CN214564167U

CN214564167U - Push-and-pull blackboard for teaching

Info

Publication number: CN214564167U
Application number: CN202120794531.8U
Authority: CN
Inventors: 祁建强; 胡金兰
Original assignee: Jiangsu Qilong Electronic Technology Co ltd
Current assignee: Jiangsu Qilong Electronic Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-02
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a teaching aid technical field's a push-and-pull blackboard is used in teaching, including mount pad, fixed blackboard, display, activity blackboard, two activity blackboards are by its relative movement of actuating mechanism drive, and the ash storage chamber of cavity form is seted up to the tip under the mount pad, and the inner diapire of mount pad sets up the ash chute that falls with ash storage chamber intercommunication, and the mount pad bottom set up with ash storage chamber intercommunication and oral area collection mouth down, be equipped with clearance mechanism in the ash storage chamber. Through two movable blackboards relative movement of actuating mechanism drive, and then can realize that two movable blackboards move on the mount pad, need not the manual mode and carry out the push-and-pull, improved teaching efficiency, through setting up the ash chute that falls, the chalk dust that makes when writing falls into by the ash chute that falls and stores up the ash intracavity, will store up the chalk dust in the ash intracavity by clearance mechanism again and clear up the collection mouth to centralized processing, and can not produce the condition that the chalk dust flew upward everywhere.

Description

Push-and-pull blackboard for teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a push-and-pull blackboard is used in teaching.

Background

Push-and-pull blackboard also known as compound blackboard is the more popular new-type clipboard of schools in every place nearly two years, and push-and-pull blackboard is the same with ordinary teaching blackboard usage on the surface, but pushes away and keeps off behind two faces outside, has just appeared interactive whiteboard or liquid crystal touch TV, can realize the audio-visual education, and push-and-pull blackboard's maximum function is just in here: the traditional teaching and the modern teaching are combined, namely the writing board and the electronic white board are switched randomly, so that the teaching pen is safe and convenient.

In the prior art, after the push-pull blackboard is used for writing, chalk dust written by chalks falls into the push-pull blackboard, so that the chalk dust is inconvenient to clean, and meanwhile, the movable blackboard on the existing push-pull blackboard needs to be pushed in a manual mode, so that the operation is inconvenient.

Based on this, the utility model designs a push-and-pull blackboard is used in teaching to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a push-and-pull blackboard is used in teaching to integrated electric power during operation need carry out management and control and storage to the work ticket among the prior art who proposes in solving above-mentioned background art, during the storage, promptly, place the bill of work ticket in a cabinet, this kind of mode has accomplished the storage work to the work ticket, but can't shoot the content of work ticket and stay the shelves, only save the work ticket of paper, the coordination work between each department is not convenient for, and the inconvenient problem of managing and controlling is carried out to the work ticket.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a push-and-pull blackboard for teaching, includes the mount pad of seting up the installation cavity on thickness direction one side outer wall, be equipped with two fixed blackboards in the mount pad, two settle between the fixed blackboard has the display, be equipped with two movable blackboards that can follow mount pad length direction free slip in the installation cavity, two its relative movement is driven by actuating mechanism to the movable blackboard, the tip offers the ash storage cavity of cavity form under the mount pad, the inner bottom wall of installation cavity offers the ash chute that falls with ash storage cavity intercommunication, the mount pad bottom is offered with ash storage cavity intercommunication, and the collection mouth that the oral area faces down, be equipped with clearance mechanism in the ash storage cavity.

Preferably, the inner walls of the upper side and the lower side of the installation cavity are provided with guide rails, and the two longitudinal ends of the movable blackboard are provided with sliding chutes which are clamped on the guide rails and can horizontally and freely slide.

Preferably, actuating mechanism includes that the level rotationally wears to establish the drive shaft on the mount pad, drive shaft both ends are equipped with first screw thread portion, the second screw thread portion that the screw thread turned to opposite respectively, the drive shaft is driven its rotation by the servo motor who installs on the mount pad, each threaded sleeve is equipped with the connecting seat on first screw thread portion, the second screw thread portion, two the connecting seat is connected with two movable blackboards respectively.

Preferably, clearance mechanism is including locating the ash storage intracavity and can follow the free gliding rubber scraper of ash storage chamber length direction, the rigid coupling has the screw seat on the rubber scraper, the lead screw is rotationally worn to be equipped with to the mount pad higher authority, screw seat screw thread suit is on the lead screw.

Preferably, the screw rod is driven to rotate by a speed reducing motor mounted on the mounting seat.

Compared with the prior art, the beneficial effects of the utility model are that: through two movable blackboards relative movement of actuating mechanism drive, and then can realize that two movable blackboards move on the mount pad, need not the manual mode and carry out the push-and-pull, improved teaching efficiency, through setting up the ash chute that falls, the chalk dust that makes when writing falls into by the ash chute that falls and stores up the ash intracavity, will store up the chalk dust in the ash intracavity by clearance mechanism again and clear up the collection mouth to centralized processing, and can not produce the condition that the chalk dust flew upward everywhere.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an exploded view of the three-dimensional structure of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;

fig. 4 is a schematic partial sectional view of a three-dimensional structure of the mounting base of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-mounting seat, 2-fixed blackboard, 3-display, 4-movable blackboard, 5-first threaded part, 6-nut seat, 7-rubber scraper, 8-second threaded part, 9-screw rod, 10-connecting seat, 11-speed reducing motor, 12-servo motor, 13-guide rail, 14-collecting port, 15-ash falling groove and 16-ash storage cavity.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a teaching is with push-and-pull blackboard, set up the mount pad 1 of installation cavity on the outer wall of thickness direction one side, be equipped with two fixed blackboards 2 in the mount pad 1, two activity blackboards 4, it has display 3 to settle between two fixed blackboards 2, be equipped with guide rail 13 on the both sides inner wall about the installation cavity, the fore-and-aft both ends of activity blackboard 4 are equipped with the block on guide rail 13, and can the horizontal spout that freely slides, slide on the spout through guide rail 13, and then make activity blackboard 4 sliding connection in the installation cavity, two activity blackboards 4 are driven its relative movement by actuating mechanism, actuating mechanism includes the drive shaft that the level rotationally wears to establish on mount pad 1, the drive shaft both ends are equipped with screw thread portion 5 that the screw thread revolves to opposite respectively, second screw portion 8, the drive shaft is driven its rotation by servo motor 12 installed on mount pad 1, first screw portion 5, the first screw portion 5, Each thread cover on the second thread part 8 is provided with a connecting seat 10, the two connecting seats 10 are respectively connected with the two movable blackboards 4, when the display 3 is needed, the two movable blackboards 4 are pushed to the two sides of the mounting seat 1, at the moment, an external power supply is switched on, the servo motor 12 is started, when the servo motor 12 rotates, the driving shaft synchronously rotates, further, the first thread part 5 and the second thread part 8 are respectively screwed with the two connecting seats 10, the thread directions of the first thread part 5 and the second thread part 8 are opposite, so that the two connecting seats 10 synchronously and reversely move, thus the two movable blackboards 4 can synchronously move to the two sides of the mounting seat 1, the display 3 can carry out display and teaching operation, the lower end part of the mounting seat 1 is provided with a dust storage cavity 16 in a cavity form, the inner bottom wall of the mounting cavity is provided with a dust falling groove 15 communicated with the dust storage cavity 16, the bottom of the mounting base 1 is provided with a collecting port 14 which is communicated with the ash storage cavity 16 and has a downward opening, a cleaning mechanism is arranged in the ash storage cavity 16 and comprises a rubber scraper 7 which is arranged in the ash storage cavity 16 and can freely slide along the length direction of the ash storage cavity 16, a screw base 6 is fixedly connected to the rubber scraper 7, a screw rod 9 is horizontally and rotatably arranged on the mounting base 1, the screw base 6 is sleeved on the screw rod 9 in a threaded manner, when the chalk ash in the ash storage cavity 16 is cleaned, firstly, the screw rod 9 is rotated by rotating the screw rod 9, the screw base 6 is screwed with the screw rod 9 in a threaded manner, so that the screw base 6 is driven to horizontally move, the rubber scraper 7 is driven to horizontally move in the ash storage cavity 16, the chalk ash in the ash storage cavity 16 is driven to the collecting port 14 by the rubber scraper 7 and falls into an external collecting device for centralized treatment, of course, in order to facilitate operation and reduce labor intensity, the screw 9 may be arranged to be rotated by a reduction motor 11 mounted on the mounting 1.

The utility model discloses in the implementation: when the display 3 needs to be used, the two movable blackboards 4 are pushed to two sides of the mounting seat 1, at the moment, the servo motor 12 is started by switching on an external power supply, when the servo motor 12 rotates, the driving shaft synchronously rotates, and then the first thread part 5 and the second thread part 8 are respectively screwed with the two connecting seats 10, and the two connecting seats 10 synchronously and reversely move due to the fact that the thread turning directions of the first thread part 5 and the second thread part 8 are opposite, so that the two movable blackboards 4 can synchronously move to two sides of the mounting seat 1, and the display 3 can perform displaying and teaching operations;

when the chalk dust in the dust storage cavity 16 is cleaned, firstly, the screw rod 9 is rotated, when the screw rod 9 rotates, the screw seat 6 is screwed with the screw rod 9, and then the screw seat 6 is driven to horizontally move, and then the rubber scraper 7 is driven to horizontally move in the dust storage cavity 16, so that the chalk dust in the dust storage cavity 16 is driven to the collection port 14 by the rubber scraper 7, and the chalk dust falls into an external collection device for centralized processing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a teaching is with push-and-pull blackboard, includes offering mount pad (1) of installation cavity on thickness direction one side outer wall, be equipped with two fixed blackboards (2) in mount pad (1), two settle between fixed blackboards (2) have display (3), be equipped with two movable blackboards (4) that can follow mount pad (1) length direction free slip in the installation cavity, its characterized in that, two movable blackboards (4) are driven its relative movement by actuating mechanism, the tip offers dust storage chamber (16) of cavity form under mount pad (1), the inner bottom wall of installation cavity offers dust falling groove (15) with dust storage chamber (16) intercommunication, set up with dust storage chamber (16) intercommunication and oral area collection mouth (14) down in mount pad (1) bottom, be equipped with clearance mechanism in dust storage chamber (16).

2. A push-pull blackboard for teaching as claimed in claim 1, wherein the inner walls of the upper and lower sides of the installation cavity are provided with guide rails (13), and the longitudinal ends of the movable blackboard (4) are provided with sliding grooves which are fastened on the guide rails (13) and can horizontally and freely slide.

3. A push-pull blackboard for teaching according to claim 1, wherein the driving mechanism includes a driving shaft horizontally and rotatably installed on the installation base (1), the two ends of the driving shaft are respectively provided with a first threaded portion (5) and a second threaded portion (8) with opposite thread directions, the driving shaft is driven to rotate by a servo motor (12) installed on the installation base (1), the first threaded portion (5) and the second threaded portion (8) are respectively sleeved with a connection base (10), and the two connection bases (10) are respectively connected with the two movable blackboards (4).

4. A push-pull blackboard for teaching as claimed in claim 1, wherein the cleaning mechanism includes a rubber scraper (7) disposed in the dust storage chamber (16) and capable of freely sliding along the length direction of the dust storage chamber (16), a nut seat (6) is fixedly connected to the rubber scraper (7), a lead screw (9) is horizontally and rotatably disposed on the mounting seat (1), and the nut seat (6) is threadedly mounted on the lead screw (9).

5. A push-pull blackboard for teaching purposes according to claim 4, characterised in that the screw (9) is driven in rotation by a reduction motor (11) mounted on the mounting (1).