JPS6032409Y2 - Synthetic resin cover installation device - Google Patents
Synthetic resin cover installation deviceInfo
- Publication number
- JPS6032409Y2 JPS6032409Y2 JP15096580U JP15096580U JPS6032409Y2 JP S6032409 Y2 JPS6032409 Y2 JP S6032409Y2 JP 15096580 U JP15096580 U JP 15096580U JP 15096580 U JP15096580 U JP 15096580U JP S6032409 Y2 JPS6032409 Y2 JP S6032409Y2
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- resin cover
- flange part
- flange
- installation device
- 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.)
- Expired
Links
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
この考案は合成樹脂製のカバー主として車両用内燃機関
部品としての合成樹脂製カバーの取付は装置に関する。[Detailed Description of the Invention] This invention relates to a device for attaching a synthetic resin cover mainly used as a vehicle internal combustion engine component.
最近、車両用の内燃機関では、軽量化とコストの低減を
図って第１図に示すシリンダへラドカバーａやタイミン
グベルトカバーｂ（内部には燃料噴射ポンプのプーリー
やベルトが収容されている）などを合成樹脂製とするこ
とが進められているが、一般に合成樹脂は金属に比べて
剛性が低いために、上記の合成樹脂製品をそのまま金属
製品である機関本体Ｅにボルト止めしたのでは、その締
め付は力に耐えられずフランジ部にひび割れを起こすと
ころから、通常第２図イ９口に示すように高さがフラン
ジ部１′の肉厚より若干中さい（０，１ｍ程度）金属カ
ラー２′を通孔１ａ’に嵌合し、このカラー２′にボル
ト３′の締め付は力の一部を負担させ、締め付は力の全
部がフランジ部１′にかからないようにしている。Recently, in internal combustion engines for vehicles, in an effort to reduce weight and cost, the cylinder shown in Figure 1 is equipped with a rad cover a and a timing belt cover b (inside of which the pulley and belt of the fuel injection pump are housed). However, since synthetic resins generally have lower rigidity than metals, it is not possible to simply bolt the synthetic resin product above to the engine body E, which is a metal product. Since tightening cannot withstand the force and causes cracks in the flange, a metal collar whose height is slightly medium (approximately 0.1 m) than the wall thickness of the flange 1' is usually used, as shown in Figure 2 A9. 2' is fitted into the through hole 1a', and this collar 2' bears part of the force when tightening the bolt 3', but the entire tightening force is not applied to the flange portion 1'.
しかし、このやり方では、ボルト３′の締め付は力がな
おワッシャー４′を介してフランジ部１′のほぼ全面に
作用し、また、カバー製品の成形に際してフランジ部１
′の前端部には溶融樹脂の合流線いわゆるウェルド５′
が生じ易く、この部分の強度は他の部分より弱い（大体
５０％程度）ために、ボルト３′を締付けると在住にし
てウェルド部分が図示点線のようにひび割れを起こすこ
とになり、そして、成形特におけるフランジ部１′の肉
厚のバラツキによる締付は圧縮量の変化が更にこれを助
長している。However, in this method, when tightening the bolt 3', the force still acts on almost the entire surface of the flange part 1' through the washer 4', and when forming the cover product, the force is applied to almost the entire surface of the flange part 1'.
At the front end of ', there is a confluence line of molten resin called weld 5'.
The strength of this part is weaker than other parts (approximately 50%), so when the bolt 3' is tightened, the weld part will crack as shown by the dotted line in the figure, and the molding In particular, tightening due to variations in the wall thickness of the flange portion 1' is further exacerbated by changes in the amount of compression.
そこで、この考案は上記の欠点を解消すべくなされたも
ので、フランジ部のウェルドのでき易い前半部表面に外
方が肉薄となるような斜面を形成し、取付は時における
ボルトの締付は力がウェルド部にかからないようにして
亀裂の発生を防ぐようにした合成樹脂製カバーの取付は
装置を提供するものである。Therefore, this idea was devised to eliminate the above-mentioned drawbacks.The front half surface of the flange part, where welding is likely to occur, is formed with an inclined surface that is thinner on the outside, making it difficult to tighten the bolts during installation. The installation of the synthetic resin cover in such a way that forces are not applied to the welds and thus prevents cracks is provided for the device.
第３図、第４図はこの考案の実施例を示すものであり、
１は上述のように合成樹脂製カバーａまたはｂの周縁に
形成されたフランジ部（図では一つしか示していないが
、間隔をおいて複数設けられてる）であって、各フラン
ジ部１にはボルト挿通用の通孔１ａが設けられており、
また各フランジ部１の表面前半部には外方が肉薄となる
ような斜面６が形成され、各通孔１ａには高さがフラン
ジ部１の後半部の肉厚より若干中さい金属カラー２が嵌
合されている。Figures 3 and 4 show examples of this invention.
1 is a flange part (only one is shown in the figure, but a plurality of them are provided at intervals) formed on the periphery of the synthetic resin cover a or b as described above, and each flange part 1 has a is provided with a through hole 1a for bolt insertion,
In addition, a slope 6 is formed on the front half of the surface of each flange 1, and the thickness is thinner on the outside. are fitted.
そこで、カバーａまたはｂを機関本体Ｅの所定の位置に
配置し、その各フランジ部１にワッシャー４を施し、金
属カラー２にボルト３をそれぞれ挿通し、機関本体Ｅの
ねじ孔に螺合して各ボルト３をねじ込んでいけば、各ボ
ルト３の締付は力はワッシャー４を介してフランジ部１
の後半部表面に作用し、これを金属カラー２の端面まで
圧縮する状態になって、フランジ部１を機関本体Ｅに対
し緊締するとになる。Therefore, place the cover a or b at a predetermined position on the engine body E, apply a washer 4 to each flange part 1, insert the bolts 3 into the metal collars 2, and screw them into the screw holes in the engine body E. When each bolt 3 is screwed in, the tightening force of each bolt 3 is applied via the washer 4 to the flange portion
The second half surface of the metal collar 2 is compressed to the end face of the metal collar 2, and the flange portion 1 is tightened against the engine body E.
したがって、この考案では合成樹脂製カバーの取付けに
当って、ボルトの締付は力は各フランジの後半部表面に
のみ作用し、ウェルドのでき易い前半部表面には作用し
ないので、その部分における亀裂の発生を防ぐことがで
きる。Therefore, when installing the synthetic resin cover in this invention, the force applied when tightening the bolts is applied only to the rear surface of each flange, and not to the front surface, where welding is likely to occur, resulting in cracks in that area. can be prevented from occurring.
なお、上述の例では内燃機関におけるカバー製品につい
て説明したが、これに限らず他の合成樹脂製カバーの取
付けにも適用できるものである。Although the above example describes a cover product for an internal combustion engine, the present invention is not limited to this and can be applied to the attachment of other synthetic resin covers.
第１図は内燃機関の概略的な側面図。
第２図イは従来のカバーフランジ部の部分的斜視図。
第２図口はそのＸ−Ｘ線に沿った断面図。
第３図はこの考案の実施例の部分的斜視図。
第４図はそのＹ−Ｙ線に沿った断面図。
図中、１．１’・・・フランジ部、１ａ、１ａ′・・・
通Ｌ２，２・・・金属カラー ３，３′・・・ボルト、
４．４′・・・ワッシャー、５． ５’・・・ウェルド
、６・・・斜面、ａ、 ｂ・・・カバーFIG. 1 is a schematic side view of an internal combustion engine. FIG. 2A is a partial perspective view of a conventional cover flange. The second figure is a sectional view taken along the line X-X. FIG. 3 is a partial perspective view of an embodiment of this invention. FIG. 4 is a sectional view taken along the Y-Y line. In the figure, 1.1'...flange part, 1a, 1a'...
Through L2, 2...Metal collar 3,3'...Bolt,
4.4'... washer, 5. 5'...Weld, 6...Slope, a, b...Cover
Claims (1)
面に外方が肉薄となるような斜面６を形成し、各フラン
ジ部１に穿設した通孔１ａにはフランジ部１の後半部の
肉厚より若干高さの小さな金属カラー２を嵌合し、該金
属カラー２にボルト３を挿通して締着するようにした合
成樹脂製カバーの取付は装置。A slope 6 is formed on the surface of the front half of the flange part 1 provided at intervals on the periphery so that the outer side becomes thinner, and the through hole 1a bored in each flange part 1 has a slope 6 on the front half surface of the flange part 1 provided at intervals. The synthetic resin cover is fitted with a metal collar 2 whose height is slightly smaller than the wall thickness of the metal collar 2, and bolts 3 are inserted into the metal collar 2 and tightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15096580U JPS6032409Y2 (en) | 1980-10-24 | 1980-10-24 | Synthetic resin cover installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15096580U JPS6032409Y2 (en) | 1980-10-24 | 1980-10-24 | Synthetic resin cover installation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5773407U JPS5773407U (en) | 1982-05-06 |
| JPS6032409Y2 true JPS6032409Y2 (en) | 1985-09-27 |
Family
ID=29510309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15096580U Expired JPS6032409Y2 (en) | 1980-10-24 | 1980-10-24 | Synthetic resin cover installation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6032409Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6653566B2 (en) * | 2015-12-24 | 2020-02-26 | 株式会社マーレ フィルターシステムズ | Flange fixing structure |
-
1980
- 1980-10-24 JP JP15096580U patent/JPS6032409Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5773407U (en) | 1982-05-06 |
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