CN111070945A - Rail-changing type push-pull blackboard - Google Patents
Rail-changing type push-pull blackboard Download PDFInfo
- Publication number
- CN111070945A CN111070945A CN201911083559.4A CN201911083559A CN111070945A CN 111070945 A CN111070945 A CN 111070945A CN 201911083559 A CN201911083559 A CN 201911083559A CN 111070945 A CN111070945 A CN 111070945A
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- China
- Prior art keywords
- blackboard
- slide rail
- rail
- aluminum
- arc
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention belongs to the technical field of teaching aids, and particularly relates to a rail-changeable push-pull blackboard which comprises an aluminum slide rail I and an aluminum slide rail II, and is characterized in that: a first slide rail, a first arc-shaped guide groove, a second slide rail and a second arc-shaped guide groove are arranged in the first aluminum slide rail and the second aluminum slide rail, the right end of the first slide rail is fixedly connected with the first arc-shaped guide groove, and the right end of the second slide rail is fixedly connected with the second arc-shaped guide groove. According to the movable blackboard, the first slide rail, the second slide rail, the arc-shaped guide grooves, the slide assemblies and other devices are arranged, so that the movable blackboard can be moved left and right according to the use requirements of teaching personnel, the slide assemblies are arranged to be matched with the movement of the first movable blackboard and the second movable blackboard, and the return spring is arranged to enable the first movable blackboard and the second movable blackboard to be retracted into the first arc-shaped guide grooves and the second arc-shaped guide grooves when multimedia equipment is not used, so that the use effect of the blackboard is better through the mutual matching of the structures.
Description
Technical Field
The invention belongs to the technical field of teaching aids, and particularly relates to a rail-changing type push-pull blackboard.
Background
The blackboard is a common teaching tool, most of blackboards are directly fixed on a wall, and the blackboard brings much inconvenience, is not beneficial to multimedia video teaching demonstration and influences the teaching effect; the push-pull type blackboard consisting of a plurality of blackboards appears very early on the market, the movement of the blackboards is mainly realized by the aid of the chutes in the blackboard frame, and the blackboard has the obvious defects that the fixed blackboard and the movable blackboard are not in the same plane, the height difference exists, the continuity of teaching and writing is influenced, and students watch the blackboards and have the defects of poor integrity and unattractive appearance. At present, multimedia teaching is basically realized in the compulsory education stage of China, a push-pull blackboard is needed for facilitating the use of multimedia, a whole blackboard is needed when multimedia equipment is not used, the movable blackboard and the fixed blackboard cannot be placed on the same plane when the existing left-right push-pull blackboard is closed, and the operation is not simple and convenient, so the existing defects are improved.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a track-changing type push-pull blackboard which has the characteristics of convenience in use, improvement of writing consistency, enhancement of blackboard integrity and attractive appearance.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a become rail formula push-and-pull blackboard, includes aluminium slide rail one and aluminium slide rail two, its characterized in that: first slide rail and arc guide way are provided with in aluminium slide rail one and the aluminium slide rail two, second slide rail and arc guide way two, the right-hand member and the first fixed connection of arc guide way of first slide rail, the right-hand member and the second fixed connection of arc guide way of second slide rail, the slip assembly has been placed in aluminium slide rail one and the aluminium slide rail two, the slip assembly passes through the connecting piece and is connected fixedly with activity blackboard one and activity blackboard two, the slip assembly comprises main frame and sub vehicle frame, install the return spring between main frame and the sub vehicle frame, blackboard one and fixed blackboard two are fixed in the left and right sides installation of aluminium slide rail one and aluminium slide rail two.
Furthermore, the main frame consists of a main car pulley, a return spring hook, a nut and the like, the auxiliary frame consists of a return spring hook, an auxiliary car pulley, a guide pulley, a connecting piece and the like, and the main frame is arranged in pulley grooves of the first aluminum slide rail and the second aluminum slide rail and can horizontally move along the grooves in a sliding manner; the main frame is internally provided with a sliding chute, and the auxiliary frame can move back and forth along the sliding chute.
Furthermore, sliding grooves are formed in the first aluminum sliding rail and the second aluminum sliding rail, a main frame of the sliding assembly can horizontally move left and right along the sliding grooves, and an auxiliary frame of the sliding assembly is fixedly connected with the first movable blackboard and the second movable blackboard through connecting pieces.
Furthermore, handles are arranged on two side faces of the first movable blackboard and the second movable blackboard, and through chalk grooves are arranged below the first fixed blackboard and the second fixed blackboard and the first movable blackboard and the second movable blackboard.
Furthermore, limiting devices are arranged at two ends of the first aluminum sliding rail and the second aluminum sliding rail and consist of a support and a soft rubber cushion.
The invention has the beneficial effects that:
according to the invention, the first sliding rail, the second sliding rail and the arc-shaped guide groove are arranged in the first aluminum sliding rail and the second aluminum sliding rail, so that the first movable blackboard and the second movable blackboard can move left and right according to the use requirements of teaching personnel, the first movable blackboard and the second movable blackboard are more stable and quiet in the moving process under the matching of the sliding groove, the sliding assembly and the return spring, and the movement of the first movable blackboard and the second movable blackboard keeps reasonable damping through the tension of materials. The limiting device is arranged to limit the moving stroke of the first movable blackboard and the second movable blackboard, the return spring is arranged to enable the first movable blackboard and the second movable blackboard to be retracted into the first arc-shaped guide groove and the second arc-shaped guide groove when multimedia equipment is not used, meanwhile, the first arc-shaped guide groove and the second arc-shaped guide groove can also play a certain limiting role, and the blackboard is enabled to be better in use effect through mutual matching among structures.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the front view structure of the present invention (with the movable blackboard closed);
FIG. 2 is a schematic view of the structure of the present invention in a front view (with the movable blackboard open);
FIG. 3 is an enlarged schematic view of the main frame of the present invention;
FIG. 4 is an enlarged schematic view of the subframe of the present invention;
FIG. 5 is a detailed view showing the structure of the open state of the movable blackboard according to the present invention;
FIG. 6 is a detailed view showing the closed state of the movable blackboard according to the present invention;
in the figure: 1-upright column; 2, fixing the first blackboard; 3-an aluminum sliding rail I; 4-a sliding assembly; 5, moving the first blackboard; 6-movable blackboard two; 7-fixing the second blackboard; 8-an aluminum slide rail II; 9-handle; 10-chalk groove; 11-main cart pulley; 12-a return spring hook; 13-a main frame; 14-a nut; 15-a return spring hook; 16-secondary pulley; 17-a guide pulley; 18-a subframe; 19-a connector; 20-a return spring; 21-a first guide rail; 22-an arc-shaped guide groove I; 23-a second guide rail; 24-an arc-shaped guide groove II; 25-a limiting device.
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.
Examples
Referring to fig. 1-6, the present invention provides the following technical solutions: a rail-changing type push-pull blackboard comprises an aluminum slide rail I3 and an aluminum slide rail II 8, wherein a first slide rail 21, an arc guide groove I22, a second slide rail 23 and an arc guide groove II 24 are arranged in the aluminum slide rail I3 and the aluminum slide rail II 8, the right end of the first slide rail 21 is fixedly connected with the arc guide groove I22, the right end of the second slide rail 23 is fixedly connected with the arc guide groove II 24, a sliding assembly 4 is arranged in the aluminum slide rail I3 and the aluminum slide rail II 8, the sliding assembly 4 is fixedly connected with a movable blackboard I5 and a movable blackboard II 6 through a connecting piece 19, the sliding assembly 4 consists of a main frame 13 and an auxiliary frame 18, a return spring 20 is arranged between the main frame 13 and the auxiliary frame 18, and a fixed blackboard I2 and a fixed blackboard II 7 are arranged on the left side and the right side of the aluminum slide rail I3 and the aluminum slide rail II 8.
Specifically, the main frame 13 is composed of a main pulley 11, a return spring hook 12, a nut 14 and the like, the auxiliary frame 18 is composed of a return spring hook 15, an auxiliary pulley 16, a guide pulley 17, a connecting piece 19 and the like, and the main frame 13 is arranged in pulley grooves of the first aluminum slide rail 3 and the second aluminum slide rail 8 and can horizontally move along the grooves; the blackboard eraser is characterized in that a sliding groove is formed in the main frame 13, the auxiliary frame 18 can move back and forth along the sliding groove, sliding grooves are formed in the first aluminum sliding rail 3 and the second aluminum sliding rail 8, the main frame 13 of the sliding assembly 4 can horizontally move left and right along the sliding groove, the auxiliary frame 18 of the sliding assembly 4 is fixedly connected with the first movable blackboard 5 and the second movable blackboard 6 through a connecting piece 19, a handle 9 is arranged on the side face of the first movable blackboard 5 and the side face of the second movable blackboard 6, and a through long chalk groove 10 is formed below the first fixed blackboard 2, the second fixed blackboard 7, the first movable blackboard 5 and the second movable blackboard 6.
Specifically, two ends of the first aluminum sliding rail 3 and the second aluminum sliding rail 8 are provided with limiting devices 25, and each limiting device 25 is composed of a support and a soft rubber pad.
The working principle and the using process of the invention are as follows:
as shown in the figure V, a teacher pulls the handle rightwards, the first movable blackboard and the second movable blackboard drive the sliding assembly to move rightwards from the point A-B, when the guide pulley reaches the first arc-shaped guide groove and the second arc-shaped guide groove, the auxiliary frame is pulled by the return spring to move backwards, when the guide pulley reaches the point A1-B1, the first movable blackboard and the second movable blackboard and the first fixed blackboard and the second fixed blackboard are located on the same plane, and the first arc-shaped guide groove and the second arc-shaped guide groove simultaneously play a limiting role.
When the first movable blackboard and the second movable blackboard are located at the point A1-B1, a teacher pulls the handle forwards, the first movable blackboard and the second movable blackboard drive the auxiliary frame to move forwards, the limiting effect of the first arc-shaped guide groove and the second arc-shaped guide groove is relieved, the first movable blackboard and the second movable blackboard are pulled leftwards, under the combined action of the guide pulleys and the return spring, the left auxiliary frame and the right auxiliary frame cling to the first guide rail and the second guide rail to guide the sliding assembly to slide leftwards until the first movable blackboard and the second movable blackboard reach the point A-B and overlap with the first fixed blackboard and the second fixed blackboard, and the limiting position can be adjusted by the limiting device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a become rail formula push-and-pull blackboard, includes aluminium slide rail one (3) and two (8) of aluminium slide rail, its characterized in that: a first slide rail (21), a first arc-shaped guide groove (22), a second slide rail (23) and a second arc-shaped guide groove (24) are arranged in the first aluminum slide rail (3) and the second aluminum slide rail (8), the right end of the first slide rail (21) is fixedly connected with a first arc-shaped guide groove (22), the right end of the second slide rail (23) is fixedly connected with a second arc-shaped guide groove (24), a sliding assembly (4) is arranged in the first aluminum sliding rail (3) and the second aluminum sliding rail (8), the sliding assembly (4) is fixedly connected with the first movable blackboard (5) and the second movable blackboard (6) through connecting pieces (19), the sliding assembly (4) consists of a main frame (13) and an auxiliary frame (18), a return spring (20) is arranged between the main frame (13) and the auxiliary frame (18), and a first fixed blackboard (2) and a second fixed blackboard (7) are arranged at the left side and the right side of the first aluminum sliding rail (3) and the second aluminum sliding rail (8).
2. The rail-changeable push-pull blackboard according to claim 1, wherein: the main frame (13) consists of a main frame pulley (11), a return spring hook (12), a nut (14) and the like, the auxiliary frame (18) consists of a return spring hook (15), an auxiliary frame pulley (16), a guide pulley (17), a connecting piece (19) and the like, and the main frame (13) is arranged in pulley grooves of the first aluminum sliding rail (3) and the second aluminum sliding rail (8) and can horizontally move along the grooves in a sliding manner; a sliding groove is formed in the main frame (13), and the auxiliary frame (18) can move back and forth along the sliding groove.
3. The rail-changeable push-pull blackboard according to claim 2, wherein: be equipped with the spout in aluminium slide rail (3) and aluminium slide rail two (8), horizontal migration about the spout can be followed in main frame (13) of slip assembly (4), sub vehicle frame (18) of slip assembly (4) pass through connecting piece (19) and activity blackboard (5) and activity blackboard (6) fixed connection.
4. The rail-changeable push-pull blackboard according to claim 3, wherein: handles (9) are arranged on the side faces of the first movable blackboard (5) and the second movable blackboard (6), and through long chalk grooves (10) are arranged below the first fixed blackboard (2), the second fixed blackboard (7), the first movable blackboard (5) and the second movable blackboard (6).
5. The rail-changeable push-pull blackboard according to claim 3, wherein: and two ends of the first aluminum sliding rail (3) and the second aluminum sliding rail (8) are provided with limiting devices (25), and each limiting device (25) consists of a support and a soft rubber cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911083559.4A CN111070945A (en) | 2019-11-07 | 2019-11-07 | Rail-changing type push-pull blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911083559.4A CN111070945A (en) | 2019-11-07 | 2019-11-07 | Rail-changing type push-pull blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111070945A true CN111070945A (en) | 2020-04-28 |
Family
ID=70310971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911083559.4A Pending CN111070945A (en) | 2019-11-07 | 2019-11-07 | Rail-changing type push-pull blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111070945A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112773090A (en) * | 2021-01-12 | 2021-05-11 | 浙江金余规划设计有限公司 | Territorial space planning design drawing system |
| CN113400840A (en) * | 2021-06-04 | 2021-09-17 | 江门职业技术学院 | Preschool education is with teaching show board |
| CN113829782A (en) * | 2021-11-04 | 2021-12-24 | 临澧县职业中专学校 | Plug-type automatically cleaning dustless teaching blackboard |
| CN114161868A (en) * | 2022-01-14 | 2022-03-11 | 拓誉智能科技(惠州)有限公司 | Folding blackboard |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203358125U (en) * | 2013-07-15 | 2013-12-25 | 济南蓝贝思特科技有限公司 | Multimedia writing board |
| CN204801319U (en) * | 2015-06-24 | 2015-11-25 | 孙嘉毅 | Push -and -pull blackboard with self -lock device |
| CN204845249U (en) * | 2015-07-17 | 2015-12-09 | 淮南市泰峰电子科技有限公司 | Electrostatic dust prevention combination formula push -and -pull blackboard |
| CN204936594U (en) * | 2015-07-02 | 2016-01-06 | 广州夏之洁科教用品有限公司 | Stealthy piece blank body and the combination blank be made up of it |
| CN206999976U (en) * | 2017-03-31 | 2018-02-13 | 湖南一凡教学设备有限公司 | One kind becomes rail push-and-pull blackboard |
| CN208133897U (en) * | 2018-02-11 | 2018-11-23 | 李姗姗 | A kind of plug-type board of education of combination |
| CN208530084U (en) * | 2018-06-06 | 2019-02-22 | 李月 | A kind of four push-and-pull blackboards of no inside casing |
-
2019
- 2019-11-07 CN CN201911083559.4A patent/CN111070945A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203358125U (en) * | 2013-07-15 | 2013-12-25 | 济南蓝贝思特科技有限公司 | Multimedia writing board |
| CN204801319U (en) * | 2015-06-24 | 2015-11-25 | 孙嘉毅 | Push -and -pull blackboard with self -lock device |
| CN204936594U (en) * | 2015-07-02 | 2016-01-06 | 广州夏之洁科教用品有限公司 | Stealthy piece blank body and the combination blank be made up of it |
| CN204845249U (en) * | 2015-07-17 | 2015-12-09 | 淮南市泰峰电子科技有限公司 | Electrostatic dust prevention combination formula push -and -pull blackboard |
| CN206999976U (en) * | 2017-03-31 | 2018-02-13 | 湖南一凡教学设备有限公司 | One kind becomes rail push-and-pull blackboard |
| CN208133897U (en) * | 2018-02-11 | 2018-11-23 | 李姗姗 | A kind of plug-type board of education of combination |
| CN208530084U (en) * | 2018-06-06 | 2019-02-22 | 李月 | A kind of four push-and-pull blackboards of no inside casing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112773090A (en) * | 2021-01-12 | 2021-05-11 | 浙江金余规划设计有限公司 | Territorial space planning design drawing system |
| CN113400840A (en) * | 2021-06-04 | 2021-09-17 | 江门职业技术学院 | Preschool education is with teaching show board |
| CN113829782A (en) * | 2021-11-04 | 2021-12-24 | 临澧县职业中专学校 | Plug-type automatically cleaning dustless teaching blackboard |
| CN114161868A (en) * | 2022-01-14 | 2022-03-11 | 拓誉智能科技(惠州)有限公司 | Folding blackboard |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200428 |
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| WD01 | Invention patent application deemed withdrawn after publication |