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CN112060808B - Double-head writing pen - Google Patents

Double-head writing pen Download PDF

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Publication number
CN112060808B
CN112060808B CN202010895775.5A CN202010895775A CN112060808B CN 112060808 B CN112060808 B CN 112060808B CN 202010895775 A CN202010895775 A CN 202010895775A CN 112060808 B CN112060808 B CN 112060808B
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CN
China
Prior art keywords
writing
pen
limiting
cores
pen holder
Prior art date
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Active
Application number
CN202010895775.5A
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Chinese (zh)
Other versions
CN112060808A (en
Inventor
韩爱国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenzhou Tianjiao Pen Industrial Co ltd
Original Assignee
Wenzhou Tianjiao Pen Industrial Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN202010895775.5A priority Critical patent/CN112060808B/en
Publication of CN112060808A publication Critical patent/CN112060808A/en
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Publication of CN112060808B publication Critical patent/CN112060808B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K27/00Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
    • B43K27/003Multiple-point writing implements, e.g. multicolour; Combinations of writing implements only one holder being used either for the pencil or the pen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K27/00Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
    • B43K27/08Combinations of pens

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

The invention discloses a double-head writing pen which comprises a pen holder, wherein the pen holder comprises a rod part, end caps detachably connected to two ends of the rod part, and a cavity formed by connecting the two end caps with the rod part, wherein two writing core groups are arranged in the cavity, each writing core group at least comprises two writing cores, the number of the writing cores of the two writing core groups is the same, each writing core comprises an ink tube and a pen point arranged at the front end of the ink tube, the front end of the pen point is provided with a pen point, the front ends of the writing cores of the two writing core groups are respectively arranged corresponding to the two ends of the pen holder, the pen holder further comprises two limiting parts, and the writing cores of the two writing core groups can be prevented from moving along the axial circumference of the pen holder based on the limiting fit of the limiting parts and are alternately distributed along the axial circumference of the pen holder. The double-head writing pen provided by the invention is provided with more than one writing cores which can be mutually spliced for use, and the double-head writing pen is simple in structure and convenient to assemble, and the writing cores can be replaced according to the requirement.

Description

Double-head writing pen
Technical Field
The invention relates to a double-head writing pen.
Background
Conventional writing pens are typically configured with only one writing cartridge that cannot write more than one line simultaneously during the writing process. To overcome this problem, there is a writing pen in the market, which has more than one pen tip at the front end and can write more than one line at the same time, especially suitable for engineering drawing, plane design, education and other uses, but the pen tips are usually connected to the same ink bag, and the same ink bag provides ink resources for the pen tips, which has the following defects in practical use:
(1) When one of the pen points has mechanical failure or ink bag has ink supply failure, the whole writing core has to be replaced, so that the acquisition cost of a user is increased;
(2) The pen nibs share one ink bag, so that lines written by each pen nib are the same color, and the writing style is single;
(3) The number of writing cores arranged on the writing pen is limited, and the writing pen is inconvenient to use.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a double-head writing pen, wherein two ends of a pen holder are at least provided with two pen points which can be used for writing independently or simultaneously, and each pen point is supplied with ink by an independent ink tube, so that more writing patterns can be provided.
In order to achieve the above purpose, the invention provides a double-ended writing pen, which comprises a pen holder, wherein the pen holder comprises a rod part, end caps detachably connected to two ends of the rod part, and a cavity formed by connecting the two end caps with the rod part, wherein two writing core groups are arranged in the cavity, each writing core group at least comprises two writing cores, the number of the writing cores of the two writing core groups is the same, each writing core comprises an ink tube and a pen point arranged at the front end of the ink tube, the front end of the pen point is provided with a pen point, the front ends of the writing cores of the two writing core groups are respectively arranged corresponding to the two end directions of the pen holder, the pen holder also comprises two limiting parts respectively matched with the writing cores of the two writing core groups to limit, and the writing cores of the two writing core groups can be prevented from moving along the axis circumference of the pen holder based on the limiting fit of the limiting parts and are alternately distributed along the axis circumference of the pen holder.
The beneficial effects of the invention are as follows: the front ends of the two writing core groups are respectively arranged corresponding to the directions of the two ends of the pen holder, so that the writing functions of the two ends of the pen holder are realized, the writing cores of the two writing core groups are prevented from moving along the axial direction of the pen holder through the limit fit of the limit parts, the writing cores of the two writing core groups can be alternately distributed along the axial direction of the pen holder, the writing cores are not easy to shake during writing, the writing stability is improved, more writing cores are arranged in the pen holder of one writing pen, the writing cores are provided with separate pen points and ink tubes for supplying ink, the writing cores can be conveniently replaced when faults occur, and the writing cores can be respectively provided with inks with different colors, so that the writing pen can provide more writing patterns.
Further, the two limiting parts are respectively arranged at the joint of the two end caps and the rod part, each limiting part comprises at least two through grooves for the pen point to penetrate, the through grooves of the limiting parts are uniformly distributed along the axis of the pen holder in the circumferential direction, each through groove is provided with two adjacent first limiting side walls, and each pen point is provided with two second limiting side walls which are matched and abutted with the first limiting side walls of the corresponding through groove.
The advantages brought by the above arrangement are: the pen points of the writing cores of the same writing core group are arranged in the through grooves of the corresponding limiting parts in a penetrating mode, the pen points are limited along the circumferential direction of the axis of the pen holder through the abutting fit of the first limiting side wall and the second limiting side wall, and therefore the writing cores can be prevented from moving along the axis of the pen holder in the axial direction, the installation is convenient, and the stability of the writing cores is improved.
Further, the limiting component comprises at least three spacers which are distributed along the axial center of the pen holder in the circumferential direction, and the through groove is formed by two spacers which are adjacent in the circumferential direction at intervals.
The advantages brought by the above arrangement are: the spacer can be used for limiting the pen points of the writing cores in a matched mode, and can also be used for separating the pen points of the adjacent writing cores, so that the writing cores are not easy to squeeze and interfere with each other, and the reliability is improved.
Further, the two ends of the rod part are provided with inserting parts, the end caps are provided with inserting holes which are matched with the inserting parts in a plugging manner, the front ends of the inserting parts are provided with annular flanges, the side edges of at least one spacer of the limiting parts are provided with protruding blocks, the annular flanges are provided with stop blocks which are matched with the protruding blocks to form limiting blocks along the axial circumference of the pen holder, and the limiting parts are propped between the end caps and the rod part.
The advantages brought by the above arrangement are: the lug of the limiting part is matched with the stop block of the annular flange to limit, the limiting part is positioned by matching the end cap and the rod part, the installation is convenient, the limiting part cannot rotate relative to the axis of the pen holder, and therefore the stability and the reliability of writing are improved.
Further, the insertion hole is conical, and the front end of the limiting component and the front end of the pen point are connected into a conical structure which is matched and spliced with the insertion hole.
The advantages brought by the above arrangement are: the conical structure can improve the adaptability between the conical structure and the conical insertion hole of the end cap, and the installation is convenient.
Further, the nib has flanges extending away from the shaft of the barrel, the flanges of the writing cores being positioned based on the connection fit of the end cap and the stem.
The advantages brought by the above arrangement are: the flange of the pen point can be matched with the front end of the rod part to limit, the pen point is prevented from entering the inner hole of the rod part, and the end cap and the rod part are connected and matched to form the positioning of the pen point, so that the pen point is convenient to install.
Further, the lateral edges of at least two spacers of the limiting component are provided with lugs, and the lugs are uniformly distributed along the axial circumference of the pen holder.
The advantages brought by the above arrangement are: the circumferential limiting reliability of the limiting part and the annular flange is improved, and the convex blocks are not easy to break.
Further, the insertion hole has therein an annular step surface which cooperates with the annular flange to locate the flanges of the writing cores.
The advantages brought by the above arrangement are: when the end cap and the rod part are connected and matched, the annular step surface and the annular flange are matched to limit the flange along the two axial sides of the pen holder, so that the positioning effect between the writing core and the pen holder is improved.
Further, the front end of the end cap is provided with an opening, the front end of the pen point is provided with a barrel part which is connected with the pen point in a matching way, the barrel part is arranged at the opening in a penetrating way, and the pen point and the ink tube are arranged on the same axis.
The advantages brought by the above arrangement are: the connecting effect between the pen point and the pen point is improved, and the production and processing of the writing core are facilitated.
Drawings
FIG. 1 is a block diagram of embodiment 1 of the present invention;
FIG. 2 is an internal structural view of embodiment 1 of the present invention;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a block diagram of a spacing member according to embodiment 1 of the present invention;
FIG. 5 is a structural view of the writing core of embodiment 1 of the present invention 1;
FIG. 6 is a structural view of the writing core of embodiment 1 of the present invention in FIG. 2;
FIG. 7 is an assembly view of the spacing member, nib and stem according to embodiment 1 of the present invention;
FIG. 8 is a structural view of the end of the shank of embodiment 1 of the present invention;
FIG. 9 is a block diagram of an end cap of embodiment 1 of the present invention;
fig. 10 is a sectional view of a barrel according to embodiment 1 of the present invention;
FIG. 11 is a structural view of the end of the shank of embodiment 2 of the present invention;
FIG. 12 is an assembly view of the spacing member, nib and stem according to embodiment 2 of the present invention;
Fig. 13 is a structural view of the end of the barrel of embodiment 2 of the present invention;
fig. 14 is a sectional view of a barrel according to embodiment 2 of the present invention;
fig. 15 is a structural view of a stopper member according to embodiment 2 of the present invention.
Detailed Description
Embodiment 1 of the dual-head writing pen of the present invention is shown in fig. 1-10: the pen comprises a pen holder 1, pen caps 2 are connected and matched at two ends of the pen holder 1, a pen clip is arranged at one pen cap 2, the pen holder 1 comprises a rod 11, end caps 12 detachably connected at two ends of the rod 11, a cavity formed by connecting the two end caps 12 and the rod 11, two writing core groups (3 and 4) are arranged in the cavity, each writing core group (3 and 4) comprises two writing cores 5, each writing core 5 comprises an ink tube 51 and a pen point 52 arranged at the front end of the ink tube 51, a pen tip 53 is arranged at the front end of the pen point 52, an inserting part for inserting ink is arranged at the rear end of the pen point 52 in a matched mode with the ink tube 51, the front ends of the writing cores 5 of the two writing core groups are respectively arranged in the directions of the two ends of the pen holder 1, the pen holder 1 can achieve two-end writing functions, the pen holder 1 further comprises two limiting parts 6, the two limiting parts 6 are respectively matched with the writing cores 5 of the two writing core groups, the two limiting parts 6 are matched with the corresponding cores 5, the two cores 5 can be prevented from being circumferentially distributed along the axes of the writing core groups, and the two writing cores 5 can be simultaneously written in the writing core groups 1, and the two writing core groups can be reasonably arranged in the circumferential directions when the two writing cores 5 are in the axial directions of the pen holder 1, and the writing core groups are in the axial directions 1, and the writing core 5 can be reasonably distributed along the axial directions when the axial directions of the writing core 1 and the writing core 1 is in a state and the state shown in the state 1.
The two limiting components 6 are respectively arranged at the joint of the two end caps 12 and the rod part 11, the limiting components 6 comprise two through grooves 61 for the pen point 52 to penetrate, the through grooves 61 of the limiting components are uniformly distributed along the axial circumference of the pen holder 1, the through grooves 61 are provided with two adjacent first limiting side walls 611, and the pen point 52 is provided with two second limiting side walls 521 matched and abutted with the first limiting side walls 611 of the through grooves 61.
The limiting component 6 comprises four spacers 62 distributed along the axial center circumference of the pen holder 1, the through grooves 61 are formed by two spacers 62 adjacent in the circumferential direction at intervals, and the spacers 62 can be matched with the pen point 52 for limiting and can also play a role in separating the pen points 52 of the adjacent writing cores 5.
The two ends of the rod part 11 are provided with an inserting part 111, the rear end of the end cap 12 is provided with an inserting hole 121 which is matched with the inserting part 111 for inserting and positioning, the front end of the end cap 12 is provided with an opening 123 for the pen point 53 to extend out, the front end of the inserting part 111 is provided with an annular flange 112, the outward side edges of the four spacers 62 of the limiting component 6 are respectively provided with a bump 621, the annular flange 112 is provided with a stop block 113 which is matched with the bumps 621 to form limiting along the axial circumference of the pen holder 1, and the limiting component 6 is propped between the end cap 12 and the rod part 11.
The insertion hole 121 is tapered, an inclined part 622 is provided at the front end of the side edge of the spacer 62 of the limiting member 6, a tapered surface 522 is provided around the front end of the nib 52, and the front end of the limiting member 6 and the front end of the nib 52 are connected in a matched manner to form a tapered structure in matched connection with the insertion hole 121.
The nib 52 has a flange 523 extending away from the axial direction of the barrel 1, and the flange 523 can form a limit fit with the annular flange 112 to prevent the writing cores of the writing core set from entering the inner hole of the stem 11, so that the assembly is convenient, and the flanges 523 of the writing cores 5 are positioned based on the connection fit of the end cap 12 and the stem 11.
The insertion hole 121 has therein an annular step 122 which cooperates with the annular flange 112 to locate the flanges 112 of the writing cores 5.
The end cap 12 and the rod 11 are connected by screw threads, when the end cap 12 and the rod 11 are connected, the annular flange 112 and the annular step surface 122 limit the flange 523 on two sides of the flange 523 along the axial direction of the pen holder 1, and the axial limit of the flange 523 and the annular step surface 122 and the circumferential limit of the spacer 62 on the pen point 52 enable the writing core 5 and the pen holder 1 to be well positioned.
The front end of the pen head 52 is provided with a barrel 524 which is connected with the pen tip 53 in a matching way, the barrel 524 is arranged at the opening 123 in a penetrating way, and the pen tip 53 and the ink tube 51 are arranged on the same axis.
During assembly, the two limiting components 6 can be respectively arranged at the two ends of the rod part 11, so that circumferential limiting fit is formed between the limiting components 6 and the rod part 11, then the ink tubes 51 of the writing cores 0 of the two writing core groups (3 and 4) are respectively inserted into the inner holes of the rod part 11 along the two ends of the rod part 11, meanwhile, the pen heads 52 of the writing cores 0 are penetrated in the through grooves 61 of the limiting components 6, and finally the upper end caps 12 are arranged. The two nibs 53 at the end of the pen holder 1 can be used for writing separately or simultaneously.
11-15, The difference between the embodiment 2 of the dual-head writing pen of the invention and the embodiment 1 is that each writing core group (3, 4) comprises three writing cores 0, the limiting component 6 comprises three spacers 62 distributed along the axial direction of the pen holder 1, the through grooves 61 are formed by two spacers 62 adjacent in the circumferential direction at intervals, three through grooves 61 are formed between the three spacers 62 at intervals, the outward side edges of the three spacers 62 of the limiting component 6 are respectively provided with a bump 621, the bumps 621 are uniformly distributed along the axial direction of the pen holder, the annular flange 112 of the rod 11 is provided with a stop 113 matched with the bumps 621 to form a limit along the axial direction of the pen holder 1, a slot 114 is formed between two stop 113 adjacent in the circumferential direction at intervals, the bumps 621 of the spacers 62 are matched with the slot 114 in an embedded manner, when the end cap 12 and the rod 11 are connected, the stop 113 and the annular step 122 on the annular flange 112 limit the two sides of the flange 523 along the axial direction of the pen holder 1, and the three ends 53 of the pen holder 1 can be used for writing independently or simultaneously writing two or three pen points respectively.
The number of four, six writing cores 5 of the above-described embodiments 1 and 2 is a preferable solution in consideration of various problems of the optimum size, manufacturing process, and writing effect of the writing pen, and in addition to this, the number of writing cores 5 may be eight, ten, or more.
Each writing core 5 can be provided with different inks, so that more writing patterns can be provided, the writing cores 5 can be conveniently replaced after being damaged, and the replacement cost of the writing cores is reduced.
The above embodiment is only one of the preferred embodiments of the present invention, and common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention are included in the scope of the present invention.

Claims (6)

1. The utility model provides a double-end writing pen, includes pen-holder, its characterized in that: the pen holder comprises a rod part, end caps detachably connected to two ends of the rod part, and a cavity formed by connecting the two end caps and the rod part, wherein two writing core groups are arranged in the cavity, each writing core group at least comprises two writing cores, the number of the writing cores of the two writing core groups is the same, each writing core comprises an ink tube and a pen point arranged at the front end of the ink tube, the front end of the pen point is provided with a pen point, the front ends of the writing cores of the two writing core groups are respectively arranged corresponding to the directions of two ends of the pen holder, the pen holder further comprises two limiting parts which are respectively matched with the writing cores of the two writing core groups to limit, and the writing cores of the two writing core groups can be prevented from moving along the axis circumference of the pen holder based on the limiting fit of the limiting parts and are alternately distributed along the axis circumference of the pen holder; the two limiting parts are respectively arranged at the joint of the two end caps and the rod part, each limiting part comprises at least two through grooves for the pen point to pass through, the through grooves of the limiting parts are uniformly distributed along the axial center of the pen holder in the circumferential direction, each through groove is provided with two adjacent first limiting side walls, and each pen point is provided with two second limiting side walls which are matched and abutted with the first limiting side walls of the corresponding through groove; the limiting part comprises at least three spacers which are distributed along the axial center of the pen holder in the circumferential direction, and the through groove is formed by two spacers which are adjacent in the circumferential direction at intervals; the two ends of the rod part are provided with inserting parts, the end caps are provided with inserting holes which are matched with the inserting parts in an inserting way, the front ends of the inserting parts are provided with annular flanges, the side edges of at least one spacer of the limiting parts are provided with protruding blocks, the annular flanges are provided with stop blocks which are matched with the protruding blocks to form limit along the axial direction of the pen holder, and the limiting parts are propped between the end caps and the rod part; the two ends of the pen holder are connected and matched with pen caps.
2. The dual-headed writing pen of claim 1, wherein: the insertion hole is conical, and the front end of the limiting part and the front end of the pen point are connected into a conical structure which is matched and spliced with the insertion hole.
3. The dual-headed writing pen of claim 1, wherein: the nib has flanges extending away from the axis of the barrel, the flanges of the writing cores being positioned based on the connection cooperation of the end cap and the stem.
4. The dual-headed writing pen of claim 1, wherein: the lateral edges of at least two spacers of the limiting component are provided with lugs which are uniformly distributed along the axial circumference of the pen holder.
5. A dual-headed writing pen as recited in claim 3, wherein: the insertion hole has an annular step surface therein which cooperates with the annular flange to locate the flanges of the writing cores.
6. The dual-headed writing pen of any one of claims 1 to 5, wherein: the front end of the end cap is provided with an opening, the front end of the pen point is provided with a barrel part which is connected with the pen point in a matched mode, the barrel part is arranged at the opening in a penetrating mode, and the pen point and the ink tube are arranged on the same axis.
CN202010895775.5A 2020-08-31 2020-08-31 Double-head writing pen Active CN112060808B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010895775.5A CN112060808B (en) 2020-08-31 2020-08-31 Double-head writing pen

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Application Number Priority Date Filing Date Title
CN202010895775.5A CN112060808B (en) 2020-08-31 2020-08-31 Double-head writing pen

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CN112060808A CN112060808A (en) 2020-12-11
CN112060808B true CN112060808B (en) 2024-06-25

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Publication number Priority date Publication date Assignee Title
CN114454642B (en) * 2022-03-16 2023-04-18 汕头市美华文具有限公司 Ball pen processing technology

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