JP3928747B2 - Plastic compression spring - Google Patents

Plastic compression spring Download PDF

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Publication number
JP3928747B2
JP3928747B2 JP19158896A JP19158896A JP3928747B2 JP 3928747 B2 JP3928747 B2 JP 3928747B2 JP 19158896 A JP19158896 A JP 19158896A JP 19158896 A JP19158896 A JP 19158896A JP 3928747 B2 JP3928747 B2 JP 3928747B2
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Prior art keywords
synthetic resin
connectors
spring
inclined ring
end member
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JP19158896A
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JPH1019071A (en
Inventor
當麻　　徹
岸　　隆生
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material

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  • Reciprocating Pumps (AREA)
  • Springs (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、合成樹脂製圧縮スプリング、詳しくは主として合成樹脂製のトリガー式、又はヘッド押下げ式の液体注出ポンプ等に使用する合成樹脂製の圧縮スプリングに関する。
【０００２】
【従来の技術】
液体注出ポンプは操作の違いにより、ヘッド押下げ式とトリガー式とに大別されるが、前者のヘッド押下げ式液体注出ポンプでは作動部材を上下動させ、又後者のトリガー式液体注出ポンプはトリガー操作でプランジャを前後動させて、容器本体内の液体を吸上げ、該液体を加圧してノズルから注出するようにしている。作動部材の上下動は、ヘッドの「押下げる」，「放す」の繰返し操作により、又プランジャの前後動は、トリガーの「引き寄せ」，「放す」の繰返し操作により、それぞれ行われるが、何れの液体注出ポンプの場合にも「放す」の操作で、押下げたヘッド下方の筒状ピストンを、又引き寄せたトリガーによりシリンダ内へ押込まれたプランジャをそれぞれ自動的に元の位置に復帰させるようにしている。このため、何れの形式の液体注出ポンプでも金属製の圧縮スプリングを使用している。
【０００３】
【発明が解決しようとする課題】
ところで、最近では、限りある資源を有効活用するために、使用済み商品等を廃棄するとき、例えば金属、合成樹脂、ガラス等の素材毎に分別して廃棄させ、回収した各素材を再利用するようにしている。しかしながら、上述した従来の圧縮スプリングが金属製であると、該圧縮スプリングを除く、全ての各部材を合成樹脂材で成形したヘッド押下げ式、又はトリガー式液体注出ポンプでは、そのまま廃棄できず、液体注出ポンプ内から、圧縮スプリングを取出して分別廃棄しなければならないため、その廃棄に手間がかかるという問題がある。
【０００４】
本発明は、液体注出ポンプに用いられる圧縮スプリングとして使用でき、しかも液体注出ポンプ等を分別廃棄するときに、分解せずにそのまま廃棄できるようにした合成樹脂製スプリングを提供することを主目的とする。しかし、本発明の合成樹脂製圧縮スプリングは、その他各種用途にも使用できることは云うまでもない。
【０００５】
【課題を解決するための手段】
第１の手段として仮想円筒体の上下両端を、リング状ないし平板状等の円形端部材1a, 1bで形成すると共に、
それ等端部材間の仮想筒壁部分を、上記仮想円筒体を斜めに、かつ平行に切断した形状の複数の傾斜リング２と、
各傾斜リングを上下方向へ、かつ交互に左右反対方向へ傾斜させて配置して、それぞれ下位傾斜リングの上端部と上位傾斜リングの下端部とを連結する、複数の結合子３とで形成し、
又上記仮想筒壁部分の上端に位置する傾斜リングの上端部と上方端部材1aの外縁部下面一部とを、かつ下端に位置する傾斜リングの下端部と下方端部材1bの外縁部上面一部とを、それぞれ結合子３を介して連結し、
上記各結合子３は、傾斜リング一部を形成する線条断面の横巾よりも薄肉でかつ傾斜リングの上下両端部のいずれか一方の内縁部から垂下ないし起立する、横断面円弧条をなす薄板で形成し、
全体を弾性に富む合成樹脂材で一体成形した。
【０００６】
第２の手段として、上記第１の手段を有すると共に結合子３の数を左右それぞれ同数とした。
【０００７】
第３の手段として、請求項２記載の複数の合成樹脂製スプリングを、下位スプリングの上方端部材1aと上位スプリングの下方端部材1bとを重合せに連結して、一箇の端部材とした形状に形成し、かつ左右に位置する結合子３を下方から上方へ左右交互に、又左右同数設け、全体を合成樹脂材で一体成形した。
【０００８】
【発明の実施の形態】
図１から図３は、本発明合成樹脂製圧縮スプリングの第１実施形態を示す。該第１実施形態のスプリングは、仮想、つまり想定された円筒体の上下両端をリング状の円形端部材1a，1bで形成する。
又それ等円形端部材間の仮想筒壁部分を、上記仮想円筒体を斜めに、かつ平行に切断した形状の複数の傾斜リング２と、それ等傾斜リングを連結する複数の結合子３とで、図１が示すように、各傾斜リングを上下方向へ、かつ交互に左右反対方向へ傾斜させて配置して、それぞれ下位傾斜リングの上端部と上位傾斜リングの下端部とを結合子３で連結して形成する。
又上記仮想筒壁部分の上端に位置する傾斜リングの上端部と上方端部材1aの外縁部下面一部とを、かつ下端に位置する傾斜リングの下端部と下方端部材1bの外縁部上面一部とを、それぞれ結合子３を介して連結する。
【０００９】
各結合子３は、図３が示すように、傾斜リング２一部を形成する線条の断面横巾よりも薄肉で、かつ傾斜リングの上下両端部のいずれか一方の内縁部から垂下ないし起立する、横断面円弧状をなす薄板で形成する。該結合子の傾斜リング円周方向の巾は全周の約８分の１から４分の１程度とすればよい。
既述端部材1a，1bは、図示例においてリングで形成したが、円板に代えることも出来る。
【００１０】
既述結合子３の数は、左右それぞれ同数とするとよい。いずれか一方の数が多いと、つまり上下端部材と連結する二つの結合子を左右いずれかの一方にだけ位置させると、左右の結合子の数が、その一方は奇数、他方は偶数となり、すると結合子の数の差によりスプリング圧縮時の形状において、中間部が一方へ弯曲を生じ易く、スプリングの長さが長くなるにつれてその傾向は大となる。
【００１１】
スプリングの全体長さが大となる場合は、図４から図６が示すように形成するとよい。この場合はスプリング長さ方向の中間に中位端部材1cを設けたもので、図１から図３が示すようなスプリングを、上下に重ねて下位スプリングの上方端部材と、上位スプリングの下方端部材とを重ね合せに連結して、一箇の端部材とした形状に形成し、かつ左右に位置する結合子３を下方から上方へ、左右交互に、又左右同数設ければよい。
既述の各スプリングは、それぞれ弾性に富む合成樹脂材で一体成形する。
【００１２】
【発明の効果】
本発明は既述構成とするもので、請求項１から請求項３記載の各スプリングは、すべて合成樹脂材で一体成形したから、既述合成樹脂製の液体注出ポンプ等に使用することで、金属製スプリングを使用した場合のように、その金属製スプリングだけをポンプから外して分別廃棄しなくともよく、
又請求項１記載のスプリングは、仮想筒体の上下両端をリング状ないし平板状等の円形端部材1a，1bで形成すると共に、
それ等端部材間の仮想筒壁部分を、上記仮想円筒体を斜めに、かつ平行に切断した形状の複数の傾斜リングと、これ等傾斜リングを上下方向へ、かつ交互に左右反対方向へ傾斜させて配置して、それぞれ下位傾斜リングの上端部と上位傾斜リングの下端部とを連結する、複数の結合子３とで形成し、
又上端に位置する傾斜リングの上端部と上方端部材1aの外縁部下面一部とを、かつ下端に位置する傾斜リングの下端部と下方端部材1bの外縁部上面一部とを、それぞれ結合子３を介して連結し、又結合子３は、傾斜リング一部を形成する線条断面の横巾よりも薄肉でかつ傾斜リングの上下両端部のいずれか一方の内縁部から垂下ないし起立する、横断面円弧状をなす薄板で形成したから、主として薄く設けた結合子３の弾性変形によりスプリングを圧縮させ、又その結合子の弾性復元によりスプリングを原形に復帰させることとなり、よって該スプリングの伸縮を無理なく確実に行わせることが出来る。
【００１３】
請求項２の場合は、上記請求項１記載のスプリングが有する効果のほか、その結合子３の数を左右同数としたから、主としてその結合子によって行うスプリングの伸縮を左右バランスよく行わせることも出来、よってスプリング圧縮時、その中間部の傾斜リングが側方へ張り出すことを防止することが出来る。
【００１４】
請求項３記載のスプリングは、請求項２記載スプリングの効果を有するほか、請求項２記載のスプリングを上下に重合せに連結して、上下スプリングの端部材を一箇の端部材とした形状に形成し、かつ左右に位置する結合子３を下方から上方へ左右交互に、又左右同数設けたから、それ等構成によりスプリング圧縮時にスプリングの中間部が側方へ張出して弯曲しないようにする効果を更に確実とすることが出来、スプリング全長を長くする場合に特に有用である。
【図面の簡単な説明】
【図１】 本発明スプリングの斜視図である。
【図２】 図１スプリングの側面図である。
【図３】 図２Ａ−Ａ線の断面図である。
【図４】 実施形態を異にして示す、本発明スプリングの斜視図である。
【図５】 図４スプリングの側面図である。
【図６】 図５Ｂ−Ｂ線を矢示方向へみた断面図である。
【符号の説明】
1a…上方端部材 1b…下方端部材
２…傾斜リング ３…結合子[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a synthetic resin compression spring, and more particularly to a synthetic resin compression spring used mainly for a synthetic resin trigger type or head push-down type liquid dispensing pump.
[0002]
[Prior art]
Liquid dispensing pumps are roughly classified into head-pushing and trigger types depending on the operation, but the former head-pushing liquid dispensing pump moves the operating member up and down, and the latter trigger-type liquid dispensing. The delivery pump moves the plunger back and forth by a trigger operation, sucks up the liquid in the container body, pressurizes the liquid, and dispenses it from the nozzle. The vertical movement of the actuating member is performed by repeated operations of “pressing down” and “release” of the head, and the forward and backward movement of the plunger is performed by repeated operations of “pulling” and “release” of the trigger. In the case of a liquid dispensing pump, the "release" operation automatically returns the cylindrical piston below the depressed head and the plunger pushed into the cylinder by the pulled trigger. I have to. For this reason, any type of liquid dispensing pump uses a metal compression spring.
[0003]
[Problems to be solved by the invention]
By the way, recently, in order to effectively use limited resources, when disposing of used products, etc., for example, the materials such as metal, synthetic resin, glass, etc. are separated and discarded, and the collected materials are reused. I have to. However, if the above-described conventional compression spring is made of metal, it cannot be discarded as it is with a head-push-type or trigger-type liquid dispensing pump in which all members other than the compression spring are molded with a synthetic resin material. However, since the compression spring must be taken out from the liquid dispensing pump and disposed of separately, there is a problem that the disposal is troublesome.
[0004]
The present invention mainly provides a synthetic resin spring that can be used as a compression spring used in a liquid dispensing pump and can be disposed of without being disassembled when the liquid dispensing pump or the like is disposed of separately. Objective. However, needless to say, the synthetic resin compression spring of the present invention can be used for various other purposes.
[0005]
[Means for Solving the Problems]
As a first means, the upper and lower ends of the virtual cylindrical body are formed by circular end members 1a, 1b such as a ring shape or a flat plate shape,
A plurality of inclined rings 2 having a shape obtained by cutting the virtual cylindrical wall portion between the end members obliquely and in parallel with the virtual cylindrical body;
Each of the inclined rings is formed by a plurality of connectors 3 that are arranged to be inclined in the vertical direction and alternately in the opposite left and right directions, and respectively connect the upper end portion of the lower inclined ring and the lower end portion of the upper inclined ring. ,
Also, the upper end of the inclined ring positioned at the upper end of the virtual cylindrical wall portion and a part of the lower surface of the outer edge portion of the upper end member 1a are aligned with the upper surface of the lower end portion of the inclined ring positioned at the lower end and the upper surface of the outer edge portion of the lower end member 1b. Are connected to each other via a connector 3,
Each of the above-mentioned connectors 3 has a cross-section arc strip that is thinner than the width of the cross-section of the filament forming part of the inclined ring and that hangs down or rises from the inner edge of either one of the upper and lower ends of the inclined ring. Formed from thin plates,
The whole was integrally molded with a synthetic resin material rich in elasticity.
[0006]
As a second means, the first means is provided, and the number of connectors 3 is the same for each of the left and right.
[0007]
As a third means, a plurality of synthetic resin springs according to claim 2 are connected to each other by superposing the upper end member 1a of the lower spring and the lower end member 1b of the upper spring into one end member. The connectors 3 formed in a shape and located on the left and right are provided alternately from left to right and from left to right, and the same number of left and right are provided, and the whole is integrally formed of a synthetic resin material.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
1 to 3 show a first embodiment of the synthetic resin compression spring of the present invention. The spring of the first embodiment is formed by ring-shaped circular end members 1a and 1b at the upper and lower ends of a hypothetical or assumed cylinder.
Further, the virtual cylindrical wall portion between the circular end members is composed of a plurality of inclined rings 2 having a shape obtained by cutting the virtual cylindrical body obliquely and in parallel, and a plurality of connectors 3 connecting the inclined rings. As shown in FIG. 1, the inclined rings are arranged to be inclined in the vertical direction and alternately in the opposite directions, and the upper end portion of the lower inclined ring and the lower end portion of the upper inclined ring are respectively connected by the connector 3. Connect to form.
Also, the upper end of the inclined ring positioned at the upper end of the virtual cylindrical wall portion and a part of the lower surface of the outer edge portion of the upper end member 1a are aligned with the upper surface of the lower end portion of the inclined ring positioned at the lower end and the upper surface of the outer edge portion of the lower end member 1b. Are connected to each other via a connector 3.
[0009]
As shown in FIG. 3, each connector 3 is thinner than the cross-sectional width of the filament forming part of the inclined ring 2, and hangs or rises from the inner edge of one of the upper and lower ends of the inclined ring. It is formed of a thin plate having an arc shape in cross section. The width of the connector in the circumferential direction of the inclined ring may be about 1/8 to 1/4 of the entire circumference.
Although the end members 1a and 1b described above are formed by rings in the illustrated example, they can be replaced by disks.
[0010]
The number of the above-described connectors 3 is preferably the same on the left and right. If the number of either one is large, that is, if the two connectors connected to the upper and lower end members are positioned only on one of the left and right, the number of the left and right connectors will be odd, and the other will be even, Then, due to the difference in the number of connectors, in the shape when the spring is compressed, the intermediate portion is likely to bend to one side, and this tendency increases as the length of the spring increases.
[0011]
When the overall length of the spring is large, it is preferable to form the spring as shown in FIGS. In this case, the middle end member 1c is provided in the middle of the spring length direction, and the upper end member of the lower spring and the lower end of the upper spring are stacked with the springs shown in FIGS. The members 3 are connected to each other so as to form one end member, and the right and left connectors 3 may be provided alternately from left to right and from left to right, and from the left and right.
Each of the springs described above is integrally formed of a synthetic resin material rich in elasticity.
[0012]
【The invention's effect】
The present invention is configured as described above, and since each spring according to claims 1 to 3 is integrally formed of a synthetic resin material, it can be used for a liquid dispensing pump made of the above-described synthetic resin. Just like using a metal spring, you don't have to remove only the metal spring from the pump and dispose of it separately.
In the spring according to claim 1, the upper and lower ends of the virtual cylinder are formed by circular end members 1a, 1b such as a ring shape or a flat plate shape,
The virtual cylindrical wall portion between these end members is inclined in the vertical direction and alternately in the left and right direction, with a plurality of inclined rings formed by cutting the virtual cylindrical body obliquely and in parallel. And a plurality of connectors 3 that connect the upper end portion of the lower inclined ring and the lower end portion of the upper inclined ring, respectively,
Also, the upper end portion of the inclined ring located at the upper end and the lower surface portion of the outer edge portion of the upper end member 1a are combined, and the lower end portion of the inclined ring positioned at the lower end and the upper surface portion of the outer edge portion of the lower end member 1b are combined. The connector 3 is connected via a child 3, and the connector 3 is thinner than the lateral width of the cross-section of the filament forming part of the inclined ring and hangs or stands from either inner edge of the upper and lower ends of the inclined ring. The spring is compressed mainly by elastic deformation of the thinly provided connector 3, and the spring is restored to its original shape by elastic recovery of the connector. Expansion and contraction can be performed without difficulty.
[0013]
In the case of claim 2, in addition to the effect of the spring of claim 1 above, the number of the connectors 3 is the same in the left and right, so that the expansion and contraction of the spring mainly performed by the connectors can be performed with a good balance between left and right. Therefore, when the spring is compressed, it is possible to prevent the inclined ring in the middle part from protruding sideways.
[0014]
The spring according to claim 3 has the effect of the spring according to claim 2, and is connected to the spring according to claim 2 in a superposed manner so that the end members of the upper and lower springs form one end member. Since the connector 3 formed and provided on the left and right is alternately arranged from left to right and from left to right, and the same number of right and left is provided, the effect of preventing the middle portion of the spring from protruding sideways when the spring is compressed by such a configuration. Further, it can be ensured and is particularly useful when the total length of the spring is increased.
[Brief description of the drawings]
FIG. 1 is a perspective view of a spring of the present invention.
FIG. 2 is a side view of the spring in FIG.
FIG. 3 is a sectional view taken along line 2A-A in FIG.
FIG. 4 is a perspective view of a spring of the present invention, showing different embodiments.
FIG. 5 is a side view of the spring.
6 is a cross-sectional view taken along line B-B in the direction of the arrow. FIG.
[Explanation of symbols]
1a ... Upper end member 1b ... Lower end member 2 ... Inclined ring 3 ... Connector

Claims (3)

仮想円筒体の上下両端を、リング状ないし平板状等の円形端部材1a, 1bで形成すると共に、
それ等端部材間の仮想筒壁部分を、上記仮想円筒体を斜めに、かつ平行に切断した形状の複数の傾斜リング２と、
各傾斜リングを上下方向へ、かつ交互に左右反対方向へ傾斜させて配置して、それぞれ下位傾斜リングの上端部と上位傾斜リングの下端部とを連結する、複数の結合子３とで形成し、
又上記仮想筒壁部分の上端に位置する傾斜リングの上端部と上方端部材1aの外縁部下面一部とを、かつ下端に位置する傾斜リングの下端部と下方端部材1bの外縁部上面一部とを、それぞれ結合子３を介して連結し、
上記各結合子３は、傾斜リング一部を形成する線条断面の横巾よりも薄肉でかつ傾斜リングの上下両端部のいずれか一方の内縁部から垂下ないし起立する、横断面円弧条をなす薄板で形成し、
全体を弾性に富む合成樹脂材で一体成形した
ことを特徴とする合成樹脂製圧縮スプリング。The upper and lower ends of the virtual cylinder are formed by circular end members 1a, 1b such as a ring shape or a flat plate shape,
A plurality of inclined rings 2 having a shape obtained by cutting the virtual cylindrical wall portion between the end members obliquely and in parallel with the virtual cylindrical body;
Each of the inclined rings is formed by a plurality of connectors 3 that are arranged to be inclined in the vertical direction and alternately in the opposite left and right directions, and respectively connect the upper end portion of the lower inclined ring and the lower end portion of the upper inclined ring. ,
Also, the upper end of the inclined ring positioned at the upper end of the virtual cylindrical wall portion and a part of the lower surface of the outer edge portion of the upper end member 1a are aligned with the upper surface of the lower end portion of the inclined ring positioned at the lower end and the upper surface of the outer edge portion of the lower end member 1b. Are connected to each other via a connector 3,
Each of the above-mentioned connectors 3 has a cross-section arc strip that is thinner than the width of the cross-section of the filament forming part of the inclined ring and that hangs down or rises from the inner edge of either one of the upper and lower ends of the inclined ring. Formed from thin plates,
A synthetic resin compression spring, which is integrally formed of a synthetic resin material rich in elasticity. 結合子３の数を左右それぞれ同数としたことを特徴とする請求項１記載の合成樹脂製圧縮スプリング。The synthetic resin compression spring according to claim 1, wherein the number of connectors (3) is the same on each of the left and right sides. 請求項２記載の複数の合成樹脂製スプリングを、下位スプリングの上方端部材1aと上位スプリングの下方端部材1bとを重合せに連結して、一箇の端部材とした形状に形成し、かつ左右に位置する結合子３を下方から上方へ左右交互に、又左右同数設け、全体を合成樹脂材で一体成形したことを特徴とする合成樹脂製圧縮スプリング。A plurality of synthetic resin springs according to claim 2, wherein the upper end member 1a of the lower spring and the lower end member 1b of the upper spring are connected in a superposed manner to form a single end member, and A synthetic resin compression spring characterized in that the right and left connectors 3 are provided alternately from left to right and from left to right, and the same number of left and right connectors are formed integrally with a synthetic resin material.
JP19158896A 1996-07-01 1996-07-01 Plastic compression spring Expired - Fee Related JP3928747B2 (en)

Priority Applications (1)

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JP19158896A JP3928747B2 (en) 1996-07-01 1996-07-01 Plastic compression spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19158896A JP3928747B2 (en) 1996-07-01 1996-07-01 Plastic compression spring

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JPH1019071A JPH1019071A (en) 1998-01-20
JP3928747B2 true JP3928747B2 (en) 2007-06-13

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ID=16277146

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WO2022136609A1 (en) * 2020-12-22 2022-06-30 Alpla Werke Alwin Lehner Gmbh & Co. Kg Pump dispenser
US20230104389A1 (en) * 2021-10-05 2023-04-06 Sunsoo Kim Elastic member for pump dispenser

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KR20020035811A (en) * 2002-04-22 2002-05-15 성명재 The spring device formed synthetic resin
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JP2012137292A (en) * 2009-04-08 2012-07-19 Alps Electric Co Ltd Probe card
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CN114803126A (en) * 2022-06-06 2022-07-29 中山市美捷时包装制品有限公司 All-plastic recyclable pressing pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022136609A1 (en) * 2020-12-22 2022-06-30 Alpla Werke Alwin Lehner Gmbh & Co. Kg Pump dispenser
US20230104389A1 (en) * 2021-10-05 2023-04-06 Sunsoo Kim Elastic member for pump dispenser

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