CN214775045U

CN214775045U - Demonstration board for philosophy entry teaching

Info

Publication number: CN214775045U
Application number: CN202121347917.0U
Authority: CN
Inventors: 姚骋中
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-19
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to the technical field of teaching tools, and discloses a demonstration board for philosophy entry teaching; the demonstration board for the philosophy entry teaching comprises a writing board, an erasing mechanism and a lifting mechanism, wherein the erasing mechanism is positioned on the front side surface of the writing board, and the lifting mechanism is positioned at the bottom of the writing board; the erasing mechanism comprises first hinged rods which are symmetrically arranged, the opposite side ends of the two first hinged rods are respectively and rotatably connected with second hinged rods, and the bottoms of the two second hinged rods are respectively and rotatably connected with an erasing plate; elevating system includes the base, the utility model discloses can once only erase to the blackboard writing content, effectively improve the efficiency of philosophy vocabulary entry teaching, and the blackboard writing after erasing falls the ash and gets into flourishing ash drawer through filtering the otter board, can fall the ash to the blackboard writing and effectively collect, also made things convenient for the clearance to the blackboard writing ash that falls, can be according to the teaching needs, the height of adjustment clipboard has brought the facility for the teaching, and the practicality is stronger.

Description

Demonstration board for philosophy entry teaching

Technical Field

The utility model belongs to the technical field of the teaching tool, specifically be a philosophy vocabulary entry teaching is with demonstration board.

Background

Philosophy is the subject of studying common and fundamental problems, including the fields of existence, knowledge, value, wisdom, soul, language, etc. It differs from other disciplines in that philosophy has a unique way of thinking, for example: a criticizing mode, a systematic method and the like and is based on theoretical argument. In everyday parlance, it can be extended to the most basic beliefs, concepts or attitudes of an individual or group.

When philosophy teaching is carried out, a large number of entries need to be interpreted by blackboard writing, so that the content of blackboard writing is more, when the content of blackboard writing needs to be erased, more time is consumed, the teaching efficiency is reduced, the falling ash of blackboard writing cannot be effectively collected, inconvenience is brought to later cleaning, the existing demonstration board is generally fixed in height, the height cannot be adjusted as required, and inconvenience is brought to teaching; therefore, improvements are now needed in view of the current situation.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a philosophy vocabulary demonstration board for teaching, effectual solution when to philosophy, there is a large amount of vocabulary to need the blackboard writing explanation, this has just led to blackboard writing content more, when needs are erased to the blackboard writing content, the time that consumes is also more, the efficiency of teaching has been reduced, and blackboard writing ash fall can't effectively be collected, inconvenience has been brought for the later stage clearance, current demonstration board generally is highly fixed, can't adjust the height as required, inconvenient problem has been brought for the teaching.

In order to achieve the above object, the utility model provides a following technical scheme: a demonstration board for philosophy entry teaching comprises a writing board, an erasing mechanism and a lifting mechanism, wherein the erasing mechanism is positioned on the front side surface of the writing board, and the lifting mechanism is positioned at the bottom of the writing board;

the erasing mechanism comprises first hinged rods which are symmetrically arranged, the opposite side ends of the two first hinged rods are respectively and rotatably connected with second hinged rods, and the bottoms of the two second hinged rods are respectively and rotatably connected with an erasing plate;

the lifting mechanism comprises a base, a bidirectional screw is arranged at the top of the base, sliders symmetrically arranged are in threaded connection with the outer wall of the bidirectional screw, moving rods symmetrically arranged front and back are rotatably connected to the tops of the two sliders, and the tops of the two moving rods are rotatably connected with the writing board.

Preferably, two first hinge bars are respectively connected through the pivot rotation side wall about the clipboard inner chamber, wipe the board with clipboard surface opposite side is provided with and wipes the sponge.

Preferably, the base is in a U-shaped arrangement, the bidirectional screw penetrates through the base and is rotatably connected with the base, and a handle is arranged on the right side of the bidirectional screw.

Preferably, the surface of the base is provided with a limiting sliding groove, and the two sliding blocks are connected to the inner cavity of the limiting sliding groove in a sliding mode.

Preferably, the bottom of the writing board is fixedly connected with symmetrically arranged mounting blocks, and the two groups of moving rods are respectively and rotatably connected with the corresponding mounting blocks.

Preferably, the bottom of the inner cavity of the writing board is provided with a filter screen plate, the bottom of the surface of the writing board is connected with an ash containing drawer in a sliding mode, and the top of the ash containing drawer is communicated with the filter screen plate.

Compared with the prior art, the beneficial effects of the utility model are that: 1. after writing on the writing board is finished and when the writing needs to be carried out again, the erasing plate is pulled down, the erasing sponge at the erasing plate is used for erasing the writing on the writing board, after the erasing is finished, the erasing plate is pulled up to enable the first hinge rod and the second hinge rod to be folded at the top end of the writing board, the contents of the writing on the writing board can be erased at one time, the efficiency of philosophy entry teaching is effectively improved, the ash falling from the erased writing on the writing board enters the ash containing drawer through the filter screen plate, the ash falling from the writing on the writing board can be effectively collected, and the ash falling from the writing on the writing board can be conveniently cleaned;

2. the rotation handle drives two-way screw rod and rotates, and two-way screw rod drives two sliders and carries out relative or back of the body removal mutually to make the contained angle between two sets of carriage release levers reduce or increase, when the contained angle reduces, improve the height of clipboard, when the contained angle increases, then reduce, can adjust the height of clipboard according to the teaching needs, brought the facility for the teaching, the practicality is stronger.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

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

FIG. 3 is a schematic side view of the present invention;

in the figure: 100. a writing board; 101. a dust containing drawer; 102. a filter screen plate; 200. an erasing mechanism; 201. a first hinge lever; 202. a second hinge lever; 203. erasing the plate; 300. a lifting mechanism; 301. a base; 302. a bidirectional screw; 303. a slider; 304. a travel bar; 305. a limiting chute; 306. a handle; 307. and (7) installing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Referring to fig. 1, a demonstration board for philosophy entry teaching includes a writing board 100, an erasing mechanism 200, and a lifting mechanism 300.

Referring to fig. 1, the erasing mechanism 200 is disposed on the front surface of the writing board 100, and the lifting mechanism 300 is disposed at the bottom of the writing board 100.

Referring to fig. 1-2, the erasing mechanism 200 includes first hinged rods 201 symmetrically arranged, opposite side ends of the two first hinged rods 201 are rotatably connected with second hinged rods 202, and bottoms of the two second hinged rods 202 are rotatably connected with erasing plates 203; the two first hinged rods 201 are respectively and rotatably connected to the left side wall and the right side wall of the inner cavity of the writing board 100 through rotating shafts, and erasing sponges are arranged on the opposite sides of the erasing board 203 and the surface of the writing board 100; a filter screen plate 102 is arranged at the bottom of the inner cavity of the writing board 100, an ash containing drawer 101 is connected to the bottom of the surface of the writing board 100 in a sliding manner, and the top of the ash containing drawer 101 is communicated with the filter screen plate 102;

after writing to the clipboard 100, when needing to write on the blackboard again, the board 203 is erased in the drop-down, first articulated rod 201 and second articulated rod 202 descend along with it, the sponge of erasing board 203 department erases the blackboard writing, after finishing erasing, the board 203 is erased in the pull-up makes first articulated rod 201 and second articulated rod 202 fold in the top of clipboard 100 can, can once only erase the blackboard writing content, the efficiency of philosophy vocabulary entry teaching has effectively been improved, and the blackboard writing after erasing falls the ash and gets into flourishing ash drawer 101 through filtering the otter board 102, can effectively collect the book ash that falls.

Referring to fig. 1-3, the lifting mechanism 300 includes a base 301, a bidirectional screw 302 is disposed on the top of the base 301, the outer wall of the bidirectional screw 302 is connected with symmetrically disposed sliders 303 through threads, the tops of the two sliders 303 are respectively connected with moving rods 304 symmetrically disposed in front and back, and the tops of the two moving rods 304 are respectively connected with the writing board 100; the base 301 is U-shaped, the bidirectional screw 302 penetrates through the base 301 and is rotatably connected with the base 301, and the handle 306 is arranged on the right side of the bidirectional screw 302; the surface of the base 301 is provided with a limiting sliding groove 305, and the two sliding blocks 303 are both connected to the inner cavity of the limiting sliding groove 305 in a sliding manner; the bottom of the writing board 100 is fixedly connected with symmetrically arranged mounting blocks 307, and the two groups of moving rods 304 are respectively and rotatably connected with the corresponding mounting blocks 307;

the handle 306 is rotated to drive the bidirectional screw 302 to rotate, the bidirectional screw 302 drives the two sliding blocks 303 to move oppositely or back to back, so that the included angle between the two groups of moving rods 304 is reduced or increased, when the included angle is reduced, the height of the writing board 100 is improved, and when the included angle is increased, the included angle is reduced.

The working principle is as follows: when the blackboard writing tool is used, after writing on the writing board 100 is finished and the blackboard writing needs to be carried out again, the erasing plate 203 is pulled down, the first hinged rod 201 and the second hinged rod 202 descend along with the first hinged rod 201 and the second hinged rod 202, the erasing sponge at the position of the erasing plate 203 erases the blackboard writing, after the erasing is finished, the erasing plate 203 is pulled up to enable the first hinged rod 201 and the second hinged rod 202 to be folded at the top end of the writing board 100, the contents of the blackboard writing can be erased at one time, the efficiency of philosophy entry teaching is effectively improved, the erased blackboard writing ash enters the ash containing drawer 101 through the filter screen plate 102, the blackboard writing ash can be effectively collected, the cleaning of the blackboard writing ash is also facilitated, when needed, the handle 306 can be rotated to drive the bidirectional screw 302 to rotate, the bidirectional screw 302 drives the two sliding blocks 303 to move oppositely or oppositely, so that the included angle between the two groups of moving rods 304 is reduced or increased, when the included angle is reduced, improve the height of clipboard 100, when the contained angle increases, then reduce, can adjust the height of clipboard 100 according to the teaching needs, for the teaching has brought the facility, the practicality is stronger.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a philosophy vocabulary entry teaching is with demonstration board, includes clipboard (100), erases mechanism (200) and elevating system (300), its characterized in that: the erasing mechanism (200) is positioned on the front side surface of the writing board (100), and the lifting mechanism (300) is positioned at the bottom of the writing board (100);

the erasing mechanism (200) comprises first hinged rods (201) which are symmetrically arranged, the opposite side ends of the two first hinged rods (201) are respectively and rotatably connected with second hinged rods (202), and the bottoms of the two second hinged rods (202) are respectively and rotatably connected with erasing plates (203);

elevating system (300) includes base (301), base (301) top is provided with two-way screw rod (302), two-way screw rod (302) outer wall threaded connection has slider (303) that the symmetry set up, and two slider (303) tops all rotate and are connected with carriage release lever (304) that the front and back symmetry set up, two sets of carriage release lever (304) tops all with clipboard (100) rotate and connect.

2. The demonstration board for philosophy entry teaching according to claim 1, wherein: two first articulated rods (201) are respectively connected through the pivot rotation on the lateral wall about clipboard (100) inner chamber, erase board (203) with clipboard (100) surface opposite side is provided with and erases the sponge.

3. The demonstration board for philosophy entry teaching according to claim 1, wherein: the base (301) is arranged in a U shape, the bidirectional screw (302) penetrates through the base (301) and is connected with the base (301) in a rotating mode, and the handle (306) is arranged on the right side of the bidirectional screw (302).

4. The demonstration board for philosophy entry teaching according to any one of claims 1 or 3, wherein: spacing spout (305) have been seted up on base (301) surface, and equal sliding connection of two sliders (303) is in the inner chamber of spacing spout (305).

5. The demonstration board for philosophy entry teaching according to claim 1, wherein: the bottom of the writing board (100) is fixedly connected with symmetrically arranged mounting blocks (307), and the two groups of moving rods (304) are respectively and rotatably connected with the corresponding mounting blocks (307).

6. The demonstration board for philosophy entry teaching according to claim 1, wherein: the bottom of the inner cavity of the writing board (100) is provided with a filter screen plate (102), the bottom of the surface of the writing board (100) is connected with an ash containing drawer (101) in a sliding mode, and the top of the ash containing drawer (101) is communicated with the filter screen plate (102).