CN212796381U

CN212796381U - Fine arts teaching is with demonstration drawing board with folding function of accomodating

Info

Publication number: CN212796381U
Application number: CN202021357153.9U
Authority: CN
Inventors: 代敬志
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-26
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a fine arts teaching is with demonstration drawing board with folding function of accomodating, including first plate body, second plate body and hinge, the right side of first plate body is provided with the second plate body, and is provided with the hinge between first plate body and the second plate body to first plate body passes through hinge and second plate body interconnect, all seted up flutedly on first plate body and the second plate body, and the inboard of recess is provided with the pin, reset spring is located the inboard of spacing groove, and branch passes through reset spring and pin interconnect, the lower extreme of pin is located the inboard of jack, and the back at first plate body is seted up to the jack. This fine arts teaching is with demonstration drawing board with folding function of accomodating can fold to first plate body and second plate body and accomodate, conveniently carry out the outrigger to the first plate body and the second plate body that expand simultaneously to prevent that the first plate body and the second plate body pressurized of expanding from reverse folding, improved the stability that supports drawing paper indirectly.

Description

Fine arts teaching is with demonstration drawing board with folding function of accomodating

Technical Field

The utility model relates to a fine arts teaching technical field specifically is a fine arts teaching is with demonstration drawing board with folding function of accomodating.

Background

Art generally refers to drawing art, and in art teaching process, for the convenience of teaching students to make picture composition or color, etc., it supports drawing paper to need to use demonstration drawing board usually to make things convenient for the teacher to carry out drawing teaching.

Present demonstration drawing board generally does not possess folding function for fixed whole, so be unfavorable for accomodating, and inconvenient simultaneously carries, occupies too much space of placing, is unfavorable for using. Aiming at the problems, the novel demonstration drawing board is innovatively designed on the basis of the original demonstration drawing board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fine arts teaching is with demonstration drawing board with folding function of accomodating to solve the current demonstration drawing board that proposes in the above-mentioned background art and generally do not possess folding function for fixed whole, so be unfavorable for accomodating, inconvenient carrying simultaneously occupies too much place the space, is unfavorable for the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: a demonstration drawing board with folding and containing functions for art teaching comprises a first board body, a second board body and a hinge, a second plate body is arranged on the right side of the first plate body, a hinge is arranged between the first plate body and the second plate body, the first plate body is connected with the second plate body through a hinge, grooves are respectively arranged on the first plate body and the second plate body, and the inner side of the groove is provided with a stop lever, the right end of the stop lever is provided with an installation shaft, the stop lever is mutually connected with the second plate body through the installation shaft, the stop lever is provided with an inserted link, and the surface of the inserted link is provided with a support rod which is positioned at the inner side of the limit groove, and the outer side of the support rod is provided with a return spring which is positioned at the inner side of the limit groove, and the support rod is connected with the stop lever through a return spring, the lower end of the insertion rod is positioned at the inner side of the insertion hole, and the insertion hole is arranged at the back of the first plate body.

Preferably, a hinge is arranged between the first plate body and the second plate body to form a rotating structure, and the grooves on the first plate body and the second plate body correspond to each other.

Preferably, the number of pin is provided with 2, and 2 pin all constitute revolution mechanic through installation axle and second plate body.

Preferably, the inserted link is through connection with the stop lever, and the inserted link is connected with the first plate body through the insertion hole in a clamping manner.

Preferably, the supporting rods are symmetrically distributed about the longitudinal central line of the inserted rod, and the supporting rods and the limiting grooves form a sliding structure.

Preferably, a telescopic structure is formed between the return spring and the support rod, and the return spring is symmetrically distributed on the outer side of the inserted rod.

Compared with the prior art, the beneficial effects of the utility model are that: the art teaching demonstration drawing board with the folding and containing functions,

1. the first plate body and the second plate body can be folded and stored, and the unfolded first plate body and the unfolded second plate body can be stably supported conveniently, so that the unfolded first plate body and the unfolded second plate body are prevented from being reversely folded under pressure, and the stability of supporting the drawing paper is indirectly improved;

2. can rotate through the installation axle by manual stirring pin, rotatory pin drives the synchronous revolution that the inserted bar goes on, aims at the jack until the inserted bar to make things convenient for between inserted bar and the jack to cooperate and lock the position of pin.

Drawings

FIG. 1 is a schematic view of the overall back structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the stop lever of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is a schematic view of the overlooking connection structure of the first plate and the second plate of the present invention.

In the figure: 1. a first plate body; 2. a second plate body; 3. a hinge; 4. a groove; 5. a stop lever; 6. installing a shaft; 7. inserting a rod; 8. a strut; 9. a limiting groove; 10. a return spring; 11. and (4) inserting the jack.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a demonstration drawing board with a folding and accommodating function for art teaching comprises a first board body 1, a second board body 2 and a hinge 3, wherein the second board body 2 is arranged on the right side of the first board body 1, the hinge 3 is arranged between the first board body 1 and the second board body 2, the first board body 1 is connected with the second board body 2 through the hinge 3, a rotating structure is formed between the first board body 1 and the second board body 2 through the hinge 3, and grooves 4 in the first board body 1 and the second board body 2 correspond to each other, so that the first board body 1 and the second board body 2 can be conveniently rotated and folded through the hinge 3;

grooves 4 are formed in the first plate body 1 and the second plate body 2, stop levers 5 are arranged on the inner sides of the

grooves

4, 2 stop levers 5 are arranged, the 2 stop levers 5 form a rotating structure with the second plate body 2 through mounting shafts 6, the stop levers 5 can rotate on the back of the second plate body 2 through the mounting shafts 6 to change the direction conveniently, the mounting shafts 6 are arranged at the right ends of the stop levers 5, the stop levers 5 are connected with the second plate body 2 through the mounting shafts 6, inserting rods 7 are mounted on the stop levers 5, supporting rods 8 are mounted on the surfaces of the inserting rods 7, the inserting rods 7 are in penetrating connection with the stop levers 5, the inserting rods 7 are connected with the first plate body 1 in a clamping mode through inserting holes 11, and the inserting rods 7 are matched with the inserting holes 11 to lock the positions of the stop levers 5 conveniently;

branch 8 is located the inboard of spacing groove 9, and the outside of branch 8 is provided with reset spring 10, branch 8 is about the vertical central line symmetric distribution of inserted bar 7, and branch 8 and spacing groove 9 constitute sliding structure, make things convenient for inserted bar 7 to carry out displacement sliding motion through branch 8 and spacing groove 9, reset spring 10 is located the inboard of spacing groove 9, and branch 8 passes through reset spring 10 and pin 5 interconnect, constitute extending structure between reset spring 10 and the branch 8, and reset spring 10 is in the outside symmetric distribution of inserted bar 7, be favorable to reset spring 10 to promote branch 8 and carry out sliding motion in the inboard of spacing groove 9, the lower extreme of inserted bar 7 is located the inboard of jack 11, and jack 11 sets up in the back of first plate body 1.

The working principle is as follows: according to the drawings of fig. 1 and 4, the first plate body 1 and the second plate body 2 are firstly rotated and unfolded through the hinge 3, at the same time, the extending part at the left end of the second plate body 2 is clamped into the groove at the right end of the first plate body 1, so that the smoothness between the first plate body 1 and the second plate body 2 can be maintained, drawing is convenient, then, according to the drawings of fig. 1, 2 and 3, the inserting rod 7 is manually pulled upwards, so that the inserting rod 7 slides upwards through the supporting rod 8 and the limiting groove 9, then, the blocking rod 5 at the inner side of the groove 4 is manually pulled to rotate, the blocking rod 5 rotates on the second plate body 2 through the mounting shaft 6 under the manual pulling action, when the blocking rod 5 rotates, the blocking rod 5 drives the inserting rod 7 to perform synchronous displacement movement until the inserting rod 7 aligns with the inserting hole 11 on the first plate body 1, at the pulling inserting rod 7 is loosened, so that the reset spring 10 can push the supporting rod 8 downwards to perform sliding movement at the inner side of the limiting groove 9, branch 8 then drives inserted bar 7 and moves downwards, until the lower extreme of inserted bar 7 insert the jack 11 on the first plate body 1 in, just accomplished the locking to the position of accomplishing rotatory pin 5 this moment, and pin 5 has also accomplished the spacing support to the first plate body 1 and the second plate body 2 that expand, and such fine arts teaching with folding function of accomodating makes things convenient for people's use with the demonstration drawing board.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 fine arts teaching is with demonstration drawing board with folding function of accomodating, includes first plate body (1), second plate body (2) and hinge (3), its characterized in that: the right side of the first plate body (1) is provided with a second plate body (2), a hinge (3) is arranged between the first plate body (1) and the second plate body (2), the first plate body (1) is connected with the second plate body (2) through the hinge (3), the first plate body (1) and the second plate body (2) are both provided with a groove (4), the inner side of the groove (4) is provided with a stop lever (5), the right end of the stop lever (5) is provided with an installation shaft (6), the stop lever (5) is connected with the second plate body (2) through the installation shaft (6), the stop lever (5) is provided with an insertion rod (7), the surface of the insertion rod (7) is provided with a support rod (8), the support rod (8) is positioned at the inner side of the limit groove (9), the outer side of the support rod (8) is provided with a reset spring (10), and the reset spring (10) is positioned at the inner side of the limit groove (9), and branch (8) are through reset spring (10) and pin (5) interconnect, the lower extreme of inserted bar (7) is located the inboard of jack (11), and jack (11) are seted up in the back of first plate body (1).

2. The art teaching of claim 1 is with demonstration drawing board with folding function of accomodating, its characterized in that: a rotating structure is formed between the first plate body (1) and the second plate body (2) through hinges (3), and grooves (4) in the first plate body (1) and the second plate body (2) correspond to each other.

3. The art teaching of claim 1 is with demonstration drawing board with folding function of accomodating, its characterized in that: the number of pin (5) is provided with 2, and 2 pin (5) all constitute revolution mechanic through installation axle (6) and second plate body (2).

4. The art teaching of claim 1 is with demonstration drawing board with folding function of accomodating, its characterized in that: the inserting rod (7) is in penetrating connection with the stop lever (5), and the inserting rod (7) is connected with the first plate body (1) in a clamping mode through the inserting hole (11).

5. The art teaching of claim 1 is with demonstration drawing board with folding function of accomodating, its characterized in that: the support rods (8) are symmetrically distributed about the longitudinal central line of the inserted rod (7), and the support rods (8) and the limiting groove (9) form a sliding structure.

6. The art teaching of claim 1 is with demonstration drawing board with folding function of accomodating, its characterized in that: a telescopic structure is formed between the reset spring (10) and the support rod (8), and the reset spring (10) is symmetrically distributed on the outer side of the inserted rod (7).