CN214175498U

CN214175498U - Sand table teaching aid

Info

Publication number: CN214175498U
Application number: CN202022890495.3U
Authority: CN
Inventors: 韩晓龙
Original assignee: Hainan Normal University
Current assignee: Hainan Normal University
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-09-10
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a sand table teaching aid, include first sand table, biax motor and place the case, the fixed welding of first sand table lower surface places the case, it has the baffle to place the fixed welding of incasement wall, the drawer has been cup jointed to the even slip of baffle upper surface, it is close to top department and all is through fixation nut fixedly connected with electric telescopic handle to place the case both sides. The utility model discloses a setting of second sand table, it is rotatory to enable the swing pinion through opening the biax motor, can pull the second sand table and remove the inside groove this moment, then enable second layer board top support at the second sand table lower surface through twisting the movable threaded rod, can promote the steadiness of second sand table, can satisfy many people concurrent operation and training simultaneously when training, avoid purchasing a plurality of sand table teaching aids and use, can save the fund, through saving teaching space in drawing the inside groove with the second sand table when not using, the availability factor of sand table teaching aid has been promoted greatly.

Description

Sand table teaching aid

Technical Field

The utility model relates to a teaching aid, concretely relates to sand table teaching aid.

Background

The sand table teaching aid can be used for assisting in teaching, and the existing sand table teaching aid generally only has one sand table, so that the sand table teaching aid can be operated and trained by only one person and cannot be used by multiple persons simultaneously; if it needs a plurality of sand table teaching aids of purchase to satisfy many people's simultaneous use, need occupy more space and place to can make idle sand table occupy more teaching space when not using, greatly reduced the availability factor of sand table teaching aid.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sand table teaching aid, through the setting of second sand table, biax motor and second layer board, solved and to have now can not satisfy the problem that many people used simultaneously when using sand table operation and training.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a sand table teaching aid, which comprises a first sand table, a double-shaft motor and a placing box, wherein the lower surface of the first sand table is fixedly welded with the placing box, the inner wall of the placing box is fixedly welded with a partition plate, the upper surface of the partition plate is evenly sleeved with a drawer in a sliding way, the positions of two sides of the placing box, which are close to the top end, are fixedly connected with an electric telescopic rod through a fixing nut, one end of the electric telescopic rod is fixedly welded with a supporting block, the top end of the supporting block is rotatably connected with a threaded rod through a rotating shaft, the periphery of the threaded rod is in threaded connection with a first supporting plate, the top end of the first supporting plate is fixedly welded with a second supporting plate, the upper surface of the first sand table is provided with a groove, two sides of the inner wall of the first sand table are provided with an inner groove, the inner wall of the first sand table between adjacent surfaces of the inner groove is provided with a limiting groove, the inner wall of the limiting groove is fixedly connected with the double-shaft motor through the fixing nut, the double-shaft motor power output end fixed welding has the lead screw, lead screw one end is rotated through the pivot and is connected at the inside groove inner wall, the lead screw periphery is close to the fixed welding of one end department and has first conical gear, first conical gear back meshing has second conical gear, second conical gear back fixed welding has the rotary gear, the rotary gear back is rotated through the pivot and is connected in the inside groove, the second sand table has all been cup jointed in the equal slip in inside groove inner wall both sides top, the fixed welding of second sand table lower surface axis department has the rack, rack and rotary gear intermeshing.

Further, the partition plate is of a cross-shaped structure.

Furthermore, the axes of the front surfaces of the drawers are provided with handrail openings.

Furthermore, the periphery of the screw rod is rotatably connected with a fixed sleeve plate, and the bottom end of the fixed sleeve plate is fixedly welded at the bottom end of the inner wall of the inner groove.

Further, the first supporting plate is of a U-shaped structure.

Further, all fixed welding has the support in placing case lower surface four corners department.

Furthermore, a limiting block is embedded in the inner wall of the first sand table and located between the adjacent surfaces of the second sand table.

Further, a fixed plate is fixedly welded at the bottom end of one end of the rack, and the bottom end of the fixed plate is fixedly welded on the inner wall of the inner groove.

The utility model discloses following beneficial effect has:

the utility model discloses a setting of second sand table, it is rotatory to enable the swing pinion through opening the biax motor, can pull the second sand table and remove the inside groove this moment, then enable second layer board top support at the second sand table lower surface through twisting the movable threaded rod, can promote the steadiness of second sand table, can satisfy many people concurrent operation and training simultaneously when training, avoid purchasing a plurality of sand table teaching aids and use, can save the fund, through saving teaching space in drawing the inside groove with the second sand table when not using, the availability factor of sand table teaching aid has been promoted greatly.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a side view of the first support plate of the present invention connected to a threaded rod;

FIG. 4 is an enlarged schematic view of the area A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged schematic view of the area B of FIG. 1 according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a first sand table; 11. a groove; 12. an inner tank; 13. a second sand table; 14. a rack; 15. a limiting block; 16. a limiting groove; 17. a fixing plate; 18. fixing the sleeve plate; 2. a double-shaft motor; 21. a screw rod; 22. a first bevel gear; 23. a second bevel gear; 24. a rotating gear; 3. placing a box; 31. a partition plate; 32. a support; 33. an electric telescopic rod; 34. a support block; 35. a threaded rod; 36. a first pallet; 37. a second pallet; 38. a drawer; 39. an armrest opening.

Detailed Description

Referring to fig. 1-5, the sand table teaching aid of the embodiment comprises a first sand table 1, a double-shaft motor 2 and a placing box 3, the placing box 3 is fixedly welded on the lower surface of the first sand table 1, a partition plate 31 is fixedly welded on the inner wall of the placing box 3, a drawer 38 is sleeved on the upper surface of the partition plate 31 in a uniform sliding manner, required tools are placed in the drawer 38 and can be placed in a classified manner, labels can be pasted on the front surface of the drawer 38 for convenient taking and distinguishing, electric telescopic rods 33 are fixedly connected to the two sides of the placing box 3 close to the top ends through fixing nuts, a supporting block 34 is fixedly welded at one end of each electric telescopic rod 33, the top end of each supporting block 34 is rotatably connected with a threaded rod 35 through a rotating shaft, a first supporting plate 36 is connected to the periphery of each threaded rod 35 through a thread, a second supporting plate 37 is fixedly welded on the top end of each first supporting plate 36, the second supporting plate 37 is used for supporting a second sand table 13 and improving the stability of the second sand table 13, avoiding the shaking condition when using the second sand table 13, the upper surface of the first sand table 1 is provided with a groove 11, the two sides of the inner wall of the first sand table 1 are provided with inner grooves 12, the inner wall of the first sand table 1 between the adjacent surfaces of the inner grooves 12 is provided with a limiting groove 16, the inner wall of the limiting groove 16 is fixedly connected with a double-shaft motor 2 through a fixing nut, the power output end of the double-shaft motor 2 is fixedly welded with a screw rod 21, one end of the screw rod 21 is rotatably connected with the inner wall of the inner groove 12 through a rotating shaft, the periphery of the screw rod 21 close to one end is fixedly welded with a first conical gear 22, the back of the first conical gear 22 is meshed with a second conical gear 23, the back of the second conical gear 23 is fixedly welded with a rotating gear 24, the back of the rotating gear 24 is rotatably connected in the inner groove 12 through the rotating shaft, the top ends of the two sides of the inner wall of the inner groove 12 are both slidably sleeved with the second sand table 13, the axial line of the lower surface of the second sand table 13 is fixedly welded with a rack 14, the rack 14 is meshed with the rotary gear 24, when in use, tools to be used are placed in the drawer 38 in a classified mode, then the double-shaft motor 2 is started, the double-shaft motor 2 drives the screw rod 21 to rotate, the screw rod 21 drives the first bevel gear 22 to rotate, the first bevel gear 22 drives the second bevel gear 23 to rotate, the second bevel gear 23 drives the rotary gear 24 to rotate, the rack 14 meshed with the rotary gear 24 moves, the rack 14 drives the second sand table 13 to move, a plurality of people can use the sand table at the same time, then the electric telescopic rod 33 is started, the electric telescopic rod 33 drives the supporting block 34 to move, at the moment, the threaded rod 35 is screwed, the first supporting plate 36 in threaded connection with the threaded rod 35 moves upwards, the first supporting plate 36 drives the second supporting plate 37 to move upwards, the second supporting plate 37 is in contact with the lower surface of the second sand table 13, and the second sand table 13 can be supported, the firmness of the second sand table 13 is improved.

Wherein as shown in fig. 1, fig. 2, fig. 3 and fig. 5, the partition plate 31 is a cross structure, the front axle center of the drawer 38 has all been provided with a handrail opening 39, the periphery of the lead screw 21 is rotationally connected with the fixed sleeve plate 18, the setting of the fixed sleeve plate 18 is convenient for supporting the lead screw 21, the bottom fixed welding of the fixed sleeve plate 18 is at the bottom end of the inner wall of the inner groove 12, the first supporting plate 36 is a U-shaped structure, the four corners of the lower surface of the placing box 3 are fixedly welded with the supports 32, the inner wall of the first sand table 1 is inlaid with the limiting block 15, the limiting block 15 is located between the adjacent surfaces of the second sand table 13, the bottom fixed welding of one end of the rack 14 has the fixing plate 17, and the bottom fixed welding of the fixing plate 17 is at the inner wall of the inner groove 12.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to 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 sand table teaching aid, includes first sand table (1), biax motor (2) and places case (3), its characterized in that: the lower surface of the first sand table (1) is fixedly welded with a placing box (3), the inner wall of the placing box (3) is fixedly welded with a partition plate (31), a drawer (38) is uniformly sleeved on the upper surface of the partition plate (31) in a sliding manner, the positions, close to the top, of the two sides of the placing box (3) are fixedly connected with an electric telescopic rod (33) through fixing nuts, one end of the electric telescopic rod (33) is fixedly welded with a supporting block (34), the top end of the supporting block (34) is rotatably connected with a threaded rod (35) through a rotating shaft, the periphery of the threaded rod (35) is in threaded connection with a first supporting plate (36), the top end of the first supporting plate (36) is fixedly welded with a second supporting plate (37), the upper surface of the first sand table (1) is provided with a groove (11), the two sides of the inner wall of the first sand table (1) are provided with inner grooves (12), and the inner wall of the first sand table (1) between the adjacent surfaces of the inner grooves (12) is provided with a limiting groove (16), the inner wall of the limit groove (16) is fixedly connected with a double-shaft motor (2) through a fixing nut, a screw rod (21) is fixedly welded at the power output end of the double-shaft motor (2), one end of the screw rod (21) is rotatably connected with the inner wall of the inner groove (12) through a rotating shaft, a first bevel gear (22) is fixedly welded at one end of the periphery of the screw rod (21) close to one end, a second bevel gear (23) is meshed with the back of the first bevel gear (22), a rotating gear (24) is fixedly welded on the back of the second conical gear (23), the back of the rotary gear (24) is rotationally connected in the inner groove (12) through a rotating shaft, the top ends of the two sides of the inner wall of the inner groove (12) are sleeved with a second sand table (13) in a sliding way, a rack (14) is fixedly welded on the axis of the lower surface of the second sand table (13), and the rack (14) is meshed with the rotating gear (24).

2. A sand table teaching aid as claimed in claim 1 wherein: the partition plate (31) is of a cross-shaped structure.

3. A sand table teaching aid as claimed in claim 1 wherein: the front axle center of the drawer (38) is provided with a handrail opening (39).

4. A sand table teaching aid as claimed in claim 1 wherein: the periphery of the screw rod (21) is rotatably connected with a fixed sleeve plate (18), and the bottom end of the fixed sleeve plate (18) is fixedly welded at the bottom end of the inner wall of the inner groove (12).

5. A sand table teaching aid as claimed in claim 1 wherein: the first supporting plate (36) is of a U-shaped structure.

6. A sand table teaching aid as claimed in claim 1 wherein: all fixed welding of placing case (3) lower surface four corners department has support (32).

7. A sand table teaching aid as claimed in claim 1 wherein: a limiting block (15) is embedded in the inner wall of the first sand table (1), and the limiting block (15) is located between the adjacent surfaces of the second sand table (13).

8. A sand table teaching aid as claimed in claim 1 wherein: the bottom end of one end of the rack (14) is fixedly welded with a fixing plate (17), and the bottom end of the fixing plate (17) is fixedly welded on the inner wall of the inner groove (12).