CN217753303U

CN217753303U - Ceramic ball-point pen head and water ball-point pen refill

Info

Publication number: CN217753303U
Application number: CN202221316602.4U
Authority: CN
Inventors: 李彦锦
Original assignee: Ningbo Huafeng Stationery Co ltd
Current assignee: Ningbo Huafeng Stationery Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-08
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a pottery ball-point pen nib and waterborne ball-point pen refill, wherein pottery ball-point pen nib includes: the ball seat body is located the top of the containing cavity extends inwards along the inner wall to form an annular supporting seat, the supporting seat is provided with a supporting surface used for limiting the ceramic ball, and a microstructure is arranged on the supporting surface. The utility model discloses ceramic ball-point pen head and waterborne ball-point pen refill pass through the bearing of ball seat body and the cooperation of bowl mouth with the restriction of ceramic ball at the holding intracavity, are provided with the micro-structure that comprises a plurality of bumps at the holding surface of bearing, increase the roughness of holding surface, are favorable to the ink to form the liquid film on the holding surface to increase the black volume of taking of ceramic ball, effectively avoid appearing the not enough situations of supplying ink such as disconnected china ink, guarantee to write the effect.

Description

Ceramic ball-point pen head and water ball-point pen refill

Technical Field

The utility model relates to a writing pen technical field, in particular to pottery ball-point pen nib and waterborne ball-point pen refill.

Background

The writing principle of the water-based ball pen is mainly that the ball directly contacts with a paper surface to generate friction force when writing, so that the ball rolls in the ball seat body to bring out ink or ink in the pen core, and the purpose of writing is achieved. Such writing pens have been developed in recent years because they can use tips of various shapes, and use aqueous ink to make writing smooth and fit the writing habit of people.

The ceramic ball has the advantages of excellent chemical stability, acid and alkali resistance, electrochemical corrosion resistance and the like, and has higher hardness and strength, so that the ceramic ball can replace a metal ball on a traditional ball pen. However, the ceramic ball has the problem of insufficient ink supply, such as ink break easily caused by small ink carrying amount during writing. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a ceramic ball-point pen head and waterborne ball-point pen refill has and utilizes the ink to form the liquid film and take the china ink volume in order to increase ceramic ball, effectively avoids appearing the situation that supplies ink such as disconnected china ink is not enough, guarantees to write the effect.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: a ceramic ballpoint pen tip comprising: the ball seat body is located the top of the containing cavity extends inwards along the inner wall to form an annular supporting seat, the supporting seat is provided with a supporting surface used for limiting the ceramic ball, and a microstructure is arranged on the supporting surface.

As a further improvement of the present invention, the microstructure is formed by a plurality of bumps arranged along the surface array of the supporting surface.

As a further improvement of the utility model, the ball seat body has the ink flow channel that is formed by its inside cavity, the annular interval is provided with on the bearing a plurality of communicate in the ink flow channel with the lower china ink groove in holding chamber, the lower extreme in china ink groove all is in on the bearing surface down.

As a further improvement of the utility model, the ceramic ball is a zirconia ball, and the Mohs hardness thereof is 8-9.

As a further improvement of the utility model, the surface roughness of the ceramic ball is 0.015-0.025 μm.

As a further improvement of the utility model, the ball seat body is in the shape of a bullet head, a needle tube or a gourd head.

The utility model also provides a waterborne ball-point pen refill, include: the ball seat body is fixed on the refill tube through the ink guiding assembly, and the ink guiding assembly is used for guiding the ink to the ceramic ball pen point.

As a further improvement of the present invention, the viscosity of the ink is 2 to 10mPa.s.

The utility model has the advantages that:

1. the utility model provides a ceramic ball-point pen point and water-based ball-point pen refill, through the supporting seat of the ball seat body and the cooperation of bowl mouth with the ceramic ball-point pen limit in the holding intracavity, be provided with the micro-structure that comprises a plurality of bumps at the holding surface of supporting seat, increase the surface roughness of holding surface, be favorable to the ink to form the liquid film on the holding surface, with the black volume of taking of increase ceramic ball-point, effectively avoid appearing the situation that the ink supply is not enough such as disconnected china ink, guarantee to write the effect;

2. the ceramic ball adopts the high-hardness zirconia ball, and the surface roughness is increased, so that the ink carrying capacity of the ceramic ball can be further increased, and the ceramic ball has better wear resistance, smooth writing and better use hand feeling, and meanwhile, the abrasion to the ball seat body is small, so that the writing life of the pen point can be prolonged;

3. the water-based ink with low viscosity and high affinity ceramic balls is adopted, so that an even ink liquid film can be formed on the surfaces of the ceramic balls, and the ink is more uniform.

Drawings

FIG. 1 is a perspective view of a ceramic ball-point pen head of the present invention using a bullet-shaped ball socket body;

FIG. 2 is a cross-sectional view of a ceramic ball-point pen head of the present invention using a bullet-shaped ball seat body;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

FIG. 4 is a partially enlarged view of the upper bearing surface of the ceramic ball point pen head of the present invention;

FIG. 5 is a perspective view of a needle-type ball seat body used in the ceramic ball-point pen head of the present invention;

FIG. 6 is a perspective view of the ceramic ball-point pen head of the present invention using a gourd-shaped ball seat;

FIG. 7 is a perspective view of the water-based ball-point pen refill of the present invention;

fig. 8 is an exploded view of the water-based ball-point pen refill of the present invention.

The following description is made with reference to the accompanying drawings:

1. a ball seat body; 101. an accommodating cavity; 102. a bowl mouth; 103. a supporting seat; 1031. a bearing surface; 1032. salient points; 1033. a lower ink tank; 104. an ink flow channel; 2. ceramic beads; 3. a refill tube; 4. an ink reservoir; 5. a water diversion core; 6. and (4) a joint.

Detailed Description

The following description of the preferred embodiments of the present invention will be made in conjunction with the accompanying drawings.

Example one

Referring to fig. 1 to 4, the present invention provides a ceramic ball pen head, including: a ball seat body 1 and a ceramic ball 2. In this embodiment, the ball housing body 1 is shaped like a bullet head having an ink flow passage 104 formed with a hollow interior. The ball seat body 1 is provided with a containing cavity 101 at the lower end, the bottom of the ball seat body 1 in the containing cavity 101 is provided with a bowl opening 102 in the shape of an inward necking, and the ceramic ball 2 can be movably contained in the containing cavity 101 and at least partially protrudes out of the bowl opening 102.

Referring to fig. 3, the ball seat body 1 is located at the top of the accommodating cavity 101 and extends inwards along the inner wall to form an annular supporting seat 103, and the supporting seat 103 and the bowl opening 102 cooperate to limit the ceramic ball 2 in the accommodating cavity 101. The middle of the supporting base 103 has a through hole for communicating the ink flow channel 104 and the accommodating chamber 101. The bottom of the support base 103 has a support surface 1031, and the support surface 1031 is an arc-shaped conical surface matching the ceramic ball 2. When pressure is applied to the ceramic ball 2 in the writing process, the corresponding spherical surface of the ceramic ball 2 is abutted and limited on the supporting surface 1031. The supporting seat 103 is provided with a plurality of lower ink grooves 1033 communicated with the ink flowing channel 104 and the accommodating cavity 101 at equal intervals along the axial direction of the ball seat body 1, and the lower ends of the lower ink grooves 1033 are all positioned on the supporting surface 1031.

Referring to fig. 4, the supporting surface 1031 is provided with a microstructure, which is specifically composed of a plurality of bumps 1032 arranged along the surface array of the supporting surface 1031, so as to increase the surface roughness of the supporting surface 1031, and when the ink flows onto the supporting surface 1031 along the lower ink groove 1033, the ink is favorable for forming a liquid film on the supporting surface 1031, so as to increase the ink carrying amount of the ceramic ball 2, effectively avoid the ink supply insufficiency such as ink break, and ensure the writing effect.

In this embodiment, the ceramic beads 2 are preferably zirconia beads, and the mohs hardness of the ceramic beads 2 reaches 8 to 9 by increasing the bulk density of zirconia, so as to improve the strength and hardness of the ceramic beads 2, and improve the wear resistance. This application can guarantee to write through adopting this ceramic ball 2 and be in the same direction as smooth, uses and feels and experience betterly, and is little to 1 wearing and tearing of ball seat body simultaneously, can increase the life-span of writing of nib.

In addition, the surface roughness of the ceramic ball 2 is increased to 0.015-0.025 mu m, so that the ink carrying amount of the ceramic ball 2 can be further increased, and the ink discharging is more uniform.

Referring to fig. 5 and 6, it is understood that the shape of the ball seat body 1 is also applicable to a needle tube type or a gourd-head type, and other shapes not exemplified in the present application are also possible, and will not be described in detail herein.

Example two

Referring to fig. 7 and 8, the present invention also provides a water-based ball-point pen refill, comprising: the ceramic ball-point pen head, the cartridge holder 3, the ink-guiding assembly, the joint 6 and the ink filled in the cartridge holder 3 in the first embodiment. The ink guiding assembly comprises an ink reservoir 4 and a water guiding core 5, a tip sleeve is arranged at the lower end of the ink reservoir 4, the ink reservoir 4 is inserted into the inner cavity of the refill tube 3 from the bottom opening of the refill tube 3, and the tip sleeve is exposed outside. The joint 6 is fitted around the outside of the tip of the ink reservoir 4 and is fixedly mounted at the open end of the cartridge holder 3 while pressing the ink reservoir 4 against the cartridge holder 3. The ink reservoir 4 is provided with a middle hole along the axis, the water diversion core 5 is fixedly inserted in the middle hole, and the upper end of the water diversion core 5 is exposed out of the top of the ink reservoir 4 and extends into the inner cavity of the refill tube 3 to be contacted with ink. The ball seat body 1 is fixed in a tip sleeve of the ink reservoir 4, and the lower end of the water diversion core 5 extends into the ball seat body 1 and is used for guiding ink to the ceramic ball 2.

Further, the ink of the present application improves the affinity between the ink and the ceramic beads 2 by adding an active agent, and the viscosity of the ink is formulated to be 2 to 10mpa.s, so that a uniform ink liquid film can be formed on the surface of the ceramic beads 2 by using the aqueous ink of the low-viscosity high-affinity ceramic beads.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only a preferred embodiment of the invention, which can be embodied in many different forms and is therefore not limited to the specific embodiments disclosed above. While the invention has been described with reference to specific embodiments, it will be apparent to one skilled in the art that various changes and modifications can be made, and equivalents employed, without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. A ceramic ball-point pen head, comprising: ball pedestal (1) and ceramic ball (2), the lower extreme of ball pedestal (1) is provided with holding chamber (101), the mobilizable holding of ceramic ball (2) just bowl mouth (102) of this holding chamber (101) bottom is exposed to at least part protruding in holding chamber (101), ball pedestal (1) is located the top department of holding chamber (101) is formed with annular bearing (103) along the inside extension of inner wall, bearing (103) have be used for right ceramic ball (2) spacing bearing surface (1031), be provided with the microstructure on bearing surface (1031).

2. The ceramic ballpoint pen tip as described in claim 1, wherein: the microstructure is formed by a plurality of bumps (1032) arranged along the surface array of the supporting surface (1031).

3. The ceramic ballpoint pen tip as recited in claim 1, wherein: the ball seat body (1) is provided with an ink flowing channel (104) formed by hollowing the inside of the ball seat body, a plurality of lower ink grooves (1033) communicated with the ink flowing channel (104) and the accommodating cavity (101) are arranged on the supporting seat (103) at intervals in an annular mode, and the lower ends of the lower ink grooves (1033) are all located on the supporting surface (1031).

4. The ceramic ballpoint pen tip as recited in claim 1, wherein: the ceramic ball (2) is a zirconia ball, and the Mohs hardness of the zirconia ball is 8-9.

5. The ceramic ballpoint pen tip as described in claim 1, wherein: the surface roughness of the ceramic ball (2) is 0.015-0.025 mu m.

6. The ceramic ballpoint pen tip as recited in claim 1, wherein: the ball seat body (1) is in a bullet head shape, a needle tube shape or a calabash head shape.

7. An aqueous ballpoint pen refill, comprising: the ceramic ball-point pen head according to any one of claims 1 to 6, the refill tube (3), the ink-guiding assembly and the ink filled in the refill tube (3), wherein the ball seat body (1) is fixed on the refill tube (3) through the ink-guiding assembly, and the ink-guiding assembly is used for guiding the ink to the ceramic ball-point pen head (2).

8. A ballpoint pen refill for aqueous pen as claimed in claim 7, wherein: the viscosity of the ink is 2 to 10mPa.s.