WO2008064557A1

WO2008064557A1 - A flexible writing utensil

Info

Publication number: WO2008064557A1
Application number: PCT/CN2007/003288
Authority: WO
Inventors: Genhua Xu
Original assignee: Genhua Xu
Priority date: 2006-11-30
Filing date: 2007-11-21
Publication date: 2008-06-05

Abstract

The present invention provides a flexible writing utensil including a barrel (2), a tip element (1) joined to the barrel (2) and a flexible ink tube (3) arranged inside the barrel (2) and the tip element (1), wherein the tip element (1) is flexible and can be formed with an elastic holder integrally so that it is elastically deflected from an axis of the barrel (2) when writing. The present invention also provides a flexible writing utensil including a barrel, a tip element joined to the barrel, and a flexible ink tube arranged inside the barrel and the tip element, wherein a gap is formed between a head of the flexible ink tube and the tip element to allow the head to be deflected elastically from an axis of the barrel when writing, and an elastic gasket can be provided in the gap. According to the flexible writing utensil of the invention, feeling of writing is good.

Description

Elastic writing pen

The present invention relates to an elastic writing pen.

Background technique

At present, the well-known hard pen has a pointed sleeve which is rigid. At the same time, after the tip sleeve is coupled with the pen item, the head of the refill is sleeved and the writing head is fixed, so that although a plastic refill having a certain elasticity is selected, the pen is used. It is completely rigid when writing, and the pen tip does not elastically deviate from the central axis of the pen. This results in a stiffer writing and increased work intensity for writing.

Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide an elastic writing pen which is not only more fluid to write, but also more comfortable to handle, and which is less prone to fatigue for a long time.

The invention comprises a tip sleeve and a pen holder, characterized in that: the pen holder is internally provided with an elastic refill, and the pen holder is also coupled with an elastic tip sleeve which elastically deviates from the central axis of the pen holder when writing.

The invention comprises a conjoined tip sleeve and a pen holder, characterized in that: the pen holder is internally provided with an elastic refill, and at the same time, the pen head is also coupled with an elastic tip which is connected with the pen item elastic elastic sheath. Set, that is, "conjoined tip".

The invention comprises a pen holder and a pen tip sleeve, wherein: the pen holder is internally provided with an elastic core, and a gap of the pen head movement is further provided between the pen tip sleeve and the refill head.

The invention comprises a pen holder and a pen tip sleeve, wherein: the pen rod is provided with an elastic core inside, and a resilient gasket is further arranged between the pen tip end sleeve and the refill head.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a front elevational view of Embodiment 1 of the present invention.

Figure 2 is a cross-sectional view of the embodiment 1 of the present invention along the central axis of the sheath.

Figure 3 is a cross-sectional view of the embodiment 2 of the present invention along the central axis of the sheath.

Figure 4 is a cross-sectional view of the third embodiment of the present invention along the central axis of the sheath.

Figure 5 is an enlarged view of the cross section taken along the line M-N of Figure 4;

Figure 6 is a cross-sectional view showing the center line of the pen holder along the center line of the pen holder and the rubber tip sleeve according to the fourth embodiment of the present invention.

Fig. 7 is an enlarged view of Fig. 6 taken along the line U-V.

1

Confirmation In the figure, 1 is a wire spring tip sleeve, 2 is a metal pen holder, 3 is a plastic rod refill, 4 is a pointed steel ring, 5 is a sponge tip sleeve, 6 is a sliding groove, and 7 is a pen handle rubber sleeve, 8 For the plastic pen holder, 9 is the pen end cap, 10 is the rubber tip sleeve, 11 is the tip plastic ring, 12 is the half rubber tip sleeve, and 13 is the half plastic tip sleeve containing the pointed plastic ring.

Figure 8 is a cross-sectional view of the fifth embodiment of the present invention along the central axis of the sheath.

Figure 9 is a cross-sectional view of the sixth embodiment of the present invention along the central axis of the sheath.

Figure 10 is a cross-sectional view showing the seventh embodiment of the present invention along the central axis of the sheath.

Figure 11 is a cross-sectional view along line M-N of Figure 10.

Figure 12 is a front elevational view of an eighth embodiment of the present invention.

Figure 13 is a cross-sectional view of the eighth embodiment of the present invention along the central axis of the sheath.

⁴ is a rubber "joint tip", 15 plastic pen holder, 16 is a plastic rod refill, 17 is a pen end cap, 18 is a groove, 19 is a plastic ring, and 20 is a wire spring "conjoined tip" 21 is a metal pen item, 22 is a metal pen holder 45 is a rubber "joint tip" in the embodiment 6, 46 is a plastic pen holder in the embodiment 6, and 47 is a rubber "joint tip" in the embodiment 7. 48 is a plastic pen in the seventh embodiment. FIG. 14 is a cross-sectional view of the wood invention embodiment 9 along the central axis of the pen holder;

Figure 15 is an enlarged cross-sectional view taken along line A-B of Figure 14;

Figure 16 is a cross-sectional view of the embodiment 10 of the present invention along the gap between the center axis of the sheath and the tip sleeve; Figure 17 is an enlarged cross-sectional view of the M-N of Figure 16;

Figure 18 is a cross-sectional view of the embodiment 11 of the present invention along the gap between the center axis of the sheath and the tip sleeve; Figure 19 is an enlarged cross-sectional view of U-V in Figure 18;

Figure 24 is an elastic sheath

Figure 20 is a cross-sectional view of the embodiment 12 of the present invention along the central axis of the pen holder;

Figure 2] is an enlarged cross-sectional view of the M-N in Figure 20;

Figure 22 is a cross-sectional view of the embodiment 13 of the present invention along the center axis of the sheath and the thickest portion of the gasket; m Ί 'λ is an enlarged sectional view of A-B in Figure 22;

Figure 24 is a cross-sectional view of the embodiment 14 of the present invention along the center axis of the sheath and without the gasket;

Figure 25 is an enlarged cross-sectional view of U-V in Figure 24;

Figure 26 is a cross-sectional view of the fifteenth embodiment of the present invention along the center axis of the sheath and the thickest portion of the gasket; Figure 27 is an enlarged cross-sectional view taken along line E-F of Figure 26. In the figure, 35 is an elastic sheath

detailed description

According to the first embodiment of the present invention, as shown in FIG. 1 and FIG. 2, the elastic tip sleeve 1 is fixedly glued to the tip joint steel ring 4, and the external thread of the tip joint steel ring 4 is coupled with the internal thread of the sheath 2 due to the tip sleeve 1 Made of wire spring, it has elasticity. At the same time, the selected plastic rod refill 3 also has a certain elastic refill, so that the tip of the pen will deviate from the center axis of the pen with a certain degree and elasticity with the pen tip when writing. Thereby, the writing hand feels more comfortable, the pen is smoother, and the writing fatigue is reduced.

According to the second embodiment of the present invention, as shown in FIG. 3, the sponge tip sleeve 5 is directly connected with the pen holder 8. The anti-slip cam ring of the sponge tip sleeve 5 is interlocked with the anti-slip groove 6, and the plastic rod with certain elasticity is also selected. The refill 3, in this way, when the pen is written, the tip sleeve 5 will deviate from the central axis of the pen rod with a certain degree and elasticity, so that the writing feel is more comfortable, the pen is smoother, and the writing fatigue is reduced. .

According to the third embodiment of the present invention, as shown in FIG. 4 and FIG. 5, the rubber tip sleeve 10 is fixedly coupled with the tip plastic ring 11, and the internal thread of the tip plastic ring 11 is coupled with the external thread of the plastic pen holder 8, and the plastic with certain elasticity is also selected. The refill 3, in this way, the tip of the pen will deviate from the central axis of the pen with a certain degree and elasticity when the pen is written, thereby achieving a more comfortable writing feel, a smoother pen, and less fatigue. . .

According to Embodiment 4 of the present invention, as shown in FIG. 6 and FIG. 7, the tip sleeve of the embodiment has only half of the elastic portion, and the half rubber tip sleeve 12 and the half plastic tip sleeve 13 are glued into a pointed sleeve, including the pointed plastic ring. The inner half of the plastic tip sleeve 13 is externally threaded with the plastic pen holder 8. Since the half rubber tip sleeve 12 has elasticity, the plastic rod refill 3 selected also has a certain elastic refill, so that the rubber tip is written at the time of writing. On the side of the sleeve 12, the tip of the pen will deviate from the center axis of the pen with a certain degree of elasticity, so that the different writing angles of the pen will have different elasticity, and some angles are not elastic, so that it can meet different uses. Or the same user's different requirements for the flexibility of the pen under different writing conditions, and at the same time, can be freely converted between the flexible pen with the pen tip and the ordinary hard pen with the pen tip, so that the writing feel is more comfortable and the pen is more Smooth, reduce the purpose of writing fatigue.

The invention not only has the advantages of simple structure, stable and reliable work, but also has more comfortable writing feeling, smoother pen writing, less writing fatigue, and can greatly reduce the writing fatigue of the user. Embodiment 5 of the present invention, referring to FIG. 8, a rubber "conjoined tip" 14 and a pen portion of the pen 15 The glue is fixed by glue, because the rubber "connected tip" 14 has elasticity, and the selected plastic rod refill 16 also has a certain elastic refill, so that the pen tip will deviate from the pen with a certain degree and elasticity when writing. The central axis, in this way, the frictional contact between the nib and the paper is softened, thereby achieving a more comfortable writing feel, a smoother stroke, and less fatigue.

According to the sixth embodiment of the present invention, as shown in FIG. 9, the rubber "joining tip sleeve" 45 is directly sleeved with the pen holder 6, and the groove 18 functions as a slip preventing, and the plastic rod refill 16 having a certain elasticity is also selected, so that When writing, the nib will deviate from the central axis of the pen to a certain extent and elastically. Thus, the frictional contact between the nib and the paper becomes soft, which makes the writing feel more comfortable, the stroke is smoother, and the writing fatigue is reduced.

According to Embodiment 7 of the present invention, as shown in FIG. 10, the rubber "joint tip sleeve" 47 is coupled to a plastic ring 19, and the plastic ring 19 is screwed to the plastic pen 48 at the pen portion, and the plastic pen 48 is at the head. Also connected with a semi-rigid plastic tip sleeve which is injection molded together with the pen holder. Referring to Fig. 11, a certain elastic plastic rod refill 16 is also selected; thus, the nib of the nib sleeve has an elastic half and has no elasticity, so that the pen is different. The writing angle of the writing head will have different elasticity, and some angles have no elasticity. It can meet the different requirements of different users or the same user for the flexibility of the writing head under different writing conditions, thereby achieving a more comfortable writing feel and a smoother writing stroke. Reduce the purpose of writing fatigue.

According to Embodiment 8 of the present invention, as shown in FIG. 12 and FIG. 13, the wire spring "connected tip" 20 is glued to the metal pen item 21, and the metal pen item 21 is screwed to the metal pen 22, due to the wire spring "connecting tip" The sleeve 20" has elasticity, and the selected plastic rod refill 16 also has a certain elastic refill, so that the pen tip will deviate from the central axis of the pen rod with a certain degree and elasticity when writing, so that the frictional contact between the nib and the paper becomes hard. It is soft, which makes the writing feel more comfortable, the stroke is smoother, and the writing fatigue is reduced.

The invention not only has the advantages of simple structure, stable and reliable work, but also convenient use, and can greatly reduce the writing fatigue of the user. According to Embodiment 9 of the present invention, as shown in FIG. 14 and FIG. 15, a gap 28 is provided between the head of the plastic tip sleeve 23 and the refill 26, the plastic tip sleeve 23 and the plastic pen holder 25 are threadedly coupled, and 27 is a sheath tail cap. Because the plastic rod refill 26 used is flexible, the tip of the pen will be deviated from the central axis of the pen rod by a certain degree during the writing, so that the frictional contact between the pen tip and the paper is softened, thereby realizing The writing feel is more comfortable, the stroke is smoother, and the writing fatigue is reduced. At the same time, the different writing angles of the pen have the same elasticity due to the shape of the gap 28. According to the embodiment 10 of the present invention, as shown in FIG. 16 and FIG. 17, a gap 29 is provided between the head of the plastic tip sleeve 30 and the refill 26, the plastic tip sleeve 30 and the plastic pen holder 25 are threadedly coupled, and 27 is a sheath tail cap. Also, a flexible plastic rod refill 26 is selected. In this case, since the distance between the head of the plastic tip sleeve 30 and the refill 26 is different, that is, the shape of the gap 29 is not delineated, so that the different writing angles of the pen are different. Elastic, it can meet the different requirements of different users or the same user for the flexibility of the pen under different writing conditions.

According to the embodiment 11 of the present invention, as shown in FIG. 18 and FIG. 19, a gap 32 is provided between the head of the plastic tip sleeve 31 and the refill 26, the plastic tip sleeve 31 and the plastic pen holder 25 are threadedly coupled, and 27 is a sheath tail cap. Also, the elastic plastic rod refill 26 is selected. At this time, since the gap between the plastic tip 31 and the head of the refill 26 is narrow, the writing head has a movable gap at only one angle, so that the writing head only has the writing head. At an angle, it will deviate from the center axis of the pen rod in a certain degree, and the elasticity of the pen tip at other angles is zero, which can satisfy the user's requirement for the single angle elasticity of the pen tip.

The invention not only has the advantages of simple structure, stable and reliable work, but also convenient use, and can greatly reduce the writing fatigue of the user. According to the embodiment 12 of the present invention, as shown in FIG. 20 and FIG. 21, a rubber gasket 34 is disposed between the head of the plastic tip sleeve 33 and the refill 36, and the rubber gasket 34 is fixedly glued to the plastic tip sleeve 33, and the plastic tip sleeve is provided. 33 is threadedly coupled with the plastic pen holder 37, and 38 is a pen end cap. Since the rubber washer 34 has elasticity, the selected plastic rod refill 36 also has a certain elastic refill, so that the pen tip will have a certain degree and elasticity when writing. Deviation from the center axis of the pen holder, at the same time, due to the shape of the rubber washer 34, the different writing angles of the pen have the same elasticity, so that the frictional contact between the pen tip and the paper is softened, thereby achieving a more comfortable writing feel. The pen is smoother and reduces the fatigue of writing.

According to the embodiment 13 of the present invention, as shown in FIG. 22 and FIG. 23, a rubber gasket 40 is disposed between the head of the plastic tip sleeve 39 and the refill 36, and the rubber gasket 40 is fixedly glued to the plastic tip sleeve 39, and the plastic tip sleeve is provided. 39 is threadedly connected with the plastic pen holder 37, 38 is a pen end cap, and the plastic rod refill 36 having a certain elasticity is also selected. Due to the difference in the thickness of the rubber washer 40, the different writing angles of the pen have different elasticity, which can satisfy different The user or the same user has different requirements for the flexibility of the writing head under different writing conditions, thereby achieving the purpose of more comfortable writing, smoother writing, and less writing fatigue.

According to the embodiment 14 of the present invention, as shown in FIG. 24 and FIG. 25, a rubber gasket 42 is disposed between the head of the plastic tip sleeve 41 and the refill 36, and a plastic rod refill 36 having a certain elasticity is also selected, and the plastic tip sleeve 41 is selected. With plastic The pen holder 37 is threadedly coupled, 38' is the end cap of the pen, due to the difference in thickness of the rubber washer 42, and the thickness of the rubber washer 42 at some angles is zero, so that the pen has different elasticity at different writing angles, and The elasticity of these angles is zero. It can meet the different requirements of different users or the same user for the flexibility of the pen under different writing conditions, and the pen tip has no elasticity and elasticity on one pen at the same time.

According to the fifteenth embodiment of the present invention, as shown in FIG. 26, a rubber washer 44 is disposed between the head of the plastic tip sleeve 43 and the refill 36, and a plastic rod refill 36 having a certain elasticity is also selected, and the plastic tip 43 and the plastic pen holder are selected. 37 threaded connection, 38 is a pen end cap, since the rubber washer 44 is only provided on a part of the circumferential surface between the plastic tip 43 and the head of the refill 36, as shown in Fig. 27, so that the pen is written at the time of writing Only at an angle (the angle at which the rubber washer 44 is located) will deviate from the center axis of the barrel in a certain degree, and the elasticity of the other angles is zero, which can satisfy the user's requirement for the single angle elasticity of the pen head.

The invention not only has the advantages of simple structure, stable and reliable work, but also convenient use, and can greatly reduce the writing fatigue of the user.

Claims

Claim

1. An elastic writing pen comprising a tip sleeve and a pen holder, wherein: the pen holder is provided with an elastic refill inside, and the pen holder is also coupled with elasticity which is elastically deviated from the central axis of the pen holder when writing. Pointer set.

2. The elastic writing pen according to claim 1, wherein: the elastic tip end is coupled to a rigid threaded coupling, and the elastic tip is threadedly coupled to the pen by a threaded coupling.

3 . An elastic writing pen comprising a tip sleeve and a pen holder, wherein: the pen holder is provided with an elastic refill inside, and the pen head is also coupled with the same body of the pen item elastic sheath. The flexible tip sleeve is the "connected tip sleeve".

4. The elastic writing pen according to claim 3, wherein: the "connecting tip sleeve" is coupled with a rigid threaded coupling at the rear, and the "connected tip sleeve" is threadedly coupled to the barrel by a threaded coupling. .

5 . An elastic writing pen comprising a pen holder and a pen tip sleeve, wherein: the pen holder is provided with an elastic refill inside, and a gap between the pen tip sleeve and the refill head is further provided. .

6. The elastic writing pen according to claim 5, wherein: the gap between the tip sleeve and the refill is in a range of a gap in the direction in which the nib moves in a gap, and the nib is pointed when the tip is pointed to the tip sleeve. The maximum amplitude from the center axis of the pen is between 0. lrnra and 6 mm.

7. An elastic writing pen comprising a pen ^F and a pen tip sleeve, wherein: the pen holder is provided with an elastic refill inside, and an elastic washer is further disposed between the pen tip sleeve and the refill head.

8. The elastic writing pen according to claim 7, wherein: said elastic pad is symmetrical in shape and disposed on the entire circumference between the tip sleeve and the head of the refill.