JP5763896B2 - Liquid supply tool and liquid supply body - Google Patents

Liquid supply tool and liquid supply body Download PDF

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JP5763896B2
JP5763896B2 JP2010157227A JP2010157227A JP5763896B2 JP 5763896 B2 JP5763896 B2 JP 5763896B2 JP 2010157227 A JP2010157227 A JP 2010157227A JP 2010157227 A JP2010157227 A JP 2010157227A JP 5763896 B2 JP5763896 B2 JP 5763896B2
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liquid
tip
liquid supply
core
cylinder
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JP2012016931A (en
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陰山　秀平
秀平 陰山
章 吉種
章 吉種
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Aubex Corp
Kotobuki and Co Ltd
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Kotobuki and Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/003—Capillary nibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/028—Movable closure or gate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/03—Ink reservoirs; Ink cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/04—Arrangements for feeding ink to writing-points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/04—Arrangements for feeding ink to writing-points
    • B43K8/06—Wick feed from within reservoir to writing-points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/24—Pens with writing-points other than nibs or balls characterised by the means for retracting writing-points

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  • Pens And Brushes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Description

本発明は、液体を供給することができる液体供給具及び液体供給具に用いられる液体供給体に関する。   The present invention relates to a liquid supply tool capable of supplying a liquid and a liquid supply body used for the liquid supply tool.

従来、この種の液体供給具として、特許文献１に記載された筆記具が知られている。これによれば、揮発性インキが充填されたレフィールが軸筒内に設けられており、レフィールの先端にはインキが誘導される液体供給体である先端チップが取り付けられている。先端チップは、その外周が、レフィールから一体的に延びるパイプ状部材によって包囲されている。そして、レフィールと先端チップとは一体的に軸筒内で移動可能となっており、先端チップの先端部が軸筒の先端に設けられた先端開口から突出して使用可能となっている。   Conventionally, the writing implement described in patent document 1 is known as this kind of liquid supply implement. According to this, a refill filled with volatile ink is provided in the shaft tube, and a tip of a tip that is a liquid supply body for guiding the ink is attached to the tip of the refill. The outer periphery of the tip is surrounded by a pipe-like member that extends integrally from the refill. The refill and the tip end can be moved integrally within the shaft cylinder, and the tip end portion of the tip tip can be used by protruding from a tip opening provided at the tip end of the shaft cylinder.

特許第４２７５５７７号公報Japanese Patent No. 4275577

このような液体供給具においては、レフィール内からの液体を円滑に供給するために、レフィール内とレフィール外との空気の流通を可能にする空気孔が必要である。   In such a liquid supply tool, in order to smoothly supply the liquid from the inside of the refill, an air hole that enables air to flow between the inside of the refill and the outside of the refill is necessary.

そこで、特許文献１に示されるような従来の先端チップにおいては、パイプ状部材と先端チップとの間の隙間によって空気孔が形成されている。   Therefore, in the conventional tip as shown in Patent Document 1, an air hole is formed by a gap between the pipe-shaped member and the tip.

しかしながら、かかる液体供給具では、パイプ状部材と先端チップとの間の隙間を正確に確保することが困難である、という問題がある。また、パイプ状部材を必要とするために、部品点数が増加してその組立及び製造に手間がかかるという問題がある。   However, such a liquid supply tool has a problem that it is difficult to accurately ensure a gap between the pipe-shaped member and the tip. Moreover, since a pipe-shaped member is required, there is a problem that the number of parts increases and it takes time to assemble and manufacture.

パイプ状部材と先端チップとの間の隙間を正確に確保するためにスペーサ部材をパイプ状部材と先端チップとの間に設けて、パイプ状部材と先端チップとを均一の隙間を隔てて同心上に配置することも考えられるが、スペーサ部材が別途必要となるために、さらに部品点数が増加して、その組立及び製造に手間がかかるという問題がある。   In order to ensure a gap between the pipe-shaped member and the tip, a spacer member is provided between the pipe-shaped member and the tip, and the pipe-shaped member and the tip are concentrically spaced apart from each other by a uniform gap. However, since a spacer member is separately required, the number of parts is further increased, and there is a problem that assembling and manufacturing are troublesome.

本発明はかかる課題に鑑みなされたもので、確実に空気孔を形成することができて、液体を円滑に供給することができる液体供給具及びこの液体供給具に用いられる液体供給体を提供することをその目的とする。   The present invention has been made in view of such a problem, and provides a liquid supply device that can reliably form air holes and can smoothly supply a liquid, and a liquid supply body used in the liquid supply device. That is the purpose.

上記目的を達成するために、本発明は、先端に先端開口を有して軸方向に延びる外筒と、
前記外筒内に軸方向へ移動自在に配置され、且つ、液体が含浸された中綿を収容する内部空間を有する液体保持部と、
前記液体を先端に向かって誘導可能な中芯と該中芯の周囲に設けられた外皮体とを有し、前記中芯の後端を前記中綿内に突き刺すと共に前記外皮体の後端部を前記液体保持部の先端部内に嵌挿させることにより前記液体保持部の前記先端部から前記外筒の前記先端開口に向かって突出するように前記液体保持部に連結された液体供給体と、
前記中芯の先端を前記外筒の前記先端開口を介して出没させるべく前記液体保持部と前記液体供給体とを前記外筒の軸方向に沿って移動させる繰出し機構と、を有し、
前記外皮体が、前記中芯の先端及び後端を除く部位の外周を包囲するように前記中芯と一体に形成されると共に、
前記外皮体の後端に設けられたテーパー面と、
前記外皮体の先端から後端に向かって前記外皮体の筒壁内を軸方向へ貫通して延びて前記液体保持部の前記内部空間に連通すると共に後端が前記外皮体の前記テーパー面において開口した少なくとも一つの空気孔と、を備えていることを特徴とする。 To achieve the above object, the present onset Ming, an outer cylinder extending in the axial direction with a distal opening at the distal end,
A liquid holding portion that is disposed in the outer cylinder so as to be movable in the axial direction, and has an internal space for accommodating a cotton pad impregnated with the liquid;
A central core capable of guiding the liquid toward the tip; and a skin body provided around the core; a rear end of the core is pierced into the batting and a rear end portion of the skin body is provided. A liquid supply body connected to the liquid holding portion so as to protrude from the tip portion of the liquid holding portion toward the tip opening of the outer cylinder by being inserted into the tip portion of the liquid holding portion ;
A feeding mechanism that moves the liquid holding portion and the liquid supply body along the axial direction of the outer cylinder so as to cause the tip of the core to protrude and retract through the tip opening of the outer cylinder;
The outer body is formed integrally with the core so as to surround the outer periphery of the portion excluding the tip and rear ends of the core,
A tapered surface provided at the rear end of the outer skin,
From the front end of the outer skin body to the rear end, it extends through the inside of the cylindrical wall of the outer skin body in the axial direction, communicates with the internal space of the liquid holding portion, and the rear end is at the tapered surface of the outer skin body. And at least one open air hole .

さらに、前記中芯の前記先端が前記外筒の前記先端開口より前記外筒内に引っ込んだ位置において、前記液体供給体の先端部が受け入れられる密閉空間が前記外筒内に区画形成されていることを特徴とする。 Furthermore, partitions formed in said tip located elaborate Tsu pull on the outer tube from the distal end opening of the outer cylinder prior SL in the core, enclosed space tip of the liquid supply member is received within the outer tube It has been characterized by Rukoto.

さらに、前記密閉空間が、前記外筒の前記先端開口近傍の部位内に移動自在に配置されて前記中芯の前記先端が前記引っ込み位置に在る時に前記液体供給体の前記先端部を受け入れる内筒と、該内筒の先端に設けられて前記内筒の先端開口を開閉することの可能な蓋とにより区画形成され、前記内筒の内周面と前記外皮体の外周面との間にパッキンが密着配置されていることを特徴とする。 Further, the sealed space, among which the tip of the wick is movably disposed within the site of the distal end opening near the outer cylinder receiving said distal end portion of the liquid supply member when in the retracted position a cylindrical, provided at the tip of the inner cylinder is partitioned and formed by a closable lid for opening and closing the tip opening of the inner cylinder, between the outer peripheral surface of the outer cover member and the inner peripheral surface of the inner cylinder packing is characterized that you have been disposed in close contact.

また本発明は、先端に先端開口を有して軸方向に延びる外筒と、
前記外筒内に軸方向に沿って移動自在に配置され、且つ、液体が含浸された中綿を収容する内部空間を有する液体保持部と、
前記液体を先端に向かって誘導可能な中芯と該中芯の周囲に設けられた外皮体とを有し、前記中芯の後端を前記中綿内に突き刺すと共に前記外皮体の後端部を前記液体保持部の先端部内に嵌挿させることにより前記液体保持部の前記先端部から前記外筒の前記先端開口に向かって突出するように前記液体保持部に連結される液体供給体と、
前記中芯の先端を前記外筒の前記先端開口を介して出没させるべく前記液体保持部と前記液体供給体とを前記外筒の軸方向に沿って移動させる繰出し機構と、を有する液体供給具において用いられる前記液体供給体であって、
前記外皮体が、前記中芯の先端及び後端を除く部位の外周を包囲するように前記中芯と一体に形成されると共に、
前記外皮体の後端に設けられたテーパー面と、
前記外皮体の先端から後端に向かって前記外皮体の筒壁内を軸方向へ貫通して延びると共に後端が前記外皮体の前記テーパー面において開口し、前記液体供給体が前記液体保持部に連結された時に前記液体保持部の前記内部空間に連通する少なくとも一つの空気孔と、を備えていることを特徴とする。 The present invention also includes an outer cylinder having a tip opening at the tip and extending in the axial direction;
A liquid holding portion which is disposed in the outer cylinder so as to be movable along the axial direction, and has an internal space for accommodating a cotton pad impregnated with the liquid;
A central core capable of guiding the liquid toward the tip; and a skin body provided around the core; a rear end of the core is pierced into the batting and a rear end portion of the skin body is provided. A liquid supply body coupled to the liquid holding portion so as to protrude from the tip portion of the liquid holding portion toward the tip opening of the outer cylinder by being inserted into the tip portion of the liquid holding portion;
A liquid supply tool having a feeding mechanism for moving the liquid holding portion and the liquid supply body along the axial direction of the outer cylinder so as to cause the front end of the core to protrude and retract through the front end opening of the outer cylinder. a the liquid supply material used in,
The outer body is formed integrally with the core so as to surround the outer periphery of the portion excluding the tip and rear ends of the core,
A tapered surface provided at the rear end of the outer skin,
Extending from the front end of the outer skin body to the rear end in an axial direction through the cylindrical wall of the outer skin body, the rear end opens at the tapered surface of the outer skin body, and the liquid supply body is the liquid holding portion. And at least one air hole communicating with the internal space of the liquid holding portion when connected to the liquid holding portion .

本発明によれば、液体供給体の外皮体の筒壁内に、中芯の先端側から後端側まで延びる空気孔が形成されているために、空気流通路を確保することができる。このため、液体の円滑な供給を図ることができる。   According to the present invention, since the air hole extending from the front end side to the rear end side of the core is formed in the cylindrical wall of the outer skin of the liquid supply body, an air flow passage can be secured. For this reason, smooth supply of the liquid can be achieved.

また、中芯と外皮体とが一体に成形されているために、部品点数が少なくてすみ、組立性が向上して、製造コストを低減することができる。   Further, since the core and the outer skin are integrally formed, the number of parts can be reduced, the assemblability can be improved, and the manufacturing cost can be reduced.

本発明の実施形態による液体供給具を表す縦断面図であり、液体保持部及び液体供給体が後退位置にある状態を示す。It is a longitudinal cross-sectional view showing the liquid supply tool by embodiment of this invention, and shows the state which has a liquid holding | maintenance part and a liquid supply body in a retreat position. 本発明の実施形態による液体供給具を表す縦断面図であり、液体保持部及び液体供給体が前進位置にある状態を示す。It is a longitudinal cross-sectional view showing the liquid supply tool by embodiment of this invention, and shows the state which has a liquid holding | maintenance part and a liquid supply body in an advance position. 液体供給体の斜視図である。It is a perspective view of a liquid supply body. 液体供給体の（ａ）側面図、（ｂ）縦断面図、（ｃ）正面図である。It is (a) side view, (b) longitudinal cross-sectional view, and (c) front view of a liquid supply body. （ａ）は係止レバーの平面図、（ｂ）は部分拡大図である。(A) is a top view of a latching lever, (b) is the elements on larger scale. 図５（ａ）の６−６線に沿って見た図である。It is the figure seen along 6-6 line of Fig.5 (a). 液体供給体が後退位置にある状態を示す拡大要部断面図である。It is an expanded principal part sectional view which shows the state which has a liquid supply body in a retreat position. 液体供給体が前進位置にある状態を示す拡大要部断面図である。It is an expanded principal part sectional view which shows the state which has a liquid supply body in an advance position.

以下、図面を用いて本発明の実施の形態を説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１及び図２は、本発明の実施形態による液体供給具を表す全体図である。図示したように、この液体供給具１０は、外筒１２を有しており、外筒１２はさらに、主筒１４と、主筒１４の先端に結合される継手１６と、継手１６の先端に結合される先具１８とから構成される。先具１８の先端部には、先端開口１８ａが形成される。   1 and 2 are general views showing a liquid supply device according to an embodiment of the present invention. As shown in the figure, the liquid supply tool 10 has an outer cylinder 12, and the outer cylinder 12 further includes a main cylinder 14, a joint 16 coupled to the tip of the main cylinder 14, and a tip of the joint 16. It is comprised from the tip tool 18 couple | bonded. A tip opening 18 a is formed at the tip of the tip tool 18.

主筒１４内には、液体保持部２０が配設されており、液体保持部２０は、中筒２２と、中筒２２の後端に結合される後筒２４とから構成され、中筒２２と後筒２４とによって形成される内部空間が液体を保持するための空間となり、該内部空間内には、液体が含侵された中綿２６が配設される。中綿２６は、合成繊維と、該合成繊維を包む合成樹脂フィルムとから構成される。但し、中綿２６を用いずに液体を内部空間内に直接収容するようにしてもよい。後筒２４の一部は、外筒１２よりも後方に突出している。   A liquid holding unit 20 is disposed in the main cylinder 14, and the liquid holding unit 20 includes a middle cylinder 22 and a rear cylinder 24 coupled to the rear end of the middle cylinder 22. The inner space formed by the rear cylinder 24 becomes a space for holding the liquid, and the inner cotton 26 impregnated with the liquid is disposed in the inner space. The batting 26 is composed of a synthetic fiber and a synthetic resin film that wraps the synthetic fiber. However, the liquid may be directly stored in the internal space without using the batting 26. A part of the rear cylinder 24 protrudes rearward from the outer cylinder 12.

液体保持部２０の先端からは、液体保持部２０よりも小径で先端開口１８ａの方に向かって突出する液体供給体３０が設けられる。液体供給体３０は、図３〜４に示すように、中芯３２と、中芯３２の外周囲に設けられた外皮体３４とから構成される。中芯３２は、毛細管力により中綿２６から液体を吸引してその内部に液体を通すことができるように毛細管現象を実現する構造になっている。また、外皮体３４は、液体を通すことができない液体不透過性構造になっている。中芯３２及び外皮体３４は同一の材料または別の材料から構成することができ、具体的には、ポリプロピレン樹脂、ポリアセタール樹脂等から構成することができる。   From the front end of the liquid holding unit 20, a liquid supply body 30 that is smaller in diameter than the liquid holding unit 20 and protrudes toward the front end opening 18a is provided. As shown in FIGS. 3 to 4, the liquid supply body 30 includes a middle core 32 and a skin body 34 provided on the outer periphery of the middle core 32. The middle core 32 has a structure that realizes a capillary phenomenon so that a liquid can be sucked from the inner cotton 26 by a capillary force and allowed to pass through the inside. In addition, the outer skin 34 has a liquid-impermeable structure that does not allow liquid to pass through. The core 32 and the outer skin 34 can be made of the same material or different materials, and specifically, can be made of polypropylene resin, polyacetal resin, or the like.

これら別構造からなる中芯３２と外皮体３４とは、押出成形等により一体に成形されており、両者はその境界において隙間のないように完全に密着している。中芯３２と外皮体３４は、例えば二色押出成形等により同時に成形してもよく、または、別々に成形したものを一体にしてもよく、または順番に成形していくようにしてもよい。外皮体３４は、中芯３２の先端と後端を残したそれ以外の外周囲を包囲するようになっている。中芯３２と外皮体３４とは互いに異なる色の材料から構成することも可能であり、これによって、液体供給体３０としての意匠性を向上させるようにしてもよい。   The core 32 and the outer skin 34 made of these different structures are integrally formed by extrusion molding or the like, and they are completely in contact with each other so that there is no gap at the boundary. The core 32 and the outer skin 34 may be simultaneously molded by, for example, two-color extrusion molding or the like, or may be integrally molded, or may be molded sequentially. The outer skin 34 surrounds the other outer periphery except for the front end and the rear end of the center core 32. The core 32 and the outer skin 34 can be made of materials of different colors, and thereby, the design as the liquid supply body 30 may be improved.

中芯３２と外皮体３４とが一体に成形される際に、外皮体３４の筒壁内には、軸方向に貫通する少なくとも１つの空気孔３４ａが形成される。空気孔３４ａは、図示したように、周方向に離間して複数個（図の例では４個）設けることが可能である。複数個設ける場合には、軸中心に対して対称性を持って設けることができる。外皮体３４の前端と後端はテーパー面となっており、空気孔３４ａの前端と後端は、このテーパー面からそれぞれ開口している。   When the core 32 and the outer skin 34 are formed integrally, at least one air hole 34 a penetrating in the axial direction is formed in the cylindrical wall of the outer skin 34. As shown in the figure, a plurality of air holes 34a (four in the illustrated example) can be provided apart from each other in the circumferential direction. When providing a plurality, they can be provided with symmetry with respect to the axis center. The front end and the rear end of the outer skin 34 are tapered surfaces, and the front end and the rear end of the air hole 34a are opened from the tapered surface, respectively.

外皮体３４の後端が中筒２２の先端部に圧入されることで、液体保持部２０と液体供給体３０とが一体的に結合される。そして、中芯３２の後端は中綿２６内に埋入される一方で、外皮体３４の空気孔３４ａの後端は、中綿２６に埋入されない位置で、液体保持部２０内で開口される。   The liquid holding unit 20 and the liquid supply body 30 are integrally coupled by press-fitting the rear end of the outer skin 34 into the front end of the middle cylinder 22. The rear end of the inner core 32 is embedded in the inner cotton 26, while the rear end of the air hole 34 a of the outer skin 34 is opened in the liquid holding unit 20 at a position where it is not embedded in the inner cotton 26. .

外筒１２内には、一体化された液体保持部２０と液体供給体３０とを軸方向に移動させる繰出し機構４０が設けられる。繰出し機構４０は、公知の機構を利用することができ、この例では、回転繰出し機構となっている。具体的には、繰出し機構４０は、外筒１２の主筒１４の内周面に形成されたカム本体４２と、液体保持部２０の中筒２２の外側に回転可能に取り付けられた回転カム４４と、主筒１４の内部に形成された段部１４ａと中筒２２の段部２２ａとの間に介挿されたノックスプリング４６と、から構成される。   A feeding mechanism 40 that moves the integrated liquid holding unit 20 and the liquid supply body 30 in the axial direction is provided in the outer cylinder 12. As the feeding mechanism 40, a known mechanism can be used. In this example, a rotating feeding mechanism is used. Specifically, the feeding mechanism 40 includes a cam body 42 formed on the inner peripheral surface of the main cylinder 14 of the outer cylinder 12 and a rotating cam 44 rotatably attached to the outer side of the middle cylinder 22 of the liquid holding unit 20. And a knock spring 46 interposed between the step portion 14 a formed inside the main tube 14 and the step portion 22 a of the middle tube 22.

カム本体４２は、先端に鋸歯４２ａが形成されており、連続する２つの鋸歯４２ａと連続する２つの鋸歯４２ａとの間に後方へと延びる溝４２ｂが形成されている。回転カム４４は、該溝４２ｂ内を摺動可能で且つ鋸歯４２ａに係止可能な突起４４ａを有しており、図１に示すように、回転カム４４の突起４４ａが溝４２ｂ内にあるときには、液体保持部２０及び液体供給体３０は後退位置にあり、中芯３２の先端は先端開口１８ａよりも引き込んだ位置にある。また、回転カム４４の突起４４ａが２つの連続する鋸歯４２ａの間に係止した位置にあるときには、図２に示すように、液体保持部２０及び液体供給体３０は前進位置にあり、中芯３２の先端は先端開口１８ａよりも突出した位置になる。   The cam body 42 has a saw blade 42a formed at the tip, and a groove 42b extending rearward is formed between the two continuous saw blades 42a and the two continuous saw blades 42a. The rotating cam 44 has a projection 44a that can slide in the groove 42b and can be locked to the sawtooth 42a. When the projection 44a of the rotating cam 44 is in the groove 42b as shown in FIG. The liquid holding unit 20 and the liquid supply body 30 are in the retracted position, and the distal end of the center core 32 is in a position retracted from the distal end opening 18a. When the protrusion 44a of the rotating cam 44 is in a position locked between two continuous saw teeth 42a, as shown in FIG. 2, the liquid holding unit 20 and the liquid supply body 30 are in the advanced position, and the center core The tip of 32 is in a position protruding from the tip opening 18a.

この前進位置及び後退位置の切替は、外筒１２よりも突出した後筒２４をノックすることで行われる。後退位置にある状態で、後筒２４をノックすると、中筒２２と共に回転カム４４が前進し、回転カム４４の突起４４ａが溝４２ｂから脱出すると、回転カム４４が回転する。ノック力を解除することで、ノックスプリング４６のスプリング力によって後方へと中筒２２及び回転カム４４が戻るため、突起４４ａが２つの鋸歯４２ａの間に係止して前進位置に保持される。また、前進位置にある状態で、後筒２４をノックすると、中筒２２と共に回転カム４４が前進し、回転カム４４が回転する。ノック力を解除することで、ノックスプリング４６のスプリング力によって後方へと中筒２２及び回転カム４４が戻るため、突起４４ａが溝４２ｂ内に進入して後退位置となる。   Switching between the forward position and the reverse position is performed by knocking the rear cylinder 24 that protrudes from the outer cylinder 12. When the rear cylinder 24 is knocked in the retracted position, the rotating cam 44 moves forward together with the middle cylinder 22, and when the protrusion 44a of the rotating cam 44 escapes from the groove 42b, the rotating cam 44 rotates. By releasing the knocking force, the middle cylinder 22 and the rotating cam 44 are returned backward by the spring force of the knocking spring 46, so that the projection 44a is locked between the two saw teeth 42a and held at the forward movement position. When the rear cylinder 24 is knocked in the forward position, the rotating cam 44 moves forward together with the middle cylinder 22 and the rotating cam 44 rotates. By releasing the knocking force, the middle cylinder 22 and the rotating cam 44 are returned backward by the spring force of the knocking spring 46, so that the protrusion 44a enters the groove 42b and becomes the retracted position.

さらに、外筒１２内には、液体保持部２０及び液体供給体３０が後退位置にあって、中芯３２の先端が先端開口１８ａよりも引き込んだ位置にあるときに、中芯３２の先端に密閉空間を形成するための内筒５０が設けられる。内筒５０の内周面には、弾性材よりなるパッキン５２が密着されている。内筒５０には、蓋５４の基部が軸着されており、蓋５４は、内筒５０の先端開口を開閉自在となっている。   Further, in the outer cylinder 12, when the liquid holding unit 20 and the liquid supply body 30 are in the retracted position and the tip of the core 32 is in a position retracted from the tip opening 18 a, An inner cylinder 50 for forming a sealed space is provided. A packing 52 made of an elastic material is in close contact with the inner peripheral surface of the inner cylinder 50. A base portion of a lid 54 is pivotally attached to the inner cylinder 50, and the lid 54 can freely open and close the front end opening of the inner cylinder 50.

蓋５４には、さらに係合部５４ａが延設されており、係合部５４ａは、継手１６と先具１８との間に形成された係合孔５６内に挿入されて、係合孔５６の前端面と後端面との間を移動可能となっている。   An engaging portion 54 a is further extended on the lid 54, and the engaging portion 54 a is inserted into an engaging hole 56 formed between the joint 16 and the tip tool 18. It is possible to move between the front end face and the rear end face.

内筒５０の外周面には、図７及び図８に示すように、その側面に周方向に１８０度離間して一対の軸方向に延びる摺動溝５０ｂと、各摺動溝５０ｂ内の後端に配置された係止突起５０ａとが形成されている（図ではそれぞれ片側のみ示す）。一方、図５及び図６に示すように、液体保持部２０の収容部２５である中筒２２からは内筒５０に向けて周方向に１８０度離間した一対の係止レバー６０が一体に延設されており、係止レバー６０は、内筒５０の摺動溝５０ｂを摺動可能となっている。また、係止レバー６０には、軸方向に延びる係止溝６０ａが形成されて、この係止溝６０ａに係止突起５０ａが摺動可能に嵌入されている。   As shown in FIGS. 7 and 8, the outer peripheral surface of the inner cylinder 50 is provided with a pair of axially extending sliding grooves 50b that are spaced apart from the side surfaces by 180 degrees in the circumferential direction, and the rear of each sliding groove 50b. A locking projection 50a is formed at the end (only one side is shown in the figure). On the other hand, as shown in FIGS. 5 and 6, a pair of locking levers 60 that are 180 degrees apart in the circumferential direction toward the inner cylinder 50 extends integrally from the middle cylinder 22 that is the accommodating section 25 of the liquid holding section 20. The locking lever 60 is slidable in the sliding groove 50 b of the inner cylinder 50. The locking lever 60 is formed with a locking groove 60a extending in the axial direction, and a locking projection 50a is slidably fitted into the locking groove 60a.

係止溝６０ａの前端には、係止突起５０ａを拘束する拘束部６０ｂが形成されており、この拘束部６０ｂは具体的には、係止溝６０ａの前端付近の一部の溝幅が狭くなることで構成される。よって、拘束部６０ｂ内に係止突起５０ａがあるときには、液体保持部２０と内筒５０とは一体に動作し、また、拘束部６０ｂによる拘束力を超えて内筒５０に抵抗が作用すると、係止突起５０ａは拘束部６０ｂを脱出して、係止溝６０ａを相対的に摺動することができるようになっている。   A restraining portion 60b that restrains the locking projection 50a is formed at the front end of the locking groove 60a. Specifically, the restraining portion 60b has a narrow groove width near the front end of the locking groove 60a. It is composed by becoming. Therefore, when there is the locking projection 50a in the restraining part 60b, the liquid holding part 20 and the inner cylinder 50 operate integrally, and when the resistance acts on the inner cylinder 50 beyond the restraining force of the restraining part 60b, The locking protrusion 50a can escape from the restraining portion 60b and can slide relative to the locking groove 60a.

以上のように構成される液体供給具１０において、その動作を説明する。   The operation of the liquid supply tool 10 configured as described above will be described.

図１に示すように、液体保持部２０及び液体供給体３０が後退位置にあるときには、蓋５４が内筒５０の前面開口の周囲にあるパッキン５２に密着して、内筒５０の前面開口を閉じており、また、外皮体３４の外周面が、内筒５０の内面に設けられたパッキン５２に弾接されており、よって、内筒５０と蓋５４とさらには液体供給体３０自身によって密閉空間が形成され、密閉空間内に中芯３２の先端が配される。こうして、液体供給体３０の中芯３２の乾燥、液体の揮発、蒸発を防止することができる。   As shown in FIG. 1, when the liquid holding unit 20 and the liquid supply body 30 are in the retracted position, the lid 54 is in close contact with the packing 52 around the front opening of the inner cylinder 50 so that the front opening of the inner cylinder 50 is opened. In addition, the outer peripheral surface of the outer skin 34 is elastically contacted with a packing 52 provided on the inner surface of the inner cylinder 50, so that the inner cylinder 50, the lid 54, and the liquid supply body 30 itself are hermetically sealed. A space is formed, and the tip of the core 32 is arranged in the sealed space. Thus, drying of the core 32 of the liquid supply body 30, volatilization and evaporation of the liquid can be prevented.

次に、この液体供給具１０を使用する際には、前述のように、液体保持部２０の後筒２４をノックすると、液体保持部２０及び液体供給体３０が共に前進する。このときに、係止レバー６０を介して液体保持部２０と共に内筒５０及び蓋５４が一緒に前進する。しかしながら、蓋５４の係合部５４ａが係合孔５６の前端面に当接すると、それ以上、内筒５０及び蓋５４が前進することができなくなる。そうすると、内筒５０の係止突起５０ａは係止レバー６０の係止溝６０ａの拘束部６０ｂから脱出するので、係止レバー６０が内筒５０の摺動溝５０ｂを摺動し、内筒５０に対して液体保持部２０が相対的に前進する。そして、蓋５４を押し開いて液体供給体３０が内筒５０内を通り抜けて、図２に示すように、その中芯３２が先端開口１８ａから突出した前進位置に保持される。よって、中芯３２を所望の供給個所に当てて適宜動かすことによって、液体保持部２０内の中綿２６からの液体を中芯３２を通過させて供給することができるようになる。   Next, when the liquid supply tool 10 is used, as described above, when the rear cylinder 24 of the liquid holding unit 20 is knocked, both the liquid holding unit 20 and the liquid supply body 30 move forward. At this time, the inner cylinder 50 and the lid 54 advance together with the liquid holding unit 20 via the locking lever 60. However, when the engaging portion 54a of the lid 54 comes into contact with the front end surface of the engaging hole 56, the inner cylinder 50 and the lid 54 can no longer move forward. As a result, the locking protrusion 50a of the inner cylinder 50 escapes from the restraining portion 60b of the locking groove 60a of the locking lever 60, so that the locking lever 60 slides on the sliding groove 50b of the inner cylinder 50, In contrast, the liquid holding unit 20 advances relatively. Then, the lid 54 is pushed open, the liquid supply body 30 passes through the inner cylinder 50, and as shown in FIG. 2, the inner core 32 is held at the advanced position protruding from the tip opening 18a. Therefore, the liquid from the batting 26 in the liquid holding part 20 can be supplied through the core 32 by appropriately moving the core 32 against a desired supply location.

このときに、外皮体３４に形成された空気孔３４ａによって、外部空間と液体保持部２０内の空間が連通するため、液体保持部２０からの液体の供給を円滑に行うことができる。   At this time, since the external space communicates with the space in the liquid holding unit 20 by the air holes 34a formed in the outer skin 34, the liquid supply from the liquid holding unit 20 can be smoothly performed.

また、使用が終了して、液体保持部２０を後退位置に戻すために液体保持部２０の後筒２４を再びノックすると、前述のようにノックスプリング４６のスプリング力によって液体保持部２０及び液体供給体３０が一緒に後退し、係止レバー６０が摺動溝５０ｂを摺動する。途中まで液体保持部２０が後退すると、内筒５０の係止突起５０ａは、相対的に係止レバー６０の係止溝６０ａの前方へと移動して、拘束部６０ｂ内に再び拘束されるため、内筒５０及びパッキン５２も共に後退を開始する。一方、蓋５４も後退しようとするものの、係合部５４ａは係合孔５６の後端面と協働して、回動されながら後退することとなる。こうして、蓋５４は、内筒５０の前面開口を閉じて、再び図１の状態に戻る。   Further, when the use is finished and the rear cylinder 24 of the liquid holding unit 20 is knocked again to return the liquid holding unit 20 to the retracted position, the liquid holding unit 20 and the liquid supply are supplied by the spring force of the knock spring 46 as described above. The body 30 moves backward together, and the locking lever 60 slides in the sliding groove 50b. When the liquid holding part 20 is retracted halfway, the locking projection 50a of the inner cylinder 50 moves relatively forward in front of the locking groove 60a of the locking lever 60 and is again restrained in the restraining part 60b. Both the inner cylinder 50 and the packing 52 start to retract. On the other hand, although the lid 54 also tries to retreat, the engaging portion 54 a retreats while being rotated in cooperation with the rear end surface of the engaging hole 56. Thus, the lid 54 closes the front opening of the inner cylinder 50 and returns to the state shown in FIG.

上記実施形態においては、液体供給体３０の中芯３２と外皮体３４とが一体に成形されるために、部品点数が少なくてすみ、組立性、取扱性が向上して、製造コストを低減することができる。   In the above embodiment, since the core 32 and the outer skin 34 of the liquid supply body 30 are integrally formed, the number of parts can be reduced, the assembling property and the handling property are improved, and the manufacturing cost is reduced. be able to.

尚、以上の液体供給具１０及び液体供給体３０は、筆記具用、化粧用として使用することができる。   In addition, the above liquid supply tool 10 and the liquid supply body 30 can be used for writing instruments and cosmetics.

１０ 液体供給具
１２ 外筒
１８ａ 先端開口
２０ 液体保持部
３０ 液体供給体
３２ 中芯
３４ 外皮体
３４ａ 空気孔
５０ 内筒
５４ 蓋 DESCRIPTION OF SYMBOLS 10 Liquid supply tool 12 Outer cylinder 18a Tip opening 20 Liquid holding part 30 Liquid supply body 32 Center 34 Outer body 34a Air hole 50 Inner cylinder 54 Lid

Claims (4)

先端に先端開口を有して軸方向に延びる外筒と、
前記外筒内に軸方向へ移動自在に配置され、且つ、液体が含浸された中綿を収容する内部空間を有する液体保持部と、
毛細管力により内部に前記液体を通す構造となっており、前記液体を先端に向かって誘導可能な中芯と、前記液体を通さない構造となっており、前記中芯の周囲に設けられた外皮体とを有し、前記中芯の後端を前記中綿内に突き刺すと共に前記外皮体の後端部を前記液体保持部の先端部内に嵌挿させることにより前記液体保持部の前記先端部から前記外筒の前記先端開口に向かって突出するように前記液体保持部に連結された液体供給体と、
前記中芯の先端を前記外筒の前記先端開口を介して出没させるべく前記液体保持部と前記液体供給体とを前記外筒の軸方向に沿って移動させる繰出し機構と、を有し、
前記外皮体が、前記中芯の先端及び後端を除く部位の外周を包囲するように前記中芯と一体に形成されると共に、
前記外皮体の後端に設けられたテーパー面と、
前記外皮体の先端から後端に向かって前記外皮体の筒壁内を軸方向へ貫通して延びて前記液体保持部の前記内部空間に連通すると共に前記中綿に埋入されない位置で後端が前記外皮体の前記テーパー面において開口した少なくとも一つの空気孔と、を備えていることを特徴とする液体供給具。 An outer cylinder having a tip opening at the tip and extending in the axial direction;
A liquid holding portion that is disposed in the outer cylinder so as to be movable in the axial direction, and has an internal space for accommodating a cotton pad impregnated with the liquid;
It has a structure that allows the liquid to pass therethrough by capillary force, a core that can guide the liquid toward the tip, and a structure that does not allow the liquid to pass through, and a skin provided around the core A body, and the rear end of the inner core is pierced into the batting and the rear end of the outer skin is fitted into the front end of the liquid holding unit from the front end of the liquid holding unit. A liquid supply body connected to the liquid holding portion so as to protrude toward the tip opening of the outer cylinder;
A feeding mechanism that moves the liquid holding portion and the liquid supply body along the axial direction of the outer cylinder so as to cause the tip of the core to protrude and retract through the tip opening of the outer cylinder;
The outer body is formed integrally with the core so as to surround the outer periphery of the portion excluding the tip and rear ends of the core,
A tapered surface provided at the rear end of the outer skin,
The rear end extends from the front end of the outer skin body to the rear end in an axial direction through the cylindrical wall of the outer skin body and communicates with the internal space of the liquid holding portion and is not embedded in the batting. A liquid supply device comprising: at least one air hole opened in the tapered surface of the outer skin. 前記中芯の前記先端が前記外筒の前記先端開口より前記外筒内に引っ込んだ位置において、前記液体供給体の先端部が受け入れられる密閉空間が前記外筒内に区画形成されていることを特徴とする、請求項１に記載の液体供給具。   A sealed space in which the tip of the liquid supply body is received is defined in the outer cylinder at a position where the tip of the center core is retracted into the outer cylinder from the tip opening of the outer cylinder. The liquid supply device according to claim 1, wherein the liquid supply device is characterized. 前記密閉空間が、前記外筒の前記先端開口近傍の部位内に移動自在に配置されて前記中芯の前記先端が前記引っ込み位置に在る時に前記液体供給体の前記先端部を受け入れる内筒と、該内筒の先端に設けられて前記内筒の先端開口を開閉することの可能な蓋とにより区画形成され、前記内筒の内周面と前記外皮体の外周面との間にパッキンが密着配置されている
ことを特徴とする、請求項２に記載の液体供給具。 An inner cylinder in which the sealed space is movably disposed in a portion of the outer cylinder in the vicinity of the opening of the distal end and receives the distal end portion of the liquid supply body when the distal end of the core is in the retracted position; And a lid provided at the tip of the inner cylinder and capable of opening and closing the tip opening of the inner cylinder, and a packing is provided between the inner peripheral surface of the inner cylinder and the outer peripheral surface of the outer skin. The liquid supply tool according to claim 2, wherein the liquid supply tool is closely arranged. 先端に先端開口を有して軸方向に延びる外筒と、
前記外筒内に軸方向に沿って移動自在に配置され、且つ、液体が含浸された中綿を収容する内部空間を有する液体保持部と、
毛細管力により内部に前記液体を通す構造となっており、前記液体を先端に向かって誘導可能な中芯と、前記液体を通さない構造となっており、前記中芯の周囲に設けられた外皮体とを有し、前記中芯の後端を前記中綿内に突き刺すと共に前記外皮体の後端部を前記液体保持部の先端部内に嵌挿させることにより前記液体保持部の前記先端部から前記外筒の前記先端開口に向かって突出するように前記液体保持部に連結される液体供給体と、
前記中芯の先端を前記外筒の前記先端開口を介して出没させるべく前記液体保持部と前記液体供給体とを前記外筒の軸方向に沿って移動させる繰出し機構と、を有する液体供給具において用いられる前記液体供給体であって、
前記外皮体が、前記中芯の先端及び後端を除く部位の外周を包囲するように前記中芯と一体に形成されると共に、
前記外皮体の後端に設けられたテーパー面と、
前記外皮体の先端から後端に向かって前記外皮体の筒壁内を軸方向へ貫通して延びると共に前記中綿に埋入されない位置で後端が前記外皮体の前記テーパー面において開口し、前記液体供給体が前記液体保持部に連結された時に前記液体保持部の前記内部空間に連通する少なくとも一つの空気孔と、を備えていることを特徴とする液体供給体。 An outer cylinder having a tip opening at the tip and extending in the axial direction;
A liquid holding portion which is disposed in the outer cylinder so as to be movable along the axial direction, and has an internal space for accommodating a cotton pad impregnated with the liquid;
It has a structure that allows the liquid to pass therethrough by capillary force, a core that can guide the liquid toward the tip, and a structure that does not allow the liquid to pass through, and a skin provided around the core A body, and the rear end of the inner core is pierced into the batting and the rear end of the outer skin is fitted into the front end of the liquid holding unit from the front end of the liquid holding unit. A liquid supply body connected to the liquid holding portion so as to protrude toward the tip opening of the outer cylinder;
A liquid supply tool having a feeding mechanism for moving the liquid holding portion and the liquid supply body along the axial direction of the outer cylinder so as to cause the front end of the core to protrude and retract through the front end opening of the outer cylinder. Said liquid supply used in
The outer body is formed integrally with the core so as to surround the outer periphery of the portion excluding the tip and rear ends of the core,
A tapered surface provided at the rear end of the outer skin,
From the front end of the outer skin body to the rear end , it extends through the cylindrical wall of the outer skin body in the axial direction and opens at the tapered surface of the outer skin body at a position where it is not embedded in the batting, A liquid supply body comprising: at least one air hole communicating with the internal space of the liquid holding section when the liquid supply body is connected to the liquid holding section.
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