CN215590341U

CN215590341U - Improved structure of gel ink pen point

Info

Publication number: CN215590341U
Application number: CN202122123128.5U
Authority: CN
Inventors: 刘凤清
Original assignee: Shantou Meihua Stationery Co ltd
Current assignee: Shantou Meihua Stationery Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-21
Anticipated expiration: 2031-09-03

Abstract

The utility model provides an improved structure of a gel ink pen head, which belongs to the technical field of stationery and comprises a pen core tube, wherein the lower end of the pen core tube is communicated with a conical tube, an ink storage cavity is arranged in the pen core tube and the conical tube, a semi-needle tube is inserted in the conical tube and is communicated with the ink storage cavity, a ball is embedded in the semi-needle tube, an elastic snap ring is fixed on the circumferential surface of the semi-needle tube, an annular groove is formed in the conical tube and is matched with the elastic snap ring, anti-skid lines are arranged on the circumferential surface of the semi-needle tube, and the elastic snap ring is made of an elastic expansion material.

Description

Improved structure of gel ink pen point

Technical Field

The utility model belongs to the technical field of stationery, and particularly relates to an improved structure of a gel ink pen point.

Background

Gel pen (Gel pen), short for Gel ink ball pen, originated in japan and is a novel writing instrument that is popular in east asia. The gel-ink pen can be divided into gel-ink pens of different types according to pen point types, ink colors, structures and the like, people can select the gel-ink pen according to own requirements, the gel-ink pen has the advantages of a fountain pen and an oil-based ball-point pen, the writing hand feeling is comfortable, the ink viscosity is lower, a proper lubricant is added, the viscosity of a writing medium is between that of water and oil, and therefore the gel-ink pen is smoother than a common oil-based ball-point pen and is an upgrading and updating product of the oil-based ball-point pen.

In the prior art, most of gel ink pens and a pen core tube are in an assembled structure at the pen head part, the processing cost is high, the oil outlet smoothness is not good enough, and meanwhile, the existing gel ink pen head cannot be replaced once damaged, and a large amount of unused ink is wasted, so that an improved structure of the center pen head is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved structure of a gel ink pen head, and aims to solve the problems that most gel ink pens in the prior art adopt an assembled structure with a pen core tube at the pen head part, the processing cost is high, the oil outlet smoothness is not good enough, and meanwhile, the existing gel ink pen head cannot be replaced once damaged, a large amount of unused ink is wasted, and the like.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an improvement structure of gel ink pen head includes refill pipe, refill pipe's lower extreme communicating pipe has the toper pipe, refill pipe and toper intraductal storage ink chamber that is provided with, peg graft in the toper pipe has half needle tubing, and half needle tubing and storage ink chamber intercommunication, the embedded ball that is equipped with of half needle tubing, the circumference of half needle tubing is fixed with the snap ring on the surface, the annular has been seted up in the toper pipe, and annular and snap ring phase-match, the circumference of half needle tubing has seted up anti-skidding line on the surface, the snap ring adopts the elasticity inflation material.

Preferably, a chuck is fixed on the circumferential surface of the pen core tube, and the chuck is arranged at the connection part of the pen core tube and the conical tube.

Preferably, a sealing ring is fixed on the circumferential surface of the half needle tube and matched with the circumferential inner wall of the conical tube.

Preferably, the corners of the inner wall of the ink storage cavity are provided with arc chamfers.

Preferably, a stopper is fixed on the upper part of the circumferential inner wall of the refill tube.

Preferably, an oil through groove is formed in the half needle tube and is communicated with the ink storage cavity.

Preferably, the diameter of the bead is set to 0.5 mm.

Preferably, the lower part of the circumferential inner wall of the ink storage cavity is provided with a downward drawing taper.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the scheme, the whole gel pen head structure is reasonable in arrangement and ingenious in conception, the structure of common gel pen assembly is changed, the processing mold of the pen head is simplified, the processing cost is reduced, the semi-needle tube in the pen head is replaceable, the gel pen is convenient to recycle and strong in practicability, and the problems that most gel pens in the prior art and the pen core tube adopt an assembly type structure at the pen head part, the processing cost is high, the smoothness of oil production is not good enough, meanwhile, the existing gel pen head cannot be replaced once damaged, a large amount of unused ink is wasted and the like are solved effectively. The half needle tubing after will extracting after extracting inserts in the new conical tube that has printing ink, peg graft the back and go into the annular in the conical tube through the snap ring card on the half needle tubing, not only improve the leakproofness of whole pen, also can let the nib more firm when writing simultaneously to whole dismouting process is comparatively convenient, is favorable to the sustained use of resource.

2. In the scheme, the arrangement of the chuck is convenient for the whole device to be installed in the pen container for limiting, the device is adapted to the current universal pen container on the market, the adaptability of the device is improved, the arrangement of the sealing ring improves the sealing property of the connection between the whole semi-needle tube and the tapered tube, the leakage of ink is prevented, the arc chamfers are arranged at the corners of the inner wall of the ink storage cavity to effectively improve the smoothness of ink flowing down when the whole pen point writes, the blocking arrangement improves the ink loading capacity in the pen core tube after the inner diameter of the whole pen core tube is enlarged, the entering of sundries or dust in the pen core tube is prevented, the writing smoothness is influenced, the oil through groove in the semi-needle tube is communicated with the ink storage cavity and is communicated with a ball at the bottom, the continuous writing is convenient, the writing character can be provided with universality by setting the diameter of the ball to be 0.5mm, the taper of the downward drawing die is arranged at the lower part of the circumferential inner wall of the ink storage cavity to be adapted to the taper of the tapered tube, can also improve the writing smoothness of the ink in the ink storage cavity.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a partial view taken at B of FIG. 2 in accordance with the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4 in accordance with the present invention;

fig. 6 is a partial view at C of fig. 5 of the present invention.

In the figure: 1. a refill tube; 101. a tapered tube; 102. a chuck; 103. blocking; 104. a ring groove; 105. an ink storage chamber; 2. a half needle tube; 201. an elastic snap ring; 202. anti-skid lines; 203. a seal ring; 3. a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides an improved structure of gel ink pen head includes refill tube 1, refill tube 1's lower extreme communicating pipe has conical tube 101, refill tube 1 and conical tube 101 are provided with in and store up ink chamber 105, it has half needle tube 2 to peg graft in conical tube 101, and half needle tube 2 and store up ink chamber 105 intercommunication, the embedded ball 3 that is equipped with of half needle tube 2, be fixed with elastic snap ring 201 on half needle tube 2's the circumferential surface, annular 104 has been seted up in the conical tube 101, and annular 104 and elastic snap ring 201 phase-match, anti-skidding line 202 has been seted up on half needle tube 2's the circumferential surface, elastic snap ring 201 adopts the elasticity inflation material.

In the specific embodiment of the utility model, the whole gel ink pen head structure is reasonably arranged, the conception is ingenious, the structure of assembling a common gel ink pen is changed, the processing mould of the pen head is simplified, the processing cost is reduced, the half needle tube in the pen head is replaceable, the cyclic utilization is convenient, the practicability is strong, and the problems that most gel ink pens in the prior art adopt an assembled structure with the pen core tube at the pen head part, the processing cost is higher, the oil outlet smoothness is not good enough, and simultaneously, the existing gel ink pen head cannot be replaced once damaged, a large amount of unused ink is wasted and the like are effectively solved, when the gel ink pen is used, the ink storage cavity 105 in the pen core tube 1 and the conical tube 101 stores writing ink, the ink reaches the half needle tube 2 through the ink storage cavity 105 and is written through the ball 3 embedded in the half needle tube 2, and when the pen core tube 1 needs to be replaced, the anti-slip veins 202 on the half needle tube 2 can be aligned and clamped and pulled out through a special tool, after the pen is pulled out, the half needle tube 2 after being pulled out is inserted into the new conical tube 101 with the printing ink, and after the pen is inserted, the elastic clamping ring 201 on the half needle tube 2 is clamped into the annular groove 104 in the conical tube 101, so that the sealing performance of the whole pen is improved, the pen point can be more stable when the pen is used for writing, the whole assembling and disassembling process is convenient, and the continuous utilization of resources is facilitated.

Specifically, a chuck 102 is fixed to a circumferential surface of the cartridge holder 1, and the chuck 102 is provided at a junction of the cartridge holder 1 and the tapered tube 101.

In this embodiment: the chuck 102 is convenient for the whole device to be mounted in the pen container for limiting, and the device is matched with a universal pen container on the market at present, so that the adaptability of the device is improved.

Specifically, a sealing ring 203 is fixed on the circumferential surface of the half needle tube 2, and the sealing ring 203 is matched with the circumferential inner wall of the conical tube 101.

In this embodiment: the sealing ring 203 improves the sealing property of the connection between the whole half needle tube 2 and the tapered tube 101, and prevents the ink from leaking.

Specifically, the corners of the inner wall of the ink storage cavity 105 are provided with arc chamfers.

In this embodiment: the arc chamfers are arranged at the corners of the inner wall of the ink storage cavity 105, so that the smoothness of ink flowing downwards when the whole pen point writes can be effectively improved.

Specifically, a stopper 103 is fixed to an upper portion of a circumferential inner wall of the cartridge holder 1.

In this embodiment: the arrangement of the stopper 103 increases the ink loading capacity in the refill tube 1 after the inner diameter of the entire refill tube 1 is enlarged, and prevents foreign materials or dust from entering the refill tube 1 to affect the writing smoothness.

Specifically, an oil through groove is formed in the half needle tube 2, and the oil through groove is communicated with the ink storage cavity 105.

In this embodiment: the oil through groove in the semi-needle tube 2 is communicated with the ink storage cavity 105 and is communicated with the ball 3 at the bottom, so that continuous writing is facilitated.

Specifically, the diameter of the ball 3 is set to 0.5 mm.

In this embodiment: the writing can be made universal by setting the diameter of the ball 3 to 0.5 mm.

Specifically, the lower portion of the circumferential inner wall of the ink storage chamber 105 is provided with a downward draft taper.

In this embodiment: the taper of the downward drawing die arranged on the lower part of the circumferential inner wall of the ink storage cavity 105 can be matched with the taper of the tapered tube 101, and the writing fluency of the ink in the ink storage cavity 105 can also be improved.

The working principle and the using process of the utility model are as follows: when the utility model is used, the ink storage cavity 105 in the refill tube 1 and the conical tube 101 stores writing ink, the ink reaches the semi-needle tube 2 through the ink storage cavity 105 and is written through the ball 3 embedded in the semi-needle tube 2, after the ink is written, when the refill tube 1 needs to be replaced, the refill tube can be aligned to the anti-skid veins 202 on the semi-needle tube 2 through a special tool and is clamped and pulled out, the pulled-out semi-needle tube 2 is inserted into a new conical tube 101 with the ink after being pulled out, the inserted semi-needle tube 2 is clamped into the annular groove 104 in the conical tube 101 through the elastic snap ring 201 on the semi-needle tube 2, the sealing performance of the whole pen is improved, the pen point can be more stable during writing, the whole disassembly and assembly process is more convenient, the continuous utilization of resources is facilitated, the chuck 102 is convenient for the whole device to be installed in the pen container for limiting, the general pen container in the market is adapted, and the adaptability of the device is improved, the sealing ring 203 is arranged to improve the sealing performance of the connection between the whole semi-needle tube 2 and the conical tube 101 and prevent ink leakage, the arc chamfers are arranged at the corners of the inner wall of the ink storage cavity 105 to effectively improve the smoothness of ink flowing downwards when the whole pen point writes, the blocking 103 is arranged to improve the ink loading capacity in the pen core tube 1 after the inner diameter of the whole pen core tube 1 is enlarged to prevent sundries or dust from entering the pen core tube 1 and influence the writing smoothness, the oil through groove in the semi-needle tube 2 is communicated with the ink storage cavity 105 and is communicated with the ball 3 at the bottom to facilitate continuous writing, the diameter of the ball 3 is set to be 0.5mm to ensure that the written characters have universality, the taper of the downward drawing die arranged at the lower part of the circumferential inner wall of the ink storage cavity 105 can be matched with the taper of the conical tube 101 and also improve the writing smoothness of the ink in the ink storage cavity 105, the structure of the whole neutral pen head is reasonable and ingenious in conception, the structure of common gel ink pen equipment is changed, the mold processing of nib is simplified, the processing cost is reduced, and half needle tubing in the nib is removable, the cyclic utilization of being convenient for, the practicality is strong, effectively solve the gel ink pen among the prior art at the nib position most with the refill tube adopt the structure of assembled, its processing cost is higher and the smooth and easy degree of producing oil is good inadequately, current gel ink pen nib once damages unable change simultaneously, has wasted a large amount of printing ink scheduling problems that do not use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an improvement structure of gel ink pen head which characterized in that: including refill tube (1), the lower extreme of refill tube (1) is communicating pipe has conical tube (101), be provided with in refill tube (1) and conical tube (101) and store up ink chamber (105), it has half needle tubing (2) to peg graft in conical tube (101), and half needle tubing (2) and store up ink chamber (105) intercommunication, the embedded ball (3) that is equipped with in half needle tubing (2), the circumference of half needle tubing (2) is fixed with elastic clasp (201) on the surface, annular (104) have been seted up in conical tube (101), and annular (104) and elastic clasp (201) phase-match, anti-skidding line (202) have been seted up on the circumference surface of half needle tubing (2), elastic clasp (201) adopt the elasticity inflation material.

2. The improved structure of the neutral pen point of claim 1, characterized in that: the circumferential surface of the pen core tube (1) is fixed with a chuck (102), and the chuck (102) is arranged at the connecting part of the pen core tube (1) and the conical tube (101).

3. The improved structure of the neutral pen point of claim 2, characterized in that: and a sealing ring (203) is fixed on the circumferential surface of the half needle tube (2), and the sealing ring (203) is matched with the circumferential inner wall of the conical tube (101).

4. The improved structure of the neutral pen tip as claimed in claim 3, characterized in that: and arc chamfers are arranged at the corners of the inner wall of the ink storage cavity (105).

5. The improved structure of the neutral pen point of claim 4, characterized in that: the upper part of the circumferential inner wall of the refill tube (1) is fixed with a block (103).

6. The improved structure of the neutral pen point of claim 5, characterized in that: an oil through groove is formed in the half needle tube (2) and communicated with the ink storage cavity (105).

7. The improved structure of the neutral pen point of claim 6, characterized in that: the diameter of the ball (3) is set to 0.5 mm.

8. The improved structure of the neutral pen point of claim 7, characterized in that: the lower part of the circumferential inner wall of the ink storage cavity (105) is provided with a downward drawing taper.