CN210443033U

CN210443033U - Teaching of junior middle school is with show board that can overturn

Info

Publication number: CN210443033U
Application number: CN201921083605.6U
Authority: CN
Inventors: 张立群; 王国林; 刘会平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-01
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a teaching is with show board of can overturning in junior middle school, including two supporting legs, two the equal fixedly connected with balance seat in supporting leg bottom side, two the supporting leg all rotates through rotating and is connected with the trip shaft, fixedly connected with metal frame on the trip shaft, be equipped with the zinc-plated blank in the metal frame, a plurality of draw-in grooves have been seted up on the trip shaft, two the mounting groove has still all been seted up to the supporting leg, fixedly connected with slide bar on the mounting groove lateral wall, sliding connection has the slider on the slide bar, be equipped with latch device on the slider, it is equipped with elastic mechanism still to overlap on the slide bar. The utility model discloses a pulling both sides L shape connecting rod lets the fixture block break away from the draw-in groove, and the slider slides on the slide bar simultaneously for 90 degrees backs overturn of metal frame, in the elasticity with the help of the spring lets the fixture block card again advance the draw-in groove, and the rotation of restriction card axle is accomplished fixedly, thereby the zinc-plated blank can act as the desk temporarily and place teaching tool, and is nimble more multi-purpose.

Description

Teaching of junior middle school is with show board that can overturn

Technical Field

The utility model relates to a junior middle school teaching technical field especially relates to a junior middle school teaching is with show board that can overturn.

Background

The abbreviation of junior middle school is in the beginning. The junior middle school is the primary stage of the middle school stage, which generally refers to the middle school of nine-year compulsory education, is a transition stage to the high-grade middle school, and belongs to the category of the middle school.

Teachers pay more attention to arousing the independent thinking problem of students; outside the classroom teaching, the mr is not only traditional blackboard-writing education, still can show the image information of various cultivation interests on the information display board, but traditional display board has possessed the upset function, but can only carry out 180 degrees upsets on the positive and negative, stops fixedly after the specific angle of unable upset again, can't overturn 90 degrees when the classroom education file is too much and stops the instrument of placing education usefulness, books etc. when the desk temporarily.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: although traditional show board has possessed the upset function, can only carry out 180 degrees upsets in the positive and negative, can't stop fixedly after the specific angle of upset again, can't overturn 90 degrees stops the back and carry out the instrument of placing education usefulness, books etc. when the desk when the classroom education file is too much.

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

the utility model provides a teaching is with show board that can overturn in junior middle school, includes two supporting legs, two the equal fixedly connected with balance seat in supporting leg bottom side, two the supporting leg all rotates through rotating and is connected with the card axle, epaxial fixedly connected with metal frame of card, be equipped with the galvanized white board in the metal frame, a plurality of draw-in grooves have been seted up on the card axle, two the mounting groove has still all been seted up to the supporting leg, fixedly connected with slide bar on the mounting groove lateral wall, sliding connection has the slider on the slide bar, be equipped with latch device on the slider, still the cover is equipped with elastic mechanism on the slide bar, a plurality of spacing grooves have been seted.

Preferably, the elastic mechanism comprises two springs, one ends of the two springs are fixedly connected to the side wall of the mounting groove, and the other ends of the two springs are respectively and fixedly connected to two sides of the sliding block.

Preferably, the clamping device comprises an L-shaped connecting rod, one end of the L-shaped connecting rod is fixedly connected to one side of the sliding block, a clamping block is fixedly connected to the other end of the L-shaped connecting rod, and a limiting mechanism is arranged on the L-shaped connecting rod.

Preferably, the limiting mechanism is an I-shaped limiting rod, the I-shaped limiting rod penetrates through the L-shaped connecting rod, and the I-shaped limiting rod is matched with the limiting groove.

Preferably, the clamping grooves are distributed in an annular uniform array, and are matched with the clamping blocks.

Preferably, a plurality of magnets are adsorbed on the galvanized white board, and the bottom side of the metal frame is fixedly connected with a barrier strip.

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

1. make it break away from the spacing groove through pulling both sides I shape gag lever post, then stimulate both sides L shape connecting rod again and let the fixture block break away from the draw-in groove, the slider slides on the slide bar simultaneously, make two springs compress respectively and stretch, thereby to removing the limiting displacement to the card axle, make the metal frame overturn 90 degrees after, thereby in the elasticity with the help of the spring lets the fixture block card advance the draw-in groove again, restrict the rotation of card axle once more, thereby can let the metal frame drive galvanized blank and carry out 90 degrees stops, thereby can act as the desk temporarily and place teaching tool, it is nimble more multi-purpose.

2. When pulling L shape connecting rod with the hand and driving the fixture block downstream, block into the spacing groove that corresponds again with the I shape gag lever post for L shape connecting rod can be spacing, when loosening the hand like this, even spring force also can't let L shape connecting rod remove, thereby convenient to use person can adjust the latch device on both sides, can carry out one-man operation, and is more convenient, can daily place pen, blackboard eraser etc. through setting up the blend stop.

Drawings

Fig. 1 is a schematic front structural view of a reversible display board for junior middle school teaching according to the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is the utility model provides a teaching is with the cross-sectional schematic diagram of card axle in the upset show board in junior middle school.

In the figure: 1-supporting leg, 2-balance seat, 3-rotating part, 4-clamping shaft, 5-metal frame, 6-galvanized white board, 7-magnet, 8-barrier strip, 9-mounting groove, 10-sliding rod, 11-spring, 12-sliding block, 13-L-shaped connecting rod, 14-clamping block, 15-clamping groove, 16-I-shaped limiting rod and 17-limiting groove.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a teaching is with show board that can overturn in junior middle school, including two supporting legs 1, the equal fixedly connected with balance seat 2 in 1 bottom side of two supporting legs, two supporting legs 1 all rotate through rotating 3 and are connected with card axle 4, fixedly connected with metal frame 5 on the card axle 4, be equipped with galvanized blank 6 in the metal frame 5, it has a plurality of magnetite 7 to adsorb on the galvanized blank 6, 5 bottom side fixedly connected with blend stops 8 of metal frame, can daily place the pen through setting up blend stop 8, the board is wiped, and magnetite 7 is for pressing from both sides tight paper show file, wait to have seted up a plurality of draw-in grooves 15 on the card axle 4.

Mounting groove 9 has still all been seted up to two supporting legs 1, fixedly connected with slide bar 10 on the 9 lateral walls of mounting groove, sliding connection has slider 12 on the slide bar 10, be equipped with latch device on slider 12, latch device includes L shape connecting rod 13, L shape connecting rod 13 one end fixed connection is in one side of slider 12, the other end fixedly connected with fixture block 14 of L shape connecting rod 13, be equipped with stop gear on the L shape connecting rod 13, a plurality of draw-in grooves 15 are annular even array distribution, a plurality of draw-in grooves 15 all set up with fixture block 14 phase-match, advance in draw-in groove 15 through fixture block 14 card, restriction card axle 4's rotation.

The limiting mechanism is an I-shaped limiting rod 16, the I-shaped limiting rod 16 penetrates through the L-shaped connecting rod 13, the I-shaped limiting rod 16 is matched with the limiting groove 17, after the I-shaped limiting rod is clamped into the corresponding limiting groove 17, the L-shaped connecting rod 13 can be limited, even if the L-shaped connecting rod 13 cannot move due to the elasticity of the spring 11, a user can adjust the two-side clamping device, the clamping device can be operated by one person, the sliding rod 10 is further sleeved with an elastic mechanism, the elastic mechanism comprises two springs 11, one ends of the two springs 11 are fixedly connected to the side wall of the mounting groove 9, the other ends of the two springs 11 are respectively and fixedly connected to two sides of the sliding block 12, when the L-shaped connecting rod 13 drives the clamping block 14 to be separated from the clamping groove 15, the sliding block 12 slides on the sliding rod 10, the two springs 11 are respectively compressed and stretched, and the clamping block 14 can, a plurality of limiting grooves 17 are symmetrically arranged on the metal frame 5.

In the utility model, when a user uses the device, the I-shaped limiting rods 16 at two sides are pulled to be separated from the limiting grooves 17, then the L-shaped connecting rods 13 at two sides are pulled to make the clamping block 14 be separated from the clamping groove 15, meanwhile, the sliding block 12 slides on the sliding rod 10, so that the two springs 11 are respectively compressed and stretched, thereby the limiting effect on the clamping shaft 4 is removed, after the metal frame 5 is overturned for 90 degrees, the clamping block 14 is clamped into the clamping groove 15 again by the elasticity of the springs 11, the rotation of the clamping shaft 4 is limited again, so that the metal frame 5 can drive the galvanized white board 6 to stop for 90 degrees, thereby the device can be temporarily used as a desk for placing teaching tools, and is more flexible and multipurpose, when the L-shaped connecting rods 13 are pulled by hands to drive the clamping block 14 to move downwards, the I-shaped limiting rods 16 are clamped into the corresponding limiting grooves 17 again, so that the L-shaped, when loosening the hand like this, even spring 11 elasticity also can't let L shape connecting rod 13 remove to the latch device on both sides can be adjusted to the person of facilitating the use, can carry out one-man operation, and is more convenient, can daily place pen, blackboard eraser etc. through setting up blend stop 8.

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. A reversible display board for junior middle school teaching comprises two supporting legs (1), and is characterized in that the bottom sides of the two supporting legs (1) are fixedly connected with a balance seat (2), the two supporting legs (1) are rotatably connected with a clamping shaft (4) through a rotating part (3), a metal frame (5) is fixedly connected on the clamping shaft (4), a galvanized white board (6) is arranged in the metal frame (5), a plurality of clamping grooves (15) are arranged on the clamping shaft (4), mounting grooves (9) are also arranged on the two supporting legs (1), a slide bar (10) is fixedly connected to the side wall of the mounting groove (9), a slide block (12) is connected to the slide bar (10) in a sliding manner, a clamping device is arranged on the sliding block (12), an elastic mechanism is sleeved on the sliding rod (10), a plurality of limiting grooves (17) are symmetrically formed in the metal frame (5).

2. The reversible display board for junior middle school teaching of claim 1, wherein said elastic means comprises two springs (11), one end of each of said two springs (11) is fixedly connected to the side wall of the mounting groove (9), and the other end of each of said two springs (11) is fixedly connected to the two sides of the sliding block (12).

3. The reversible display board for junior middle school teaching of claim 1, wherein the clamping device comprises an L-shaped connecting rod (13), one end of the L-shaped connecting rod (13) is fixedly connected to one side of the sliding block (12), the other end of the L-shaped connecting rod (13) is fixedly connected with a clamping block (14), and the L-shaped connecting rod (13) is provided with a limiting mechanism.

4. The reversible display board for junior middle school teaching of claim 3, wherein the limiting mechanism is an I-shaped limiting rod (16), the I-shaped limiting rod (16) is disposed through the L-shaped connecting rod (13), and the I-shaped limiting rod (16) is disposed in match with the limiting groove (17).

5. The reversible display board for junior middle school teaching of claim 3, wherein a plurality of said slots (15) are distributed in a circular uniform array, and a plurality of said slots (15) are all matched with said clips (14).

6. The reversible display board for junior middle school teaching of claim 1, wherein a plurality of magnets (7) are adsorbed on the galvanized white board (6), and the bottom side of the metal frame (5) is fixedly connected with a barrier strip (8).