CN209785334U

CN209785334U - portable display device for teaching

Info

Publication number: CN209785334U
Application number: CN201920271739.4U
Authority: CN
Inventors: 梁艳霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2019-12-13
Anticipated expiration: 2029-03-05

Abstract

the utility model discloses a portable display device for teaching, which comprises a box body, a loop bar, a lifting bar, a display board and a magnet block, wherein the center of the upper surface of the bottom plate of the box body is fixedly connected with a shaft rod, the top of the shaft rod is rotatably connected with a turbine, the center of the upper surface of the turbine is fixedly connected with a thread sleeve, the box body is also rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a worm, the bottom of the sleeve is fixedly connected with a threaded connector corresponding to the thread sleeve, the center of the back surface of the display board is fixedly connected with a connecting sleeve, the outer side surface of the display board is coated with an iron sheet, and the magnet block can be adsorbed with the iron sheet on the display board. The efficiency of classroom teaching is improved.

Description

portable display device for teaching

Technical Field

The utility model relates to a teaching aid technical field, concretely relates to display device is used in portable teaching.

Background

in the teaching process, for improving recreational and deepening student's memory, often can need the show card, and traditional show method is that the teacher holds the card and lifts up, then moves the card and watches for the student of each angle with the show, and this kind of show mode has not only increased teacher's intensity of labour, and the bandwagon effect is not good moreover.

Although some teaching display devices exist, the devices generally have the disadvantages of large volume and inconvenient carrying, and the expected use effect is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a display device is used in portable teaching, the utility model discloses a realize through following technical scheme.

A portable display device for teaching comprises a box body, a sleeve, a lifting rod, a display board and a magnet block, wherein the box body is of a cuboid cavity structure, the top of the box body is provided with an opening, a shaft lever is fixedly connected to the center of the upper surface of a bottom plate of the box body, the top of the shaft lever is rotatably connected with a turbine through a bearing, a threaded sleeve is fixedly connected to the center of the upper surface of the turbine, a rotating shaft is further rotatably connected in the box body, the front end of the rotating shaft extends out of the box body and is fixedly connected with a first rotating disc, a worm meshed with the turbine is fixedly connected to the rotating shaft, a partition board is further fixedly connected in the box body and divides the box body into a first placing groove, a second placing groove, a third placing groove and a fourth placing groove, supporting boards are further fixedly connected in the first placing groove and the second placing groove, the supporting boards are positioned above the rotating shaft, a fastening screw is, but lifter sliding connection is in the sleeve, and one side of lifter evenly is equipped with the fixed orifices corresponding with fastening screw, still is equipped with the screw hole on the top surface of lifter, and the equal rigid coupling in top of each side of lifter has the guide block, the back center rigid coupling of show board has the adapter sleeve, and the adapter sleeve is equipped with open-ended cuboid cavity structure for the bottom, rotates through the bearing on the top surface of adapter sleeve and is connected with the threaded rod, the top of threaded rod is stretched out outside the adapter sleeve and the rigid coupling has the second carousel, and the adapter sleeve registrates with the top of lifter, and the inner wall of adapter sleeve is equipped with the guide way with guide block sliding connection, and the lateral surface cladding of show board has the iron sheet, the magnet piece can adsorb with the iron sheet on the.

Furthermore, a handle is fixedly connected to the outer wall of the left side plate of the box body.

Furthermore, the top of each side of the box body is fixedly connected with a positioning block, and the back of the display board is provided with a positioning groove corresponding to the positioning block.

Further, still include locking mechanism, locking mechanism includes dead lever, sleeve, pull rod and couple, the dead lever rigid coupling is at the outer wall of each curb plate of box, the sleeve rigid coupling is on each side of show board, sleeve and dead lever one-to-one, and telescopic inner wall circumference evenly is equipped with the spacing groove, pull rod sliding connection is in the sleeve, the top rigid coupling of pull rod have with spacing groove sliding connection's stopper, the rigid coupling has the spring between the lower surface of stopper and the bottom in spacing groove, the couple articulates the bottom at the pull rod.

further, when the limiting block is located at the top of the limiting groove, the spring is in a natural state.

The beneficial effects of the utility model are that, novel structure, the function is practical, and each part of this device can be dismantled, places in the box, and the carrying of the device of being convenient for when needs use can be very convenient assemble, and this device can reach omnidirectional bandwagon effect moreover, improves the efficiency of classroom teaching.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model is a schematic structural diagram of a portable display device for teaching;

FIG. 2: the structure of the box body of the utility model is shown schematically;

FIG. 3: the structure of the sleeve of the utility model is shown schematically;

FIG. 4: the structure of the lifting rod of the utility model is shown schematically;

FIG. 5: the structure of the display board of the utility model is shown schematically;

FIG. 6: the connection schematic diagram of the connection sleeve and the lifting rod of the utility model is shown;

FIG. 7: the structure schematic diagram of locking mechanism.

the reference numbers are as follows:

1. A box body 101, a shaft rod 102, a turbine 103, a thread bushing 104, a rotating shaft 105, a first rotating disc 106, a worm 107, a clapboard 108, a first placing groove 109, a second placing groove 110, a third placing groove 111, a fourth placing groove 112, a supporting plate 113, a handle 114 and a positioning block,

2. A sleeve pipe 201, a fastening screw 202, a threaded connector,

3. A lifting rod 301, a fixing hole 302, a threaded hole 303, a guide block,

4. A display board 401, a connecting sleeve 402, a threaded rod 403, a second turntable 404, a guide groove 405, a positioning groove,

501. the device comprises a fixing rod, 502, a sleeve, 503, a pull rod, 504, a hook, 505, a limiting groove, 506, a limiting block, 507 and a spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-7, a portable display device for teaching comprises a box body 1, a sleeve 2, a lifting rod 3, a display board 4 and a magnet (not labeled in the figures), wherein the box body 1 is a rectangular hollow structure with an opening at the top, a shaft rod 101 is fixedly connected to the center of the upper surface of the bottom plate of the box body 1, a turbine 102 is rotatably connected to the top of the shaft rod 101 through a bearing, a threaded sleeve 103 is fixedly connected to the center of the upper surface of the turbine 102, a rotating shaft 104 is further rotatably connected in the box body 1, the front end of the rotating shaft 104 extends out of the box body 1 and is fixedly connected to a first rotating disc 105, a worm 106 meshed with the turbine 102 is fixedly connected to the rotating shaft 104, a partition plate 107 is further fixedly connected in the box body 1, the partition plate 107 divides the box body 1 into a first placing groove 108, a second placing groove 109, a third placing groove 110 and a fourth placing groove 111, a supporting plate 112 is further fixedly connected in the first placing groove 108, the upper part of the sleeve 2 is provided with a fastening screw 201, the bottom of the sleeve 2 is further fixedly connected with a threaded connector 202 corresponding to a threaded sleeve 103, a lifting rod 3 is slidably connected in the sleeve 2, one side surface of the lifting rod 3 is uniformly provided with a fixing hole 301 corresponding to the fastening screw 201, the top surface of the lifting rod 3 is further provided with a threaded hole 302, the top of each side surface of the lifting rod 3 is fixedly connected with a guide block 303, the center of the back surface of the display plate 4 is fixedly connected with a connecting sleeve 401, the connecting sleeve 401 is a cuboid cavity structure with an opening at the bottom, the top surface of the connecting sleeve 401 is rotatably connected with a threaded rod 402 through a bearing, the top of the threaded rod 402 extends out of the connecting sleeve 401 and is fixedly connected with a second turntable 403, the connecting sleeve 401 is sleeved with the top of the lifting plate, the inner wall of the connecting sleeve 401 is provided with a guide groove 404 slidably connected, the magnet block (not shown) can be attached to the iron sheet (not shown) on the display board 4.

Preferably, a handle 113 is fixedly connected to the outer wall of the left side plate of the box body 1.

Preferably, the top of each side of the box 1 is fixedly connected with a positioning block 114, and the back of the display board 4 is provided with a positioning groove 405 corresponding to the positioning block 114.

Preferably, the display cabinet further comprises a locking mechanism, the locking mechanism comprises a fixing rod 501, a sleeve 502, a pull rod 503 and a hook 504, the fixing rod 501 is fixedly connected to the outer wall of each side plate of the cabinet 1, the sleeve 502 is fixedly connected to each side surface of the display board 4, the sleeve 502 is in one-to-one correspondence with the fixing rod 501, a limiting groove 505 is uniformly arranged on the circumference of the inner wall of the sleeve 502, the pull rod 503 is slidably connected in the sleeve 502, a limiting block 506 slidably connected with the limiting groove 505 is fixedly connected to the top of the pull rod 503, a spring 507 is fixedly connected between the lower surface of the limiting block 506 and the bottom of the limiting groove 505, and the.

Further, when the limiting block 506 is located at the top of the limiting groove 505, the spring 507 is in a natural state.

The utility model discloses a concrete implementation does:

Before using, each part is split and placed in the box body 1, the sleeve 2 and the lifting rod 3 are placed in the first placing groove 108 and the second placing groove 109, the third placing groove 110 and the fourth placing groove 111 can be used for placing magnet blocks (not marked in the figure) and teaching cards, when the box is stored, the display board 4 can be used as a cover plate of the box body 1, the positioning grooves 405 and the positioning blocks 114 are aligned, the display board 4 is covered on the box body 1, the back surface of the display board 4 faces downwards, the hook 504 is pulled downwards and rotated, the hook 504 is hooked with the fixed rod 501, the hook 504 is loosened, the spring 507 pulls the pull rod 503 and the hook 504 to ascend, the hook 504 hooks the fixed rod 501, the display board 4 is fixedly connected on the box body 1 and seals the box body 1, and the device is lifted to move through the handle 113.

during the use, loosen locking mechanism and take off show board 4, connect the threaded connection head 202 of sleeve pipe 2 bottom in thread bush 103, with lifter 3 sliding connection in sleeve pipe 2, and the height of fixed lifter 3 through fastening screw 201, registrate adapter sleeve 401 and lifter 3's top, rotate threaded rod 402 and make it enter into screw hole 302, thereby with adapter sleeve 401's rigidity, thereby it is fixed to show board 4, place the card that will treat the show in the one side that show board 4 rigid coupling has iron sheet (not marked in the figure), it is fixed with the card through magnet piece (not marked in the figure).

The first rotary disc 105 is rotated to drive the rotating shaft 104 and the worm 106 to rotate synchronously, and the worm 106 drives the worm wheel 102 to rotate, so that the integrated structure of the sleeve 2, the lifting rod 3 and the display board 4 rotates to carry out omnibearing card display.

the preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a display device is used in portable teaching which characterized in that: the box body is of a cuboid cavity structure with an opening at the top, a shaft lever is fixedly connected to the center of the upper surface of a bottom plate of the box body, the top of the shaft lever is rotatably connected with a turbine through a bearing, a threaded sleeve is fixedly connected to the center of the upper surface of the turbine, a rotating shaft is rotatably connected in the box body, the front end of the rotating shaft extends out of the box body and is fixedly connected with a first rotating disc, a worm meshed with the turbine is fixedly connected to the rotating shaft, a partition plate is fixedly connected in the box body and divides the box body into a first placing groove, a second placing groove, a third placing groove and a fourth placing groove, a supporting plate is fixedly connected in the first placing groove and the second placing groove and is positioned above the rotating shaft, a fastening screw is arranged at the upper part of the sleeve, a threaded connector corresponding to the threaded sleeve is fixedly connected to the bottom of the sleeve, and the lifting rod can be slidably connected in the sleeve, the utility model discloses a show board, including the adapter sleeve, the adapter sleeve is equipped with the guide way that leads to the adapter sleeve, and the adapter sleeve is equipped with open-ended cuboid cavity structure for the bottom, and the top surface of adapter sleeve is connected with the threaded rod through bearing rotation, the top of threaded rod stretches out the adapter sleeve outside and the rigid coupling has the second carousel, and the adapter sleeve registrates with the top of lifter, and the inner wall of adapter sleeve is equipped with the guide way with guide piece sliding connection, and the lateral surface cladding of show board has the iron sheet, the magnet piece can adsorb with the iron sheet on the show board.

2. The portable display device for teaching of claim 1, wherein: and a handle is fixedly connected to the outer wall of the left side plate of the box body.

3. the portable display device for teaching of claim 1, wherein: the top of each side of the box body is fixedly connected with a positioning block, and the back of the display board is provided with a positioning groove corresponding to the positioning block.

4. The portable display device for teaching of claim 1, wherein: still include locking mechanism, locking mechanism includes dead lever, sleeve, pull rod and couple, the dead lever rigid coupling is at the outer wall of each curb plate of box, the sleeve rigid coupling is on each side of show board, sleeve and dead lever one-to-one, and telescopic inner wall circumference evenly is equipped with the spacing groove, pull rod sliding connection is in the sleeve, the top rigid coupling of pull rod have with spacing groove sliding connection's stopper, the rigid coupling has the spring between the lower surface of stopper and the bottom of spacing groove, the couple articulates the bottom at the pull rod.

5. The portable display device for teaching of claim 4, wherein: when the limiting block is positioned at the top of the limiting groove, the spring is in a natural state.