CN211222790U - Dust-proof blackboard eraser and dust-proof blackboard eraser assembly - Google Patents

Abstract

The utility model discloses a dust-proof blackboard wiper assembly and a dust-proof blackboard wiper, wherein the dust-proof blackboard wiper comprises: a wiper body structure and a dustproof cover, one side of the wiper body structure is provided with a hair wipe, the The dust cover is detachably enclosed on the wiper structure, and covers the bristles on the inner side of the dust cover. The dust-proof blackboard eraser provided by the utility model aims to solve the problems in the prior art that the blackboard eraser does not have a dust-proof function and the structure is complicated and is not conducive to popularization.

Description

Dust-proof blackboard eraser and dust-proof blackboard eraser assembly

technical field

The utility model relates to the technical field of teaching appliances, in particular to a dust-proof blackboard eraser and a dust-proof blackboard eraser assembly.

Background technique

The blackboard eraser is one of the necessary tools in modern teaching. The traditional blackboard eraser just puts the eraser body into a tin box or a plastic box. During use, the chalk ash falls off the blackboard, part of it sticks to the blackboard eraser, and part of it is scattered in the air. With the increase of the number of uses, it sticks to the blackboard eraser. The amount of chalk ash on the classroom is relatively constant, but the amount of chalk ash scattered in the classroom gradually increases. In the long run, chalk ash floating in the air has a potential impact on the health of teachers and students, especially the health of teachers. The accumulated dust will contaminate the podium, classroom walls, fluorescent lamps and projection equipment, etc., causing environmental pollution and depreciation of teaching equipment. Moreover, the scattered chalk dust will adhere to teachers' hands, clothes and hair, causing additional cleaning burden to teachers and cleaning staff. How to design a blackboard eraser with dust-proof function, simple structure and easy promotion is an urgent problem to be solved in the industry.

Utility model content

The utility model discloses a dust-proof blackboard eraser assembly and a dust-proof blackboard eraser, aiming at solving the problems in the prior art that the blackboard eraser has no dust-proof function and has a complicated structure and is not conducive to popularization.

For realizing the above-mentioned purpose, the dust-proof blackboard eraser that the utility model provides, comprises:

a wiper body structure, one side of the wiper body structure is provided with a hair wipe; and

A dust cover, the dust cover is detachably enclosed on the wiper structure, and the bristles are covered on the inner side of the dust cover.

Optionally, the dust cover comprises a cover body detachably surrounding the wiper structure, and a flexible sealing ring arranged at the end of the cover body, the cover body covering the outside the peripheral side of the brush.

Optionally, the cover body is configured as a flexible transparent plastic structure.

Optionally, the flexible sealing ring is configured as a felt ring, and the felt ring protrudes outside the rubbing end.

Optionally, the dust cover includes a first connection structure detachably connecting the cover body and the flexible sealing ring.

Optionally, the first connection structure includes a first sub-hair button provided at the end of the cover body, and a first female hair button provided on the flexible sealing ring, the first female button and the The first sub-hair buckle is detachably connected;

Or, the first connection structure includes a first female hair button provided at the end of the cover body, and a first female hair button provided on the flexible sealing ring, the first female hair button and the The first sub-hair buckle is detachably connected.

Optionally, the wiper structure includes a wiper body, the hair wiper is detachably connected to the wiper body, and the dust cover is connected to the wiper body.

Optionally, an end of the wiper body is provided with an installation groove, and a magnetic body is provided in the installation groove, and the magnetic body is used to adsorb the dust-proof blackboard wipe on the blackboard.

Optionally, the wiper body structure includes a second connection structure detachably connecting the hair wiper and the wiper body main body;

The second connection structure includes a second sub-hair button arranged on the end face of the main body of the wiper body, and a second female hair button arranged on the end face of the hair wiper, the second female button and the second sub-hair button Detachable connection of hair buckle;

Or, the second connection structure includes a second female hair button arranged on the end face of the main body of the wiper body, and a second female hair button arranged on the end face of the hair wiper, and the second female hair button is connected to the first female hair button. Erzi hair buckle detachable connection.

The utility model also provides a dust-proof blackboard eraser assembly, comprising a chalk ash collection box and a dust-proof blackboard eraser matched with the chalk ash collection box, the dust-proof blackboard eraser comprising:

a wiper body structure, one side of the wiper body structure is provided with a hair wipe; and

A dust cover, the dust cover is detachably enclosed on the wiper structure, and the bristles are covered on the inner side of the dust cover.

In the technical solution provided by the utility model, the dust-proof blackboard eraser includes a wiper body structure and a dust-proof cover. The dust cover is detachably enclosed on the wiper structure, and covers the bristles of the wiper structure on the inner side of the dust cover. In the process of wiping the blackboard with the dust-proof blackboard wiper, since the wiper body is surrounded by a dust cover, the chalk dust wiped off from the blackboard will be blocked by the dust cover and cannot be freely raised into the air to endanger the health of teachers and students. Compared with the traditional technology, due to the addition of a dust cover, the dust cover plays a role in preventing dust during the use of the blackboard eraser, so that the blackboard eraser has a dustproof function. Moreover, the dust-proof cover is arranged on the wiper body structure, so that the dust-proof blackboard wiper structure of the present invention is simple and easy to popularize.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained based on the structures shown in these drawings without any creative effort.

1 is a schematic diagram of the three-dimensional structure of the dust-proof blackboard eraser according to the embodiment of the present utility model;

FIG. 2 is a schematic structural schematic diagram of the main viewing angle of the dust-proof blackboard eraser according to the embodiment of the present invention in FIG. 1 .

Explanation of reference numerals

label name label name 1000 Dust-proof blackboard eraser 130 second connection structure 100 Wipe body structure 200 dust cover 110 body of wiper 210 cover body 111 Magnetic body 220 Flexible sealing ring 120 hair rub 230 first connection structure

The realization, functional characteristics and advantages of the purpose of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention, the directional indications are only used to explain a certain posture (such as the accompanying drawings). When the relative positional relationship, movement situation, etc. between the various components shown below), if the specific posture changes, the directional indication also changes accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for the purpose of description, and should not be construed as instructions or Implicit their relative importance or implicitly indicate the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the meaning of "and/or" in the whole text includes three parallel schemes. Taking "A and/or B" as an example, it includes scheme A, scheme B, or scheme satisfying both of A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model.

The blackboard eraser is one of the necessary tools in modern teaching. The traditional blackboard eraser just puts the eraser body into a tin box or a plastic box. During use, the chalk ash falls off the blackboard, part of it sticks to the blackboard eraser, and part of it is scattered in the air. With the increase of the number of uses, it sticks to the blackboard eraser. The amount of chalk ash on the classroom is relatively constant, but the amount of chalk ash scattered in the classroom gradually increases. In the long run, chalk ash floating in the air has a potential impact on the health of teachers and students, especially the health of teachers. The accumulated dust will contaminate the podium, classroom walls, fluorescent lamps and projection equipment, etc., causing environmental pollution and depreciation of teaching equipment. Moreover, the scattered chalk dust will adhere to teachers' hands, clothes and hair, causing additional cleaning burden to teachers and cleaning staff. How to design a blackboard eraser with dust-proof function, simple structure and easy promotion is an urgent problem to be solved in the industry.

In view of this, the present invention provides a dust-proof blackboard eraser assembly. The dust-proof blackboard eraser assembly includes a chalk dust collection box and a dust-proof blackboard eraser 1000 . The dust-proof blackboard eraser 1000 includes a wiper body structure 100 and a dust-proof cover 200 . The dust cover 200 can play a role in preventing dust from spreading into the air and affecting the health of teachers and students during the process of using the dust-proof blackboard eraser 1000 to wipe the blackboard. Since the dust cover 200 blocks the dust from spreading, after the process of wiping the blackboard is completed, a lot of chalk dust accumulates on the dust cover 200 , which is not conducive to the next use of the dust cover 200 . Therefore, the dust-proof blackboard eraser 1000 assembly is also provided with a chalk ash collection box, and the dust cover 200 that accumulates the chalk ash can be put into the chalk ash collection box to recover the chalk ash for the next use. In the accompanying drawings of this specification, FIG. 1 is a schematic diagram of the three-dimensional structure of the dust-proof blackboard eraser 1000 according to the embodiment of the present invention, and FIG. 2 is the main viewing angle structure of the dust-proof blackboard eraser 1000 according to the embodiment of the present invention in FIG. 1 . Schematic diagram.

As mentioned above, the dust-proof blackboard eraser 1000 includes the wiper body structure 100 and the dust-proof cover 200 . Specifically, please refer to FIG. 1 and FIG. 2 . A brush 120 is disposed on one side of the wiper structure 100 , and the dust cover 200 is detachably enclosed on the wiper structure 100 and covers the brush 120 inside the dust cover 200 . Further, the dust cover 200 includes a cover body 210 detachably surrounding the wiper structure 100 , and a flexible sealing ring 220 provided at the end of the cover body 210 . The cover body 210 covers the hair wiper 120 Outside the perimeter. It should be noted that, the cover body 210 cooperates with the flexible sealing ring 220 to achieve a better dustproof effect, and does not affect the normal use of the wiper structure 100 . Using the flexible sealing ring 220, when the wiper structure 100 is working, outsiders are required to exert force to move on the blackboard, and the sealing ring is arranged outside the hair wiper 120, and the sealing ring provided with the flexible material can be deformed under the action of external force, so as to avoid obstruction The normal operation of the wiper structure 100. Furthermore, the flexible sealing ring 220 can be set as a felt ring, and the felt ring protrudes outside the end of the brush 120 . Using felt as a sealing ring, on the one hand, utilizes its soft characteristics, and does not affect the normal operation of the wiping body structure 100 . On the other hand, the felt also has the advantages of bending and extending, and a large surface area. Installing the felt ring on the edge of the dust cover 200 can have a better effect of blocking chalk dust, and is more conducive to realizing the dustproof function of the dust cover 200 .

It should be noted that the cover body 210 can be made of a flexible transparent material structure, which can visualize the wiping process during the process of wiping the blackboard, and can clearly understand whether the blackboard has been wiped clean. In addition, through the cover body set with the flexible transparent material, the time when the chalk dust is raised can be grasped, and when it returns from the rise, the dust-proof blackboard eraser 1000 can be removed from the blackboard to further control the flying effect of the chalk dust. Live in good health.

The dust cover 200 is used to block chalk dust. During long-term use, the flexible sealing ring 220 and the cover body 210 are inevitably left with a lot of chalk dust, which is not conducive to subsequent use. Referring to FIG. 2 , in order to facilitate cleaning of the dust cover 200 , the flexible sealing ring 220 and the cover body 210 can be detachably connected together. The dust cover 200 includes a first connection structure 230 detachably connecting the cover body 210 and the flexible sealing ring 220 . Specifically, the first connection structure 230 includes a first sub-hair button provided at the end of the cover body 210, and a first female-hair button provided on the flexible sealing ring 220. The first female-hair button and the first sub-hair button can be connected Remove the connection. It should be noted here that the first sub-hair button and the first female-hair button may adopt a hook and loop structure, which is commonly known as a "velcro". The burr stickers of the female and female buttons are fixed inside the dust cover 200, which is convenient for disassembly and replacement, and is also conducive to cleaning. It should be noted that the function of the first female hair buckle and the first sub hair buckle is to cooperate with each other to form a hook and loop structure, so as to realize the detachable connection between the cover body 210 and the flexible sealing ring 220 . As long as the first female hair button and the first sub hair button can cooperate with each other to complete the function of detachable connection, their installation positions are not limited, and the positions of the two can be interchanged without affecting the realization of their functions. Another setting method is as follows: the first female hair is buckled on the end of the cover body 210 , and the first female hair is buckled on the flexible sealing ring 220 . The first female hair buckle is detachably connected with the first sub hair buckle.

As mentioned above, the dust-proof blackboard eraser 1000 includes the wiper body structure 100 and the dust-proof cover 200 . Specifically, the wiper structure 100 includes a wiper body 110 , the hair wiper 120 is detachably connected to the wiper body 110 , and the dust cover 200 is connected to the wiper body 110 . It should be noted that there are many mechanical structural forms of detachable connection, which can be arranged on the basis of not departing from the essential content of the present invention. Specifically, the wiper structure 100 includes a second connection structure 130 detachably connecting the hair wiper 120 and the wiper body 110 . The second connection structure 130 includes a second sub-hair button disposed on the end surface of the wiper body 110 and a second female hair button disposed on the end surface of the hair wiper 120 , and the second female hair button and the second sub-hair button are detachably connected. It should be noted here that the second sub-hair button and the second female hair button may adopt a hook and loop structure, which is commonly known as a "velcro". The burr stickers of the female and female buttons are fixed inside the dust cover 200, which is convenient for disassembly and replacement, and is also conducive to cleaning. Moreover, in the event of sudden damage to the dust-proof blackboard eraser 1000, the detachable connection structure is also conducive to temporary replacement, recycling, and resource saving. It should be further noted that as long as the second female hair buckle and the second daughter hair buckle can cooperate with each other to complete the function of detachable connection, their installation positions are not limited, and the two can be interchanged without affecting the realization of their functions. There is another setting method as follows: the second female hair buckle is arranged on the end surface of the wiper body 110 , and the second female hair buckle is arranged on the end surface of the hair wiper 120 . The second female hair buckle is detachably connected with the second female hair buckle.

As a commonly used teaching aid in the teaching process, the blackboard eraser is indispensable in the teaching process. Especially when writing on the blackboard, when frequent revisions are involved, teachers often need to hold the chalk in one hand and the blackboard eraser in the other. of inconvenience. Please refer to FIG. 1, in order to avoid this problem, the end of the wiper body 110 is provided with a mounting slot, and the mounting slot is provided with a magnetic body 111. The magnetic body 111 is used to adsorb the dust-proof blackboard eraser 1000 on the blackboard for easy storage. Conducive to the teaching process.

In the technical solution provided by the present invention, the dust-proof blackboard eraser 1000 includes a wiper body structure 100 and a dust-proof cover 200 . The dust cover 200 is detachably enclosed on the wiper structure 100 , and covers the brushes 120 of the wiper structure 100 inside the dust cover 200 . In the process of wiping the blackboard with the dust-proof blackboard eraser 1000, since the wiper body structure 100 is surrounded by the dust-proof cover 200, the chalk dust wiped off from the blackboard will be blocked by the dust-proof cover 200 and cannot be freely raised into the air. Teacher and student health. Compared with the traditional technology, since the dust cover 200 is added, the dust cover 200 plays a role of dust prevention during the use of the blackboard eraser, so that the blackboard eraser has a dustproof function. In addition, the dust cover 200 is enclosed on the wiper body structure 100, which also makes the dust-proof blackboard wiper 1000 of the present invention simple in structure and easy to popularize.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the conception of the present invention, the equivalent structure transformation made by using the contents of the description and drawings of the present invention, or directly / Indirect applications in other related technical fields are included in the scope of patent protection of the present utility model.

Claims (10)

1. A dustproof blackboard eraser, comprising:

the brush body structure is provided with a brush on one side; and

the dust cover is detachably arranged on the eraser body structure in a surrounding mode and covers the inner side of the dust cover with the bristles.

2. The dust-proof blackboard eraser according to claim 1, wherein the dust cover includes a cover body detachably enclosing the peripheral side of the eraser body structure, and a flexible seal ring provided at an end of the cover body, the cover body covering the peripheral side of the eraser.

3. The dust-absorbing blackboard eraser of claim 2, wherein the cover body is of a flexible transparent plastic structure.

4. A dust-absorbing blackboard eraser according to claim 3, wherein the flexible sealing ring is provided as a felt ring protruding from the end of the eraser.

5. The dust-protected blackboard eraser of claim 2, wherein the dust cover includes a first connecting structure that detachably connects the cover body and the flexible sealing ring.

6. The dustproof blackboard eraser according to claim 5, wherein the first connecting structure comprises a first sub hair clasp arranged at an end of the cover body main body and a first female hair clasp arranged on the flexible sealing ring, and the first female hair clasp is detachably connected with the first sub hair clasp;

or, first connection structure is including locating cover body main part tip first female hair is detained, and is located flexible sealing ring's first son hair is detained, first female hair detain with first son hair is detained and is dismantled the connection.

7. The dust-protected blackboard eraser according to claim 1, wherein the eraser body structure comprises an eraser body, the eraser is detachably connected to the eraser body, and the dust cover is connected to the eraser body.

8. The dustproof blackboard eraser according to claim 7, wherein an installation groove is formed at an end of the eraser body, and a magnetic body is arranged in the installation groove and used for adsorbing the dustproof blackboard eraser on a blackboard.

9. The dust-protected blackboard eraser of claim 7, wherein the eraser body structure comprises a second connecting structure for detachably connecting the eraser and the eraser body;

the second connecting structure comprises a second sub hair buckle arranged on the end face of the eraser body main body and a second mother hair buckle arranged on the end face of the hair eraser, and the second mother hair buckle is detachably connected with the second sub hair buckle;

or the second connecting structure comprises a second female hair buckle arranged on the end face of the wiping body main body and a second male hair buckle arranged on the end face of the hair wiping body, and the second female hair buckle is detachably connected with the second male hair buckle.

10. A dust-proof blackboard eraser assembly, comprising a chalk dust collecting box, and the dust-proof blackboard eraser as claimed in any one of claims 1 to 9, which is matched with the chalk dust collecting box.

Images