CN219191733U

CN219191733U - Double-head direct liquid type mark pen

Info

Publication number: CN219191733U
Application number: CN202222560872.6U
Authority: CN
Inventors: 李彦锦
Original assignee: Ningbo Huafeng Stationery Co ltd
Current assignee: Ningbo Huafeng Stationery Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-16
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a double-head direct liquid type mark pen, which comprises: the pen comprises a pen holder, a tip sleeve, a pen point and a liquid seal piece, wherein the tip sleeve is inserted into one end of the pen holder, the liquid seal piece is arranged in a cavity between the pen holder and the tip sleeve and separates an ink storage cavity, and the pen point is inserted into the tip sleeve; the pen point is provided with a writing part and a water diversion part which are integrally connected, the water diversion part upwards penetrates through the liquid seal piece to extend into the ink storage cavity, the ink storage cavity is used for guiding ink in the ink storage cavity to the writing part, and the writing part extends out of the tip sleeve and is used for writing. This direct liquid formula mark pen of double-end is through being provided with integrative portion of writing and diversion portion on the nib, and diversion portion passes cotton and the liquid seal piece that absorbs water and stretches into the ink storage intracavity, plays the guide ink function, even falls or the nib receives under the circumstances of external effort at mark pen, also can not lead to writing portion and diversion portion separation to guarantee to write continuous black.

Description

Double-head direct liquid type mark pen

Technical Field

The utility model relates to the technical field of marker pens, in particular to a double-head direct-liquid type mark pen.

Background

Mark pen (marker pen), also called marker pen, is a drawing color pen for writing or drawing, which itself contains ink and is usually attached with a pen cap. The ink used by the mark pen has volatility, is used for one-time quick drawing, and is often used for occasions such as design articles, advertisement slogans, poster drawing or other artistic creation.

At present, a mark pen on the market is generally of a cotton core type, a water diversion core is arranged on part of the mark pen in a straight liquid mode, one end of the water diversion core is in contact with ink, the other end of the water diversion core is in contact with a pen point, and the mark pen is used for continuously sucking the ink to the pen head. Because the water diversion core and the pen point are split, when the mark pen falls from a high place, the pen point can be easily caused to be out of the way, so that the pen point and the water diversion core are separated, and the writing ink is broken. Accordingly, there is a need for improvements in the art that overcome the shortcomings of the prior art.

Disclosure of Invention

The utility model aims to provide a double-head direct-liquid type mark pen, which overcomes the defect that the ink breaking of writing is caused by the separation risk of a pen point and a water diversion core of the existing mark pen.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a dual-ended direct fluid type mark pen comprising: the pen comprises a pen holder, a tip sleeve, a pen point and a liquid seal piece, wherein the tip sleeve is inserted into one end of the pen holder, the liquid seal piece is arranged in a cavity between the pen holder and the tip sleeve and separates an ink storage cavity, and the pen point is inserted into the tip sleeve; the pen point is provided with a writing part and a water diversion part which are integrally connected, the water diversion part upwards penetrates through the liquid seal piece to extend into the ink storage cavity, the ink storage cavity is used for guiding ink in the ink storage cavity to the writing part, and the writing part extends out of the tip sleeve and is used for writing.

As a further development of the utility model, the diameters of the writing section and the water-guiding section at the junction are different from each other, and a stepped surface is formed on the nib, which stepped surface stops against the nib.

As a further improvement of the utility model, the top of the liquid seal member extends out of the baffle table towards the inside of the ink storage cavity, and the upper end surface of the water diversion part is propped against the baffle table.

As a further improvement of the utility model, the water-absorbing cotton is arranged in the tip sleeve and sleeved on the water diversion part.

As a further development of the utility model, the liquid seal is inserted in the sleeve in an interference fit and presses the absorbent cotton.

As a further improvement of the utility model, a first air return air gap is arranged between the liquid seal piece and the water diversion part, a second air return air gap is arranged between the tip sleeve and the water absorption cotton, and the ink storage cavity is communicated with the atmosphere through the first air return air gap and the second air return air gap.

As a further improvement of the utility model, the bottom of the liquid seal is provided with a plurality of notches which are used for communicating the first air return gap with the second air return gap.

As a further improvement of the utility model, the liquid seal is provided with a polygonal through hole along the axis, the water diversion part is inserted into the through hole, and the first air return air gap is formed by a gap between the water diversion part and the hole wall of the liquid seal;

the inner wall of the tip sleeve and the part opposite to the absorbent cotton are vertically provided with a plurality of first convex ribs, the outer Zhou Xianwei of the absorbent cotton is arranged on the first convex ribs, and the second return air gap is formed by a gap between the absorbent cotton and the inner wall of the tip sleeve.

As a further improvement of the utility model, the tip sleeve, the pen point and the liquid seal piece are respectively provided with two parts which are respectively and symmetrically arranged at the two ends of the pen holder to form a double-head pen; the pen comprises a pen holder, wherein a baffle is arranged in the pen holder, the inner cavity of the pen holder is divided into two independent ink storage cavities by the baffle, and respective water diversion parts of the two pen points extend into the corresponding ink storage cavities.

As a further improvement of the utility model, the pen cap is covered on the tip sleeve, a slot is arranged in the pen cap, and the end part of the tip sleeve is inserted into the slot and seals the writing part.

The beneficial effects of the utility model are as follows:

1. the utility model provides a double-head direct-liquid type mark pen, wherein a writing part and a water diversion part are integrally arranged on a pen point, and the water diversion part penetrates through water absorption cotton and a liquid seal piece and stretches into an ink storage cavity to play a role in guiding ink, so that the writing part and the water diversion part are not separated even if the mark pen falls or the pen point is subjected to external acting force, and the continuous ink writing is ensured;

2. the water diversion part of the pen point is propped against the baffle table of the liquid sealing piece, so that the whole pen point retraction during writing can be limited, the whole length of the pen point can be effectively shortened, and the machining precision requirement of polishing a step surface on the pen point is ensured;

3. according to the ink storage device, the water absorbing cotton is sleeved on the water diversion part, when the ink in the ink storage cavity flows out due to temperature or air pressure change, the flowing-out ink can be absorbed, the ink is prevented from flowing out along the pen head, and the ink buffering effect is achieved; meanwhile, an ink storage structure and an ink return structure are not needed, so that the use of parts is reduced, and the cost is reduced.

Drawings

FIG. 1 is a perspective view of a first embodiment of a dual-ended direct fluid type mark pen of the present utility model;

FIG. 2 is a cross-sectional view of a first embodiment of a dual-ended direct fluid type mark pen of the present utility model;

FIG. 3 is an exploded view of a first embodiment of a dual-ended direct fluid type mark pen of the present utility model;

FIG. 4 is a perspective view of a pen tip of a dual-head direct-fluid type mark pen according to one embodiment of the present utility model;

FIG. 5 is a perspective view of a liquid seal in a dual-ended direct-liquid type mark pen of the present utility model;

FIG. 6 is a perspective view of the tip sleeve of the dual-ended direct fluid type mark pen of the present utility model;

FIG. 7 is a cross-sectional view of a second embodiment of a dual-headed direct fluid type marker pen of the present utility model;

FIG. 8 is a perspective view of a pen tip of a two-head direct fluid type mark pen according to a second embodiment of the present utility model.

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

1. a penholder; 101. an ink storage chamber; 102. a partition plate; 2. a tip sleeve; 201. the first convex rib; 202. the second convex rib; 3. a pen point; 301. a writing section; 3011. a first step surface; 3012. a second step surface; 302. a water diversion part; 4. a liquid seal; 401. a baffle; 402. a notch; 403. a through hole; 5. a water-absorbing cotton; 6. a cap; 601. a slot.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 6, the present utility model provides a dual-head direct liquid type mark pen, comprising: the pen comprises a pen holder 1, a tip sleeve 2, a pen point 3, a liquid seal 4, absorbent cotton 5 and a pen cap 6.

Referring to fig. 2 and 6, a plurality of annular ribs are arranged on the outer circumferential surface of the upper part of the tip sleeve 2, a plurality of annular ribs are also arranged on the inner wall of the penholder 1, which is close to the port, the tip sleeve 2 is inserted into one port of the penholder 1 and is in interference fit through the annular ribs, so that the fixed connection and sealing between the tip sleeve 2 and the penholder are realized. Meanwhile, an annular boss is further arranged in the middle of the tip sleeve 2 and used for stopping on the end face of the pen holder 1 when the tip sleeve 2 is assembled, so that limit is formed.

In this embodiment, the absorbent cotton 5 is placed in the tip cover 2, and its bottom end stop is located on a rib position provided in the tip cover 2.

Further, the liquid seal 4 is disposed in the chamber between the barrel 1 and the nib 2 and separates an ink reservoir 101. Specifically, the liquid seal member 4 is embedded in the tip sleeve 2 and is pressed on the top of the absorbent cotton 5, and annular ribs are also arranged on the outer circumferential wall of the liquid seal member 4 and the inner circumferential wall of the tip sleeve 2 and are in interference fit with each other, so that the fixed connection and sealing between the two are realized. The ink storage cavity 101 is formed by enclosing the liquid seal 4, the nib sleeve 2 and the pen holder 1 and is used for storing ink.

Referring to fig. 2 to 4, a nib 3 is inserted into the nib 2 and the barrel 1, and the nib 3 has a writing part 301 and a water diversion part 302 integrally connected. The water diversion part 302 sequentially passes through the water absorption cotton 5 and the liquid seal 4 upwards and stretches into the ink storage cavity 101 to guide the ink in the ink storage cavity 101 to the writing part 301; the writing part 301 protrudes from the lower end of the tip cover 2 for writing. In the application, the writing part 301 and the water diversion part 302 are integrally designed, and the water diversion part 302 is equivalent to a traditional water diversion core and plays a role in guiding ink, so that the writing part 301 and the water diversion part 302 are not separated even if a mark pen falls or the pen point 3 receives external acting force, and continuous ink writing is ensured; in addition, by sleeving the water absorbing cotton 5 on the water diversion part 302, when the ink in the pen holder 1 flows out at high temperature or negative pressure, the water absorbing cotton 5 absorbs the flowing out ink, and the ink cannot flow out along the pen point 3, so that the ink buffering function is realized.

In this embodiment, the diameter of the upper end of the writing part 301 is larger than the diameter of the lower end of the water diversion part 302, and further, a first step surface 3011 is formed on the pen head 3 in an upward direction. The tip inner wall of the tip sleeve 2 is vertically provided with a plurality of second convex ribs 202, the lower end of the water diversion part 302 is connected with the plurality of second convex ribs 202 in an interference fit mode, the first step surface 3011 is enabled to be stopped upwards on the lower end face of the second convex ribs 202 of the tip sleeve 2, limiting of the pen point 3 is achieved, assembly is convenient, and the writing part 301 can be effectively limited to retract when writing is conducted due to the fact that the first step surface 3011 is arranged.

Wherein, the pen point 3 can be made of fiber, acrylic, nylon and the like.

Referring to fig. 2 and 5, the top of the liquid seal 4 extends out of the baffle 401 toward the inside of the ink reservoir 101, and the upper end surface of the water diversion portion 302 is abutted against the baffle 401. Because the step surface on the nib 3 in this application is usually processed by adopting the polishing technology, and simultaneously the nib 3 leads to its rigidity insufficient under its own material factor, if the nib 3 is too long, then lead to the technology of polishing nib 3 to reach required precision, therefore this application adopts to push up the diversion portion 302 on the fender platform 401 on the liquid seal 4, on the one hand can effectively shorten the whole length of nib 3, guarantee the machining precision requirement of first step surface 3011, save the material and use, on the other hand can further stop whole nib 3 to retract when writing.

Furthermore, in order to ensure that the pressure in the ink storage cavity 101 is the same as the atmospheric pressure, so that the ink can flow out normally, a first air return air gap is arranged between the liquid seal member 4 and the water diversion portion 302, a second air return air gap is arranged between the tip sleeve 2 and the absorbent cotton 5, and the ink storage cavity 101 is communicated with the atmosphere through the first air return air gap and the second air return air gap. Wherein, a plurality of gaps 402 are arranged at the bottom of the liquid seal 4, and the gaps 402 are used for communicating the first air return gap with the second air return gap.

Specifically, the liquid seal 4 is provided with a polygonal through hole 403, preferably a hexagon, along the axis, and the water diversion portion 302 is inserted into the through hole 403, and the first return air gap is formed by the gap between the water diversion portion 302 and the wall of the liquid seal 4. The first return air gap may be set to 0.02 to 0.15mm according to the viscosity and tension of the ink actually used, and the gap of this size makes the ink unable to flow out from the ink storage chamber 101 in a normal temperature and pressure state due to the effect of the surface tension of the liquid. The part of the inner wall of the tip cover 2 opposite to the absorbent cotton 5 is vertically provided with a plurality of first ribs 201, the outer Zhou Xianwei of the absorbent cotton 5 is arranged on the first ribs 201, and a second return air gap is formed by a gap between the absorbent cotton 5 and the inner wall of the tip cover 2.

In addition, since the plurality of second ribs 202 are disposed on the inner wall of the tip end of the tip cover 2, the second ribs 202 are tightly fitted at one end of the water diversion portion 302 close to the writing portion 301, and a third air return gap is formed between the water diversion portion 302 and the inner wall of the tip end cover 2, one end of the third air return gap is communicated with the atmosphere, and the other end of the third air return gap is communicated with the inner cavity of the tip end cover 2 and the second air return gap.

During writing, the ink flows outwards along the pen point 3, so that the pressure in the ink storage cavity 101 is smaller than the atmospheric pressure, and air enters the ink storage cavity 101 through the third air return air gap, the second air return air gap, the notch 402 and the first air return air gap, so that the air pressure in the ink storage cavity 101 is balanced.

With continued reference to fig. 2, the pen cap 6 is covered on the nib 2, the slot 601 is provided in the pen cap 6, and the end of the nib 2 is inserted into the slot 601 and seals the writing part 301, so as to avoid the ink on the nib 3 from volatilizing and drying when not in use.

In this embodiment, the tip sleeve 2, the nib 3, the liquid seal 4, the absorbent cotton 5 and the cap 6 are all provided with two parts, and are symmetrically installed at two ends of the pen holder 1, so as to form a double-ended pen. The middle part of the pen holder 1 is provided with a partition board 102, the partition board 102 divides the inner cavity of the pen holder 1 into two independent ink storage cavities 101, and the water diversion parts 302 of the two pen points 3 respectively extend into the corresponding ink storage cavities 101, so that the pen can be used as a single-color pen or a double-color pen.

Because this mark pen of application adopts the double-end structure for the volume of filling of two ink storage chamber 101 reduces, because the ink volume is little, and the volume of spilling under the same proportion also can be few, this application singly adopts cotton 5 of absorbing water to buffer the ink that spills just can satisfy the user demand, thereby need not increase ink storage and return the ink structure, reduces the use of spare part, and is convenient for assemble, reduce cost. Of course, the application can also be made into a single-head mark pen, and the capacity of the ink storage cavity 101 and the volume of the absorbent cotton 5 need to be adjusted at the moment so as to adapt to meet the function requirement.

Example two

Referring to fig. 7 and 8, the difference between the present embodiment and the first embodiment is that: in this embodiment, the diameter of the upper end of the writing portion 301 is smaller than the diameter of the lower end of the water diversion portion 302, and a second step surface 3012 is formed on the pen head 3. The upper end of the writing part 301 is connected with a plurality of second ribs 202 of the tip sleeve 2 in an interference fit manner, and the second step surface 3012 is enabled to stop downwards on the upper end face of the second ribs 202.

According to the embodiment, by adopting the structure of the pen point 3, the upper end face of the pen point 3 is propped against the baffle plate 401 of the liquid seal piece 4, so that the retraction of the pen point 3 during writing is limited, and meanwhile, the second step face 3012 of the pen point 3 is stopped on the tip sleeve 2, so that the up-and-down movement of the pen point 3 is limited, and the whole pen point 3 cannot be moved out even if the pen point falls off or the like.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The foregoing description is only of a preferred embodiment of the utility model, which can be practiced in many other ways than as described herein, so that the utility model is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model without departing from the technical solution of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims

1. The double-head direct-liquid type mark pen comprises a pen holder (1), a tip sleeve (2), a pen point (3) and a liquid seal piece (4), wherein the tip sleeve (2) is inserted into one end of the pen holder (1), the liquid seal piece (4) is arranged in a cavity between the pen holder (1) and the tip sleeve (2) and separates an ink storage cavity (101), and the pen point (3) is inserted into the tip sleeve (2); the method is characterized in that: the pen point (3) is provided with a writing part (301) and a water diversion part (302) which are integrally connected, the water diversion part (302) upwards penetrates through the liquid seal piece (4) to extend into the ink storage cavity (101) and is used for guiding ink in the ink storage cavity (101) to the writing part (301), and the writing part (301) extends out of the tip sleeve (2) and is used for writing.

2. The dual-ended pen as claimed in claim 1, wherein: the diameters of the writing part (301) and the water diversion part (302) at the connecting part are different, and a step surface is further formed on the pen point (3), and the step surface is stopped on the tip sleeve (2).

3. The dual-ended pen as claimed in claim 1, wherein: the top of the liquid seal (4) extends out of the baffle (401) towards the inside of the ink storage cavity (101), and the upper end face of the water diversion part (302) is propped against the baffle (401).

4. The dual-ended pen as claimed in claim 1, wherein: the water diversion device further comprises water absorption cotton (5), wherein the water absorption cotton (5) is arranged in the tip sleeve (2) and sleeved on the water diversion part (302).

5. The dual-ended pen as defined in claim 4, wherein: the liquid seal (4) is embedded in the tip sleeve (2) in an interference fit mode and compresses the absorbent cotton (5).

6. The dual-ended pen as defined in claim 4, wherein: a first air return air gap is arranged between the liquid seal piece (4) and the water diversion part (302), a second air return air gap is arranged between the tip sleeve (2) and the absorbent cotton (5), and the ink storage cavity (101) is communicated with the atmosphere through the first air return air gap and the second air return air gap.

7. The dual head direct fluid type mark pen according to claim 6, wherein: the bottom of the liquid seal (4) is provided with a plurality of gaps (402), and the gaps (402) are used for communicating the first air return gap with the second air return gap.

8. The dual head direct fluid type mark pen according to claim 6, wherein: the liquid seal (4) is provided with a polygonal through hole (403) along the axis, the water diversion part (302) is inserted into the through hole (403), and the first air return air gap is formed by a gap between the water diversion part (302) and the hole wall of the liquid seal (4);

the inner wall of the tip sleeve (2) and the part opposite to the absorbent cotton (5) are vertically provided with a plurality of first convex ribs (201), the outer Zhou Xianwei of the absorbent cotton (5) is arranged on the first convex ribs (201), and the second air return air gap is formed by a gap between the absorbent cotton (5) and the inner wall of the tip sleeve (2).

9. The dual-ended pen as claimed in claim 1, wherein: the two nib sleeves (2), the pen point (3) and the liquid seal piece (4) are respectively and symmetrically arranged at two ends of the pen holder (1) to form a double-head pen; a partition board (102) is arranged in the pen holder (1), the partition board (102) divides the inner cavity of the pen holder (1) into two independent ink storage cavities (101), and the water diversion parts (302) of the two pen points (3) extend into the corresponding ink storage cavities (101).

10. The dual-ended pen as claimed in claim 1, wherein: the pen further comprises a pen cap (6), the pen cap (6) is arranged on the tip sleeve (2) in a covering mode, an inserting groove (601) is formed in the pen cap (6), and the end portion of the tip sleeve (2) is inserted into the inserting groove (601) and seals the writing portion (301).