CN216128053U

CN216128053U - Two-sided foldable teaching aid that international economy and trade teaching were used

Info

Publication number: CN216128053U
Application number: CN202122718042.7U
Authority: CN
Inventors: 陈学伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-25
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a double-sided folding teaching aid for international economy and trade teaching, which comprises a writing board A, a writing board B, a hinge, an unfolding and fixing mechanism and a supporting mechanism, wherein the unfolding and fixing mechanism consists of a jack A, a jack B, an inserting column A, an inserting column B, a transverse plate and a U-shaped clamping frame, the unfolding and fixing mechanism is arranged on the surfaces of the writing board A and the writing board B, when the writing board A and the writing board B are unfolded into a planar plate body by virtue of the hinge, the inserting column A and the inserting column B below the transverse plate are respectively inserted into the jack A and the jack B for fixing, the U-shaped clamping frames at the two ends of the transverse plate are clamped and sleeved at the top ends of the writing board A and the writing board B for fixing, at the moment, the unfolded plate bodies of the writing board A and the writing board B are associated by virtue of the unfolding and fixing mechanism, when the associated writing board A and the writing board B are stressed after being unfolded, the folding position of the plate body is limited and supported by virtue of the U-shaped clamping frames, thereby limiting the concave shaking of the writing folds of the writing boards a and B.

Description

Two-sided foldable teaching aid that international economy and trade teaching were used

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a double-sided folding teaching aid for international economy and trade teaching.

Background

The teaching aid is a material object for propagating science and technology and educating people, is a complete scientific and technological medium, and is an indispensable device in teenager scientific and technological activities. Teaching aids used in scientific and technological activities include real object teaching aids and replica teaching aids. In particular, specimens or samples from nature: such as biological samples, mineral samples, fossil, rock and rare animal samples, etc. used in scientific and technical education activities. Also copies and models of specimens: some samples are precious (such as Beijing apen skull fossils) and are not suitable for being spread everywhere, so people make various imitations and models for spreading scientific and technical information. Also, the model can be used for human anatomy models, aeronautical, maritime and vehicular models, and the like. The teaching aid can also be divided into two types for demonstration and practice operation.

Patent No. CN201921519674.7 discloses a double-sided folding teaching aid for international economy and trade teaching, which comprises a left mounting plate connected with a right mounting plate, wherein the left mounting plate and the right mounting plate are movably connected through two first hinges, a locking bolt is arranged at the top end of the joint of the left mounting plate and the right mounting plate, both sides of the lower end surface of the left mounting plate and the right mounting plate are fixedly connected with supporting legs, a connecting rod is fixedly connected between the two supporting legs, a second hinge is arranged at the middle part of the connecting rod, the lower end surfaces of the two supporting legs are respectively provided with a support plate, two universal wheels are arranged at the bottom of the two support plates, the occupied area is reduced, the moving and the storage are convenient, the practicability is high, the two sides of the device are matched with the trade teaching work, the teaching mode is various, and the existing international economy and teaching aid are generally fixedly integrated, can not be folded, is inconvenient to move, has a single teaching mode and is inconvenient to use.

1. The international economy and the trade of prior art can write with the clipboard when the teaching, and the solid mechanism of better exhibition is lacked to current two-sided foldable clipboard teaching aid after expanding, and then its folding gap department is easy atress sunken when the clipboard expandes, and then arouses rocking of clipboard, for this reason, we provide a two-sided foldable teaching aid that international economy and trade teaching used.

2. The international economy of prior art and trade when teaching, can write with the clipboard, and current two-sided foldable clipboard teaching aid bottom lacks better supporting mechanism, and this kind of two-sided foldable clipboard teaching aid does not possess and supports and accomodate two kinds of function bearing structure, for this reason, we provide a two-sided foldable teaching aid that international economy and trade teaching were used.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a double-sided folding teaching aid for international economy and trade teaching, which can effectively solve the problems in the background technology.

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

the utility model provides a two-sided foldable teaching aid that international economy and trade teaching were used, includes clipboard A, clipboard B and hinge, still includes that the exhibition is firm to be constructed and supporting mechanism, the exhibition is firm to be constructed by jack A, jack B, insert post A, insert post B, diaphragm and U-shaped card frame and constitute, jack A and jack B have been seted up respectively on clipboard A and clipboard B's top, and jack A and jack B punishment do not insert and insert post A and insert post B, insert post A and insert post B symmetric welding in the bottom of diaphragm, and the plate body both ends welded fastening of diaphragm has the U-shaped card frame, clipboard A and clipboard B's bottom is provided with supporting mechanism, and supporting mechanism comprises peg graft box A, peg box B, connecting plate, base case and case mouth.

Further, the bottom symmetry of clipboard A and clipboard B is provided with plug box A, and pegs graft between plug box A's bottom and the plug box B and have the connecting plate, plug box B symmetric welding is on the box top of base case, and the case mouth has been seted up to box one side of base case.

Furthermore, a hinge is arranged between the writing board A and the writing board B.

Furthermore, a frame groove is formed in the bottom end of the U-shaped clamping frame, and the size of the frame groove of the U-shaped clamping frame is matched with the sizes of the board bodies of the writing board A and the writing board B; frame groove, clipboard A and the clipboard B of size adaptation for the U-shaped card frame can be fixed at clipboard A and clipboard B outside cutting ferrule with the help of the frame groove.

Furthermore, box cavities with the same size are formed in the box bodies of the plug box A and the plug box B, and a connecting plate is inserted between the box cavities of the plug box A and the plug box B; the plug box A and the plug box B are provided with box cavities which can be inserted into the connecting plate for fixing.

Compared with the prior art, the utility model has the following beneficial effects:

1. in the utility model, the writing board A and the writing board B on two sides of the hinge are respectively provided with the jack A and the jack B of the unfolding and fixing mechanism, when the writing board A and the writing board B are unfolded into the plane board body by the hinge, the inserting column A and the inserting column B below the transverse plate can be respectively inserted into the inserting hole A and the inserting hole B for fixation, the U-shaped clamping frames at the two ends of the transverse plate are clamped and sleeved at the top ends of the writing board A and the writing board B for fixation, the unfolded plate bodies of the writing board A and the writing board B are associated at a fixed point by the aid of the unfolding and fixing mechanism, when the associated writing board A and the writing board B are stressed after being unfolded, the transverse plate is arranged at the folding position of the plate for limiting and supporting by the aid of the U-shaped clamping frames, thereby restrict clipboard A and clipboard B and write sunken rocking of folding department, with diaphragm pull-up make its bottom insert post A, insert post B and U-shaped card frame keep away from clipboard A and clipboard B alright continue to carry out the folding of panel and deposit.

2. According to the utility model, the support mechanisms are arranged at the bottom ends of the writing board A and the writing board B, the plug-in box A at the bottom ends of the writing board A and the writing board B can be connected with the plug-in box B at the top end of the base box through the plug-in connecting plate, the expanded bottom ends of the writing board A and the writing board B are supported by the support mechanisms, the connecting plate is taken out from the space between the plug-in box A and the plug-in box B and put into the base box along the box opening for storage, then the writing board A and the writing board B can be put into the base box for storage after being folded by means of hinges, and thus the support and storage double functions of the support structures at the bottom ends of the writing board A and the writing board B are realized.

Drawings

Fig. 1 is a schematic view of the overall structure of a double-sided folding teaching aid used for international economy and trade teaching.

Fig. 2 is an exploded view of a spreading and fixing mechanism of a double-sided folding teaching aid used for international economy and trade teaching of the utility model.

Fig. 3 is an exploded view of a support mechanism of a double-sided folding teaching aid for international economics and trade teaching of the present invention.

In the figure: 1. a writing board A; 2. a writing board B; 3. a hinge; 4. a spreading and fixing mechanism; 401. a jack A; 402. a jack B; 403. inserting a column A; 404. inserting a column B; 405. a transverse plate; 406. a U-shaped clamping frame; 5. a support mechanism; 501. a plug box A; 502. a plug box B; 503. a connecting plate; 504. a base box; 505. and (4) a box opening.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a double-sided folding teaching aid for international economy and trade teaching comprises a writing board a1, a writing board B2 and a hinge 3, and further comprises a spreading mechanism 4 and a supporting mechanism 5, wherein the spreading mechanism 4 comprises a jack a401, a jack B402, a plug column a403, a plug column B404, a transverse plate 405 and a U-shaped clamping frame 406, the top ends of the writing board a1 and the writing board B2 are respectively provided with a jack a401 and a jack B402, the jack a401 and the jack B402 are respectively inserted with a plug column a403 and a plug column B404, the plug column a403 and the plug column B404 are symmetrically welded at the bottom ends of the transverse plate 405, the U-shaped clamping frame 406 is welded and fixed at the two ends of the plate body of the transverse plate 405, the bottom ends of the writing board a1 and the writing board B2 are provided with the supporting mechanism 5, and the supporting mechanism 5 is composed of a501, plug boxes B502, 503, a base box 504 and a box opening 505.

Plug-in boxes A501 are symmetrically arranged at the bottom ends of the writing board A1 and the writing board B2, a connecting plate 503 is plugged between the bottom end of the plug-in box A501 and the plug-in box B502, the plug-in boxes B502 are symmetrically welded to the top end of the box body of the base box 504, and a box opening 505 is formed in one side of the box body of the base box 504.

Wherein, a hinge 3 is arranged between the writing board A1 and the writing board B2.

The bottom end of the U-shaped clamping frame 406 is provided with a frame groove, and the size of the frame groove of the U-shaped clamping frame 406 is matched with the plate body sizes of a writing board A1 and a writing board B2; the bezel, tablet a1, and tablet B2 are sized to allow the U-shaped bezel 406 to be snap-fit over the exterior of tablet a1 and tablet B2 via the bezel.

Box cavities with the same size are formed in the box bodies of the plug box A501 and the plug box B502, and a connecting plate 503 is inserted between the box cavities of the plug box A501 and the plug box B502; and box cavities are formed in the plug box A501 and the plug box B502, and can be inserted into the connecting plate 503 for fixing.

It should be noted that the utility model is a double-sided folding teaching aid used in international economy and trade teaching, the surfaces of a writing board A1 and a writing board B2 on both sides of a hinge 3 are respectively provided with a jack A401 and a jack B402 of a unfolding fixing mechanism 4, when a writing board A1 and a writing board B2 are unfolded into plane boards by means of the hinge 3, an inserting column A403 and an inserting column B404 under a transverse plate 405 can be respectively inserted into the jack A401 and the jack B402 for fixation, at the moment, U-shaped clamping frames 406 on both ends of the transverse plate 405 are clamped and sleeved on the top ends of the writing board A1 and the writing board B2 for fixation, at the moment, the unfolding fixing mechanism 4 is used for realizing the association of the boards after the writing board A1 and the writing board B2 are unfolded, when the related writing board A1 and the writing board B2 are stressed after being unfolded, the folding position of the plate is limited and supported by the transverse plate 405 by means of the U-shaped clamping frames 406, thereby limiting the swinging of the folding positions of the writing board A1 and the writing board B2, the transverse plate 405 is pulled upwards to enable the inserting column A403, the inserting column B404 and the U-shaped clamping frame 406 at the bottom end of the transverse plate to be far away from the writing board A1 and the writing board B2, and then the folding and storage of the plate can be continued, a supporting mechanism 5 is arranged at the bottom ends of the writing board A1 and the writing board B2, a connecting plate 503 can be connected between the inserting box A501 at the bottom ends of the writing board A1 and the writing board B2 and the inserting box B502 at the top end of the base box 504 in an inserting and connecting mode, at the moment, the supporting mechanism 5 is arranged at the bottom ends of the unfolded writing board A1 and the writing board B2 to support, the connecting plate 503 is taken out from the space between the inserting and connecting box A501B 502 and is placed into the base box 504 along the box opening 505 to be stored, then the writing board A1 and the writing board B2 can be placed into the base box 504 to be stored after being folded through hinges 3, and further the supporting and the storage functions of the supporting structures at the bottom ends of the writing board A1 and the writing board B2 can be realized.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two-sided foldable teaching aid of international economy and trade teaching use, includes clipboard A (1), clipboard B (2) and hinge (3), its characterized in that: the writing board is characterized by further comprising a spreading and fixing mechanism (4) and a supporting mechanism (5), wherein the spreading and fixing mechanism (4) is composed of a jack A (401), a jack B (402), an inserting column A (403), an inserting column B (404), a transverse plate (405) and a U-shaped clamping frame (406), the top ends of the writing board A (1) and the writing board B (2) are respectively provided with the jack A (401) and the jack B (402), the jack A (403) and the inserting column B (404) are respectively inserted into the jacks A (401) and the jack B (402), the inserting column A (403) and the inserting column B (404) are symmetrically welded at the bottom end of the transverse plate (405), the U-shaped clamping frames (406) are welded and fixed at two ends of the plate body of the transverse plate (405), the bottom ends of the writing board A (1) and the writing board B (2) are provided with the supporting mechanism (5), and the supporting mechanism (5) is composed of the inserting box A (501), the inserting box B (502), the connecting plate (503) and the connecting plate (503), A base case (504) and a case opening (505).

2. A double-sided folding teaching aid for international economy and trade teaching as claimed in claim 1, wherein: the bottom symmetry of clipboard A (1) and clipboard B (2) is provided with plug box A (501), and pegs graft between the bottom of plug box A (501) and plug box B (502) and have connecting plate (503), plug box B (502) symmetric welding is on the box top of base box (504), and box mouth (505) have been seted up to box one side of base box (504).

3. A double-sided folding teaching aid for international economy and trade teaching as claimed in claim 1, wherein: and a hinge (3) is arranged between the writing board A (1) and the writing board B (2).

4. A double-sided folding teaching aid for international economy and trade teaching as claimed in claim 1, wherein: the bottom end of the U-shaped clamping frame (406) is provided with a frame groove, and the size of the frame groove of the U-shaped clamping frame (406) is matched with the sizes of the writing board A (1) and the writing board B (2).

5. A double-sided folding teaching aid for international economy and trade teaching as claimed in claim 1, wherein: the box body of the plug box A (501) and the box body of the plug box B (502) are provided with box cavities with the same size, and a connecting plate (503) is inserted between the box cavities of the plug box A (501) and the plug box B (502).