CN212140027U

CN212140027U - Teaching device for electronic information display

Info

Publication number: CN212140027U
Application number: CN201922410373.7U
Authority: CN
Inventors: 王成
Original assignee: Hunan Financial and Industrial Vocational Technical College
Current assignee: Hunan Financial and Industrial Vocational Technical College
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-12-15
Anticipated expiration: 2029-12-28

Abstract

The utility model provides a teaching device for electronic information show, includes display device main part and show stand, the inside of display device main part is provided with the show stand, the inside of display device main part is provided with receiving mechanism, receiving mechanism includes hinge bar, sliding block, spout, circle piece, two-way lead screw, two-way asynchronous machine, vaulting pole, slider, slide rail, clear cover and first switch, the intermediate position department of show stand bottom articulates there are two hinge bars, and the bottom of hinge bar articulates respectively on the top of two sliding blocks, the sliding block gomphosis is in the inside of spout, the top at the circle piece is seted up to the spout, the inside at the display device main part is installed to the circle piece. The utility model discloses the realization is adjusted the show stand and is accomodate, avoids the deposit dust on the show stand, and the show stand keeps clean, and tiny electronic circuit uses not influenced, more does benefit to the use of mr and classmate in the teaching.

Description

Teaching device for electronic information display

Technical Field

The utility model relates to a teaching technical field specifically is a teaching device for electronic information show.

Background

The electronic information display teaching device is a display device for an electronic teaching laboratory, and a large amount of circuit information is connected on a display board for teachers to explain principles of electronic circuit information for school teaching, so that the existing electronic information display teaching device basically meets teaching requirements, but has some problems in use;

the existing electronic information display teaching device is placed in the air, but a laboratory course is usually once a week or once a few weeks, so that a large amount of dust can be deposited on a display table when the electronic information display teaching device is used next time, and the dust can influence the working performance of fine electronic elements, thereby influencing the use of teachers and classmates;

furthermore, every time when going to class, students are more, and everybody encloses and observes the change of circuit break-make on the electronic information show board together, but because the student is more, everybody encloses the show stand for circuit information on the show stand can not openly be observed to opposite students, thereby reduces teaching effect, and the suitability of device reduces, so a teaching device for electronic information show is needed to solve the above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching device for electronic information show to traditional show teaching device who proposes in solving above-mentioned background art leads to show stand deposit dust in arranging the air in for a long time, and the dust influences the circuit, and mr and classmate use inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching device for electronic information display comprises a display device main body and a display platform, wherein the display platform is arranged in the display device main body, a receiving mechanism is arranged in the display device main body, the receiving mechanism comprises hinged rods, sliding blocks, sliding grooves, round blocks, bidirectional screw rods, bidirectional asynchronous motors, supporting rods, sliding blocks, sliding rails, a transparent cover plate and a first switch, the two hinged rods are hinged to the middle position of the bottom end of the display platform, the bottom ends of the hinged rods are respectively hinged to the top ends of the two sliding blocks, the sliding blocks are embedded in the sliding grooves, the sliding grooves are formed in the top ends of the round blocks, the round blocks are installed in the display device main body, the bidirectional screw rods are connected between the two sliding blocks in a threaded mode, the bidirectional asynchronous motors are fixed to the outer ends of the bidirectional screw rods, the sliding rails are hinged to the top end of the display device, the outer wall of the display device main body is provided with a first switch, and the outer end of the bidirectional asynchronous motor is provided with a rotating mechanism.

Preferably, two the top of articulated mast all articulates there is the vaulting pole, and the top of vaulting pole all is fixed with the slider, the slider all inlays to be established inside the slide rail, the bottom at the show stand is all seted up to the slide rail.

Preferably, the shapes of the sliding block and the sliding rail are both trapezoidal, and the outer wall of the sliding block is abutted to the inner wall of the sliding rail.

Preferably, rotary mechanism includes annular, tooth's socket, dwang, bull stick, rolling bearing and second switch, the annular has been seted up in two-way asynchronous machine's the outside, and evenly is fixed with the tooth's socket on the inner wall of annular, the butt has the dwang in the tooth's socket, and the inner of dwang all fixes the outer end at the bull stick, the bull stick welding is in two-way asynchronous machine's outer end, rolling bearing is installed to the bottom of circle piece, and rolling bearing's bottom mounting is in the inside bottom of display device main part, install the second switch on the outer wall of display device main part.

Preferably, the output ends of the first switch and the second switch are electrically connected with the input end of the bidirectional asynchronous motor through a conducting wire.

Preferably, the rotating rod is cylindrical, and the diameter of the rotating rod is smaller than the distance between every two tooth sockets.

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

1. the teaching device for electronic information display is provided with an adjusting and accommodating mechanism, wherein the adjusting and accommodating mechanism comprises hinged rods, sliding blocks, sliding chutes, round blocks, a bidirectional screw rod, a bidirectional asynchronous motor and the like, the bidirectional screw rod at the inner end of the bidirectional asynchronous motor rotates simultaneously by opening a first switch, the two sliding blocks in threaded connection on the outer wall of the bidirectional screw rod move in the sliding chutes, the sliding blocks enable the bottom ends of the two hinged rods to be clamped towards the middle or opened towards two sides, a display table is lifted out of a display device main body for teaching use when the bottom ends of the hinged rods expand towards two sides, the display table is accommodated and the inside of the display device main body is displayed and then a sliding rail at the top end of the display device main body is covered, so that the display table is adjusted and accommodated, dust deposition on the display table is avoided, the display table is kept clean, and the use of fine electronic circuits is, the teaching aid is more beneficial to teachers and classmates in teaching.

2. This a teaching device for electronic information show is provided with rotary mechanism, wherein rotary mechanism includes the annular, the tooth's socket, the dwang, the bull stick, rolling bearing and second switch, when needing to rotate, two-way asynchronous machine's the outside begins to rotate, the bull stick and the dwang of two-way asynchronous machine outer end rotate simultaneously, the dwang passes through the engaged tooth's socket, circular motion is inside at the annular, dwang and bull stick area two-way asynchronous machine are circular motion in the annular, two-way asynchronous machine makes the circle piece rotate on rolling bearing's top, rolling bearing top circle piece area show stand rotates together, the free rotation to the show stand has been realized, make the classmate of show stand round can both clearly observe electronic circuit information and principle, mr is better at the effect of show teaching, the suitability of device promotes, consequently, more do benefit to the popularization.

Drawings

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

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is a schematic top view of a partial structure of the rotating mechanism of the present invention;

FIG. 4 is a schematic side view of the rotating rod and the partial structure of the rotating rod of the present invention;

fig. 5 is a schematic top view of the structure of the present invention.

In the figure: 1. a display device body; 2. a display stand; 311. a hinged lever; 312. a slider; 313. a chute; 314. a round block; 315. a bidirectional screw rod; 316. a bidirectional asynchronous motor; 317. a stay bar; 318. a slider; 319. a slide rail; 320. a transparent cover plate; 321. a first switch; 411. a ring groove; 412. a tooth socket; 413. rotating the rod; 414. a rotating rod; 415. a rotating bearing; 416. a second switch.

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, the present invention provides an embodiment: a teaching device for electronic information display comprises a display device main body 1 and a display platform 2, the display platform 2 is arranged in the display device main body 1, a receiving mechanism is arranged in the display device main body 1, the receiving mechanism comprises two hinge rods 311, a sliding block 312, a sliding groove 313, a round block 314, a bidirectional screw 315, a bidirectional asynchronous motor 316, a support rod 317, a sliding block 318, a sliding rail 319, a transparent cover plate 320 and a first switch 321, the middle position of the bottom end of the display platform 2 is hinged with the two hinge rods 311, the top ends of the two hinge rods 311 are hinged with the support rod 317, the top ends of the support rods 317 are all fixed with the sliding block 318, the sliding blocks 318 are all embedded in the sliding rail 319, the sliding rail 319 is all arranged at the bottom end of the display platform 2 and is used for expanding the supporting area of the bottom end of the display platform 2, so that the display platform 2 is more stable in the ascending or descending process, and the supporting effect of the display platform 2 by, the sliding blocks 318 and the sliding rails 319 are both trapezoidal, the outer walls of the sliding blocks 318 are abutted against the inner walls of the sliding rails 319, the sliding blocks 318 are embedded in the sliding rails 319 and cannot be separated from the sliding rails 319, the device is more stable in the operation process, the supporting effect of the supporting rods 317 on the display table 2 is better, the bottom ends of the hinge rods 311 are respectively hinged to the top ends of the two sliding blocks 312, the sliding blocks 312 are embedded in the sliding grooves 313, the sliding grooves 313 are formed in the top ends of the round blocks 314, the round blocks 314 are installed in the display device main body 1, a bidirectional screw 315 is in threaded connection between the two sliding blocks 312, a bidirectional asynchronous motor 316 is fixed at the outer end of the bidirectional screw 315, the type of the bidirectional asynchronous motor 316 is selected to be HJX22RAC, the two ends are both provided with output ends and can respectively rotate without interference, the top end of the display device main, a first switch 321 is arranged on the outer wall of the display device main body 1;

the outer end of the bidirectional asynchronous motor 316 is provided with a rotating mechanism, the rotating mechanism comprises a ring groove 411, a tooth groove 412, a rotating rod 413, a rotating rod 414, a rotating bearing 415 and a second switch 416, the outer side of the bidirectional asynchronous motor 316 is provided with the ring groove 411, the inner wall of the ring groove 411 is uniformly fixed with the tooth groove 412, the rotating rod 413 is abutted in the tooth groove 412, the rotating rod 413 is cylindrical, the diameter of the rotating rod 413 is smaller than the distance between every two tooth grooves 412, the rotating rod 413 is enabled to rotate in or out smoothly between the tooth grooves 412 due to the cylindrical arc outer wall, the distance between every two tooth grooves 412 is larger than the diameter of the rotating rod 413, the rotating rod 413 and the tooth grooves 412 are more convenient to rotate in a matched mode, the inner end of the rotating rod 413 is fixed at the outer end of the rotating rod 414, the rotating rod 414 is welded at the outer end of the bidirectional asynchronous motor, the bottom end of the rotating bearing 415 is fixed at the bottom end inside the display device main body 1, the second switch 416 is installed on the outer wall of the display device main body 1, and the output ends of the first switch 321 and the second switch 416 are electrically connected with the input end of the bidirectional asynchronous motor 316 through a wire.

The working principle is as follows: when the display table is used, an external power supply is connected to the display device, the sliding rail 319 at the top end of the display device body 1 is opened, then the first switch 321 is opened, the inner side of the bidirectional asynchronous motor 316 rotates clockwise, the bidirectional screw rod 315 at the inner end of the bidirectional asynchronous motor 316 rotates clockwise simultaneously, the two sliding blocks 312 in threaded connection on the outer wall of the bidirectional screw rod 315 move towards the middle in the sliding groove 313, the bottom ends of the two hinge rods 311 are clamped towards the middle by the two sliding blocks 312, the height of the hinge rods 311 is increased, the sliding blocks 318 slide in the sliding rail 319 under the pull of the support bars 317 at the top ends of the two hinge rods 311, the display table 2 is supported by the hinge rods 311 and the support bars 317 together, similarly, after the display table is used, the first switch 321 is opened, the inner end of the bidirectional asynchronous motor 316 rotates reversely, the bidirectional screw rod 315 at the inner end of the bidirectional asynchronous, the bottom end of the hinged rod 311 expands towards two sides, the display platform 2 descends, the hinged rod 311 pushes the sliding block 318 towards two sides through the support rod 317, and then the sliding rail 319 at the top end of the display device main body 1 is covered;

when the rotation is needed, the outer side of the bidirectional asynchronous motor 316 starts to rotate, the rotating rod 414 and the rotating rod 413 at the outer end of the bidirectional asynchronous motor 316 rotate simultaneously, the rotating rod 413 makes circular motion inside the ring groove 411 through the meshed tooth groove 412, the rotating rod 413 and the rotating rod 414 drive the bidirectional asynchronous motor 316 to make circular motion inside the ring groove 411, the bidirectional asynchronous motor 316 enables the round block 314 to rotate at the top end of the rotating bearing 415, the round block 314 at the top end of the rotating bearing 415 drives the display stand 2 to rotate together, and the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a teaching device for electronic information show, includes display device main part (1) and show stand (2), the inside of display device main part (1) is provided with show stand (2), its characterized in that: the inside of the display device main body (1) is provided with a receiving mechanism, the receiving mechanism comprises hinged rods (311), sliding blocks (312), sliding grooves (313), round blocks (314), a bidirectional screw rod (315), bidirectional asynchronous motors (316), support rods (317), sliding blocks (318), sliding rails (319), transparent cover plates (320) and a first switch (321), the middle position of the bottom end of the display platform (2) is hinged with two hinged rods (311), the bottom ends of the hinged rods (311) are respectively hinged to the top ends of the two sliding blocks (312), the sliding blocks (312) are embedded in the sliding grooves (313), the sliding grooves (313) are arranged at the top ends of the round blocks (314), the round blocks (314) are arranged in the display device main body (1), the bidirectional screw rod (315) is connected between the two sliding blocks (312) in a threaded manner, and the bidirectional asynchronous motors (316) are fixed at the outer ends of the bidirectional screw rod (315), the top of display device main part (1) articulates there is slide rail (319), install first switch (321) on the outer wall of display device main part (1), the outer end of two-way asynchronous motor (316) is provided with rotary mechanism.

2. A teaching device for electronic information presentation according to claim 1, wherein: two the top of articulated rod (311) all articulates there is vaulting pole (317), and the top of vaulting pole (317) all is fixed with slider (318), slider (318) all inlays and establishes inside slide rail (319), the bottom at show stand (2) is all seted up in slide rail (319).

3. A teaching device for electronic information presentation according to claim 2, wherein: the shapes of the sliding block (318) and the sliding rail (319) are both set to be trapezoidal, and the outer wall of the sliding block (318) is abutted to the inner wall of the sliding rail (319).

4. A teaching device for electronic information presentation according to claim 1, wherein: rotary mechanism includes annular groove (411), tooth's socket (412), dwang (413), bull stick (414), rolling bearing (415) and second switch (416), annular groove (411) have been seted up in the outside of two-way asynchronous machine (316), and evenly be fixed with tooth's socket (412) on the inner wall of annular groove (411), the butt has dwang (413) in tooth's socket (412), and the inner of dwang (413) all fixes the outer end at bull stick (414), bull stick (414) welding is in the outer end of two-way asynchronous machine (316), rolling bearing (415) are installed to the bottom of circle piece (314), and the bottom mounting of rolling bearing (415) is in the inside bottom of display device main part (1), install second switch (416) on the outer wall of display device main part (1).

5. Teaching apparatus for electronic information presentation in accordance with claim 4, characterized in that: the output ends of the first switch (321) and the second switch (416) are electrically connected with the input end of the bidirectional asynchronous motor (316) through a conducting wire.

6. Teaching apparatus for electronic information presentation in accordance with claim 4, characterized in that: the shape of dwang (413) sets up to the cylindricality, and the diameter size of dwang (413) is less than the distance size between per two tooth's socket (412).