CN1711175A - Retractable writing material - Google Patents
Retractable writing material Download PDFInfo
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- CN1711175A CN1711175A CN 200380103481 CN200380103481A CN1711175A CN 1711175 A CN1711175 A CN 1711175A CN 200380103481 CN200380103481 CN 200380103481 CN 200380103481 A CN200380103481 A CN 200380103481A CN 1711175 A CN1711175 A CN 1711175A
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Abstract
A retractable writing material has a writing body retractable in a shaft tube, and has a seal cover and a seal tube portion that seal a writing portion of the writing body while interlocking with a forward/backward movement of the writing body. The seal cover and a guide tube that is fixed to the writing body are connected by plural fine line portions, and the seal cover and the fine line portions are integrally formed. The seal cover is opened and closed relative to the seal tube portion by the advance and retreat of the fine line portions. The tip of the writing portion is reliably sealed with the seal cover and seal tube portion when the writing body is in a stored position, so that the writing body is prevented from drying.
Description
Technical field
The present invention relates in beam barrel, have script extended, indentation, and have and the action interlock of the front and back of this script, seal cover that the writing portion of aforementioned script is airtight and the retractable writing implement of sealing drum portion.
Background technology
As existing retractable writing implement, the no pen cap type writing implement that for example special fair 5-68360 communique is put down in writing is known.This no pen cap type writing implement, be provided with in its main body that the writing portion that has for the script front end stretches out, the sealing drum of the through hole of indentation, and swing is equipped with seal cover freely near the front aperture of sealing tube, when aforementioned writing portion is taken in, by aforementioned seal cover being closed, thereby make aforementioned writing portion maintain air-tight state by the thread-like member of the elastomeric element application of force.According to such writing implement, because of not needing to carry out the dress of plucking of the cap for brush, so can obtain effect easy to use.
But in above-mentioned no cap for brush writing implement, seal cover is attached on the sealing drum via hinge portion, and therefore, not only the elastic force of elastomeric element hour can not be airtight fully, and elastic force also can cause when big airtight insufficient sometimes.That is, the side that thread-like member is installed can be stretched powerfully, thereby produces the gap and cause can not be airtight fully near the hinge portion of being fixed on the sealing drum.That is to say that owing to the major axis of direction that seal cover is pressed against the power on the sealing drum and writing implement is not parallel, thereby when being stretched, the extension of the stretching of thread-like member and hinge portion can make balance be damaged powerfully, causes seal to reduce.
Summary of the invention
The objective of the invention is, a kind of retractable writing implement is provided, enough seal covers of energy and sealing drum portion are airtight reliably with the writing portion of front end when script is taken in, and prevent the drying of script with this.
Retractable writing implement involved in the present invention, it is a kind of script extended, indentation that in beam barrel, has, and have and the action interlock of the front and back of this script, seal cover that the writing portion of aforementioned script is airtight and the retractable writing implement of sealing drum portion, it is characterized in that, aforementioned seal cover links to each other by many thin thread parts with guide cylinder on being fixed on aforementioned script, and aforementioned seal cover and thin thread part form, and by moving forward and backward of this thin thread part aforementioned seal cover are opened and closed with respect to aforementioned sealing drum portion.
As above-mentioned retractable writing implement, preferably, aforementioned many thin thread parts make to become the structure of deflection distortion.
In addition,, also can be designed to such structure, that is, be provided with the mechanism that advances and limit by at least one thin thread part among the preceding of aforementioned guide cylinder and then the many thin thread parts advancing as above-mentioned retractable writing implement.
In addition, as above-mentioned retractable writing implement, also can be designed to such structure, that is, to limiting by the advancing of at least one thin thread part among the preceding of aforementioned guide cylinder and then the many thin thread parts advancing, and other thin thread part can deflection deformation.
In addition, as above-mentioned retractable writing implement, also can be designed to such structure, promptly, be provided with the card locking mechanism, described card locking mechanism makes to be inserted in loosely on the aforementioned guide cylinder and with its card by at least one thin thread part among the preceding of aforementioned guide cylinder and then the many thin thread parts advancing and ends on this guide cylinder.
In addition, as above-mentioned retractable writing implement, preferably, the airtight power between aforementioned seal cover and the aforementioned sealing drum portion and, the airtight power between aforementioned writing portion and the aforementioned sealing drum portion, be 50～100kPa.
In addition, as above-mentioned retractable writing implement, preferably, at least one among aforementioned seal cover and the aforementioned sealing drum portion is 3.0 (g.mm/m under the condition of 37.8 ℃ (90%RH) by the moisture-vapor transmission of ASTM F 1249 defineds
2.day) following material constitutes.
Have again, retractable writing implement involved in the present invention, as a kind of in beam barrel, have extended, the script of indentation, and have and the action interlock of the front and back of this script, the seal cover that the writing portion of aforementioned script is airtight and the retractable writing implement of sealing drum portion, it is characterized in that, aforementioned sealing drum portion is fixed in the aforementioned beam barrel, the place ahead in sealing tube portion disposes aforementioned seal cover, rear in sealing tube portion disposes guide cylinder, aforementioned guide cylinder is fixed on the aforementioned script, and aforementioned guide cylinder links to each other by having many flexible thin thread parts with aforementioned seal cover, when aforementioned script is positioned on the going-back position, keep aforementioned many thin thread parts with aforementioned seal cover by the state that is pressed in the aforementioned sealing drum portion, close with this front opening aforementioned sealing drum portion, on the other hand, when aforementioned script is advanced, a certain thin thread part among the aforementioned many thin thread parts is restricted with respect to advancing of aforementioned sealing drum portion and advancing of other thin thread part is allowed to, with this, the front opening of aforementioned sealing drum portion is opened thereby aforementioned seal cover rotates.
As above-mentioned retractable writing implement, also can be designed to such structure, promptly, the advance front portion of thin thread part of restriction object of becoming among the aforementioned many thin thread parts is provided with bulge, and, on the peripheral part of aforementioned sealing drum portion, be provided with and when aforementioned script is advanced, aforementioned bulge blocked the card that ends and end end difference.
In addition, as above-mentioned retractable writing implement, also can be designed to such structure, that is, aforementioned seal cover and aforementioned thin thread part form.
In addition, as above-mentioned retractable writing implement, also can be designed to such structure, promptly, between aforementioned sealing drum portion and aforementioned guide cylinder, clamp flexible parts, when aforementioned script is positioned on the going-back position, under the effect of aforementioned elastomeric element, keep aforementioned many thin thread parts with aforementioned seal cover by the state that is pressed in the aforementioned sealing drum portion.In this case, preferably, aforementioned many thin thread parts are arranged between aforementioned guide cylinder and the aforementioned seal cover, make when aforementioned script is positioned on the going-back position, and the direction that acts on the power on the aforementioned seal cover from aforementioned many thin thread parts is axial consistent with aforementioned beam barrel.
In addition, as above-mentioned retractable writing implement, also can adopt such structure, that is, aforementioned many thin thread parts are along the inner peripheral surface setting of aforementioned beam barrel, and, on the surface of aforementioned many thin thread parts, be coated with lubricant.
In addition, as above-mentioned retractable writing implement, also can adopt such structure, that is, aforementioned thin thread part is provided with a plurality of reducing diameter parts, and aforementioned thin thread part can bend at these reducing diameter part places.
In addition, as above-mentioned retractable writing implement, preferably, the leading section of aforementioned many thin thread parts uniformly-spaced disposes along the peripheral part of aforementioned seal cover.
In addition, as above-mentioned retractable writing implement, also can on the opposed position of aforementioned seal cover and aforementioned sealing drum portion, clamp soft parts.
Description of drawings
Fig. 1 represents the 1st embodiment of retractable writing implement involved in the present invention, is longitudinal section state, major part of expression script when taking in.
Fig. 2 is the sectional elevation of Fig. 1.
Fig. 3 is the enlarged drawing of the major part of Fig. 1.
Fig. 4 is the enlarged drawing of the major part of Fig. 1.
Fig. 5 is the expanded view of Fig. 4.
Fig. 6 is the enlarged drawing of the major part of Fig. 5.
Fig. 7 is the enlarged drawing of the major part of Fig. 1.
Fig. 8 is the exploded perspective view of Fig. 1.
Fig. 9 is the longitudinal section of major part of the state of front end when stretching out of expression script.
Figure 10 is to the action of the retractable writing implement of Fig. 1 stereogram that describe, major part.
Figure 11 is the only longitudinal section of the major part of the variation of end difference of expression card.
Figure 12 is the longitudinal section of major part of the 2nd embodiment of expression retractable writing implement involved in the present invention.
Figure 13 is the longitudinal section of the major part that describes of the action to the retractable writing implement of Figure 12, the state the when front end that shows script stretches out.
Figure 14 is the stereogram of Figure 13.
Figure 15 is the stereogram that the action to the retractable writing implement of Figure 12 describes, the state when showing script and taking in.
Figure 16 is the stereogram of the major part that describes of the installation method to sliding shoe.
Figure 17 is the stereoscopic figure of the variation of expression sliding shoe.
Figure 18 is the stereoscopic figure of major part of the variation of expression sliding shoe.
Figure 19 is the stereoscopic figure that the sliding shoe state afterwards of Figure 18 is installed in expression.
Figure 20 is the stereoscopic figure of major part of the variation of expression sliding shoe.
Figure 21 is the longitudinal section that the major part of the state after the sliding shoe of Figure 20 is installed in expression.
The specific embodiment
[the 1st embodiment]
In conjunction with Fig. 1～Figure 10 the 1st embodiment of the present invention is described.Fig. 1 is the partial, longitudinal cross-sectional that the state of the state, seal cover 4 when script 2 is taken in when airtight showed.Front portion in beam barrel 1, be provided with via elastomeric element 7 by the sealing drum portion 3 of the application of force forwards, the leading section card of sealing tube portion 3 ends on end difference 1n, thereby has prevented to come off from beam barrel 1, but also can make sealing tube portion 3 integrally formed on the inner surface of aforementioned beam barrel 1.As shown in Figure 7, on the inner surface at the rear portion of sealing tube portion 3, be formed be used to keep and the outer wall of the front portion of script 2 between airtight inboard rib 3a.In addition, in the present embodiment, on seal cover 4, on the position of uniformly-spaced (120 degree at interval), be formed with 3 thin thread parts 51,52,53 (with reference to Fig. 4, Fig. 5) radially, its radical is not limited to 3, but preferably be arranged on the equally spaced position, in addition, also can form split.
On the surface of aforementioned thin thread part 51,52,53, be coated with lubricant, but also can when being shaped, lubricant be mixed in resin.As the example of this lubricant, can list good lubricants such as silicone oil, wax, talcum powder, lubricating grease, but the operation consideration from applying is advisable with this liquid of silicone oil.As Fig. 4 and shown in Figure 10, the rear end of thin thread part 52,53 is fixed on the guide cylinder 6, and thin thread part 51 then is slidably mounted on the guide cylinder 6.In addition, as shown in Figure 1, open between guide cylinder 6 and sealing drum portion 3 and be provided with elastomeric element 7, under the effect of this elastomeric element 7, aforementioned seal cover 4 is pulled to the rear, makes sealing lid 4 and sealing drum portion 3 keep airtight.And sealing lid 4 and sealing drum portion 3 is airtight, both can make seal cover 4 and sealing drum portion 3 directly airtight as present embodiment, also can be folder establish soft parts and realize airtight.In addition, the front portion of the inner surface of sealing drum portion 3 and script 2 airtight, also can be by folder establish the soft parts of ring-type, the O type ring that for example is made of rubber or resin realizes.Have, the rear end of aforementioned thin thread part 52,53 and the linking part of guide cylinder 6 are the base portion 6a that is the wide cut of circular arc again.By making base portion 6a wideer, can prevent that this part is because of alternating bending deterioration even fracture (with reference to Fig. 5, Fig. 6) than the width of the other parts of thin thread part.
Aforementioned sealing drum portion 3 is described in more detail.As Fig. 1 and shown in Figure 7, spatial portion 3b in the inboard of aforementioned sealing drum portion 3 is formed with, spatial portion 3b has the external diameter internal diameter about equally with the writing portion 10 of aforementioned script 2 in this.By making interior spatial portion 3b as far as possible little, not only can prevent the drying of writing portion 10, can also prevent from the drying of the China ink of writing portion 10 outflows.Among Fig. 7, interior spatial portion 3b with these writing portion 10 corresponding positions on, be formed with large-diameter portion 3c.This is to be transferred on the interior spatial portion 3b attached to the China ink on the writing portion 10 in order to prevent, and prevents that China ink from spreading on the aforementioned inboard rib 3a because of capillarity.In the present embodiment, its diameter of aforesaid large-diameter portion is big to the degree that can not produce capillarity, specifically, about the diameter big 0.8mm of its internal diameter than other parts, but as long as just can reach same effect about big 0.6mm～1.0mm.
As shown in Figure 4, on aforementioned thin thread part 51,52,53, be provided with a plurality of reducing diameter part 51a, 52a, 53a partly regularly.This is because aforementioned reducing diameter part 51a, 52a, 53a are easily along with script 2 and be fixed on the preceding of guide cylinder 6 on this script 2 and then generation deflection deformation beam barrel 1 in.In this Fig. 4, mark 51b is arranged on the bulge on the aforementioned thin thread part 51, this bulge 51b, be by with the outstanding lateral surface that is arranged on sealing drum portion 3 on card end end difference 3e engage (card only the reducing diameter part 3d place between the end difference 3e make to advance be obstructed), limit thin thread part 51 along with the preceding of aforementioned guide cylinder 6 and then advance.Therefore, thin thread part 51 is restricted, but other two thin thread parts 52 and 53 still advance, thereby aforementioned seal cover 4 will be to be that pivot is rotated near the front end of thin thread part 51, and seal cover 4 is opened and become the state of writing (with reference to Fig. 9).
As the airtight power that the writing portion of aforementioned script 2 is airtight, according to airtight power assay method described later, be preferably 50～100kPa, be good especially with the airtight power in 60～80kPa scope.The airtight portion that needs this airtight power, as shown in Figure 7, have between sealing drum portion 3 and the seal cover 4 airtight portion and, airtight this two place on the rear side inwall of sealing drum portion 3 between formed inboard rib 3a and the script 2.These airtight needed airtight power such as aforementioned, if the not enough 50kPa of airtight power, then black solvent can pass through airtight and see through volatilization, can produce the problem of the writing style of calligraphy characterized by hollow strokes if the consideration timeliness is durable.And if surpass 100kPa, then need to increase the load of elastomeric element 7, thereby such problem can take place, promptly, by means of elastomeric element 7 to seal cover 4 backward the thin thread part 51,52,53 of the towing application of force rupture halfway or As time goes on be elongated, and script 2 stretches out, needed impact pressing force increased and causes the operation problems such as difficulty that become when indentation was moved.Therefore, by airtight power is limited in the above-mentioned scope, can provide such retractable writing implement, that is, thereby the air-tight state of the writing portion 10 of script 2 is kept well preventing drying conscientiously that and script 2 is easy to stretch out, indentation.
In addition, sealing drum portion 3 that the writing portion 10 of aforementioned script 2 is airtight and among the seal cover 4 at least one constitute by having excellent airproof material.Preferably, the moisture-vapor transmission of ASTM F 1249 defineds is 3.0 (g.mm/m under the condition of 37.8 ℃ (90%RH)
2.day) below, especially the moisture-vapor transmission with ASTM F 1249 defineds is 1.0 (g.mm/m under the condition of 37.8 ℃ (90%RH)
2.day) following is good, as long as meet above-mentioned requirements, material is not particularly limited.Example as concrete material, butyl rubber (IIR), acrylonitrile-butadiene rubber (NBR), EP rubbers (EPDM), silicone rubber, chloroprene rubber (CR), polyurethane rubber (U) be can list, fluorubber (FKM), CSM (CSM), olefin hydrocarbons thermoplasticity elastic body etc. contained, but in addition, can also list the mixed product of the mixed product of above-mentioned various rubber, above-mentioned various rubber and resin material etc.Especially be good with airproof butyl rubber (IIR) with excellence or olefin hydrocarbons thermoplasticity elastic body with butyl rubber composition.
In addition, preferably, the sealing drum portion 3 of present embodiment and among the seal cover 4 at least one are that the Shore hardness by ASTM D 2240 defineds is the elastomeric materials of 20 degree～90 degree or the material that the elastic resin material constitutes, and Shore hardness is that 50 degree～80 degree are then better.This be because, reach the state of writing shown in Figure 9, script 2 must can be along sealing drum portion 3 inner slide.But, must be again airtight between the inboard rib 3a of the anterior outer wall of script 2 and sealing drum portion 3.Therefore, if hardness is too high, then for airtight, the outer wall of script 2 and inboard rib 3a are eager to excel to defeat and touch, thereby writing portion is with respect to the sliding variation of sealing drum portion 3, can cause inboard rib 3a because of passing the deterioration formation abrasion that produces in time easily, can't realize airtight.Otherwise, if hardness is low excessively, the release property variation during injection moulding then, productivity ratio is low, and is impracticable.Therefore,, the air-tight state of the writing portion of script 2 is kept, prevent drying conscientiously by hardness being limited in the above-mentioned scope, and can make stretch out, the indentation action time has good sliding.That is, can provide seal and sliding to obtain the retractable writing implement of balance well.
Figure 11 is the variation that aforementioned card ends end difference 3e.The front portion of thin thread part 51 is provided with jut 51d, and the inner surface of aforementioned beam barrel 1 is provided with and aforementioned jut 51d is blocked the card that ends ends end difference 1m.The card that utilizes this jut 51d and card to end end difference 1m ends effect, and advancing of aforementioned thin thread part 51 is restricted.
Mark 8 among Fig. 1 and Fig. 2 is the hooks that are integrally formed on the aforementioned beam barrel 1, but also can be made of separate part respectively and be fixed together.In addition, mark 2b is the impact part that is positioned at the rear portion of aforementioned script 2.By pushing this impact part 2b, can make script 2 advance and stretch out from the front end of beam barrel 1.Mark 9 is the sliding shoes that are attached on the aforementioned impact part 2b, when script 2 is stretched out, can block only on the fastener 1b that is formed at the guide channel 1a on the beam barrel 1.And when this sliding shoe 9 was rotated diametrically, aforementioned card ends effect just to be removed, and script 2 will retreat under the active force of elastomeric element 7, and seal cover 4 is airtight with sealing drum portion 3 once more.
As Fig. 1, Fig. 8 and shown in Figure 9, on the leading section of beam barrel 1, be provided with the front end perforate, the front end of script 2 is extended therein, indentation ground slides, and is provided with the rear end perforate that can dispose the impact part 2b that constitutes script 2 slidably on rearward end.In addition, on the side of beam barrel 1, be formed with the guide channel 1a that is formed with fastener 1b on preceding extreme direction, sliding shoe 9 can slide along its length therein.The rear portion of this guide channel 1a does not link to each other with the rear end perforate of beam barrel 1, and guide channel 1a forms closed window portion in the side of beam barrel 1.That is, the front-end and back-end of guide channel 1a (rearward end 1c) seals.In addition, the rearward end 1c of guide channel 1a, or the fastener of the sliding shoe 9 of script 2 when being accommodated in the beam barrel 1.
Have again, as shown in Figure 8, along the circumferential direction be formed with limiting groove 1i from the rearward end 1c of this guide channel 1a.When dispatching from the factory and when not using, make the circumferencial direction rotation of sliding shoe 9, make its base portion 9b be arranged in limiting groove 1i, can prevent just that accident is stretched out, indentation to beam barrel 1.And this moment, sliding shoe 9 can engage with beam barrel 1, makes sliding shoe 9 (base portion 9b) be difficult for resetting.Specifically, being arranged on projection 9h on the lower surface of sliding shoe 9 can be fastened on the projection 1k (with reference to Fig. 3) on the outer peripheral face that is arranged on beam barrel 1.In addition, in this example, base portion 9b (sliding shoe 9) and impact part 2b form as separate part separately and are fixed mutually, but it is integrally formed also can to adopt methods such as injection moulding or machining.
As shown in Figure 8, on the bottom surface of aforementioned limitations groove 1i (leading section), be formed with the inclination face 11 that direction tilts that stretches out here, towards script 2.As if having carried out the excessive operation of stretching out under the state that is arranged in limiting groove 1i at base portion 9b, base portion 9b can advance along aforementioned inclination facial 11.That is, can prevent limiting groove 1i or base portion 9b damage in unexpected or excessive pressing operation.In this example, when effect have an appointment 3.0kg～5.0kg stretch out operating physical force the time, base portion 9b can facial 11 be separated from limiting groove 1i and arrives among the guide channel 1a along tilting.
In addition, on the rearward end 1c of guide channel 1a, be formed with projection 1j down, the rake 9e of the concavity of base portion 9b described later can engage with it.That is, in use, can avoid sliding shoe 9 with respect to beam barrel 1 unexpected rotation.
Aforementioned sliding shoe 9, by the 9a of button portion in the outside that is positioned at beam barrel 1, guide channel 1a slide base portion 9b that card ends and, the inside portion 9c that encircles script 2 ground settings in the inboard of beam barrel 1 constitutes.In Fig. 1, the rear portion of the base portion 9b of sliding shoe 9 and rearward end 1c or the butt of guide channel 1a or separate small gap.
In addition, the inside portion 9c of aforementioned sliding shoe 9 encircles script 2 ground settings, and it can be the center rotation with major axis (central shaft of beam barrel 1) that sliding shoe 9 is configured to.Specifically, dismounting links freely and is fixed together by screwing togather to write body 2a and impact part 2b, and the inside portion 9c of aforementioned sliding shoe 9 is slow to be contained in this and to screw togather on the part.That is, inside portion 9c is to become one to be sandwiched in the state and the script 2 of writing between body 2a and the impact part 2b.In addition, aforementionedly write body 2a and impact part 2b links together by screwing togather, and the front portion of this screw-joining structure is an airtight construction portion.Specifically, be formed at circumferential rib on the inner surface of writing body 2a, contact, each other crimping distortion and form the closely airtight construction of contact with, the planar portions 2c that is formed on the impact part 2b.Constituted thus the attract deposit China ink of body of China ink described later is evaporated away or the screw-joining structure of extremely difficult evaporation from aforementioned airtight construction portion.
In the inside of writing body 2a and impact part 2b that links to each other by above-mentioned airtight construction, be fitted with the China ink that constitutes by the collection of filaments body body of attracting deposit, but also can be porous plastids such as sponge, polyurethane or cotton.In addition, on the China ink that is made of aforementioned fibers boundling body is attracted deposit the surface of body, the cladding of reeling and constituting by film-like members, but also can be formed with a plurality of through holes on this cladding.
Below, action is described.When impact part 2b advances with respect to beam barrel 1, write body 2a (script 2) and will overcome the elastic force of aforementioned elastomeric element 7 and advance.At this moment, aforementioned thin thread part 51,52,53 also advances and obtains discharging under tensioning state, and seal cover 4 is opened.When impact part 2b is advanced further, will be as shown in Figure 9, to write body 2a and advance, its leading section stretches out from the front end opening of beam barrel 1.Stretch out in the process at this, aforementioned thin thread part 52,53 becomes the state of the inner surface sliding-contact limit deflection of limit and beam barrel 1, but owing to be coated with aforementioned lubricants, so sliding-contact mobile smoothly, its result becomes the state (with reference to Figure 10) that is the circular arc bending.
At this moment, when impact part 2b moves on, be formed at the rake 9e of concavity at rear portion of the base portion 9b of aforementioned sliding shoe 9, will be ended on the fastener that is acute angle (projection) 1b of beam barrel 1, the state of writing is kept by card.When the 9a of button portion that makes sliding shoe 9 under this state is center when suitably rotating with the major axis, can make the card of the fastener 1b of the base portion 9b of sliding shoe 9 and guide channel 1a end state and remove, script 2 becomes the state of taking in.
[the 2nd embodiment]
Figure 12～Figure 15 shows the 2nd embodiment of the present invention.Many thin thread parts 51,52,53 also can be same with above-mentioned the 1st embodiment, is integrally formed on the seal cover 4.But the rear end of two thin thread parts 52,53 is fixed on the guide cylinder 6, and other thin thread part 51 then is inserted among the through slot 6c (or through hole) of the guiding usefulness on the lateral surface that is arranged on guide cylinder 6 loosely, and the reducing diameter part of precedent be not be formed with a plurality of.In addition, as shown in figure 14, near the rear end of this thin thread part 51, be provided with locking protrusion 51e, this locking protrusion 51e can be ended in aforementioned through slot 6c by card.Promptly, when aforementioned script 2 is taken in, locking protrusion 51e is only blocked, and set card ends on the end difference 6b near the through slot 6c of aforementioned guide cylinder 6 lateral surfaces, thereby will be with other two thin thread parts 52,53, under the active force of elastomeric element 7 with seal cover 4 towing backward, its result can make seal cover 4 and sealing drum portion 3 airtight.
In addition, as shown in figure 15, front portion at thin thread part 51, similarly be provided with bulge 51b with above-mentioned the 1st embodiment, end the butt of end difference 3e by formed card on the lateral surface of itself and sealing drum portion 3, come to thin thread part 51 along with the preceding of guide cylinder 6 so that carry out advance to limit and make it and can not exceed to a certain degree.And other two thin thread parts 52,53, will the deflection deformation limit take place along with the limit of advancing of guide cylinder 6 advances, and therefore, seal cover 4 will be being the pivot Unscrew near thin thread part 51 front ends, thereby become the state of writing.At this moment because the rear portion of thin thread part 51 inserts loosely with respect to guide cylinder 6, therefore, can be as above-mentioned the 1st embodiment and guide cylinder 6 advance simultaneously, in addition, although how much advance with respect to beam barrel 1 some also can stop.
In above-mentioned the 1st embodiment, when being in when writing state, make thin thread part 51 deflection deformation in limited space, thereby need have enough flexiblely, and need have seal cover 4 and keep the required intensity of tensioning when airtight.But, because the relation of the thickness of script 2, in some cases, with deflection deformation with thin thread part 51 be the principal phase ratio, it is more suitable to make it to rest in the beam barrel 1.Its example is the 2nd embodiment.Certainly, also can adopt deflection deformation and be inserted in these two kinds of methods on the outer surface of guide cylinder 6 loosely simultaneously.
In the present embodiment, even rest on the relative front and back action that also can not hinder script 2 and beam barrel 1 in the beam barrel 1 for the rear portion of accomplishing to write thin thread part 51 under the state, be formed with the groove shape 1p of portion in the beam barrel 1, and the rear portion of thin thread part 51 is configured among this groove shape 1p of portion, therefore, the front and back action of script 2 is smoothly carried out.In addition, though not shown, also can on script 2, form the slot part that is equivalent to aforementioned grooves shape portion, perhaps, make the gap between beam barrel 1 and the script 2 have enough big with respect to the thickness of thin thread part 51.
[installation method of sliding shoe and variation]
Below, the installation method that sliding shoe 9 is installed to beam barrel 1 describes.Figure 16 is a stereogram of showing the process on the beam barrel 1 that sliding shoe 9 is installed to.As shown in Figure 16, the width 9f of inside portion 9c can insert with respect to the width 1d (with reference to Fig. 1) of beam barrel guide channel for (with reference to Fig. 8), at first, to write body 2a inserts in the beam barrel 1, below can be by with about 90 ° and easily inside portion 9c is configured in the beam barrel 1 of sliding shoe 9 rotation, afterwards, with sliding shoe 9 half-twists, finish assembling.Secondly, impact part 2b is passed from the 9c of inside portion, and impact part 2b screwed togather to be fixed on write on the body 2a, just become finished product.
In Figure 16, inside portion 9c is designed to be able to insert in the width of guide channel 1a of beam barrel 1, but also can adopt the scheme that is pressed into, in addition, can also select the width 9f of inside portion 9c like this, that is, near the groove width the fastener 1b of beam barrel 1 is widened and can be by making it in the rotation of this position to assemble.
In addition, the inside portion 9c of sliding shoe 9 is not limited to closed-loop, also can make local cut C shape ring (with reference to Figure 17), perhaps makes the local shape of circular arc that is.
Figure 18 is another variation of sliding shoe 9.When being installed to sliding shoe 9 on the beam barrel 1, can making near the wide width part 1e place limit distortion of the inside portion 9c fastener 1b of guide channel 1a dwindle the limit and embed.The stereogram that Figure 19 shows the state after being assembled into writing implement, when script 2 is taken in.Sliding shoe 9 rotations can be assembled, and therefore, its assembling is simplified.
Figure 20 and Figure 21 are another variation of sliding shoe 9, and it has formed hook portion 9j on the 9a of button portion of sliding shoe 9.The hook bulb of this hook portion 9j is provided with fastener 9i, this fastener 9i is fastened among the stop hole 1h on the side that is arranged on beam barrel 1, just can keep the state of writing, and be fastened among the stop hole 1g at the rear that is arranged on stop hole 1h, then can keep receiving state.Be installed to the method on the beam barrel 1, identical with method shown in Figure 16.
[experimental example]
For above-mentioned retractable writing implement, carried out the mensuration and the timeliness Evaluation of Durability of airtight power with following method.
The assay method of＜airtight power 〉
Under the state of Fig. 1, pull down impact part 2b from script 2, on the rear end of this script 2, link silicone tube (not shown) with air-tight state.The other end of silicone tube is attached on the leak detecting device (LEAK TESTER (manufacturing of company of Tokyo Seimitsu Co., Ltd)) with air-tight state.Be immersed in the proper container that water is housed about half of the beam barrel 1 of sealing drum portion 3 one sides again.Under this state, utilize leak detecting device force feed air pressure 12 seconds arbitrarily, with not can from the airtight portion between sealing drum portion 3 and the seal cover 4 or, between the anterior outer wall of script 2 and the inboard rib 3a airtight produce the critical value of air pressure of bubble as airtight power.
＜timeliness Evaluation of Durability 〉
Under the state of Fig. 1, the configuration China ink body (propylene system) of attracting deposit in script 2, filling with ethanol is the alcohols oiliness China ink 3g of main solvent.Be embedded with pen core (propylene system) on the front end of script 2, the other end of pen core is pressed into China ink and attracts deposit in the body.With sample classification, the moisture-vapor transmission of the material of sealing drum portion 3 is as follows respectively with above-mentioned airtight power assay method.
Sample 1:20kPa＜moisture-vapor transmission 0.6 〉
Sample 2:30kPa＜moisture-vapor transmission 0.6 〉
Sample 3:40kPa＜moisture-vapor transmission 0.6 〉
Sample 4:50kPa＜moisture-vapor transmission 3.2 〉
Sample 5:50kPa＜moisture-vapor transmission 0.6 〉
Sample 6:60kPa＜moisture-vapor transmission 1.2 〉
Sample 7:80kPa＜moisture-vapor transmission 2.4 〉
Sample 8:100kPa＜moisture-vapor transmission 2.4 〉
Sample 9:110kPa＜moisture-vapor transmission 0.6 〉
Each sample was at room temperature placed 1 hour after 1 day 50 ℃ of horizontal down placements, on the paper of high-quality, write then.Afterwards, continue at room temperature to place 1 hour after 7 days, on the paper of high-quality, write then 50 ℃ of horizontal down placements.Person's handwriting is separately observed, carried out visual valuation according to following evaluation criterion.
Zero: any problem ground can not take place write
△: writing has the style of calligraphy characterized by hollow strokes slightly
*: drying, the writing style of calligraphy characterized by hollow strokes
The result is as shown in table 1 for the timeliness Evaluation of Durability.
Table 1
| Airtight power (kPa) | Moisture-vapor transmission | 50 ℃, 1 day | 50 ℃, 7 | |
| Sample | ||||
| 1 | ??20 | ??0.6 | ??× | ??× |
| | ??30 | ??0.6 | ??△ | ??× |
| | ??40 | ??0.6 | ??△ | ??× |
| | ??50 | ??3.2 | ??○ | ??△ |
| | ??50 | ??0.6 | ??○ | ??○ |
| | ??60 | ??1.2 | ??○ | ??○ |
| | ??80 | ??2.4 | ??○ | ??○ |
| | ??100 | ??2.4 | ??○ | ??○ |
| | ??110 | ??0.6 | ??△ | ??× |
By the evaluation result of top table 1 as can be known, sample 5～8 in the scope of the invention, have the airtight portion that can make between sealing drum portion 3 and the seal cover 4 or, the airtight power of 50～100kPa of fully being maintained of the air-tightness of the anterior outer wall of script 2 and the airtight portion between the inboard rib 3a, and owing to be to have excellent airproof material, thereby obtained for (50 ℃ of short-term timeliness, 1 day) and long-term timeliness (50 ℃, 7 days) can have the airtight power that any problem ground is not write.
With respect to this, the sample 1～4 and 9 outside the scope of the invention, because of the air-tightness deficiency, black solvent sees through material such as airtight and rubber and volatilizees, and therefore, in the timeliness endurancing, has occurred because of the exsiccation writing style of calligraphy characterized by hollow strokes or the result of the style of calligraphy characterized by hollow strokes is arranged slightly.Find when each sample is observed that the airtight power of sample 1～3 is below 50kPa, black solvent sees through airtight weak volatilization of airtight power, occurs the result of the writing style of calligraphy characterized by hollow strokes in the timeliness endurancing.Next though sample 4 airtight power reach 50kPa, owing to being the moisture-vapor transmission height, being the material of air impermeability difference, therefore, the short-term timeliness occurs and does not go wrong, but has then occurred the result of the writing style of calligraphy characterized by hollow strokes in long-term timeliness.Though and sample 9 has adopted the airproof material with excellence, airtight power surpasses 100kPa, therefore, because the load of elastomeric element 7 increases, thin thread part is because heat-resisting timeliness and by being stretched length, makes seal cover 4 reaction force attenuation of towing backward, causes writing portion to become dry.
Industrial applicibility
The present invention can be with as above aforesaid structure and effect thereof and is solved above-mentioned problem, and the good telescopic instrument of writing is provided. Namely, as a kind of body of writing that in the axle cylinder, has extended, indentation, and have with this write body front and back action interlock, will write the airtight seal cover of the writing portion of body and the telescopic instrument of writing of sealing cylinder section, seal cover be fixed on the guide cylinder of writing on the body and link to each other by many thin thread parts, and, seal cover and thin thread part are integrally formed, by moving forward and backward of this thin thread part seal cover is opened and closed with respect to sealing cylinder section, therefore, when writing body and take in, can be with seal cover and sealing cylinder section that the writing portion of front end is airtight reliably, prevent from writing the drying of body with this.
Claims (16)
1. retractable writing implement, in beam barrel, has script extended, indentation, and have and the front and back action interlock of this script, seal cover and the sealing drum portion that the writing portion of aforementioned script is airtight, it is characterized in that, aforementioned seal cover links to each other by many thin thread parts with guide cylinder on being fixed on aforementioned script, and aforementioned seal cover and thin thread part form, and the forward-reverse by this thin thread part makes aforementioned seal cover open and close with respect to aforementioned sealing drum portion.
2. retractable writing implement as claimed in claim 1 is characterized in that, aforementioned many thin thread parts can deflection deformation.
3. retractable writing implement as claimed in claim 1 is characterized in that, is provided with the mechanism that advances and limit by at least one thin thread part among the preceding of aforementioned guide cylinder and then the many thin thread parts advancing.
4. retractable writing implement as claimed in claim 1 is characterized in that, to limiting by the advancing of at least one thin thread part among the preceding of aforementioned guide cylinder and then the many thin thread parts advancing, and other thin thread part can deflection deformation.
5. retractable writing implement as claimed in claim 1, it is characterized in that, be provided with the card locking mechanism, described card locking mechanism makes to be inserted in loosely on the aforementioned guide cylinder and with its card by at least one thin thread part among the preceding of aforementioned guide cylinder and then the many thin thread parts advancing and ends on this guide cylinder.
6. retractable writing implement as claimed in claim 1 is characterized in that, the airtight power between aforementioned seal cover and the aforementioned sealing drum portion and, the airtight power between aforementioned writing portion and the aforementioned sealing drum portion, be 50～100kPa.
7. retractable writing implement as claimed in claim 1 is characterized in that, at least one among aforementioned seal cover and the aforementioned sealing drum portion is 3.0 (g.mm/m under the condition of 37.8 ℃ (90%RH) by the moisture-vapor transmission of ASTM F 1249 defineds
2.day) following material constitutes.
8. a retractable writing implement has script extended, indentation in beam barrel, and has and the front and back action interlock of this script, seal cover and the sealing drum portion that the writing portion of aforementioned script is airtight, it is characterized in that,
Aforementioned sealing drum portion is fixed in the aforementioned beam barrel, the place ahead in sealing tube portion disposes aforementioned seal cover, disposes guide cylinder at the rear of sealing tube portion, and aforementioned guide cylinder is fixed on the aforementioned script, and aforementioned guide cylinder links to each other by having many flexible thin thread parts with aforementioned seal cover
When aforementioned script is positioned on the going-back position, keep aforementioned many thin thread parts with aforementioned seal cover by the state that is pressed in the aforementioned sealing drum portion, close with this front opening aforementioned sealing drum portion, on the other hand, when aforementioned script is advanced, a certain thin thread part among the aforementioned many thin thread parts is restricted with respect to advancing of aforementioned sealing drum portion and advancing of other thin thread part is allowed to, and with this, thereby aforementioned seal cover rotates the front opening of aforementioned sealing drum portion is opened.
9. retractable writing implement as claimed in claim 8, it is characterized in that, the advance front portion of thin thread part of restriction object of becoming among the aforementioned many thin thread parts is provided with bulge, and, on the peripheral part of aforementioned sealing drum portion, be provided with and when aforementioned script is advanced, aforementioned bulge blocked the card that ends and end end difference.
10. retractable writing implement as claimed in claim 8 is characterized in that, aforementioned seal cover and aforementioned thin thread part form.
11. retractable writing implement as claimed in claim 8, it is characterized in that, between aforementioned sealing drum portion and aforementioned guide cylinder, clamp flexible parts, when aforementioned script is positioned on the going-back position, under the effect of aforementioned elastomeric element, keep aforementioned many thin thread parts with aforementioned seal cover by the state that is pressed in the aforementioned sealing drum portion.
12. retractable writing implement as claimed in claim 11, it is characterized in that, aforementioned many thin thread parts are arranged between aforementioned guide cylinder and the aforementioned seal cover, make that when aforementioned script is positioned on the going-back position direction that acts on the power on the aforementioned seal cover from aforementioned many thin thread parts is axial consistent with aforementioned beam barrel.
13. retractable writing implement as claimed in claim 8 is characterized in that, aforementioned many thin thread parts dispose along the inner peripheral surface of aforementioned beam barrel, and, on the surface of aforementioned many thin thread parts, be coated with lubricant.
14. retractable writing implement as claimed in claim 8 is characterized in that, aforementioned thin thread part is provided with a plurality of reducing diameter parts, and aforementioned thin thread part can bend at these reducing diameter part places.
15. retractable writing implement as claimed in claim 8 is characterized in that, the leading section of aforementioned many thin thread parts uniformly-spaced disposes along the peripheral part of aforementioned seal cover.
16. retractable writing implement as claimed in claim 8 is characterized in that, has clamped soft parts on the opposed position of aforementioned seal cover and aforementioned sealing drum portion.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002333456 | 2002-11-18 | ||
| JP333456/2002 | 2002-11-18 | ||
| JP151847/2003 | 2003-05-29 | ||
| JP302671/2003 | 2003-08-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1711175A true CN1711175A (en) | 2005-12-21 |
| CN100415542C CN100415542C (en) | 2008-09-03 |
Family
ID=35707188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801034819A Expired - Fee Related CN100415542C (en) | 2002-11-18 | 2003-11-12 | Retractable writing material |
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| Country | Link |
|---|---|
| CN (1) | CN100415542C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101980876A (en) * | 2008-03-28 | 2011-02-23 | 桑福德有限合伙人公司 | Valve door having a force directing component and retractable instruments comprising same |
| CN101541558B (en) * | 2006-11-30 | 2012-07-04 | 思笔乐国际有限公司 | Pen |
| CN101646569B (en) * | 2007-01-18 | 2013-06-05 | 桑福德有限合伙人公司 | Valve, manufacture method of valve and retractable marker pen incorporating the valve |
| CN103754006A (en) * | 2013-10-17 | 2014-04-30 | 骆威 | Automatic closing mark pen |
| CN104002590A (en) * | 2014-03-27 | 2014-08-27 | 林军 | Light emitting ball-point pen |
| CN105691045A (en) * | 2016-04-27 | 2016-06-22 | 青岛点石文具用品有限公司 | Pressing type pen |
| CN105789813A (en) * | 2016-03-23 | 2016-07-20 | 广东丰光科技有限公司 | Expansion antenna device |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3771664D1 (en) * | 1986-11-07 | 1991-08-29 | Ancos Co Ltd | WRITING DEVICE WITH DEVICE TO PREVENT DRYING OUT. |
| JPH0653438B2 (en) * | 1987-04-14 | 1994-07-20 | アンコス株式会社 | A writing press writing instrument with a dryness prevention mechanism |
| JPH0798437B2 (en) * | 1988-05-06 | 1995-10-25 | アンコス株式会社 | Capless writing instrument with dryness prevention mechanism |
| JPH07329486A (en) * | 1994-06-14 | 1995-12-19 | Tokai Corp | Knock type writing instrument |
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2003
- 2003-11-12 CN CNB2003801034819A patent/CN100415542C/en not_active Expired - Fee Related
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| CN101541558B (en) * | 2006-11-30 | 2012-07-04 | 思笔乐国际有限公司 | Pen |
| CN101646569B (en) * | 2007-01-18 | 2013-06-05 | 桑福德有限合伙人公司 | Valve, manufacture method of valve and retractable marker pen incorporating the valve |
| CN101980876A (en) * | 2008-03-28 | 2011-02-23 | 桑福德有限合伙人公司 | Valve door having a force directing component and retractable instruments comprising same |
| CN103754006A (en) * | 2013-10-17 | 2014-04-30 | 骆威 | Automatic closing mark pen |
| CN104002590A (en) * | 2014-03-27 | 2014-08-27 | 林军 | Light emitting ball-point pen |
| CN105789813A (en) * | 2016-03-23 | 2016-07-20 | 广东丰光科技有限公司 | Expansion antenna device |
| CN105691045A (en) * | 2016-04-27 | 2016-06-22 | 青岛点石文具用品有限公司 | Pressing type pen |
| CN108621640A (en) * | 2017-07-11 | 2018-10-09 | 千光柱 | Has the formula writing implement that haunts of anti-drying device |
| CN110936755A (en) * | 2019-12-22 | 2020-03-31 | 杭州简弈科技有限公司 | Detachable sliding pen |
| CN110936755B (en) * | 2019-12-22 | 2020-10-09 | 杭州简弈科技有限公司 | Detachable sliding pen |
| US10960705B1 (en) | 2019-12-22 | 2021-03-30 | Hangzhou Jianyi Technology Co., Ltd. | Detachable and retractable pen |
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| CN100415542C (en) | 2008-09-03 |
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