CN205058933U - Ball -point pen - Google Patents

Abstract

The utility model provides a ball -point pen, include: the pen -holder, the pen -holder is hollow structure, has a front end hole, the nib cover, nib cover set up in the front end of pen -holder, and insert and locate it is downthehole in the front end, the nib, the nib is passed the nib cover, chu moguan, chu moguan set up in in the pen -holder, the refill is connected, the refill is connected and is connected respectively the nib with chu moguan, and spring, the spring set up in nib cover with between the refill is connected, wherein, the nib cover can be followed the axle center direction of pen -holder with nib relative movement. The utility model discloses a ball -point pen, accessible control is write pressure, is write the size of angle and writing speed, conveniently forms the thickness and changes great person's handwriting.

Description

Ball pen

Technical field

The utility model relates to writing implement field, particularly a kind of ball pen.

Background technology

Ball pen relies on the upper ball freely rotated of nib to take ink or ink transfer out of to a kind of writing implement on writing paper, ink ball pen, Neutral writing ink ball pen and water-base ink ball pen three basic forms of it can be divided into, adopt high viscosity to do consistence ink, medium viscosity thixotropy ink and low viscosity aqueous ink respectively.Ball pen have non-leakage, not affect by climate and writing time is longer, without the need to often pouring into the advantages such as ink, and price is cheaper, is the writing implement being in fashion the world in the last few years the most.

Hard-tipped pen calligraphical works is with hard-tipped pen such as pens for instrument, and ink is carrier, shows Chinese-character writing skill.In early days, pen by changing the nib of different thicknesses, realizes the change of written handwriting thickness, and actual use is inconvenient, is eliminated gradually.Afterwards, people have invented " art designing pen ", nib front end by pen is inside or be bent outwardly, can by controlling to write pressure and the size of writing angle when writing, and utilize the elasticity of nib, make the nib that is bent or all contact with writing surface, thus the person's handwriting of the larger different thicknesses of formation and modification.

The hard-tipped pen such as the structure of ball pen and pen have obvious difference.When writing, the handwriting thickness of ball pen is by the ball diameter size of nib and amount out of ink is how many determined.With one-pen when writing, although by controlling to write pressure, write the size of angle and writing speed, the thickness of written handwriting can be changed, but, this change is trickleer, unconspicuous in other words, is difficult to reach the effect reached desired by hard-tipped pen calligraphical works.Meanwhile, if the nib by changing different-diameter ball also want by ball pen, realize the change of written handwriting thickness, being proved to be in reality is be difficult to realize.

Summary of the invention

The purpose of this utility model is for the deficiencies in the prior art part, to the ball pen providing a kind of structure to improve.

The purpose of this utility model is achieved through the following technical solutions:

A kind of ball pen, comprising:

Penholder, described penholder is hollow structure, has a front end endoporus;

Pen point casing, described pen point casing is arranged at the front end of described penholder, and is inserted in the endoporus of described front end;

Nib, described nib is through described pen point casing;

Ink storage pipe, described ink storage pipe is arranged in described penholder;

Pen core connects, and described pen core connects and connects described nib and described ink storage pipe respectively; And

Spring, described spring is arranged between described pen point casing is connected with described pen core,

Wherein, described pen point casing can along the axis direction of described penholder and described written relative movement.

In an embodiment of ball pen of the present utility model, described nib has a ball seat body and a ball, and described ball seat body is inserted in described pen point casing, and described ball to be clasped in described ball seat body and protruded from described pen point casing.

In another embodiment of ball pen of the present utility model, described pen point casing has a front end perforate and a rear end perforate, the aperture of described rear end perforate is greater than the aperture of described front end perforate, has step between described front end perforate and the perforate of described rear end.

In another embodiment of ball pen of the present utility model, the outside of the rear end perforate of described pen point casing has a protrusion step, and described protrusion step is arranged in the endoporus place, front end of described penholder.

In another embodiment of ball pen of the present utility model, described pen core connection has an endoporus, and described endoporus is communicated with described ink storage pipe and described nib.

In another embodiment of ball pen of the present utility model, described pen core connects and comprises an anterior and rear portion, be connected with described nib in the open rearward end that described front portion is inserted in described pen point casing, described rear portion is connected with described ink storage pipe, and the diameter of described front portion is less than the diameter at described rear portion.

In another embodiment of ball pen of the present utility model, between the front portion that described pen core connects and described interior step, there is a gap.

In another embodiment of ball pen of the present utility model, described spring has a front end and a rear end, and described front end contacts with the protrusion step of described pen point casing, the back contacts that described rear end is connected with described pen core.

In another embodiment of ball pen of the present utility model, the rear portion that described pen core connects comprises multiple stria portion.

In another embodiment of ball pen of the present utility model, the material that described pen core connects is elastomeric material.

Ball pen of the present utility model, by controlling to write pressure, write the size of angle and writing speed, easily forms the person's handwriting that thickness changes greatly.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of the utility model ball pen;

Fig. 2 is the nib structure schematic diagram of the utility model ball pen;

Fig. 3 is the pen point casing structural representation of the utility model ball pen;

Fig. 4 is the pen core syndeton schematic diagram of the utility model ball pen;

Fig. 5 is that the pen core of the utility model ball pen connects case of bending schematic diagram;

Fig. 6 is the initial written view of the utility model ball pen;

Fig. 7 be the utility model ball pen write view;

Fig. 8 is that another of the utility model ball pen writes view.

Wherein, description of reference numerals is as follows:

1: nib

11: ball seat body

12: ball

111: ball seat external surface

2: pen point casing

21: front end mouth rim

22: front end perforate

23: rear end perforate

24: interior step

25: protrude step

3: pen core connects

31: anterior

32: front end face

33: endoporus

34: stria portion

341: step

4: spring

41: spring at front end

42: spring rear end

5: ink

6: ink storage pipe

7: penholder

71: front end endoporus

8: tail cap

A: gap

W1, W2, W3: width

Detailed description of the invention

According to specific embodiment, the technical solution of the utility model is described further below.Protection domain of the present utility model is not limited to following examples, enumerates these examples and only limits the utility model never in any form for exemplary purpose.

Fig. 1 is the overall structure schematic diagram of the utility model ball pen, Fig. 2 is the structural representation of the nib of the utility model ball pen, Fig. 3 is the structural representation of the pen point casing of the utility model ball pen, and Fig. 4 is the structural representation that the pen core of the utility model ball pen connects.As shown in Figures 1 to 4, ball pen comprises nib 1, pen point casing 2, pen core connection 3, spring 4, ink 5, ink storage pipe 6, penholder 7 and tail cap 8.

Penholder 7 is hollow structure, there is a front end endoporus 71, the aperture of front end endoporus 71 is less than the diameter of penholder herein, pen point casing 2 is arranged at the front end of penholder 7, and is inserted in front end endoporus 71, and nib 1 is through pen point casing 2, ink storage pipe 6 is arranged in penholder 7, pen core connects 3 and connects nib 1 and ink storage pipe 6 respectively, and spring is arranged at pen point casing 2 and is connected between 3 with pen core, and ink 5 arrives the front end of penholder successively by ink storage pipe 6, pen core connection 3 and nib 1.

Nib 1 has ball seat body 11 and a ball 12, and ball seat body 11 is cylindrical shape, and it is inserted in pen point casing 2, and ball 12 to be clasped in ball seat body 11 and protruded from pen point casing 2.

The ball seat body 11 of nib 1 adopts corronil or free cutting stainless steel material to be formed by machining, and the external diameter of ball seat body 11 is generally about 1mm; Ball 12 adopts tungsten carbide material to make, and the diameter of ball 12 is 0.5 ~ 0.8mm, preferably adopts 0.7mm.

Pen point casing 2 has front end perforate 22 and rear end perforate 23, and the aperture of rear end perforate 23 is greater than the aperture of front end perforate 22, thus between front end perforate 22 and rear end perforate 23, form step 24 in.

The outside of rear end perforate 23 has a protrusion step 25, protrude the inside that step 25 is positioned at penholder 7, and between it, be greater than the aperture of front end endoporus 71, protrude step 25 and can be fastened on front end endoporus 71 place, thus limit pen headgear 2 is to the distance of the ball 12 direction movement of nib 1.

Pen point casing 2 adopts corronil or free cutting stainless steel material to be formed by machining, and the front end mouth rim 21 of pen point casing 2 is processed into circular arc and through polishing, guarantees round and smooth when contacting with writing surface and does not affect and write feel.

It is slender type that pen core connects 3, and it has an endoporus 33, and endoporus 33 can be communicated with nib 1 and ink storage pipe 6, passes through to make ink 5.

Pen core connects 3 and comprises one anterior 31 and one rear portion, and is connected with nib 1 in anterior 31 open rearward end 23 being inserted in pen point casing 2, rear portion is connected with ink storage pipe 6, and the diameter of front portion 31 is less than the diameter at rear portion.The rear portion that pen core connects comprises multiple stria portion 34.

Between the front end perforate 22 of pen point casing 2 and ball seat external surface 111, and the rear end perforate 23 of pen point casing 2 be connected 3 with pen core front portion 31 between be matched in clearance, and pen point casing 2 front end perforate 22 with formed between rear end perforate 23 in step 24 to be connected 3 with pen core front end face 32 between also leave certain gap A (its distance is about 0.2 ~ 0.3mm), allow pen point casing 2 can along the direction of axis line of penholder 7 with nib 1 in relative movement.

Spring 4 has front end 41 and a rear end 42, and front end 41 contacts with the protrusion step 25 of pen point casing 2, and the step 341 that rear end 42 and pen core connect the stria portion 34 at the rear portion of 3 contacts, and spring force controls at 0.3 ~ 0.5N.Protrude coordinating of step 25 and spring 4 and step 341 by the rear end of pen point casing 2, can guarantee that the direction that pen point casing 2 can not connect 3 to pen core when not stressed is moved.

Tail cap 8 is arranged on the rear end of penholder 7, seals in order to fixing ink storage pipe 6 assembly such as grade to penholder 7.

Fig. 5 is that the pen core of the utility model ball pen connects case of bending schematic diagram.As shown in Figure 5, pen core connection 3 adopts PP, PE etc. to have flexible material and makes, and after making this pen be subject to larger pressure when writing, the stria portion 34 of pen core connection 3 can be slightly bending.Calculate through experiment and mapping, the stria portion 34 of pen core connection 3 makes central axis offset about 1mm because of bending, and nib 1 and writing surface angle about diminish 4 ° ~ 5 °.

Fig. 6 is the initial written view of the utility model ball pen, as shown in Figure 6, when normally writing (write angle and be generally about 65 °), the front end mouth rim 21 of pen point casing 2 can not come in contact with writing surface, the width W 1 that the ball 12 that now thickness of person's handwriting is this nib 1 contacts with writing surface, consider the size that the speed of writing speed also can affect ink and sprawls, and then affect the thickness of person's handwriting, therefore, under normal circumstances, written ball diameter is that the handwriting thickness of 0.7mm is about 0.5 ~ 0.55mm.

Fig. 7 is that the utility model ball pen writes view when writing angle and diminishing, as shown in Figure 7, (such as 60 °) are diminished when writing angle, or write pressure strengthen and make pen core connection 3 slightly bending, the angle be equivalent between nib 1 and writing surface diminishes, the front end mouth rim 21 of pen point casing 2 will come in contact with writing surface, and now the thickness of person's handwriting is the width W 2 between the ball 12 of nib 1 and writing surface contact point to the front end mouth rim 21 and writing surface contact point of pen point casing 2.Employing reading microscope is measured, and handwriting thickness is now about 0.7 ~ 0.75mm.

Fig. 8 is that the utility model ball pen writes view when writing angle and diminishing further, as shown in Figure 8, if write angle to continue diminish (such as 50 °), or write pressure durations strengthen and pen core connection 3 is bent further, the angle be equivalent between nib 1 and writing surface diminishes further, pen point casing 2 will connect 3 directions to pen core and move, the width W 3 between the ball 12 of nib 1 and writing surface contact point to the front end mouth rim 21 and writing surface contact point of pen point casing 2 is equivalent to strengthen further, the person's handwriting write is then thicker further, employing reading microscope is measured, handwriting thickness is now about 0.9 ~ 1mm.

In sum, ball pen of the present utility model is when normally writing (write angle and be generally about 65 °), and pen point casing can not come in contact with writing surface, and now the thickness of person's handwriting is the original state of this nib.(such as 60 °) are diminished when writing angle, or write pressure strengthen and make pen core connection slightly bending, the angle be equivalent between nib and writing surface diminishes, pen point casing will come in contact with writing surface, and now the thickness of person's handwriting is the ball of this nib and writing surface contact point to the width between pen point casing front edge and writing surface contact point.If write angle to continue to diminish, or write pressure durations strengthen and make pen core connect further bending, the angle be equivalent between nib and writing surface diminishes further, pen point casing will move to pen core closure, the ball of this nib and writing surface contact point is equivalent to strengthen further to the width between pen point casing front edge and writing surface contact point, the person's handwriting write is then thicker further, till the spacing be connected with pen core until the interior step of pen point casing all disappears.Under spring force, pen point casing remains the contact with writing surface, but can not obviously affect the feel of writing.

Those skilled in the art it should be noted that the embodiment described by the utility model is only exemplary, can make other replacements various, changes and improvements in scope of the present utility model.Thus, the utility model is not limited to above-mentioned embodiment, and is only defined by the claims.

Claims (10)

1. a ball pen, is characterized in that, comprising:

Penholder, described penholder is hollow structure, has a front end endoporus;

Pen point casing, described pen point casing is arranged at the front end of described penholder, and is inserted in the endoporus of described front end;

Nib, described nib is through described pen point casing;

Ink storage pipe, described ink storage pipe is arranged in described penholder;

Pen core connects, and described pen core connects and connects described nib and described ink storage pipe respectively; And

Spring, described spring is arranged between described pen point casing is connected with described pen core,

Wherein, described pen point casing can along the axis direction of described penholder and described written relative movement.

2. ball pen according to claim 1, is characterized in that, described nib has a ball seat body and a ball, and described ball seat body is inserted in described pen point casing, and described ball to be clasped in described ball seat body and protruded from described pen point casing.

3. ball pen according to claim 1, it is characterized in that, described pen point casing has a front end perforate and a rear end perforate, and the aperture of described rear end perforate is greater than the aperture of described front end perforate, has step between described front end perforate and the perforate of described rear end.

4. ball pen according to claim 3, is characterized in that, the outside of the rear end perforate of described pen point casing has a protrusion step, and described protrusion step is arranged in the endoporus place, front end of described penholder.

5. ball pen according to claim 4, is characterized in that, described pen core connection has an endoporus, and described endoporus is communicated with described ink storage pipe and described nib.

6. ball pen according to claim 5, it is characterized in that, described pen core connects and comprises an anterior and rear portion, be connected with described nib in the open rearward end that described front portion is inserted in described pen point casing, described rear portion is connected with described ink storage pipe, and the diameter of described front portion is less than the diameter at described rear portion.

7. ball pen according to claim 6, is characterized in that, has a gap between the front portion that described pen core connects and described interior step.

8. ball pen according to claim 6, is characterized in that, described spring has a front end and a rear end, and described front end contacts with the protrusion step of described pen point casing, the back contacts that described rear end is connected with described pen core.

9. ball pen according to claim 8, is characterized in that, the rear portion that described pen core connects comprises multiple stria portion.

10. the ball pen according to any one of claim 1-9, is characterized in that, the material that described pen core connects is elastomeric material.