CN210617673U - Rotary blackboard convenient to store - Google Patents
Rotary blackboard convenient to store Download PDFInfo
- Publication number
- CN210617673U CN210617673U CN201920220448.2U CN201920220448U CN210617673U CN 210617673 U CN210617673 U CN 210617673U CN 201920220448 U CN201920220448 U CN 201920220448U CN 210617673 U CN210617673 U CN 210617673U
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- China
- Prior art keywords
- blackboard
- cover body
- shell
- column
- store
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Abstract
The utility model discloses a rotatory blackboard convenient to accomodate, including casing, lid, flexible post, a plurality of black plate pieces and blackboard sassafras, the casing is the uncovered cavity cuboid structure that sets up in upper end, and the lid level is located directly over the casing and coincide rather than, flexible post is vertical to be located the casing with between the lid, cup jointed the swivel becket that a plurality of levels set up on the lateral wall of flexible post, a plurality of swivel beckets can dismantle a plurality of blackboard pieces and connect and locate on the flexible post to through arbitrary swivel becket with the threaded connection of flexible post regulates and control the position of the black plate piece that the swivel becket is connected to show when realizing a plurality of black plate pieces, avoided the blackboard of relapseing and delayed the time of going to school, also be convenient for the student through the content of going to class of note record, thereby improve teaching efficiency.
Description
Technical Field
The utility model relates to a teaching aid field. More specifically, the utility model relates to a rotatory blackboard convenient to accomodate.
Background
The blackboard is as an indispensable teaching aid in modern teaching, and along with the diversification of modern teaching environment, the blackboard also presents diversified form, facilitates for our teaching. However, most of blackboards are still fixed, need occupy a large amount of spaces, are unfavorable for folding transport, and current blackboard uses the chalk, need manually erase, take trouble hard, can produce a large amount of dusts, are unfavorable for mr and student's healthy, and the utility model discloses then this problem of fine solution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatory blackboard convenient to accomodate to solve the problem of proposing in the above-mentioned background art, show when realizing a plurality of black plates, avoided cleaning the blackboard repeatedly and delayed the time of giving lessons, the student of also being convenient for is through the content of giving lessons of note record, thereby improves teaching efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: comprises a shell, a cover body, a telescopic column and a plurality of black plates,
the shell is of a hollow cuboid structure with an open upper end, and a partition plate parallel to the left side surface of the shell is arranged in the shell to divide the shell into a left shell on the left side and a right shell on the right side;
the cover body is horizontally arranged right above the shell and is matched with the shell, the cover body is of a hollow cuboid structure with the lower end opened, and the cover body comprises a left cover body positioned on the left side and a right cover body positioned on the right side which are hinged with each other;
the telescopic column is vertically arranged between the shell and the cover body, two ends of the telescopic column are fixedly connected with the top surface of the left shell and the bottom surface of the left cover body respectively, a plurality of horizontally arranged rotating rings are sleeved on the outer side wall of the telescopic column, and the inner side wall of any rotating ring is in threaded connection with the outer side wall of the telescopic column;
the non-blackboard surface of any blackboard block can be detachably connected with any rotating ring through a telescopic rod.
According to a further preferred scheme, the blackboard eraser is of a hollow cuboid structure with an opening in one side face, a sieve plate is detachably clamped at the opening side face of the blackboard eraser, a first circular opening is formed in the middle of the other side face of the blackboard eraser, which is opposite to the side face with the sieve plate, and is communicated with a suction pipe of a bag dust collector arranged at the lower portion of the telescopic column, and the bag dust collector is powered by an external power supply.
Further preferably, the telescopic column includes:
the lower column is of a vertically arranged hollow cylindrical structure with an open upper end, the lower end of the lower column is fixedly connected with the top surface of the left shell, and the outer side wall of the lower part of the lower column is provided with a through hole;
the lower end of the upper column is vertically sleeved in the lower column and is fixedly connected with the inner bottom surface of the lower column through a vertically arranged first spring, the upper end of the upper column is fixedly connected with the bottom surface of the left cover body, a plurality of horizontally arranged annular grooves are arranged on the outer side wall of the upper column at intervals along the length direction of the upper column, and the rotating ring is sleeved on the outer side wall of the upper column;
l shape pole, its vertical locating in the lower post, L shape pole includes first vertical pole and the first horizon bar of integration connection, first horizon bar is located the below of first vertical pole, fixture block and arbitrary ring channel joint are passed through to the upper end of first vertical pole, the lower extreme through the second spring that a level set up with the inner wall rigid coupling of lower post, first horizon bar passes through the through-hole is worn out the lower post.
The further preferred scheme is that a plurality of gaps are arranged on the rotating ring, a clamping block is arranged on a telescopic rod connected with the blackboard block, and the telescopic rod is connected with the rotating ring in a clamping mode.
Further preferably, different numbers or letter numbers are arranged at the upper left corner of the blackboard surface of any blackboard block.
Further preferred scheme is, the bottom surface of right side lid is equipped with the display, and the top surface passes through to locate through-hole that runs through from top to bottom of left side lid top surface twines on the lateral wall of upper prop through a rope.
According to a further preferred scheme, a handle is hinged to the left side wall of the left side cover body, and four corners of the bottom surface of the shell are respectively hinged to a universal wheel.
Further preferably, a plurality of LED lamps powered by a battery disposed therein are disposed at intervals on the bottom surface of the cover body.
Further preferably, the sieve plate is made of loofah sponge.
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
the utility model discloses a casing, lid, flexible post, a plurality of blackboard piece and blackboard eraser, simple structure, the practicality is strong. The utility model discloses a plurality of black plates can be dismantled to connect through a plurality of rotating rings and locate on the flexible post, and adjust and control the position of the black plate that the rotating ring connects through the threaded connection of arbitrary rotating ring with flexible post, thereby realize the simultaneous show of a plurality of black plates, avoided repeatedly wiping the blackboard and delayed the time of giving lessons, also be convenient for the student to record the content of giving lessons through the note, thereby improve teaching efficiency; the utility model discloses in be equipped with the blackboard eraser, the blackboard eraser with locate the straw intercommunication of the sack dust catcher of flexible post lower part to the content that will clean is passed through the blackboard eraser and is cleaned the back, is attached to chalk on the blackboard eraser is inhaled in the sack dust catcher, thereby has reduced the injury of dust overflow to teachers and students.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of the present invention in the storage state;
FIG. 2 is a schematic structural view of the telescopic column of the present invention in an extended state;
FIG. 3 is a schematic structural view of the present invention in a state of installing a plurality of blackboard blocks;
FIG. 4 is a schematic cross-sectional view of the telescopic column of the present invention;
fig. 5 is a schematic cross-sectional structure diagram of the blackboard eraser of the present invention.
In the figure: 1-shell, 11-left shell, 12-right shell, 13-clapboard; 2-cover, 21-left cover, 22-right cover; 3-telescopic column, 31-lower column, 311-through hole, 32-upper column, 321-first spring, 33-annular groove, 34-L-shaped rod, 341-first vertical rod, 342-first horizontal rod, 343-clamping block, 344-second spring; 4-rotating the ring; 5-black plate; 6-blackboard eraser, 61-sieve plate, 62-first opening; 7-a telescopic rod; 8-a handle; 9-universal wheel.
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.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in figures 1-5, the utility model provides a rotary blackboard convenient to store, which comprises a shell 1, a cover body 2, a telescopic column 3 and a plurality of blackboard blocks 5,
the shell 1 is of a hollow cuboid structure with an open upper end, and a partition plate 13 parallel to the left side face of the shell is arranged in the shell to divide the shell into a left shell 11 on the left side and a right shell 12 on the right side;
the cover body 2 is horizontally arranged right above the shell and is matched with the shell, the cover body is of a hollow cuboid structure with the lower end opened, and the cover body comprises a left cover body 21 positioned on the left side and a right cover body 22 positioned on the right side which are hinged with each other;
the telescopic column 3 is vertically arranged between the shell 1 and the cover body 2, two ends of the telescopic column 3 are fixedly connected with the top surface of the left shell 11 and the bottom surface of the left cover body 21 respectively, a plurality of horizontally arranged rotating rings 4 are sleeved on the outer side wall of the telescopic column 3, and the inner side wall of any rotating ring 4 is in threaded connection with the outer side wall of the telescopic column 3;
a plurality of black board blocks 5, the non-black board surface of any black board block can be detachably connected with any rotating ring 4 through an expansion link 7.
The blackboard eraser 6 is of a hollow cuboid structure with one side surface opened, the side surface of the blackboard eraser 6 with the opening is detachably clamped with a sieve plate 61, a first circular opening 62 is formed in the middle of the other side surface of the blackboard eraser opposite to the side surface provided with the sieve plate, the first opening 62 is communicated with a suction pipe of a cloth bag dust collector arranged at the lower part of the telescopic column, and the cloth bag dust collector is powered by an external power supply.
In the technical scheme, the rotary blackboard convenient to store comprises a shell 1, a cover body 2, a telescopic column 3, a plurality of blackboard blocks 5 and a blackboard eraser 6, wherein the plurality of blackboard blocks 5 are detachably connected and arranged on the telescopic column 3 through a plurality of rotating rings 4, and the positions of the blackboard blocks 5 connected with the rotating rings 4 are regulated and controlled through the threaded connection of any rotating ring 4 and the telescopic column 3, so that the plurality of blackboard blocks 5 are displayed simultaneously, the phenomenon that the blackboard is cleaned repeatedly to delay the time of class is avoided, the convenience is brought to students to record the content of class through notes, and the teaching efficiency is improved; the blackboard eraser 6 is communicated with a suction pipe of a cloth bag dust collector arranged at the lower part of the telescopic column 3, so that after contents needing to be wiped are wiped by the blackboard eraser 6, chalk attached to the blackboard eraser 6 is sucked into the cloth bag dust collector, and the damage of dust overflow to teachers and students is reduced. The utility model discloses simple structure, maneuverability is strong, has good practicality.
A further optimization made on the basis of the above embodiment, wherein the telescopic column 3 comprises:
the lower column 31 is a vertically arranged hollow cylindrical structure with an open upper end, the lower end of the lower column is fixedly connected with the top surface of the left shell 11, and the outer side wall of the lower part of the lower column 31 is provided with a through hole 311;
the lower end of the upper column 32 is vertically sleeved in the lower column 31 and is fixedly connected with the inner bottom surface of the lower column 31 through a vertically arranged first spring 321, the upper end of the upper column 32 is fixedly connected with the bottom surface of the left cover body 21, a plurality of horizontally arranged annular grooves 33 are arranged on the outer side wall of the upper column 32 at intervals along the length direction of the upper column, and the rotating ring 4 is sleeved on the outer side wall 32 of the upper column;
A further optimization scheme is made on the basis of the embodiment, the rotating ring 4 is provided with a plurality of notches, the telescopic rod 7 connected with the black plate block 5 is provided with a clamping block, and the telescopic rod is connected with the rotating ring in a clamping manner so as to realize detachable connection of the black and white block and the rotating ring.
In a further preferred embodiment based on the above embodiment, the upper left corner of the black board surface of any black board 5 is provided with different numbers or letter numbers, so as to distinguish the black boards 5.
In a further preferred embodiment based on the above embodiment, the bottom surface of the right cover 22 is provided with a display, the top surface is wound on the sidewall of the upper column through a rope passing through a through hole penetrating from top to bottom of the top surface of the left cover, and the rope is used for fixing the hinged angle between the left cover 21 and the right cover 22.
On the basis of the above embodiment, a handle 8 is hinged to the left side wall of the left side cover body 21, and a universal wheel 9 is hinged to each of four corners of the bottom surface of the housing, so as to facilitate the movement of the housing 1.
In a further preferred embodiment based on the above embodiment, a plurality of LED lamps powered by a battery disposed therein are disposed at intervals on the bottom surface of the cover 2, so as to supplement illumination when the light is insufficient.
In a further optimized scheme based on the above embodiment, the sieve plate 61 is made of loofah sponge, so that the cloth bag dust collector can absorb dust conveniently.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (9)
1. Rotatory blackboard convenient to accomodate, its characterized in that: comprises a shell, a cover body, a telescopic column and a plurality of black plates,
the shell is of a hollow cuboid structure with an open upper end, and a partition plate parallel to the left side surface of the shell is arranged in the shell to divide the shell into a left shell on the left side and a right shell on the right side;
the cover body is horizontally arranged right above the shell and is matched with the shell, the cover body is of a hollow cuboid structure with the lower end opened, and the cover body comprises a left cover body positioned on the left side and a right cover body positioned on the right side which are hinged with each other;
the telescopic column is vertically arranged between the shell and the cover body, two ends of the telescopic column are fixedly connected with the top surface of the left shell and the bottom surface of the left cover body respectively, a plurality of horizontally arranged rotating rings are sleeved on the outer side wall of the telescopic column, and the inner side wall of any rotating ring is in threaded connection with the outer side wall of the telescopic column;
the non-blackboard surface of any blackboard block can be detachably connected with any rotating ring through a telescopic rod.
2. The rotating blackboard convenient to store of claim 1, characterized in that: the blackboard eraser is of a hollow cuboid structure with an open side, a sieve plate is detachably clamped at the open side of the blackboard eraser, a first circular opening is formed in the middle of the other side, opposite to the side provided with the sieve plate, of the blackboard eraser, the first opening is communicated with a suction pipe of a cloth bag dust collector arranged at the lower part of the telescopic column, and the cloth bag dust collector is powered by an external power supply.
3. A rotary blackboard convenient to store as claimed in claim 1 or 2, characterised in that: the telescopic column comprises:
the lower column is of a vertically arranged hollow cylindrical structure with an open upper end, the lower end of the lower column is fixedly connected with the top surface of the left shell, and the outer side wall of the lower part of the lower column is provided with a through hole;
the lower end of the upper column is vertically sleeved in the lower column and is fixedly connected with the inner bottom surface of the lower column through a vertically arranged first spring, the upper end of the upper column is fixedly connected with the bottom surface of the left cover body, a plurality of horizontally arranged annular grooves are arranged on the outer side wall of the upper column at intervals along the length direction of the upper column, and the rotating ring is sleeved on the outer side wall of the upper column;
l shape pole, its vertical locating in the lower post, L shape pole includes first vertical pole and the first horizon bar of integration connection, first horizon bar is located the below of first vertical pole, fixture block and arbitrary ring channel joint are passed through to the upper end of first vertical pole, the lower extreme through the second spring that a level set up with the inner wall rigid coupling of lower post, first horizon bar passes through the through-hole is worn out the lower post.
4. A rotary blackboard convenient to store as claimed in claim 1 or 2, characterised in that: the blackboard eraser is characterized in that a plurality of gaps are formed in the rotating ring, a clamping block is arranged on a telescopic rod connected with the blackboard block, and the telescopic rod is connected with the rotating ring in a clamping mode.
5. A rotary blackboard convenient to store as claimed in claim 1 or 2, characterised in that: the left upper corner of the blackboard surface of any blackboard block is provided with different number numbers or letter numbers.
6. A rotary blackboard convenient to store as claimed in claim 3, characterised in that: the bottom surface of the right side cover body is provided with a display, and the top surface of the right side cover body penetrates through a rope to be arranged on a through hole penetrating from top to bottom of the top surface of the left side cover body and is wound on the side wall of the upper column.
7. A rotary blackboard convenient to store as claimed in claim 1 or 2, characterised in that: a handle is hinged to the left side wall of the left side cover body, and four corners of the bottom surface of the shell are respectively hinged to a universal wheel.
8. A rotary blackboard convenient to store as claimed in claim 1 or 2, characterised in that: the bottom surface of the cover body is provided with a plurality of LED lamps which are powered by batteries arranged in the cover body at intervals.
9. The rotatable blackboard convenient to store of claim 2, characterized in that: the sieve plate is made of loofah sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920220448.2U CN210617673U (en) | 2019-02-21 | 2019-02-21 | Rotary blackboard convenient to store |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920220448.2U CN210617673U (en) | 2019-02-21 | 2019-02-21 | Rotary blackboard convenient to store |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210617673U true CN210617673U (en) | 2020-05-26 |
Family
ID=70750374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920220448.2U Expired - Fee Related CN210617673U (en) | 2019-02-21 | 2019-02-21 | Rotary blackboard convenient to store |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210617673U (en) |
-
2019
- 2019-02-21 CN CN201920220448.2U patent/CN210617673U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20210221 |