CN214240180U

CN214240180U - Movable blackboard with blackboard eraser

Info

Publication number: CN214240180U
Application number: CN202022880962.4U
Authority: CN
Inventors: 陈吉
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-21
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to a teaching aid articles for use technical field discloses a take portable blackboard of blackboard eraser, which comprises a plate body and a base, plate body left part upper end fixed mounting has the resistance screen, and resistance screen lower extreme fixed mounting has the switch, the memory draw-in groove has been seted up to the switch lower extreme, and RAM draw-in groove right-hand member fixed mounting has the speaker, the face has been seted up to the plate body right part, and the upper and lower both ends of face respectively fixed mounting have a guide rail, the pivot is installed respectively at both ends about the plate body, and pivot outside swing joint has a connecting seat, the inside running through of connecting seat installs the bracing piece, and connecting seat outside movable mounting has the stopper, the stop collar is installed on the bracing piece top, base fixed mounting is in the bracing piece bottom, and a set of universal wheel is installed respectively to both ends bottom about the base. The utility model discloses a with the data input part of the data output end connecting resistance screen of host computer, make the resistance screen can carry out video operation through the touch-control.

Description

Movable blackboard with blackboard eraser

Technical Field

The utility model relates to a teaching aid articles for use technical field specifically is a take portable blackboard of blackboard eraser.

Background

The blackboard is equipped with in the present classroom, general blackboard all is fixed or can remove from top to bottom, but can not remove about nevertheless, because the influence of light and seat, some students always can not see the word on the blackboard, all bring certain influence to teacher's teaching and student's study like this, all use the blackboard eraser when using the blackboard simultaneously, it all is the manual work to take the blackboard eraser to clean to erase the writing on the blackboard in the teaching at present, always can cause the blackboard eraser to fly upward all around when erasing the blackboard, and the chalk dust can make hand, the desk of podium and front bank dirty, not only waste time and energy, and cause very big harm to teachers and students ' health. In addition, many teaching systems currently require electronic videos to assist teaching, most classrooms use a blackboard and an additional display to teach, and the teaching systems are troublesome to use.

The application number CN201320050531.2 of retrieval discloses a movable blackboard with a blackboard eraser, wherein a blackboard frame comprises an outer frame and an inner frame, the inner side of the outer frame is provided with a sliding groove, and the inner frame is a runway-shaped gear groove; the periphery of each black plate body is provided with a flange matched with the sliding groove, the back of each black plate body is provided with a gear matched and connected with the gear groove, and each black plate body can slide along the runway-shaped gear groove; three blackboard bodies are arranged on the blackboard frame, and an empty board position is formed on the blackboard frame; the right side and the lower side of the empty plate position are respectively provided with a strip-shaped blackboard eraser; the blackboard eraser is installed at the position of the blank plate through the telescopic rod, when the telescopic rod is completely retracted, the bottom plane of the blackboard eraser and the upper plane of the black plate body are located on the same plane, writing on the blackboard can be erased, when the telescopic rod is pulled open, the distance between the bottom plane of the blackboard eraser and the upper plane of the black plate body is 10-20 mm, and therefore a user can freely move the black plate body according to needs and can set whether to erase the writing.

However, the inventor finds that the technical scheme still has at least the following defects:

first, this technique is comparatively troublesome when using, and does not settle the display screen, can't carry out the teaching of video explanation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take portable blackboard of blackboard eraser has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take portable blackboard of blackboard eraser, includes plate body and base, plate body left part upper end fixed mounting has the resistance screen, and resistance screen lower extreme fixed mounting has the switch, the memory draw-in groove has been seted up to the switch lower extreme, and memory draw-in groove right-hand member fixed mounting has the speaker, the face has been seted up to the plate body right part, and the upper and lower both ends of face respectively fixed mounting have a guide rail, the pivot is installed respectively at both ends about the plate body, and pivot outside swing joint has the connecting seat, the inside bracing piece that runs through of connecting seat installs, and connecting seat outside movable mounting has the stopper, the stop collar is installed on the bracing piece top, base fixed mounting is in the bracing piece bottom, and a set of universal wheel is installed respectively to both ends bottom about the base.

As a preferred embodiment of the utility model, there is the eraser on the face right side through guide rail movable mounting, and eraser central authorities install the handle.

As an preferable embodiment of the present invention, the host is installed at the position of the resistance screen behind the plate body.

As a preferred embodiment of the utility model, the thermovent has been seted up to host computer left part upper end, and thermovent right side fixed mounting has the battery.

As a preferred embodiment of the utility model, resistance screen, host computer, switch, speaker and battery form electric connection, and the signal output part of switch and the signal input part of resistance screen and host computer connect.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a take portable blackboard of blackboard eraser has the blackboard eraser through having the guide rail movable mounting on the face right side, and blackboard eraser central authorities install the handle, and it is more convenient when making the device use.

2. The utility model relates to a take portable blackboard of blackboard eraser installs the host computer through being located the resistance screen position at the plate body rear to through having seted up the thermovent in host computer left part upper end, and thermovent right side fixed mounting has the battery, through the data input part with the data output end connecting resistance screen of host computer, make the resistance screen can carry out video operation through the touch-control.

3. The utility model relates to a take portable blackboard of blackboard eraser forms electric connection through with resistance screen, host computer, switch, speaker and battery, and the signal output part of switch and the signal input part of resistance screen and host computer connect, make the operation of device more integrated.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a movable blackboard with a blackboard eraser according to the present invention;

fig. 2 is a rear view of the movable blackboard with the blackboard eraser of the present invention.

In the figure: 1. the board comprises a board body, 2, a guide rail, 3, a board surface, 4, a board eraser, 5, a handle, 6, a resistance screen, 7, a connecting seat, 8, a limiting block, 9, a rotating shaft, 10, a switch, 11, a memory clamping groove, 12, a loudspeaker, 13, a base, 14, a universal wheel, 15, a supporting rod, 16, a limiting sleeve, 17, a heat dissipation port, 18, a storage battery, 19 and a host.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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 being 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.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a movable blackboard with a blackboard eraser comprises a blackboard body 1 and a base 13, wherein a resistance screen 6 is fixedly arranged at the upper end of the left part of the blackboard body 1, a switch 10 is fixedly arranged at the lower end of the resistance screen 6, a memory clamping groove 11 is formed at the lower end of the switch 10, a loudspeaker 12 is fixedly arranged at the right end of the memory clamping groove 11, a board surface 3 is formed at the right part of the blackboard body 1, guide rails 2 are respectively and fixedly arranged at the upper end and the lower end of the board surface, rotating shafts 9 are respectively arranged at the left end and the right end of the blackboard body 1, a connecting seat 7 is movably connected to the outer side of the rotating shafts 9, a supporting rod 15 is penetratingly arranged in the connecting seat 7, a limiting block 8 is movably arranged at the outer side of the connecting seat 7, a limiting sleeve 16 is arranged at the top end of the supporting rod 15, a, and through having seted up thermovent 17 at host computer 19 left part upper end, and thermovent 17 right side fixed mounting has battery 18, through the data input end with the data output end connection resistance screen 6 of host computer 19, makes resistance screen 6 can carry out video operation through the touch-control.

In this embodiment (as shown in fig. 1 and 2), the board eraser 4 is movably mounted on the right side of the board surface 3 through the guide rail 2, the handle 5 is mounted in the center of the board eraser 4, the board eraser 4 is movably mounted on the right side of the board surface 3 through the guide rail 2, and the handle 5 is mounted in the center of the board eraser 4, so that the device is more convenient to use.

In this embodiment (please refer to fig. 1 and 2), a host 19 is installed at the position of the resistance screen 6 at the rear of the plate body 1, the host 19 is installed at the position of the resistance screen 6 at the rear of the plate body 1, a heat dissipation port 17 is formed in the upper end of the left portion of the host 19, a storage battery 18 is fixedly installed on the right side of the heat dissipation port 17, and the data output end of the host 19 is connected with the data input end of the resistance screen 6, so that the resistance screen 6 can be used for various video teaching.

In this embodiment (as shown in fig. 2), the upper end of the left portion of the main frame 19 is provided with a heat dissipating port 17, and the right side of the heat dissipating port 17 is fixedly provided with a storage battery 18.

In this embodiment (see fig. 1 and 2), the resistive screen 6, the host 19, the switch 10, the speaker 12 and the storage battery 18 are electrically connected, and the signal output terminal of the switch 10 is connected to the signal input terminals of the resistive screen 6 and the host 19, so that the resistive screen 6, the host 19, the switch 10, the speaker 12 and the storage battery 18 are electrically connected, and the signal output terminal of the switch 10 is connected to the signal input terminals of the resistive screen 6 and the host 19, thereby integrating the operation of the apparatus.

It should be noted that, the utility model relates to a take portable blackboard of blackboard eraser, each is the part that general standard component or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

The working principle is as follows: when a movable blackboard with a blackboard eraser is used, firstly, the blackboard body 1 is moved to a required angle through a rotating shaft 9 and a connecting seat 7, then the blackboard body 1 is fixed through a limiting block 8, a signal output end of a switch 10 is connected with a host computer 19, signal input ends of a resistance screen 6 and a loudspeaker 12 are controlled and opened, the resistance screen 6 and the loudspeaker 12 are controlled, then the signal output end of the resistance screen 6 is connected with the signal input end of the host computer 19 through the touch resistance screen 6, the host computer 19 is connected with the data input end of the resistance screen 6 through a data output end, the selection of teaching contents is controlled and the like, finally, the blackboard eraser 4 is moved leftwards through a pulling handle 5, the blackboard eraser 4 erases handwriting of the blackboard eraser 3, and the device is more convenient to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a take portable blackboard of blackboard eraser which characterized in that: the novel plate comprises a plate body (1) and a base (13), wherein a resistance screen (6) is fixedly installed at the upper end of the left part of the plate body (1), a switch (10) is fixedly installed at the lower end of the resistance screen (6), a memory clamping groove (11) is formed in the lower end of the switch (10), a loudspeaker (12) is fixedly installed at the right end of the memory clamping groove (11), a plate surface (3) is formed in the right part of the plate body (1), guide rails (2) are respectively and fixedly installed at the upper end and the lower end of the plate surface, rotating shafts (9) are respectively installed at the left end and the right end of the plate body (1), a connecting seat (7) is movably connected to the outer side of the rotating shafts (9), a supporting rod (15) is installed in the connecting seat (7) in a penetrating mode, a limiting block (8) is movably installed at the outer side of the connecting seat (7), a limiting sleeve (16) is installed at the top end of the supporting rod (15), and the base (13) is fixedly installed at the bottom end of the supporting rod (15), and a group of universal wheels (14) are respectively installed at the bottoms of the left end and the right end of the base (13), the right side of the board surface (3) is movably provided with the blackboard eraser (4) through the guide rail (2), and the center of the blackboard eraser (4) is provided with the handle (5).

2. The movable blackboard with blackboard eraser according to claim 1, characterized in that: a host (19) is arranged at the position, located on the resistance screen (6), behind the plate body (1).

3. The movable blackboard with blackboard eraser according to claim 2, characterized in that: a heat dissipation opening (17) is formed in the upper end of the left portion of the main machine (19), and a storage battery (18) is fixedly mounted on the right side of the heat dissipation opening (17).

4. The movable blackboard with blackboard eraser according to claim 1, characterized in that: the resistance screen (6), the host (19), the switch (10), the loudspeaker (12) and the storage battery (18) are electrically connected, and the signal output end of the switch (10) is connected with the signal input ends of the resistance screen (6) and the host (19).