and a damping rotating shaft, a control device controls a second motor to operate, the operation of the second motor drives a second bevel gear to rotate, the rotation of the second bevel gear drives a first bevel gear to rotate, the rotation of the first bevel gear drives a second lifting screw to rotate, the rotation of the second lifting screw drives a first lifting sliding column and a connecting beam and a second lifting sliding column to ascend along a first guide rail and a second guide rail under the matching of a second guide sliding rod, so that a large-size liquid crystal display screen ascends to the upper part of a protection plate, a box door is opened, a specimen box on a specimen box fixing plate is taken out and placed on a placing table, and a second magnetic attraction block at the bottom of the specimen box and a third magnetic attraction block at the top of the placing table are fixed, the sample box is opened, the camera grab handle is taken down from the camera fixing seat, the camera, the teaching display device and the large-size liquid crystal display screen are opened, the camera can be used for shooting and explaining the sample, the shot video content is transmitted to the teaching display device to be displayed for a teacher to compare and watch, in the process of shooting for explanation, the placing table can be rotated through the cooperation of the third bearing seat and the rotating shaft of the placing table, so that the sample can be shot at various angles conveniently, meanwhile, the video content is transmitted to the large-size liquid crystal display screen through a video signal line to be displayed for the students to watch, and the students can learn biological knowledge more intuitively by cooperating with the explanation of the teacher, so that the learning effect of the students is effectively improved, and the teaching of the teacher is facilitated;

the operation of the first motor is controlled by the control device, the operation of the first motor drives the first lifting screw to rotate, so that the multifunctional display device is driven by screw transmission to ascend under the matching of the first guide slide bar, a top plate of the display device is flush with the top surface of the multifunctional device box, the display storage device is moved to the upper part of the multifunctional device box to display samples for students to observe closely, in the process of observing the samples by the students, the connecting shafts in the first bearing seat and the second bearing seat can be rotated to rotate the first display storage platform and the second display storage platform, so that the samples can be conveniently observed, when the multifunctional display device is not used, the first motor is controlled to reversely operate, the multifunctional display device is driven by the first lifting screw to descend, the multifunctional display device is retracted into the multifunctional device box, when teaching work is not carried out, the samples can be protected by the multifunctional device box, the multifunctional demonstration device can be stored on the demonstration storage device for a long time, the top plate of the demonstration device can be used as a table plate, when the multifunctional demonstration device is retracted into the multifunctional device box, a teacher can write on the multifunctional demonstration device and place articles, in conclusion, the multifunctional demonstration device can be used for storing specimens, can also be used as a demonstration device for students to watch in a short distance in the teaching process, and can also be used as a platform, so that the practicability and the versatility are greatly increased;

this device is equipped with horizontal separators and vertical baffle, and horizontal separators and vertical baffle combination form storing space, can be used to deposit teaching books and debris etc..

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of an axial measurement structure when the large-sized LCD panel of the present invention is lifted;

FIG. 2 is a schematic view of the shaft measuring structure when the multifunctional display device of the present invention is lifted;

FIG. 3 is a schematic front sectional view of the present invention;

FIG. 4 is a schematic left side view of the cross-sectional structure of the present invention;

FIG. 5 is a schematic view of the display and storage device of the present invention;

FIG. 6 is a schematic view of the axis measurement below the specimen box of the present invention;

FIG. 7 is a rear axial view of the lifting teaching display device of the present invention;

FIG. 8 is a schematic view of the rear axle measurement of the lifting teaching display device of the present invention without a protection board;

fig. 9 is a rear view cross-sectional view of the lifting teaching display device of the present invention.

In the figure: 100. pushing a cart; 110. a universal wheel; 200. a multifunctional device case; 210. a transverse partition; 220. a vertical partition plate; 230. a storage space; 240. a box door; 310. a first motor; 320. a first lifting screw; 330. a first guide slide bar; 400. a multifunctional display device; 410. a display device base plate; 420. connecting columns; 430. a display top panel; 440. a display storage device; 441. a first bearing housing; 442. a connecting shaft; 443. a second bearing housing; 444. a first display storage table; 445. a second display storage table; 446. a specimen box fixing plate; 447. a first magnetic attraction block; 448. a specimen box; 449. a second magnetic attraction block; 450. a display camera device; 451. a damping rotating shaft seat; 452. a teaching display device; 453. a camera device fixing seat; 454. a camera device grip; 455. a camera; 460. a specimen teaching apparatus stage; 461. a third bearing seat; 462. a placing table rotating shaft; 463. a placing table; 464. a third magnetic block; 500. a lifting type teaching display device; 511. a first guide rail; 512. a second guide rail; 521. a first lifting sliding column; 522. a second lifting sliding column; 523. connecting the cross beam; 530. a large-sized liquid crystal display screen; 540. a protection plate; 550. a fourth bearing seat; 551 a second lifting screw rod, 560 and a second guide slide rod; 570 a first bevel gear; 580. a second bevel gear; 590. a second motor; 600. a control device; 700. a wire holder.

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.

Example 1

Referring to fig. 1-9, the present invention provides the following technical solutions: a specimen display device for biological teaching comprises a cart 100, a multifunctional device box 200 is installed at the top of the cart 100, a transverse partition plate 210 and a vertical partition plate 220 are installed inside the multifunctional device box 200, two first motors 310 are installed at the top of the transverse partition plate 210, the output shafts of the first motors 310 are fixedly connected with a first lifting screw 320, the first lifting screw 320 is in spiral transmission connection with a multifunctional display device 400, two first guide slide bars 330 are installed at the top of the transverse partition plate 210, the two first guide slide bars 330 are inserted into the inner cavity of the multifunctional display device 400 and are in sliding connection with the multifunctional display device 400, a lifting teaching display device 500 is installed at the top of the cart 100, the transverse partition plate 210 and the vertical partition plate 220 are matched to form a plurality of storage spaces 230, and a box door 240 is hinged to the front side of the multifunctional device box 200, the control device 600 is installed on the right side wall of the multifunctional device case 200, and the wire holder 700 is installed on the top of the cart 100.

In this embodiment: including shallow 100, multi-functional device case 200 is installed at the top of shallow 100, and multi-functional device case 200 is the equal open-ended aluminum alloy box in top and front side, the internally mounted of multi-functional device case 200 has horizontal separators 210 and vertical separators 220, two first motors 310 are installed at the top of horizontal separators 210, the output shaft and the first lifting screw 320 fixed connection of first motor 310, first lifting screw 320 is connected with multi-functional display device 400 spiral transmission, two first direction slide bars 330 are installed at the top of horizontal separators 210, two first direction slide bars 330 insert in the inner chamber of multi-functional display device 400 rather than sliding connection, over-and-under type teaching display device 500 is installed at the top of shallow 100, horizontal separators 210 and vertical separators 220 cooperate and form a plurality of storing space 230, the front side of multi-functional device case 200 articulates there is chamber door 240, the control device 600 is installed on the right side wall of the multifunctional device case 200, and the wire holder 700 is installed on the top of the cart 100.

Specifically, the multifunctional display device 400 comprises a display device bottom plate 410, four connecting columns 420 are installed at the top of the display device bottom plate 410, a display device top plate 430 is installed at the top of the connecting columns 420, two groups of display storage devices 440 are installed at the top of the display device bottom plate 410, a display camera device 450 is installed at the top of the display device top plate 430, a specimen teaching placement platform 460 is installed at the top of the display device top plate 430, the first motor 310 is controlled to operate through a control device, the first motor 310 operates to drive the first lifting screw 320 to rotate, so that the multifunctional display device 400 is driven to ascend through screw transmission under the cooperation of the first guide slide bar 330, the display device top plate 430 is flush with the top surface of the multifunctional device box 200, and the display storage devices 440 are moved to the upper side of the multifunctional device box 200 to display specimens, for close-up viewing by students, and display top panel 430 may serve as a table upon which teachers may write and place items when multi-function display 400 is retracted inside multi-function device case 200.

Specifically, the display and storage device 440 includes a first bearing seat 441, a connecting shaft 442 is clamped in an inner cavity of the first bearing seat 441, the top end of the connecting shaft 442 is clamped with the second bearing seat 443, the outer side of the connecting shaft 442 is fixedly sleeved with a first display storage table 444 and a second display storage table 445, a specimen box fixing plate 446 is arranged on the top of each of the first display and storage table 444 and the second display and storage table 445, two first magnetic suction blocks 447 are fixedly mounted at the top of the specimen box fixing plate 446, a specimen box 448 is placed at the top of the specimen box fixing plate 446, when a teacher takes a specimen and a student observes the specimen at a close distance, the connecting shaft 442 is clamped in the inner rings of the first bearing seat 441 and the second bearing seat 443 and can rotate, thereby rotating the first display storage platform 444 and the second display storage platform 445 to facilitate the selection of the specimen by the teacher and the close-range observation of the specimen by the students.

Specifically, the bottom of specimen box 448 is equipped with two jacks, two block 449 is inhaled to the joint second magnetism in the inner chamber of jack, and specimen box 448 is inhaled the block 449 and is inhaled with first magnetism 447 and the magnetism of third magnetism 464 magnetism fixedly through second magnetism.

Specifically, the display camera device 450 includes a damping rotation shaft seat 451, the damping rotation shaft seat 451 is rotatably connected with a teaching display device 452 through a damping rotation shaft, a camera device fixing seat 453 is fixedly installed on a rear side wall of the teaching display device 452, a camera device handle 454 is inserted into the camera device fixing seat 453, the top of the camera device handle 454 is connected with a connecting wire, the other end of the connecting wire is connected with a wire insertion hole on the teaching display device 452, a camera 455 is installed at the bottom of the camera device handle 454, a video output interface is arranged on the teaching display device 452, the video output interface is connected with an input end of a video signal line, the teaching display device 452 in a folded state is rotated to face a teacher through the damping rotation shaft seat 451 and the damping rotation shaft in a matching manner, the camera device handle 454 is taken down from the camera device fixing seat 453, the camera 455, the teaching display device 452 and the large-size liquid crystal display screen 530 are opened, the camera 455 can be used for shooting and explaining the specimen, and the shot video content is transmitted to the teaching display device 452 to be displayed for the teacher to view in a contrast manner.

Specifically, platform 460 is placed in specimen teaching includes third bearing seat 461, the inner chamber joint of third bearing seat 461 has places platform pivot 462, the top spiro union of placing platform pivot 462 has places platform 463, place the top of platform 463 and install two third magnetism and inhale the piece 464, when shooing the explanation to the specimen, place specimen box 448 in the top of placing platform 463, inhale the piece 449 cooperation of piece 464 and the second magnetism of specimen box 448 bottom through the third magnetism, inhale fixedly to specimen box 448 magnetism, the in-process is shot in the explanation, accessible third bearing seat 461 and place platform pivot 462 cooperation and rotate and place platform 463 to be convenient for the shooting to each angle of specimen.

Specifically, the lifting teaching display device 500 includes a first guide rail 511 and a second guide rail 512, the first guide rail 511 and the second guide rail 512 are screwed on the top of the cart 100, inner cavities of the first guide rail 511 and the second guide rail 512 are respectively connected with a first lifting sliding column 521 and a second lifting sliding column 522 in a sliding manner, a large-sized liquid crystal display screen 530 is installed between the first lifting sliding column 521 and the second lifting sliding column 522, a connecting beam 523 is connected between the first lifting sliding column 521 and the second lifting sliding column 522, a protective plate 540 is screwed on front sides and rear sides of the first guide rail 511 and the second guide rail 512, a fourth bearing 520 and a second guiding sliding column 530 are respectively installed on inner bottom walls of the first guide rail 511 and the second guide rail 512, a second lifting screw 521 is fastened in an inner cavity of the fourth bearing 520, the second lifting screw 521 is in screw transmission connection with the first lifting sliding column 521, the second guide sliding rod 530 is inserted into an inner cavity of the second lifting sliding column 522 and is in sliding connection with the second lifting sliding column, a first bevel gear 550 is sleeved on the outer side of the second lifting screw 521, the first bevel gear 550 is meshed with a second bevel gear 560, the second bevel gear 560 is fixedly installed on an output shaft of a second motor 570, the second motor 570 is in threaded connection with the left side of the first guide rail 511, and the large-size liquid crystal display screen 530 is provided with a video input interface; the video input interface is connected with the output connector of the video signal line, when a teacher takes a picture and explains the picture, the control device 600 controls the second motor 590 to operate, the second motor 590 operates to drive the second bevel gear 580 to rotate, the second bevel gear 580 rotates to drive the first bevel gear 570 to rotate, the first bevel gear 570 rotates to drive the second lifting screw 551 to rotate, the second lifting screw 551 rotates to drive the first lifting sliding column 521, the connecting beam 523 and the second lifting sliding column 522 to ascend along the first guide rail 511 and the second guide rail 512 under the coordination of the second guide sliding rod 560, so that the large-size liquid crystal display screen 530 ascends to a position higher than the protection plate, the student can conveniently watch the content taken by the camera 455, when the device is not in use, the second motor 590 is controlled to reversely operate, the second lifting screw 551 drives the large-size liquid crystal display screen 530 to descend between the two protection plates 540, the damage to the large-sized liquid crystal display screen 530 caused by the mis-touch is prevented by the protection of the protection plate 540.

Specifically, the bottom of the cart 100 is provided with universal wheels 110, and the device can be steered and moved flexibly through the universal wheels 110.

The working principle and the using process of the invention are as follows: the device moves through the universal wheel 110 at the bottom of the cart 100, teaching books, sundries and the like can be stored in the storage space 230 formed by combining the transverse partition plate 210 and the vertical partition plate 220, before teaching, the specimen box 448 is placed on the specimen box fixing plate 446 on the first display storage table 444 and the second display storage table 445, the box door 240 can be closed after the magnetic attraction is carried out through the cooperation of the first magnetic attraction block 447 at the top of the specimen box fixing plate 446 and the second magnetic attraction block 449 at the bottom of the specimen box 448, the device is moved to a classroom, after the device is moved to the classroom, the device is connected and electrified through the power line on the wire holder 700, the teaching display device 452 in a folded state is rotated to face a teacher through the cooperation of the damping rotating shaft seat 451 and the damping rotating shaft, the second motor 590 is controlled to operate through the control device 600, the second bevel gear 580 is driven by the operation of the second motor 590 to rotate, the rotation of the second bevel gear 580 drives the rotation of the first bevel gear 570, the rotation of the first bevel gear 570 drives the rotation of the second lifting screw 551, the rotation of the second lifting screw 551 drives the first lifting sliding column 521, together with the connecting beam 523 and the second lifting sliding column 522, to ascend along the first guide rail 511 and the second guide rail 512 under the cooperation of the second guide sliding rod 560, so that the large-sized liquid crystal display screen 530 ascends above the protection plate 540 for the students to watch, the door 240 is opened, the specimen box 448 on the specimen box fixing plate 446 is taken out and placed on the placing table 463, the second magnetic attraction block 449 at the bottom of the specimen box 448 and the third magnetic attraction block 464 at the top of the placing table 463 are magnetically attracted and fixed, the specimen box 448 is opened, the camera holding handle 454 is taken down from the camera fixing seat 453, the camera 455, the teaching display device 452 and the large-sized liquid crystal display screen 530 are opened, the camera 455 can be used to shoot and explain the specimen, the shot video content is transmitted to the teaching display device 452 for display, and the teacher can see the specimen, during the shooting process for explanation, the third bearing seat 461 and the placing platform shaft 462 can be matched to rotate the placing platform 463, so as to facilitate the shooting of the specimen at various angles, meanwhile, the video content is transmitted to the large-sized liquid crystal display screen 530 through the video signal line to be displayed, so that the student can see the specimen, and the student can learn biological knowledge more visually by matching with the explanation of the teacher, and the top plate 430 of the display device can be used as a table plate, the teacher can write on the specimen and place articles, the teacher can also control the first motor 310 to operate through the control device, the operation of the first motor 310 drives the first lifting screw 320 to rotate, so as to drive the multifunctional display device 400 to ascend through the matching of the first guide slide bar 330 through the screw transmission, the top board 430 of the display device is flush with the top surface of the multifunctional device box 200, the display storage device 440 is moved to the upper part of the multifunctional device box 200 for the students to observe the samples in a short distance, and the students can rotate the connecting shaft 442 in the first bearing seat 441 and the second bearing seat 443 to rotate the first display storage platform 444 and the second display storage platform 445, so as to facilitate the observation of the samples, when the device is not used, the first motor 310 and the second motor 590 are controlled to run in reverse, the multifunctional display device 400 and the large-size liquid crystal display screen 530 are driven to descend by the first lifting screw 320 and the second lifting screw 551, the multifunctional display device 400 is retracted into the multifunctional device box 200, the samples can be stored on the display storage device 440, and the large-size liquid crystal display screen 530 descends between the two protective boards 540, the damage to the large-sized liquid crystal display screen 530 caused by the accidental touch is prevented.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sample display device for biological teaching which characterized in that: including shallow (100), multi-functional device case (200) is installed at the top of shallow (100), internally mounted of multi-functional device case (200) has horizontal baffle (210) and vertical baffle (220), two first motors (310) are installed at the top of horizontal baffle (210), the output shaft and the first lifting screw (320) fixed connection of first motor (310), first lifting screw (320) is connected with multi-functional display device (400) screw drive, two first guide slide bars (330) are installed at the top of horizontal baffle (210), two first guide slide bars (330) insert in the inner chamber of multi-functional display device (400) rather than sliding connection, over-and-under type teaching display device (500) is installed at the top of shallow (100), horizontal baffle (210) and vertical baffle (220) cooperate and form a plurality of storing space (230), the front side of multi-functional device case (200) articulates there is chamber door (240), controlling means (600) are installed to the right side wall of multi-functional device case (200), wire holder (700) are installed at the top of shallow (100).

2. The specimen presentation device for biological teaching according to claim 1, wherein: the multifunctional display device (400) comprises a display device bottom plate (410), four connecting columns (420) are installed at the top of the display device bottom plate (410), a display device top plate (430) is installed at the top of the connecting columns (420), two groups of display storage devices (440) are installed at the top of the display device bottom plate (410), a display camera device (450) is installed at the top of the display device top plate (430), and a specimen teaching placement table (460) is installed at the top of the display device top plate (430).

3. The specimen presentation device for biological teaching according to claim 2, wherein: show strorage device (440) includes first bearing frame (441), joint in the inner chamber of first bearing frame (441) has connecting axle (442), the top and second bearing frame (443) joint of connecting axle (442), fixed the cup jointing in the outside of connecting axle (442) has first show storage table (444) and second show storage table (445), specimen box fixed plate (446) are all installed at the top of first show storage table (444) and second show storage table (445), the top fixed mounting of specimen box fixed plate (446) has two first magnetism to inhale piece (447), specimen box (448) have been placed at the top of specimen box fixed plate (446).

4. The specimen presentation device for biological teaching according to claim 3, wherein: the bottom of specimen box (448) is equipped with two jacks, two block (449) are inhaled to the joint second magnetism in the inner chamber of jack.

5. The specimen presentation device for biological teaching according to claim 2, wherein: show camera device (450) including damping pivot seat (451), damping pivot seat (451) rotate with teaching display device (452) through the damping pivot and are connected, the back lateral wall fixed mounting of teaching display device (452) has camera device fixing base (453), camera device grab handle (454) have been inserted on camera device fixing base (453), the top of camera device grab handle (454) is connected with the connecting wire, the other end of connecting wire with plug-in wire hole on teaching display device (452) is connected, camera (455) are installed to the bottom of camera device grab handle (454), be equipped with the video output interface on teaching display device (452).

6. The specimen presentation device for biological teaching according to claim 2, wherein: the specimen teaching placing table (460) comprises a third bearing seat (461), a placing table rotating shaft (462) is connected to an inner cavity of the third bearing seat (461) in a clamped mode, a placing table (463) is connected to the top of the placing table rotating shaft (462) in a screwed mode, and two third magnetic suction blocks (464) are installed at the top of the placing table (463).

7. The specimen presentation device for biological teaching according to claim 1, wherein: the lifting teaching display device (500) comprises a first guide rail (511) and a second guide rail (512), the first guide rail (511) and the second guide rail (512) are screwed on the top of the cart (100), inner cavities of the first guide rail (511) and the second guide rail (512) are respectively in sliding connection with a first lifting sliding column (521) and a second lifting sliding column (522), a large-size liquid crystal display screen (530) is installed between the first lifting sliding column (521) and the second lifting sliding column (522), a connecting crossbeam (523) is connected between the first lifting sliding column (521) and the second lifting sliding column (522), a protective plate (540) is respectively screwed on the front side and the rear side of the first guide rail (511) and the second guide rail (512), a fourth bearing seat (550) and a second guide sliding rod (560) are respectively installed on inner bottom walls of the first guide rail (511) and the second guide rail (512), the inner cavity of the fourth bearing seat (550) is clamped with a second lifting screw (551), the second lifting screw (551) is in spiral transmission connection with the first lifting sliding column (521), the second guide sliding rod (560) is inserted into the inner cavity of the second lifting sliding column (522) and is in sliding connection with the second lifting sliding column, a first bevel gear (570) is sleeved on the outer side of the second lifting screw (551), the first bevel gear (570) is meshed with a second bevel gear (580), the second bevel gear (580) is fixedly installed on an output shaft of a second motor (590), the second motor (590) is in threaded connection with the left side of the first guide rail (511), and a video input interface is arranged on the large-size liquid crystal display screen (530).

8. The specimen presentation device for biological teaching according to claim 1, wherein: the bottom of the cart (100) is provided with universal wheels (110).