Magnetic attraction pen sleeve and magnetic attraction pen

Abstract

The utility model discloses a magnetic attraction pen cap and a magnetic attraction pen, the magnetic attraction pen cap comprises at least two magnetic attraction pieces and at least one pen cavity, the adjacent magnetic attraction pieces are flexibly connected, the adjacent magnetic attraction pieces can be folded relatively, and the pen cavity is arranged on the side edges of the magnetic attraction pieces or between the adjacent magnetic attraction pieces; the pen cavity is used for containing a refill. The magnetic attraction pen comprises a pen core and the magnetic attraction pen sleeve. The pen core is arranged in the pen cavity, the pen core is attracted to a magnetic accessory through the magnetic piece or can be matched with an independent iron piece or a magnet to be attracted to the surface of an article such as a magnetic book, when the magnetic pen needs to be used, the magnetic piece is folded together to serve as a pen holder, and the pen core is placed in the pen cavity for writing. Therefore, the convenience of carrying the writing pen is improved, and daily writing is facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of pen caps, and in particular to a magnetic pen cap and a magnetic pen. Background Art

[0002] The development of electronic devices has been advancing at an impressive pace. From the initial large and bulky to today's light and portable, the evolution of electronic devices has changed almost every aspect of human life. Advances in hardware technology have made electronic devices more compact and efficient. The speed of processors continues to increase and the capacity of memory continues to expand, making today's smartphones more powerful than the computers of the last century. At the same time, advances in display technology have also made the screen clearer and the colors more vivid, greatly improving the user experience. Secondly, software innovation has promoted the continuous expansion of the functions of electronic devices. From the initial simple communication tools to today's multi-functional devices such as smartphones and tablets, the richness and diversity of software applications allow users to easily handle various tasks, including communication, entertainment, work, etc. The development of electronic devices has not only changed our lifestyle, but also promoted the progress of society. In the future, with the continuous development of new technologies such as artificial intelligence and the Internet of Things, electronic devices will continue to play an important role and bring more convenience and possibilities to mankind.

[0003] Electronic devices have become indispensable items in daily life. However, when using electronic devices, it is inevitable to use a writing pen. However, the writing pen is usually placed separately and is easy to be forgotten, causing inconvenience when using it. Utility Model Content

[0004] The main technical problem solved by the present application is to provide a magnetic pen cover to solve the problem that writing pens are usually placed independently and are easily forgotten to be carried, causing inconvenience during use.

[0005] In order to solve the above-mentioned technical problems, a technical solution adopted in the present application is to provide a magnetic pen cover, comprising at least two magnetic sheets and at least one pen cavity, adjacent magnetic sheets are flexibly connected, adjacent magnetic sheets can be folded relative to each other, and the pen cavity is arranged on the side of the magnetic sheet, or between adjacent magnetic sheets; the pen cavity is used to set the pen refill.

[0006] In some embodiments, the magnetic sheet is in the shape of an elongated strip, two magnetic sheets are provided, a flexible connection portion is provided between the two magnetic sheets, and the magnetic sheet can be folded with the flexible connection portion as the center, and the two magnetic sheets are stacked after folding.

[0007] In some embodiments, the pen cavity is disposed on the outer side of a magnetic sheet.

[0008] In some embodiments, the two magnetic sheets are symmetrically arranged with the flexible connection portion as the center.

[0009] In some embodiments, the bottom edge of the magnetic sheet forms a preset angle with the pen cavity, and the preset angle is a right angle or an acute angle.

[0010] In some embodiments, the preset angle is an acute angle, and the height of the inner side of the magnetic sheet is higher than the height of the side adjacent to the pen cavity.

[0011] In some embodiments, the pen cavity is arranged at the flexible connection portion, and the magnetic sheet is folded with the pen cavity as the center.

[0012] In some embodiments, a storage portion is provided at the lower end of the magnetic sheet, and the outward extension length of the storage portion is greater than the outward extension length of the pen core. The storage portion can be unfolded and folded relative to the magnetic sheet. The magnetic sheet is unfolded to enclose the lower end of the pen core, and the magnetic sheet is folded to expose the lower end of the pen core.

[0013] In some embodiments, the upper end of the flexible connecting portion has a notch, and the notch is used as an inlet for installing the pen core.

[0014] In some embodiments, the upper end of the magnetic sheet is arranged in a continuous inclined straight line.

[0015] In some embodiments, three magnetic sheets are provided, and a flexible connection portion is provided between adjacent magnetic sheets. The three magnetic sheets can be folded into a triangle, and the pen cavity is provided at the outer edge of the magnetic sheet on one side.

[0016] In some embodiments, the width of the middle magnetic sheet is less than or equal to the width of the magnetic sheets on both sides, and the three magnetic sheets can be folded into an isosceles triangle or an equilateral triangle.

[0017] In some embodiments, the magnetic sheets on both sides are symmetrically arranged with the central magnetic sheet as the center.

[0018] In some embodiments, the lower end of the middle magnetic sheet is horizontally arranged, and the bottom edge of the magnetic sheet adjacent to the pen cavity forms a preset angle with the pen cavity, and the preset angle is a right angle or an acute angle.

[0019] In some embodiments, the preset angle is an acute angle, and the height of the inner side of the magnetic sheet is higher than the height of the side adjacent to the pen cavity.

[0020] In some embodiments, the lower end of the middle magnetic sheet and the lower end of the magnetic sheet away from the pen cavity are horizontally arranged, the lower end of the magnetic sheet adjacent to the pen cavity is inclined, and the pen cavity extends downward and protrudes from the magnetic sheet.

[0021] In some embodiments, the top edge of the magnetic sheet adjacent to the pen cavity is tilted, and the upper end of the pen cavity is lower than the upper end of the magnetic sheet adjacent to the pen cavity.

[0022] In some embodiments, four magnetic sheets are provided, and the four magnetic sheets can be folded into a triangle. When folded, the two outermost magnetic sheets are stacked.

[0023] In some embodiments, two pen cavities are provided, which are located on both sides of the outermost magnetic sheet respectively. Pen refills are respectively provided in the pen cavities, and the pen tips of the two pen refills are arranged in opposite directions.

[0024] In some embodiments, the edge of the magnetic sheet adjacent to the pen cavity is tilted, and a protrusion extends from the magnetic sheet away from the pen cavity. The protrusion and the tilted edge form an inclined triangle with a preset angle.

[0025] In some embodiments, the preset angle between the edge of the magnetic sheet adjacent to the pen cavity and the pen cavity is 40°-90°.

[0026] In some embodiments, the preset angle between the edge of the magnetic sheet adjacent to the pen cavity and the pen cavity is 60°.

[0027] In some embodiments, the length of the magnetic sheet is 50 mm-100 mm, and the width is 5 mm-20 mm.

[0028] In some embodiments, the magnetic sheet has a length of 80 mm and a width of 16 mm.

[0029] In some embodiments, the length of the pen cavity is 30mm-80mm.

[0030] In some embodiments, the length of the pen cavity is 60 mm.

[0031] Based on the same inventive concept, the present application also provides a magnetic pen, including a pen core and the above-mentioned magnetic pen cover.

[0032] The beneficial effect of the present application is that the pen core is placed in the pen cavity and is adsorbed on the magnetic accessory through the magnetic sheet, or can be adsorbed on the surface of a magnetic book or other object with a separate iron sheet or magnet. When it is needed, the magnetic sheet is folded together and used as a pen holder, and the pen core is placed in the pen cavity for writing. This improves the convenience of carrying a writing pen for daily writing. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the structure after folding two magnetic sheets according to an embodiment of the present application;

[0034] Figure 2 is a front view structural schematic diagram of two magnetic sheets after folding according to an embodiment of the present application;

[0035] Figure 3 It is a front view structural schematic diagram of two magnetic sheets according to an embodiment of the present application when they are unfolded;

[0036] Figure 4It is a schematic diagram of the rear view structure when two magnetic sheets according to an embodiment of the present application are unfolded;

[0037] Figure 5 is a schematic diagram of the structure of two magnetic sheets according to an embodiment of the present application after being folded, viewed from above;

[0038] Figure 6 is a bottom view structural diagram of two magnetic sheets according to an embodiment of the present application after being unfolded;

[0039] Figure 7 This is a schematic diagram of the structure of two magnetic sheets after folding according to another embodiment of the present application;

[0040] Figure 8 is a front view structural schematic diagram of two magnetic sheets according to another embodiment of the present application when folded;

[0041] Fig. 9 is a front view structural diagram of another embodiment of two magnetic sheets according to the present application when unfolded;

[0042] Fig.10 is a bottom-up structural schematic diagram of two magnetic sheets according to another embodiment of the present application when folded;

[0043] Fig.11 is a bottom view of the structure when two magnetic sheets according to another embodiment of the present application are unfolded;

[0044] Fig.12 This is a schematic diagram of the structure of the storage portion when two magnetic sheets are folded according to another embodiment of the present application;

[0045] Fig.13 It is a front view structural schematic diagram of the storage portion when two magnetic sheets are folded according to another embodiment of the present application;

[0046] Fig.14 It is a schematic diagram of the side structure of the storage portion when the two magnetic sheets are folded according to another embodiment of the present application;

[0047] Fig.15 This is a bottom view structural diagram of two magnetic sheets according to another embodiment of the present application when the storage portion is unfolded after being folded;

[0048] Fig.16 This is a structural schematic diagram of the storage portion when two magnetic sheets are folded and unfolded according to another embodiment of the present application;

[0049] Fig.17 is a schematic diagram of the side structure of the storage portion when two magnetic sheets are unfolded according to another embodiment of the present application;

[0050] Fig.18 It is a schematic diagram of the inner structure of the storage part when two magnetic sheets are unfolded according to another embodiment of the present application;

[0051] Fig.19 is a schematic structural diagram of a side view of a storage portion when two magnetic sheets are unfolded according to another embodiment of the present application;

[0052] Fig. 20 This is a schematic diagram of the structure when three magnetic sheets are folded according to an embodiment of the present application;

[0053] Fig.21 is a front view structural diagram of three magnetic sheets according to an embodiment of the present application when folded;

[0054] Fig. 22 is a schematic diagram of the structure when three magnetic sheets according to an embodiment of the present application are folded as viewed from above;

[0055] Fig.23 is a front view structural diagram of three magnetic sheets according to an embodiment of the present application when unfolded;

[0056] Fig.24 is a bottom-up structural schematic diagram of three magnetic sheets according to an embodiment of the present application when they are unfolded;

[0057] Fig.25 is a schematic diagram of the structure of three magnetic sheets after folding according to another embodiment of the present application;

[0058] Fig.26 is a front view structural diagram of another embodiment of the three magnetic sheets of the present application when folded;

[0059] Fig. 27 is a bottom-up structural schematic diagram of three magnetic sheets according to another embodiment of the present application when folded;

[0060] Fig.28 is a front view structural diagram of another embodiment of three magnetic sheets according to the present application when unfolded;

[0061] Fig.29 is a bottom-up structural schematic diagram of another embodiment of the present application when three magnetic sheets are unfolded;

[0062] Fig.30 This is a schematic diagram of the structure of three magnetic sheets after folding according to another embodiment of the present application;

[0063] Fig.31 is a front view structural schematic diagram of three magnetic sheets when folded according to another embodiment of the present application;

[0064] Fig.32 is a bottom-up structural schematic diagram of three magnetic sheets according to another embodiment of the present application when folded;

[0065] Fig.33is a front structural schematic diagram of three magnetic sheets according to another embodiment of the present application when they are unfolded;

[0066] Fig.34 is a bottom-up structural schematic diagram of three magnetic sheets according to another embodiment of the present application when they are unfolded;

[0067] Fig.35 This is a schematic diagram of the structure after folding four magnetic sheets according to an embodiment of the present application;

[0068] Fig.36 is a front view structural diagram of four magnetic sheets according to an embodiment of the present application when folded;

[0069] Fig.37 This is a schematic diagram of the top view of the structure when four magnetic sheets according to an embodiment of the present application are folded;

[0070] Fig.38 This is a schematic diagram of the bottom-up structure of four magnetic sheets according to an embodiment of the present application when folded;

[0071] Fig.39 is a front view structural diagram of four magnetic sheets according to an embodiment of the present application when they are unfolded;

[0072] Fig.40 It is a schematic diagram of the bottom-up structure when four magnetic sheets according to an embodiment of the present application are unfolded. DETAILED DESCRIPTION

[0073] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. The preferred embodiments of the present application are provided in the accompanying drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive.

[0074] It should be noted that, unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art of the present application. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0075] Figure 1-Figure 40 An embodiment of the magnetic pen cover of the present application is shown, comprising a jacket 1, at least two magnetic sheets 2 and at least one pen cavity 3, wherein the magnetic sheets 2 are arranged in the jacket 1, adjacent magnetic sheets 2 are flexibly connected, and adjacent magnetic sheets 2 can be folded relative to each other, the pen cavity 3 is connected to the jacket 1, and the pen cavity 3 is arranged on the side of the magnetic sheet 2, or between adjacent magnetic sheets 2; the pen cavity 3 is used to set a pen core 4.

[0076] In the present application, the magnetic sheet 2 is arranged in the outer jacket 1, and the pen core 4 is arranged in the pen cavity 3. The outer jacket 1 is adsorbed on the magnetic accessory through the magnetic sheet 2, and can also be adsorbed on the surface of a magnetic book or other items with a separate iron sheet or magnet. When it is needed, the magnetic sheet 2 is folded together and used as a pen holder, and the pen core 4 is placed in the pen cavity 3 for writing. This improves the convenience of carrying a writing pen, so as to facilitate daily writing use.

[0077] In some embodiments, the material of the jacket 1 can be a hard material, and the magnetic sheet 2 is folded by a flexible connection between the magnetic sheets 2. The flexible connection can be connected through a flexible material. The flexible material is a material with properties such as softness and bendability, including materials such as polyimide, polyester, polyether ketone, polyurethane and / or leather. The material of the jacket 1 can also be a flexible material. In this case, the jacket 1 itself can be used as a flexible connection part to make the magnetic sheets 2 flexibly connected. The jacket 1 has a cavity inside, and the magnetic sheet 2 is arranged in the cavity.

[0078] The magnetic sheet 2 refers to any magnet or metal that can attract each other with ferrite magnets, Alnico magnets, rare earth magnets, etc.

[0079] The magnetic sheet 2 is in the shape of a long strip, which is convenient for holding. The length of the magnetic sheet 2 is 50mm-100mm, and the width is 5mm-20mm. The length of the magnetic sheet 2 can be selected as 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, and the width can be selected as 5mm, 12mm, 14mm, 16mm, 18mm, 20mm.

[0080] The number of magnetic sheets 2 can be two, three, four, five or more. There are flexible connecting parts between the magnetic sheets 2 for easy folding. After the magnetic sheet 2 is folded, the shape formed can be linear, triangular or polygonal, etc. For easy grasping. At this time, the preset angle a between the edge of the magnetic sheet 2 adjacent to the pen cavity 3 and the pen cavity 3 is 40°-90°. The preset angle a between the edge of the magnetic sheet 2 adjacent to the pen cavity 3 and the pen cavity 3 can be selected as 40°, 45°, 50°, 55°, 60°, 90°. By setting the preset angle a, the obstruction of the field of view at the tip of the pen can be avoided.

[0081] The pen cavity 3 can be formed by enclosing the material of the outer cover 1. The pen cavity 3 can be set at the edge of the magnetic sheet 2 or between adjacent magnetic sheets 2. The top of the pen cavity 3 is closed to prevent the upper end of the pen core 4 from being exposed during writing, thereby improving the stability of writing. The length of the pen cavity 3 is 30mm-80mm. The length of the pen cavity 3 can be selected as 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm.

[0082] The diameter of the pen core 4 is adapted to the inner diameter of the pen cavity 3, so that the pen core 4 is prevented from falling off during use. The pen core 4 can be a traditional writing pen core with ink, or a touch screen pen core that can be written on the touch screen of an electronic device, so that different pen cores 4 can be selected for use according to different scenarios.

[0083] In some embodiments, Figure 1-Figure 6 As shown, two magnetic sheets 2 are provided, and the outer jacket 1 is made of a flexible material, and the upper end of the outer jacket 1 corresponding to one magnetic sheet 2 is arc-shaped. The outer jacket 1 is wrapped around the periphery of the magnetic sheet 2, and the outer jacket 1 between the two magnetic sheets 2 forms a flexible connection portion. The magnetic sheet 2 can be folded with the flexible connection portion as the center, and the two magnetic sheets 2 are stacked after folding. The thickness of the magnetic sheet 2 is greater than the thickness of the outer jacket 1, and when folded, the inner side surfaces of the magnetic sheet 2 are adjacent. The pen cavity 3 is arranged at the outer side edge of a magnetic sheet 2. The two magnetic sheets 2 are symmetrically arranged with the flexible connection portion as the center. The bottom edge of the magnetic sheet 2 forms a preset angle a with the pen cavity 3, and the preset angle a is a right angle or an acute angle. The height of the inner side of the magnetic sheet 2 is higher than the height of the side adjacent to the pen cavity 3. This can avoid obstruction of the field of view at the tip of the pen.

[0084] In some embodiments, Figure 7-11 As shown, two magnetic sheets 2 are provided, the outer cover 1 is made of flexible material, and the upper end of the outer cover 1 is provided in a continuous inclined straight line, thereby reducing the weight of the magnetic pen cover and improving the aesthetics.

[0085] In some embodiments, Figure 12-Figure 19 As shown, two magnetic sheets 2 are provided, and the outer sleeve 1 is made of a flexible material to form a flexible connection part. The upper end of the flexible connection part has a notch, which is used as an inlet for installing the pen core 4. The pen cavity 3 is arranged between the two magnetic sheets 2, and the magnetic sheet 2 is folded with the pen cavity 3 as the center. The upper end of the outer sleeve 1 corresponding to one magnetic sheet 2 is semicircular. The lower end of the magnetic sheet 2 is provided with a storage part 11, and the length of the storage part 11 extending outward is greater than the length of the pen core 4 extending outward. The storage part 11 can be unfolded and folded relative to the magnetic sheet 2. The magnetic sheet 2 is unfolded to enclose the lower end of the pen core 4, and the magnetic sheet 2 is folded to expose the lower end of the pen core 4. The shape of the storage part 11 is triangular. When the storage part 11 is unfolded, the length of the storage part 11 extending outward is greater than the length of the pen core 4 extending outward, thereby avoiding the exposure of the pen tip and avoiding the contact of the pen tip with the outside world. When the storage part 11 is folded above the pen tip, the pen tip is exposed, and writing can be carried out. It can also increase the force on the pen tip when writing, ensuring stability during writing.

[0086] In some embodiments, Figure 20-Figure 29As shown, three magnetic sheets 2 are provided, and flexible connecting parts are provided between adjacent magnetic sheets 2. The three magnetic sheets 2 can be folded into a triangle. The folded triangular shape can conveniently support the fingers and provide a better writing experience. The pen cavity 3 is arranged at the outer edge of the magnetic sheet 2 on one side. The width of the middle magnetic sheet 2 is less than or equal to the width of the magnetic sheets 2 on both sides, and the three magnetic sheets 2 can be folded into an isosceles triangle or an equilateral triangle. When the width of the middle magnetic sheet 2 is equal to the width of the magnetic sheets 2 on both sides, an equilateral triangle is formed when folded, and when the width of the middle magnetic sheet 2 is less than the width of the magnetic sheets 2 on both sides, an isosceles triangle is formed when folded. The isosceles triangle has a better grip feel and more stable writing.

[0087] The magnetic sheets 2 on both sides are symmetrically arranged with the central magnetic sheet 2 as the center. The lower end of the central magnetic sheet 2 is arranged horizontally, and the bottom edge of the magnetic sheet 2 adjacent to the pen cavity 3 forms a preset angle a with the pen cavity 3, and the preset angle a is a right angle or an acute angle. The height of the inner side of the magnetic sheet 2 is higher than the height of the side adjacent to the pen cavity 3. This can avoid blocking the field of view at the tip of the pen.

[0088] In some embodiments, Figure 30-Figure 34 As shown, the lower end of the middle magnetic sheet 2 and the lower end of the magnetic sheet 2 far from the pen cavity 3 are arranged horizontally, and the lower end of the magnetic sheet 2 adjacent to the pen cavity 3 is arranged obliquely, and the pen cavity 3 extends downward and protrudes from the magnetic sheet 2. This arrangement enables the pen core 4 to protrude downward, and enables the tip of the pen to have a better field of view. The top edge of the magnetic sheet 2 adjacent to the pen cavity 3 is arranged obliquely, and the upper end of the pen cavity 3 is lower than the upper end of the magnetic sheet 2 adjacent to the pen cavity 3. When enclosed in a triangle, the stability during writing is improved.

[0089] In some embodiments, Figure 35-Figure 40 As shown, four magnetic sheets 2 are provided, and the four magnetic sheets 2 can be folded into a triangle. When folded, the two outermost magnetic sheets 2 are stacked. Two pen cavities 3 are provided, respectively located on both sides of the outermost magnetic sheet 2. Pen cores 4 are respectively provided in the pen cavity 3, and the pen tips of the two pen cores 4 are arranged in reverse. The two pen cores 4 can be set to have different functions. For example, one pen core 4 can be a writing pen core 4 with ink, and the other pen core 4 can be a touch screen pen core 4. Or pen cores 4 of different colors, for example, one pen core 4 is black ink, and the other pen core 4 is red ink, so that the pen core 4 is set according to different needs to improve the convenience during use. The edge of the magnetic sheet 2 adjacent to the pen cavity 3 is inclined, and the magnetic sheet 2 away from the pen cavity 3 extends with a protrusion 21, and the protrusion 21 and the inclined edge are enclosed to form an inclined triangle with a preset angle a. As a result, when folded, both ends can be enclosed to form the same triangular structure to ensure that both ends have a balanced feel and ensure stability during writing.

[0090] In some embodiments, those skilled in the art can set more magnetic sheets 2 and pen chambers 3 as needed to meet different writing scenarios.

[0091] Based on the same inventive concept, the present application also provides a magnetic pen, including a pen core and the above-mentioned magnetic pen cover.

[0092] It can be seen that the present application discloses a magnetic pen cover and a magnetic pen, wherein a magnetic sheet is arranged in the cover, and a pen core is arranged in the pen cavity, and the cover is adsorbed on the back of an electronic device or on a bracket on the rear side of the electronic device through the magnetic sheet. When it is needed, the magnetic sheet is folded together and used as a pen holder, and the pen core is placed in the pen cavity for writing. This improves the convenience of carrying a writing pen, and facilitates daily writing use.

[0093] The above are merely embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structural transformations made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A magnetic pen holder, characterized in that: It comprises at least two magnetic sheets and at least one pen cavity, wherein adjacent magnetic sheets are flexibly connected, and adjacent magnetic sheets can be folded relative to each other, and the pen cavity is arranged on the side of the magnetic sheets, or between adjacent magnetic sheets; the pen cavity is used for arranging a pen core.

2. The magnetic pen cover according to claim 1, characterized in that: The magnetic sheet is in the shape of an elongated strip. Two magnetic sheets are provided. A flexible connection portion is provided between the two magnetic sheets. The magnetic sheet can be folded with the flexible connection portion as the center. After folding, the two magnetic sheets are stacked.

3. The magnetic pen cover according to claim 2, characterized in that: The pen cavity is arranged at the outer side edge of the magnetic attraction sheet.

4. The magnetic pen cover according to claim 2, characterized in that: The two magnetic sheets are symmetrically arranged with the flexible connecting portion as the center.

5. The magnetic pen cover according to claim 2, characterized in that: The bottom edge of the magnetic sheet forms a preset angle with the pen cavity, and the preset angle is a right angle or an acute angle.

6. The magnetic pen cover according to claim 5, characterized in that: The preset angle is an acute angle, and the height of the inner side of the magnetic sheet is higher than the height of the side adjacent to the pen cavity.

7. The magnetic pen cover according to claim 2, characterized in that: The pen cavity is arranged at the flexible connection portion, and the magnetic sheet is folded with the pen cavity as the center.

8. The magnetic pen cover according to claim 7, characterized in that: A storage portion is provided at the lower end of the magnetic sheet, and the outward extension length of the storage portion is greater than the outward extension length of the pen core. The storage portion can be unfolded and folded relative to the magnetic sheet, and the magnetic sheet is unfolded to enclose the lower end of the pen core, and the magnetic sheet is folded to expose the lower end of the pen core.

9. The magnetic pen cover according to claim 7, characterized in that: The upper end of the flexible connecting part is provided with a notch, and the notch is used as an inlet for installing the pen core.

10. The magnetic pen cover according to claim 2, characterized in that: The upper end of the magnetic attraction sheet is arranged in a continuous inclined straight line.

11. The magnetic pen cover according to claim 1, characterized in that: There are three magnetic sheets, and flexible connecting parts are provided between adjacent magnetic sheets. The three magnetic sheets can be folded into a triangle, and the pen cavity is arranged at the outer edge of the magnetic sheet on one side.

12. The magnetic pen cover according to claim 11, characterized in that: The width of the magnetic sheet in the middle is less than or equal to the width of the magnetic sheets on both sides, and the three magnetic sheets can be folded into an isosceles triangle or an equilateral triangle.

13. The magnetic pen cover according to claim 11, characterized in that: The magnetic sheets at both sides are symmetrically arranged with the magnetic sheet in the middle as the center.

14. The magnetic pen cover according to claim 13, characterized in that: The lower end of the magnetic sheet in the middle is horizontally arranged, and the bottom edge of the magnetic sheet adjacent to the pen cavity forms a preset angle with the pen cavity, and the preset angle is a right angle or an acute angle.

15. The magnetic pen cover according to claim 14, characterized in that: The preset angle is an acute angle, and the height of the inner side of the magnetic sheet is higher than the height of the side adjacent to the pen cavity.

16. The magnetic pen holder according to claim 11, characterized in that: The lower end of the magnetic sheet in the middle and the lower end of the magnetic sheet away from the pen cavity are arranged horizontally, and the lower end of the magnetic sheet adjacent to the pen cavity is arranged obliquely, and the pen cavity extends downward and protrudes from the magnetic sheet.

17. The magnetic pen holder according to claim 16, characterized in that: The top edge of the magnetic sheet adjacent to the pen cavity is tilted, and the upper end of the pen cavity is lower than the upper end of the magnetic sheet adjacent to the pen cavity.

18. The magnetic pen holder according to claim 1, characterized in that: There are four magnetic sheets, and the four magnetic sheets can be folded into a triangle. When folded, the outermost two magnetic sheets are stacked.

19. The magnetic pen holder according to claim 18, characterized in that: The pen cavities are provided with two, which are respectively located on both sides of the outermost magnetic sheet. The pen cores are respectively arranged in the pen cavities, and the pen tips of the two pen cores are arranged in opposite directions.

20. The magnetic pen holder according to claim 19, characterized in that: The edge of the magnetic sheet adjacent to the pen cavity is tilted, and a protrusion extends from the magnetic sheet away from the pen cavity. The protrusion and the tilted edge form an inclined triangle with a preset angle.

21. The magnetic pen holder according to claim 1, characterized in that: The preset angle between the edge of the magnetic sheet adjacent to the pen cavity and the pen cavity is 40°-90°.

22. The magnetic pen holder according to claim 1, characterized in that: The preset angle between the edge of the magnetic sheet adjacent to the pen cavity and the pen cavity is 60°.

23. The magnetic pen holder according to claim 1, characterized in that: The length of the magnetic sheet is 50mm-100mm, and the width is 5mm-20mm.

24. The magnetic pen holder according to claim 1, characterized in that: The length of the magnetic sheet is 80 mm and the width is 16 mm.

25. The magnetic pen holder according to claim 1, characterized in that: The length of the pen cavity is 30mm-80mm.

26. The magnetic pen holder according to claim 1, characterized in that: The length of the pen cavity is 60 mm.

27. A magnetic pen, characterized in that: The invention comprises a pen core and a magnetic pen cover as claimed in any one of claims 1 to 26.

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