CN210680198U

CN210680198U - Multi-face blackboard for teaching

Info

Publication number: CN210680198U
Application number: CN201921544425.3U
Authority: CN
Inventors: 仇良丽; 王梅; 刘桂美
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-05
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a multi-surface blackboard for teaching, which belongs to the blackboard field and comprises an outer frame, wherein the front side of the inner part of the outer frame is in sliding contact with a first inner frame, the rear side of the inner part of the outer frame is in sliding contact with a second inner frame, the left side and the right side of the first inner frame are respectively fixedly connected with a first slide block, the left side and the right side of the second inner frame are respectively fixedly connected with a second slide block, the right sides of the first slide block and the second slide block are respectively provided with a clamping groove, the front end and the rear end of the right side of the outer frame are respectively provided with a through hole, the inner part of the through hole is slidably connected with a slide bar, the first inner frame and the second inner frame are respectively and conveniently moved up and down, notes are conveniently recorded on the surfaces of the first plate body and the second plate body, students can conveniently watch in time, the course progress of teachers is not delayed, the first, the first plate body and the second plate body are prevented from sliding.

Description

Multi-face blackboard for teaching

Technical Field

The utility model relates to a blackboard field, more specifically say, relate to a multiaspect blackboard for teaching.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige.

At present, most of the existing teaching blackboards are fixed, when the lower ends of the blackboards are full of notes, students need to spend time to note the notes, teachers can not erase the notes in time, and therefore the teaching efficiency of class becomes low, and the notes at the lowest ends of the blackboards enable the students sitting at the back row to not observe the notes in time.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a multiaspect blackboard is used in teaching, through first slider, the second slider respectively with spout sliding connection, conveniently reciprocate first inside casing and second inside casing, conveniently take notes on the surface of first plate body and second plate body, make things convenient for the student in time to watch, do not hinder mr's course progress simultaneously, through the draw-in groove with the be connected of slide bar, conveniently fix first inside casing and second inside casing respectively, avoid first plate body and second plate body to slide.

In order to solve the above problems, the utility model adopts the following technical proposal.

A multi-face blackboard for teaching comprises an outer frame, wherein a first inner frame is in sliding contact with the front side of the inside of the outer frame, a second inner frame is in sliding contact with the rear side of the inside of the outer frame, first sliders are fixedly connected to the left side and the right side of the first inner frame respectively, second sliders are fixedly connected to the left side and the right side of the second inner frame respectively, clamping grooves are formed in the right sides of the first sliders and the second sliders respectively, through holes are formed in the front end and the rear end of the right side of the outer frame respectively, sliding rods are connected to the inside of the through holes in a sliding mode, springs are sleeved on the sliding rods in a sliding mode, protruding blocks are fixedly connected to the sliding rods, the sliding rods are in sliding clamping with the clamping grooves, pull blocks are fixedly connected to the right side of the sliding rods and are in sliding connection with the sliding grooves respectively through the first sliders and the second sliders, the first, make things convenient for the student in time to watch, do not hinder mr's course progress simultaneously, through being connected of draw-in groove and slide bar, conveniently fix first inside casing and second inside casing respectively, avoid first plate body and second plate body to slide.

Furthermore, the first plate body of inside fixedly connected with of first inner frame, the inside fixedly connected with second plate body of second inner frame, first inner frame plays the fixed effect of enhancement respectively to first plate body and second inner frame to the second plate body.

Furthermore, the left side and the right side of the outer frame are respectively provided with a sliding groove, the first sliding block and the second sliding block are respectively in sliding connection with the sliding grooves, and the first inner frame and the second inner frame are respectively driven to slide up and down through the sliding connection of the first sliding block and the second sliding block with the sliding grooves.

Furthermore, the inside right-hand member fixedly connected with anticreep piece of through-hole, slide bar and anticreep piece sliding connection avoid the slide bar to break away from the inside of through-hole through the setting of anticreep piece.

Furthermore, the one end fixed connection of spring is in a side surface of lug, the other end fixed connection of spring is in a side surface of anticreep piece, and the elastic action through the spring makes the slide bar automatic re-setting, makes things convenient for slide bar and draw-in groove joint.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through first slider, second slider respectively with spout sliding connection, conveniently reciprocates first inside casing and second inside casing, conveniently takes notes on the surface of first plate body and second plate body, makes things convenient for the student in time to watch, does not hinder mr's course progress simultaneously, through being connected of draw-in groove and slide bar, conveniently fixes first inside casing and second inside casing respectively, avoids first plate body and second plate body to slide.

(2) The first plate body of inside fixedly connected with of first inner frame, the inside fixedly connected with second plate body of second inner frame, first inner frame plays the fixed effect of enhancement respectively to first plate body and second inner frame to the second plate body.

(3) The left and right sides of frame is equipped with the spout respectively, and first slider and second slider respectively with spout sliding connection, through first slider and second slider respectively with spout sliding connection, drive first inside casing and second inside casing slip from top to bottom respectively.

(4) The inside right-hand member fixedly connected with anticreep piece of through-hole, slide bar and anticreep piece sliding connection avoid the slide bar to break away from the inside of through-hole through the setting of anticreep piece.

(5) One end fixed connection of spring is in a side surface of lug, and the other end fixed connection of spring is in a side surface of anticreep piece, and the elastic action through the spring makes the slide bar automatic re-setting, makes things convenient for slide bar and draw-in groove joint.

Drawings

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

FIG. 2 is a top sectional view of the overall structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

the anti-dropping device comprises an outer frame 1, a first inner frame 2, a second inner frame 3, a first plate body 4, a second plate body 5, a first sliding block 6, a second sliding block 7, a sliding groove 8, a clamping groove 9, a through hole 10, an anti-dropping block 11, a sliding rod 12, a spring 13, a convex block 14 and a pulling block 15.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, a multi-face blackboard for teaching, includes an outer frame 1, a first inner frame 2 slidably contacting with the front side of the inner part of the outer frame 1, a second inner frame 3 slidably contacting with the rear side of the inner part of the outer frame 1, a first slider 6 fixedly connected to the left and right sides of the first inner frame 2, a second slider 7 fixedly connected to the left and right sides of the second inner frame 3, a slot 9 respectively disposed on the right side of the first slider 6 and the second slider 7, a through hole 10 respectively disposed on the front and rear ends of the right side of the outer frame 1, a slide rod 12 slidably connected to the inside of the through hole 10, a spring 13 slidably sleeved on the slide rod 12, a projection 14 fixedly connected to the slide rod 12, the slide rod 12 slidably engaged with the slot 9, a pull block 15 fixedly connected to the right side of the slide rod 12, and slidably connected to the slot 8 through the first slider 6 and the second slider 7, the note is taken notes to the convenience on the surface of first plate body 4 and second plate body 5, makes things convenient for the student in time to watch, does not hinder mr's course progress simultaneously, through the connection of draw-in groove 9 and slide bar 12, conveniently fixes first inside casing 2 and second inside casing 3 respectively, avoids first plate body 4 and second plate body 5 to slide.

Referring to fig. 1-2, a first plate 4 is fixedly connected to the inside of the first inner frame 2, a second plate 5 is fixedly connected to the inside of the second inner frame 3, the first inner frame 2 and the second inner frame 3 respectively reinforce and fix the first plate 4 and the second plate 5, sliding grooves 8 are respectively formed in the left side and the right side of the outer frame 1, the first slider 6 and the second slider 7 are respectively slidably connected with the sliding grooves 8, and the first inner frame 2 and the second inner frame 3 are respectively driven to slide up and down through the sliding connections of the first slider 6 and the second slider 7 and the sliding grooves 8.

Referring to fig. 1 and 3, an anti-disengaging block 11 is fixedly connected to the right end inside the through hole 10, the sliding rod 12 is slidably connected to the anti-disengaging block 11, the anti-disengaging block 11 is arranged to prevent the sliding rod 12 from disengaging from the inside of the through hole 10, one end of the spring 13 is fixedly connected to one side surface of the protruding block 14, the other end of the spring 13 is fixedly connected to one side surface of the anti-disengaging block 11, the sliding rod 12 is automatically reset through the elastic action of the spring 13, and the sliding rod 12 is conveniently clamped with the clamping groove 9.

When the first plate body 4 needs to slide upwards, the sliding rod 12 at the front end of the right side of the outer frame 1 moves rightwards, the sliding rod 12 moves rightwards, the lug 14 moves rightwards, the spring 13 is extruded and contracted under stress, then the first inner frame 2 moves upwards, the first plate body 4 is driven by the first inner frame 2 to move upwards, then the sliding rod 12 is loosened, the spring 13 is stretched and reset, the sliding rod 12 is pushed to reset to be clamped with the clamping groove 9 in the first sliding block 6, at the moment, the first inner frame 2 is fixed at the upper end of the outer frame 1, then the sliding rod 12 at the upper end of the right side of the outer frame 1 is separated from the clamping groove 9 in the second sliding block 7, then the second inner frame 3 moves downwards, the first sliding block 6 is in sliding connection with the sliding groove 8, the second sliding block 7 is in sliding connection with the sliding groove 8 through the first sliding block 6 and the second sliding block 7, and the first inner, the note is taken notes to the convenience on the surface of first plate body 4 and second plate body 5, makes things convenient for the student in time to watch, does not hinder mr's course progress simultaneously, through the connection of draw-in groove 9 and slide bar 12, conveniently fixes first inside casing 2 and second inside casing 3 respectively, avoids first plate body 4 and second plate body 5 to slide.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a multiaspect blackboard is used in teaching, includes frame (1), its characterized in that: a first inner frame (2) is in sliding contact with the front side inside the outer frame (1), a second inner frame (3) is in sliding contact with the rear side inside the outer frame (1), the left side and the right side of the first inner frame (2) are respectively and fixedly connected with a first sliding block (6), the left side and the right side of the second inner frame (3) are respectively and fixedly connected with a second sliding block (7), the right sides of the first sliding block (6) and the second sliding block (7) are respectively provided with a clamping groove (9), through holes (10) are respectively arranged at the front end and the rear end of the right side of the outer frame (1), a sliding rod (12) is connected inside the through holes (10) in a sliding manner, the sliding rod (12) is sleeved with a spring (13) in a sliding manner, the sliding rod (12) is fixedly connected with a convex block (14), the slide bar (12) is in sliding clamping connection with the clamping groove (9), and a pull block (15) is fixedly connected to the right side of the slide bar (12).

2. A multi-face blackboard for teaching as claimed in claim 1, in which: the inner frame is characterized in that a first plate body (4) is fixedly connected to the inside of the first inner frame (2), and a second plate body (5) is fixedly connected to the inside of the second inner frame (3).

3. A multi-face blackboard for teaching as claimed in claim 1, in which: the left side and the right side of the outer frame (1) are respectively provided with a sliding groove (8), and the first sliding block (6) and the second sliding block (7) are respectively in sliding connection with the sliding grooves (8).

4. A multi-face blackboard for teaching as claimed in claim 1, in which: the anti-falling device is characterized in that an anti-falling block (11) is fixedly connected to the right end of the inside of the through hole (10), and the sliding rod (12) is connected with the anti-falling block (11) in a sliding mode.

5. A multi-face blackboard for teaching as claimed in claim 1, in which: one end of the spring (13) is fixedly connected to one side surface of the bump (14), and the other end of the spring (13) is fixedly connected to one side surface of the anti-falling block (11).