CN215513002U

CN215513002U - Blackboard with function of relieving visual fatigue

Info

Publication number: CN215513002U
Application number: CN202122159046.6U
Authority: CN
Inventors: 陈维良
Original assignee: Wuhan Dayi Stationery Co ltd
Current assignee: Wuhan Dayi Stationery Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-14
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to the technical field of blackboards, and discloses a blackboard capable of relieving visual fatigue, which comprises a blackboard body, wherein a fastener is fixedly connected to the left side of the blackboard body, a containing pipe is fixedly connected to the left side of the fastener, a bottom cover is fixedly connected to the bottom of the containing pipe, a servo motor is fixedly connected to the inner bottom wall of the bottom cover, an output shaft of the servo motor is fixedly connected with a threaded rod, one end of the threaded rod penetrates through and extends to the inside of the containing pipe, a threaded block is connected to the outer side of the threaded rod in a threaded manner, the right side of the threaded block is slidably connected with the containing pipe, a connecting piece, one end of the connecting piece penetrates through and extends to the outside of the containing pipe, a lifting frame is fixedly connected to the left side of the connecting piece, and a fixing plate is fixedly connected to the top of the lifting frame. The blackboard with the function of relieving the visual fatigue integrally achieves the purpose of effectively relieving the visual fatigue and greatly enhances the using effect of the blackboard.

Description

Blackboard with function of relieving visual fatigue

Technical Field

The utility model relates to the technical field of blackboards, in particular to a blackboard capable of relieving visual fatigue.

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 used for the teaching field more, and the blackboard on the existing market has the shortcoming that visual fatigue can't be alleviated, and the blackboard generally speaking makes student's eyes produce serious visual fatigue after student uses for a long time, and traditional blackboard does not have the function of alleviating visual fatigue to make student's eyesight receive serious influence, greatly reduced the result of use of blackboard, so propose one kind have the blackboard of alleviating visual fatigue in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the blackboard capable of relieving the visual fatigue, which has the advantages of effectively relieving the visual fatigue and the like, and solves the problem that the traditional blackboard cannot effectively relieve the visual fatigue.

(II) technical scheme

In order to achieve the aim of effectively relieving the visual fatigue, the utility model provides the following technical scheme: the utility model provides a blackboard with alleviate visual fatigue, includes the blackboard body, the left side fixedly connected with fastener of blackboard body, the left side fixedly connected with of fastener holds the pipe, hold the bottom fixedly connected with end cover of pipe, the interior diapire fixedly connected with servo motor of end cover, servo motor's output shaft fixedly connected with one end runs through and extends to holding the inside threaded rod of pipe, the outside threaded connection of threaded rod has the screw block, the right side of screw block and holding pipe sliding connection, the left side fixedly connected with one end of screw block runs through and extends to the connecting piece that holds the outside of pipe, the left side fixedly connected with crane of connecting piece, the top fixedly connected with fixed plate of crane, the front fixedly connected with of fixed plate is located the green eye guard of blackboard body front side, the right side fixedly connected with side bearer of green eye guard, the back fixedly connected with of side bearer removes the mount, the right side fixedly connected with side slide of blackboard body, the left side fixedly connected with of removing the mount stabilizes the balladeur train, the left side and the side slide sliding connection of stabilizing the balladeur train.

Preferably, the right side of the side sliding seat is provided with a stable sliding groove, and the stable sliding groove is matched with the stable sliding frame.

Preferably, the inner side wall of the thread block is provided with a thread groove, and the thread groove is matched with a thread strip on the outer side of the threaded rod.

Preferably, the right side wall of the inner cavity of the accommodating pipe is provided with a limiting sliding groove, the right side of the thread block is fixedly connected with a limiting sliding block, and the limiting sliding block is matched with the limiting sliding groove.

Preferably, a strip-shaped accommodating hole is formed in the left side of the accommodating pipe, and the strip-shaped accommodating hole is matched with the connecting piece.

Preferably, the outer side of the servo motor is fixedly connected with a stabilizing frame, and the bottom of the stabilizing frame is fixedly connected with the bottom cover.

(III) advantageous effects

Compared with the prior art, the utility model provides a blackboard capable of relieving visual fatigue, which has the following beneficial effects:

this blackboard with alleviate visual fatigue, after the blackboard eye that uses for a long time of students appears the visual fatigue phenomenon, it rotates just reversely through starting servo motor drive threaded rod, the thread groove screw thread contact that the screw thread strip in the threaded rod outside and the screw thread piece inside wall were seted up this moment, position through setting up the limiting slide block and injecing the screw thread piece, drive screw thread piece displacement from top to bottom, thereby drive the connecting piece, crane and green eyeshield displacement from top to bottom, through setting up the stability of stabilizing balladeur train isotructure assistance and strengthening the green eyeshield displacement from top to bottom, student eyes are stared the colour and are green to green eyeshield and follow its up-and-down motion synchronous activity eyeball at last, can let student's visual fatigue obtain effectively alleviating, wholly reached can effectively alleviate visual fatigue's purpose, the result of use of blackboard has been strengthened greatly.

Drawings

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

FIG. 2 is a side view of the connecting structure of the accommodating tube and the bottom cover of the present invention.

In the figure: the blackboard comprises a blackboard body 1, fasteners 2, an accommodating tube 3, a bottom cover 4, a servo motor 5, a threaded rod 6, a threaded block 7, a connecting piece 8, a lifting frame 9, a fixing plate 10, a green eye protection plate 11, a side frame 12, a movable fixing frame 13, a side sliding seat 14 and a stable sliding frame 15.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: a blackboard capable of relieving visual fatigue comprises a blackboard body 1, a fastener 2 is fixedly connected to the left side of the blackboard body 1, a containing tube 3 is fixedly connected to the left side of the fastener 2, a strip-shaped containing hole is formed in the left side of the containing tube 3, the strip-shaped containing hole is matched with a connecting piece 8, a limiting sliding groove is formed in the right side wall of an inner cavity of the containing tube 3, a limiting sliding block is fixedly connected to the right side of a thread block 7, the limiting sliding block is matched with the limiting sliding groove, a bottom cover 4 is fixedly connected to the bottom of the containing tube 3, a servo motor 5 is fixedly connected to the inner bottom wall of the bottom cover 4, after students use the blackboard eyes for a long time to generate the visual fatigue phenomenon, the servo motor 5 is started to drive a threaded rod 6 to rotate forwards and backwards, at the moment, a thread strip on the outer side of the threaded rod 6 is in threaded contact with a thread groove formed in the inner side wall of the thread block 7, the position of the thread block 7 is limited by arranging the limiting sliding block, the upper and lower displacement of the thread block 7 is driven, thereby driving the connecting piece 8, the lifting frame 9 and the green eye protection plate 11 to displace up and down, the stability of the green eye protection plate 11 when displacing up and down is strengthened by the auxiliary arrangement of the stable sliding frame 15 and other structures, finally, students stare at the green eye protection plate 11 with green color and move eyeballs synchronously along with the up and down movement of the green eye protection plate, the visual fatigue of the students can be effectively relieved, the purpose of effectively relieving the visual fatigue is achieved integrally, the use effect of the blackboard is greatly enhanced, the outer side of the servo motor 5 is fixedly connected with the stable frame, the bottom of the stable frame is fixedly connected with the bottom cover 4, one end of the output shaft of the servo motor 5 is fixedly connected with the thread rod 6 with one end penetrating and extending to the inner part of the accommodating tube 3, the outer side of the thread rod 6 is connected with the thread block 7 by threads, the inner side wall of the thread block 7 is provided with a thread groove which is matched with the thread strip outside the thread rod 6, the right side of screw thread piece 7 with hold 3 sliding connection of pipe, the left side fixedly connected with one end of screw thread piece 7 runs through and extends to hold 3 outside connecting piece 8 of pipe, the left side fixedly connected with crane 9 of connecting piece 8, the top fixedly connected with fixed plate 10 of crane 9, the positive fixedly connected with of fixed plate 10 is located the green eyeshield 11 of blackboard body 1 front side, the right side fixedly connected with side bearer 12 of green eyeshield 11, the back fixedly connected with of side bearer 12 removes mount 13, the right side fixedly connected with side slide 14 of blackboard body 1, stable spout has been seted up on the right side of side slide 14, stabilize spout and stable balladeur train 15 looks adaptation, the left side fixedly connected with of removal mount 13 stabilizes balladeur train 15, the left side and the side slide 14 sliding connection of stabilizing balladeur train 15.

To sum up, after the students use the blackboard for a long time to cause the visual fatigue phenomenon, the servo motor 5 is started to drive the threaded rod 6 to rotate forwards and backwards, at the moment, the thread strip on the outer side of the threaded rod 6 is in threaded contact with the thread groove formed in the inner side wall of the thread block 7, the position of the thread block 7 is limited by the limiting slide block, the thread block 7 is driven to move up and down, so that the connecting piece 8, the lifting frame 9 and the green eye protection plate 11 are driven to move up and down, the stability of the green eye protection plate 11 during the up and down movement is enhanced by the arrangement of the stabilizing sliding frame 15 and other structures, finally, the eyes of the students look at the green eye protection plate 11 with the green color and move up and down along with the green eye protection plate to synchronously move the eyeballs, the visual fatigue of the students can be effectively relieved, the aim of effectively relieving the visual fatigue is achieved integrally, and the use effect of the blackboard is greatly enhanced, the problem of traditional blackboard can't effectively alleviate visual fatigue is solved.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a blackboard with alleviate visual fatigue, includes blackboard body (1), its characterized in that: the blackboard comprises a blackboard body (1), a fastener (2) is fixedly connected to the left side of the blackboard body (1), a holding tube (3) is fixedly connected to the left side of the fastener (2), a bottom cover (4) is fixedly connected to the bottom of the holding tube (3), a servo motor (5) is fixedly connected to the inner bottom wall of the bottom cover (4), one end of an output shaft of the servo motor (5) is fixedly connected to a threaded rod (6) penetrating through and extending to the inside of the holding tube (3), a threaded block (7) is connected to the outer side of the threaded rod (6) in a threaded manner, the right side of the threaded block (7) is connected to the holding tube (3) in a sliding manner, one end of the left side of the threaded block (7) is fixedly connected to a connecting piece (8) penetrating through and extending to the outside of the holding tube (3), a lifting frame (9) is fixedly connected to the left side of the connecting piece (8), and a fixing plate (10) is fixedly connected to the top of the lifting frame (9), the front fixedly connected with of fixed plate (10) is located green eyeshield board (11) of blackboard body (1) front side, the right side fixedly connected with side bearer (12) of green eyeshield board (11), the back fixedly connected with of side bearer (12) removes mount (13), the right side fixedly connected with side slide (14) of blackboard body (1), carriage (15) are stabilized to the left side fixedly connected with of removal mount (13), the left side and the side slide (14) sliding connection of stabilizing carriage (15).

2. The blackboard according to claim 1, wherein the blackboard has the function of alleviating visual fatigue, and is characterized in that: and a stable sliding groove is formed in the right side of the side sliding seat (14), and the stable sliding groove is matched with the stable sliding frame (15).

3. The blackboard according to claim 1, wherein the blackboard has the function of alleviating visual fatigue, and is characterized in that: the inner side wall of the thread block (7) is provided with a thread groove, and the thread groove is matched with a thread strip on the outer side of the threaded rod (6).

4. The blackboard according to claim 1, wherein the blackboard has the function of alleviating visual fatigue, and is characterized in that: the right side wall of the inner cavity of the accommodating pipe (3) is provided with a limiting sliding groove, the right side of the thread block (7) is fixedly connected with a limiting sliding block, and the limiting sliding block is matched with the limiting sliding groove.

5. The blackboard according to claim 1, wherein the blackboard has the function of alleviating visual fatigue, and is characterized in that: the left side of the accommodating pipe (3) is provided with a strip-shaped accommodating hole, and the strip-shaped accommodating hole is matched with the connecting piece (8).

6. The blackboard according to claim 1, wherein the blackboard has the function of alleviating visual fatigue, and is characterized in that: the outer side of the servo motor (5) is fixedly connected with a stabilizing frame, and the bottom of the stabilizing frame is fixedly connected with the bottom cover (4).