CN211354601U

CN211354601U - Portable folding teaching board that education and teaching was used

Info

Publication number: CN211354601U
Application number: CN201921641934.8U
Authority: CN
Inventors: 陈祎雨; 李倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-28
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to an education and teaching technical field just discloses a portable folding teaching board of education and teaching usefulness, including show board and supporting component, the supporting component is including fixed block, axostylus axostyle and supporting leg, the quantity of fixed block is two and fixed connection at the both ends of axostylus axostyle, the show board slides and cup joints the middle part at the axostylus axostyle, the supporting leg rotates with the both ends of axostylus axostyle to be connected, the positive symmetry of show board is provided with the positioning mechanism that quantity is four, positioning mechanism and axostylus axostyle joint. The utility model discloses a supporting component's design realizes opening and convenient outrigger of two supporting legs, utilizes the closure of two supporting legs simultaneously, realizes the folding of this teaching board, reduces whole volume and area, is convenient for deposit and carry, utilizes the joint of axostylus axostyle in positioning mechanism and the spout, and location between convenient show board and the axostylus axostyle realizes two grades of regulations of show board height, simple structure facilitates the use.

Description

Portable folding teaching board that education and teaching was used

Technical Field

The utility model relates to an education and teaching technical field specifically is a portable folding teaching board of education and teaching usefulness.

Background

The teaching board is a common teaching aid, be used for writing the face of content in the classroom usually, play the effect of explanation demonstration, the predecessor of teaching board is the blackboard, traditional blackboard is simply scribble black coating on hard object surfaces such as smooth plank or cement board, treat that black paint is dry and use the chalk to write, the low in cost of blackboard, corrosion resistance is poor, long-term use back surface can become unsmooth, difficult repair after the damage, along with the rise of new material, traditional teaching is gradually eliminated with the blackboard and is changed, at present, mostly be the panel that uses water-based pen to write, main material has the alloy, the teaching board that preparation such as enamel and PET polymer formed.

Most are conventional structure for present teaching board, can't fold, and is bulky, inconvenient depositing, in order to solve above-mentioned problem, the utility model discloses a foldable teaching board that the authorization bulletin number is CN204759762U, including supporting the chassis, it is equipped with four wheels to support the chassis lower extreme, it is connected with first V type frame, second V type frame lower extreme to support the chassis upper end, first V type frame, second V type frame middle part are equipped with the regulation pole that the level was arranged, first V type frame, second V type frame upper end are connected with first writing board, be connected between first writing board upper end and the second writing board, be equipped with the check lock that is connected with the second writing board on second writing board one side. The utility model discloses during the use, it shortens and makes first V type frame to adjust pole length, contained angle between the second V type frame reduces gradually, make the high rising of first clipboard, then turn up the second clipboard and fix through the check lock pole, when not using, can fold and place, reduce occuping of space, the clipboard is assisted to the practicality, the clipboard is assisted to the second, can effectual increase write the area like this, improve teaching efficiency, combine its description and figure can know, above-mentioned teaching board structure is complicated, adjusting step is loaded down with trivial details, it is comparatively inconvenient to use, and area is more after the folding of above-mentioned device, it is not convenient enough to deposit, for this, we provide a portable folding teaching board of education and teaching usefulness.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that prior art exists, an aspect of the utility model aims at providing a portable folding teaching board of education and teaching usefulness.

In order to realize the above-mentioned purpose, the utility model provides a pair of portable folding teaching board of education and teaching usefulness, including show board and supporting component, the supporting component is including fixed block, axostylus axostyle and supporting leg, the quantity of fixed block is two and fixed connection at the both ends of axostylus axostyle, the show board slides and cup joints the middle part at the axostylus axostyle, the supporting leg rotates with the both ends of axostylus axostyle to be connected, the positive symmetry of show board is provided with the positioning mechanism that quantity is four, positioning mechanism and axostylus.

Preferably, the top and the bottom of the front surface of the display board are respectively and fixedly connected with a metal elastic sheet and a supporting plate, the side surface of the display board is provided with a sliding groove matched with the shaft rod, and the shaft rod penetrates through the sliding groove and is in sliding connection with the shaft rod.

Preferably, positioning mechanism is including the positive box body of fixed connection at the show board, the locating lever has been cup jointed in the inside activity of box body, the one end of locating lever runs through and extends to the front and the fixedly connected with handle of box body, the other end of locating lever runs through and extends to the inside of spout, and locating lever and axostylus axostyle joint, the middle part of locating lever is close to one side fixed cup joint of show board and is located the inside stationary blade of box body, the opposite side activity at locating lever middle part has cup jointed the spring that is located the box body inside, the both ends of spring respectively with the inner wall fixed connection of stationary blade and box body.

Preferably, the both sides of axostylus axostyle all are seted up and are located the inside card hole of spout, the locating lever is located the inside one end of spout and passes card hole and mutual inseparable joint.

Preferably, the supporting legs are U-shaped and two in number, two top ends of the supporting legs are fixedly connected with lantern rings, a center hole of the lantern rings is rotatably connected with two ends of the shaft rod, and rubber pads are symmetrically and fixedly sleeved at the middle parts of the bottom ends of the supporting legs.

Preferably, the axostylus axostyle comprises square pole and two circular poles, and two circular poles are fixed connection respectively at the both ends of square pole, and the surface of square pole and the inner wall of spout are mat surface and mutual sliding connection, and the surface of circular pole is mat surface and rotation connection each other with the inner wall of lantern ring centre bore.

Compared with the prior art, the utility model provides a portable folding teaching board of education and teaching usefulness has following beneficial effect:

the utility model discloses a supporting component's design realizes opening of two supporting legs, and convenient stable support, the closure of two supporting legs simultaneously realizes the folding of this teaching board, reduces whole volume and area, is convenient for deposit and carry, utilizes the axostylus axostyle in positioning mechanism and the spout to carry out the joint, and location between convenient show board and the axostylus axostyle realizes two grades of regulations of show board height, simple structure, and it is convenient to adjust, convenient to use.

Drawings

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

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic cross-sectional view of the positioning mechanism of fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the shaft rod of the present invention.

In the figure: 1. a display board; 2. a fixed block; 3. a shaft lever; 4. supporting legs; 5. a positioning mechanism; 51. a box body; 52. positioning a rod; 53. a handle; 54. a fixing sheet; 55. a spring; 6. a metal spring sheet; 7. a support plate; 8. a rubber pad; 9. a chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Please refer to fig. 1-4, a portable folding teaching board for education and teaching, comprising a display board 1 and a support component, wherein the support component comprises two fixing blocks 2, an axle rod 3 and support legs 4, the number of the fixing blocks 2 is two, the two fixing blocks are fixedly connected to the two ends of the axle rod 3, the display board 1 is slidably sleeved at the middle part of the axle rod 3, the support legs 4 are rotatably connected with the two ends of the axle rod 3, four positioning mechanisms 5 are symmetrically arranged on the front surface of the display board 1, and the positioning mechanisms 5 are connected with the axle rod 3 in a clamping manner.

Positive top and bottom difference fixedly connected with metal shrapnel 6 and layer board 7 of show board 1, show board 1's side offer with the spout 9 of axostylus axostyle 3 looks adaptation, axostylus axostyle 3 passes spout 9 and mutual sliding connection, metal shrapnel 6 is conventional has elastic sheetmetal, play the clamping action to the paper, make things convenient for the classroom teaching, form one between layer board 7 and the show board 1 and hold in the palm the groove, be used for placing appliances such as blackboard eraser and water-based pen, facilitate the use, spout 9 is the inside hollow rectangle cavity of show board 1, make things convenient for axostylus axostyle 3 to remove in spout 9 inside, thereby conveniently adjust show board 1's height.

The positioning mechanism 5 comprises a box body 51 fixedly connected to the front surface of the display board 1, a positioning rod 52 is movably sleeved in the box body 51, one end of the positioning rod 52 penetrates and extends to the front surface of the box body 51 and is fixedly connected with a handle 53, the other end of the positioning rod 52 penetrates and extends to the inside of the sliding chute 9 (two sides of the box body 51 are respectively provided with a movable hole matched with the positioning rod 52, two ends of the positioning rod 52 respectively penetrate through the two movable holes and are mutually connected in a sliding manner), the positioning rod 52 is clamped with the shaft lever 3, a fixing piece 54 positioned in the box body 51 is fixedly sleeved at one side of the middle part of the positioning rod 52 close to the display board 1, a spring 55 positioned in the box body 51 is movably sleeved at the other side of the middle part of the positioning rod 52, two ends of the spring 55 are respectively fixedly connected with the fixing piece 54 and the inner wall of the box body 51, locating lever 52 drives stationary blade 54 and outwards extrudees spring 55, utilize spring 55 to take place the produced reverse acting force of elastic deformation, realize locating lever 52 at the inside elasticity pull of spout 9, be convenient for the joint between locating lever 52 and axostylus axostyle 3, realize positioning mechanism 5 to the positioning action of show board 1, the teaching stability of show board 1 has been improved, can realize two shelves of show board 1 height simultaneously and adjust, the in-service use of being convenient for, moreover, the steam generator is simple in structure, and convenient for operation, convenient for popularize and use

The inside card hole that is located spout 9 is all seted up to axostylus axostyle 3's both sides, and locating lever 52 is located the inside one end of spout 9 and passes card hole and mutual inseparable joint, through the joint of card hole and locating lever 52, can improve the compactness of being connected between positioning mechanism 5 and the axostylus axostyle 3 to improve the installation stability between show board 1 and the axostylus axostyle 3.

The supporting legs 4 are U-shaped (when in use, two supporting legs 4 are required to be separated in different directions to play a role of cross support), two top ends of the supporting legs 4 are fixedly connected with lantern rings, central holes of the lantern rings are rotationally connected with two ends of the shaft lever 3, the middle part of the bottom end of the supporting legs 4 is fixedly sleeved with rubber pads 8 which are symmetrically arranged, through the design of the rubber pads 8, the friction force between the supporting legs 4 and the ground is improved, so that the supporting stability is improved, the shaft lever 3 is composed of a square rod and two circular rods, the two circular rods are respectively and fixedly connected with two ends of the square rod, the outer surface of the square rod and the inner wall of the sliding groove 9 are both rough surfaces and are in sliding connection with each other, the outer surface of the circular rods and the inner wall of the central holes of the lantern rings are both rough surfaces and are rotationally connected with each other, through the design, the stability of adjusting is improved, through the design of circular rod for the lantern ring on supporting leg 4 top can rotate smoothly, through the design of rough surface, has improved the frictional force between axostylus axostyle and the lantern ring, show board 1, thereby improves the stability of supporting and adjusting, convenient to use.

Those not described in detail in this specification are within the skill of the art.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides a portable folding teaching board of education and teaching usefulness, includes show board (1) and supporting component, its characterized in that: the supporting assembly comprises a fixing block (2), an axle rod (3) and supporting legs (4), the quantity of the fixing block (2) is two, the fixing block is fixedly connected to the two ends of the axle rod (3), the display board (1) is slidably sleeved at the middle of the axle rod (3), the supporting legs (4) are rotatably connected to the two ends of the axle rod (3), the positioning mechanisms (5) with the quantity of four are symmetrically arranged on the front side of the display board (1), and the positioning mechanisms (5) are connected with the axle rod (3) in a clamped mode.

2. A portable folding teaching board for educational teaching according to claim 1, wherein: the display board is characterized in that the top and the bottom of the front face of the display board (1) are fixedly connected with a metal elastic sheet (6) and a supporting plate (7) respectively, a sliding groove (9) matched with the shaft lever (3) is formed in the side face of the display board (1), and the shaft lever (3) penetrates through the sliding groove (9) and is in sliding connection with the shaft lever.

3. A portable folding teaching board for educational teaching according to claim 1, wherein: positioning mechanism (5) including positive box body (51) of fixed connection at show board (1), locating lever (52) have been cup jointed in the inside activity of box body (51), the one end of locating lever (52) runs through and extends to the front and fixedly connected with handle (53) of box body (51), the other end of locating lever (52) runs through and extends to the inside of spout (9), and locating lever (52) and axostylus axostyle (3) joint, one side that the middle part of locating lever (52) is close to show board (1) is fixed to be cup jointed and is located box body (51) inside stationary blade (54), the opposite side activity at locating lever (52) middle part is cup jointed and is located the inside spring (55) of box body (51), the both ends of spring (55) respectively with the inner wall fixed connection of stationary blade (54) and box body (51).

4. A portable folding teaching board for educational teaching according to claim 3, wherein: the inside card hole that is located spout (9) is all seted up to the both sides of axostylus axostyle (3), the one end that locating lever (52) are located spout (9) inside passes the card hole and inseparable joint each other.

5. A portable folding teaching board for educational teaching according to claim 1, wherein: the supporting legs (4) are U-shaped supporting legs and the number of the supporting legs is two, two top ends of the supporting legs (4) are fixedly connected with lantern rings, a center hole of the lantern rings is rotatably connected with two ends of the shaft rod (3), and rubber pads (8) are symmetrically and fixedly sleeved at the middle parts of the bottom ends of the supporting legs (4).

6. A portable folding teaching board for educational teaching according to claim 1, wherein: axostylus axostyle (3) comprises square pole and two circular poles, and two circular poles are fixed connection respectively at the both ends of square pole, and the surface of square pole is mat surface and mutual sliding connection with the inner wall of spout (9), and the surface of circular pole is mat surface and rotation connection each other with the inner wall of lantern ring centre bore.