CN214475781U

CN214475781U - Teaching board structure for Chinese education

Info

Publication number: CN214475781U
Application number: CN202120716171.XU
Authority: CN
Inventors: 张莉; 沈月; 张雯
Original assignee: Lanzhou Modern Vocational College
Current assignee: Lanzhou Modern Vocational College
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-10-22
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a teaching board structure for Chinese education, which comprises a display board, a tray is fixedly arranged under the display board, square rods are arranged on the lower surfaces of two sides of the display board, four clamping grooves are annularly arranged on the lower surfaces of the two square rods, a movable cavity is vertically arranged in the lower ends of the two square rods, supporting legs are arranged under the two square rods, the upper surface centers of the two supporting legs are integrally formed with inserting rods, the two inserting rods are matched with the movable cavity to slide up and down, when the teaching board structure is used, when meeting some narrow spaces, the supporting legs are pressed downwards, at the moment, under the action of gravity, a clamping block is separated from the inside of the lateral clamping groove, the supporting legs are rotated ninety degrees, and the parallel setting is carried out between the supporting legs and the display board, under the clamping between the front clamping grooves and the clamping blocks, the supporting legs and the square rods are fixed, and the deflection during the movement is prevented, simultaneously through the coplanar setting between show board and the landing leg, be convenient for remove the quick adjustment of landing leg.

Description

Teaching board structure for Chinese education

Technical Field

The utility model relates to a teaching board field especially relates to a teaching board structure for chinese education.

Background

The teaching board is a blackboard, the traditional blackboard is a blackboard which is a device used for writing and demonstrating in the education industry by simply coating black paint on the surface of a flat hard object such as a wood board or a cement board and the like and writing by using chalk after the black paint is dried, and the teaching board is a board which is usually placed in a classroom or a meeting room and used for writing contents by using chalk or a water-based pen so as to play a role in explaining and demonstrating.

Present teaching board kind is more, has the green board of plane, the blackboard, the green board of arc, movable and fixed, current movable's teaching board structure, and the landing leg of bottom passes through screw rod fixed connection, and at the in-process that removes, when the space that removes is comparatively narrow and small, at this moment, the landing leg broad of lower extreme is not convenient for remove in narrower and small space, need demolish the landing leg and the teaching board of bottom, and the operation is comparatively complicated, the removal of the teaching board of not being convenient for.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a teaching board structure for chinese education, the regulation of the teaching board of being convenient for is removed.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a chinese education is with teaching board structure, includes the show board, fixed mounting has the tray under the show board, show board both sides lower surface all is provided with the square bar, two four draw-in grooves, two have been seted up to the square bar lower surface annular the inside vertical movable chamber of having seted up of square bar lower extreme, two all be provided with the landing leg under the square bar, two landing leg upper surface center integrated into one piece has the inserted bar, two the inserted bar all slides from top to bottom with movable chamber adaptation, two the integrated into one piece has the limiting plate directly over the inserted bar, the limiting plate is cylinder type structure, and slides from top to bottom with movable chamber adaptation, two landing leg lower surface both ends all are provided with the universal wheel, two the landing leg is close to draw-in groove one side symmetry integrated into one piece and has the fixture block, fixture block and draw-in groove adaptation block.

As an optimized technical scheme of the utility model, the tray is close to the vertical recess of seting up in show board one side.

As a preferred technical scheme of the utility model, the tray is close to the equal vertical square hole of having seted up in inserted bar one side, and pegs graft with the inserted bar adaptation, two sliding connection about square bar and the show board both sides, the equal threaded connection of tray surface has the screw rod, and the front end all offsets with the square bar.

As an optimal technical scheme of the utility model, two the limiting plate lower surface is provided with the extension spring with movable chamber junction.

As an optimal technical scheme of the utility model, two the screw rod is kept away from square pole one end and is all provided with the driving lever.

As an optimized technical scheme of the utility model, two landing leg length is the third of show board length.

As an optimal technical scheme of the utility model, the show board is close to landing leg one side and all overlaps and is equipped with the arc cover, and has laid the rubber pad in the outside.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the inserted bar that sets up, when using, when meetting some comparatively narrow and small spaces, press the landing leg downwards, this moment under the effect of gravity, the fixture block breaks away from the inside draw-in groove of side direction, rotate ninety degrees with the landing leg afterwards, and make parallel arrangement between landing leg and the show board, under the block between front draw-in groove and the fixture block, fix between landing leg and the square bar, deflect when preventing to remove, through the coplanar setting between show board and the landing leg simultaneously, be convenient for remove with the quick adjustment of landing leg.

2. When needs are accomodate the show board, anticlockwise rotation screw rod accomodate the square bar to the both sides of show board, and then accomodate the square bar, adjust the landing leg simultaneously and after the horizontally position of show board, press the show board downwards for show board lower surface offsets with the upper surface of landing leg, and then reduces holistic height, makes holistic occupation space less, the nimble removal of being convenient for.

Drawings

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

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic view of the storage structure of the present invention;

fig. 4 is a schematic structural view of the support leg of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the square rod of the present invention.

Wherein: 1. a display board; 2. a tray; 3. a groove; 4. a square hole; 5. a screw; 6. a square bar; 7. a movable cavity; 8. a card slot; 9. a support leg; 10. inserting a rod; 11. a limiting plate; 12. a clamping block; 13. a tension spring; 14. a universal wheel.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in figures 1-5, the utility model provides a teaching board structure for Chinese education, which comprises a display board 1, a tray 2 is fixedly arranged under the display board 1, square rods 6 are arranged on the lower surfaces of both sides of the display board 1, four clamping grooves 8 are annularly arranged on the lower surfaces of the two square rods 6, a movable cavity 7 is vertically arranged in the lower end of the two square rods 6, supporting legs 9 are arranged under the two square rods 6, an inserting rod 10 is integrally formed at the center of the upper surface of the two supporting legs 9, the two inserting rods 10 are matched with the movable cavity 7 to slide up and down, a limiting plate 11 is integrally formed above the two inserting rods 10, the limiting plate 11 is in a cylindrical structure, and slide from top to bottom with activity chamber 7 adaptation, two landing leg 9 lower surface both ends all are provided with universal wheel 14, and two landing legs 9 are close to draw-in groove 8 one side symmetry integrated into one piece have fixture block 12, fixture block 12 and draw-in groove 8 adaptation block.

When using, when meetting some comparatively narrow and small spaces, press landing leg 9 downwards, this moment under the effect of gravity, inside breaking away from of lateral draw-in groove 8 of fixture block 12, rotate ninety degrees landing leg 9 afterwards, and make parallel arrangement between landing leg 9 and the show board 1, under the block between front draw-in groove 8 and fixture block 12, fix between landing leg 9 and square bar 6, deflect when preventing to remove, through the coplanar setting between show board 1 and the landing leg 9 simultaneously, be convenient for remove with the quick adjustment of landing leg 9.

In other embodiments, tray 2 is close to the vertical recess 3 of seting up in 1 one side of show board, is convenient for with the placing of chalk box and blackboard eraser, plays the function of storing, prevents simultaneously when the chalk is written, plays the effect of collecting the dust, prevents that the chalk dust from dropping ground and being difficult to the clearance.

In other embodiments, the tray 2 is close to one side of the insertion rod 10 and is vertically provided with the square hole 4, and is inserted into the insertion rod 10 in a matching manner, the two square rods 6 are vertically and slidably connected with two sides of the display board 1, the outer surface of the tray 2 is in threaded connection with the screw rod 5, and the front end of the tray is abutted against the square rods 6.

When needs accomodate show board 1, anticlockwise rotation screw rod 5 accomodate square bar 6 to the both sides of show board 1, and then accomodate square bar 6, adjust landing leg 9 simultaneously and after as to show board 1 horizontally position, press show board 1 downwards for show board 1 lower surface offsets with the upper surface of landing leg 9, and then reduces holistic height, makes holistic occupation space less, the nimble removal of being convenient for.

In other embodiments, the extension springs 13 are arranged at the joints of the lower surfaces of the two limiting plates 11 and the movable cavity 7, so that the insertion rods 10 can be conveniently reset under the action of the extension springs 13, the supporting legs 9 and the square rods 6 are always in an offset state, and the supporting legs 9 are prevented from falling off downwards when the display board 1 is lifted.

In other embodiments, the ends of the two screws 5, which are far away from the square rod 6, are provided with the shift lever, and the shift lever at one end of the screw 5 facilitates the rotation adjustment of the screw 5, thereby saving more labor.

In other embodiments, the two legs 9 are one third of the length of the display board 1, which facilitates the complete storage of the legs 9, so that the legs 9 and the display board 1 are in the same plane.

In other embodiments, show board 1 is close to landing leg 9 one side and all overlaps and is equipped with the arc cover, and has laid the rubber pad in the outside, and the user is touched to the mistake when using to arc cover structure prevents to collide with the show board 1 damage that causes at the in-process of removing through the rubber pad.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a chinese education is with teaching board structure, includes show board (1), its characterized in that: a tray (2) is fixedly installed under the display board (1), square rods (6) are arranged on the lower surfaces of two sides of the display board (1), four clamping grooves (8) are annularly formed in the lower surfaces of the two square rods (6), movable cavities (7) are vertically formed in the lower ends of the two square rods (6), supporting legs (9) are arranged under the two square rods (6), inserting rods (10) are integrally formed in the centers of the upper surfaces of the two supporting legs (9), the two inserting rods (10) are matched with the movable cavities (7) to slide up and down, limiting plates (11) are integrally formed above the two inserting rods (10), the limiting plates (11) are of cylindrical structures and are matched with the movable cavities (7) to slide up and down, universal wheels (14) are arranged at two ends of the lower surfaces of the two supporting legs (9), and clamping blocks (12) are symmetrically and integrally formed near one side of the clamping grooves (8), the clamping block (12) is matched and clamped with the clamping groove (8).

2. A teaching board structure for Chinese education according to claim 1, wherein: one side of the tray (2) close to the display board (1) is vertically provided with a groove (3).

3. A teaching board structure for Chinese education according to claim 1, wherein: tray (2) are close to equal vertical square hole (4) of having seted up in inserted bar (10) one side, and peg graft with inserted bar (10) adaptation, two sliding connection about square bar (6) and show board (1) both sides, the equal threaded connection of tray (2) surface has screw rod (5), and the front end all offsets with square bar (6).

4. A teaching board structure for Chinese education according to claim 1, wherein: and tension springs (13) are arranged at the joints of the lower surfaces of the two limit plates (11) and the movable cavity (7).

5. A teaching board structure for Chinese education as claimed in claim 3, wherein: and one ends of the two screw rods (5) far away from the square rod (6) are provided with deflector rods.

6. A teaching board structure for Chinese education according to claim 1, wherein: the length of the two support legs (9) is one third of the length of the display board (1).

7. A teaching board structure for Chinese education according to claim 1, wherein: the arc-shaped sleeves are sleeved on one side, close to the supporting legs (9), of the display board (1), and rubber pads are paved on the outermost side.