CN208271422U - A kind of portable primary school mathematics auxiliary device - Google Patents

Abstract

The utility model discloses a kind of portable primary school mathematics auxiliary devices, including digital hanging plate and figure hanging plate, the number hanging plate and figure hanging plate are hinged, the side of the number hanging plate is fixedly connected with the first hamper, the side of figure hanging plate is fixedly connected with the second hamper, the first turntable is rotatably connected on the inner wall of first hamper, pass through digital hanging plate, the combination of figure hanging plate and portable rope, teaching aid can be fixed on digital hanging plate and figure hanging plate using drawing pin, it replaces and shows convenient for teaching aid, it takes and shows without hand, it is closed the first hamper and the second hamper, it is inserted into fixture block, both digital hanging plate and figure hanging plate tight closure can guarantee, prevent article from falling, also ensure that the both ends of portable rope are located in the first hamper and the second hamper, a variety of teaching aids are easily shifted in singlehanded lifting hand lifting rope realization, save teacher's time , easy to operate.

Description

A kind of portable primary school mathematics auxiliary device

Technical field

The utility model relates to teaching aid technical field, specially a kind of portable primary school mathematics auxiliary device.

Background technique

In primary school math teaching, the application for accessory of imparting knowledge to students can preferably promote the learning interest of student, help student Class offerings are better understood, math teaching tool for primary school includes school wall map, card, model etc., various shapes, use of different sizes Tool, usually these teaching the scattered placements of accessory, it is not portable, and at school when, need teacher's hand take show, give teacher increase Burden is added, it is therefore desirable to provide a kind of device of teaching accessory convenient to use.

Utility model content

The purpose of this utility model is to provide a kind of portable primary school mathematics auxiliary devices, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of portable primary school mathematics auxiliary device, Including digital hanging plate and figure hanging plate, the number hanging plate and figure hanging plate are hinged, and the side of the number hanging plate is fixed to be connected It is connected to the first hamper, the side of figure hanging plate is fixedly connected with the second hamper, is rotatably connected on the inner wall of first hamper First turntable is coaxially connected with reel on first turntable, and being intertwined and connected on the reel has one end of portable rope, institute The other end activity for stating portable rope runs through the roof of the first hamper, and is fixedly connected with fixture block, the lower section of first turntable Equipped with push rod, and the first turntable is abutted against with push rod, and the both ends activity of the push rod runs through the two sidewalls of the first hamper, and push rod One end close to the second hamper is fixedly connected with the first magnet, and slot is offered on first magnet, second hamper Opening corresponding with the first magnet is offered on side wall, and is fixedly connected on the inner sidewall of the second hamper and the first magnet phase Corresponding second magnet, the roof of second hamper is concave structure, and the roof indent of the second hamper is equipped with briquetting, institute The bottom end for stating briquetting is fixedly connected with inserted link, and the inserted link activity runs through the roof of the second hamper, and spring is socketed on inserted link, One end of spring is fixedly connected on the bottom end of briquetting, and the other end of spring is fixedly connected on the roof of the second hamper, the pressure The two sides of block are symmetrically arranged with two stripper plates, and the stripper plate is fixedly connected with one end of l-shaped rod far from the side of briquetting, described The other end activity of l-shaped rod runs through the side wall of the top recess of the second hamper, and is fixedly connected with sliding block, the side of the sliding block On the sliding slot that the inner wall that wall is slidably connected at the second hamper is opened up, and the bottom end of sliding block is fixedly connected with connecting rod, described to insert The two sides of bar are set there are two symmetrically arranged second turntable, and the second turntable is rotatably connected on the inner wall of the second hamper, is located at Rocking handle is fixedly connected on the second turntable on the right side of inserted link, rocking handle activity runs through the front side wall of the second hamper, second turntable It is in contact with inserted link, and the second turntable is fixedly connected with top plate far from the side of inserted link, the top plate is in contact with connecting rod.

Preferably, the first friction plate is fixedly connected on the side wall of the push rod and inserted link.

Preferably, the outer ring of first turntable and the second turntable is socketed with corresponding with the first friction plate second and rubs Pad.

Preferably, the surface of the digital hanging plate and figure hanging plate is spongy layer, and multiple drawing pins are inserted on spongy layer.

Preferably, the diameter of first turntable is 1cm bigger than reel diameter.

Compared with prior art, the utility model has the beneficial effects that passing through digital hanging plate, figure hanging plate and portable rope Teaching aid, can be fixed on digital hanging plate and figure hanging plate by combination using drawing pin, replaced and shown convenient for teaching aid, and hand is not necessarily to By displaying, it is closed the first hamper and the second hamper, is inserted into fixture block, digital hanging plate and figure hanging plate tight closure has both been can guarantee, has prevented Only article is fallen, and also ensures that the both ends of portable rope are located in the first hamper and the second hamper, and it is convenient that singlehanded lifting hand lifting rope is realized The a variety of teaching aids of transfer, save teacher's time, when opening need to only rotate the rocking handle on the second hamper, make to be manually pulled out the again One magnet withdraws portable rope in the first hamper, avoids the use that portable rope interferes teaching aid.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the first hamper and the second hamper combining structure schematic diagram.

In figure: digital hanging plate 1, figure hanging plate 2, the first hamper 3, the second hamper 4, the first magnet 5, the second magnet 6, push rod 7, the first turntable 8, portable rope 9, fixture block 10, connecting rod 11, top plate 12, briquetting 13, stripper plate 14, l-shaped rod 15, sliding block 16, Two turntables 17, inserted link 18.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of portable primary school mathematics auxiliary device, packet Digital hanging plate 1 and figure hanging plate 2 are included, digital hanging plate 1 and figure hanging plate 2 are hinged, the surface of digital hanging plate 1 and figure hanging plate 2 It is spongy layer, and is inserted with multiple drawing pins on spongy layer, a variety of teaching aids is fixed on spongy layer by drawing pin, digital hanging plate 1 side is fixedly connected with the first hamper 3, and the side of figure hanging plate 2 is fixedly connected with the second hamper 4, the inner wall of the first hamper 3 On be rotatably connected to the first turntable 8, reel is coaxially connected on the first turntable 8, the diameter of the first turntable 8 is than reel diameter Big 1cm, being intertwined and connected on reel has one end of portable rope 9, and the other end activity of portable rope 9 runs through the roof of the first hamper 3, And it is fixedly connected with fixture block 10, the lower section of the first turntable 8 is equipped with push rod 7, and the first turntable 8 is abutted against with push rod 7, push rod 7 Both ends activity run through the two sidewalls of the first hamper 3, and push rod 7 is fixedly connected with the first magnet close to one end of the second hamper 4 5, slot is offered on the first magnet 5, and opening corresponding with the first magnet 5, and second are offered on the side wall of the second hamper 4 Second magnet 6 corresponding with the first magnet 5 is fixedly connected on the inner sidewall of hamper 4, the roof of the second hamper 4 is concave knot Structure, and the roof indent of the second hamper 4 is equipped with briquetting 13, the bottom end of briquetting 13 is fixedly connected with inserted link 18,18 activity of inserted link Through the roof of the second hamper 4, and spring is socketed on inserted link 18, one end of spring is fixedly connected on the bottom end of briquetting 13, bullet The other end of spring is fixedly connected on the roof of the second hamper 4, and the two sides of briquetting 13 are symmetrically arranged with two stripper plates 14, stripper plate 14 sides far from briquetting 13 are fixedly connected with one end of l-shaped rod 15, and the other end activity of l-shaped rod 15 is through the second hamper 4 The side wall of top recess, and it is fixedly connected with sliding block 16, the inner wall that the side walls of sliding block 16 are connected to the second hamper 4 is opened If sliding slot on, and the bottom end of sliding block 16 is fixedly connected with connecting rod 11, and the two sides of inserted link 18 set that there are two symmetrically arranged the Two turntables 17, the second turntable 17 are rotatably connected on the inner wall of the second hamper 4, on second turntable 17 on 18 right side of inserted link It is fixedly connected with rocking handle, rocking handle activity runs through the front side wall of the second hamper 4, and the second turntable 17 is in contact with inserted link 18, and the Two turntables 17 are fixedly connected with top plate 12 far from the side of inserted link 18, and top plate 12 is in contact with connecting rod 11, push rod 7 and inserted link 18 Side wall on be fixedly connected to the first friction plate, the outer ring of the first turntable 8 and the second turntable 17 is socketed with and the first friction Corresponding second friction plate of piece.

Working principle: when needing mobile device, digital hanging plate 1 and figure hanging plate 2 being closed, the first hamper 3 and the second lid Box 4 is in contact, and pushes push rod 7 manually, enters the first magnet 5 in second hamper 4 and is in contact with the second magnet 6, push rod 7 is mobile When, the rotation of the first turntable 8 can be driven because of frictional force, loosen portable rope 9, then fixture block 10 is inserted into the top of the second hamper 4 manually It holds in recess, compresses briquetting 13 and inserted link 18 moves down, be inserted into inserted link 18 in the slot on first magnet 5, and due to friction Power rotates the second turntable 17 of 18 two sides of inserted link, drives stripper plate 14 to push the movement of connecting rod 11, drives two 15 phases of l-shaped rod To close, it is extruded in the top of fixture block 10, has both guaranteed 2 tight closure of digital hanging plate 1 and figure hanging plate, has prevented interior items from falling It falls, also ensures that the both ends of portable rope 9 are located in the first hamper 3 and the second hamper 4, be convenient for portable transfer teaching aid, when opening The rocking handle on the second hamper 4 is rotated, stripper plate 14 is restored, briquetting 13 can be pushed by spring and be moved up, and release fixture block 10, then manually The first magnet 5 is pulled out, the rotation of the first turntable 8 is driven to withdraw portable rope 9 in first hamper 3, portable rope 9 is effectively prevented and interferes The use of teaching aid.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of portable primary school mathematics auxiliary device, including digital hanging plate (1) and figure hanging plate (2), it is characterised in that: described Digital hanging plate (1) and figure hanging plate (2) are hinged, and the side of the number hanging plate (1) is fixedly connected with the first hamper (3), scheme The side of shape hanging plate (2) is fixedly connected with the second hamper (4), is rotatably connected to first turn on the inner wall of first hamper (3) Disk (8) is coaxially connected with reel on first turntable (8), and being intertwined and connected on the reel has the one of portable rope (9) The other end activity at end, the portable rope (9) runs through the roof of the first hamper (3), and is fixedly connected with fixture block (10), described The lower section of first turntable (8) is equipped with push rod (7), and the first turntable (8) is abutted against with push rod (7), and the both ends of the push rod (7) are living The dynamic two sidewalls through the first hamper (3), and push rod (7) is fixedly connected with the first magnet close to the one end of the second hamper (4) (5), slot is offered on first magnet (5), is offered on the side wall of second hamper (4) and the first magnet (5) phase Corresponding opening, and the second magnet (6) corresponding with the first magnet (5) is fixedly connected on the inner sidewall of the second hamper (4), The roof of second hamper (4) is concave structure, and the roof indent of the second hamper (4) is equipped with briquetting (13), the pressure The bottom end of block (13) is fixedly connected with inserted link (18), and inserted link (18) activity runs through the roof of the second hamper (4), and inserted link (18) spring is socketed on, one end of spring is fixedly connected on the bottom end of briquetting (13), and the other end of spring is fixedly connected on On the roof of two hampers (4), the two sides of the briquetting (13) are symmetrically arranged with two stripper plates (14), and the stripper plate (14) is separate The side of briquetting (13) is fixedly connected with one end of l-shaped rod (15), and the other end activity of the l-shaped rod (15) runs through the second hamper (4) side wall of top recess, and sliding block (16) are fixedly connected with, the side walls of the sliding block (16) are connected to the second lid On the sliding slot that the inner wall of box (4) is opened up, and the bottom end of sliding block (16) is fixedly connected with connecting rod (11), the inserted link (18) Two sides are set there are two symmetrically arranged second turntable (17), and the second turntable (17) is rotatably connected on the inner wall of the second hamper (4) On, it is located on the second turntable (17) on the right side of inserted link (18) and is fixedly connected with rocking handle, before rocking handle activity runs through the second hamper (4) Side wall, second turntable (17) are in contact with inserted link (18), and the second turntable (17) is fixed far from the side of inserted link (18) It is connected with top plate (12), the top plate (12) is in contact with connecting rod (11).

2. a kind of portable primary school mathematics auxiliary device according to claim 1, it is characterised in that: the push rod (7) and The first friction plate is fixedly connected on the side wall of inserted link (18).

3. a kind of portable primary school mathematics auxiliary device according to claim 1, it is characterised in that: first turntable (8) and the outer ring of the second turntable (17) is socketed with the second friction plate corresponding with the first friction plate.

4. a kind of portable primary school mathematics auxiliary device according to claim 1, it is characterised in that: the number hanging plate (1) and the surface of figure hanging plate (2) is spongy layer, and multiple drawing pins are inserted on spongy layer.

5. a kind of portable primary school mathematics auxiliary device according to claim 1, it is characterised in that: first turntable (8) diameter is 1cm bigger than reel diameter.