JPS5965550A - Piston for carburetor - Google Patents
Piston for carburetorInfo
- Publication number
- JPS5965550A JPS5965550A JP17538282A JP17538282A JPS5965550A JP S5965550 A JPS5965550 A JP S5965550A JP 17538282 A JP17538282 A JP 17538282A JP 17538282 A JP17538282 A JP 17538282A JP S5965550 A JPS5965550 A JP S5965550A
- Authority
- JP
- Japan
- Prior art keywords
- installing body
- piston
- resistance
- carburetor
- chemical resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 239000000088 plastic resin Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 239000000126 substance Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004033 plastic Substances 0.000 abstract description 5
- 229930182556 Polyacetal Natural products 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000005011 phenolic resin Substances 0.000 abstract description 3
- 229920006324 polyoxymethylene Polymers 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- -1 polyaceter/l/ Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
- F02M17/40—Selection of particular materials for carburettors, e.g. sheet metal, plastic, or translucent materials
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は二輪車等に使用される気化器用ピストンに関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a piston for a carburetor used in a motorcycle or the like.
現在、気化器用ピストンはステンレス鋼、アルミニウム
等の金属材料で製作され、表面処理を行うことにより耐
水性、耐油性、耐摩耗性等の耐久性を向上せしめている
。最近、かかるピストンを軽財化、低コスト化するため
にプラスチック化することが検討されているが、ピスト
ン内面は機械的強度、耐水、耐薬品性が必要であり、外
面は耐摩耗性、熱や水による寸法安定性、耐水、耐薬品
性が要求される。Currently, carburetor pistons are made of metal materials such as stainless steel and aluminum, and are surface treated to improve durability such as water resistance, oil resistance, and abrasion resistance. Recently, consideration has been given to using plastic to make such pistons lighter and cheaper, but the inner surface of the piston needs to have mechanical strength, water resistance, and chemical resistance, while the outer surface needs to have wear resistance and heat resistance. Dimensional stability, water resistance, and chemical resistance are required.
本発明者らは気化器用ピストンのプラスチック化を種々
検討した結果、ピストンの内面と外面とをそれぞれ特定
の特性を有する異種材料で構成するとと忙より、必要な
特性を満足すると共に軽ｒ＃化及び低コスト化を達成し
たグラスチック製気化器用ピストンを発明するに至った
ものである。The inventors of the present invention have studied various ways to make a piston for a carburetor using plastic, and have found that the inner and outer surfaces of the piston can be made of different materials each having specific characteristics. This led to the invention of a glass carburetor piston that achieved cost reduction.
本発明を図面を用いて説明する。The present invention will be explained using the drawings.
第１図は本発明のピストン本体の斜視図で、第２図は第
１図の部分側断面図である。第３図はダイヤフラムを取
付けたピストンの部分側断面図である。FIG. 1 is a perspective view of the piston body of the present invention, and FIG. 2 is a partial side sectional view of FIG. 1. FIG. 3 is a partial side sectional view of the piston with the diaphragm attached.
本発明の気化器用ピスト／において、内面を構成する内
装体（１）−４１＝１機械的強度、耐吸水、耐薬品性な
どが必要であシ、耐熱性も熱変形温度において１６０℃
以上要求される。ダイヤスラム等の付属部品を取付ける
ため剛性及び大駄生産するだめの成形性も必要である。The vaporizer piston of the present invention requires mechanical strength, water absorption resistance, chemical resistance, etc., as well as heat resistance at a heat distortion temperature of 160°C.
The above is required. In order to attach accessory parts such as a diamond slam, rigidity and formability for large-scale production are also required.
これに適合するプラスチック材料としては、ポリアミド
、ポリアセター／ｌ／ 、ポリフェニレンサルファイド
、ポリエーテルエーテルケトン、ポリエーテルサルフオ
ン等、硬質の熱可塑性樹脂があり、特にポリアセタール
、ポリフェニレンサルファイドは耐薬品性、耐吸水性が
特にすぐれているので最適である。Plastic materials that are compatible with this include hard thermoplastic resins such as polyamide, polyaceter/l/, polyphenylene sulfide, polyetheretherketone, and polyethersulfon.In particular, polyacetal and polyphenylene sulfide have chemical resistance and water absorption resistance. It is ideal because of its particularly excellent properties.
本発明において外面を構成する外装体（２）は耐摩耗性
、寸法安定性、耐水、耐薬品性等が要求され、耐熱性も
熱変形温凝において１６（１℃以上必要である。これに
適合する）０ラスチツク材料としてはポリアミド、ポリ
アセタール、ポリフェニレンサルファイド、ポリエーテ
ルエーテルケトン、ポリエーテルサルフオン等の熱可塑
性樹脂、及びフェノール樹脂、エポキシ樹脂、メラミン
樹脂等の熱硬化性樹脂があり、特に、フェノール樹脂が
好ましい。In the present invention, the exterior body (2) constituting the outer surface is required to have abrasion resistance, dimensional stability, water resistance, chemical resistance, etc., and also has heat resistance of 16 (1℃ or more) in heat deformation and thermal condensation. Suitable rustic materials include thermoplastic resins such as polyamide, polyacetal, polyphenylene sulfide, polyether ether ketone, and polyether sulfon, and thermosetting resins such as phenolic resin, epoxy resin, and melamine resin. Phenolic resins are preferred.
前記の熱可塑性樹脂は内装体、外装体共に使用可能であ
るので、ピストン本体を−４種の熱ｃ１１塑性樹脂材料
で製潰することも考えられるが、次の点で本発明の二層
構面が好ましい。Since the above-mentioned thermoplastic resin can be used for both the inner body and the outer body, it is conceivable to crush the piston body with -4 type of thermo-C11 plastic resin material, but the two-layer structure of the present invention has the following points. A surface is preferred.
（１） 内装体と外装体では要求特性が異なるので一
種の熱ｎＪ塑性樹脂でその特性をすべて満足させること
は困難である。(1) Since the required characteristics are different for the interior and exterior bodies, it is difficult to satisfy all of the characteristics with a type of thermal nJ plastic resin.
（２）同じタイプの樹脂でも種々のグレードがあり、他
の添加材（強化材など）を加えることにより数置もでき
るので、二ノー構債とすることにより樹脂選択の幅が大
きくなる。(2) There are various grades of the same type of resin, and several grades can be made by adding other additives (reinforcing materials, etc.), so the Nino structure increases the range of resin selection.
内装体用材料には機械的強度を向上させるために、通常
ガラス繊維、炭素繊維、芳香族ポリ了ミド繊維を拐料中
に配合する。In order to improve the mechanical strength of interior body materials, glass fibers, carbon fibers, and aromatic polyimide fibers are usually blended into the filler.
外装体用材料には寸法安定性、耐熱性を向上させるため
に無機質フィラーをグラスチック拐料中に配合する。こ
の配合量は組成物全体に対して熱可塑性樹脂では１０〜
４０重匿チ、熱硬化性樹脂では加〜５０重量％が適当で
ある。In order to improve the dimensional stability and heat resistance of the material for the exterior body, an inorganic filler is blended into the glass material. This blending amount is 10 to 10% for the thermoplastic resin based on the entire composition.
For thermosetting resins, it is appropriate to add 40% by weight to 50% by weight.
外装体表面は耐摩耗性を向上させるために無機質フィラ
ーをきまない樹脂からなる耐久層を設けることが好まし
い。In order to improve wear resistance, it is preferable to provide a durable layer made of a resin that does not cut through the inorganic filler on the surface of the exterior body.
本発明の気化器用ピストンを成形するためには、内装′
体をまず成形し、つづいてこれをインサートとして外装
体を成形するか、またはその逆の工程をとる。外装体が
熱硬化性樹脂からなる場合は後者の工程をとるのがよい
。このようなダブルモールドでは、先に成形される成形
体の接合面には溝加工、表面粗化、接着剤塗布等を行っ
て画成形体の密着力を向上させることができる。In order to mold the carburetor piston of the present invention, the interior
Either the body is first formed and then used as an insert to form the outer body, or vice versa. When the exterior body is made of thermosetting resin, it is preferable to take the latter step. In such a double mold, the adhesion of the image molded object can be improved by performing groove processing, surface roughening, adhesive coating, etc. on the joint surface of the molded object that is molded first.
ピストン本体の成形後ダイヤフラム等の付属部品を外装
体が被覆されていない内装体の外側（ｌａ）、に接層、
融着、ネジ止めにより取付ける。内装体（りは硬質熱可
塑性樹脂で成形されているので、前記取付けは容易であ
る。After molding the piston body, attach the attached parts such as the diaphragm to the outside (la) of the inner body where the outer body is not covered.
Attach by fusing or screwing. Since the interior body is molded from hard thermoplastic resin, the installation is easy.
本発明の気化器用ピストンは次のような特長を有してい
る。The carburetor piston of the present invention has the following features.
（１）金属製ピストンに比較して軽吋である。(1) It is lighter than a metal piston.
（１１） ダイヤフラム等の付属部品の取付けが容易
である。(11) It is easy to attach attached parts such as diaphragms.
（１ｉｉ） ’ラスチック成形により得られるので、
寸法精度がすぐれている。また大量生産でき、低コスト
化も達成できる。(1ii) 'Because it is obtained by plastic molding,
Excellent dimensional accuracy. Moreover, mass production is possible and cost reduction can be achieved.
（ＩＶ） 内装体、外装体共にグラスチックでかつ異
種材料であるので、材料選択の幅が大きい。(IV) Since both the interior and exterior bodies are made of glass and different materials, there is a wide range of material selection.
第１図は本発明の気化器用ピストン本体の斜視図である
。第２図は第１図の部分断面側面図である。第３図はダ
イヤフラムを取付けた気化器用ピストンの部分断面側面
図である。
（１） 内装体 （２）外装体特許出願人
住友ベークライト株式会社四 三国工業株式会社
第１図
第２図
第３図FIG. 1 is a perspective view of a piston body for a carburetor according to the present invention. FIG. 2 is a partially sectional side view of FIG. 1. FIG. 3 is a partially sectional side view of a carburetor piston with a diaphragm attached. (1) Interior body (2) Exterior body patent applicant
Sumitomo Bakelite Co., Ltd. 4 Mikuni Industries Co., Ltd. Figure 1 Figure 2 Figure 3
Claims (1)
、前記内装体と一体的に形成された前記熱可塑性樹脂よ
り耐摩耗性のすぐれた熱可塑性樹脂又は熱硬化性（耐層
よりなる外装体とからなるピストン本体にダイヤスラム
等の付属部品が接着、融着、ネジ止めにより取付けられ
ている気化器用ピストン。A thin cylindrical inner body made of a hard heat o]' plastic resin, and a thermoplastic resin or thermosetting resin (layer resistant A carburetor piston in which attached parts such as a diaphragm are attached to the piston body, which consists of an exterior body, by gluing, fusing, or screwing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17538282A JPS5965550A (en) | 1982-10-07 | 1982-10-07 | Piston for carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17538282A JPS5965550A (en) | 1982-10-07 | 1982-10-07 | Piston for carburetor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5965550A true JPS5965550A (en) | 1984-04-13 |
Family
ID=15995125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17538282A Pending JPS5965550A (en) | 1982-10-07 | 1982-10-07 | Piston for carburetor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5965550A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6161956A (en) * | 1984-09-03 | 1986-03-29 | Sumitomo Bakelite Co Ltd | carburetor piston |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941651B2 (en) * | 1980-09-05 | 1984-10-08 | 日産化学工業株式会社 | Method for producing polybutene-1 |
-
1982
- 1982-10-07 JP JP17538282A patent/JPS5965550A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941651B2 (en) * | 1980-09-05 | 1984-10-08 | 日産化学工業株式会社 | Method for producing polybutene-1 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6161956A (en) * | 1984-09-03 | 1986-03-29 | Sumitomo Bakelite Co Ltd | carburetor piston |
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