CN211237414U

CN211237414U - Sand table is used in international trade teaching

Info

Publication number: CN211237414U
Application number: CN201922175594.0U
Authority: CN
Inventors: 刘会红
Original assignee: Hunan University of Science and Engineering
Current assignee: Hunan University of Science and Engineering
Priority date: 2019-12-08
Filing date: 2019-12-08
Publication date: 2020-08-11
Anticipated expiration: 2029-12-08

Abstract

The utility model relates to a teaching assistance apparatus technical field discloses a sand table for international trade teaching, it is fixed knot structure to have solved traditional sand table majority for teaching, is difficult to adjust its angle, can not adapt to the problem that the student on the seat watched, including base and sand table body, the upper end of base is provided with the control room, the equal vertical installation otic placode that is fixed with in top both sides of control room, the pivot is rotated and is installed the bracing piece between two installation otic placodes, the top of bracing piece is fixed with the mount pad, the sand table body is installed through installation axial rotation in the upper end of mount pad, rotate between the both ends inner wall of control room and install accommodate the lead screw, threaded connection has the internal thread pipe on the accommodate the lead screw, the upper end of connect rod is rotated and is installed the connecting rod, the upper end of connecting rod is inserted and is established in the bracing piece, and connecting rod and bracing piece sliding, The lower direction is rotated, so that the students can watch the glasses conveniently.

Description

Sand table is used in international trade teaching

Technical Field

The utility model relates to a teaching auxiliary tool technical field especially relates to a sand table is used in international trade teaching.

Background

In recent years, international trade disciplines are more and more opened in colleges and universities, traditional teaching is relatively boring, in order to mobilize enthusiasm and initiative of students and investigate analysis, judgment and strain capacity of students, more and more disciplines adopt open sand table experiment teaching, and the international trade disciplines are no exception. Most of traditional sand tables for teaching are fixed structures, the angles of the sand tables are difficult to adjust, and the sand tables cannot adapt to watching of students on seats, so that the sand tables for international trade teaching are provided for solving the problems.

Disclosure of Invention

The utility model aims at solving the traditional sand table for teaching that exists among the prior art and mostly being fixed knot structure, be difficult to adjust its angle, can not adapt to the shortcoming that the student on the seat watched, and the sand table for international trade teaching that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sand table for international trade teaching comprises a base and a sand table body, wherein an adjusting chamber is arranged at the upper end of the base, mounting lug plates are vertically fixed on two sides of the top end of the adjusting chamber, a supporting rod is rotatably mounted between the two mounting lug plates through a rotating shaft, a mounting seat is fixed at the top end of the supporting rod, and the sand table body is rotatably mounted at the upper end of the mounting seat through a mounting shaft;

adjusting screw rods are rotatably installed between the inner walls of the two ends of the adjusting chamber, the adjusting screw rods are in threaded connection with internal thread pipes, the upper ends of the internal thread pipes are rotatably installed with connecting rods, the upper ends of the connecting rods are inserted in the supporting rods, and the connecting rods are in sliding fit with the supporting rods.

Preferably, one end of the adjusting screw rod penetrates through the adjusting chamber, and a rotating button is mounted at the outer end of the adjusting screw rod through a screw.

Preferably, the bottom end of the supporting rod extends towards the inside of the supporting rod and is provided with a sliding groove, and the connecting rod is inserted in the sliding groove.

Preferably, the upper end of the mounting seat is provided with a groove, the mounting shaft is rotatably mounted in the groove through a bearing, and the outer wall of the mounting shaft is uniformly provided with clamping grooves.

Preferably, even slidable mounting has a round pin axle on the outer wall of mount pad, the one end of round pin axle extends to the inside of mount pad, and round pin axle with draw-in groove looks adaptation to logical groove has been seted up on every round pin axle, rotate on the outer wall of mount pad and install the change, the change runs through every lead to the groove, and evenly is provided with the boss on the outer wall of change.

Preferably, the mounting base is provided with a round hole matched with the pin shaft, the pin shaft is sleeved with a spring, one end of the spring is fixed on the pin shaft, and the other end of the spring is fixed on the inner wall of the round hole.

The utility model has the advantages that:

1. the internal thread pipe is driven to move on the adjusting screw rod through rotating the rotary button, and the supporting rod is driven to rotate by the internal thread pipe, so that the disc body can rotate in the upper and lower directions, and students can watch the disc conveniently.

2. Through rotating the swivel, by boss extrusion round pin axle, make round pin axle keep away from the installation axle to can carry out the rotation of left right direction to the sand table body, the teaching of being convenient for is used, has improved its practicality greatly.

Drawings

Fig. 1 is a schematic structural diagram of a main view of a sand table for international trade teaching according to the present invention;

fig. 2 is a schematic side sectional structural view of a sand table for international trade teaching according to the present invention;

fig. 3 is the utility model provides an inside schematic structure of mount pad in sand table for international trade teaching.

In the figure: the sand table comprises a base 1, a regulating chamber 2, an installing lug plate 3, a supporting rod 4, a regulating screw rod 5, an internal threaded pipe 6, a connecting rod 7, a rotating button 8, an installing seat 9, an installing shaft 10, a sand table body 11, a clamping groove 12, a pin shaft 13, a spring 14, a through groove 15, a rotating ring 16 and a boss 17.

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.

Referring to fig. 1-3, a sand table for international trade teaching comprises a base 1 and a sand table body 11, wherein an adjusting chamber 2 is arranged at the upper end of the base 1, an opening is arranged at the upper end of the adjusting chamber 2, mounting lug plates 3 are vertically fixed at both sides of the top end of the adjusting chamber 2, a support rod 4 is rotatably mounted between the two mounting lug plates 3 through a rotating shaft, a mounting seat 9 is fixed at the top end of the support rod 4, the sand table body 11 is rotatably mounted at the upper end of the mounting seat 9 through a mounting shaft 10, a groove is formed at the upper end of the mounting seat 9, the mounting shaft 10 is rotatably mounted in the groove through a bearing, six clamping grooves 12 are uniformly formed in the outer wall of the mounting shaft 10, six pin shafts 13 are uniformly and slidably mounted on the outer wall of the mounting seat 9, a round hole matched with the pin shafts 13 is formed in the mounting seat 9, and the other end of spring 14 is fixed at the inner wall of round hole, and the one end of round pin axle 13 extends to the inside of mount pad 9, and round pin axle 13 and draw-in groove 12 looks adaptation, and every round pin axle 13 is inserted respectively and is established in every draw-in groove 12 to all seted up logical groove 15 on every round pin axle 13, rotate on the outer wall of mount pad 9 and install change 16, change 16 runs through every logical groove 15, and evenly is provided with six bosss 17 on the outer wall of change 16.

Adjust the chamber 2, install accommodate the lead screw 5 through the bearing rotation between the both ends inner wall of adjust the chamber 2, accommodate the lead screw 5 one end runs through adjust the chamber 2, and accommodate the lead screw 5 outer end screw mounting has the knob 8, threaded connection has internal thread pipe 6 on accommodate the lead screw 5, internal thread pipe 6 and accommodate the lead screw 5 looks adaptation, connecting rod 7 is installed in the upper end rotation of internal thread pipe 6, the upper end of connecting rod 7 is inserted and is established in bracing piece 4, and connecting rod 7 and bracing piece 4 sliding fit, the spout has been seted up to its inside extension in the bottom of bracing piece 4, connecting rod 7 is inserted and is established in.

In this embodiment, when needs rotate sand table body 11 upper and lower direction, rotate knob 8 and drive accommodate the lead screw 5 and rotate, make internal thread pipe 6 remove on accommodate the lead screw 5 simultaneously to drive connecting rod 7 by internal thread pipe 6 and rotate, stir bracing piece 4 by connecting rod 7 and rotate at installation otic placode 3, make sand table body 11 rotate simultaneously, be convenient for student watch.

When the sand table body 11 left and right directions rotates, the rotating ring 16 is rotated, the rotating ring 16 rotates on the mounting seat 9, the boss 17 is driven to extrude the inner wall of the through groove 15, the pin shaft 13 moves towards the outer side of the mounting seat 9, and the pin shaft 13 is far away from the clamping groove 12, so that the sand table body 11 can be rotated, the sand table body 11 rotates left and right on the mounting seat 9, and the practicability of the sand table is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sand table for international trade teaching comprises a base (1) and a sand table body (11), and is characterized in that an adjusting chamber (2) is arranged at the upper end of the base (1), mounting lug plates (3) are vertically fixed on two sides of the top end of the adjusting chamber (2), a supporting rod (4) is rotatably mounted between the two mounting lug plates (3) through a rotating shaft, a mounting seat (9) is fixed at the top end of the supporting rod (4), and the sand table body (11) is rotatably mounted at the upper end of the mounting seat (9) through a mounting shaft (10);

rotation is installed accommodate the lead screw (5) between the both ends inner wall of adjustment chamber (2), threaded connection has internal thread pipe (6) on accommodate the lead screw (5), connecting rod (7) are installed in the upper end rotation of internal thread pipe (6), the upper end of connecting rod (7) is inserted and is established in bracing piece (4), and connecting rod (7) and bracing piece (4) sliding fit.

2. The sand table for international trade teaching according to claim 1, wherein one end of the adjusting screw rod (5) penetrates through the adjusting chamber (2), and a rotating button (8) is mounted at the outer end of the adjusting screw rod (5) through a screw.

3. The sand table for international trade teaching as claimed in claim 1, wherein the bottom end of the supporting rod (4) extends inwards to form a sliding groove, and the connecting rod (7) is inserted into the sliding groove.

4. The sand table for international trade teaching according to claim 1, wherein the mounting seat (9) is provided with a groove at the upper end, the mounting shaft (10) is rotatably mounted in the groove through a bearing, and the outer wall of the mounting shaft (10) is uniformly provided with clamping grooves (12).

5. The sand table for international trade teaching as claimed in claim 4, wherein a pin shaft (13) is uniformly slidably mounted on the outer wall of the mounting seat (9), one end of the pin shaft (13) extends into the mounting seat (9), the pin shaft (13) is matched with the clamping groove (12), a through groove (15) is formed in each pin shaft (13), a rotating ring (16) is rotatably mounted on the outer wall of the mounting seat (9), the rotating ring (16) penetrates through each through groove (15), and bosses (17) are uniformly arranged on the outer wall of the rotating ring (16).

6. The sand table for international trade teaching according to claim 5, wherein a round hole matched with the pin shaft (13) is formed in the mounting seat (9), a spring (14) is sleeved on the pin shaft (13), one end of the spring (14) is fixed on the pin shaft (13), and the other end of the spring (14) is fixed on the inner wall of the round hole.