CN211251996U

CN211251996U - White board eraser

Info

Publication number: CN211251996U
Application number: CN201921986397.0U
Authority: CN
Inventors: 贾道
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-14
Anticipated expiration: 2029-11-15

Abstract

The utility model is suitable for a teaching articles for use field provides a whiteboard eraser, include: the box body is provided with an accommodating cavity and a first liquid injection port; the solution tank is accommodated in the accommodating cavity, is provided with a second liquid injection port communicated with the first liquid injection port, and is provided with a first liquid outlet at the bottom; the cotton brush cover is movably connected with the box body and is provided with a second liquid outlet communicated with the first liquid outlet; the first elastic piece is arranged between the cotton brush cover and the box body and provides pre-tightening force for the cotton brush cover to move away from the box body; the solution release switch is arranged between the cotton brush cover and the solution tank and used for closing or opening the first liquid outlet, and when the cotton brush cover moves towards the direction close to the box body, the solution release switch opens the first liquid outlet; the cotton brush, the part inlays in the one side that deviates from the box body of cotton brush lid and is located the one end of second liquid outlet. The blackboard eraser is simple in structure, simple, convenient and reliable to operate for releasing solution, all the structures are contained in the blackboard eraser, and the consistency of the original structure and the whole outside of the blackboard eraser can be kept.

Description

White board eraser

Technical Field

The utility model belongs to the teaching articles for use field especially relates to a whiteboard eraser.

Background

The whiteboard has a great deal of advantage for the blackboard, if the whiteboard uses is oily pen, can not produce the dust like the blackboard when needing to clean, in addition, the whiteboard uses and can also use the sanitizer to clean the whiteboard for the writing can be accomplished and clear away, and the blackboard can only adopt alone to clean the cotton and clean, leaves the writing easily after the repetitious usage, leads to the presentation effect of typeface unclear. The existing whiteboard eraser is used separately from the reagent, and the reagent is compatible in the whiteboard eraser, and the release and stop of the reagent are controlled by a switch. The structure that the reagent is compatible with the whiteboard eraser is adopted, some structures are complex, so that the cost is high, the operation is complex, and the integral structure of the original whiteboard eraser is changed, so that the exterior of the whiteboard eraser is not attractive.

SUMMERY OF THE UTILITY MODEL

The utility model provides a whiteboard eraser aims at solving the technical problem that the structure is complicated among the prior art, and complex operation and the exterior structure who changes whiteboard eraser lead to the outside whole uniformity difference.

The utility model discloses a realize like this, a whiteboard eraser, include:

the box body is provided with an accommodating cavity and a first liquid injection port;

the solution tank is accommodated in the accommodating cavity, is provided with a second liquid injection port communicated with the first liquid injection port, and is provided with a first liquid outlet at the bottom;

the cotton brush cover is movably connected with the box body and is provided with a second liquid outlet communicated with the first liquid outlet;

the first elastic piece is arranged between the cotton brush cover and the box body and provides pre-tightening force for the cotton brush cover to move away from the box body;

the solution release switch is arranged between the cotton brush cover and the solution tank and used for closing or opening the first liquid outlet, and when the cotton brush cover moves towards the direction close to the box body, the solution release switch opens the first liquid outlet;

the cotton brush, the part inlays in the one side that deviates from the box body of cotton brush lid and is located the one end of second liquid outlet.

Further, the solution release switch includes:

the telescopic rod is movably arranged at the first liquid outlet, and one end of the telescopic rod is fixed on the cotton brush cover;

the plug is arranged at the other end of the telescopic rod and positioned in the solution tank, and can close or open the first liquid outlet;

the second elastic piece is sleeved on the telescopic rod and located between the solution tank and the cotton brush cover, and provides pre-tightening force for the plug to cling to the bottom wall of the solution tank to seal the first liquid outlet.

Further, the cotton brush cover is internally of a hollow structure, a partition plate is arranged in the middle of the cotton brush cover, the second liquid outlet is formed in the partition plate, the cotton brush and the telescopic rod are respectively arranged on two opposite sides of the partition plate, and the sectional area of the telescopic rod is larger than the inner diameter of the second liquid outlet.

Further, the bottom of box body is open structure, and the bottom inner wall of box body extends to the center of box body and forms first flange, and one side that cotton brush lid deviates from the cotton brush outwards extends and forms the second flange, and cotton brush lid imbeds in the box body and second flange and first flange looks butt, and first elastic component is arranged in the box body and both ends respectively with second flange, box body top looks butt.

Furthermore, the box body comprises a shell and a cover body covering the shell, the bottom of the shell is provided with an opening, the first flange is arranged on the shell, the edge of the upper end of the solution tank is turned outwards to form a third flange, the third flange is abutted against the top of the shell, and a space for accommodating the first elastic piece is arranged between the solution tank and the box body.

Furthermore, a convex column extending towards the top of the box body is arranged on the second flange, the first elastic piece is sleeved on the convex column, and the convex column and the top of the box body are arranged at intervals.

Further, the second flange is externally coated with a sealing material, and a surface of the second flange is disposed in engagement with an inner wall of the housing.

Further, a seal is provided between the third flange and the cover.

Further, the lid is equipped with magnet, and the lid includes the epitheca and is connected fixed inferior valve with the epitheca laminating, and magnet inlays to be located between epitheca and the inferior valve.

Furthermore, the whiteboard eraser also comprises a plug cover for covering the first liquid injection port.

The beneficial effects of the utility model reside in that, through setting up swing joint's box body and cotton brush lid and locating the solution tank in the box body, the solution tank is equipped with first liquid outlet, set up the solution release switch who closes or open first liquid outlet between box body and cotton brush lid, first elastic component makes solution release switch close first liquid outlet all the time at initial state, through the relative motion between control cotton brush lid and the box body with control solution release switch first liquid outlet of punching card to the solution content of control cotton brush. The utility model provides a whiteboard eraser, simple structure, easy and simple to handle, reliable to release solution to all structures are all acceptd inside whiteboard eraser, can keep whiteboard eraser original structure and outside holistic uniformity.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of a whiteboard eraser provided by the present invention;

fig. 2 is an enlarged view at a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a whiteboard eraser, through setting up swing joint's box body and cotton brush lid and locate the box body with the solution tank, the solution tank is equipped with first liquid outlet, set up the solution release switch who closes or open first liquid outlet between box body and cotton brush lid, first elastic component makes solution release switch close first liquid outlet all the time at initial state, through the relative motion between control cotton brush lid and the box body with control solution release switch first liquid outlet of punching card to control the solution content of cotton brush. The utility model provides a whiteboard eraser, simple structure, easy and simple to handle, reliable to release solution to all structures are all acceptd inside whiteboard eraser, can keep whiteboard eraser original structure and outside holistic uniformity.

Example one

Referring to fig. 1-2, the whiteboard eraser provided in this embodiment comprises a box body 1, a solution tank 2, a cotton brush cover 3, a first elastic member 5, a cotton brush 6, and a plug cover 9. Wherein, the box body 1 is provided with a containing cavity 11 and a first liquid injection port 12, the plug cover 9 covers the first liquid injection port 12, the solution tank 2 is contained in the containing cavity 11, the solution tank 2 is provided with a second liquid injection port 21 communicated with the first liquid injection port 12, a first liquid outlet 23 is arranged at the bottom of the box body, a cotton brush cover 3 is movably connected with the box body 1, a second liquid outlet communicated with the first liquid outlet 23 is arranged on the cotton brush cover 3, a first elastic piece 5 is arranged between the cotton brush cover 3 and the box body 1 and provides pretightening force for the cotton brush cover 3 to move away from the box body 1, a solution release switch 4 is arranged between the cotton brush cover 3 and the solution box 2 and is used for closing or opening the first liquid outlet 23, when the cotton brush cover 3 moves towards the direction close to the box body 1, the solution release switch 4 opens the first liquid outlet 23, and the cotton brush 6 is partially embedded in one side of the cotton brush cover 3, which is far away from the box body 1, and is positioned at one end of the second liquid outlet 34.

The first pouring port 12 and the second pouring port 21 may be connected by a hose (not shown), so that the solution can be poured into the solution tank 2 from the first pouring port 12 from the outside of the case body 1. In the initial state, under the action of the first elastic element 5, the cotton brush cover 3 has a force moving in the direction away from the box body 1, when the solution needs to be released, the force is applied to the cotton brush cover 3 to move the cotton brush cover 3 in the direction close to the box body 1 and press the first elastic element 5, at this time, the solution release switch 4 opens the first liquid outlet 23 of the solution tank 2, and the solution flows from the first liquid outlet 23 to the cotton brush cover 3 and flows into the cotton brush 6 from the second liquid outlet 34.

In this embodiment, the number of the first liquid outlet 23 and the second liquid outlet 34 may be plural, so that the flow rate of the solution from the solution tank 2 and the flow rate of the solution into the cotton brush cover 3 can be increased.

It should be noted that the solution tank 2 is used for containing a cleaning agent, and may be water or alcohol.

Specifically, the solution release switch 4 includes a telescopic rod 41, a plug 42, and a second elastic member 43. The telescopic rod 41 is movably arranged at the first liquid outlet 23, one end of the telescopic rod is fixed to the cotton brush cover 3, the plug 42 is arranged at the other end of the telescopic rod 41 and is positioned in the solution tank 2 and can close or open the first liquid outlet 23, the second elastic member 43 is sleeved on the telescopic rod 41 and is positioned between the solution tank 2 and the cotton brush cover 3, and the second elastic member 43 provides pre-tightening force for the plug 42 to cling to the bottom wall of the solution tank 2 to close the first liquid outlet 23. The cotton brush cover 3 is moved towards the direction close to the box body 1, the cotton brush cover 3 can extrude the second elastic part 43, so that the plug 42 is far away from the solution box 2 to open the first liquid outlet 23, the force applied to the cotton brush cover 3 is cancelled, the cotton brush cover 3 is restored under the action of the first elastic part 5, and the plug 42 is restored under the action of the second elastic part 43.

In this embodiment, the plug 42 may be made of a soft rubber material, such as silica gel, or may be made of a hard material and then wrapped with a soft rubber material, so as to improve the sealing performance of the plug 42 to the first liquid outlet 23. The first elastic member 5 and the second elastic member 43 may employ a linear spring.

Specifically, the cotton brush cover 3 is internally hollow, the middle part of the cotton brush cover is provided with a partition 31, the second liquid outlet 34 is formed in the partition 31, the cotton brush 6 and the telescopic rod 41 are respectively arranged on two opposite sides of the partition 31, and the sectional area of the telescopic rod 41 is larger than the inner diameter of the second liquid outlet 34, so that the telescopic rod 41 can not penetrate through the partition 31. Set up baffle 31, when promoting cotton brush lid 3 and remove, can improve the bearing capacity that telescopic link 41 stability on cotton brush lid 3 and cotton brush lid 3 drove telescopic link 41 and remove.

Example two

On the basis of the first implementation, further, the bottom end of the box body 1 is of an open structure, the inner wall of the bottom end of the box body 1 extends towards the center of the box body 1 to form a first flange 13, one side of the cotton brush cover 3, which is far away from the cotton brush 6, extends outwards to form a second flange 32, the cotton brush cover 3 is embedded into the box body 1, the second flange 32 abuts against the first flange 13, the first elastic piece 5 is arranged in the box body 1, and two ends of the first elastic piece are respectively abutted against the second flange 32 and the top of the box body 1. The cotton brush cover 3 is embedded in the box body 1, so that the cotton brush cover 3 can move in the box body 1, and the first flange 13 and the second flange 32 are arranged, so that the cotton brush cover 3 can be prevented from being separated from the box body 1.

Wherein the second flange 32 is externally coated with a sealing material, such as a gel material, and the surface of the second flange 32 is disposed in engagement with the inner wall of the housing 1 a. The engagement setting means that the second flange 32 is in contact with the inner wall of the housing 1a and ensures sealing between the second flange 32 and the inner wall of the housing 1 a. Thus, on the one hand, the sealing between the cotton brush cover 3 and the box body 1 can be realized to prevent the solution flowing out from the first liquid outlet 23 from moving out from the position between the box body 1 and the cotton brush cover 3, on the other hand, the friction between the second flange 32 and the inner wall of the box body 1 can be increased, and the situation that the plug 42 opens the first liquid outlet 23 due to the fact that the cotton brush cover 3 moves towards the direction close to the box body 1 due to improper force application in the process of using the white board eraser is avoided, namely, in use, the force required for pressing the cotton brush cover 3 to release the solution needs to be stronger than the force required for wiping the white board eraser on a white board.

EXAMPLE III

On the basis of the second embodiment, further, the box body 1 comprises a shell 1a and a cover body 1b covering the shell 1a, the upper end edge of the solution tank 2 is turned outwards to form a third flange 22, the third flange 22 is placed between the shell 1a and the cover body 1b, and a space for accommodating the first elastic member 5 is arranged between the solution tank 2 and the box body 1. That is, the bottom of the case 1a is open, the first flange 13 is provided on the case 1a, one end of the first elastic member 5 abuts against the second flange 32, and the other end abuts against the top of the case 1 via the third flange 22. The third flange 22 can fix the solution tank 2 in the box body 1, and the box body 1 is provided with a shell 1a and a cover body 1b which are separated, so that the solution tank 2 and the cotton brush cover 3 can be conveniently installed.

In this embodiment, screw holes are provided at positions corresponding to the lid 1b, the case 1a, and the third flange 22, and the lid 1b, the case 1, and the solution tank 2 are fixed integrally by screws, wherein, in order to keep the outer consistency of the case 1, a countersunk hole may be provided in the lid 1b so that the head of the screw can be sunk into the countersunk hole.

Furthermore, the second flange 32 is provided with a convex column 33 extending towards the top of the box body 1, the first elastic element 5 is sleeved on the convex column 33, and the convex column 33 and the top of the box body 1 are arranged at intervals. Set up projection 33, can realize the direction and the location to first elastic component 5, avoid first elastic component 5 in use atress to appear warping and lead to life to descend, projection 33 sets up with box body 1 top interval, can guarantee that 6 brush lids of cotton brush do not produce when moving on box body 1 and interfere.

Further, a seal 7 is provided between the third flange 22 and the cover body 1 b. This enables the solution tank 2 and the lid body 1b to be sealed from each other, and prevents the solution from overflowing between the third flange 22 and the lid body 1 b.

Example four

In addition to any one of the first to third embodiments, the cover 1b is further provided with a magnet 8. Set up magnet 8, when not using the whiteboard eraser, can adsorb the whiteboard eraser on the blank, the personnel of being convenient for can find the whiteboard fast.

The cover body 1b comprises an upper shell 1b1 and a lower shell 1b2 which is fixedly jointed with the upper shell 1b1, and the magnet 8 is embedded between the upper shell 1b1 and the lower shell 1b 2. In this way, the magnet 8 can be provided inside the lid 1b, and the overall external consistency of the lid 1b can be maintained.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A whiteboard eraser, comprising:

and the cotton brush is partially embedded in one side of the cotton brush cover, which is deviated from the box body, and is positioned at one end of the second liquid outlet.

2. The whiteboard eraser of claim 1, wherein the solution release switch comprises:

the plug is arranged at the other end of the telescopic rod and is positioned in the solution tank, and the first liquid outlet can be closed or opened by the plug;

the second elastic piece is sleeved on the telescopic rod and located between the solution tank and the cotton brush cover, and provides pre-tightening force for the plug to cling to the bottom wall of the solution tank so as to seal the first liquid outlet.

3. The whiteboard eraser as defined in claim 2, wherein the cotton brush cover has a hollow structure therein, a partition is disposed in the middle of the cotton brush cover, the second fluid outlet is disposed in the partition, the cotton brush and the telescopic rod are disposed on opposite sides of the partition, respectively, and the cross-sectional area of the telescopic rod is larger than the inner diameter of the second fluid outlet.

4. The whiteboard eraser as recited in claim 1, wherein the bottom end of the case body is open, a first flange is formed by extending an inner wall of the bottom end of the case body toward a center of the case body, a second flange is formed by extending a side of the cotton brush cover away from the cotton brush, the cotton brush cover is embedded in the case body and the second flange abuts against the first flange, the first elastic member is disposed in the case body and two ends of the first elastic member abut against the second flange and a top of the case body, respectively.

5. The whiteboard eraser of claim 4, wherein the case body comprises a case body and a cover body covering the case body, the case body has an opening at the bottom, the first flange is provided on the case body, the upper end edge of the solution tank is turned outwards to form a third flange, the third flange abuts against the top of the case body, and a space for accommodating the first elastic member is provided between the solution tank and the case body.

6. The whiteboard eraser as defined in claim 4, wherein a convex pillar extending toward the top of the case is disposed on the second flange, the first elastic member is disposed on the convex pillar, and the convex pillar is spaced apart from the top of the case.

7. The whiteboard eraser of claim 5, wherein the second flange is overwrapped with a sealing material, a surface of the second flange being disposed in engagement with an inner wall of the housing.

8. The whiteboard eraser of claim 5, wherein a seal is disposed between the third flange and the cover.

9. The whiteboard eraser of claim 5, wherein the cover is provided with a magnet, the cover comprises an upper shell and a lower shell which is fixedly connected with the upper shell, and the magnet is embedded between the upper shell and the lower shell.

10. The whiteboard eraser of claim 1, further comprising a plug cap covering the first liquid injection port.