CN202389065U

CN202389065U - Multipurpose dust-absorbing blackboard eraser

Info

Publication number: CN202389065U
Application number: CN2011205086674U
Authority: CN
Inventors: 王有为
Original assignee: Dalian Vocational and Technical College
Current assignee: Dalian Vocational and Technical College
Priority date: 2011-12-08
Filing date: 2011-12-08
Publication date: 2012-08-22
Anticipated expiration: 2021-12-08

Abstract

The utility model provides a multipurpose dust-absorbing blackboard eraser which comprises a rectangular board body, wherein the rectangular board body is of a hollow structure and is internally provided with a transverse baffle plate, the baffle plate divides the inside of the board body into two equal cavities, a cleaner is arranged in the lower cavity of the board body, the bottom surface of the board body is provided with multiple dust-absorbing holes and brushes are arranged on the periphery of the dust-absorbing holes; a surrounding edge is arranged on the position at the periphery of the board body corresponding to the lower cavity, and the height of the surrounding edge is greater than that of the brushes; a drawer is arranged on the inside of the upper cavity; the top surface of the board body is provided with a handle and an electronic watch, and a heating device is arranged in the handle. When the eraser is used, the cleaner of the lower cavity of the board body and the surrounding edge can effectively prevent dusts from flying when teachers and students erase board writing on the surface of the blackboard; and the heating device in the handle can warm hands in the cold winter. The multipurpose dust-absorbing blackboard eraser provided by the utility model has advantages that the multipurpose dust-absorbing blackboard eraser has simple structure, is simple to use, is given new function for the blackboard eraser and provides more convenience for teachers and students.

Description

Use dust absorption blackboard eraser more

Technical field the utility model relates to a kind of teaching aid, especially a kind of dust absorption blackboard erasers of using more.

Background technology is well-known, and blackboard eraser is one of requisite articles for use in the middle of the teaching, but existing blackboard eraser regular meeting in the process that erases the board causes the chalk break flour to fly upward everywhere; Health to the academics and students causes great harm, and in order to solve such problem, people have designed the black wiping of dust suction; But existing dust absorption blackboard eraser function singleness; The function of being convenient to take the time is not provided, the function of storing the chalk head is not provided, and existing dust absorption blackboard eraser does not provide the function of warming hand; Can not be in the effect of the warm hand of cold performance in winter, these have brought inconvenience all for teachers and students' use.

The purpose of summary of the invention the utility model is to provide a kind of dust absorption blackboard erasers of using that store chalk head, storing, warm hand function that have concurrently more, to solve existing dust absorption blackboard eraser function singleness, can not satisfy the problem that teachers and students use needs.

The utility model comprises the rectangle plate body; Plate body is a hollow structure; Inside at plate body is provided with lateral partitions, and dividing plate is divided into big cavitys such as two with the inside of plate body, is provided with dust catcher in the lower cavity inside of plate body; Be provided with a plurality of air suction openings in the bottom surface of plate body, and be provided with bristle at the periphery of air suction opening; Position in the peripheral corresponding lower cavity of plate body is provided with surrounding edge, and the height of surrounding edge is greater than the length of bristle; Inside in the plate body upper chamber is provided with drawer; End face at plate body is provided with handle and electronic watch, and is provided with heater in the inside of handle; Heater is composed in series by heating plate, battery and switch.

After adopting said structure, during use, the dust catcher of plate body lower cavity and surrounding edge can prevent teachers and students' dust from flying when wiping the writing on the blackboard on blackboard surface effectively; In the drawer of plate body upper chamber, make things convenient for instructors to store the chalk head; The electronic watch of plate body end face makes things convenient for instructors to take the time, with convenient adjustment teaching process; Heater in the handle can be in the effect of the warm hand of performance in the winter of cold.

The utility model has the advantages that: simple in structure, easy to use, given blackboard eraser new function, bring greater convenience for teachers and students' use.

Description of drawings Fig. 1 is the schematic perspective view of the utility model.

The specific embodiment is in many schematic perspective views with dust absorption blackboard eraser shown in Figure 1; Comprise rectangle plate body 1, plate body is a hollow structure, is provided with lateral partitions 2 in the inside of plate body; And dividing plate is divided into big cavitys such as two with the inside of plate body; Lower cavity inside at plate body is provided with dust catcher 3, is provided with a plurality of air suction openings 4 in the bottom surface of plate body, and is provided with bristle 5 at the periphery of air suction opening; Position in the peripheral corresponding lower cavity of plate body is provided with surrounding edge 6, and the height of surrounding edge is greater than the length of bristle; Be provided with drawer 7 in the inside of plate body upper chamber; End face at plate body is provided with handle 8 and electronic watch 9, and is provided with heater 10 in the inside of handle; Heater is composed in series by heating plate, battery and switch; When wiping the writing on the blackboard on blackboard surface, can hold handle, bristle is closely contacted with the plate face of blackboard; Bristle is moved around at the plate face of blackboard; And launch the dust catcher in the plate body lower cavity, can be with the writing on the blackboard wiped clean of blackboard panel, and can prevent flying upward of dust; Instructors clipboard postscript, the chalk head that stays can be placed in the drawer of plate body upper chamber, places with the convenient chalk head is concentrated; The electronic watch of plate body end face makes things convenient for instructors to grasp instructional blocks of time; The heater that handle is inner also can play the effect of warming hand in the winter of cold.

Claims

1. use dust absorption blackboard eraser one kind more; Comprise the rectangle plate body, it is characterized in that: plate body is a hollow structure, is provided with lateral partitions in the inside of plate body; And dividing plate is divided into big cavitys such as two with the inside of plate body; Lower cavity inside at plate body is provided with dust catcher, is provided with a plurality of air suction openings in the bottom surface of plate body, and is provided with bristle at the periphery of air suction opening; Position in the peripheral corresponding lower cavity of plate body is provided with surrounding edge, and the height of surrounding edge is greater than the length of bristle; Inside in the plate body upper chamber is provided with drawer; End face at plate body is provided with handle and electronic watch, and is provided with heater in the inside of handle.

2. according to claim 1ly a kind ofly use dust absorption blackboard eraser, it is characterized in that: heater is composed in series by heating plate, battery and switch more.