CN214001129U - Multifunctional blackboard for classroom - Google Patents

Abstract

The utility model discloses a multi-functional blackboard in classroom, including support frame and dead slot, the bottom of support frame is fixed with the gyro wheel, the dead slot is seted up in the top of support frame, and the outside of support frame is fixed with the hydraulic stem, the top at the support frame is installed to the blackboard, the second spout has been seted up at both ends about the blackboard. This multi-functional blackboard in classroom, be provided with first spout, the fly leaf, connecting rod and pulley, it can drive the fly leaf and slide in the outside of blackboard to slide in first spout through the pulley on the connecting rod, the more blackboard area of the teaching material of writing when the mr is not enough when using, follow-up teaching material can be written on the fly leaf, the cooperation fly leaf slides in the blackboard outside and can divide the teaching material content when increasing the teaching material and write the area scope, solved because write on the blackboard the teaching material too much must clean some teaching material and just can carry out follow-up writing, lead to the student to fail to understand the problem that the teaching material just was cleaned completely easily, make things convenient for the student to understand.

Description

Multifunctional blackboard for classroom

Technical Field

The utility model relates to a teaching equipment technical field specifically is a multi-functional blackboard in classroom.

Background

The blackboard is a black plane board that can write repeatedly with the chalk, the face is hard, blackboard newspaper regards fixed or moving blackboard as the carrier, use chalk or advertising pigment to write the popularization propaganda position of the drawing instrument, have easy to scrub, revise, advantage changed, it is the most economic, most convenient, most common propaganda form, apply to school of middle and primary schools, army, specialized colleges and universities and enterprises and institutions extensively, through the massive search, find that the typical such as disclosure number of the existing multi-functional blackboard is CN107804091A, a multi-functional blackboard for teaching, including bottom plate, fulcrum bar, wheel, riser, slide rail, slide block, etc.; the bottom plate bottom left and right sides symmetry formula install branch, and the wheel is installed to the branch bottom, and the riser is installed on bottom plate top right side, and riser left surface mid-mounting has the slide rail, and the slide rail is vertical setting. Through erasing the device in the above-mentioned scheme, need not the mr and erase the word on the blackboard, labour saving and time saving has reached and has adjusted the blackboard, and makes the more convenient teaching of the mr of height difference, can also clear away the effect to the chalk dust that the in-process of writing appeared.

To sum up, current multi-functional blackboard structure is complicated, and manufacturing cost is high, uses inconveniently, and current multi-functional blackboard writes the area scope and is limited, can only carry out follow-up writing through wiping a part of teaching material when the teaching material that mr wrote on the blackboard is more, leads to easily that the student can not be abundant understand that mr writes behind the teaching material just to be wiped, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional blackboard in classroom to the current multi-functional blackboard structure that provides in solving above-mentioned background art is complicated, uses inconveniently, and the area scope of writing of blackboard is limited, the poor problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional blackboard in classroom, includes support frame and dead slot, the bottom of support frame is fixed with the gyro wheel, and the internally mounted of support frame has the drawer, the dead slot is seted up in the top of support frame, and the outside of support frame is fixed with the hydraulic stem, and the hydraulic stem is connected with the blackboard simultaneously, the blackboard is installed in the top of support frame, and the upper and lower both ends of blackboard have all seted up first spout, and the fly leaf is installed in the outside of blackboard simultaneously, the upper and lower both ends of fly leaf all are fixed with the connecting rod, and rotate on the connecting rod and be connected with the pulley, and the pulley is connected with first spout simultaneously, the second spout has all been seted up at both ends about the blackboard, and installs the slider on the second spout, is fixed with the elastic webbing on the slider simultaneously.

Be connected for the block between support frame and the blackboard, the drawer is provided with two sets ofly, and its symmetry sets up, first spout, connecting rod and pulley all are provided with two sets ofly, and be sliding connection between first spout and the pulley, conveniently drive the fly leaf and slide in the blackboard outside, increase teaching material and write the area, make things convenient for the student to understand, second spout and slider all are provided with two sets ofly, and its symmetry sets up, the length of elastic webbing is the same with the length of blackboard, and the tensile use of elastic webbing can make the more standard drawing of mr write straight line and slash, improves the pleasing to the eye and the degree of discerning of teaching material, makes things convenient for the student to understand and understand

Compared with the prior art, the beneficial effects of the utility model are that: the multifunctional blackboard for the classroom is provided with a blackboard body,

(1) the blackboard is provided with a first sliding groove, a movable plate, a connecting rod and a pulley, the movable plate can be driven to slide outside the blackboard by sliding the pulley on the connecting rod in the first sliding groove, when more teaching materials written by a teacher are not enough in the area of the blackboard, subsequent teaching materials can be written on the movable plate, the teaching material content can be divided while the writing area range of the teaching materials is increased by matching with the sliding of the movable plate outside the blackboard, the problem that the teaching materials cannot be completely understood and cleaned by students due to the fact that too many teaching materials written on the blackboard need to be wiped off part of the teaching materials is solved, and the understanding of the students is facilitated;

(2) be provided with the drawer, the hydraulic stem, the second spout, slider and elastic webbing, the second slider through both ends about the blackboard the drawing of sliding fit elastic webbing uses and can make the teacher's more standard drawing write straight line and slash in the spout, improve pleasing to the eye and the degree of distinguishing of teaching material, make things convenient for the student to understand, and the time spent can slide to the top or the below of blackboard, do not influence and normally write on the blackboard, teaching material etc. can be placed to the drawer on the support frame, make things convenient for teacher's teaching to use, cooperation liquid pressure pole upwards extends simultaneously and drives the blackboard and rises, prevent because the higher visual angle that influences the student and see blackboard below teaching material content of podium, blackboard simple structure is practical, reduce in production cost when improving current blackboard functionality, be worth wideling popularize.

Drawings

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

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

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

In the figure: 1. the blackboard comprises a support frame, 2, rollers, 3, a drawer, 4, a hollow groove, 5, a hydraulic rod, 6, a blackboard, 7, a first sliding groove, 8, a movable plate, 9, a connecting rod, 10, a pulley, 11, a second sliding groove, 12, a sliding block, 13 and an elastic belt.

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.

A multi-functional blackboard in classroom, including the bottom of support frame 1 is fixed with gyro wheel 2, and the internally mounted of support frame 1 has drawer 3, empty groove 4 is seted up in the top of support frame 1, and the outside of support frame 1 is fixed with hydraulic stem 5, and hydraulic stem 5 is connected with blackboard 6 simultaneously, blackboard 6 is installed in the top of support frame 1, and blackboard 6's upper and lower both ends have all seted up first spout 7, and fly leaf 8 is installed in blackboard 6's the outside simultaneously, fly leaf 8's upper and lower both ends all are fixed with connecting rod 9, and rotate on the connecting rod 9 and be connected with pulley 10, and pulley 10 is connected with first spout 7 simultaneously, second spout 11 has all been seted up at both ends about blackboard 6, and installs slider 12 on the second spout 11, is fixed with elastic band 13 on the slider 12 simultaneously.

Specifically, be connected for the block between support frame 1 and the blackboard 6, drive blackboard 6 through the hydraulic stem 5 in the 1 outside of support frame and promote the height and can prevent because the podium is too high to lead to the inconvenient problem of seeing blackboard 6 below clearly of student, conveniently promote the height and make the student see blackboard 6 clearly.

Specifically, drawer 3 is provided with two sets ofly, and its symmetry sets up, makes things convenient for the mr to place teaching aid and teaching material etc. and the inconvenient that brings that makes a round trip to take when reducing to use teaching aid and teaching material makes things convenient for the mr to use.

Specifically, first spout 7, connecting rod 9 and pulley 10 all are provided with two sets ofly, and be sliding connection between first spout 7 and the pulley 10, through connecting rod 9 and pulley 10 on the fly leaf on 8 on the first spout 7 of first spout on blackboard 6 slip can drive fly leaf 8 and slide in the outside of blackboard 6, improve the area scope that the teacher wrote the teaching material on blackboard 6, divide the content of teaching material simultaneously, make things convenient for the student to understand.

Specifically, second spout 11 and slider 12 all are provided with two sets ofly, and its symmetry sets up, can drive elastic webbing 13 through slider 12 slides on spout 11 and remove and tensile, facilitate the use.

Specifically, the length of elastic webbing 13 is the same with blackboard 6's length, and the extension through elastic webbing 13 can make mr draw when writing straight line or slash on blackboard 6 more standard draw write, improves the pleasing to the eye and the degree of discernment of educational material, makes things convenient for the student to understand.

The working principle is as follows: when the multifunctional blackboard for the classroom is used, the roller 2 at the bottom of the support frame 1 can be conveniently moved in transportation, teaching materials and tools can be placed in the drawer 3 on the support frame 1 when the multifunctional blackboard is used in the classroom, inconvenience caused by taking back and forth is reduced, when a teacher writes on the blackboard 6 with chalk, chalk dust falls into the empty groove 4 on the support frame 1 and is convenient to clean, when the teacher writes below the blackboard 6, the teaching material content below the blackboard 6 cannot be seen by students below due to overhigh platform, at this time, the hydraulic rod 5 on the outer side of the support frame 1 is opened, the hydraulic rod 5 expands outwards to raise the height and drives the blackboard 6 to raise the height upwards, so that the students below the platform can see the teaching material content below the blackboard 6, when the left side of the blackboard 6 is full of teaching materials, the movable plate 8 on the outer side of the sliding plate 6 enables the connecting rods 9 at the upper end and the lower end of the movable plate 8 to be matched with the pulley 10 to slide on the first sliding groove 7 on the blackboard 6, make fly leaf 8 remove to the left side of blackboard 6, make things convenient for the mr to write on the right side of blackboard 6, write the teaching material too much when the mr, have to clean a part of teaching material and carry out when follow-up writing, the mr can write on fly leaf 8 in the blackboard 6 outside, divide the teaching material content of writing when increasing the area scope of writing, make things convenient for the student to understand, when needs are drawn and is write, slide block 12 in the second spout 11 in both ends about blackboard 6, make it drive elastic webbing 13 and remove on the surface of blackboard 6, the drawing force of cooperation elastic webbing 13 can make the mr more standard when drawing and writing straight line or slash, improve the clean and tidy and the degree of discerning of drawing and writing the teaching material, make things convenient for the student to understand, this is accomplished whole operation, the term "center", "vertically", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "the surface of drawing and the line", improve and the degree of drawing and the understanding of drawing and the teaching material, and the degree of drawing is improved, and the degree of drawing and is improved, and is suitable for students, the teaching material, The terms "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, and are not intended to be construed as limiting the invention in any way.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a multi-functional blackboard in classroom, includes support frame (1) and dead slot (4), its characterized in that: the bottom of support frame (1) is fixed with gyro wheel (2), and the internally mounted of support frame (1) has drawer (3), the top at support frame (1) is seted up in dead slot (4), and the outside of support frame (1) is fixed with hydraulic stem (5), and hydraulic stem (5) are connected with blackboard (6) simultaneously, blackboard (6) are installed in the top of support frame (1), and first spout (7) have all been seted up at the upper and lower both ends of blackboard (6), and fly leaf (8) are installed in the outside of blackboard (6) simultaneously, the upper and lower both ends of fly leaf (8) all are fixed with connecting rod (9), and rotate on connecting rod (9) and are connected with pulley (10), and pulley (10) are connected with first spout (7) simultaneously, second spout (11) have all been seted up at the left and right sides both ends of blackboard (6), and install slider (12) on second spout (11), meanwhile, an elastic belt (13) is fixed on the sliding block (12).

2. The multifunctional blackboard for classroom according to claim 1, characterized in that: the support frame (1) is connected with the blackboard (6) in a clamping manner.

3. The multifunctional blackboard for classroom according to claim 1, characterized in that: the drawers (3) are arranged in two groups and are symmetrically arranged.

4. The multifunctional blackboard for classroom according to claim 1, characterized in that: first spout (7), connecting rod (9) and pulley (10) all are provided with two sets ofly, and be sliding connection between first spout (7) and pulley (10).

5. The multifunctional blackboard for classroom according to claim 1, characterized in that: the second sliding groove (11) and the sliding block (12) are both provided with two groups and are symmetrically arranged.

6. The multifunctional blackboard for classroom according to claim 1, characterized in that: the length of the elastic belt (13) is the same as that of the blackboard (6).

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