CN216423921U

CN216423921U - Multi-functional primary school teaching aid convenient to accomodate

Info

Publication number: CN216423921U
Application number: CN202123353759.2U
Authority: CN
Inventors: 陆雪莲
Original assignee: Tonghua Normal University
Current assignee: Tonghua Normal University
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-03
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a multi-functional primary school teaching aid convenient to accomodate, including the ruler, the left side front end swing joint of ruler has first connecting block, the top and the bottom at the first connecting block back all have the compasses leg through pivot swing joint, the draw-in groove has all been seted up to the left top of ruler and bottom, the inner chamber swing joint of draw-in groove has the card post, the mounting groove has all been seted up to the top and the bottom on first connecting block right side, the inner chamber fixedly connected with spring of mounting groove, the other end fixedly connected with slider of spring. The utility model discloses a cooperation of ruler, first connecting block, compasses leg, draw-in groove, card post, mounting groove, spring, slider, second connecting block, protective sheath, spout, ejector pad and pinhole is used, can realize drawing the function of circle and carry out the function of measuring, still possesses good folding function simultaneously to be convenient for accomodate it, brought very big facility for teaching work.

Description

Multi-functional primary school teaching aid convenient to accomodate

Technical Field

The utility model relates to a teaching aid technical field specifically is a multi-functional primary school teaching aid convenient to accomodate.

Background

The teaching aid is in order to propagate science and technology, educate the material object of people as the purpose, is complete science and technology media, is indispensable equipment among teenagers' science and technology activity, and the teaching aid that uses has material object teaching aid and replica teaching aid among the science and technology activity, specifically has the sample or the sample that come from the nature: such as biological specimens, mineral specimens, fossil, rock and rare animal samples used in scientific and technical education activities, and imitation and model 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. If the used model of human anatomy model, boat, sea, car model etc. again, the teaching aid can also fall into the demonstration and use and practice operation with two kinds, need use teaching aids such as straightedge in the teaching work of primary school and teach, but its function singleness of current teaching aid, and do not have multi-functional function, and also be convenient for accomodate to bring very big inconvenience for teaching work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional primary teaching aid convenient to accomodate possesses multi-functional advantage, has solved its function singleness of current teaching aid, and does not possess multi-functional function, and also is not convenient for accomodate to the problem of very big inconvenience has been brought for teaching work.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional primary school teaching aid convenient to store, which comprises a ruler, wherein the front end of the left side of the ruler is movably connected with a first connecting block, the top and the bottom of the back of the first connecting block are both movably connected with compass legs through rotating shafts, the top and the bottom of the left side of the ruler are both provided with clamping grooves, the inner cavity of the clamping groove is movably connected with a clamping column, the top and the bottom of the right side of the first connecting block are both provided with mounting grooves, the inner cavity of the mounting groove is fixedly connected with a spring, the other end of the spring is fixedly connected with a sliding block, one side of the sliding block, which is far away from the spring, is fixedly connected with the clamping column, the back sides of the top and the bottom of the ruler are movably connected with pin shafts, one end of each pin shaft, which is far away from the ruler, is fixedly connected with a second connecting block, the opposite side of second connecting block passes through pivot and compasses leg swing joint, and the left side cover before two compasses legs is equipped with the protective sheath.

Preferably, scale marks are etched on the surfaces of the ruler, the first connecting block, the compass legs and the protective sleeve, and the scale marks are designed continuously.

Preferably, the top and the bottom of the surface of the first connecting block are both provided with a sliding groove, the inner cavity of the sliding groove is connected with a pushing block in a sliding mode, and the back face of the pushing block is fixedly connected with the sliding block.

Preferably, the pin holes are formed in the rear ends of the top and the left side of the bottom of the ruler and are movably connected with the pin shaft.

Preferably, the ruler is elastically connected with the second connecting block and is detachably designed.

Preferably, one end of the compass leg, which is positioned in the inner cavity of the protective sleeve, is fixedly connected with a stitch and a pencil cap respectively.

Preferably, the through holes through the rotating shaft are formed in the left top and the bottom of the surfaces of the first connecting block and the second connecting block, and the rotating shaft is in interference fit with the through holes.

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

1. the utility model discloses a cooperation of ruler, first connecting block, compasses leg, draw-in groove, card post, mounting groove, spring, slider, second connecting block, protective sheath, spout, ejector pad and pinhole is used, can realize drawing the function of circle and carry out the function of measuring, still possesses good folding function simultaneously to be convenient for accomodate it, brought very big facility for teaching work.

2. The utility model discloses a set up the scale mark, can be convenient for carry out the measuring function, through setting up spout and ejector pad, can conveniently promote the slider, guarantee the convenience of ruler installation, through setting up the pinhole, can guarantee the convenience that ruler and second connecting block are connected.

Drawings

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

fig. 2 is a schematic view of a connection structure between the straight ruler and the first connection block of the present invention;

fig. 3 is the utility model discloses ruler and second connecting block connection structure sketch map.

In the figure: 1. a straightedge; 2. a first connection block; 3. a compass leg; 4. a card slot; 5. clamping the column; 6. mounting grooves; 7. a spring; 8. a slider; 9. a second connecting block; 10. a protective sleeve; 11. a chute; 12. a push block; 13. a pin hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

Referring to fig. 1-3, a multifunctional primary school teaching aid convenient to store comprises a ruler 1, a first connecting block 2 is movably connected to the front end of the left side of the ruler 1, compasses legs 3 are movably connected to the top and the bottom of the back of the first connecting block 2 through rotating shafts, through holes are formed in the top and the bottom of the left side of the surfaces of the first connecting block 2 and a second connecting block 9, the rotating shafts are in interference fit with the through holes, clamping grooves 4 are formed in the top and the bottom of the left side of the ruler 1, clamping columns 5 are movably connected to the inner cavity of the clamping grooves 4, mounting grooves 6 are formed in the top and the bottom of the right side of the first connecting block 2, springs 7 are fixedly connected to the inner cavity of the mounting grooves 6, sliders 8 are fixedly connected to the other ends of the springs 7, one sides of the sliders 8, far away from the springs 7, are fixedly connected to the clamping columns 5, and chutes 11 are formed in the top and the bottom of the surfaces of the first connecting block 2, the inner cavity of the chute 11 is connected with a push block 12 in a sliding manner, the back of the push block 12 is fixedly connected with a slide block 8, the back sides of the top and the bottom of the ruler 1 are movably connected with a pin shaft, one end of the pin shaft far away from the ruler 1 is fixedly connected with a second connecting block 9, the back ends of the top and the left side of the bottom of the ruler 1 are respectively provided with a pin hole 13, the pin holes 13 are movably connected with the pin shaft, the ruler 1 and the second connecting block 9 are elastically connected and are in detachable design, the other side of the second connecting block 9 is movably connected with the compass legs 3 through a rotating shaft, the left side in front of the two compass legs 3 is sleeved with a protective sleeve 10, the surfaces of the ruler 1, the first connecting block 2, the compass legs 3 and the protective sleeve 10 are respectively etched with scale marks which are in coherent design, one end of the compass legs 3, which is positioned in the inner cavity of the protective sleeve 10, and the function of measurement can be conveniently performed by setting the scale marks, through setting up spout 11 and ejector pad 12, can conveniently promote slider 8, the convenience of ruler 1 installation has been guaranteed, through setting up pinhole 13, can guarantee the convenience that ruler 1 and second connecting block 9 are connected, through ruler 1, first connecting block 2, compasses leg 3, draw-in groove 4, card post 5, mounting groove 6, spring 7, slider 8, second connecting block 9, protective sheath 10, spout 11, ejector pad 12 and pinhole 13's cooperation is used, can realize drawing the function of circle and carry out the function of measuring, still possess good folding function simultaneously, thereby be convenient for accomodate it, bring very big facility for teaching work.

During the use, through ruler 1, first connecting block 2, the measurement work of line segment can be realized to compasses leg 3 and protective sheath 10, then take off protective sheath 10, can draw going on of circle work, through promote ejector pad 12 left, ejector pad 12 drives slider 8 and removes, slider 8 drives card post 5 and removes, card post 5 breaks away from the inner chamber of draw-in groove 4, ruler 1 breaks away from with first connecting block 2 this moment, can carry out folding work, break off with the fingers and thumb through breaking second connecting block 9 from top to bottom and make round pin axle and pinhole 13 break away from, can take off ruler 1, can carry out the radius of compasses and confirm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 multi-functional primary school teaching aid convenient to accomodate, includes ruler (1), its characterized in that: the ruler is characterized in that a first connecting block (2) is movably connected to the front end of the left side of the ruler (1), the top and the bottom of the back face of the first connecting block (2) are both movably connected with compass legs (3) through rotating shafts, clamping grooves (4) are formed in the left top and the left bottom of the ruler (1), clamping columns (5) are movably connected to the inner cavity of each clamping groove (4), mounting grooves (6) are formed in the top and the bottom of the right side of the first connecting block (2), springs (7) are fixedly connected to the inner cavity of the mounting grooves (6), sliders (8) are fixedly connected to the other ends of the springs (7), one sides, far away from the springs (7), of the sliders (8) are fixedly connected with the clamping columns (5), hinge pins are movably connected to the rear sides of the top and the bottom of the ruler (1), and second connecting blocks (9) are fixedly connected to one ends, far away from the ruler (1), of the hinge pins, the other side of the second connecting block (9) is movably connected with the compass legs (3) through a rotating shaft, and a protective sleeve (10) is sleeved on the left side in front of the two compass legs (3).

2. The multi-functional primary school teaching aid convenient to accomodate of claim 1, characterized in that: the surface of the ruler (1), the first connecting block (2), the compass legs (3) and the protective sleeve (10) is etched with scale marks, and the scale marks are designed continuously.

3. The multi-functional primary school teaching aid convenient to accomodate of claim 1, characterized in that: spout (11) have all been seted up to the top and the bottom on first connecting block (2) surface, the inner chamber sliding connection of spout (11) has ejector pad (12), the back and slider (8) fixed connection of ejector pad (12).

4. The multi-functional primary school teaching aid convenient to accomodate of claim 1, characterized in that: pinhole (13) have all been seted up to ruler (1) top and the left rear end in bottom, pinhole (13) and round pin axle swing joint.

5. The multi-functional primary school teaching aid convenient to accomodate of claim 1, characterized in that: ruler (1) and second connecting block (9) are elastic connection, and for detachable design.

6. The multi-functional primary school teaching aid convenient to accomodate of claim 1, characterized in that: one end of the compass leg (3) positioned in the inner cavity of the protective sleeve (10) is fixedly connected with a stitch and a pencil head sleeve respectively.

7. The multi-functional primary school teaching aid convenient to accomodate of claim 1, characterized in that: the through holes through the rotating shaft are formed in the left top and the bottom of the surfaces of the first connecting block (2) and the second connecting block (9), and the rotating shaft and the through holes are in interference fit.