CN206049154U - A kind of Novel chalk eraser device - Google Patents

Abstract

The utility model discloses a kind of Novel chalk eraser device, belongs to educational aid field, in order to numerous and diverse instrument of blackboard sanitary tool is cleared up in the suction and class that reduce human body chalk dust, efficiency is improved, mitigates the burden that Faculty and Students clear up chalk dust；The Novel chalk eraser device includes that strength inhales the velveteen chalk sheath of ash, it is arranged on the turn buckle at palm axis joint on velveteen chalk sheath, the erasing apparatus being connected with turn buckle and three fixing bands for being used to fix erasing apparatus, the erasing apparatus are three layers oval, turn buckle is connected with one end of ellipse, three layers include outermost blackboard snag core, the mesh tank box of the high-density sponge and internal layer in intermediate layer, adsorbable chalk dust, erasable letter written with chalk, washable blackboard, it is simple and practical, greatly reduce the suction of human body chalk dust, reduce numerous and diverse instrument that class clears up blackboard sanitary tool, save the time of the unnecessary waste of teaching, mitigate the burden that Faculty and Students clear up chalk dust.

Description

A new type of chalk erasing device

technical field

The utility model belongs to the field of teaching tools and relates to a chalk eraser, in particular to a novel chalk eraser device.

Background technique

At present, most teachers in primary and secondary schools use blackboards. Teachers use chalk to write in each class, which often causes chalk dust to fly in the classroom, causing a burden to class hygiene. Those with poor strength can easily cause respiratory tract infections, etc. Teachers' hands are often covered with dust, and their clothes and hair are often covered with chalk dust.

At the same time, use chalk to write and teach. The chalk and blackboard eraser are separated. When writing wrong words, you have to hold the blackboard eraser to erase them. The separate use of blackboard eraser and chalk in teaching will bring a lot of inconvenience to teachers in saving class time. , causing sometimes the teacher directly erases the words on the blackboard by hand.

Due to the heavy teaching tasks in primary and secondary schools and colleges and universities, the blackboard is often written on one side after another, and the maintenance time is not long. Even with a blackboard eraser, it cannot be wiped clean, and the blackboard needs to be washed frequently. Comes with a lot of burdens.

Contents of the invention

According to the deficiencies in the prior art above, the technical problem to be solved by this utility model is to propose a new type of chalk erasing device, by setting a chalk cover device, it can absorb chalk dust, erase chalk characters, and wash the blackboard. Reduce the inhalation of chalk dust in the human body, reduce the complicated tools for cleaning blackboard hygiene tools in the class, save unnecessary wasted time in teaching, and reduce the burden on teachers and students to clean up chalk dust.

In order to solve the above technical problems, the technical solution adopted by the utility model is:

A novel chalk erasing device, the novel chalk erasing device comprises a cotton wool chalk glove with strong dust absorption, a rotary buckle arranged at the joint of the palm shaft on the cotton wool chalk glove, an erasing device connected with the rotary buckle and three The fixing belt is used to fix the erasing device. The erasing device is a three-layer oval, and the rotary buckle is connected to one end of the oval. The three layers include the outermost blackboard eraser core, the middle layer of high-density sponge and the inner layer. mesh sink box.

The surface of the strong dust-absorbing velveteen chalk glove is provided with an electrostatic wool hook button, and wool fluff is arranged on the wool hook button. The fixing straps are connected to the end of the erasing device away from the rotary buckle, and the three fixing straps are respectively connected with the blackboard eraser core of the outermost layer, the high-density sponge of the middle layer and the mesh sink box of the inner layer. The two ends of the rotary buckle are fixed with cotton wool chalk gloves, and the middle part of the rotary buckle is connected with the erasing device. The cuff part of the cotton-velvet chalk glove is provided with a plurality of mounting holes and a tensioning rope passing through the mounting holes to control the tightness of the cuff part of the cotton-velveteen chalk glove. The edge of the cuff part of the cotton wool chalk glove is provided with Velcro fasteners. A heating module is arranged inside the cotton wool chalk glove of the novel chalk wiping device. A detachable sweat-absorbing layer is also provided inside the lint chalk glove of the novel chalk wiping device.

A method for using a new type of chalk erasing device, step 1: the user puts the new type of chalk erasing device on the hand through a cotton wool chalk glove, and writes with chalk; At this time, the cotton wool gloves with strong dust absorption absorb the chalk dust from the surroundings. If there is a weak wind, the chalk dust will be blown around when writing. At this time, the cotton wool chalk gloves with strong dust absorption A lot of wool fluff with electrostatic wool sticky buttons on the board also swings with the wind, absorbing chalk dust flying around. Because of the static electricity, its adsorption effect and range are more advantageous; Step 3: When erasing the chalk on the blackboard The fixing belt connected to the blackboard eraser core at the elbow can be opened, and the rotary buckle can be rotated to rotate the blackboard eraser core to the palm side, and the blackboard eraser core can be fixed by the electrostatic wool velcro attached to the velvet gloves On the palm of your hand, use your palm to erase the words on the blackboard; step 4: the blackboard needs to be cleaned with water after a period of time, you can follow the third step of the previous step, continue to open the fixing belt connected to the high-density sponge at the elbow, and open the The high-density sponge is rotated to the palm of the hand, and the high-density sponge is fixed on the palm through the electrostatic wool velcro attached to the velvet glove, and then the mesh sink box is filled with appropriate water, and then rotated to the high-density sponge by rotating the rotating buckle to press. After the high-density sponge is wet, rotate the mesh sink box back to its original position and fix it on the elbow through the fixing belt. At this time, the high-density sponge in the palm can be attached to the blackboard to clean the blackboard.

The utility model has the beneficial effects that: it can absorb chalk dust, erase chalk characters, and wash the blackboard with water. It is simple and practical, greatly reduces the inhalation of chalk dust by the human body, reduces the complicated tools for cleaning blackboard hygiene tools in classes, and saves unnecessary wasted time in teaching , to reduce the burden on teachers and students to clean up chalk dust.

Description of drawings

The following is a brief description of the content expressed in the drawings of this specification and the marks in the drawings:

Fig. 1 is the structural representation of the novel chalk wiping device of the specific embodiment of the present invention;

In the picture: 1 is a cotton wool chalk glove with strong dust absorption; 2 is a blackboard eraser core; 3 is a high-density sponge; 4 is a mesh sink box; 5 is a rotating buckle; bring.

detailed description

Below, referring to the accompanying drawings, through the description of the embodiments, the specific implementation of the present utility model, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the function and working principle of each part, and manufacturing The process, operation and use methods, etc. are further described in detail to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present utility model.

As shown in Fig. 1, a kind of novel chalk wiping device comprises the velveteen chalk glove 1 of powerful ash suction, the rotary buckle 5 that is arranged on the palm shaft joint on the cotton velvet chalk glove 1 and the erasing device connected with the rotary buckle 5 , the erasing device is a three-layer ellipse, and the rotary buckle 5 is connected to one end of the ellipse, wherein the three layers include the blackboard eraser wool core 2 of the outermost layer, the high-density sponge 3 of the middle layer and the mesh of the inner layer sink box4. The rotating buckle 5 controls the rotation of the outermost layer of blackboard eraser core 2, the middle layer of high-density sponge 3 and the inner layer of the mesh sink box 4, and the surface of the cotton wool chalk glove 1 with strong dust absorption is provided with electrostatic wool sticks 6. Wool fluff is provided on the wool sticky button 6, and the wool fluff on the wool sticky button 6 exists in the form of an extension, and the end of the erasing device away from the rotary buckle 5 is equipped with three fixing parts for fixing the erasing device. with 7. Three fixing bands 7 are respectively connected with the blackboard eraser hair core 2 of the outermost layer, the high-density sponge 3 of the middle layer and the mesh sink box 4 of the inner layer, and the three fixing bands 7 fix these three layers respectively. The two ends of the rotary buckle 5 are fixed with the lint chalk gloves 1, and the middle part of the rotary buckle 5 is connected with the erasing device, and the blackboard eraser core 2, the high-density sponge 3 and the mesh sink box 4 of the erasing device can all be rotated around the buckle 5 turn.

In order to prevent the new type of chalk wiping device from loosening and to strengthen the cooperation between the new type of chalk wiping device and the human hand, the sleeve part of the cotton velvet chalk glove 1 is provided with a tension rope, and the sleeve part is provided with a number of installation holes, and the tension rope passes through The hole is installed to control the tightness of the sleeve part of the velveteen chalk glove 1 .

As a further improvement, due to the small diameter of the tension rope, it will make the user feel uncomfortable if tied for a long time. In order to alleviate the user's discomfort, the edge of the mouth part of the cotton wool chalk glove 1 is provided with Velcro. The buckle changes the size of the opening of the opening of the velveteen chalk glove 1 by setting the fitting position of the velcro, thereby fixing the opening of the opening of the lint chalk glove 1 and the position of the user's hand. While further preventing loosening, the user's discomfort is alleviated.

As a further improvement, since teachers or students need to use chalk throughout the year, in order to make users not cold in spring and winter, the lint chalk gloves 1 of the new chalk erasing device are provided with a heating module inside to ensure Warming of the user's hands. In order to further enhance the convenience of use, a detachable sweat-absorbing layer is also provided inside the lint chalk glove 1 of the novel chalk wiping device, and the sweat-absorbing layer can be replaced when one layer of the sweat-absorbing layer is wet.

A method for using a new type of chalk erasing device, step 1: the user puts the new type of chalk erasing device on the hand through a cotton wool chalk glove 1, and writes with chalk; The posture of use is bowed. At this time, the cotton velvet gloves 1 with strong dust absorption absorb the fallen chalk dust from the surroundings. If there is a weak wind, the chalk dust will be blown around when writing. A lot of wool fluff with electrostatic wool hook and loop 6 on the chalk glove 1 also swings with the wind, absorbing chalk dust flying around, because of the static electricity, its adsorption effect and range are more advantageous; Step 3: Erase the chalk on the blackboard When writing in chalk, the fixing belt 7 connected to the blackboard eraser core 2 at the elbow can be opened, and the rotary buckle 5 can be rotated to rotate the blackboard eraser core 2 to the side of the palm. Wool hook 6 fix the blackboard eraser core 2 on the palm, and use the palm to erase the words on the blackboard; Step 4: The blackboard needs to be cleaned with water after a period of time, and you can follow the third step of the previous step and continue to open the elbow The fixing belt 7 connected with the high-density sponge 3 is opened, and the high-density sponge 3 is rotated to the palm of the hand, and the high-density sponge 3 is fixed on the palm through the attached electrostatic wool velcro 6 on the velvet glove 1, and then the third layer of After the mesh tank box 4 is filled with appropriate water, rotate the buckle 5 to press on the high-density sponge 3 of the second layer, so that after the high-density sponge 3 of the second layer is wetted, the mesh tank box 4 of the third layer Rotate back to the original position again and be fixed on the elbow by the fixing band 7, now the high-density sponge 3 of the palm can be attached to the blackboard to clean the blackboard.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the utility model, or Directly applying the ideas and technical solutions of the utility model to other occasions without improvement is within the protection scope of the utility model. The protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (8)

1. a novel chalk wiping device, is characterized in that: described novel chalk wiping device comprises the velveteen chalk glove (1) of strong ash-absorbing, the rotary buckle ( 5), the erasing device connected with the rotary buckle (5) and three fixing bands (7) for fixing the erasing device, the erasing device is a three-layer ellipse, and the rotary buckle (5) and the oval Connected at one end, the three layers include the blackboard eraser wick (2) on the outermost layer, the high-density sponge (3) on the middle layer and the mesh sink box (4) on the inner layer. 2. novel chalk erasing device according to claim 1, it is characterized in that: the surface of the velveteen chalk glove (1) of described strong ash suction is provided with the wool sticky buckle (6) with electrostatic, wool sticky buckle (6) ) is provided with wool fluff. 3. The novel chalk erasing device according to claim 1, characterized in that: said fixing band (7) is connected with an end of the erasing device away from the rotary buckle (5), and three fixing bands (7) are respectively connected to the outermost The blackboard eraser wool core (2) of the first layer, the high-density sponge (3) of the middle layer and the mesh sink box (4) of the inner layer are connected. 4. The novel chalk erasing device according to claim 1, characterized in that: the two ends of the rotary buckle (5) are fixed with the lint chalk gloves (1), and the middle part of the rotary buckle (5) is connected with the erasing device . 5. novel chalk erasing device according to claim 1, is characterized in that: the socket part of described lint chalk glove (1) is provided with and is provided with some mounting holes and controls lint chalk glove by passing through mounting holes (1) An elastic pull cord for the sleeve part. 6. The novel chalk erasing device according to claim 1, characterized in that: the edge of the collar portion of the cotton wool chalk glove (1) is provided with Velcro. 7. The novel chalk erasing device according to claim 1, characterized in that: the lint chalk glove (1) of the novel chalk erasing device is provided with a heating module inside. 8. The novel chalk erasing device according to claim 1, characterized in that: a detachable sweat-absorbing layer is also provided inside the lint chalk glove (1) of the novel chalk erasing device.