CN210941101U - Eraser - Google Patents
Eraser Download PDFInfo
- Publication number
- CN210941101U CN210941101U CN201920812301.2U CN201920812301U CN210941101U CN 210941101 U CN210941101 U CN 210941101U CN 201920812301 U CN201920812301 U CN 201920812301U CN 210941101 U CN210941101 U CN 210941101U
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- China
- Prior art keywords
- eraser
- extender
- rubber
- concave holes
- pen
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses an eraser, the three side of eraser is equipped with even, equidistance, regularly arranged's cave respectively, and the axial position of the cave on every side staggers mutually, and the cave is according to human engineering design, accords with the requirement of correctly holding a pen, and the user only needs put thumb, forefinger, middle finger in the cave that three faces are close respectively, just can learn the correct posture of holding a pen fast easily. The eraser has the function of correcting and training the pen holding posture besides normal erasing.
Description
Technical Field
The utility model relates to an eraser.
Background
The prior eraser and the eraser in the market only have a wiping function and do not have the additional function of correcting and training the pen holding posture.
SUMMERY OF THE UTILITY MODEL
The utility model provides an eraser still has the function of training and correcting the pen-holding posture except having the function of cleaning, can promote the study enjoyment.
The technical scheme of the utility model is realized like this:
the eraser is characterized in that the cross section of the eraser is triangular, three side surfaces of the eraser are respectively provided with uniformly, equidistantly and regularly arranged concave holes, and the axial positions of the concave holes on each side surface are staggered.
Preferably, the shape of the cavity includes, but is not limited to, oval, oblique, egg-shaped, saddle-shaped.
Preferably, the total number of the concave cavities is at least 3, and the number of single surfaces is at least 1.
Preferably, the depth of the concave hole is 0.5 mm-2 mm.
Preferably, one end of the rubber is provided with an extender, the shape of the extender is the same as that of the rubber, three side surfaces of the extender are provided with uniform, equidistant and regularly arranged concave holes, and the axial positions of the concave holes on each side surface are mutually staggered.
Preferably, a circular bulge is arranged at one end of the extender, a groove corresponding to the circular bulge is formed in the eraser, and the eraser and the extender are bonded and fixed.
The beneficial effects of the utility model reside in that: the eraser has the functions of training and correcting pen holding posture after wiping, and the wiping pleasure is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of one side of the eraser;
FIG. 2 is a schematic view of the second side of the eraser;
FIG. 3 is a schematic structural view of the third side of the eraser;
FIG. 4 is a schematic perspective view of the eraser;
FIG. 5 is a cross-sectional view of the eraser;
FIG. 6 is a schematic view of the structure of the eraser and the extender.
In the figure, 1-rubber; 2-concave cavities; 3-an extender.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work, all the rubber upper belts with the function of correcting or training the pen-holding posture all belong to the protection scope of the present invention.
As shown in figures 1-6, the utility model provides an eraser 1, the cross-section of the eraser 1 is triangle, the three sides of the eraser 1 are respectively provided with the uniform, equidistant and regularly arranged concave holes 2, and the axial positions of the concave holes 2 on each side are staggered.
The shape of the cavity 2 includes, but is not limited to, oval, oblique, egg-shaped, and saddle-shaped, and the shape and size of the cavity 2 in the present embodiment are only one example, and not limited to this case.
The total number of the concave holes 2 is at least 3, and the number of single surfaces is at least 1. Ensuring that the finger can be placed on at least two of the sides after rotation. The depth of the concave hole 2 is 0.5 mm-2 mm. The depth of the concave hole 2 can be customized according to the requirements of users.
An extender 3 is arranged at one end of the eraser 1, the shape of the extender 3 is the same as that of the eraser 1, the three side surfaces of the extender 3 are provided with uniform, equidistant and regularly arranged concave holes 2, and the axial positions of the concave holes 2 on each side surface are mutually staggered. One end of the extender 3 is provided with a circular bulge, the rubber 1 is provided with a groove corresponding to the circular bulge, and the rubber 1 and the extender 3 are bonded and fixed. The extender 3 can be made of plastic, wood, metal or the like, and the extender 3 can be of a solid or hollow structure and can be used for multiple times. The eraser 1 can be fully utilized and is convenient to hold.
In another embodiment, the extender 3 is a triangular cylinder with a piston therein, which is connected to one end of the rubber 1 (not shown).
The surface of the eraser 1 is provided with the concave holes 2, and besides normal wiping, the eraser also has the functions of training the pen holding posture and correcting the pen holding posture, so that a user can easily and quickly learn the correct pen holding posture by only placing a thumb, a forefinger and a middle finger in the concave holes 2 with the three similar faces of the eraser 1 respectively, and the wiping pleasure of the eraser 1 is improved.
The triangular section is only one example, and the section can be in other shapes.
The utility model has the advantages that:
the surface of the eraser 1 is provided with the concave holes 2, so that the eraser has the functions of training and correcting pen holding postures, and the erasing pleasure is improved.
The above is only a preferred embodiment of the present invention, and the present invention should not be limited thereto, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention, such as all the eraser with rubber 1 for correcting the pen-holding posture or training the pen-holding function, should be included in the protection scope of the present invention.
Claims (4)
1. An eraser which is characterized in that: the section of the rubber is triangular, the three side surfaces of the rubber are respectively provided with uniform, equidistant and regularly arranged concave holes, and the axial positions of the concave holes on each side surface are staggered; one end of the rubber is provided with an extender, the shape of the extender is the same as that of the rubber, three side surfaces of the extender are provided with uniform, equidistant and regularly arranged concave holes, and the axial positions of the concave holes on each side surface are staggered; one end of the extender is provided with a circular bulge, the eraser is provided with a groove corresponding to the circular bulge, and the eraser and the extender are bonded and fixed; the extender is a triangular cylinder, a piston is arranged in the cylinder, and the piston is connected with one end of the rubber.
2. The eraser of claim 1, wherein: the shape of the cavity includes, but is not limited to, oval, oblique, egg-shaped, saddle-shaped.
3. The eraser of claim 1 or 2, wherein: the total number of the concave holes is at least 3, and the number of the single surfaces is at least 1.
4. The eraser of claim 3, wherein: the depth of the concave hole is 0.5 mm-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812301.2U CN210941101U (en) | 2019-05-31 | 2019-05-31 | Eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812301.2U CN210941101U (en) | 2019-05-31 | 2019-05-31 | Eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210941101U true CN210941101U (en) | 2020-07-07 |
Family
ID=71394575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920812301.2U Active CN210941101U (en) | 2019-05-31 | 2019-05-31 | Eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210941101U (en) |
-
2019
- 2019-05-31 CN CN201920812301.2U patent/CN210941101U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |