CN211181384U

CN211181384U - Thing networking teaching sand table

Info

Publication number: CN211181384U
Application number: CN201921966891.0U
Authority: CN
Inventors: 李向明; 程熙熙; 沈屏丽; 蒋玉兰; 俞蝶琼; 徐伟新; 赵健; 张月; 徐鹏鹏
Original assignee: Datang Bangyan Shanghai Information Technology Co ltd
Current assignee: Datang Bangyan Shanghai Information Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-04
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses an thing networking teaching sand table, which belongs to the technical field of teaching sand tables, and comprises a sand table, wherein a lifting column is installed at the bottom of the sand table, two supporting plates are arranged below the sand table, the lifting column is slidably connected with the supporting plates in a sliding manner, a cylinder is arranged on the supporting plates, a piston rod of the cylinder is fixedly connected with the sand table, a transverse plate is arranged between the two lifting columns, a cylindrical rod is rotatably installed at the bottom of the transverse plate, threaded columns are respectively installed at two ends of the cylindrical rod in a threaded manner, an inserting rod is slidably installed at the bottom of the lifting column, slots are formed in one side, opposite to each other, of the two supporting plates and are arranged at equal intervals in the vertical direction, and one end of the inserting rod; the utility model discloses the realization is applicable to the student of co-altitude not, and it is spacing to add behind the altitude mixture control for the structure is more stable, makes things convenient for the removal and the fixing of sand table simultaneously, satisfies the user demand of teaching sand table, and convenient operation easily promotes.

Description

Thing networking teaching sand table

Technical Field

The utility model belongs to the technical field of the teaching sand table, concretely relates to thing networking teaching sand table.

Background

In traditional business teaching, a teacher is just like a book of mr, taurulous all day is almost hard and easy to do, and students basically do not buy the book. In sand table teaching, a teacher becomes a guiding teacher and a referee in the word of thousand gold, and becomes an idol honored and worried by students; the students change from naughty children to diligent and good-learning lambkin babies, and the sand table teaching is widely praised by teachers and students and derives from the teaching modes of role experience, task drive and team learning. The existing sand table teaching has the defects that the existing sand table teaching is difficult to be suitable for students with different heights and cannot move left and right, and the using requirements of the teaching sand table cannot be met, so that the problem is solved by an Internet of things teaching sand table.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thing networking teaching sand table to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an Internet of things teaching sand table comprises a sand table, wherein lifting columns are installed at the bottom of the sand table, two supporting plates are arranged below the sand table, the lifting columns are connected with the supporting plates in a sliding mode, air cylinders are arranged on the supporting plates, piston rods of the air cylinders are fixedly connected with the sand table, a transverse plate is arranged between the two lifting columns, cylindrical rods are rotatably installed at the bottoms of the transverse plate, threaded columns are installed at two ends of each cylindrical rod in a threaded mode, inserting rods are installed at the bottoms of the lifting columns in a sliding mode, slots are formed in one side, opposite to each other, of the two supporting plates in the vertical direction at equal intervals, one ends of the inserting rods extend into the slots, the other ends of the inserting rods are fixedly connected with the threaded columns, a bottom plate is arranged between the two supporting plates, rolling wheels are installed at the bottom of the bottom plate, friction blocks are hinged to the bottom of the bottom plate and located on one, the movable block is provided with a connecting rod, and one end of the connecting rod is hinged with the friction block.

Adopt above-mentioned scheme, drive the sand table through the cylinder and go up and down to carry out the regulation of height, rotate through the cylinder pole and make the screw thread post carry out horizontal migration, screw thread post horizontal migration drives inserted bar horizontal migration, injects the inserted bar in the slot that corresponds, prescribes a limit to the position of lift post and backup pad for the altitude mixture control of lift post and backup pad is stable. Promote the movable block through the push rod motor and remove and drive the connecting rod motion and make the movable block support to press on the gyro wheel, restrict the roll of gyro wheel, can fix whole sand table, when removing, the clutch blocks separates with the gyro wheel, removes and fixes the convenience.

In the above scheme, it should be noted that: the push rod motor is an EC2-CA push rod motor, and the air cylinder is a CDZ1B10-45-A type air cylinder.

As a preferred embodiment, a fixing block is installed at the bottom of the lifting column, a through hole is horizontally formed in the fixing block, and the insertion rod is slidably connected with the inner wall of the through hole.

By adopting the scheme, the through hole is used for installing the inserted bar, so that the inserted bar can only move at a horizontal position, the fixing block provides an installation place for the inserted bar, and the sliding connection between the inserted bar and the lifting column is realized.

As a preferred embodiment, the cylindrical rod is fixedly sleeved with a gear, the bottom of the transverse plate is slidably provided with a rack, the bottom of the bottom plate is provided with a horizontally arranged guide rod, the guide rod is slidably sleeved with a moving block, the bottom of the moving block is fixedly connected with the rack, and one end of the rack is provided with a handle.

By adopting the scheme, the manual moving handle drives the rack to move horizontally, the guide rod is used as a track for the rack to move, so that the rack cannot deviate when moving, the gear is driven to rotate through the rack moving, and the gear drives the cylindrical rod to rotate so that the threaded column can move horizontally.

As a preferred embodiment, a groove is formed in the bottom of the bottom plate, a sliding rod is arranged in the groove, the movable block is slidably sleeved on the sliding rod, a push rod motor is mounted at the bottom of the bottom plate, and a piston rod of the push rod motor is fixedly connected with the movable block.

Adopt above-mentioned scheme, the push rod motor promotes the movable block and removes and drive the connecting rod motion and make the movable block support to press on the gyro wheel, and the clutch blocks is made for the rubber material, is equipped with the insection on the clutch blocks, and the increase is with the frictional force of gyro wheel contact, and when the clutch blocks supported to press on the gyro wheel, the roll of restriction gyro wheel.

As a preferred embodiment, one side of the lifting column, which is close to the supporting plate, is provided with a track groove, a vertical rod which is vertically arranged is arranged in the track groove, a lifting block is slidably arranged on the vertical rod, and the lifting block is fixedly connected with the supporting plate.

By adopting the scheme, the lifting block is fixedly connected with the supporting plate through the sliding installation on the lifting column in the track groove, so that the lifting column can be lifted stably when the lifting column slides on the supporting plate.

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

drive the sand table through the cylinder and go up and down to carry out the regulation of height, rotate through the cylinder pole and make the screw thread post carry out horizontal migration, screw thread post horizontal migration drives inserted bar horizontal migration, injects the inserted bar in the slot that corresponds, prescribes a limit to the position of lift post and backup pad for the altitude mixture control of lift post and backup pad is stable.

Promote the movable block through the push rod motor and remove and drive the connecting rod motion and make the movable block support to press on the gyro wheel, restrict the roll of gyro wheel, can fix whole sand table, when removing, the clutch blocks separates with the gyro wheel, removes and fixes the convenience.

The utility model discloses the realization is applicable to the student of co-altitude not, and it is spacing to add behind the altitude mixture control for the structure is more stable, makes things convenient for the removal and the fixing of sand table simultaneously, satisfies the user demand of teaching sand table, and convenient operation easily promotes.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of a part of the structure of the present invention;

fig. 3 is a bottom view of the base plate.

In the figure: 1. a sand table; 2. a lifting column; 3. a support plate; 4. a cylinder; 5. a transverse plate; 6. a cylindrical rod; 7. a threaded post; 8. inserting a rod; 9. a fixed block; 10. a slot; 11. a gear; 12. a rack; 13. a base plate; 14. a guide bar; 15. a handle; 16. a roller; 17. a friction block; 18. a connecting rod; 19. a movable block; 20. a push rod motor.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides an internet of things teaching sand table, including sand table 1, lifting column 2 is installed at the bottom of sand table 1, two supporting plates 3 are arranged below sand table 1, lifting column 2 is connected with supporting plates 3 in a sliding manner, air cylinder 4 is arranged on supporting plates 3, the piston rod of air cylinder 4 is fixedly connected with sand table 1, a transverse plate 5 is arranged between two lifting columns 2, a cylindrical rod 6 is rotatably installed at the bottom of transverse plate 5, threaded columns 7 are respectively installed at two ends of cylindrical rod 6 in a threaded manner, an inserted bar 8 is slidably installed at the bottom of lifting column 2, slots 10 are equidistantly arranged along the vertical direction at one side where two supporting plates 3 are opposite, one end of inserted bar 8 extends into slots 10, and the other end of inserted bar 8 is fixedly connected with threaded columns 7 (see fig. 1 and 2); drive sand table 1 through cylinder 4 and go up and down to carry out the regulation of height, rotate through cylinder pole 6 and make screw thread post 7 carry out horizontal migration, and screw thread post 7 horizontal migration drives 8 horizontal migration of inserted bar, injects inserted bar 8 in the slot 10 that corresponds, prescribes a limit to the position of lift post 2 and backup pad 3 for the height control of lift post 2 and backup pad 3 is stable.

A bottom plate 13 is arranged between the two supporting plates 3, a roller 16 is arranged at the bottom of the bottom plate 13 in a rolling manner, a friction block 17 is hinged to the bottom of the bottom plate 13, the friction block 17 is positioned on one side of the roller 16, a movable block 19 is arranged at the bottom of the bottom plate 13 in a sliding manner, a connecting rod 18 is arranged on the movable block 19, and one end of the connecting rod 18 is hinged to the friction block 17 (see fig. 1 and 2); the push rod motor 20 pushes the movable block 19 to move to drive the connecting rod 18 to move, so that the movable block 19 is pressed on the roller 16, the rolling of the roller 16 is limited, the whole sand table can be fixed, and when the sand table moves, the friction block 17 is separated from the roller 16, so that the sand table is convenient to move and fix.

A fixing block 9 is arranged at the bottom of the lifting column 2, a through hole is horizontally arranged on the fixing block 9, and the inserted rod 8 is connected with the inner wall of the through hole in a sliding manner (see fig. 2); be used for installing inserted bar 8 through the through-hole for inserted bar 8 can only remove at horizontal position, and the fixed block provides the installation place of inserted bar 8, realizes inserted bar 8 and lift post 2's sliding connection.

A gear 11 is fixedly sleeved on the cylindrical rod 6, a rack 12 is slidably mounted at the bottom of the transverse plate 5, a guide rod 14 horizontally arranged is mounted at the bottom of the bottom plate 13, a moving block is slidably sleeved on the guide rod 14, the bottom of the moving block is fixedly connected with the rack 12, and a handle 15 is mounted at one end of the rack 12 (see fig. 1 and 3); the manual movement handle 15 drives the rack 12 to move horizontally, the guide rod 14 serves as a track for the rack 12 to move, so that the rack 12 cannot deviate when moving, the rack 12 moves to drive the gear 11 to rotate, and the gear 11 drives the cylindrical rod 6 to rotate so that the threaded column 7 moves horizontally.

A groove is formed in the bottom of the bottom plate 13, a sliding rod is arranged in the groove, the movable block 19 is slidably sleeved on the sliding rod, a push rod motor 20 is installed at the bottom of the bottom plate 13, and a piston rod of the push rod motor 20 is fixedly connected with the movable block 19 (see fig. 1 and 2); the push rod motor 20 pushes the movable block 19 to move to drive the connecting rod 18 to move, so that the movable block 19 is pressed on the roller 16, the friction block 17 is made of rubber, insections are arranged on the friction block 17, the friction force contacting with the roller 16 is increased, and when the friction block 17 is pressed on the roller 16, the rolling of the roller 16 is limited.

Track groove has been seted up to one side that lift post 2 is close to backup pad 3, and the track inslot is equipped with the montant of vertical setting, and slidable mounting has the elevator on the montant, elevator and 3 fixed connection of backup pad. (see FIG. 2); the lifting block is arranged on the lifting column 2 in the track groove in a sliding mode and fixedly connected with the supporting plate 3, so that the lifting column 2 can be lifted stably when sliding on the supporting plate 3.

When in use, the sand table 1 is driven to lift by the air cylinder 4 to adjust the height, the lifting block is arranged on the lifting column 2 in the track groove in a sliding way and is fixedly connected with the supporting plate 3, so that the lifting column 2 can lift stably when sliding on the supporting plate 3, after the height is adjusted, the rack 12 is driven by manually moving the handle 15 to move horizontally, the guide rod 14 is used as a track for the rack 12 to move, so that the rack 12 cannot deviate when moving, the gear 11 is driven to rotate by the movement of the rack 12, the gear 11 drives the cylindrical rod 6 to rotate so as to enable the threaded columns 7 to horizontally move, the two threaded columns 7 are symmetrically arranged, the threaded columns 7 horizontally move to drive the inserted rods 8 to horizontally move, the inserted rods 8 are inserted into the corresponding slots 10, so that the position of the transverse plate 5 is fixed, the transverse plate 5 is fixedly connected with the lifting column 2, the positions of the lifting column 2 and the support plate 3 are defined so that the height adjustment of the lifting column 2 and the support plate 3 is stable. Make things convenient for the removal of whole sand table through gyro wheel 16, promote the motion of movable block 19 through push rod motor 20 and drive the motion of connecting rod 18 and make movable block 19 support and press on gyro wheel 16, the clutch blocks 17 is made for the rubber material, be equipped with the insection on the clutch blocks 17, the increase is with the frictional force of gyro wheel 16 contact, when the clutch blocks 17 supports and presses on gyro wheel 16, restriction gyro wheel 16's roll, can fix whole sand table, when removing, the clutch blocks 17 separates with gyro wheel 16, it is convenient to remove and fix.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thing networking teaching sand table, includes sand table (1), its characterized in that: the sand table is characterized in that lifting columns (2) are installed at the bottom of the sand table (1), two supporting plates (3) are arranged below the sand table (1), the lifting columns (2) are connected with the supporting plates (3) in a sliding mode, air cylinders (4) are arranged on the supporting plates (3), piston rods of the air cylinders (4) are fixedly connected with the sand table (1), a transverse plate (5) is arranged between the two lifting columns (2), cylindrical rods (6) are rotatably installed at the bottom of the transverse plate (5), threaded columns (7) are respectively installed at two ends of each cylindrical rod (6) in a threaded mode, inserting rods (8) are slidably installed at the bottom of the lifting columns (2), slots (10) are formed in the vertical direction in the opposite side of the two supporting plates (3) in an equidistant mode, one ends of the inserting rods (8) extend into the slots (10), and the other ends of the inserting rods (8) are fixedly connected with the threaded columns (7), be equipped with between two backup pads (3) bottom plate (13), the bottom roll of bottom plate (13) is installed gyro wheel (16), the bottom of bottom plate (13) articulates there is clutch blocks (17), and clutch blocks (17) are located one side of gyro wheel (16), the bottom slidable mounting of bottom plate (13) has movable block (19), is equipped with connecting rod (18) on movable block (19), and the one end and the clutch blocks (17) of connecting rod (18) are articulated.

2. The internet of things teaching sand table of claim 1, wherein: fixed block (9) are installed to the bottom of lift post (2), set up the through-hole that the level set up on fixed block (9), inserted bar (8) and through-hole inner wall sliding connection.

3. The internet of things teaching sand table of claim 1, wherein: the fixed cover is equipped with gear (11) on cylindric lock (6), the bottom slidable mounting of diaphragm (5) has rack (12), guide arm (14) that the level set up are installed to the bottom of bottom plate (13), the slidable sleeve is equipped with the movable block on guide arm (14), the bottom and rack (12) fixed connection of movable block, handle (15) are installed to the one end of rack (12).

4. The internet of things teaching sand table of claim 1, wherein: the bottom of the bottom plate (13) is provided with a groove, a sliding rod is arranged in the groove, the movable block (19) is sleeved on the sliding rod in a sliding mode, the bottom of the bottom plate (13) is provided with a push rod motor (20), and a piston rod of the push rod motor (20) is fixedly connected with the movable block (19).

5. The internet of things teaching sand table of claim 1, wherein: a track groove is formed in one side, close to the supporting plate (3), of the lifting column (2), a vertical rod is vertically arranged in the track groove, a lifting block is slidably mounted on the vertical rod, and the lifting block is fixedly connected with the supporting plate (3).