CN219267173U - A show sand table for teaching - Google Patents

Abstract

The utility model relates to the field of display sand tables and discloses a display sand table for teaching, which comprises a box body, wherein a box cover is hinged to the upper side of one side end surface of the box body, two wheels are symmetrically arranged on two sides of the lower end surface of the box body in a rotating mode, a lifting mechanism is fixedly arranged on the inner bottom surface of the box body, a display sand table mechanism is fixedly arranged on the upper end surface of the lifting mechanism, and a crank mechanism is fixedly arranged on the middle of the front end surface of the box body close to the lower side. According to the utility model, the box cover is used for covering the box body to prevent things in the box body from falling, the wheels facilitate the movement of the display sand table so that a teaching place cannot be fixed in one place all the time, the lifting mechanism can lift the sand table, a teacher does not need to bend over to explain the sand table, the sand table mechanism is a place for placing a teaching aid when the teacher teaches, the crank mechanism is used for controlling the lifting mechanism to lift and descend, the handle is held to shake the main wheel, and the wheel belt connected to the main wheel drives the threaded rod to rotate so that the lifting mechanism can lift.

Description

A show sand table for teaching

Technical Field

The utility model relates to the field of display sand tables, in particular to a display sand table for teaching.

Background

The teaching is a human-specific talent training activity consisting of the teaching of a teacher and the learning of a student, through which the teacher purposefully, systematically guides the student to learn and master cultural science knowledge and skills, promotes the improvement of the quality of the student, enables the student to become a person required by society, and the display sand table is used for placing teaching aids required to be explained by the teacher, so that the student can more intuitively watch the actual situation, the teaching effect is improved, and military commanders are commonly used for researching terrains, hostile conditions and combat schemes, organizing cooperative actions, implementing tactical exercises, researching combat cases and summarizing combat experiences.

According to the search, the prior patent (publication number: CN 214312351U) discloses a sand table teaching display stand for enterprise management, which comprises an operation panel and a support, wherein the operation panel is a rectangular flat plate, two ends of the operation panel are provided with rotating shafts, the rotating shafts and the central axis of the operation panel are in the same straight line, the operation panel is horizontally arranged on the upper part of the support through the rotating shafts, the rotating shafts are connected with the support through bearings, buckles are respectively arranged at the lower parts of four corners of the operation panel, one end of each buckle is hinged with the support, the other end of each buckle extends to the lower part of the operation panel, and the upper end face of each buckle is propped against the lower part of the operation panel. According to the utility model, the rotating shafts are arranged on two sides of the operation panel, so that the operation panel can be turned over and supported by the buckles, the turned operation panel can be stably maintained, the two sides of the operation panel can be printed with architecture diagrams of enterprises, different enterprises can be simulated to operate the sand table, the buckles can be flexibly opened and closed through the magnets, the operation panel can be turned over quickly, and the operation panel is convenient for teachers and students to use.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a display sand table for teaching, which is provided with a lifting mechanism in a box body, wherein the lifting mechanism is controlled by a crank mechanism, a rotating handle drives a threaded rod to rotate so as to drive a threaded block at the lower end of the lifting mechanism to move, the lifting mechanism can ascend and descend, the problem that a teacher needs to bend down to explain is avoided, the display sand table is provided with a sand table mechanism, the sand table mechanism is provided with a main display plate, the periphery of the main display plate is hinged with plates through hinges so as to widen a main plate, the teaching area is increased, when the sand table is not needed, the plates around the main display plate can be retracted into the box body, the occupied space is reduced, the middle of the retracted plates can be used for placing objects, teaching tools can be conveniently stored, the display sand table is provided with wheels at the bottom of the box body, and the wheels are used for moving the box body, so that the sand table is not always in a place, and can move along with the movement of the learner.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a show sand table for teaching, includes the box, box one side terminal surface upside articulates is provided with the case lid, box lower terminal surface bilateral symmetry rotates and is provided with two wheels, the fixed elevating system that is provided with in bottom surface in the box, elevating system up end is fixed to be provided with and shows sand table mechanism, the box front end middle is provided with the crank mechanism by the fixed downside;

the crank mechanism comprises a main wheel and a threaded rod, a long plate is fixedly arranged in the center of the front end face of the main wheel, a handle is rotatably arranged on the front end face of the long plate close to the lower side, and the main wheel is connected with the threaded rod through a wheel belt.

Through above-mentioned technical scheme, the case lid is used for covering the box and prevents that the thing of box inside from dropping, the removal that the wheel made things convenient for the show sand table makes the teaching place can not fix in a place always, elevating system can rise the sand table, let the teaching mr need not bow always and explain, place of placing the article when sand table mechanism is mr's teaching, crank mechanism is used for controlling elevating system's rising and decline, shake the main wheel through holding the handle, thereby the wheel area that is connected on the main wheel drives the threaded rod rotation and makes elevating system reach the effect of going up and down.

Further, the sand table showing mechanism comprises a main showing board, wherein the front end face and the rear end face of the main showing board are hinged with sub-showing boards through hinges, the end faces on two sides of the main showing board are hinged with auxiliary boards through hinges, and protruding blocks are fixedly arranged on the front end face and the rear end face of the auxiliary boards at positions close to the lower sides;

through above-mentioned technical scheme, main show board is the main show area of sand table, sub-show board, subplate and widening board are all used for increasing the explanation area of main show board, the lug is used for supporting the widening board after expanding.

Further, the upper end faces of the convex blocks are fixedly provided with widening plates, a first sliding groove is formed in the middle of one side, far away from the main display plate, of the widening plates, a second sliding groove is formed in the middle of one side, far away from the main display plate, of the auxiliary plate, and the first sliding groove is connected with the second sliding groove through a supporting rod;

through above-mentioned technical scheme, spout and branch cooperation play a folding and expansion's effect to the widening board, the teaching area has been increaseed when expanding, occupation space has been reduced when packing up.

Further, the lifting mechanism comprises a bottom plate, a support frame is fixedly arranged at the position, close to the rear side, of the lower end face of the bottom plate, a third sliding groove is fixedly arranged at the position, close to the front side, of the lower end face of the bottom plate, the front side of the upper end face of the support frame is in sliding connection with the third sliding groove, a thread block is fixedly arranged at the front side of the lower end face of the support frame, the thread block is in threaded connection with a threaded rod, a fixed block is fixedly arranged at the rear side of the lower end face of the support frame, and the center position of the front end face of the fixed block is in rotary connection with the threaded rod;

through above-mentioned technical scheme, support frame one end fixed connection is on the bottom plate, one end then is sliding connection on the spout, thereby make the support frame can realize the lift function, thereby make the screw thread piece forward or backward movement drive the support frame lift through the threaded rod rotation, the fixed block is motionless, it is more stable to make the support frame lift.

Further, a push rod is hinged to the upper side of the end face of the box, which is far away from the box cover;

through the technical scheme, the box body pushing device is used for pushing the box body to move, the box body is prevented from being pushed by bending down, and the push rod is more convenient to use when the sand table is opened.

Further, buckling belts are symmetrically hinged to the upper side of the front end face of the box body, and buckling holes are formed in the front side of the front end face of each buckling belt;

through the technical scheme, when the box cover is covered, the buckling belts can be matched with a mechanism behind the box body through buckling holes arranged above to fix the box cover.

Further, a convex buckle is fixedly arranged on the upper side of the rear end face of the box body;

through the technical scheme, the matching buckle belt is used for fixing the box cover, and objects in the box body are prevented from falling.

The utility model has the following beneficial effects:

1. compared with the existing display sand table, the display sand table provided by the utility model is provided with the sand table mechanism, the mechanism is provided with the main display plate, the periphery of the main display plate is hinged with the plates through the hinges, so that the main plate is widened, the teaching area is increased, when the sand table is not needed, the plates around the main display plate can be retracted into the box body, the occupied space is reduced, and the middle of the retracted plates can be used for placing articles, so that a plurality of teaching tools can be conveniently stored.

2. Compared with the existing display sand table, the display sand table provided by the utility model has the advantages that the lifting mechanism is arranged in the box body, the sand table mechanism is arranged above the lifting mechanism, the lifting mechanism is controlled by the crank mechanism, and the handle is rotated to drive the threaded rod to rotate, so that the threaded block at the lower end of the lifting mechanism is driven to move, the lifting mechanism can ascend and descend, the problem that a teacher needs to bend down to explain is solved, and the teaching person can relax.

3. Compared with the existing display sand table, the display sand table provided by the utility model has the advantages that the wheels are arranged at the bottom of the box body and used for moving the box body, so that the sand table is not always in one place, and can move along with the movement of a learner, and the teaching is more convenient.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is an exploded isometric view of the present utility 2;

FIG. 3 is a side cross-sectional view of the present utility model;

fig. 4 is a side cross-sectional view of the present utility model.

Legend description:

1. a case cover; 2. displaying the sand table mechanism; 3. a case; 4. a crank mechanism; 5. a buckle belt; 6. a wheel; 7. a lifting mechanism; 8. a convex buckle; 9. a button hole; 10. a push rod; 201. a main display board; 202. a sub-display board; 203. a widening plate; 204. a sub-plate; 205. a first chute; 206. a support rod; 207. a second chute; 208. a bump; 401. a main wheel; 402. a handle; 403. a wheel belt; 404. a threaded rod; 405. a long plate; 701. a bottom plate; 702. a third chute; 703. a support frame; 704. a screw block; 705. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: a show sand table for teaching, including box 3, box 3 one side terminal surface upside articulates and is provided with case lid 1, cover box 3, prevent that the something from coming off inside, box 3 lower terminal surface bilateral symmetry rotates and is provided with two wheels 6, this wheel 6 has made things convenient for the removal of show sand table, make the teaching place can not fix in a place always, the fixed elevating system 7 that is provided with in bottom surface in box 3, elevating system 7 can rise the sand table, let the teaching mr need not bow always and explain, elevating system 7 up end is fixed and is provided with show sand table mechanism 2, main teaching area, the fixed crank mechanism 4 that is provided with of downside in the middle of the terminal surface before the box 3, control elevating system 7 rise and decline;

the crank mechanism 4 comprises a main wheel 401 and a threaded rod 404, is connected with the lifting mechanism 7, is used for controlling the lifting mechanism 7 to lift, a long plate 405 is fixedly arranged in the center of the front end face of the main wheel 401, a handle 402 is rotatably arranged on the front end face of the long plate 405 near the lower side, the main wheel 401 is connected with the threaded rod 404 through a wheel belt 403, the main wheel 401 is rocked through holding the handle 402, and the wheel belt 403 connected with the main wheel 401 drives the threaded rod 404 to rotate, so that the lifting mechanism 7 can lift.

The sand table showing mechanism 2 comprises a main showing board 201, which is a main showing area of the sand table, wherein the front end face and the rear end face of the main showing board 201 are both hinged with a sub-showing board 202 through hinges, the showing area is enlarged, the end faces on two sides of the main showing board 201 are both hinged with auxiliary boards 204 through hinges, the front end face and the rear end face of the two auxiliary boards 204 are both fixedly provided with lugs 208 at the lower side positions, which plays a supporting role, the upper end faces of the lugs 208 are both fixedly provided with widening boards 203, the auxiliary boards 204 are widened again, a plurality of widening boards 203 are provided with first sliding grooves 205 in the middle of one side far away from the main showing board 201, the auxiliary boards 204 are provided with second sliding grooves 207 in the middle of one side far away from the main showing board 201, the first sliding grooves 205 are connected with the second sliding grooves 207 through supporting rods 206, and the sliding grooves and the supporting rods 206 are matched with the supporting rods 206 to play a folding and unfolding role on the widening boards 203;

the lifting mechanism 7 comprises a bottom plate 701, a supporting frame 703 is fixedly arranged at the position, close to the rear side, of the lower end face of the bottom plate 701, a third sliding groove 702 is fixedly arranged at the position, close to the front side, of the lower end face of the bottom plate 701, the front side of the upper end face of the supporting frame 703 is in sliding connection with the third sliding groove 702, one end of the supporting frame 703 is fixedly connected to the bottom plate 701, and the other end of the supporting frame 703 is in sliding connection with the sliding groove, so that the lifting function of the supporting frame 703 can be realized, a threaded block 704 is fixedly arranged at the front side of the lower end face of the supporting frame 703, the threaded block 704 is in threaded connection with a threaded rod 404, the threaded block 704 moves forwards or backwards through rotation of the threaded rod 404 so as to drive the supporting frame 703 to lift, a fixed block 705 is fixedly arranged at the rear side of the lower end face of the supporting frame 703, and the center position of the front end face of the fixed block 705 is in rotary connection with the threaded rod 404, so that the lifting of the supporting frame 703 is more stable;

the box 3 is kept away from case lid 1 one side terminal surface upside and articulates and be provided with push rod 10 for promote box 3 removal, avoid needing to bow to promote box 3, when the sand table was opened, application push rod 10 is more convenient, the terminal surface upside symmetry articulates before the box 3 is provided with the cingulum 5, cingulum 5 up end front side has been seted up and has been detained hole 9, when case lid 1 was covered, cingulum 5 can cooperate the mechanism at 3 rear of box to fix case lid 1 through the knot hole 9 that the top set up, the fixed protruding knot 8 that is provided with in terminal surface upside behind the box 3, cooperation cingulum 5 is fixed case lid 1, prevent that the object of the inside of box 3 from dropping.

Working principle: when the sand table is used, the buckling belt 5 buckled on the convex buckle 8 is opened, then the box cover 1 is opened, the handle 402 in the shaking crank mechanism 4 drives the main wheel 401 to rotate, the main wheel 401 is connected with the wheel belt 403, the wheel belt 403 drives the threaded rod 404 to rotate, the threaded rod 404 rotates to drive the threaded block 704 in threaded connection with the threaded rod to move, so that the lifting mechanism 7 ascends, the shaking handle 402 is stopped when the lifting mechanism ascends to a certain position, the auxiliary plate 204 and the sub-display plate 202 which are folded around the main display plate 201 are opened, the auxiliary plate 204 is connected with the widening plate 203 through the supporting rods 206, the two sides of the auxiliary plate 204 are provided with the protruding blocks 208 for supporting the stretching widening plate 203, and when the box 3 needs to move, the wheel 6 is arranged below the box 3, and the box 3 can be moved by pushing the pushing rod 10.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. A show sand table for teaching, includes box (3), its characterized in that: the novel sand box is characterized in that a box cover (1) is hinged to the upper side of one side end face of the box body (3), two wheels (6) are symmetrically arranged on two sides of the lower end face of the box body (3) in a rotating mode, a lifting mechanism (7) is fixedly arranged on the inner bottom face of the box body (3), a sand showing table mechanism (2) is fixedly arranged on the upper end face of the lifting mechanism (7), and a crank mechanism (4) is fixedly arranged on the middle of the front end face of the box body (3) close to the lower side of the middle of the front end face of the box body;

the crank mechanism (4) comprises a main wheel (401) and a threaded rod (404), a long plate (405) is fixedly arranged in the center of the front end face of the main wheel (401), a handle (402) is rotatably arranged on the lower side of the front end face of the long plate (405), and the main wheel (401) is connected with the threaded rod (404) through a wheel belt (403).

2. A display sand table for teaching according to claim 1 and characterized in that: the sand table showing mechanism (2) comprises a main showing board (201), wherein the front end face and the rear end face of the main showing board (201) are hinged to each other through hinges to be provided with sub-showing boards (202), the end faces on two sides of the main showing board (201) are hinged to each other through hinges to be provided with auxiliary boards (204), and protruding blocks (208) are fixedly arranged on the front end face and the rear end face of each auxiliary board (204) at positions close to the lower sides.

3. A display sand table for teaching according to claim 2 and characterized in that: a plurality of lug (208) up end is all fixed and is provided with widening board (203), and a plurality of widening board (203) are kept away from main show board (201) one side centre and have been seted up first spout (205), vice board (204) are kept away from main show board (201) one side centre and have been seted up second spout (207), first spout (205) are connected with second spout (207) through branch (206).

4. A display sand table for teaching according to claim 1 and characterized in that: elevating system (7) are including bottom plate (701), terminal surface is provided with support frame (703) near rear side fixed under bottom plate (701), terminal surface is provided with third spout (702) near front side fixed under bottom plate (701), terminal surface front side and third spout (702) sliding connection under support frame (703), terminal surface front side is provided with screw thread piece (704) under support frame (703), screw thread piece (704) and threaded rod (404) threaded connection, terminal surface rear side is fixedly provided with fixed block (705) under support frame (703), terminal surface central point puts and threaded rod (404) rotation connection before fixed block (705).

5. A display sand table for teaching according to claim 1 and characterized in that: the upper side of the end face of the box body (3) far away from one side of the box cover (1) is hinged with a push rod (10).

6. A display sand table for teaching according to claim 1 and characterized in that: the upper side of the front end face of the box body (3) is symmetrically hinged with a buckling belt (5), and a buckling hole (9) is formed in the front side of the upper end face of the buckling belt (5).

7. A display sand table for teaching according to claim 1 and characterized in that: the upper side of the rear end face of the box body (3) is fixedly provided with a convex buckle (8).

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