JP5887584B2 - Feeding container - Google Patents
Feeding container Download PDFInfo
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- JP5887584B2 JP5887584B2 JP2011253865A JP2011253865A JP5887584B2 JP 5887584 B2 JP5887584 B2 JP 5887584B2 JP 2011253865 A JP2011253865 A JP 2011253865A JP 2011253865 A JP2011253865 A JP 2011253865A JP 5887584 B2 JP5887584 B2 JP 5887584B2
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- pipe member
- cylinder
- container
- screwing
- coating material
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- 239000000463 material Substances 0.000 claims description 113
- 239000011248 coating agent Substances 0.000 claims description 94
- 238000000576 coating method Methods 0.000 claims description 94
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 description 36
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 6
- 229920006324 polyoxymethylene Polymers 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- -1 soft Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000037308 hair color Effects 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- FDSYTWVNUJTPMA-UHFFFAOYSA-N 2-[3,9-bis(carboxymethyl)-3,6,9,15-tetrazabicyclo[9.3.1]pentadeca-1(15),11,13-trien-6-yl]acetic acid Chemical compound C1N(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC2=CC=CC1=N2 FDSYTWVNUJTPMA-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241000195940 Bryophyta Species 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 239000003676 hair preparation Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000011929 mousse Nutrition 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000002884 skin cream Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Description
本発明は、塗布材を繰り出して使用する繰出容器に関する。 The present invention relates to a feeding container for feeding and using a coating material.
従来の繰出容器としては、例えば特許文献1に記載されているように、先端に吐出口を有する先筒と、先筒に対し前後方向に一定長移動可能に内挿されると共に内部に棒状体(塗布材)が装填されるパイプ部材と、を備えたものが知られている。このような繰出容器では、繰出機構で棒状体用移動体(移動部)を前進させることにより、先筒に対しパイプ部材が棒状体とともに前進し、当該パイプ部材が前進限に達した後、先筒及びパイプ部材に対し棒状体が前進し、その結果、棒状体が使用状態とされる。 As a conventional feeding container, for example, as described in Patent Document 1, a tip tube having a discharge port at the tip, and a rod-like body (inside of the tip tube, which is inserted so as to be movable in a predetermined length in the front-rear direction) A pipe member loaded with a coating material) is known. In such a feeding container, by moving the rod-shaped body moving body (moving portion) forward by the feeding mechanism, the pipe member moves forward together with the rod-shaped body with respect to the front tube, and after the pipe member reaches the forward limit, The rod-shaped body advances with respect to the cylinder and the pipe member, and as a result, the rod-shaped body is put into use.
ここで、上述した繰出容器では、一般的に、パイプ部材内に溶融状態の塗布材形成材料を充填して冷却固化することで、当該パイプ部材に塗布材が装填される。この塗布材を装填する際には、塗布材を適正に装填し易いように(例えば、装填された塗布材の形状や長さを適正化し易いように)、パイプ部材を先筒に対し前進限に位置させることが好ましい。よって、上述した繰出容器は、塗布材を装填する前、例えば繰出機構により移動部を前進させ、パイプ部材を先筒に対し前進させた状態とする場合がある。しかしこの場合、繰出容器の輸送時の振動やその他の衝撃等により、パイプ部材が意図せず後退してしまうおそれがある。 Here, in the above-described feeding container, generally, the pipe member is filled with a molten coating material forming material and cooled and solidified, whereby the coating material is loaded into the pipe member. When loading this coating material, the pipe member is moved forward with respect to the front tube so that the coating material can be loaded properly (for example, the shape and length of the loaded coating material can be easily optimized). It is preferable to be located at. Thus, the above-described feeding container may be in a state in which the moving member is advanced by the feeding mechanism, for example, and the pipe member is advanced with respect to the front tube before the coating material is loaded. However, in this case, the pipe member may be unintentionally retracted due to vibration during transportation of the feeding container or other impacts.
本発明は、上記実情に鑑みて成されたものであり、パイプ部材に塗布材を装填する前において、パイプ部材が先筒に対して後退するのを抑制可能な繰出容器を提供することを課題とする。 The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a feeding container capable of suppressing the pipe member from moving backward with respect to the front tube before the pipe member is loaded with the coating material. And
上記課題を解決するため、本発明に係る繰出容器は、容器内に繰出機構及び移動部を具備し、繰出機構で移動部を移動させて塗布材を前方へ繰り出す繰出容器であって、先端に吐出口を有する先筒と、先筒に対し前後方向に一定長摺動可能に内挿され、その内部に塗布材が装填されるパイプ部材と、容器内に設けられ、パイプ部材を所定付勢力で前方へ付勢する弾性部材と、を備えたこと、を特徴とする。 In order to solve the above problems, a feeding container according to the present invention is a feeding container that includes a feeding mechanism and a moving part in a container, moves the moving part by the feeding mechanism, and feeds the coating material forward. A front tube having a discharge port, a pipe member inserted into the front tube so as to be slidable for a predetermined length in the front-rear direction, and loaded with a coating material therein, and provided in the container, the pipe member has a predetermined biasing force. And an elastic member for urging forward.
この繰出容器では、先筒に対し前後方向に一定長摺動可能に内挿されたパイプ部材が、弾性部材により所定付勢力で前方へ付勢されている。よって、例えば振動やその他の衝撃等が加わりパイプ部材が後退しようとしても、この所定付勢力でもって当該後退を抑制することができる。すなわち、パイプ部材に塗布材を装填する前において、パイプ部材が先筒に対して後退するのを抑制可能となる。 In this feeding container, the pipe member inserted so as to be slidable by a predetermined length in the front-rear direction with respect to the front tube is urged forward by a predetermined urging force by the elastic member. Therefore, for example, even if vibration or other impacts are applied and the pipe member tries to retreat, the retreat can be suppressed with this predetermined urging force. That is, it is possible to suppress the pipe member from moving backward with respect to the front tube before the coating material is loaded on the pipe member.
また、所定付勢力で前方へ付勢されたパイプ部材は、塗布材の装填前においては、所定位置より後退不能とされていると共に、塗布材の装填後においては、移動部の前進及び後退に伴って先筒に対し進退可能とされていることが好ましい。これにより、塗布材の装填前にパイプ部材が後退するのを好適に抑制できるのに加え、塗布材の装填後には、パイプ部材を好適に進退させることが可能となる。 In addition, the pipe member urged forward by a predetermined urging force cannot be retracted from a predetermined position before the coating material is loaded, and the moving portion is moved forward and backward after the coating material is loaded. Accordingly, it is preferable that the front tube can be advanced and retracted. Accordingly, the pipe member can be preferably prevented from moving backward before the coating material is loaded, and the pipe member can be suitably advanced and retracted after the coating material is loaded.
また、移動部は、パイプ部材内を摺動するピストンと、外周面に雄螺子を有する移動体と、を含んで構成され、ピストン及び移動体は、軸線方向に一定量相対移動可能に係合され、塗布材の装填前において、ピストンは、パイプ部材及びピストン間の第1摺動抵抗力により、弾性部材でパイプ部材が前方へ付勢されることに伴って前方へ付勢されることが好ましい。この場合、塗布材の装填前において、パイプ部材が前方へ付勢されて前進したとき、当該前進に追従するようにピストンも一定量範囲内で確実に前進させることができる。よって、塗布材の装填前、パイプ部材の先筒に対する前進がピストンの存在で阻害される(パイプ部材の前進を停止させるようにピストンが作用してしまう)ことを抑制できる。 The moving part includes a piston that slides in the pipe member and a moving body having a male screw on the outer peripheral surface, and the piston and the moving body are engaged with each other so as to be relatively movable in the axial direction. Before loading the coating material, the piston may be urged forward by the first sliding resistance force between the pipe member and the piston as the pipe member is urged forward by the elastic member. preferable. In this case, before the application material is loaded, when the pipe member is urged forward and advanced, the piston can also be reliably advanced within a certain amount range so as to follow the advance. Therefore, before the coating material is loaded, it is possible to suppress the advancement of the pipe member relative to the front tube from being hindered by the presence of the piston (the piston acts so as to stop the advancement of the pipe member).
また、所定付勢力は、パイプ部材及びピストン間の第1摺動抵抗力と、塗布材の装填後におけるパイプ部材及び塗布材間の第2摺動抵抗力との合計よりも小さいことが好ましい。この場合、塗布材の装填後にパイプ部材が移動部の前進及び後退に伴って進退する上記作用効果を、好適に発揮することができる。 The predetermined biasing force is preferably smaller than the sum of the first sliding resistance force between the pipe member and the piston and the second sliding resistance force between the pipe member and the coating material after the coating material is loaded. In this case, the above-described effect of the pipe member moving forward and backward as the moving part moves forward and backward after the coating material is loaded can be suitably exhibited.
また、容器前部と容器後部との相対回転に伴ってクリック感を発生させるクリック機構を備え、クリック機構は、一対のクリック突起を有し、当該一対のクリック突起の係合及び係合解除によりクリック感を発生させ、弾性部材は、一対のクリック突起が互いに係合するようにクリック機構を付勢することが好ましい。この場合、パイプ部材を前方へ付勢する弾性部材を、一対のクリック突起が互いに係合するよう付勢する弾性部材として共用することができる。 The click mechanism includes a click mechanism that generates a click feeling with relative rotation between the container front part and the container rear part. The click mechanism includes a pair of click protrusions, and the engagement and release of the pair of click protrusions. A click feeling is generated, and the elastic member preferably biases the click mechanism so that the pair of click protrusions engage with each other. In this case, the elastic member that urges the pipe member forward can be shared as an elastic member that urges the pair of click protrusions to engage with each other.
また、繰出機構は、容器前部と容器後部とが一方向に相対回転されると、第1及び第2の螺合部の螺合作用により移動部を移動させ、一方向にさらに相対回転されると、第1の螺合部の螺合作用を解除させて第2の螺合作用のみにより移動部を引き続き移動させ、弾性部材は、螺合作用が解除された第1の螺合部を螺合復帰するように付勢することが好ましい。この場合、パイプ部材を前方へ付勢する弾性部材を、第1の螺合部を螺合復帰するよう付勢する弾性部材として共用することができる。 Further, when the container front part and the container rear part are relatively rotated in one direction, the feeding mechanism moves the moving part by the screwing action of the first and second screwing parts, and is further relatively rotated in one direction. Then, the screwing action of the first screwing part is released and the moving part is continuously moved only by the second screwing action, and the elastic member moves the first screwing part released from the screwing action. It is preferable to bias so as to return to the screwing state. In this case, the elastic member that urges the pipe member forward can be shared as an elastic member that urges the first screwing portion to be screwed back.
本発明によれば、パイプ部材に塗布材を装填する前において、パイプ部材が先筒に対して後退するのを抑制することが可能となる。 According to the present invention, it is possible to suppress the pipe member from moving backward with respect to the front tube before the coating material is loaded into the pipe member.
以下、本発明の好適な実施形態について、図面を参照して詳細に説明する。なお、以下の説明において同一又は相当要素には同一符号を付し、重複する説明を省略する。 DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the following description, the same or equivalent elements will be denoted by the same reference numerals, and redundant description will be omitted.
図1は本発明の一実施形態に係る繰出容器を示す縦断面図であり、図2は図1の繰出容器を一部断面化して示す分解斜視図である。図1,2に示すように、本実施形態の繰出容器100は、塗布材Mを収容すると共に適宜使用者の操作により押し出し及び引き戻し可能とするものである。 FIG. 1 is a longitudinal sectional view showing a feeding container according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view showing a part of the feeding container of FIG. As shown in FIGS. 1 and 2, the feeding container 100 of the present embodiment accommodates the coating material M and can be pushed out and pulled back appropriately by the user's operation.
この塗布材Mとしては、例えば、リップスティック、リップグロス、アイライナー、アイカラー、アイブロー、リップライナー、チークカラー、コンシーラー、美容スティック、ヘアーカラー等を始めとした種々の棒状化粧料、筆記用具等の棒状の芯等を用いることが可能であり、特に、非常に軟らかい(半固体状、軟固形状、軟質状、ゼリー状、ムース状、及びこれらを含む練り状等の)棒状体を用いるのが好適である。また、外径が1mm以下の細径棒状物や10mm以上の太めの棒状体が使用可能である。 Examples of the coating material M include various stick-shaped cosmetics such as lipstick, lip gloss, eyeliner, eye color, eyebrow, lip liner, cheek color, concealer, beauty stick, hair color, and writing tools. It is possible to use a rod-shaped core, etc., in particular, a very soft rod-like body (semi-solid, soft solid, soft, jelly, mousse, kneaded or the like containing these) is used. Is preferred. Further, a thin rod-shaped object having an outer diameter of 1 mm or less and a thick rod-shaped body having a diameter of 10 mm or more can be used.
繰出容器100は、塗布材Mが充填される充填領域1xを内部に備え吐出口1aを先端に有する先筒1と、その前半部に先筒1の後半部を内挿して該先筒1を軸線方向及び軸線回り回転方向(以下、単に「回転方向」ともいう)に係合し一体となるように連結する本体筒2と、この本体筒2の後端部に相対回転可能にして軸線方向に連結された操作筒3と、を外形構成として具備し、先筒1及び本体筒2により容器前部が構成されると共に、操作筒3により容器後部が構成されている。なお、「軸線」とは、繰出機構100の前後に延びる中心線を意味し、「軸線方向」とは、軸線に沿った方向を意味する(以下、同じ)。 The feeding container 100 includes a front tube 1 having a filling region 1x filled with a coating material M therein and having a discharge port 1a at the tip, and a rear half portion of the front tube 1 inserted in the front half thereof. A main body cylinder 2 that is engaged and connected in an axial direction and a rotation direction around the axis (hereinafter also simply referred to as a “rotation direction”), and a rear end portion of the main body cylinder 2 that is rotatable relative to the main body cylinder 2. And the operation cylinder 3 constitutes a front part of the container and the operation part 3 constitutes a rear part of the container. “Axis” means a center line extending in the front-rear direction of the feeding mechanism 100, and “Axis direction” means a direction along the axis (hereinafter the same).
この繰出容器100は、その内部に、回転止筒4、移動螺子筒5、移動体(移動部)6及びピストン(移動部)7を概略備えている。回転止筒4は、本体筒2に対し相対回転可能にして軸線方向に係合する。移動螺子筒5は、本体筒2に同期回転可能且つ軸線方向移動可能に係合すると共に、回転止筒4に第1の螺合部(繰出機構)8を介して螺合する。移動体6は、操作筒3に同期回転可能且つ軸線方向移動可能に係合すると共に、移動螺子筒5に第2の螺合部(繰出機構)9を介して螺合する。ピストン7は、移動体6の前端(先端)部に装着されて充填領域1xの後端を形成する。また、本実施形態の繰出容器100は、先筒1に対し軸線方向に摺動可能に内挿されて収容されたパイプ部材10と、パイプ部材10を所定付勢力Fsで前方へ付勢するバネ部材14と、を備えている。 The feeding container 100 includes a rotation stopper cylinder 4, a moving screw cylinder 5, a moving body (moving part) 6, and a piston (moving part) 7. The rotation stop cylinder 4 is rotatable relative to the main body cylinder 2 and engages in the axial direction. The moving screw cylinder 5 is engaged with the main body cylinder 2 so as to be capable of synchronous rotation and axial movement, and is screwed to the rotation stopper cylinder 4 via a first screwing portion (feeding mechanism) 8. The movable body 6 is engaged with the operation cylinder 3 so as to be able to rotate synchronously and move in the axial direction, and is screwed to the moving screw cylinder 5 via a second screwing portion (feeding mechanism) 9. The piston 7 is attached to the front end (tip) portion of the moving body 6 to form the rear end of the filling region 1x. Further, the feeding container 100 of the present embodiment includes a pipe member 10 that is inserted and accommodated in the axial direction so as to be slidable with respect to the front tube 1, and a spring that urges the pipe member 10 forward with a predetermined urging force Fs. And a member 14.
この繰出容器100では、初期状態において本体筒2(先筒1でも可)と操作筒3とが一の回転方向である一方向に相対回転されると、移動螺子筒5が前進(軸線方向の一方側へ移動)し、移動体6が移動螺子筒5に伴われて前進すると同時に移動螺子筒5に対し単独でも前進する。これにより、先筒1及びパイプ部材10に対しピストン7が前進する。そして、移動螺子筒5が前進限に達した後に本体筒2と操作筒3とがさらに同方向に相対回転されると、移動体6が移動螺子筒5に対し単独で前進し、先筒1及びパイプ部材10に対しピストン7が引き続き前進する。 In the feeding container 100, when the main body cylinder 2 (or the front cylinder 1 is acceptable) and the operation cylinder 3 are relatively rotated in one direction which is one rotation direction in the initial state, the movable screw cylinder 5 moves forward (in the axial direction). The moving body 6 moves forward with the moving screw cylinder 5 and simultaneously moves forward with respect to the moving screw cylinder 5 alone. Thereby, the piston 7 moves forward with respect to the front tube 1 and the pipe member 10. When the main body cylinder 2 and the operation cylinder 3 are further rotated relative to each other in the same direction after the movable screw cylinder 5 reaches the forward limit, the movable body 6 moves forward alone with respect to the movable screw cylinder 5, and the leading cylinder 1 And the piston 7 continues to move forward with respect to the pipe member 10.
他方、本体筒2と操作筒3とが一方向と反対の回転方向である他方向に相対回転されると、移動螺子筒5が後退(軸線方向の他方側へ移動)し、移動体6が移動螺子筒5に伴われて後退すると同時に移動螺子筒5に対し単独でも後退する。これにより、先筒1に対しピストン7及びパイプ部材10がともに後退する。そして、移動螺子筒5が後退限に達した後に本体筒2と操作筒3とがさらに同方向に相対回転されると、移動体6が移動螺子筒5に対し単独で後退し、先筒1に対しピストン7及びパイプ部材10がともに引き続き後退し、その後、パイプ部材10の後退が停止し、先筒1及びパイプ部材10に対しピストン7が後退する。 On the other hand, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction, which is the rotation direction opposite to the one direction, the moving screw cylinder 5 moves backward (moves to the other side in the axial direction), and the moving body 6 moves. At the same time as the moving screw cylinder 5 moves backward, the moving screw cylinder 5 also moves backward alone. As a result, both the piston 7 and the pipe member 10 move backward with respect to the front tube 1. When the main body cylinder 2 and the operation cylinder 3 are further rotated relative to each other in the same direction after the movable screw cylinder 5 reaches the retreat limit, the movable body 6 retreats independently with respect to the movable screw cylinder 5, and the leading cylinder 1 On the other hand, both the piston 7 and the pipe member 10 continue to retreat, and then the retreat of the pipe member 10 stops, and the piston 7 retreats with respect to the front tube 1 and the pipe member 10.
図1に示すように、本体筒2は、例えばABS樹脂(アクリロニトリル・ブタジエン・スチレンの共重合合成樹脂)で成形され、円筒状に構成されている。本体筒2は、その軸線方向中央部の内周面に、先筒1及び移動螺子筒5を回転方向に係合するものとして、周方向に多数の凹凸部が並設されて当該凹凸部が軸線方向に所定長延びてなるローレット2aを有している。また、本体筒2の前端部の内周面には、先筒1を軸線方向に係合するための環状凹凸部(凹凸部が軸線方向に並ぶもの)2bが設けられている。 As shown in FIG. 1, the main body cylinder 2 is formed of, for example, an ABS resin (acrylonitrile / butadiene / styrene copolymer synthetic resin) and has a cylindrical shape. The main body cylinder 2 is configured such that the front cylinder 1 and the moving screw cylinder 5 are engaged with each other on the inner peripheral surface of the central portion in the axial direction in the rotation direction. It has a knurled 2a extending a predetermined length in the axial direction. Further, on the inner peripheral surface of the front end portion of the main body cylinder 2, an annular uneven portion (in which the uneven portions are arranged in the axial direction) 2 b for engaging the front tube 1 in the axial direction is provided.
この本体筒2の内周面でローレット2aの後側には、回転止筒4を軸線方向に係合するものとして、内周面に沿って周方向に延在する円弧状凸部2cが互いに対向するように一対形成されている。さらにまた、本体筒2の内周面で円弧状凸部2cの後側には、操作筒3を軸線方向に係合するものとして、内周面に沿って周方向に延在する円弧状凸部2dが、互いに対向するように一対形成されている。これら円弧状凸部2c,2dは、軸線方向視において互いに重ならないように、周方向に間欠的(ズレて)に設けられている。また、本体筒2は、その前端部に円筒部材21を有している。 On the inner peripheral surface of the main body cylinder 2, on the rear side of the knurl 2a, arc-shaped convex portions 2c extending in the circumferential direction along the inner peripheral surface are assumed to engage the rotation stopper cylinder 4 in the axial direction. A pair is formed so as to face each other. Furthermore, on the rear side of the arcuate convex portion 2c on the inner peripheral surface of the main body cylinder 2, the arcuate convex portion extending in the circumferential direction along the inner peripheral surface is assumed to engage the operation cylinder 3 in the axial direction. A pair of portions 2d are formed so as to face each other. These arc-shaped convex portions 2c and 2d are provided intermittently (displaced) in the circumferential direction so as not to overlap each other when viewed in the axial direction. The main body cylinder 2 has a cylindrical member 21 at its front end.
図3は、図1の繰出容器の操作筒を示す分解斜視図である。図3に示すように、操作筒3は、本体部31と、本体部31の後端部に外挿された有底円筒状の尾栓部38と、尾栓部38内に設けられた円柱状の錘部39と、を含んで構成されている。本体部31は、例えばABS樹脂で成形され、前方に開口する有底円筒状に構成された筒部31xと、前端側に向かうように筒部31xの底部中央に立設された軸体31yと、を有している。 FIG. 3 is an exploded perspective view showing an operation cylinder of the feeding container of FIG. As shown in FIG. 3, the operation cylinder 3 includes a main body portion 31, a bottomed cylindrical tail plug portion 38 that is extrapolated to the rear end portion of the main body portion 31, and a circle provided in the tail plug portion 38. And a columnar weight portion 39. The main body portion 31 is formed of, for example, ABS resin, and has a cylindrical portion 31x configured in a bottomed cylindrical shape that opens forward, and a shaft body 31y that is erected at the center of the bottom portion of the cylindrical portion 31x toward the front end side. ,have.
筒部31xの外周面の前部には、本体筒2に軸線方向に係合し且つ回転止筒4の後端に突き当たる環状凸部32が設けられている。また、筒部31xの外周面の中央には、本体筒2の後端面に当接するためのものとして、円環状の鍔部33が設けられている。さらにまた、筒部31xの後端部には、尾栓部38を軸線方向に係合するための凸部34と、尾栓部38を回転方向に係合するための溝部35が設けられている。 An annular convex portion 32 that is engaged with the main body tube 2 in the axial direction and abuts against the rear end of the rotation stop tube 4 is provided at the front portion of the outer peripheral surface of the tube portion 31x. In addition, an annular flange 33 is provided at the center of the outer peripheral surface of the cylindrical portion 31x as a contact with the rear end surface of the main body cylinder 2. Furthermore, a convex portion 34 for engaging the tail plug portion 38 in the axial direction and a groove portion 35 for engaging the tail plug portion 38 in the rotational direction are provided at the rear end portion of the cylindrical portion 31x. Yes.
この筒部31xは、ラチェット歯を構成する複数の凸部36を有している。凸部36は、回転止筒4の凸部44(後述)と係合するものとして、筒部31xの外周面の前側において径方向外側に向かって突設されている。ここでの凸部36は、周方向に鋸歯形状を呈し、外周面において周方向八等配の位置に設けられている。 This cylinder part 31x has the some convex part 36 which comprises a ratchet tooth. The convex portion 36 is provided so as to be engaged with a convex portion 44 (described later) of the rotation stopper cylinder 4 and protrudes radially outward on the front side of the outer peripheral surface of the cylindrical portion 31x. Here, the convex portions 36 have a sawtooth shape in the circumferential direction, and are provided at equidistant positions in the circumferential direction on the outer peripheral surface.
これら凸部36における周方向の一方側(本体筒2と操作筒3とを他方向に相対回転したときに回転止筒4の凸部44と当接する側)の側面36aは、山型になるように外周面に対し傾斜している。一方、凸部36における周方向の他方側(本体筒2と操作筒3とを一方向に相対回転したときに回転止筒4の凸部44と当接する側)の側面36bは、外周面に対し側面36aと同じ方向に傾斜し、周方向内側に入り込むように構成されている。 A side surface 36a on one side in the circumferential direction of these convex portions 36 (the side abutting on the convex portion 44 of the rotation stopper cylinder 4 when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction) has a mountain shape. As shown in FIG. On the other hand, the side surface 36b on the other side in the circumferential direction of the convex portion 36 (the side that contacts the convex portion 44 of the rotation stopper cylinder 4 when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction) is on the outer circumferential surface. On the other hand, it is configured to incline in the same direction as the side surface 36a and enter the inner side in the circumferential direction.
軸体31yは、非円形の外形を有する構成とされている。具体的には、軸体31yは、円柱体の外周面に、周方向六等配の位置に径方向外側に突出するよう配置されて軸線方向に延びる突条37を備えた横断面非円形形状とされている。 The shaft body 31y has a non-circular outer shape. Specifically, the shaft body 31y has a non-circular cross-sectional shape provided with protrusions 37 that are arranged on the outer peripheral surface of the cylindrical body so as to protrude radially outward at six circumferential positions and extend in the axial direction. It is said that.
尾栓部38は、例えばABS樹脂で成形され、本体部31の後部を覆うように該本体部31に同期回転可能且つ軸線方向移動不能に装着されている。錘部39は、金属で形成され、尾栓部38に覆われるよう本体部31と尾栓部38との間に配置されている。この錘部39によって、繰出容器100全体に対し重量感を与えることができ、高級感を高めることが可能となる。 The tail plug portion 38 is formed of, for example, ABS resin, and is attached to the main body portion 31 so as to be able to rotate synchronously and not to move in the axial direction so as to cover the rear portion of the main body portion 31. The weight portion 39 is made of metal and is disposed between the main body portion 31 and the tail plug portion 38 so as to be covered with the tail plug portion 38. The weight portion 39 can give a feeling of weight to the entire feeding container 100, and can enhance a sense of quality.
図1,3に示すように、本体部31、尾栓部38及び錘部39からなる操作筒3は、その本体部31の前側が本体筒2に内挿され、その鍔部33が本体筒2の後端面に突き当てられると共に、本体部31の環状凸部32が本体筒2の円弧状凸部2dに軸線方向に係合することで、本体筒2に相対回転可能にして軸線方向に連結され装着されている。このとき、径方向における本体部31と本体筒2との間にOリングRが介在されており、これにより、本体筒2と操作筒3との相対回転に適度な回転抵抗が付与される。 As shown in FIGS. 1 and 3, the operation cylinder 3 including the main body portion 31, the tail plug portion 38, and the weight portion 39 is inserted into the main body cylinder 2 at the front side of the main body portion 31, and the collar portion 33 is the main body cylinder. 2 is abutted against the rear end surface, and the annular convex portion 32 of the main body portion 31 is engaged with the arc-shaped convex portion 2d of the main body cylinder 2 in the axial direction so that it can be rotated relative to the main body cylinder 2 in the axial direction. Connected and mounted. At this time, an O-ring R is interposed between the main body portion 31 and the main body cylinder 2 in the radial direction, whereby an appropriate rotational resistance is imparted to the relative rotation between the main body cylinder 2 and the operation cylinder 3.
図4は図1の繰出容器の回転止筒における軟質部を示す斜視図、図5は図1の繰出容器の回転止筒における硬質部を示す斜視図である。図4,5に示すように、回転止筒4は、軟質部104と、軟質部104の前側に外挿されて固定される硬質部105と、を含んで構成されている。 4 is a perspective view showing a soft portion in the rotating cylinder of the feeding container of FIG. 1, and FIG. 5 is a perspective view showing a hard portion of the rotating cylinder of the feeding container of FIG. As shown in FIGS. 4 and 5, the rotation stopper cylinder 4 includes a soft portion 104 and a hard portion 105 that is externally fitted and fixed to the front side of the soft portion 104.
図4に示すように、軟質部104は、その前側に位置する円筒状の小径部104xと、該小径部104xの後側に段差面104pを介して連続する円筒状の大径部104yと、を有している。小径部104xの内周面において前側には、リード12mmでピッチ2mmの第1の螺合部8の一方を構成する雌螺子としての突条41が複数設けられている。これら突条41は、内周面に沿って螺旋状を成して延びると共に、隣接する突条41の端部同士は、軸線方向に互いにズレて離間している。また、突条41は、軸線方向視において互いに重ならないように間欠的に6つ設けられている。 As shown in FIG. 4, the soft portion 104 includes a cylindrical small-diameter portion 104x located on the front side thereof, a cylindrical large-diameter portion 104y continuous on the rear side of the small-diameter portion 104x via a step surface 104p, have. On the front side of the inner peripheral surface of the small diameter portion 104x, a plurality of protrusions 41 are provided as female threads constituting one of the first screwing portions 8 having a lead of 12 mm and a pitch of 2 mm. These ridges 41 extend spirally along the inner peripheral surface, and the ends of the adjacent ridges 41 are spaced apart from each other in the axial direction. Further, six ridges 41 are provided intermittently so as not to overlap each other when viewed in the axial direction.
大径部104yは、ラチェット歯を構成する複数の凸部44を有している。凸部44は、操作筒3の凸部36と周方向に係合するものとして、大径部104yの内周面の後側にて径方向内側に向かって突設されている。ここでの凸部44は、周方向に鋸歯形状を呈し、内周面において周方向四等配の位置に設けられている。 The large diameter portion 104y has a plurality of convex portions 44 that constitute ratchet teeth. The convex portion 44 is provided so as to be engaged with the convex portion 36 of the operation cylinder 3 in the circumferential direction, and protrudes radially inward on the rear side of the inner peripheral surface of the large diameter portion 104y. Here, the convex portions 44 have a sawtooth shape in the circumferential direction, and are provided at equal circumferential positions on the inner circumferential surface.
これら凸部44における周方向の他方側(本体筒2と操作筒3とを他方向に相対回転したときに操作筒3の凸部36と当接する側)の側面44aは、山型になるように外周面に対し傾斜している。一方、凸部44における周方向の一方側(本体筒2と操作筒3とを一方向に相対回転したときに操作筒3の凸部36と当接する側)の側面44bは、外周面に対し側面44aと同じ方向に傾斜し、周方向内側に入り込むように構成されている。 The side surface 44a on the other side in the circumferential direction of these convex portions 44 (the side abutting on the convex portion 36 of the operation cylinder 3 when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction) is formed in a mountain shape. It is inclined with respect to the outer peripheral surface. On the other hand, the side surface 44b on one side in the circumferential direction of the convex portion 44 (the side abutting on the convex portion 36 of the operation cylinder 3 when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction) It is configured to incline in the same direction as the side surface 44a and enter the inner side in the circumferential direction.
この軟質部104は、移動螺子筒5及び操作筒3よりも軟らかいものとされている。具体的には、軟質部104は、移動螺子筒5の材質であるPOM(ポリアセタール)よりも軟らかく、且つ、操作筒3の材質であるABS樹脂よりも軟らかい材質で成形されており、ここでは、熱可塑性エラストマでインジェンクション成形されている。なお、熱可塑性エラストマとしては、ポリエステル系、ポリスチレン系、ポリオレフィン系、等の何れのものを用いることができる。 The soft portion 104 is softer than the moving screw cylinder 5 and the operation cylinder 3. Specifically, the soft portion 104 is formed of a material softer than POM (polyacetal) which is a material of the moving screw cylinder 5 and softer than ABS resin which is a material of the operation cylinder 3, Injection molded with a thermoplastic elastomer. As the thermoplastic elastomer, any of polyester, polystyrene, polyolefin, and the like can be used.
図5に示すように、硬質部105は、筒状を呈しており、その内径が軟質部104の小径部104xの外径と等しくされている。硬質部105の外周面の後端部には、本体筒2に軸線方向に係合するための環状凸部106が設けられている。また、硬質部105の内周面の前端部には、軟質部104に対する挿入方向を規制する(つまり、前後方向が逆にならないようにする)ためのものとして、環状凸部107が設けられている。 As shown in FIG. 5, the hard portion 105 has a cylindrical shape, and the inner diameter thereof is equal to the outer diameter of the small diameter portion 104 x of the soft portion 104. An annular convex portion 106 for engaging with the main body cylinder 2 in the axial direction is provided at the rear end portion of the outer peripheral surface of the hard portion 105. Further, an annular convex portion 107 is provided at the front end portion of the inner peripheral surface of the hard portion 105 to restrict the insertion direction with respect to the soft portion 104 (that is, to prevent the front and rear direction from being reversed). Yes.
この硬質部105は、軟質部104よりも硬いものとされている。具体的には、硬質部105は、POM、ABS樹脂又はHDPE(高密度ポリエチレン)でインジェンクション成形されており、軟質部104よりも硬度が大きいものとなっている。そして、硬質部105は、図1に示すように、その環状凸部107が前側に位置する状態にして、その後端面105a(図8参照)が段差面104pに当接するまで軟質部104の小径部104xに外挿され、嵌合されて装着(固定)されている。 The hard portion 105 is harder than the soft portion 104. Specifically, the hard portion 105 is injection-molded with POM, ABS resin, or HDPE (high density polyethylene), and has a higher hardness than the soft portion 104. Then, as shown in FIG. 1, the hard portion 105 has a small-diameter portion of the soft portion 104 until the rear end surface 105a (see FIG. 8) contacts the step surface 104p with the annular convex portion 107 positioned on the front side. 104x is extrapolated, fitted and fixed (fixed).
図1,4,5に示すように、軟質部104及び硬質部105からなる回転止筒4は、その前側から本体筒2に内挿され、その環状凸部106が本体筒2の円弧状凸部2cに軸線方向に係合している。また、回転止筒4は、その後側が操作筒3の本体部31に外挿され、その後端面が環状凸部32(図4参照)に突き当てられている。これにより、回転止筒4は、軸線方向に挟持され、本体筒2に対して相対回転可能にして軸線方向に係合され装着される。 As shown in FIGS. 1, 4, and 5, the rotation-stop cylinder 4 composed of the soft portion 104 and the hard portion 105 is inserted into the main body cylinder 2 from the front side, and the annular convex portion 106 is an arc-shaped convex portion of the main body cylinder 2. The portion 2c is engaged in the axial direction. Further, the rotation stopper cylinder 4 has a rear side thereof extrapolated to the main body 31 of the operation cylinder 3, and a rear end surface of the rotation stopper cylinder 4 butted against an annular convex portion 32 (see FIG. 4). Thereby, the rotation stop cylinder 4 is clamped in the axial direction, is relatively rotatable with respect to the main body cylinder 2, and is engaged and mounted in the axial direction.
これと共に、回転止筒4は、軟質部104の凸部44が操作筒3の凸部36に当接し、回転方向(周方向)に係合している。これにより、凸部44と凸部36との間には、例えば軟質部104の柔軟性に起因した弾性力(可撓性)等によって、所定係合力が生じることとなる。その結果、操作筒3と回転止筒4とは、一方向に相対回転される場合に同期回転可能となり、また、他方向に相対回転される場合、小回転力が加わると同期回転可能となると共に大回転力が加わると相対回転可能となる(詳しくは後述)。 At the same time, the rotation stopper cylinder 4 is engaged with the convex portion 44 of the soft portion 104 in contact with the convex portion 36 of the operation cylinder 3 in the rotation direction (circumferential direction). Accordingly, a predetermined engagement force is generated between the convex portion 44 and the convex portion 36 by, for example, an elastic force (flexibility) due to the flexibility of the soft portion 104. As a result, the operation cylinder 3 and the rotation stop cylinder 4 can be synchronously rotated when they are relatively rotated in one direction, and can be synchronously rotated when a small rotational force is applied when they are relatively rotated in the other direction. At the same time, when a large rotational force is applied, relative rotation is possible (details will be described later).
図6は、図1の繰出容器の移動螺子筒を示す斜視図である。図6に示すように、移動螺子筒5は、例えばPOMで成形され、筒状を呈している。移動螺子筒5の前端部5xは、前端から軸線方向に所定長延在し対向するよう一対形成されたスリット51によって、径方向外側に拡開可能に構成されている。前端部5xの外周面の前側においてスリット51に近接する位置には、前端部5xの外径を調整するためのものとして、複数(ここでは4つ)の凸部52が設けられている。 FIG. 6 is a perspective view showing a moving screw cylinder of the feeding container of FIG. As shown in FIG. 6, the moving screw cylinder 5 is formed of, for example, POM and has a cylindrical shape. The front end portion 5x of the moving screw cylinder 5 is configured to be able to expand radially outward by a pair of slits 51 that extend in the axial direction from the front end and face each other. A plurality (four in this case) of convex portions 52 are provided at positions near the slit 51 on the front side of the outer peripheral surface of the front end portion 5x to adjust the outer diameter of the front end portion 5x.
また、前端部5xの内周面において前端から所定長後方に亘る領域には、第2の螺合部9の一方を構成する雌螺子53が設けられている。なお、ここでの第2の螺合部9のピッチは、第1の螺合部8のピッチより細かいものとされており、第1の螺合部8のリード(本体筒2と操作筒3との相対回転一回転当たりの推進量)が第2の螺合部9のリードよりも大きく設定されている。 A female screw 53 constituting one of the second screwing portions 9 is provided in a region extending from the front end to a predetermined length on the inner peripheral surface of the front end portion 5x. Here, the pitch of the second screwing portion 9 is finer than the pitch of the first screwing portion 8, and the lead of the first screwing portion 8 (the main body cylinder 2 and the operation cylinder 3). The amount of propulsion per rotation relative to the second screw 9 is set larger than the lead of the second screwing portion 9.
また、移動螺子筒5の中央部の外周面における後側には、円環状の鍔部54が設けられている。鍔部54の外周面には、本体筒2のローレット2a(図1参照)に係合するものとして、軸線方向に沿って延びる突条55が複数設けられている。また、移動螺子筒5の後端部の外周面には、第1の螺合部8の他方を構成する雄螺子としての突条56が設けられている。これら突条56は、外周面おいて軸線を挟んで対向する一対の対向部分に設けられている。つまり、かかる対向部分にのみ螺旋状を成して延在するように、間欠的に設けられている。 Further, an annular flange 54 is provided on the rear side of the outer peripheral surface of the central portion of the moving screw cylinder 5. A plurality of protrusions 55 extending along the axial direction are provided on the outer peripheral surface of the flange portion 54 so as to engage with the knurl 2 a (see FIG. 1) of the main body cylinder 2. Further, a protrusion 56 as a male screw constituting the other of the first screwing portion 8 is provided on the outer peripheral surface of the rear end portion of the moving screw cylinder 5. These ridges 56 are provided on a pair of opposed portions facing each other across the axis on the outer peripheral surface. That is, it is provided intermittently so as to extend in a spiral shape only at the facing portion.
図1,6に示すように、この移動螺子筒5は、本体筒2に内挿され、その突条55が本体筒2のローレット2aに係合することで、本体筒2に対し回転方向に係合し且つ軸線方向移動可能に装着されている。また、移動螺子筒5は、操作筒3の軸体31yに外挿されると共に、その後端部の突条56が回転止筒4の軟質部104の突条41と螺合するように構成されている。ここでは、軟質部104が軟らかいことから、第1の螺合部8の螺合作用を充分に発揮させるべく、複数の突条56が複数の突条56に同時に係合するようになっている。 As shown in FIGS. 1 and 6, the moving screw cylinder 5 is inserted into the main body cylinder 2, and the protrusion 55 engages with the knurled 2 a of the main body cylinder 2, so that the main cylinder 2 is rotated in the rotational direction. It is engaged and mounted so as to be movable in the axial direction. The moving screw cylinder 5 is configured to be extrapolated to the shaft body 31 y of the operation cylinder 3, and the protrusion 56 at the rear end thereof is screwed with the protrusion 41 of the soft part 104 of the rotation stopper cylinder 4. Yes. Here, since the soft portion 104 is soft, the plurality of protrusions 56 are engaged with the plurality of protrusions 56 at the same time in order to fully exhibit the screwing action of the first screwing portion 8. .
図1に示すように、移動体6は、例えばPOMで成形され、先端側に鍔部6aを有する円筒状に構成されている。移動体6は、その鍔部6aより後側から後端部に亘る外周面に、第2の螺合部9の他方を構成する雄螺子6bを備えている。この移動体6の内周面において周方向六等配の位置には、操作筒3に回転方向に係合するものとして、放射状に突出し軸線方向に延びる突条6cが設けられている。この移動体6は、その後端側から、操作筒3の軸体31yと移動螺子筒5との間に外挿されている。このとき、移動体6は、その雄螺子6bが移動螺子筒5の雌螺子53と螺合すると共に、その突条6cが軸体31yの突条37,37間に進入し回転方向に係合することで、操作筒3に対し同期回転可能且つ軸線方向移動可能に装着されている。 As shown in FIG. 1, the moving body 6 is formed of, for example, POM and is formed in a cylindrical shape having a flange portion 6a on the distal end side. The movable body 6 includes a male screw 6b that constitutes the other of the second screwing portions 9 on the outer peripheral surface extending from the rear side to the rear end portion of the flange portion 6a. On the inner peripheral surface of the moving body 6, at six positions in the circumferential direction, protrusions 6c that project radially and extend in the axial direction are provided so as to engage with the operation cylinder 3 in the rotational direction. The moving body 6 is externally inserted between the shaft body 31y of the operation cylinder 3 and the moving screw cylinder 5 from the rear end side. At this time, the moving body 6 has its male screw 6b screwed with the female screw 53 of the moving screw cylinder 5, and its protrusion 6c entered between the protrusions 37, 37 of the shaft 31y and engaged in the rotational direction. By doing so, the operation cylinder 3 is mounted so as to be able to rotate synchronously and move in the axial direction.
ピストン7は、例えばPP(ポリプロピレン)、HDPE、LLDPE(直鎖状低密度ポリエチレン)等で成形されている。ピストン7は、前端に向けて先細りとされた釣り鐘形状を呈しており、後端面に凹設された凹部7aの内周面には、移動体6に対し軸線方向に所定長だけ移動可能にして係合する環状突部7bが設けられている。このピストン7は、移動体6に外挿され、その環状突部7bが移動体6に軸線方向に係合することで、移動体6に対し同期回転可能且つ軸線方向に一定量相対移動可能(所定の範囲内を移動可能)に装着されている。これら移動体6及びピストン7は、第3摺動抵抗力F3でもって軸線方向に互いに摺動可能とされている。 The piston 7 is formed of, for example, PP (polypropylene), HDPE, LLDPE (linear low density polyethylene) or the like. The piston 7 has a bell shape that is tapered toward the front end, and the inner peripheral surface of the recess 7 a that is recessed in the rear end surface is movable by a predetermined length in the axial direction relative to the moving body 6. An engaging annular projection 7b is provided. The piston 7 is extrapolated to the moving body 6 and its annular projection 7b engages the moving body 6 in the axial direction, so that the piston 7 can rotate synchronously with the moving body 6 and can move relative to the moving body 6 by a certain amount ( It can be moved within a predetermined range. The movable body 6 and the piston 7 are slidable in the axial direction with a third sliding resistance force F3.
図7,8は図1の繰出容器の先筒を示す斜視図、縦断面図であり、図9,10は図1の繰出容器のパイプ部材を示す斜視図、縦断面図である。図7,8に示すように、先筒1は、円筒形状を成し、その前端の開口が塗布材Mを出現させるための吐出口1aとされている。この先筒1は、例えばPET(ポリエチレンテレフタレート)樹脂、PCTA(ポリシクロヘキサンジメチレンテレフタレート)樹脂やABS樹脂等で成形されている。吐出口1aは、軸線方向に対し所定角度で傾斜する傾斜角度面により形成されている。なお、吐出口1aは、軸線方向の垂直面で形成するフラット形状とする場合や山形形状とする場合もある。 FIGS. 7 and 8 are a perspective view and a longitudinal sectional view showing a leading tube of the feeding container of FIG. 1, and FIGS. 9 and 10 are a perspective view and a longitudinal sectional view showing a pipe member of the feeding container of FIG. As shown in FIGS. 7 and 8, the front tube 1 has a cylindrical shape, and the opening at the front end thereof is a discharge port 1 a for causing the coating material M to appear. The front tube 1 is formed of, for example, PET (polyethylene terephthalate) resin, PCTA (polycyclohexanedimethylene terephthalate) resin, ABS resin, or the like. The discharge port 1a is formed by an inclined angle surface that is inclined at a predetermined angle with respect to the axial direction. In addition, the discharge port 1a may be a flat shape formed by a vertical surface in the axial direction or a mountain shape.
また、先筒1の外周面には、本体筒2の環状凹凸部2bに軸線方向に係合するための環状凸凹部1bが設けられている。また、先筒1の外周面において環状凸凹部1bより後側には、本体筒2のローレット2aに回転方向に係合するものとして、軸線方向に延びる突条1gが設けられている。 Further, on the outer peripheral surface of the front tube 1, an annular convex concave portion 1 b for engaging with the annular concave and convex portion 2 b of the main body tube 2 in the axial direction is provided. Further, on the outer peripheral surface of the front tube 1, a ridge 1 g extending in the axial direction is provided on the rear side of the annular convex recess 1 b so as to be engaged with the knurling 2 a of the main body tube 2 in the rotational direction.
この先筒1の軸線方向に貫通する筒孔11においては、先端の吐出口1aから所定長後側の領域に、塗布材Mのみを進退させるための塗布材孔11aが形成されている。また、筒孔11では、塗布材孔11aから後側の領域に、パイプ部材10を塗布材Mとともに進退させるためのパイプ部材孔11bが形成されている。 In the tube hole 11 penetrating in the axial direction of the front tube 1, an application material hole 11a for advancing and retracting only the application material M is formed in a region on the rear side of a predetermined length from the discharge port 1a at the tip. In the cylindrical hole 11, a pipe member hole 11 b for advancing and retracting the pipe member 10 together with the coating material M is formed in the rear region from the coating material hole 11 a.
パイプ部材孔11bは、塗布材孔11aよりも大径とされ、パイプ部材10を軸線方向に摺動可能に内挿し収容する。このパイプ部材孔11bの後端部には、パイプ部材10に対し回転方向に係合するものとして、径方向に貫通し且つ軸線方向に延びる孔部12xと軸線方向に延びる溝部12yとが、互いに対向するように設けられている。 The pipe member hole 11b has a larger diameter than the coating material hole 11a, and accommodates the pipe member 10 so as to be slidable in the axial direction. At the rear end portion of the pipe member hole 11b, a hole portion 12x penetrating in the radial direction and extending in the axial direction and a groove portion 12y extending in the axial direction are assumed to be engaged with the pipe member 10 in the rotational direction. It is provided so as to face each other.
これら塗布材孔11a及びパイプ部材孔11bの間には、パイプ部材10の前進を停止させるものとして、パイプ部材10の先端面に軸線方向に係合する段差面11cが形成されている。段差面11cは、パイプ部材10の先端に対応する面形状を成し、ここでは、吐出口1aに対応する角度(上記所定角度)で傾斜する傾斜角度面により形成されている。 Between the coating material hole 11a and the pipe member hole 11b, a step surface 11c that engages the tip surface of the pipe member 10 in the axial direction is formed to stop the advancement of the pipe member 10. The step surface 11c has a surface shape corresponding to the tip of the pipe member 10, and here is formed by an inclined angle surface inclined at an angle corresponding to the discharge port 1a (the predetermined angle).
また、パイプ部材孔11bにおける軸線方向中央部には、パイプ部材10の肉厚を確保しつつ成形性を安定させるための段差面11dが形成されている。段差面11dは、周方向に延在し、且つ軸線方向に対し後側が拡径するよう傾斜する環状傾斜面とされている。これにより、パイプ部材孔11bでは、段差面11dよりも後側の孔径が該段差面11dよりも前側の孔径に対し若干大きくなっている。 Further, a stepped surface 11d is formed at the central portion in the axial direction of the pipe member hole 11b to ensure the thickness of the pipe member 10 and stabilize the moldability. The step surface 11d is an annular inclined surface that extends in the circumferential direction and is inclined so that the diameter of the rear side is increased with respect to the axial direction. Thereby, in the pipe member hole 11b, the hole diameter on the rear side of the step surface 11d is slightly larger than the hole diameter on the front side of the step surface 11d.
図1に示すように、パイプ部材10は、円筒形状を成し、その前端の開口は、吐出口1aと同様に、上記所定角度で傾斜する傾斜角度面により形成されている。パイプ部材10は、その内部に充填領域1xを備えている。すなわち、パイプ部材10においては、塗布材Mが充填されて装填され、その内部に塗布材Mが軸線方向に摺動可能に密着している。パイプ部材10及び塗布材Mは、第2摺動抵抗力F2でもって軸線方向に互いに摺動可能とされている。 As shown in FIG. 1, the pipe member 10 has a cylindrical shape, and the opening at the front end thereof is formed by an inclined angle surface that is inclined at the predetermined angle in the same manner as the discharge port 1a. The pipe member 10 includes a filling region 1x therein. That is, in the pipe member 10, the coating material M is filled and loaded, and the coating material M is in close contact with the inside so as to be slidable in the axial direction. The pipe member 10 and the coating material M are slidable in the axial direction with the second sliding resistance force F2.
このパイプ部材10の内径は、先筒1の塗布材孔11aの内径と等しくされている。これにより、パイプ部材10が先筒1のパイプ部材孔11b内に収容にされたとき、パイプ部材10の内周面と先筒1の塗布材孔11aの内周面とが面一とされている。一方、パイプ部材10の外径は、先筒1のパイプ部材孔11bの内径に対し僅かに(例えば15/100mm)小さくされている。これにより、パイプ部材10が先筒1のパイプ部材孔11b内に収容にされたとき、径方向においてパイプ部材10と先筒1との間に所定クリアランスが形成され、その結果、パイプ部材10が先筒1に対し軸線方向に摺動可能とされる。 The inner diameter of the pipe member 10 is equal to the inner diameter of the coating material hole 11 a of the front tube 1. Thereby, when the pipe member 10 is accommodated in the pipe member hole 11b of the front tube 1, the inner peripheral surface of the pipe member 10 and the inner peripheral surface of the coating material hole 11a of the front tube 1 are flush with each other. Yes. On the other hand, the outer diameter of the pipe member 10 is slightly smaller (for example, 15/100 mm) than the inner diameter of the pipe member hole 11b of the front tube 1. Thereby, when the pipe member 10 is accommodated in the pipe member hole 11b of the front tube 1, a predetermined clearance is formed between the pipe member 10 and the front tube 1 in the radial direction. It can slide in the axial direction with respect to the front tube 1.
図9,10に示すように、このパイプ部材10の外周面において軸線方向中央部の前側には、パイプ部材孔11bの段差面11d(図8参照)に対応するものとして、段差面10aが形成されている。この段差面10aは、段差面11dと同様な環状傾斜面とされている。すなわち、段差面10aは、周方向に延在し、且つ軸線方向に対し後側が拡径するよう傾斜している。これにより、パイプ部材10では、段差面10aよりも後側の外径が該段差面10aよりも前側の外径に対し若干大きくなっている。 As shown in FIGS. 9 and 10, a step surface 10 a is formed on the outer peripheral surface of the pipe member 10 on the front side in the axial center portion so as to correspond to the step surface 11 d (see FIG. 8) of the pipe member hole 11 b. Has been. The step surface 10a is an annular inclined surface similar to the step surface 11d. That is, the step surface 10a extends in the circumferential direction, and is inclined so that the rear side has a larger diameter than the axial direction. Thereby, in the pipe member 10, the outer diameter on the rear side of the step surface 10a is slightly larger than the outer diameter on the front side of the step surface 10a.
また、パイプ部材10の外周面において軸線方向中央部の後側には、パイプ部材孔11bの孔部12x及び溝部12yそれぞれに対し回転方向に係合するものとして、軸線方向に短尺に延びる一対の突条10x,10yが互いに対向するように設けられている。パイプ部材10の外周面において突条10x,10yの後側には、径方向外側に突出し且つ周方向に沿って延在する突部としての鍔部10bが設けられている。 In addition, on the rear side of the axial center portion on the outer peripheral surface of the pipe member 10, a pair of pipe members 11b that extend in the axial direction is assumed to be engaged with the hole 12x and the groove 12y of the pipe member hole 11b in the rotational direction. The protrusions 10x and 10y are provided so as to face each other. On the outer peripheral surface of the pipe member 10, on the rear side of the protrusions 10x and 10y, a flange portion 10b is provided as a protrusion protruding outward in the radial direction and extending along the circumferential direction.
鍔部10bは、バネ部材14の前端面に当接されて所定付勢力で前方へ付勢されるものであり、ここでは、円環形状の外周面に二平面部10c,10cを対向して設けた形状に構成されている。また、パイプ部材10における鍔部10bの後側には、組付けの際に充填領域1x内のエアを外部へ排出するためのものとして、断面円形状で径方向に貫通するエア排出孔10dが設けられている。エア排出孔10dは、互いに対向するように一対形成されている。 The flange portion 10b is abutted against the front end surface of the spring member 14 and is urged forward by a predetermined urging force. Here, the two planar portions 10c and 10c are opposed to the annular outer peripheral surface. It is configured in the provided shape. Also, on the rear side of the flange portion 10b of the pipe member 10, there is an air discharge hole 10d that is circular in cross section and penetrates in the radial direction as a means for discharging the air in the filling region 1x to the outside during assembly. Is provided. A pair of air discharge holes 10d are formed so as to face each other.
図1,7〜10に示すように、先筒1では、そのパイプ部材孔11bにパイプ部材10が内挿されて収容され、パイプ部材10が先筒1に対し軸線方向に摺動可能とされている。このとき、孔部12xに突条10xが回転方向に係合されると共に、溝部12yに突条10yが回転方向に係合され、これにより、先筒1に対するパイプ部材10の相対回転が規制されている。 As shown in FIGS. 1, 7 to 10, in the front tube 1, the pipe member 10 is inserted and accommodated in the pipe member hole 11 b so that the pipe member 10 can slide in the axial direction with respect to the front tube 1. ing. At this time, the protrusion 10x is engaged with the hole 12x in the rotation direction, and the protrusion 10y is engaged with the groove 12y in the rotation direction, whereby the relative rotation of the pipe member 10 with respect to the front tube 1 is restricted. ing.
このようにパイプ部材10が組み付けられた先筒1は、その後側から本体筒2と移動螺子筒5との間に挿入され、その環状凸凹部1bに本体筒2の環状凹凸部2bが軸線方向に係合すると共に、その突条1gに本体筒2のローレット2aが回転方向に係合することで、本体筒2に軸線方向及び回転方向に係合されて装着され、当該本体筒2と一体化されている。 The front tube 1 in which the pipe member 10 is assembled in this way is inserted between the main body tube 2 and the moving screw tube 5 from the rear side, and the annular concavo-convex portion 2b of the main body tube 2 is axially disposed in the annular convex dent 1b. In addition, the knurl 2a of the main body cylinder 2 is engaged with the protrusion 1g in the rotation direction so that the main body cylinder 2 is engaged with the main body cylinder 2 in the axial direction and the rotation direction. It has become.
また、先筒1のパイプ部材10内の後端部には、ピストン7が気密に密着するようにして内挿されている。具体的には、ピストン7は、パイプ部材10に内挿されて該パイプ部材10内における塗布材Mの後側に位置する共に、パイプ部材10に対し気密になるよう密接し、第1摺動抵抗力F1でもってパイプ部材10に対し軸線方向に摺動可能とされている。 Further, the piston 7 is inserted into the rear end portion of the pipe member 10 of the front tube 1 so as to be tightly adhered. Specifically, the piston 7 is inserted into the pipe member 10 and is located on the rear side of the coating material M in the pipe member 10 and is in close contact with the pipe member 10 so as to be airtight, and the first sliding. It is possible to slide in the axial direction with respect to the pipe member 10 with the resistance force F1.
図11は、図1の繰出容器のバネ部材を示す斜視図である。図11に示すように、バネ部材14は、円筒コイルバネであり、その弾性力によって軸線方向に所定付勢力Fsを付与する。バネ部材14は、パイプ部材10を前方へ付勢する。また、このバネ部材14は、移動螺子筒5が一定量前進して第1の螺合部8の螺合作用が解除されたとき、第1の螺合部8が螺合復帰するよう移動螺子筒5を後方へ付勢する。所定付勢力Fsは、バネ部材14の伸縮度合いに応じて、その値(大きさ)が変化するものである。 FIG. 11 is a perspective view showing a spring member of the feeding container of FIG. As shown in FIG. 11, the spring member 14 is a cylindrical coil spring, and applies a predetermined urging force Fs in the axial direction by its elastic force. The spring member 14 biases the pipe member 10 forward. Further, the spring member 14 is configured so that the first screwing portion 8 is screwed back when the moving screw cylinder 5 moves forward by a certain amount and the screwing action of the first screwing portion 8 is released. The cylinder 5 is urged backward. The value (magnitude) of the predetermined urging force Fs changes according to the degree of expansion / contraction of the spring member 14.
このバネ部材14としては、例えば、POMやPP(ポリプロピレン)等の樹脂を利用し一部を切り欠いた円筒形状を射出成形で製造した樹脂バネや、ステンレス製線材をコイル状にしたスプリングを採用することができる。なお、ここでいう「螺合復帰」は、第1の螺合部8の雄螺子としての突条56が、雌螺子としての突条41の螺子山の側面に当接するまで戻る段階を意味している(以下、同じ)。 As the spring member 14, for example, a resin spring produced by injection molding of a cylindrical shape that is partially cut using a resin such as POM or PP (polypropylene), or a spring made of stainless steel wire in a coil shape is used. can do. Here, “screwing return” means a stage in which the protrusion 56 as the male screw of the first screwing portion 8 returns until it contacts the side surface of the screw thread of the protrusion 41 as the female screw. (Hereinafter the same).
ここで、バネ部材14の所定付勢力Fsは、下式(1)に示すように、パイプ部材10及びピストン7間の上記第1摺動抵抗力F1と、パイプ部材10及び塗布材M間の上記第2摺動抵抗力F2との合計よりも小さい値とされている。これにより、バネ部材14は、パイプ部材10を前方へ所定付勢力Fsで付勢することで、塗布材Mが充填された後には、ピストン7の進退に応じてパイプ部材10を先筒1に対し進退させる。
Fs < F1+F2 …(1)
Here, the predetermined urging force Fs of the spring member 14 is expressed by the first sliding resistance force F1 between the pipe member 10 and the piston 7 and between the pipe member 10 and the coating material M as shown in the following formula (1). The value is smaller than the sum of the second sliding resistance force F2. Thereby, the spring member 14 urges the pipe member 10 forward with a predetermined urging force Fs, and after the coating material M is filled, the spring member 14 moves the pipe member 10 to the front tube 1 in accordance with the advancement / retraction of the piston 7. Move forward and backward.
Fs <F1 + F2 (1)
或いは、所定付勢力Fsは、少なくともパイプ部材10が前進限に位置するとき、下式(1)’に示すように、上記第1摺動抵抗力F1よりも大きくされ、且つ、上記第1摺動抵抗力F1と上記第2摺動抵抗力F2との合計よりも小さい値とされている。ここでは、所定付勢力Fsは1.8Nとされ、上記第1摺動抵抗力F1が1.3Nとされ、上記第1摺動抵抗力F1と上記第2摺動抵抗力F2との合計が2.6Nとされている。これにより、バネ部材14は、パイプ部材10を前方へ所定付勢力Fsで付勢することで、充填領域1xに塗布材Mが充填される前には、ピストン7の移動によらずパイプ部材10を先筒1に対し前進させて前進限に常に位置させる一方、塗布材Mが充填された後には、ピストン7の進退に応じてパイプ部材10を先筒1に対し進退させる。
F1 < Fs < F1+F2 …(1)’
Alternatively, the predetermined urging force Fs is set to be larger than the first sliding resistance force F1 as shown in the following formula (1) ′ when at least the pipe member 10 is positioned at the forward limit, and the first sliding force Fs. The value is smaller than the sum of the dynamic resistance force F1 and the second sliding resistance force F2. Here, the predetermined urging force Fs is 1.8N, the first sliding resistance force F1 is 1.3N, and the sum of the first sliding resistance force F1 and the second sliding resistance force F2 is 2.6N. As a result, the spring member 14 urges the pipe member 10 forward with a predetermined urging force Fs, so that the pipe member 10 does not move regardless of the movement of the piston 7 before the filling material 1 is filled with the coating material M. The pipe member 10 is moved forward and backward with respect to the front cylinder 1 in accordance with the advance and retreat of the piston 7 after the coating material M is filled.
F1 <Fs <F1 + F2 (1) ′
特に、本実施形態の所定付勢力Fsは、下式(2)に示すように、上記第1摺動抵抗力F1と上記第2摺動抵抗力F2とピストン及び移動体6間の上記第3摺動抵抗力との合計よりも小さい値とされている。或いは、所定付勢力Fsは、下式(2)’に示すように、上記第3摺動抵抗力F3よりも大きくされ、且つ、上記第1摺動抵抗力F1と上記第2摺動抵抗力F2と上記第3摺動抵抗力との合計よりも小さい値とされている。
Fs < F1+F2+F3 …(2)
F3 < Fs < F1+F2+F3 …(2)’
In particular, the predetermined biasing force Fs of the present embodiment is the third sliding resistance force F1, the second sliding resistance force F2, the piston and the moving body 6 as shown in the following formula (2). The value is smaller than the sum of the sliding resistance. Alternatively, the predetermined urging force Fs is made larger than the third sliding resistance force F3, and the first sliding resistance force F1 and the second sliding resistance force as shown in the following expression (2) ′. The value is smaller than the sum of F2 and the third sliding resistance force.
Fs <F1 + F2 + F3 (2)
F3 <Fs <F1 + F2 + F3 (2) ′
図1に示すように、このバネ部材14は、パイプ部材10の後端部に外挿され、その前端面がパイプ部材10の鍔部10bの後面に当接されていると共に、その後端面が移動螺子筒5の鍔部54(図7参照)の前面に当接されて装着されている。これにより、バネ部材14は、鍔部10b,54によって軸線方向に挟持され、その圧縮の弾性力によりパイプ部材10を前方へ所定付勢力Fsで付勢すると共に、移動螺子筒5を後方へ所定付勢力Fsで付勢する。 As shown in FIG. 1, the spring member 14 is extrapolated to the rear end portion of the pipe member 10, and the front end surface thereof is in contact with the rear surface of the flange portion 10 b of the pipe member 10, and the rear end surface thereof moves. Attached to the front surface of the flange portion 54 (see FIG. 7) of the screw cylinder 5 is attached. Thereby, the spring member 14 is clamped in the axial direction by the flange portions 10b and 54, and the pipe member 10 is urged forward by the predetermined urging force Fs by the compression elastic force, and the moving screw cylinder 5 is urged backward. Energize with the energizing force Fs.
次に、繰出容器100の動作の一例について、図12〜図15を参照しつつ説明する。 Next, an example of the operation of the feeding container 100 will be described with reference to FIGS.
例えば図1,12(a)に示す初期状態の繰出容器100にあっては、先筒1の塗布材孔11aとパイプ部材10の内周面とピストン7とに塗布材Mが密着して装填された状態にある。そして、パイプ部材10は、前進限の状態(パイプ部材10の先端面が先筒1の段差面11cに当接する状態)とされており、その後端面が移動螺子筒5の鍔部54よりも前側に離れて位置し、先筒1に対して後退可能な状態とされている。 For example, in the feeding container 100 in the initial state shown in FIGS. 1 and 12 (a), the coating material M is loaded in close contact with the coating material hole 11a of the front tube 1, the inner peripheral surface of the pipe member 10, and the piston 7. It is in the state that was done. The pipe member 10 is in a forward limit state (the front end surface of the pipe member 10 is in contact with the stepped surface 11 c of the front tube 1), and the rear end surface is a front side of the flange portion 54 of the moving screw tube 5. It is located away from the front tube 1 and can be retracted with respect to the front tube 1.
この初期状態の繰出容器100において、使用者によりキャップC(図1参照)が取り外されて本体筒2と操作筒3とが繰り出し方向である一方向に相対回転されると、図12(b)に示すように、回転止筒4の凸部44が操作筒3の凸部36に当接して回転方向に係止(強固に係合)され、操作筒3と回転止筒4とが同期回転する。これにより、移動螺子筒5と操作筒3及び回転止筒4とが相対回転し、移動螺子筒5の突条56及び回転止筒4の突条41により構成された第1の螺合部8の螺合作用が働き、移動螺子筒5の突条55と先筒1の突条1g(図7参照)とで構成された回止め部との協働により、移動螺子筒5が前進し、これに伴って移動体6が前進する。 In the feeding container 100 in this initial state, when the user removes the cap C (see FIG. 1) and the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction, which is the feeding direction, FIG. As shown in FIG. 4, the convex portion 44 of the rotation cylinder 4 abuts on the convex portion 36 of the operation cylinder 3 and is locked (solidly engaged) in the rotation direction, and the operation cylinder 3 and the rotation cylinder 4 are rotated synchronously. To do. As a result, the movable screw cylinder 5, the operation cylinder 3, and the rotation stopper cylinder 4 rotate relative to each other, and the first screwing portion 8 constituted by the protrusion 56 of the movement screw cylinder 5 and the protrusion 41 of the rotation stopper cylinder 4. , The moving screw cylinder 5 moves forward by the cooperation of the locking portion constituted by the protrusion 55 of the moving screw cylinder 5 and the protrusion 1g of the leading cylinder 1 (see FIG. 7). Along with this, the moving body 6 moves forward.
これと同時に、先筒1及び移動螺子筒5と移動体6とが相対回転し、移動螺子筒5の雌螺子53及び移動体6の雄螺子6bにより構成された第2の螺合部9の螺合作用が働き、操作筒3における軸体31yの突条37と移動体6の突条6cとで構成された回止め部との協働により、移動体6が前進する。すなわち、移動体6が移動螺子筒5に伴われて前進すると同時に移動螺子筒5に対し単独でも前進する。 At the same time, the leading cylinder 1 and the moving screw cylinder 5 and the moving body 6 rotate relative to each other, and the second screwing portion 9 constituted by the female screw 53 of the moving screw cylinder 5 and the male screw 6b of the moving body 6 is used. The screwing action works, and the moving body 6 moves forward by the cooperation of the rotation stop portion constituted by the protrusion 37 of the shaft body 31 y and the protrusion 6 c of the moving body 6 in the operation cylinder 3. That is, the moving body 6 moves forward with the moving screw cylinder 5 and simultaneously moves forward with respect to the moving screw cylinder 5.
その結果、移動体6がピストン7に対し所定量前進し、移動体6がピストン7の後端面に当接してピストン7を前方に押圧し、先筒1及びパイプ部材10に対しピストン7が前進する。よって、先筒1及びパイプ部材10内で塗布材Mが繰り出され(前進され)、塗布材Mが吐出口1aから出現する。 As a result, the moving body 6 moves forward by a predetermined amount with respect to the piston 7, the moving body 6 contacts the rear end surface of the piston 7 and presses the piston 7 forward, and the piston 7 moves forward with respect to the front tube 1 and the pipe member 10. To do. Therefore, the coating material M is fed out (advanced) in the front tube 1 and the pipe member 10, and the coating material M appears from the discharge port 1a.
続いて、一方向の相対回転が続けられると、移動螺子筒5の突条56が回転止筒4の突条41の前端から外れ、第1の螺合部8の螺合作用が解除され、移動螺子筒5が前進限に達する。よって、一方向の相対回転がさらに続けられると、バネ部材14の縮小の弾性力により螺合復帰するよう第1の螺合部8が付勢されながら第2の螺合部9の螺合作用のみが作用し、先筒1及びパイプ部材10に対しピストン7が前進し、塗布材Mがゆっくり前進する。 Subsequently, when the relative rotation in one direction is continued, the protrusion 56 of the moving screw cylinder 5 comes off from the front end of the protrusion 41 of the rotation stopper cylinder 4, and the screwing action of the first screwing portion 8 is released. The moving screw cylinder 5 reaches the forward limit. Therefore, when the relative rotation in one direction is further continued, the screwing action of the second screwing part 9 while the first screwing part 8 is urged so as to be screwed back by the elastic force of the reduction of the spring member 14. Only acts, the piston 7 advances with respect to the front tube 1 and the pipe member 10, and the coating material M advances slowly.
なお、第2の螺合部9の螺合作用のみが働きピストン7がさらに前進するときには、螺合解除された第1の螺合部8がバネ部材14の付勢力で螺合復帰する方向に付勢されていることから、突条41,56同士の係合及び係合解除が繰り返され(つまり、一対のクリック突起として突条41,56が互いに当接したり離れたりするのが繰り返され)、かかる係合及び係合解除の度に使用者にクリック感が付与され、塗布材Mの押出しが使用者に感知される。このとき、上述したように、突条41が突条56よりも軟らかくされている(柔軟性を有している)ため、生じるクリック感のクリック音(音量)が小さくされると共に、該クリック音が低音域で重厚なものとされる。 In addition, when only the screwing action of the second screwing part 9 works and the piston 7 further moves forward, the first screwing part 8 released from the screwing is in a direction to return to the screwing by the biasing force of the spring member 14. Since it is biased, the engagement and disengagement between the protrusions 41 and 56 are repeated (that is, the protrusions 41 and 56 are repeatedly brought into contact with and separated from each other as a pair of click protrusions). Each time such engagement and disengagement, a click feeling is given to the user, and the pushing of the coating material M is detected by the user. At this time, as described above, since the protrusion 41 is softer than the protrusion 56 (has flexibility), the click sound (volume) of the generated click feeling is reduced, and the click sound Is considered profound in the low frequency range.
ちなみに、移動螺子筒5の前進限のときには、バネ部材14の縮小の弾性力により移動螺子筒5が後方へ付勢されていることから、繰戻し方向である他方向へ本体筒2と操作筒3とが相対回転された場合、移動螺子筒5の突条56が回転止筒4の突条41における回転方向隣の先端に直ちに進入し、第1の螺合部8が直ちに螺合復帰する。 Incidentally, when the moving screw cylinder 5 is in the forward limit, the moving screw cylinder 5 is biased rearward by the elastic force of the reduction of the spring member 14, so that the main body cylinder 2 and the operating cylinder are moved in the other direction which is the retraction direction. 3 is relatively rotated, the protrusion 56 of the moving screw cylinder 5 immediately enters the tip of the protrusion 41 of the rotation stopper cylinder 4 adjacent to the rotation direction, and the first screwing portion 8 is immediately screwed back. .
次に、この状態から、本体筒2と操作筒3とが他方向へ相対回転されると、図13(a)に示すように、操作筒3及び回転止筒4に小回転力が加わり、回転止筒4の凸部44の側面44a(図4参照)が操作筒3の凸部36の側面36a(図3参照)に当接して所定係合力で周方向に係合され、操作筒3と回転止筒4とが同期回転することから、移動螺子筒5と操作筒3及び回転止筒4とが相対回転し、第1の螺合部8の螺合作用が働いて移動螺子筒5が後退し、これに伴って移動体6が後退する。これと同時に、先筒1及び移動螺子筒5と移動体6とが相対回転し、第2の螺合部9の螺合作用が働いて移動体6が後退する。すなわち、移動体6は、移動螺子筒5に伴われて後退すると同時に移動螺子筒5に対し単独でも後退する。 Next, from this state, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction, a small rotational force is applied to the operation cylinder 3 and the rotation stop cylinder 4 as shown in FIG. The side surface 44a (see FIG. 4) of the convex portion 44 of the rotation stopper cylinder 4 abuts on the side surface 36a (see FIG. 3) of the convex portion 36 of the operation cylinder 3 and is engaged in the circumferential direction with a predetermined engagement force. Since the rotation screw cylinder 4 and the rotation stopper cylinder 4 rotate synchronously, the moving screw cylinder 5, the operation cylinder 3 and the rotation stopper cylinder 4 rotate relative to each other, and the screwing action of the first screwing portion 8 works to move the movement screw cylinder 5. Retreats, and accordingly, the moving body 6 retreats. At the same time, the leading cylinder 1 and the moving screw cylinder 5 and the moving body 6 rotate relative to each other, and the moving action of the second screwing portion 9 works to move the moving body 6 backward. That is, the moving body 6 is retracted along with the moving screw cylinder 5 and at the same time is retracted independently of the moving screw cylinder 5.
その結果、移動体6がピストン7に対し所定量後退し、移動体6の先端部がピストン7環状突部7bに係合してピストン7を後方に引っ張り、先筒1に対しピストン7が後退すると共に、パイプ部材10がピストン7と一体的に後退する。よって、パイプ部材10の後退に伴われて塗布材Mも先筒1に対して繰り戻される(つまり、先筒1に対しパイプ部材10が塗布材Mとともに後退される)。 As a result, the movable body 6 moves backward by a predetermined amount with respect to the piston 7, the tip of the movable body 6 engages with the piston 7 annular protrusion 7 b and pulls the piston 7 backward, and the piston 7 moves backward with respect to the front tube 1. At the same time, the pipe member 10 is retracted integrally with the piston 7. Therefore, the coating material M is also fed back with respect to the front tube 1 as the pipe member 10 is moved backward (that is, the pipe member 10 is moved back together with the coating material M with respect to the front tube 1).
先筒1に対しパイプ部材10が後退するときには、先筒1の孔部12x及び溝部12yに突条10x,10yが回転方向に係合されていることから、先筒1に対するパイプ部材10の後退を案内(ガイド)でき、パイプ部材10を周方向に回転させずにそのまま真っ直ぐ後退させることができる。よって、パイプ部材10が移動する際、パイプ部材10の先端側の開口における傾斜角度面が、吐出口1aの傾斜角度面と常に略平行な状態にされる。 When the pipe member 10 moves backward with respect to the front tube 1, the protrusions 10 x and 10 y are engaged with the hole 12 x and the groove portion 12 y of the front tube 1 in the rotation direction. The pipe member 10 can be retreated straight without rotating in the circumferential direction. Therefore, when the pipe member 10 moves, the inclined angle surface at the opening on the distal end side of the pipe member 10 is always in a substantially parallel state with the inclined angle surface of the discharge port 1a.
続いて、他方向の相対回転が続けられると、図13(b)に示すように、移動螺子筒5の鍔部54が回転止筒4の前端面に当接し、第1の螺合部8の螺合作用が停止され、移動螺子筒5が後退限に達する。そして、第1の螺合部8における螺合作用の停止前よりも大きい操作回転力で本体筒2と操作筒3とが他方向へ相対回転され、操作筒3及び回転止筒4に大回転力が加わると、凸部44が凸部36の側面36aを駆け上がるように摺動して凸部36を乗り越え、操作筒3と回転止筒4とが相対回転(いわゆる「空回転」)される。その結果、第2の螺合部9の螺合作用のみが作用し、先筒1に対しパイプ部材10がピストン7の後退に伴って塗布材Mとともにゆっくり後退し、その後、先筒1の孔部12xの後端面にパイプ部材10の突条10xが当接する。これにより、先筒1に対するパイプ部材10の後退が停止する(パイプ部材10が後退限に達する)。 Subsequently, when the relative rotation in the other direction is continued, as shown in FIG. 13B, the flange portion 54 of the moving screw cylinder 5 comes into contact with the front end surface of the rotation stopper cylinder 4, and the first screwing portion 8. And the moving screw cylinder 5 reaches the retreat limit. Then, the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction with an operation rotational force larger than that before the stop of the screwing action in the first screwing portion 8, and a large rotational force is applied to the operation cylinder 3 and the rotation stop cylinder 4. Is applied, the convex portion 44 slides over the side surface 36a of the convex portion 36, gets over the convex portion 36, and the operation cylinder 3 and the rotation stop cylinder 4 are relatively rotated (so-called “idle rotation”). . As a result, only the screwing action of the second screwing portion 9 acts, and the pipe member 10 slowly moves back together with the coating material M as the piston 7 moves backward with respect to the leading tube 1. The protrusion 10x of the pipe member 10 contacts the rear end surface of the portion 12x. Thereby, the retreat of the pipe member 10 with respect to the front tube 1 stops (the pipe member 10 reaches the retreat limit).
続いて、他方向の相対回転が引き続き続けられると、第2の螺合部9の螺合作用のみが引き続き作用し、停止したパイプ部材10に対してピストン7が後退し、先筒1内の減圧作用(密閉状態を保つ作用)によりピストン7の後退に従って塗布材Mが先筒1内で引き戻されて後退(つまり、先筒1及びパイプ部材10に対し塗布材Mが後退)する。 Subsequently, when the relative rotation in the other direction is continued, only the screwing action of the second screwing portion 9 continues to act, the piston 7 moves backward with respect to the stopped pipe member 10, and The application material M is pulled back in the front tube 1 by the pressure reducing action (the action of keeping the sealed state) and retreats (that is, the coating material M moves back with respect to the front tube 1 and the pipe member 10).
なお、第2の螺合部9の螺合作用のみで移動体6がさらに後退する際に回転止筒4の凸部44が操作筒3の凸部36を乗り越えるとき、クリック感が生じる。すなわち、移動体6がさらに後退するに際して、凸部44,36同士の係合及び係合解除(噛合及び噛合解除)が繰り返され、かかる係合及び係合解除の度に使用者にクリック感が付与される。これにより、相対回転1回転当り8回のクリック感が生じ、ピストン7及び移動体6の後退が感知される。このとき、上述したように、凸部44が凸部36よりも軟らかくされている(柔軟性を有している)ため、生じるクリック感のクリック音が小さくされると共に、該クリック音が低音域で重厚なものとされている。 It should be noted that when the moving body 6 is further retracted only by the screwing action of the second screwing part 9, when the convex part 44 of the rotation stop cylinder 4 gets over the convex part 36 of the operation cylinder 3, a click feeling is generated. That is, when the moving body 6 is further retracted, engagement and disengagement (engagement and disengagement) of the convex portions 44 and 36 are repeated, and the user feels a click each time such engagement and disengagement occurs. Is granted. Thereby, a click feeling of 8 times per one rotation of the relative rotation is generated, and the backward movement of the piston 7 and the moving body 6 is detected. At this time, as described above, since the convex portion 44 is softer than the convex portion 36 (has flexibility), the click sound of the generated click feeling is reduced and the click sound is in the low frequency range. It is supposed to be profound.
次に、この状態から、本体筒2と操作筒3とが一方向へ再び相対回転されると、図14(a)に示すように、操作筒3と回転止筒4とが同期回転し、移動螺子筒5と操作筒3及び回転止筒4とが相対回転し、第1の螺合部8の螺合作用が働いて移動螺子筒5が前進し、これに伴って移動体6が前進する。これと同時に、先筒1及び移動螺子筒5と移動体6とが相対回転し、第2の螺合部9の螺合作用が働いて移動体6が前進する。すなわち、移動体6が移動螺子筒5に伴われて前進すると同時に移動螺子筒5に対し単独でも前進する。 Next, from this state, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction again, as shown in FIG. 14 (a), the operation cylinder 3 and the rotation stop cylinder 4 are synchronously rotated. The moving screw cylinder 5, the operation cylinder 3 and the rotation stopper cylinder 4 are rotated relative to each other, and the screwing action of the first screwing portion 8 works to move the moving screw cylinder 5 forward, and the moving body 6 moves forward accordingly. To do. At the same time, the leading cylinder 1 and the moving screw cylinder 5 and the moving body 6 are relatively rotated, and the moving action of the second screwing portion 9 works to move the moving body 6 forward. That is, the moving body 6 moves forward with the moving screw cylinder 5 and simultaneously moves forward with respect to the moving screw cylinder 5.
その結果、先筒1及びパイプ部材10に対しピストン7が前進すると共に、パイプ部材10の先端面が先筒1の段差面11cよりも後側に離れて位置し、パイプ部材10が先筒1に対し前進可能な状態であるため、パイプ部材10がピストン7と一体的に前進する。よって、パイプ部材10の前進に伴われて塗布材Mも先筒1に対して繰り出される(つまり、先筒1に対しパイプ部材10が塗布材Mとともに前進される)。このとき、前述のように、先筒1の孔部12x及び溝部12yに突条10x,10yが回転方向に係合されていることから、パイプ部材10を周方向に回転させずにそのまま真っ直ぐ前進させることができる。 As a result, the piston 7 moves forward with respect to the front tube 1 and the pipe member 10, the front end surface of the pipe member 10 is located rearward of the step surface 11 c of the front tube 1, and the pipe member 10 is moved to the front tube 1. Therefore, the pipe member 10 advances integrally with the piston 7. Accordingly, as the pipe member 10 advances, the coating material M is also fed out to the front tube 1 (that is, the pipe member 10 is advanced together with the coating material M with respect to the front tube 1). At this time, as described above, since the protrusions 10x and 10y are engaged with the hole 12x and the groove 12y of the front tube 1 in the rotation direction, the pipe member 10 is directly advanced without rotating in the circumferential direction. Can be made.
続いて、一方向の相対回転が続けられると、第1の螺合部8の螺合作用が解除され、移動螺子筒5が前進限に達した後、螺合復帰するよう第1の螺合部8がバネ部材14で付勢されながら第2の螺合部9の螺合作用のみが作用し、先筒1に対しパイプ部材10がピストン7の前進に伴って塗布材Mとともにゆっくり前進する。そしてその後、図14(b)に示すように、先筒1の段差面11cにパイプ部材10の先端面が軸線方向に係合し、先筒1に対するパイプ部材10の前進が停止する(パイプ部材10が前進限に達する)。 Subsequently, when the relative rotation in one direction is continued, the screwing action of the first screwing portion 8 is released, and after the moving screw cylinder 5 reaches the forward limit, the first screwing is performed to return the screwing. While the portion 8 is urged by the spring member 14, only the screwing action of the second screwing portion 9 acts, and the pipe member 10 moves slowly together with the coating material M as the piston 7 advances with respect to the front tube 1. . Then, as shown in FIG. 14B, the tip end surface of the pipe member 10 is engaged with the step surface 11c of the front tube 1 in the axial direction, and the advancement of the pipe member 10 with respect to the front tube 1 is stopped (pipe member). 10 reaches the forward limit).
続いて、一方向の相対回転が引き続き続けられると、図15(a)に示すように、螺合復帰するよう第1の螺合部8がバネ部材14で付勢されながら第2の螺合部9の螺合作用のみが引き続き作用し、停止したパイプ部材10内においてピストン7により塗布材Mが押し出されて前進(つまり、先筒1及びパイプ部材10に対し塗布材Mが前進)する。その後、移動体6及びピストン7が前進限に達する。 Subsequently, when the relative rotation in one direction is continued, as shown in FIG. 15A, the second screwing is performed while the first screwing portion 8 is urged by the spring member 14 so as to be screwed back. Only the screwing action of the portion 9 continues to act, and the coating material M is pushed out by the piston 7 in the stopped pipe member 10 and moves forward (that is, the coating material M moves forward with respect to the front tube 1 and the pipe member 10). Thereafter, the moving body 6 and the piston 7 reach the forward limit.
ちなみに、移動体6及びピストン7の前進限の状態では、移動体6の突条6cが操作筒3の突条37から外れているものの第2の螺合部9が螺合されたままであることから、第2の螺合部9及び移動螺子筒5を介して移動体6がバネ部材14で後方に引っ張られる。そのため、かかる前進限の状態にて本体筒2と操作筒3とが他方向へ相対回転された場合、突条6c,37同士が直ちに係合して回止め部が働き、移動体6及びピストン7が直ちに後退する。 Incidentally, in the forward limit state of the movable body 6 and the piston 7, the second threaded portion 9 remains screwed although the ridge 6c of the movable body 6 is disengaged from the ridge 37 of the operating cylinder 3. Then, the moving body 6 is pulled backward by the spring member 14 via the second screwing portion 9 and the moving screw cylinder 5. Therefore, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction in such a forward limit state, the protrusions 6c and 37 are immediately engaged with each other to act as a rotation stop, and the moving body 6 and the piston 7 moves back immediately.
次に、この状態から、本体筒2と操作筒3とが他方向へ再び相対回転されると、図15(b)に示すように、操作筒3と回転止筒4とが同期回転し、移動螺子筒5と操作筒3及び回転止筒4とが相対回転し、第1の螺合部8の螺合作用が働いて移動螺子筒5が後退し、これに伴って移動体6が後退する。これと同時に、先筒1及び移動螺子筒5と移動体6とが相対回転し、第2の螺合部9の螺合作用が働いて移動体6が後退する。すなわち、移動体6は、移動螺子筒5に伴われて後退すると同時に移動螺子筒5に対し単独でも後退する。 Next, from this state, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction again, as shown in FIG. 15B, the operation cylinder 3 and the rotation stop cylinder 4 are synchronously rotated, The moving screw cylinder 5, the operation cylinder 3 and the rotation stopper cylinder 4 are rotated relative to each other, and the screwing action of the first screwing portion 8 works to move the moving screw cylinder 5 backward, and the moving body 6 moves backward accordingly. To do. At the same time, the leading cylinder 1 and the moving screw cylinder 5 and the moving body 6 rotate relative to each other, and the moving action of the second screwing portion 9 works to move the moving body 6 backward. That is, the moving body 6 is retracted along with the moving screw cylinder 5 and at the same time is retracted independently of the moving screw cylinder 5.
その結果、上述した図13(a)に示す状態と同様に、移動体6が後退し、先筒1に対しピストン7が後退すると共に、パイプ部材10がピストン7と一体的に後退する。よって、パイプ部材10の後退に伴われて塗布材Mも先筒1に対して繰り戻される。 As a result, similarly to the state shown in FIG. 13A described above, the moving body 6 is retracted, the piston 7 is retracted with respect to the front tube 1, and the pipe member 10 is retracted integrally with the piston 7. Therefore, the coating material M is also fed back with respect to the front tube 1 as the pipe member 10 moves backward.
なお、移動体6の後端が操作筒3の本体部31の底面に近接し、移動体6の鍔部6が移動螺子筒5の前端部5xの端面に当接すると、移動体6及びピストン7が後退限に達する。この後退限の状態では、その後に他方向に相対回転されて過大な回転力が第2の螺合部9に加わっても、スリット51(図6参照)によって前端部5xが拡開されて第2の螺合部9の螺合作用が解除される。 When the rear end of the movable body 6 is close to the bottom surface of the main body 31 of the operation cylinder 3 and the flange portion 6 of the movable body 6 comes into contact with the end surface of the front end portion 5x of the movable screw cylinder 5, the movable body 6 and the piston. 7 reaches the retreat limit. In this retreat limit state, even if an excessive rotational force is applied to the second screwing portion 9 after being relatively rotated in the other direction, the front end portion 5x is expanded by the slit 51 (see FIG. 6) and the second end portion is expanded. The screwing action of the two screwing parts 9 is released.
以上に説明した繰出容器100において、充填領域1xへの塗布材Mの装填は、通常、溶融した塗布材Mを先筒1の先端側から充填領域1x内へ注入して冷却固化することで実現される。ここで、上述したように、パイプ部材10がバネ部材14により前方へ所定付勢力Fsで付勢されているため、塗布材Mの充填前においては、パイプ部材10が先筒1に対し後退することが抑制される。ここでのパイプ部材10は、塗布材Mの充填前において、バネ部材14により前方へ所定付勢力Fsで付勢されることにより所定位置に位置しており、当該所定位置よりも後退不能とされている。 In the feeding container 100 described above, charging of the coating material M into the filling region 1x is usually realized by injecting the molten coating material M into the filling region 1x from the front end side of the front tube 1 and cooling and solidifying. Is done. Here, as described above, since the pipe member 10 is urged forward by the spring member 14 with the predetermined urging force Fs, the pipe member 10 moves backward with respect to the front tube 1 before the coating material M is filled. It is suppressed. Here, the pipe member 10 is positioned at a predetermined position by being urged forward by a predetermined urging force Fs by the spring member 14 before the coating material M is filled, and cannot be retracted from the predetermined position. ing.
例えば、塗布材Mの充填前には、パイプ部材10は、前方へ所定付勢力Fsで付勢され、先筒1に対し所定位置(例えば、前進限から1mm後方の位置)まで前進した位置にある。そして、ピストン7は、パイプ部材10及びピストン7間の第1摺動抵抗力F1によりパイプ部材10の前進に伴って前方へ付勢され、一定量範囲内で移動体6に対し前進した位置にある。 For example, before filling with the coating material M, the pipe member 10 is urged forward by a predetermined urging force Fs and moved forward to a predetermined position (for example, a position 1 mm behind the forward limit) with respect to the front tube 1. is there. The piston 7 is urged forward by the first sliding resistance force F <b> 1 between the pipe member 10 and the piston 7 as the pipe member 10 advances, and is moved forward with respect to the moving body 6 within a certain amount range. is there.
この状態において、本体筒2と操作筒3とが一方向へ相対回転されると、まず、パイプ部材10が停止した状態で、移動体6がピストン7に対して第3摺動抵抗力F3により摺動しつつ前進する。その後、移動体6及びピストン7が一体的に前進し、これに伴って、第1摺動抵抗力F1によりパイプ部材10が先筒1に対し前進する。 In this state, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction, first, the moving member 6 acts on the piston 7 by the third sliding resistance force F3 with the pipe member 10 stopped. Move forward while sliding. Thereafter, the movable body 6 and the piston 7 are integrally moved forward, and accordingly, the pipe member 10 is moved forward with respect to the front tube 1 by the first sliding resistance force F1.
また、本体筒2と操作筒3とが他方向へ相対回転されると、まず、パイプ部材10が停止した状態で、移動体6がピストン7に対して第3摺動抵抗力F3により摺動しつつ後退する。その後、パイプ部材10が前方へ所定付勢力Fsで付勢されていることから、バネ部材14が一定量縮小して所定付勢力Fsが第1摺動抵抗力F1以上となるまで、移動体6及びピストン7が一体的に後退するのに伴って、第1摺動抵抗力F1によりパイプ部材10が先筒1に対し後退する。そして、所定付勢力Fsが第1摺動抵抗力F1以上となったとき(ここでは、パイプ部材10が上記所定位置に位置するとき)、本体筒2と操作筒3とが他方向へそれ以上相対回転されても、先筒1に対しパイプ部材10が後退することなくピストン7がパイプ部材10に対し後退し、パイプ部材10が後退不能とされる。 When the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction, first, the moving body 6 slides against the piston 7 by the third sliding resistance force F3 in a state where the pipe member 10 is stopped. Retreat while doing. Thereafter, since the pipe member 10 is urged forward by the predetermined urging force Fs, the movable body 6 is reduced until the spring member 14 is reduced by a certain amount and the predetermined urging force Fs becomes equal to or greater than the first sliding resistance force F1. As the piston 7 moves backward integrally, the pipe member 10 moves backward relative to the front tube 1 by the first sliding resistance force F1. When the predetermined urging force Fs becomes equal to or greater than the first sliding resistance force F1 (here, when the pipe member 10 is located at the predetermined position), the main body cylinder 2 and the operation cylinder 3 are further in the other direction. Even if it is relatively rotated, the pipe member 10 does not move backward with respect to the front tube 1, and the piston 7 moves backward with respect to the pipe member 10, so that the pipe member 10 cannot be moved backward.
或いは、パイプ部材10が前進限に位置する際の所定付勢力Fsがピストン7及びパイプ部材10間の第1摺動抵抗力F1よりも大きいと(上式(1)’のとき)、パイプ部材10は、ピストン7が後退してもこれに伴われて移動せず、常に前進限まで前進した位置にある。つまり、塗布材Mの充填前には、本体筒2及び操作筒3を他方向に相対回転されても、パイプ部材10は後退せずに前進限に常に配置されることとなる。 Alternatively, when the predetermined biasing force Fs when the pipe member 10 is positioned at the forward limit is larger than the first sliding resistance force F1 between the piston 7 and the pipe member 10 (when the above expression (1) ′), the pipe member No. 10 does not move with the piston 7 even when the piston 7 moves backward, and is always in a position where it has advanced to the forward limit. That is, before the coating material M is filled, even if the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction, the pipe member 10 is always disposed at the forward limit without retreating.
なお、所定付勢力Fsや摺動抵抗力F1〜F3の関係でパイプ部材10が前進限よりも後退した位置に配置されたとしても、本体筒2と操作筒3とを少なくとも1クリック(クリック感が1度生じる回転量)一方向に相対回転することにより、パイプ部材10を構造上確実に(機構的に)前進限に配置させることができる。 Even if the pipe member 10 is disposed at a position retracted from the forward limit because of the predetermined urging force Fs or the sliding resistance forces F1 to F3, the main body cylinder 2 and the operation cylinder 3 are at least one click (click feeling). By rotating relative to one direction, the pipe member 10 can be reliably (mechanically) disposed at the forward limit.
一方、塗布材Mの装填後においては、パイプ部材10及び塗布材M間に第2摺動抵抗力F2がさらに発生する。この点、上式(1)に示すように所定付勢力Fsは第1摺動抵抗力F1と第2摺動抵抗力F2との合計よりも小さい値とされている。或いは、上式(2)に示すように所定付勢力Fsは第1摺動抵抗力F1と第2摺動抵抗力F2と第3摺動抵抗力F3の合計よりも小さい値とされている。そのため、パイプ部材10はピストン7の摺動とともに移動可能(ピストン7の後退に伴われて移動可能)とされることとなる。よって、図12〜15に例示する繰出容器100の動作が好適に実現される。 On the other hand, after the application material M is loaded, a second sliding resistance force F2 is further generated between the pipe member 10 and the application material M. In this regard, as shown in the above equation (1), the predetermined biasing force Fs is set to a value smaller than the sum of the first sliding resistance force F1 and the second sliding resistance force F2. Alternatively, as shown in the above equation (2), the predetermined biasing force Fs is set to a value smaller than the sum of the first sliding resistance force F1, the second sliding resistance force F2, and the third sliding resistance force F3. Therefore, the pipe member 10 is movable with the sliding of the piston 7 (movable with the retreat of the piston 7). Therefore, operation | movement of the delivery container 100 illustrated to FIGS. 12-15 is implement | achieved suitably.
すなわち、例えば塗布材Mの装填後には、本体筒2と操作筒3とが一方向へ相対回転されると、上述したように、まず、パイプ部材10が停止した状態で、移動体6がピストン7に対して第3摺動抵抗力F3により摺動しつつ前進する。その後、移動体6及びピストン7が一体的に前進し、これに伴って、第1摺動抵抗力F1及び第2摺動抵抗力F2によりパイプ部材10が先筒1に対し前進する。また、本体筒2と操作筒3とが他方向へ相対回転されると、上述したように、パイプ部材10が停止した状態で、移動体6がピストン7に対して第3摺動抵抗力F3により摺動しつつ後退する。その後、移動体6及びピストン7が一体的に後退し、これに伴って、第1摺動抵抗力F1及び第2摺動抵抗力F2によりパイプ部材10が先筒1に対し後退する。 That is, for example, after the coating material M is loaded, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction, as described above, first, the moving body 6 is moved to the piston while the pipe member 10 is stopped. 7 moves forward with a third sliding resistance force F3. Thereafter, the moving body 6 and the piston 7 are integrally moved forward, and accordingly, the pipe member 10 is moved forward with respect to the front tube 1 by the first sliding resistance force F1 and the second sliding resistance force F2. Further, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction, as described above, the moving body 6 is in contact with the piston 7 with the third sliding resistance force F3 with the pipe member 10 stopped. Retreat while sliding. Thereafter, the movable body 6 and the piston 7 are integrally retracted, and accordingly, the pipe member 10 is retracted with respect to the front tube 1 by the first sliding resistance force F1 and the second sliding resistance force F2.
以上、本実施形態の繰出容器100では、先筒1に対しパイプ部材10がバネ部材14により所定付勢力Fsで前方へ付勢されていることから、例えば振動やその他の衝撃等が加わりパイプ部材10が後退しようとしても、この所定付勢力Fsでもって当該後退を抑制することができる。すなわち、パイプ部材10に塗布材Mを装填する前において、パイプ部材10が先筒1に対して後退するのを抑制可能となる。特に本実施形態では、パイプ部材10を先筒1に対し前進させ、パイプ部材10をその前進限の位置に配置可能となる。 As described above, in the feeding container 100 of the present embodiment, since the pipe member 10 is urged forward with the predetermined urging force Fs by the spring member 14 with respect to the front tube 1, for example, vibration or other impacts are applied to the pipe member. Even when 10 is about to move backward, the predetermined biasing force Fs can suppress the backward movement. That is, before the pipe member 10 is loaded with the coating material M, the pipe member 10 can be prevented from moving backward with respect to the front tube 1. In particular, in the present embodiment, the pipe member 10 can be advanced with respect to the front tube 1, and the pipe member 10 can be disposed at the forward limit position.
その結果、塗布材Mを充填領域1xに適正に装填させることができ、塗布材Mの形状品質が低下するのを抑制することが可能となる。例えば、塗布材M装填時において、パイプ部材10の先端面が先筒1の段差面11cから離れて位置し、充填領域1xの内面に段差が形成されるということを防止することができ、これにより、装填された塗布材Mに当該段差に応じた凹凸が形成されてしまうのを抑制することが可能となる。また、パイプ部材10を前進させた位置に配置できるため、塗布材Mを適正に装填させるべくパイプ部材10の繰出し操作等を行う必要性を低減できる。 As a result, the coating material M can be properly loaded in the filling region 1x, and the shape quality of the coating material M can be prevented from being deteriorated. For example, when the coating material M is loaded, it is possible to prevent the tip surface of the pipe member 10 from being positioned away from the step surface 11c of the front tube 1 and forming a step on the inner surface of the filling region 1x. Thus, it is possible to suppress the unevenness corresponding to the level difference from being formed on the loaded coating material M. Further, since the pipe member 10 can be disposed at the advanced position, it is possible to reduce the necessity of performing the feeding operation of the pipe member 10 in order to properly load the coating material M.
また、本実施形態では、上述したように、所定付勢力Fsで前方へ付勢されたパイプ部材10が、塗布材Mの装填前には所定位置より後退不能とされていると共に、塗布材Mの装填後には移動体6及びピストン7の前進及び後退に伴って先筒1に対し進退可能とされている。よって、塗布材Mの装填前にパイプ部材10が後退するのを好適に抑制できるのに加え、塗布材Mの装填後には、パイプ部材10を好適に進退させることが可能となる。 In the present embodiment, as described above, the pipe member 10 urged forward by the predetermined urging force Fs cannot be retracted from a predetermined position before the application material M is loaded, and the application material M After being loaded, the movable body 6 and the piston 7 can be moved forward and backward with respect to the front tube 1 as the forward and backward movements. Therefore, the pipe member 10 can be suitably prevented from retreating before the coating material M is loaded, and the pipe member 10 can be suitably advanced and retracted after the coating material M is loaded.
また、本実施形態では、上述したように、ピストン7及び移動体6が軸線方向に一定量相対移動可能に係合されている。そして、塗布材Mの装填前、ピストン7は、パイプ部材10及びピストン7間の第1摺動抵抗力F1により、パイプ部材10が前方へ付勢されることに伴って前方へ付勢されている。この場合、塗布材Mの装填前において、パイプ部材10が前方へ付勢されて前進したとき、当該前進に追従するようにピストン7も一定量範囲内で確実に前進させることができる。よって、塗布材Mの装填前、パイプ部材10の先筒1に対する前進がピストン7の存在で阻害される(パイプ部材10の前進を停止させるようにピストン7が作用してしまう)のを抑制できる。 In the present embodiment, as described above, the piston 7 and the moving body 6 are engaged with each other so as to be capable of relative movement in a certain amount in the axial direction. Before the application material M is loaded, the piston 7 is urged forward by the first sliding resistance force F1 between the pipe member 10 and the piston 7 as the pipe member 10 is urged forward. Yes. In this case, before the application material M is loaded, when the pipe member 10 is urged forward and moved forward, the piston 7 can also be reliably advanced within a certain amount range so as to follow the forward movement. Therefore, before the coating material M is loaded, the forward movement of the pipe member 10 with respect to the front tube 1 can be prevented from being inhibited by the presence of the piston 7 (the piston 7 acts so as to stop the forward movement of the pipe member 10). .
また、本実施形態の所定付勢力Fsは、上述したように、第1摺動抵抗力F1と第2摺動抵抗力F2との合計よりも常に小さくされている。この場合、塗布材Mの装填後にパイプ部材20をピストン7の進退に伴って進退させる上記作用効果を、好適に発揮することができる。 Further, as described above, the predetermined urging force Fs of the present embodiment is always smaller than the sum of the first sliding resistance force F1 and the second sliding resistance force F2. In this case, the above-described effect of causing the pipe member 20 to advance and retract as the piston 7 advances and retracts after the application material M is loaded can be suitably exhibited.
また、上述したように、クリック機構として第1の螺合部8が利用されており、第1の螺合部8がバネ部材14で付勢され、突条41,56同士の係合及び係合解除によってクリック感が生じている。このように、本実施形態では、パイプ部材10を前方へ付勢するバネ部材14を、突条41,56が互いに係合するよう付勢するクリック機構の弾性部材として共用することが可能となる。 Further, as described above, the first screwing portion 8 is used as the click mechanism, and the first screwing portion 8 is biased by the spring member 14 so that the protrusions 41 and 56 are engaged and engaged with each other. A click feeling is generated by the release. Thus, in this embodiment, it becomes possible to share the spring member 14 that biases the pipe member 10 forward as an elastic member of the click mechanism that biases the protrusions 41 and 56 to engage with each other. .
また、上述したように、第1の螺合部8の螺合作用が解除された状態(移動螺子筒5の前進限の状態)において、バネ部材14により移動螺子筒5が後方側へ付勢されることから、本体筒2と操作筒3とが他方向へ相対回転されると、第1の螺合部8が直ちに螺合復帰される。このように、本実施形態では、パイプ部材10を前方へ付勢するバネ部材14を、第1の螺合部8を螺合復帰するよう付勢する弾性部材としても共用することが可能となる。 Further, as described above, in a state where the screwing action of the first screwing portion 8 is released (a state in which the moving screw tube 5 is advanced), the moving screw tube 5 is urged rearward by the spring member 14. Therefore, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction, the first screwing portion 8 is immediately screwed back. As described above, in this embodiment, the spring member 14 that urges the pipe member 10 forward can be shared as an elastic member that urges the first screwing portion 8 to be screwed back. .
ちなみに、本実施形態では、以下の作用効果も奏される。 Incidentally, in this embodiment, the following effects are also exhibited.
すなわち、繰出し始め又は繰戻し始め(初期操作時)からパイプ部材10の移動が停止するまでの初期段階で、第1及び第2の螺合部8,9の螺合作用が協働して作用するため、例えば第1又は第2の螺合部8,9に異常が生じても、パイプ部材10及び塗布材Mの移動順に係る誤作動が発生するのを抑制することができる。よって、初期操作時においては、塗布材Mと接触面積が大きいパイプ部材10を先筒1に対して確実に移動させることができ、その結果、塗布材Mは、パイプ部材10に連れられて一定量確実に移動されることとなる。 That is, the screwing action of the first and second screwing portions 8 and 9 cooperates in the initial stage from the start of feeding or starting of feeding (during initial operation) until the movement of the pipe member 10 stops. Therefore, for example, even if an abnormality occurs in the first or second screwing portions 8 and 9, it is possible to suppress the occurrence of malfunction related to the order of movement of the pipe member 10 and the coating material M. Therefore, at the time of the initial operation, the pipe member 10 having a large contact area with the coating material M can be reliably moved with respect to the front tube 1, and as a result, the coating material M is brought along with the pipe member 10 to be constant. The amount is surely moved.
また、本体筒2と操作筒3とを一方向に相対回転することで、先筒1に対しパイプ部材10を、第1及び第2の螺合部8,9の螺合作用ですばやく前進させた後、第2の螺合部9の螺合作用のみでゆっくり前進させることができる。また、他方向に相対回転することで、先筒1に対しパイプ部材10を、第1及び第2の螺合部8,9の螺合作用ですばやく後退させた後、第2の螺合部9の螺合作用のみでゆっくり後退させることができる。 In addition, by rotating the main body cylinder 2 and the operation cylinder 3 in one direction, the pipe member 10 is quickly advanced with respect to the front cylinder 1 by the screwing action of the first and second screwing portions 8 and 9. Then, it can be slowly advanced only by the screwing action of the second screwing part 9. Further, by rotating relatively in the other direction, the pipe member 10 is quickly retracted by the screwing action of the first and second screwing portions 8 and 9 with respect to the front tube 1, and then the second screwing portion. 9 can be moved backward slowly only by the screwing action.
また、繰出容器100における通常の使用では、パイプ部材10の後退限以上に塗布材Mを繰り戻すこと必要性が低く、よって、パイプ部材10の後退によって塗布材Mが後退される用いられ方が多い。そのため、繰出容器100では、温度条件等に起因して塗布材Mが収縮しパイプ部材10に対する密着性ひいては上記減圧作用が低下したとしても、塗布材Mが確実に後退されることとなる。 Further, in normal use in the feeding container 100, it is less necessary to return the coating material M beyond the retreat limit of the pipe member 10, and therefore, the application material M is used by being retracted by the retraction of the pipe member 10. Many. Therefore, in the feeding container 100, even if the coating material M contracts due to temperature conditions and the like, and the adhesion to the pipe member 10 and thus the pressure reducing action is reduced, the coating material M is reliably retracted.
また、突条41が突条56よりも軟らかくされているため、生じるクリック感のクリック音を小さくしつつ(緩和しつつ)該クリック音を重厚なものとすることができる。よって、クリック音を高級感溢れる付加価値の高いものにすることができ、高級感を有するクリック感を生じさせることが可能となる。 Further, since the protrusion 41 is softer than the protrusion 56, the click sound can be made heavy while reducing (relaxing) the click sound of the generated click feeling. Therefore, it is possible to make the click sound high-value-added and high-value-added, and to produce a high-quality click feeling.
以上、本発明の好適な実施形態について説明したが、本発明に係る繰出容器は、上記実施形態に限られるものではなく、各請求項に記載した要旨を変更しない範囲で変形し、又は他のものに適用したものであってもよい。 As mentioned above, although preferred embodiment of this invention was described, the delivery container which concerns on this invention is not restricted to the said embodiment, It deform | transforms in the range which does not change the summary described in each claim, or other It may be applied to a thing.
例えば、上記実施形態では、本体筒2と操作筒3とが相対回転されると、第1及び第2の螺合部8,9の螺合作用によって先筒1に対しパイプ部材10が塗布材Mとともに移動し、第1の螺合部8の螺合作用が解除又は停止して第2の螺合部9の螺合作用のみによってパイプ部材10が塗布材Mとともに引き続き移動し、そして、パイプ部材10の前進が停止し、その後、第2の螺合部9の螺合作用のみによってパイプ部材10に対し塗布材Mが移動しているが、第1の螺合部8の螺合作用の解除タイミング又は停止タイミングは、これに限定されるものではない。 For example, in the above embodiment, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated, the pipe member 10 is applied to the front cylinder 1 by the screwing action of the first and second screwing portions 8 and 9. M is moved with M, the screwing action of the first screwing part 8 is released or stopped, and the pipe member 10 is continuously moved together with the coating material M only by the screwing action of the second screwing part 9, and the pipe The forward movement of the member 10 is stopped, and then the coating material M is moved relative to the pipe member 10 only by the screwing action of the second screwing part 9. The release timing or stop timing is not limited to this.
具体的には、第1及び第2の螺合部8,9の螺合作用によって先筒1に対しパイプ部材10が塗布材Mとともに移動した後、パイプ部材10の移動が停止し、その後、第1の螺合部8の螺合作用が解除又は停止して第2の螺合部9の螺合作用のみによってパイプ部材10に対して塗布材Mが前進してもよい。 Specifically, after the pipe member 10 moves together with the coating material M with respect to the front tube 1 by the screwing action of the first and second screwing portions 8 and 9, the movement of the pipe member 10 is stopped, and then The application material M may advance with respect to the pipe member 10 only by the screwing action of the second screwing part 9 when the screwing action of the first screwing part 8 is released or stopped.
また、上記実施形態では、繰出機構として第1及び第2の螺合部8,9による回転式のものを採用しているが、これに限定されず、例えばノック式等の機械的な押出機構や、スクイーズ式の押出機構を採用することも可能である。また、上述した雄螺子及び雌螺子は、螺子山や螺子溝だけでなく、間欠的に配される突起群、又は螺旋状且つ間欠的に配される突起群のように螺子山や螺子溝と同様な働きをするものであってもよい。 Moreover, in the said embodiment, although the rotational type by the 1st and 2nd screwing parts 8 and 9 is employ | adopted as a feeding mechanism, it is not limited to this, For example, mechanical extrusion mechanisms, such as a knock type It is also possible to employ a squeeze-type extrusion mechanism. Further, the male screw and the female screw described above are not only a screw thread or a screw groove, but also a thread group or a screw groove such as an intermittently arranged protrusion group or a spiral and intermittently disposed protrusion group. It may be one that performs a similar function.
また、上記実施形態のバネ部材10は、塗布材Mの装填前にはパイプ部材10が前進限に常に位置し且つ塗布材Mの装填後にはパイプ部材10がピストン7の進退に伴って進退するように、上式(1)に基づく所定付勢力Fsでパイプ部材10を前方へ付勢しているが、これに限定されるものではない。例えば、バネ部材10としては、パイプ部材10を前方へ付勢できる弾性部材であれば、種々のものを用いることができる。また、バネ部材14で前方へ付勢されたパイプ部材10が塗布材Mの装填前に前進限に常に位置し且つ塗布材Mの装填後にピストン7の進退に伴って進退できれば、その他の構成を採用してもよい。 Further, in the spring member 10 of the above-described embodiment, the pipe member 10 is always positioned at the forward limit before the coating material M is loaded, and the pipe member 10 moves forward and backward as the piston 7 moves forward and backward after the coating material M is loaded. As described above, the pipe member 10 is urged forward by the predetermined urging force Fs based on the above formula (1), but is not limited thereto. For example, as the spring member 10, various members can be used as long as they are elastic members that can bias the pipe member 10 forward. Further, if the pipe member 10 urged forward by the spring member 14 is always positioned at the forward limit before the coating material M is loaded and can be advanced and retracted with the advancement and retraction of the piston 7 after loading the coating material M, the other configuration can be achieved. It may be adopted.
また、塗布材Mとして、例えば、リップグロス、リップ、アイカラー、アイライナー、美容液、洗浄液、ネールエナメル、ネールケア溶液、ネールリムーバー、マスカラ、アンチエイジング、ヘアーカラー、頭髪用化粧料、オーラルケア、マッサージオイル、角栓ゆるめ液、ファンデーション、コンシーラー、スキンクリーム、マーキングペン等の筆記用具等のインク、液状の医薬品、泥状物等を始めとした液状の塗布材を用いた繰出容器に対しても勿論適用可能である。 Further, as the coating material M, for example, lip gloss, lip, eye color, eyeliner, cosmetic liquid, cleaning liquid, nail enamel, nail care solution, nail remover, mascara, anti-aging, hair color, hair cosmetics, oral care, Also for dispensing containers using liquid coating materials such as massage oil, square plug loosening liquid, foundation, concealer, skin cream, ink for writing instruments such as marking pens, liquid medicine, mud etc. Of course, it is applicable.
なお、上記において、「螺合作用の解除」とは、雄螺子と雌螺子との螺子山同士(突条41,56)の係合が外れ、螺合作用が働かなくなることを意味し、「螺合作用の停止」とは、雄螺子と雌螺子との螺子山同士(突条41,56)が係合し噛み合った状態で当接して螺合が働かなくなることを意味している。 In the above, “releasing the screwing action” means that the threads of the male screw and the female screw (projections 41, 56) are disengaged, and the screwing action does not work. The “stop of the screwing action” means that the screw threads (the protrusions 41 and 56) of the male screw and the female screw are engaged and engaged with each other, and the screwing does not work.
1…先筒(容器,容器前部)、1a…吐出口、2…本体筒(容器,容器前部)、3…操作筒(容器,容器後部)、6…移動体(移動部)、7…ピストン(移動部)、8…第1の螺合部(繰出機構,クリック機構)、9…第2の螺合部(繰出機構)、10…パイプ部材、14…バネ部材(弾性部材)、41,56…突条(クリック突起)、100…繰出容器、M…塗布材。 DESCRIPTION OF SYMBOLS 1 ... Lead cylinder (container, container front part), 1a ... Discharge port, 2 ... Main body cylinder (container, container front part), 3 ... Operation cylinder (container, container rear part), 6 ... Moving body (moving part), 7 ... Piston (moving part), 8 ... first screwing part (feeding mechanism, click mechanism), 9 ... second screwing part (feeding mechanism), 10 ... pipe member, 14 ... spring member (elastic member), 41, 56 ... protrusions (click protrusions), 100 ... feeding container, M ... coating material.
Claims (5)
前記容器は、互いに相対回転可能な容器前部と容器後部とを有し、
前記繰出機構は、前記容器前部と前記容器後部との相対回転により前記移動部を移動させ、
前記容器を構成し、先端に吐出口を有する先筒と、
前記先筒に対し前後方向に一定長摺動可能に内挿され、その内部に前記塗布材が装填されるパイプ部材と、
前記容器内に設けられ、前記パイプ部材を所定付勢力で前方へ付勢する弾性部材と、
前記容器前部と前記容器後部との相対回転に伴ってクリック感を発生させるクリック機構と、を備え、
前記クリック機構は、一対のクリック突起を有し、当該一対のクリック突起の係合及び係合解除により前記クリック感を発生させ、
前記弾性部材は、前記一対のクリック突起が互いに係合するように前記クリック機構を付勢すること、を特徴とする繰出容器。 A feeding container and a moving part are provided in the container, the moving part is moved by the feeding mechanism, and the feeding material is fed forward.
The container has a container front portion and a container rear portion that are rotatable relative to each other,
The feeding mechanism moves the moving part by relative rotation between the container front part and the container rear part,
A tip tube comprising the container and having a discharge port at the tip;
A pipe member that is slidably inserted in the front-rear direction with respect to the front tube and in which the coating material is loaded;
An elastic member provided in the container and biasing the pipe member forward with a predetermined biasing force ;
A click mechanism that generates a click feeling with relative rotation between the container front and the container rear,
The click mechanism has a pair of click protrusions, and generates the click feeling by engaging and disengaging the pair of click protrusions,
The feeding container , wherein the elastic member biases the click mechanism so that the pair of click protrusions engage with each other .
前記ピストン及び前記移動体は、軸線方向に一定量相対移動可能に係合され、
前記塗布材の装填前において、前記ピストンは、前記パイプ部材及び前記ピストン間の第1摺動抵抗力により、前記弾性部材で前記パイプ部材が前方へ付勢されることに伴って前方へ付勢されること、を特徴とする請求項1又は2記載の繰出容器。 The mobile unit includes a piston sliding said pipe member is configured to include transfer and body, and
The piston and the moving body are engaged with each other so as to be relatively movable in a certain amount in the axial direction.
Prior to loading of the coating material, the piston is urged forward as the pipe member is urged forward by the elastic member by a first sliding resistance force between the pipe member and the piston. The feeding container according to claim 1 or 2, wherein
前記弾性部材は、螺合作用が解除された前記第1の螺合部を螺合復帰するように付勢すること、を特徴とする請求項1〜4の何れか一項記載の繰出容器。 The feeding mechanism is, when the container front and said container rear portion are relatively rotated in one direction to move the moving unit by the meshing operation of the first and second engagement portion, further in the one direction When the relative rotation is performed, the screwing action of the first screwing part is released, and the moving part is continuously moved only by the screwing action of the second screwing part ,
The feeding container according to any one of claims 1 to 4 , wherein the elastic member biases the first screwing portion released from the screwing action so as to return the screwing.
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