CN213734336U

CN213734336U - Double-sided blackboard for Chinese teaching

Info

Publication number: CN213734336U
Application number: CN202022620892.9U
Authority: CN
Inventors: 肖国宏; 丁勇娜; 陶俊; 王强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-20
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a two-sided blackboard is used in chinese teaching relates to teaching blackboard technical field. The utility model discloses a framework, it is connected with the clipboard to rotate between two inside lateral walls of framework, the bottom vertical slip of framework runs through there is the slide bar, the top fixed mounting of slide bar has the fixed block of the mutual joint with the clipboard, fixed mounting has spring and spring cup joint at the surface of slide bar between the bottom of fixed block and the bottom of framework inner wall, the bottom demountable installation of framework has the dirt box. The utility model discloses a pulling slide bar extrudees the messenger clipboard and fixed block and breaks away from the pulling force that rotates the clipboard and release this moment to the slide bar each other with the spring, thereby the back of clipboard makes fixed block and the mutual joint of clipboard write to the two-sided of clipboard through the pulling slide bar when rotating in front, carries out the joint to the clipboard through the fixed block and makes the clipboard difficult for rocking position more stable in the use.

Description

Double-sided blackboard for Chinese teaching

Technical Field

The utility model relates to a teaching blackboard equipment technical field, concretely relates to double-sided blackboard is used in chinese teaching.

Background

The blackboard is common teaching aid in the teaching, write on the blackboard with the chalk, do benefit to and clean and make fairly simplely, the two-sided blackboard function singleness of current teaching, the blackboard is because fixed stability inadequately leads to the blackboard to write the difficulty in the use in two-sided alternate use in-process, the chalk adopts unset black and white brush to clean the blackboard after writing on the blackboard usually and leads to the scrubbing brush to lose easily, and does not have the device that collects and empty the dust on the blackboard and lead to a large amount of dusts to fall into subaerially.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving the problem that proposes among the above-mentioned background art, the utility model provides a two-sided blackboard is used in chinese teaching.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a two-sided blackboard is used in chinese teaching, includes the framework, it is connected with the clipboard to rotate between two inside lateral walls of framework, the bottom vertical slip of framework runs through there is the slide bar, the top fixed mounting of slide bar has the fixed block of the mutual joint of clipboard, fixed mounting has spring and spring cup joint at the surface of slide bar between the bottom of fixed block and the bottom of framework inner wall, the bottom demountable installation of framework has the dirt box, sliding connection has the scrubbing brush on the surface of framework.

Further, the frame body is vertically provided with sliding grooves along the outer surfaces of the two ends of the length direction, sliding blocks are connected in the sliding grooves in a sliding mode, and the scrubbing brush is fixedly installed between the two sliding blocks.

Further, the scrubbing brush includes the branch of fixed mounting between two sliders, fixed mounting has the cleaning cotton on the surface that branch is close to the blackboard, fixed mounting has the ejector pad on the surface that branch kept away from the clipboard.

Furthermore, a notch is formed in the bottom of the inner wall of the frame body, the dust box is connected with the notch in a sliding mode, a lead screw penetrates through the frame body along the threads of the two ends of the length direction, and one end, located in the frame body, of the lead screw is connected with the dust box in a threaded mode.

Furthermore, an inclined support plate is fixedly arranged in the dust box.

Further, a strip-shaped hole is formed in the supporting plate along the length direction.

The utility model has the advantages as follows: the utility model discloses a pulling slide bar extrudees messenger's clipboard and fixed block and rotates the clipboard this moment and release the pulling force to the slide bar each other with the spring, thereby the back of clipboard makes fixed block and the mutual joint of clipboard write to the two-sided of clipboard through the pulling slide bar when preceding, thereby carry out the joint to the clipboard through the fixed block and make the clipboard difficult for rocking the position more stable in the use, make the scrubbing brush difficult for losing through scrubbing brush and clipboard sliding connection, dismantle the dust in the dirt box through dismantling the dirt box in the chalk dust box after the clearance and empty the processing.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a front view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B of fig. 1 according to the present invention;

reference numerals: 1. a frame body; 2. a writing board; 3. a slide bar; 4. a fixed block; 5. a spring; 6. a dust box; 7. scrubbing and brushing; 71. a strut; 72. cleaning cotton; 73. a push block; 8. a chute; 9. a slider; 10. a notch; 11. a screw rod; 12. a support plate; 13. and (4) strip-shaped holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 3, a double-sided blackboard for Chinese teaching comprises a frame body 1, wherein the frame body 1 is in a shape of a C with an upward opening or a square, a writing board 2 is rotatably connected between two side walls inside the frame body 1, the writing board 2 is rotatably connected with the two side walls of the frame body 1 through bearings along the center positions of the two ends in the length direction, the writing board 2 is a double-sided writable board and the writing board 2 is not contacted with the frame body 1 in the rotating process, a sliding rod 3 vertically slides through the bottom of the frame body 1, a fixed block 4 clamped with the writing board 2 is fixedly installed at the top of the sliding rod 3, a spring 5 is fixedly installed between the bottom of the fixed block 4 and the bottom of the inner wall of the frame body 1 and is sleeved on the outer surface of the sliding rod 3, the top of the fixed block 4 is provided with an opening and is clamped with the writing board 2 through the opening, the fixed blocks 4 clamped with the writing board 2 are two and are respectively located at the two ends of the bottom of the writing board 2, the ends, far away from the fixed block 4, of the two slide bars 3 are connected with each other, the spring 5 is compressed through manually pulling the joint of the two slide bars 3, the writing board 2 and the fixed block 4 are separated from each other at the moment, when the fixed block 4 is separated from the writing board 2, the writing board 2 is rotated to release the pulling force on the slide bars 3 in the process of rotating the writing board 2, the top of the writing board 2 is moved towards the direction close to the fixed block 4 by rotating the writing board 2, the top of the writing board 2 is positioned at the opening at the top of the fixed block 4 by pulling the slide bars 3, the fixed block 4 is clamped with the top of the writing board 2 by releasing the pulling force on the slide bars 3, so that the two sides of the writing board 2 are written, the writing board 2 is clamped through the fixed block 4, the position of the writing board 2 is more stable in the using process, the dust box 6 is detachably installed at the bottom of the frame 1, and a board brush 7 is slidably connected on the outer surface of the frame 1, use the chalk to write characters and be cleared up on making clipboard 2 through sliding scrubbing brush 7 on the surface of clipboard 2, the chalk dust after the clearance falls into the dirt box 6 of framework 1 bottom, through dismantling the processing of empting the writing dust in the dirt box 6 to dirt box 6.

As shown in fig. 1, frame 1 has vertically seted up spout 8 on the surface at length direction both ends, sliding connection has slider 9 in spout 8, scrubbing brush 7 fixed mounting is between two sliders 9, the cooperation through spout 8 and slider 9 makes scrubbing brush 7 gliding more stable on clipboard 2, scrubbing brush 7 is contradicted each other through self gravity and the top of fixed block 4 when not using, thereby it can not obstruct the rotation of clipboard 2 to stimulate slide bar 3 to make scrubbing brush 7 follow fixed block 4 and remove when rotating clipboard 2 and rotate.

As shown in fig. 4, the scrubbing brush 7 includes a supporting rod 71 fixedly installed between the two sliding blocks 9, a cleaning cotton 72 is fixedly installed on the outer surface of the supporting rod 71 close to the blackboard, a pushing block 73 is fixedly installed on the outer surface of the supporting rod 71 far from the writing board 2, the cleaning of characters written by chalk on the outer surface of the writing board 2 is cleaner by installing the cleaning cotton 72, and the cleaning of the outer surface of the writing board 2 by the scrubbing brush 7 is facilitated by installing the pushing block 73.

As shown in fig. 3, a notch 10 is formed in the bottom of the inner wall of the frame 1, the dust box 6 is slidably connected with the notch 10, screws 11 penetrate through the two ends of the frame 1 along the length direction, one end of each screw 11 located in the frame 1 is in threaded connection with the dust box 6, the dust box 6 is fixed in the notch 10 by rotating the screws 11 when the dust box 6 slides into the notch 10, and the dust box 6 needs to be cleaned from the dust box 6 so that the dust box 6 can be taken down from the notch 10 by rotating the screws 11.

As shown in fig. 3, an inclined supporting plate 12 is fixedly installed in the dust box 6, dust falls onto the supporting plate 12 and slides down into the dust box 6 along the inclined direction of the supporting plate 12, and the supporting plate 12 shields the dust in the dust box 6, so that the dust in the dust box 6 is not easy to float out of the dust box 6.

As shown in fig. 3, a strip-shaped hole 13 is formed in the support plate 12 along the length direction, so that dust can more easily fall into the bottom of the dust box 6 through the support plate 12 by forming the strip-shaped hole 13.

Claims

1. The utility model provides a two-sided blackboard is used in chinese teaching, a serial communication port, includes framework (1), rotate between two inside lateral walls of framework (1) and be connected with clipboard (2), the bottom vertical slip of framework (1) runs through slide bar (3), the top fixed mounting of slide bar (3) has fixed block (4) with clipboard (2) mutual joint, fixed mounting has spring (5) and spring (5) to cup joint the surface at slide bar (3) between the bottom of fixed block (4) and the bottom of framework (1) inner wall, the bottom demountable installation of framework (1) has dirt box (6), sliding connection has scrubbing brush (7) on the surface of framework (1).

2. The double-sided blackboard for Chinese teaching according to claim 1, wherein the frame body (1) is vertically provided with sliding grooves (8) on the outer surfaces of the two ends along the length direction, the sliding grooves (8) are connected with sliding blocks (9) in a sliding manner, and the blackboard eraser (7) is fixedly installed between the two sliding blocks (9).

3. A double-sided blackboard for Chinese teaching according to claim 2, wherein the blackboard eraser (7) includes a support rod (71) fixedly installed between the two sliders (9), the outer surface of the support rod (71) close to the blackboard is fixedly installed with cleaning cotton (72), and the outer surface of the support rod (71) far away from the writing board (2) is fixedly installed with a push block (73).

4. The double-sided blackboard for Chinese teaching according to claim 1, wherein a notch (10) is formed in the bottom of the inner wall of the frame body (1), the dust box (6) is slidably connected with the notch (10), a screw rod (11) penetrates through the two ends of the frame body (1) along the length direction in a threaded manner, and one end of the screw rod (11) located in the frame body (1) is in threaded connection with the dust box (6).

5. A blackboard with two blackboard surfaces for Chinese language teaching according to claim 1, in which the dust box (6) is internally fixed with an inclined support plate (12).

6. A blackboard with two blackboard faces for teaching Chinese language according to claim 5, in which the support plate (12) is provided with a strip-shaped hole (13) along its length.