Pencil writing extender with posture correcting function
By designing the locking tube and hexagonal tube structure in the pencil writing extender, the problem that the existing pencil writing extender cannot restrain the pen holding posture is solved, the restraint and correction of the pen holding posture is achieved, and the comfort of use is improved.
Patent Information
- Application Number
- CN202520180475.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2035-02-05
AI Technical Summary
Existing pencil writing extenders cannot constrain and correct the pen-holding posture, resulting in discomfort when using the pencil.
A pencil writing extender is designed, which includes an extension tube, a locking tube and a hexagonal tube. Through threaded connection and groove design, the locking tube is made of nylon, engineering plastic or soft silicone, which can restrain the pen holding posture and correct the pen holding posture.
It can restrain and correct the pen-holding posture during use, improve the comfort of holding the pen, prevent the extension tube from rolling, and the locking tube is made of soft and comfortable material.
Smart Images
Figure CN223456708U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an extender, especially a pencil writing extender with a correct posture function. BACKGROUND
[0002] A pencil is a special pen for writing and drawing and sketching, and the pencil will gradually become shorter during use. In order to hold the shorter pencil comfortably, people have invented a pencil writing extender. The pencil writing extender can hold the shorter pencil through the extender, so as to achieve the effect of holding the pencil to write comfortably. However, the existing pencil writing extender can only make holding the shorter pencil comfortable, cannot constrain the pencil holding posture, and cannot correct the pencil holding posture. SUMMARY
[0003] The utility model provides a pencil writing extender with a correct posture function, which solves the problem that the existing pencil writing extender can only make holding the shorter pencil comfortable, cannot constrain the pencil holding posture, and cannot correct the pencil holding posture.
[0004] The utility model adopts the technical scheme of solving the above-mentioned problems:
[0005] A pencil writing extender with a correct posture function, comprising a pencil 1, which is composed of a pencil shaft 101 for fixing a pencil core 102 inside;
[0006] Further comprising an extension pipe 2, an external thread 201, a long strip-shaped through hole A 202, a locking pipe 3, a conical thread counterbore 301, a through hole B 302, a right-handed helical groove 303, and a hexagonal pipe 4. The pencil shaft 101 is externally sleeved with the extension pipe 2. The lower part of the extension pipe 2 is provided with the external thread 201. A plurality of long strip-shaped through holes A 202 are uniformly arranged on the external thread 201 of the upper part of the extension pipe 2.
[0007] The lower part of the pencil shaft 101 is sleeved with the locking pipe 3. The upper surface of the locking pipe 3 is provided with the conical thread counterbore 301. The lower surface of the locking pipe 3 is provided with the through hole B 302, which is in communication with the conical thread counterbore 301. The outer lateral wall of the locking pipe 3 is provided with the right-handed helical groove 303. The lower part of the outer lateral wall of the locking pipe 3 is provided with a chamfer 304.
[0008] The conical thread counterbore 301 on the upper part of the locking pipe 3 is screwed with the external thread 201 on the upper part of the extension pipe 2. The inner lateral wall of the extension pipe 2 clamps the pencil shaft 101 at the lower part.
[0009] The upper surface of the extension pipe 2 is fixedly provided with the hexagonal pipe 4, and the diameter of the hexagonal pipe 4 is the same as that of the extension pipe 2. The hexagonal pipe 4 prevents the extension pipe 2 from rolling.
[0010] The pitch alpha of the right-handed helical groove 303 on the locking tube 3 is 10-20 mm, the height beta of the right-handed helical groove 303 is 7-17 mm, the interval projection gamma between the right-handed helical grooves 303 is 3-8 mm, and the depth mu of the right-handed helical groove 303 is 0.5-1.5 mm.
[0011] The material of the locking tube 3 is one of nylon, engineering plastic and soft silica gel, the hardness of the locking tube 3 is low, and the locking tube 3 is comfortable to use.
[0012] The locking tube 3 can be separately sleeved on the pen barrel 101, and the through hole B302 on the locking tube 3 is in interference fit with the pen barrel 101, so that the effect of correcting the pencil holding posture is achieved by using the locking tube 3 when the pencil 1 is long.
[0013] The locking tube 3 can be separately sleeved on the lower part of the outer side wall of the automatic pencil 5, and the through hole B302 on the locking tube 3 is in interference fit with the lower part of the outer side wall of the automatic pencil 5, so that the effect of correcting the pencil holding posture is achieved by using the locking tube 3 on the automatic pencil 5.
[0014] The utility model discloses the beneficial effect that 1, by using locking tube can restrict pencil holding posture, correct pencil holding posture. 2, the six prism pipe is fixedly arranged on the upper surface of the extension pipe, and the six prism pipe is same with the inner diameter of the extension pipe, and the six prism pipe prevents the extension pipe from rolling. 3, the material of the locking tube is one of nylon, engineering plastic and soft silica gel, and the hardness of the locking tube is low, and the locking tube is comfortable to use. 4, the locking tube can be separately sleeved on the pen barrel, and the through hole B on the locking tube is in interference fit with the pen barrel, so that the effect of correcting the pencil holding posture is achieved by using the locking tube when the pencil is long. 5, the locking tube can be separately sleeved on the lower part of the outer side wall of the automatic pencil, and the through hole B on the locking tube is in interference fit with the lower part of the outer side wall of the automatic pencil, so that the effect of correcting the pencil holding posture is achieved by using the locking tube on the automatic pencil. ACCURACY OF DRAWINGS
[0015] Figure 1 It is the structure schematic view of the pencil, the extension pipe, the locking tube and the six prism pipe of the utility model;
[0016] Figure 2 It is the structure schematic view of the pencil of the utility model;
[0017] Figure 3 It is the structure schematic view of the extension pipe of the utility model;
[0018] Figure 4 It is the structure schematic view of the locking tube of the utility model;
[0019] Figure 5It is the structure schematic view of hexagonal pipe of the utility model;
[0020] Figure 6 It is the plan view of hexagonal pipe of the utility model;
[0021] Figure 7 It is the structure schematic view of pencil, locking pipe cooperation of the utility model;
[0022] Figure 8 It is the structure schematic view of locking pipe, automatic pencil cooperation of the utility model.
[0023] 1-pencil, 101-pen barrel, 102-lead; 2-elongated tube, 201-external thread, 202-long hole A; 3-locking tube, 301-cone thread counterbore, 302-hole B, 303-right spiral groove, 304-chamfer; 4-hexagonal tube; 5-automatic pencil. DETAILED DESCRIPTION
[0024] The embodiments of the utility model are further explained below in combination with the drawings.
[0025] Embodiment one:
[0026] As Figures 1 to 3 shown, the utility model provides a pencil writing elongator with positive function, including pencil 1, pencil 1 is composed by pen barrel 101 of inside fixed lead 102;
[0027] It still includes elongated tube 2, external thread 201, long hole A 202, locking tube 3, cone thread counterbore 301, hole B 302, right spiral groove 303, hexagonal tube 4, the pen barrel 101 outside sets up elongated tube 2, the lower portion of elongated tube 2 sets up external thread 201, the external thread 201 of elongated tube 2 upper sets up and evenly distributes four long hole A 202;
[0028] The pen barrel 101 lower portion sets up locking tube 3, the upper surface of locking tube 3 sets up cone thread counterbore 301, the lower surface of locking tube 3 sets up hole B 302 with the intercommunication of cone thread counterbore 301, the outer lateral wall of locking tube 3 sets up right spiral groove 303, the lower portion of the outer lateral wall of locking tube 3 sets up chamfer 304;
[0029] The cone thread counterbore 301 of locking tube 3 upper sets up and the external thread 201 of elongated tube 2 upper sets up and is screwed, and the inner lateral wall lower portion of elongated tube 2 clamps the pen barrel 101.
[0030] Meanwhile, as Figure 1 , Figure 5 , Figure 6As shown, in the embodiment, the six-prong tube 4 is fixed on the upper surface of the extension tube 2, and the six-prong tube 4 has the same inner diameter as the extension tube 2, so that the extension tube 2 is prevented from rolling.
[0031] Meanwhile, as shown in the figure, Figure 4 As shown, in the embodiment, the pitch α of the right-handed helical groove 303 on the locking tube 3 is 12 mm, the height β of the right-handed helical groove 303 is 8 mm, the interval projection γ between the right-handed helical grooves 303 is 4 mm, and the depth μ of the right-handed helical groove 303 is 0.5 mm.
[0032] The material of the locking tube 3 is nylon, and the hardness of the locking tube 3 is low, so that the use of the locking tube 3 is more comfortable.
[0033] The working principle of the embodiment is as follows: Step 1: when the pencil 1 is short, the extension tube 2 and the six-prong tube 4 are sleeved on the pen barrel 101, the locking tube 3 is sleeved on the lower part of the pen barrel 101, the conical threaded hole 301 on the locking tube 3 is screwed with the external thread 201 on the extension tube 2, the external thread 201 is deformed by extrusion, the inner side wall of the extension tube 2 clamps the pen barrel 101 from the lower part, and the position of the locking tube 3 from the lower end of the pencil core 102 is moderate.
[0034] Step 2: the middle finger tip part is placed in the right-handed helical groove 303 on the lower part of the locking tube 3, the lower part of the index finger tip is placed in the right-handed helical groove 303 on the lower part of the locking tube 3, the upper part of the thumb tip is placed in the right-handed helical groove 303 on the lower part of the locking tube 3, the contact position of the thumb tip with the locking tube 3 is higher than that of the index finger tip with the locking tube 3, the contact position of the index finger tip with the locking tube 3 is higher than that of the middle finger with the locking tube 3, the extension tube 2 is attached to the upper surface of the root of the index finger, the upper end of the six-prong tube 4 points to the arm, the wrist should not be bent, and the palm should be like holding an egg. Write with this posture, and the right-handed helical groove 303 is not used to constrain the middle finger, index finger and thumb, so as to quickly correct the pencil holding posture.
[0035] Step 3: when the pencil tip is worn out and shortened during writing, the middle finger, index finger and thumb for holding the pencil are slightly relaxed, the locking tube 3 is turned clockwise, the distance between the pencil tip and the middle finger, index finger and thumb is increased to a suitable position, the turning of the locking tube 3 is stopped, and the middle finger, index finger and thumb for holding the pencil clamp the locking tube 3 to continue writing.
[0036] Step 4: after writing, the extension tube 2 is turned in the opposite direction, the six-prong tube 4 is driven away from the locking tube 3, and the pen barrel 101 is separated from the extension tube 2, the locking tube 3 and the six-prong tube 4 respectively.
[0037] In summary, in use, the extension tube 2, locking tube 3, six-pipe 4 are assembled into a pencil writing extension device with a positive function, the pencil writing extension device with a positive function can increase the writing time of the pencil 1, and can constrain and correct the pencil holding posture.
[0038] The utility model discloses the beneficial effects of: 1, through using locking tube can constrain and correct the pencil holding posture. 2, the six-pipe is fixedly arranged on the upper surface of the extension tube, and the six-pipe is same with the inner diameter of the extension tube, and the six-pipe prevents the extension tube from rolling. 3, the material of locking tube is nylon, and the hardness of locking tube is lower, and it is more comfortable to use locking tube.
[0039] Example two:
[0040] As Figures 1 to 3 The utility model discloses a pencil writing extension device with a positive function, including pencil 1, and pencil 1 is composed of the pencil barrel 101 of inside fixed pencil core 102;
[0041] Still include extension tube 2, external thread 201, long strip shape through -hole A 202, locking tube 3, conical thread counterbore 301, through -hole B 302, right -hand spiral recess 303, six-pipe 4, the pencil barrel 101 outside sets up extension tube 2, the lower part of extension tube 2 is set up external thread 201, the external thread 201 of the upper of extension tube 2 is evenly distributed and set up six long strip shape through -hole A 202;
[0042] The pencil barrel 101 lower part sets up locking tube 3, and the upper surface of locking tube 3 is set up conical thread counterbore 301, and the lower surface of locking tube 3 is set up through -hole B 302 with conical thread counterbore 301 intercommunication, and the outer lateral wall of locking tube 3 is set up right -hand spiral recess 303, and the lower part of the outer lateral wall of locking tube 3 is set up chamfer 304;
[0043] The conical thread counterbore 301 of the upper of locking tube 3 is screwed with the external thread 201 of the upper of extension tube 2, and the inner lateral wall lower part of extension tube 2 clamps the pencil barrel 101.
[0044] Meanwhile, as Figure 4 In the embodiment, the pitch alpha of the right -hand spiral recess 303 on the upper of locking tube 3 is 15mm, the height beta of right -hand spiral recess 303 is 12mm, the interval projection gamma between right -hand spiral recess 303 is 3mm, and the depth mu of right -hand spiral recess 303 is 1mm.
[0045] The material of locking tube 3 is engineering plastics, and the hardness of locking tube 3 is lower, and it is more comfortable to use locking tube 3.
[0046] Meanwhile, asFigure 7 In the embodiment, the locking tube 3 can be sleeved on the pen barrel 101 alone, and the through hole B302 on the locking tube 3 is in interference fit with the pen barrel 101, so that the locking tube 3 can correct the holding posture when the pencil 1 is long.
[0047] The working principle of the embodiment is as follows: step one: when the pencil 1 is long, rotate the locking tube 3, the conical thread counterbore 301 on the locking tube 3 is away from the external thread 201 on the extension tube 2, stop rotating the locking tube 3, and sleeve the conical thread counterbore 301 and the through hole B302 on the locking tube 3 on the lower part of the outer sidewall of the pen barrel 101;
[0048] Step two: place the first joint of the middle finger tip on the right-hand helical groove 303 at the lower part of the locking tube 3, place the lower part of the index finger tip in the right-hand helical groove 303 at the lower part of the locking tube 3, and place the upper part of the thumb tip in the right-hand helical groove 303 at the lower part of the locking tube 3, and the contact position of the thumb tip with the locking tube 3 is higher than that of the index finger tip with the locking tube 3, and the contact position of the index finger tip with the locking tube 3 is higher than that of the middle finger with the locking tube 3, the extension tube 2 is attached to the upper surface of the root of the index finger, the upper end of the pen barrel 101 points to the arm, the wrist is not bent, and the palm is like holding an egg, and the posture is used to practice writing, the right-hand helical groove 303 restrains the middle finger, the index finger and the thumb, and quickly corrects the holding posture of the pencil;
[0049] Step three: when the pencil tip is worn and shortened during writing, the middle finger, the index finger and the thumb are slightly relaxed, the locking tube 3 is rotated clockwise, the distance between the pencil tip and the middle finger, the index finger and the thumb is increased to a suitable position, the rotation of the locking tube 3 is stopped, and the middle finger, the index finger and the thumb clamp the locking tube 3 to continue writing;
[0050] Step four: after writing, the pen barrel 101 is separated from the locking tube 3.
[0051] In summary, in use, the locking tube 3 can be sleeved on the pencil 1, so that the holding posture of the pencil can be restrained and corrected.
[0052] The utility model discloses the beneficial effects that 1, through using locking tube can restrain the holding posture of pencil, correct the holding posture of pencil.
[0053] The locking tube can be sleeved on the pen barrel alone, and the through hole B on the locking tube is in interference fit with the pen barrel, so that the locking tube can correct the holding posture when the pencil is long.
[0054] Example three:
[0055] As Figures 1 to 3 The utility model provides a pencil writing extension device with positive function, including pencil 1, pencil 1 is composed of pen barrel 101 of internal fixed lead 102,
[0056] It further includes extension pipe 2, external thread 201, long strip shape through -hole A 202, locking pipe 3, conical thread counterbore 301, through -hole B 302, right -hand helical groove 303, hexagonal pipe 4, the pen barrel 101 outside sets up extension pipe 2, the lower part of extension pipe 2 is provided with external thread 201, the external thread 201 of the upper part of extension pipe 2 is evenly provided with three long strip shape through -hole A 202,
[0057] The pen barrel 101 lower part sets up locking pipe 3, the upper surface of locking pipe 3 is provided with conical thread counterbore 301, the lower surface of locking pipe 3 is provided with through -hole B 302 with conical thread counterbore 301 intercommunication, the outer lateral wall of locking pipe 3 is provided with right -hand helical groove 303, the lower part of the outer lateral wall of locking pipe 3 is provided with chamfer 304,
[0058] The conical thread counterbore 301 of the upper part of locking pipe 3 is screwed with the external thread 201 of the upper part of extension pipe 2, and the lower part of the inner lateral wall of extension pipe 2 clamps the pen barrel 101.
[0059] At the same time, as Figure 4 In the embodiment, the pitch α of the right -hand helical groove 303 on the upper part of the locking pipe 3 is 17 mm, the height β of the right -hand helical groove 303 is 12 mm, the interval projection γ between the right -hand helical groove 303 is 5 mm, and the depth μ of the right -hand helical groove 303 is 1.5 mm.
[0060] The material of the locking pipe 3 is soft silica gel, and the hardness of the locking pipe 3 is relatively low, so that the locking pipe 3 is more comfortable to use.
[0061] The locking pipe 3 can be individually sleeved on the lower part of the outer lateral wall of the automatic pencil 5, and the through -hole B 302 on the upper part of the locking pipe 3 is in interference fit with the lower part of the outer lateral wall of the automatic pencil 5, so that the locking pipe 3 is used on the automatic pencil 5 to achieve the effect of correcting the pencil holding posture.
[0062] The working principle of the specific embodiment is as follows: step one: rotate the locking pipe 3, the conical thread counterbore 301 on the upper part of the locking pipe 3 is away from the external thread 201 on the upper part of the extension pipe 2, stop rotating the locking pipe 3, and sleeve the conical thread counterbore 301 and the through -hole B 302 on the upper part of the locking pipe 3 on the lower part of the outer lateral wall of the automatic pencil 5;
[0063] Step two: the middle finger tip part first section upper surface rear part close to the nail edge position is placed in the right screw groove 303 of the lower part of the locking tube 3, the index finger tip lower part is placed in the right screw groove 303 of the lower part of the locking tube 3, the thumb tip upper part is placed in the right screw groove 303 of the lower part of the locking tube 3, and the contact position of the thumb tip with the locking tube 3 is higher than the contact position of the index finger tip with the locking tube 3, the contact position of the index finger tip with the locking tube 3 is higher than the contact position of the middle finger with the locking tube 3, the automatic pencil 5 is pasted on the upper surface of the index finger root part, the upper end of the automatic pencil 5 points to the arm, the wrist should not be bent, the palm is like holding an egg, and the posture of writing is practiced in this posture; the screw groove 303 restricts the middle finger, the index finger and the thumb, and the pencil holding posture is quickly corrected.
[0064] Step three: when the pencil tip is worn and shortened during writing, the middle finger, the index finger and the thumb for holding the pencil are slightly relaxed, the locking tube 3 is rotated clockwise, the distance between the pencil tip and the middle finger, the index finger and the thumb is increased to a suitable position, the rotation of the locking tube 3 is stopped, and the middle finger, the index finger and the thumb for holding the pencil clamp the locking tube 3 to continue writing.
[0065] Step four: after writing, the automatic pencil 5 is separated from the locking tube 3.
[0066] In summary, in use, the locking tube 3 is sleeved on the automatic pencil 5, the pencil holding posture is restricted, and the pencil holding posture is corrected.
[0067] The utility model discloses the beneficial effects are as follows: 1, by using locking tube can restrict pencil holding posture, correct pencil holding posture. 2, the material of locking tube is soft silica gel, and the hardness of locking tube is lower, and it is more comfortable to use locking tube. 3, the locking tube can be individually sleeved on the lower part of the outer lateral wall of the automatic pencil, and the through -hole B on the locking tube is arranged and the lower part of the outer lateral wall of the automatic pencil is in interference fit, so that the locking tube is used on the automatic pencil to reach the effect of correcting pencil holding posture.
[0068] The specific embodiments of the utility model do not constitute the limitation to the utility model, and all the similar structures and changes adopting the utility model are within the protection scope of the utility model.
Claims
1. A pencil writing extender with positive attitude function, comprising a pencil (1) composed of a pencil shaft (101) with an internal fixed pencil core (102); characterized in that Further comprising an extension tube (2), an external thread (201), a strip-shaped through hole A (202), a locking tube (3), a conical threaded counterbore (301), a through hole B (302), a right-handed helical groove (303), a hexagonal tube (4), the pencil shaft (101) is externally sleeved with the extension tube (2), the lower part of the extension tube (2) is provided with an external thread (201), and a plurality of strip-shaped through holes A (202) are uniformly arranged at the external thread (201) of the upper part of the extension tube (2); The lower part of the pencil shaft (101) is sleeved with the locking tube (3), the upper surface of the locking tube (3) is provided with a conical threaded counterbore (301), the lower surface of the locking tube (3) is provided with a through hole B (302) in communication with the conical threaded counterbore (301), the outer lateral wall of the locking tube (3) is provided with a right-handed helical groove (303), and the lower part of the outer lateral wall of the locking tube (3) is provided with a chamfer (304); The conical threaded counterbore (301) arranged on the locking tube (3) is screwed with the external thread (201) arranged on the extension tube (2), and the lower part of the inner lateral wall of the extension tube (2) clamps the pencil shaft (101).
2. A pencil writing extender with positive attitude function as claimed in claim 1 wherein: The upper surface of the extension tube (2) is fixedly provided with a hexagonal tube (4), and the hexagonal tube (4) has the same inner diameter as the extension tube (2).
3. A pencil writing extender with positive attitude function as defined in claim 1, wherein: The pitch α of the right-handed helical groove (303) arranged on the locking tube (3) is 10-20 mm, the height β of the right-handed helical groove (303) is 7-17 mm, the interval projection γ between the right-handed helical grooves (303) is 3-8 mm, and the depth μ of the right-handed helical groove (303) is 0.5-1.5 mm.
4. A pencil writing extender with positive attitude function as defined in claim 1, wherein: The material of the locking tube (3) is one of nylon, engineering plastic and soft silica gel.
5. A pencil writing extender with positive attitude function as defined in claim 1, wherein: The locking tube (3) can be independently sleeved on the pencil shaft (101), and the through hole B (302) arranged on the locking tube (3) is in interference fit with the pencil shaft (101).