CN206344605U

CN206344605U - A kind of health type blackboard eraser

Info

Publication number: CN206344605U
Application number: CN201621130542.1U
Authority: CN
Inventors: 张津睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-10-18
Filing date: 2016-10-18
Publication date: 2017-07-21
Anticipated expiration: 2026-10-18

Abstract

A kind of health type blackboard eraser, the utility model is related to teaching equipment technical field, and the bottom left and right sides of plate is equipped with one group of fulcrum bar component, and every group of fulcrum bar component is made up of two symmetrically arranged poles and the axle being connected on pole；Described dry drum is located on one group of fulcrum bar component in left side, and wet roller is located on one group of fulcrum bar component on right side；Described portable plate is arranged between dry drum and wet roller, and the upper end of portable plate is spun by hinge with plate, and the lower end of portable plate is provided with wiping sponge block；One end of described spring and the left side upper end of portable plate are connected, and the bottom of its other end and plate is connected；Described dry drum is constituted with wet roller by inner cylinder and water-absorbing sponge cylinder；The outer cover of inner cylinder is provided with water-absorbing sponge cylinder.The problem of flying upward of chalk dust in teaching process is can solve the problem that, improves teaching environment, the probability of dust harm to the human body is reduced, practicality is stronger.

Description

A kind of health type blackboard eraser

Technical field

The utility model is related to teaching equipment technical field, and in particular to a kind of health type blackboard eraser.

Background technology

Blackboard eraser is the letter written with chalk write on blackboard wiping, existing blackboard eraser due to the moistening without moisture, Cause when wiping, dust from flying is used for a long time and easily causes healthy hidden danger to the body of Faculty and Students, while existing black Blackboard eraser there are problems that wiping not, it would be highly desirable to improve.

Utility model content

The purpose of this utility model is that defect and deficiency for prior art, there is provided one kind is simple in construction, is designed and closed Reason, health type blackboard eraser easy to use, can solve the problem that the problem of flying upward of chalk dust in teaching process, improve teaching environment, The probability of dust harm to the human body is reduced, practicality is stronger.

To achieve the above object, the technical solution adopted in the utility model is：It comprising plate, pole, axle, dry drum, Wipe sponge block, wet roller, portable plate, spring, hinge；The bottom left and right sides of plate is equipped with one group of fulcrum bar component, every group Fulcrum bar component is made up of two symmetrically arranged poles and the axle being connected on pole；Described dry drum is located in the one of left side On group fulcrum bar component, wet roller is located on one group of fulcrum bar component on right side；Described portable plate is arranged on dry drum and wet rolling Between cylinder, and the upper end of portable plate is spun by hinge with plate, and the lower end of portable plate is provided with wiping sponge block；Described spring One end and the left side upper end of portable plate connect, the bottom of its other end and plate is connected；Described dry drum and wet roller are equal It is made up of inner cylinder and water-absorbing sponge cylinder；The outer cover of inner cylinder is provided with water-absorbing sponge cylinder；Described dry drum, wipe sponge block and The lower surface of wet roller is in same horizontal line.

Further, the upper end of described pole is plugged in the slot of plate bottom, and the plate left and right sides and branch The screw being engaged with slot is equipped with bar, pole passes through bolt and plate detachable connection.

Further, the outside bag of described water-absorbing sponge cylinder is provided with layer of cloth.

Further, the top of described plate is provided with and shaken hands.

Further, the diameter of inner cylinder is more than the diameter of inner cylinder in dry drum in described wet roller.

After said structure, the utility model has the beneficial effect that：A kind of health type blackboard eraser described in the utility model, The problem of flying upward of chalk dust in teaching process is can solve the problem that, improves teaching environment, the probability of dust harm to the human body is reduced, it is real Stronger with property, the utility model has simple in construction, and it is reasonable to set, the advantages of low manufacture cost.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is polycrystalline substance schematic diagram of the present utility model.

Fig. 3 is Fig. 1 left view.

Fig. 4 is the structural representation of dry drum in the utility model.

Fig. 5 is the connection diagram of the utility model mesoplate and portable plate.

Description of reference numerals：

Plate 1, pole 2, axle 3, dry drum 4, wiping sponge block 5, wet roller 6, portable plate 7, spring 8, hinge 9, inner cylinder 10th, water-absorbing sponge cylinder 11, layer of cloth 12, slot 13, screw 14, bolt 15.

Embodiment

The utility model is further described below in conjunction with the accompanying drawings.

Referring to as Figure 1-Figure 5, the technical scheme that present embodiment is used is：It includes plate 1, pole 2, axle 3rd, dry drum 4, wiping sponge block 5, wet roller 6, portable plate 7, spring 8, hinge 9；Described plate 1 is used with portable plate 7 Wood materials are made, and the bottom left and right sides of plate 1 is equipped with one group of fulcrum bar component, and every group of fulcrum bar component is symmetrical arranged by two Pole 2 and the axle 3 that is connected on pole 2 constitute, one end of axle 3 is connected by wood glue with pole 2；Described dry milling Cylinder 4 is located on one group of fulcrum bar component in left side, and wet roller 6 is located on one group of fulcrum bar component on right side；Described portable plate 7 It is arranged between dry drum 4 and wet roller 6, and the upper end of portable plate 7 is spun by hinge 9 with plate 1, the lower end of portable plate 7 Wiping sponge block 5 is bonded with by glue；One end of described spring 8 is connected with the left side upper end of portable plate 7, its other end It is connected with the bottom of plate 1 (two ends of spring 8 are worn be connected in portable plate 7 and plate 1 after, utilize wood glue filling to fix)；It is described Dry drum 4 and wet roller 6 constituted by inner cylinder 10 and water-absorbing sponge cylinder 11；Described inner cylinder 10 is made of stainless steel, interior The outer cover of cylinder 10 is provided with water-absorbing sponge cylinder 11；Described dry drum 4, wipe sponge block 5 and the lower surface of wet roller 6 is located In in same horizontal line；The upper end of described pole 2 is plugged in the slot 13 of the bottom of plate 1, and the left and right sides of plate 1 with And the screw 14 being engaged with slot 13 is equipped with pole 2, pole 2 passes through bolt 15 and the detachable connection of plate 1；It is described The outside bag of water-absorbing sponge cylinder 11 be provided with layer of cloth 12, help to slow down the outflow of moisture in water-absorbing sponge cylinder 11；Described plate The top of block 1 is provided with 16, convenient operation of shaking hands.

Further, the external diameter of described wet roller 6 and dry drum 4 is 50mm.

Further, the external diameter of inner cylinder is 20mm in described dry drum 4, and internal diameter is 10mm.

Further, the external diameter of inner cylinder is 40mm in described wet roller 6, and internal diameter is 10mm.

The operation principle of present embodiment：The certain moisture of injection in water-absorbing sponge cylinder 11 in wet roller 6, During blackboard wiping, shake hands 16, overall will drive to the right, now dry drum 4, wipe sponge block 5 and wet roller 6 and blackboard Contact, portable plate 7 is close to the moisture extrusion part in dry drum 4, wet roller 6, in the rotation and translational motion of wet roller 6 Under effect, the writing on blackboard is wiped, while wiping sponge block 5 can wipe the part wiped again one time, in dry drum 4 Water-absorbing sponge 11 absorb and wipe across moisture on rear blackboard, it is to avoid the normal writing of moisture influence；It is living when entirety is driven to the left Dynamic plate 7 is close in the presence of spring 8 with wet roller 6, the moisture in wet roller 6 is extruded, similarly erasing out handwriting；Due to this Inner cylinder external diameter in embodiment in wet roller 6 is 40mm, and external diameter is the water-absorbing sponge in 50mm, so wet roller 6 Cylinder 11 and the general thickness of layer of cloth 12 are that the moisture stored in 10mm, water-absorbing sponge cylinder 11 will not be too many, it is to avoid excess moisture is wet Moisten blackboard, cause blackboard normally to write；Due in wiping process, moisture is brought into, it is to avoid during wiping chalk dust flies Raise.

After said structure, present embodiment has the beneficial effect that：One kind health described in present embodiment Type blackboard eraser, can solve the problem that the problem of flying upward of chalk dust in teaching process, improves teaching environment, reduce dust harm to the human body Probability, practicality is stronger, and the utility model has simple in construction, sets reasonable, the advantages of low manufacture cost.

It is described above, only to illustrate the technical solution of the utility model and unrestricted, those of ordinary skill in the art couple Other modifications or equivalent substitution that the technical solution of the utility model is made, without departing from technical solutions of the utility model Spirit and scope, all should cover among right of the present utility model.

Claims

1. a kind of health type blackboard eraser, it is characterised in that：It includes plate, pole, axle, dry drum, wiping sponge block, wet rolling Cylinder, portable plate, spring, hinge；The bottom left and right sides of plate is equipped with one group of fulcrum bar component, and every group of fulcrum bar component is right by two The pole set and the axle being connected on pole is claimed to constitute；Described dry drum is located on one group of fulcrum bar component in left side, wet Roller is located on one group of fulcrum bar component on right side；Described portable plate is arranged between dry drum and wet roller, and portable plate Upper end spun by hinge with plate, the lower end of portable plate is provided with wiping sponge block；One end of described spring and portable plate The connection of left side upper end, the bottom of its other end and plate is connected；Described dry drum is with wet roller by inner cylinder and water suction sea Continuous cylinder is constituted；The outer cover of inner cylinder is provided with water-absorbing sponge cylinder；Described dry drum, the lower surface for wiping sponge block and wet roller It is in same horizontal line.

2. a kind of health type blackboard eraser according to claim 1, it is characterised in that：The upper end of described pole is plugged in plate In the slot of block bottom, and the screw being engaged with slot is equipped with the plate left and right sides and pole, pole passes through bolt With plate detachable connection.

3. a kind of health type blackboard eraser according to claim 1, it is characterised in that：The outside bag of described water-absorbing sponge cylinder Provided with layer of cloth.

4. a kind of health type blackboard eraser according to claim 1, it is characterised in that：The diameter of inner cylinder in described wet roller More than the diameter of inner cylinder in dry drum.

5. a kind of health type blackboard eraser according to claim 1, it is characterised in that：The top of described plate is provided with and held Hand.