CN107571663B - Adjustable pen holder - Google Patents
Adjustable pen holder Download PDFInfo
- Publication number
- CN107571663B CN107571663B CN201711000531.0A CN201711000531A CN107571663B CN 107571663 B CN107571663 B CN 107571663B CN 201711000531 A CN201711000531 A CN 201711000531A CN 107571663 B CN107571663 B CN 107571663B
- Authority
- CN
- China
- Prior art keywords
- inner jacket
- pen holder
- expansion sleeve
- penholder
- adjustable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 2
- 210000003128 head Anatomy 0.000 description 7
- 230000036544 posture Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
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- Adornments (AREA)
- Position Input By Displaying (AREA)
Abstract
The utility model provides a pen holder with adjustable belongs to supplementary study apparatus technical field, aim at solves the problem that the pen of prior art existence can not use and can not adapt to not equidimension palm with the pen cooperation of equidimension. The adjustable pen holder of the invention comprises: the inner jacket is of a cylindrical structure, the outer wall of the inner jacket is provided with external threads, and the inner wall of the inner jacket is matched with the penholder and clamps the penholder; the outer expansion sleeve is sleeved on the inner jacket and comprises spherical shell-shaped expansion heads, the two ends of each expansion head are propping parts, and a plurality of second deformation grooves are uniformly distributed on the expansion heads by taking the axis of the inner jacket as the circumference of a central line; and the two adjusting rings are arranged on two sides of the outer expansion sleeve and respectively contacted with the jacking parts at two ends of the outer expansion sleeve.
Description
Technical Field
The invention belongs to the technical field of teaching aid learning tools, and particularly relates to an adjustable pen holding device.
Background
At present, many myopic patients in China are formed from the times of students, and the students can be in premature myopia due to incorrect sitting postures and pen holding postures.
In the current market, in order to correct the pen holding posture of students, a plurality of manufacturers produce a plurality of pen holding devices, the basic structural form is a sleeve with different materials sleeved on a pen holder, the accuracy of the pen holding posture is ensured by arranging a corresponding limiting structure outside the sleeve, and the pen holding devices in the form are single in structure, and the pen holding devices cannot be well matched with pens with different sizes due to the fact that the sizes of writing pens in the market are the same; meanwhile, the external limiting structure of the pen holder is also set to be of a fixed unique size, so that the pen holder cannot be well adapted to palms of different sizes, such as pupil and adult, and the palms of different sizes cannot be comfortably written by adopting the pen holder of the same model.
Disclosure of Invention
The invention aims to provide an adjustable pen holder which solves the problems that in the prior art, the adjustable pen holder cannot be matched with pens with different sizes and cannot adapt to palms with different sizes.
To achieve the above object, the adjustable pen holder of the present invention comprises:
The inner jacket is of a cylindrical structure, the outer wall of the inner jacket is provided with external threads, and the inner wall of the inner jacket is matched with the penholder and clamps the penholder;
The outer expansion sleeve is sleeved on the inner jacket and comprises spherical shell-shaped expansion heads, the two ends of each expansion head are propping parts, and a plurality of second deformation grooves are uniformly distributed on the expansion heads by taking the axis of the inner jacket as the circumference of a central line;
And the two adjusting rings are arranged on two sides of the outer expansion sleeve and respectively contacted with the jacking parts at two ends of the outer expansion sleeve.
The inner wall is matched with the penholder and clamps the penholder specifically: the inner jacket comprises a cylindrical guide part in the middle and conical clamping parts positioned at two ends of the guide part; the clamping part gradually reduces in size from one end close to the guide part to one end far away from the guide part, a plurality of first deformation grooves are uniformly distributed on the circumference of the clamping part, and the first deformation grooves extend to the guide part; when in a natural state, the inner diameter of the small end of the clamping part of the inner jacket is smaller than the outer diameter of the penholder to be clamped.
When the two adjusting rings are screwed inwards to extrude the outer expansion sleeve to reach the maximum compression, the overlapping length of the adjusting rings and the first deformation groove is larger than zero.
The inner diameter of the small end of the clamping part is 6mm in a natural state.
The inner jacket is of an integrated structure.
The first deformation grooves comprise four.
The outer expansion sleeve is of an integrated structure.
The second deformation grooves at least comprise four.
The adjustable pen holding device is made of nylon materials.
The beneficial effects of the invention are as follows: the adjustable pen holder comprises an inner fixing part, namely an inner jacket, and an outer correcting part, namely an outer expansion sleeve; the outer expansion sleeve is sleeved on the inner jacket, the outer expansion sleeve is extruded by screwing two adjusting rings in threaded connection with the inner jacket, and a plurality of second deformation grooves are uniformly distributed on the circumference of the outer expansion sleeve, so that the outer size of the outer expansion sleeve is adjusted, the outer expansion sleeve is suitable for palms with different sizes, and correction writing is more facilitated for palms with different sizes; the two ends of the inner jacket are provided with the clamping parts, the clamping parts are provided with the first deformation grooves, the inner size of the clamping parts is reduced by the action of the first deformation grooves to clamp the penholder, and in the same operation mode, the clamping force on the penholder when the penholder is thicker is larger than the clamping force on the penholder when the penholder is thinner.
Drawings
FIG. 1 is a schematic view of the overall structure of an adjustable pen holder according to the present invention;
FIG. 2 is a cross-sectional view of the adjustable pen holder structure of the present invention;
FIG. 3 is a schematic view of the structure of the expansion sleeve in the adjustable pen holder of the present invention;
FIG. 4 is a schematic view of the inner jacket structure of the adjustable pen holder of the present invention;
Wherein: 1. the device comprises an inner jacket, 101, a guide part, 102, a clamping part, 103, a first deformation groove, 2, an outer expansion sleeve, 201, an expansion head, 202, a top pressing part, 203, a second deformation groove and 3, an adjusting ring.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-3, the adjustable pen holder of the present invention comprises:
The inner jacket 1 is of a cylindrical structure, the outer wall of the inner jacket 1 is provided with external threads, and the inner wall of the inner jacket is matched with the penholder and clamps the penholder;
an outer expansion sleeve 2 sleeved on the inner jacket 1, wherein the outer expansion sleeve 2 comprises a spherical shell-shaped expansion head 201, two ends of the expansion head 201 are provided with a pressing part 202, and a plurality of second deformation grooves 203 are uniformly distributed on the expansion head 201 by taking the axis of the inner jacket 1 as the center line circumference;
And the adjusting rings 3 are matched with the external threads of the inner jacket 1, the two adjusting rings 3 are arranged on two sides of the outer expansion sleeve 2, and the two adjusting rings 3 are respectively contacted with the pressing parts 202 at two ends of the outer expansion sleeve 2.
Referring to fig. 4, the inner wall is matched with the penholder and clamps the penholder specifically: the inner jacket 1 comprises a cylindrical guide part 101 in the middle and conical clamping parts 102 positioned at two ends of the guide part 101; the size of the clamping part 102 gradually decreases from one end close to the guide part 101 to one end far away from the guide part 101, a plurality of first deformation grooves 103 are uniformly distributed on the circumference of the clamping part 102, the clamping part 102 is divided into a plurality of sheet bodies, and the first deformation grooves 103 extend to the guide part 101; in a natural state, the inner diameter of the small end of the clamping part 102 of the inner jacket 1 is smaller than the outer diameter of the penholder to be clamped.
When the two adjusting rings 3 are screwed inwards to extrude the outer expansion sleeve 2 to reach the maximum compression, the overlapping length of the adjusting rings 3 and the first deformation groove 103 is larger than zero, so that the protection effect is achieved.
The inner diameter of the small end of the clamping part 102 is 6mm in a natural state, and a pen holder with the outer diameter of 8-12mm can be clamped.
The inner jacket 1 is of an integral structure.
The first deformation grooves 103 include four.
The outer expansion sleeve 2 is of an integrated structure.
The second deformation grooves 203 include at least four.
The adjustable pen holding device is made of nylon materials.
When the adjustable pen holder is used, a pen holder is inserted into the inner jacket 1, the outer diameter of the pen holder is larger than the inner diameter of the small end of the clamping part 102 at the two ends of the inner jacket 1, the pen holder is clamped by the elasticity of the plurality of sheet bodies of the clamping part 102 after the pen holder is inserted, and the pen holders with different outer diameters are clamped within the limit range; the two adjusting rings 3 are screwed inwards to extrude the outer expansion sleeve 2, so that the outer expansion sleeve 2 is deformed, the outer expansion sleeve 2 is adjusted, the outer size of the outer expansion sleeve 2 is changed, the outer expansion sleeve is suitable for the sizes of different palms, and the thickness of the outer expansion sleeve 2 in the embodiment is 1mm. On the premise of ensuring the overall hardness, some materials can be added appropriately to improve the elasticity of the outer expansion sleeve 2.
Claims (7)
1. The pen ware is held to adjustable, its characterized in that includes:
The inner jacket (1) is of a cylindrical structure, the outer wall of the inner jacket (1) is provided with external threads, and the inner wall of the inner jacket is matched with the penholder and clamps the penholder;
The outer expansion sleeve (2) is sleeved on the inner jacket (1), the outer expansion sleeve (2) comprises a spherical shell-shaped expansion head (201), the two ends of the expansion head (201) are propping parts (202), and a plurality of second deformation grooves (203) are uniformly distributed on the circumference of the expansion head (201) by taking the axis of the inner jacket (1) as a central line;
the adjusting rings (3) are matched with the external threads of the inner jacket (1), the two adjusting rings (3) are arranged on two sides of the outer expansion sleeve (2), and the two adjusting rings (3) are respectively contacted with the jacking parts (202) at two ends of the outer expansion sleeve (2);
The inner wall is matched with the penholder and clamps the penholder specifically: the inner jacket (1) comprises a cylindrical guide part (101) in the middle and conical clamping parts (102) positioned at two ends of the guide part (101); the clamping part (102) gradually reduces in size from one end close to the guide part (101) to one end far away from the guide part (101), a plurality of first deformation grooves (103) are uniformly distributed on the circumference of the clamping part (102), and the first deformation grooves (103) extend to the guide part (101); when in a natural state, the inner diameter of the small end of the clamping part (102) of the inner jacket (1) is smaller than the outer diameter of the penholder to be clamped;
The second deformation grooves (203) comprise at least four.
2. The adjustable pen holder according to claim 1, characterized in that when the two adjusting rings (3) are screwed inwards to press the outer expansion sleeve (2) to the maximum compression, the overlapping length of the adjusting rings (3) and the first deformation groove (103) is larger than zero.
3. The adjustable pen holder according to claim 1 or 2, wherein the inner diameter of the small end of the clamping part (102) is 6mm in natural state.
4. Adjustable pen holder according to claim 1, characterized in that the inner jacket (1) is of one-piece construction.
5. The adjustable pen holder according to claim 1, wherein the first deformation channel (103) comprises four.
6. Adjustable pen holder according to claim 1, characterized in that the outer expansion sleeve (2) is of one-piece construction.
7. The adjustable pen holder according to claim 1, wherein the adjustable pen holder is a nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000531.0A CN107571663B (en) | 2017-10-24 | 2017-10-24 | Adjustable pen holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000531.0A CN107571663B (en) | 2017-10-24 | 2017-10-24 | Adjustable pen holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107571663A CN107571663A (en) | 2018-01-12 |
| CN107571663B true CN107571663B (en) | 2024-06-18 |
Family
ID=61038244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711000531.0A Active CN107571663B (en) | 2017-10-24 | 2017-10-24 | Adjustable pen holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107571663B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899348B (en) * | 2019-03-11 | 2020-07-24 | 张琳函 | Detachable eraser connector suitable for ends of pencils of various specifications |
| CN110341348A (en) * | 2019-08-15 | 2019-10-18 | 浙江海洋大学 | A chalk holding device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2368708Y (en) * | 1999-02-08 | 2000-03-15 | 苑人元 | Pencil casing |
| US6146038A (en) * | 1999-04-22 | 2000-11-14 | A.T.X. International, Inc. | Variable contour grip |
| CN208290792U (en) * | 2017-10-24 | 2018-12-28 | 宋恒曦 | Adjustable appliance for holding pen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035089A (en) * | 1973-03-14 | 1977-07-12 | Schwartz Allan E | Mechanism for varying the finger grip area of a writing implement |
| DE4405684C1 (en) * | 1994-02-22 | 1995-07-06 | Dozsa Farkas Andras | Writing implement with variable dia. handgrip |
| CN203418890U (en) * | 2013-07-02 | 2014-02-05 | 毕锦维 | Pencil sleeve |
| CN206306676U (en) * | 2016-10-17 | 2017-07-07 | 于泓 | Multi-functional pen-holding posture corrector |
-
2017
- 2017-10-24 CN CN201711000531.0A patent/CN107571663B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2368708Y (en) * | 1999-02-08 | 2000-03-15 | 苑人元 | Pencil casing |
| US6146038A (en) * | 1999-04-22 | 2000-11-14 | A.T.X. International, Inc. | Variable contour grip |
| CN208290792U (en) * | 2017-10-24 | 2018-12-28 | 宋恒曦 | Adjustable appliance for holding pen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107571663A (en) | 2018-01-12 |
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