CN209079519U

CN209079519U - A kind of blackboard eraser

Info

Publication number: CN209079519U
Application number: CN201821713872.2U
Authority: CN
Inventors: 罗帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2019-07-09
Anticipated expiration: 2028-10-22

Abstract

The utility model belongs to teaching facilities appliance technology, more particularly to a kind of blackboard eraser, it includes blackboard eraser body, blackboard eraser body includes grip and the first wiping surface, first wiping surface is laid on the wherein side of grip, grip is internally provided with cavity, and the water outlet for adding the water inlet of water into cavity and being connected to cavity is provided in grip, and water outlet is located at the side that the first wiping surface is arranged in grip.When using the blackboard eraser, user can be poured into water in the cavity of grip by water inlet, water in cavity can be infiltrated on the first wiping surface of blackboard eraser by water outlet, the first wiping surface containing water is wiped on blackboard, the case where dust from flying generated when wiping blackboard can effectively be reduced, is endangered to reduce by dust bring.

Description

A kind of blackboard eraser

Technical field

The utility model belongs to teaching facilities appliance technology, and in particular to a kind of blackboard eraser.

Background technique

Blackboard and blackboard eraser are essential facilities in teaching, and after use, user needs using blackboard eraser blackboard Blackboard-cleaning is clean, and present blackboard mostly uses greatly manually blackboard eraser, keeps the work of wiping time-consuming and laborious, is also easy to do Classroom dust from flying, the long-term dust that sucks is to the health of student and teacher and its unfavorable, or even causes the occupation of teacher Disease；In addition, the small volume of blackboard eraser, so that wiping work becomes more inconvenient close, and is easy to cause blackboard eraser to be easy to lose It loses, therefore it provides a kind of blackboard eraser for reducing dust in wiping process, is that those skilled in the art's technology urgently to be resolved is asked Topic.

Utility model content

In order to solve the above problems existing in the present technology, the utility model provides a kind of blackboard eraser, to solve existing skill The technical issues of there are blackboard erasers when wiping blackboard in art, leads to dust from flying.

The utility model implements by the following technical programs:

A kind of blackboard eraser, including blackboard eraser body, the blackboard eraser body include grip and the first wiping surface, and described One wiping surface is laid on the wherein side of the grip, and the grip is internally provided with cavity, and in the grip It is provided with the water outlet for adding the water inlet of water into the cavity and being connected to the cavity, the water outlet is located at described grab The side of first wiping surface is arranged in hand.

In order to preferably realize the utility model, make further optimization in said structure, which further includes setting It is equipped with the cleaning block of the second wiping surface, second wiping surface and first wiping surface are in the same plane, and the cleaning block is logical It crosses the articulation piece to connect with the grip, so that the cleaning block is turned to the grip around the articulation piece and deviate from The side of first wiping surface.

In order to preferably realize the utility model, make further optimization in said structure, the quantity of the cleaning block has Two, and two cleaning blocks pass through the arranged on left and right sides that articulation piece is rotatably arranged on the grip respectively.

In order to preferably realize the utility model, make further optimization in said structure, the grip with it is described The fixation device of restricted cleaning block rotation is set between cleaning block.

In order to preferably realize the utility model, make further optimization in said structure, the fixed device is phase The snap close piece mutually fastened.

In order to preferably realize the utility model, make further optimization in said structure, the fixed device is magnetic Iron.

In order to preferably realize the utility model, makees further optimization in said structure, be arranged in the grip There is the connector for connecting with blackboard.

In order to preferably realize the utility model, make further optimization, the quantity of the connector in said structure It is two, two connectors are separately positioned on the upper and lower two sides of the grip, the free end point of two connectors The upper/lower terminal of blackboard is not set.

In order to preferably realize the utility model, make further optimization in said structure, which further includes sliding Rail, the quantity of the sliding rail are two, and two sliding rails are separately positioned on the upper/lower terminal of blackboard, two connectors Free end be slidably arranged on two sliding rails respectively.

In order to preferably realize the utility model, make further optimization in said structure, the connector is spiral Spring.

In conclusion the utility model has following technical effect that

When using the blackboard eraser, user can be poured into water in the cavity of grip by water inlet, the water in cavity It can be infiltrated by water outlet on the first wiping surface of blackboard eraser, the first wiping surface containing water is wiped on blackboard, it can be with The case where effectively reducing the dust from flying generated when wiping blackboard is endangered to reduce by dust bring.

In addition, the prioritization scheme of the utility model also has following technical effect that

The blackboard eraser further includes cleaning block, which can effectively increase the erasing area of the blackboard eraser, thus effectively User is improved in the efficiency for making blackboard eraser wiping blackboard.

It is additionally provided with connector in the grip, which can be such that blackboard eraser is fixed on blackboard, to avoid black The case where blackboard eraser is lost.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of blackboard eraser of the utility model；

Fig. 2 is the explosive view of blackboard eraser body in a kind of blackboard eraser of the utility model；

Fig. 3 is the structural schematic diagram of blackboard eraser body in a kind of blackboard eraser of the utility model.

Appended drawing reference:

1, blackboard eraser body；11, grip；12, the first wiping surface；2, cleaning block；21, the second wiping surface；3, water inlet；4, Water outlet；5, fixed device；6, connector；7, blackboard；8, sliding rail.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

Embodiment one:

A kind of blackboard eraser, including blackboard eraser body 1, blackboard eraser body 1 include grip 11 and the first wiping surface 12, first Wiping surface 12 is laid on the wherein side of grip 11, and grip 11 is internally provided with cavity, and is provided in grip 11 The water outlet 4 for adding the water inlet 3 of water into cavity and being connected to cavity, water outlet 4 are located at first wiping of the setting of grip 11 The side in face 12.

By a kind of blackboard eraser of above structure, when in use, water can be poured into grip 11 by water inlet 3 by user Cavity in, then closed on water inlet 3 using cover cap, the water to prevent the water in cavity by 3 mouthfuls of leakages of water inlet, in cavity It can be infiltrated by water outlet 4 on first wiping surface 12 of blackboard eraser, the first wiping surface 12 containing water is wiped on blackboard 7 The case where wiping, can effectively reducing the dust from flying generated when wiping blackboard 7 is endangered to reduce by dust bring.

Optimization, which further includes cleaning block 2, and the second wiping surface 21, and the second wiping surface 21 are provided in the cleaning block 2 In the same plane with the first wiping surface 12, when keeping the first wiping surface 12 in running order, the second wiping surface 21 also can Blackboard 7 is touched, plays the role of wiping blackboard 7, to increase the erasing area of the blackboard eraser, makes the use of the blackboard eraser more The convenience added.

Optimization, which is rectangle structure.

Preferably, which is arranged in grip 11 by articulation piece, rotates the cleaning block 2 around articulation piece.

Specifically, the cleaning block 2 is connect with grip 11 away from the edge of 12 side of the first wiping surface by articulation piece, make this Cleaning block 2 can turn to the side that grip 11 deviates from the first wiping surface 12 around articulation piece when not in use, to keep this black Blackboard eraser can arbitrarily change the erasing area of the blackboard eraser according to the demand of user.

Preferably, there are two the quantity of above-mentioned cleaning block 2, and two cleaning blocks 2 be separately positioned on blackboard eraser body 1 a left side, Right two sides, two cleaning blocks 2 can turn to the side that blackboard eraser body 1 deviates from the first wiping surface 12 around articulation piece.

Wherein, the area equation of the area of the first wiping surface 12 and the second wiping surface 21.

Optimization, the fixation device 5 that restricted cleaning block 2 rotates is set between above-mentioned grip 11 and cleaning block 2；Work as use When person is not needed using cleaning block 2, cleaning block 2 can be turned to blackboard eraser body 1 away from the first wiping around articulation piece by user The side in face 12, and it is fixed by fixed device 5, to effectively prevent cleaning block 2 from shaking in blackboard eraser body 1；Work as use When person is needed using the cleaning block 2, user can open fixed device 5, rotate the cleaning block 2 around articulation piece, Keep the first wiping surface 12 and the second wiping surface 21 in the same plane, to increase the erasing area of the blackboard eraser, keeps this black It is more convenient to use for blackboard eraser.

Preferably, which is snap close piece, and snap close piece can be set in the upper and lower of cleaning block 2 and blackboard eraser body 1 Two sides can play the role of locking cleaning block 2 by the snap close piece, to effectively prevent cleaning block 2 from shaking in blackboard eraser body 1 It is dynamic.

It is furthermore preferred that the fixation device 5 is magnet, cleaning block 2 is provided with magnet, blackboard away from the side of the second wiping surface 21 It wipes ontology 1 and is also equipped with magnet away from the side of the first wiping surface 12；When cleaning block 2 turns to blackboard eraser body 1 around articulation piece When away from the side of the first wiping surface 12, the magnet in cleaning block 2 is mutually adsorbed with the magnet in blackboard eraser body 1, to play The effect of fixed cleaning block 2.

It is made in addition, the metal material that can be adsorbed with magnet can be used in grip 11, such as iron, nickel and cobalt etc., It is provided with magnet in cleaning block 2, when making cleaning block 2 turn to blackboard eraser body 1 to deviate from the side of the first wiping surface 12, in cleaning block 2 Magnet can be adsorbed in grip 11, to play the role of fixed cleaning block 2；Alternatively, can be used can be with magnet for cleaning block 2 The metal material of absorption is made, and is provided with magnet in blackboard eraser body 1, and cleaning block 2 is made to turn to blackboard eraser body 1 away from first When the side of wiping surface 12, magnet can be adsorbed with cleaning block 2, to play the role of fixed cleaning block 2.

Embodiment two:

As advanced optimizing for above-described embodiment, it is provided with connector 6 in above-mentioned grip 11, the grip 11 is logical It crosses connector 6 to be fastened on blackboard 7, and the connector 6 has elasticity, can effectively avoid the blackboard eraser that from can not moving To more than the region of the length of connector 6 the case where being wiped, the connector 6 avoid the case where blackboard eraser is lost hair It is raw.

Optimization, there are two the quantity of above-mentioned connector 6, and two connectors 6 are separately positioned on the upper and lower of grip 11 Two sides, and the free end of two connectors 6 is then connect with the upper edge of blackboard 7 and lower edge respectively, to further play fixation The effect of blackboard eraser body 1.

Optimization, which further includes sliding rail 8, and there are two the quantity of sliding rail 8, and two sliding rails 8 be separately positioned on it is black The length direction of the upper edge of plate 7 and lower edge, sliding rail 8 is parallel with the length direction of blackboard 7, and the free end of above-mentioned connector 6 is then It is slidably arranged on sliding rail 8；When user is when wiping blackboard 7 using the blackboard eraser, the free end of connector 6 can edge Sliding rail 8 it is mobile, so that the blackboard eraser be made not have the appearance at the dead angle that can not be wiped during wiping blackboard 7, into And makes the blackboard eraser it is more convenient to use.

Preferably, above-mentioned connector 6 is the flexible materials such as helical spring or rubber band.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.

Claims

1. a kind of blackboard eraser, including blackboard eraser body (1), the blackboard eraser body (1) includes grip (11) and the first wiping Face (12), first wiping surface (12) are laid on the wherein side of the grip (11), it is characterised in that: the grip (11) be internally provided with cavity, and be provided in the grip (11) into the cavity plus the water inlet (3) of water and The water outlet (4) being connected to the cavity, the water outlet (4) are located at the grip (11) and first wiping surface are arranged (12) side.

2. blackboard eraser according to claim 1, it is characterised in that: further include the cleaning block for being provided with the second wiping surface (21) (2), second wiping surface (21) and first wiping surface (12) are in the same plane, and the cleaning block (2) passes through hinged Part is connect with the grip (11), makes the cleaning block (2) that can turn to the grip (11) back around the articulation piece Side from first wiping surface (12).

3. blackboard eraser according to claim 2, it is characterised in that: there are two the quantity of the cleaning block (2), and two cleaning blocks (2) arranged on left and right sides of the grip (11) is rotatably arranged on by articulation piece respectively.

4. blackboard eraser according to claim 3, it is characterised in that: set between the grip (11) and the cleaning block (2) It is equipped with the fixation device (5) of limitation cleaning block (2) rotation.

5. blackboard eraser according to claim 4, it is characterised in that: the fixed device (5) is the snap close piece mutually fastened.

6. blackboard eraser according to claim 4, it is characterised in that: the fixed device (5) is magnet.

7. blackboard eraser according to claim 6, it is characterised in that: be provided on the grip (11) with telescopic action And the connector (6) for being connected to blackboard (7) edge.

8. blackboard eraser according to claim 7, it is characterised in that: the quantity of the connector (6) is two, described in two Connector (6) is separately positioned on the upper and lower two sides of the grip (11), and the free end of two connectors (6) is set respectively Set the upper edge in blackboard (7) and lower edge.

9. blackboard eraser according to claim 8, it is characterised in that: further include sliding rail (8), the quantity of the sliding rail (8) is Two, two sliding rails (8) are separately positioned on upper edge and the lower edge of blackboard (7), the free end point of two connectors (6) It is not slidably arranged on two sliding rails (8).

10. blackboard eraser according to any one of claims 7 to 9, it is characterised in that: the connector (6) is spiral bullet Spring.