JPS648568U - - Google Patents
Info
- Publication number
- JPS648568U JPS648568U JP10232287U JP10232287U JPS648568U JP S648568 U JPS648568 U JP S648568U JP 10232287 U JP10232287 U JP 10232287U JP 10232287 U JP10232287 U JP 10232287U JP S648568 U JPS648568 U JP S648568U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- fuel injection
- cam
- injection pump
- cam disk
- 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
- 239000000446 fuel Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000007772 electroless plating Methods 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 4
- 229910052759 nickel Inorganic materials 0.000 claims 2
- 238000007747 plating Methods 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案の分配型燃料噴射ポンプに用
いられるローラ部分の実施例を示す断面図、第２
図は同上の分配型燃料噴射ポンプの部分断面図、
第３図は第２図−線の断面図、第４図は従来
のローラ部分の実施例を示す断面図である。
４……ポンプハウジング、５……吸込み空間、
７……駆動軸、９……プランジヤ、１０……カム
デイスク、１２……カム受け装置、１３……ロー
ラホルダ、１４……ローラピン、１５……ローラ
ブツシユ、１６……ローラ、２５，２６……無電
解メツキ層。
Fig. 1 is a sectional view showing an embodiment of the roller portion used in the distribution type fuel injection pump of this invention;
The figure is a partial cross-sectional view of the same distribution type fuel injection pump as above.
FIG. 3 is a sectional view taken along the line of FIG. 2, and FIG. 4 is a sectional view showing an example of a conventional roller portion. 4... Pump housing, 5... Suction space,
7... Drive shaft, 9... Plunger, 10... Cam disc, 12... Cam receiving device, 13... Roller holder, 14... Roller pin, 15... Roller bush, 16... Roller, 25, 26... Electroless plating layer.
Claims (1)
デイスクが設けられ、このカムデイスクを受ける
カム受け装置がポンプハウジングで囲まれた吸込
み空間内に配され、このカム受け装置がポンプハ
ウジングに回転自在に内嵌するローラホルダと、
このロータホルダに回転自在に支持されたローラ
ピンと、このローラピンに回転自在に外嵌された
ローラブツシユと、このローラブツシユに回転自
在に外嵌され、且つ前記カムデイスクに当接する
ローラとよりなる分配型燃料噴射ポンプにおいて
、前記カム受け装置のローラホルダとローラブツ
シユの少なくとも一方の表面にニツケルによる無
電解メツキ層を形成したことを特徴とする分配型
燃料噴射ポンプ。 ２ ニツケルによる無電解メツキ層は、メツキ後
に約３００℃で熱処理され、表面硬度がおよそＨ
Ｖ７００に設定されていることを特徴とする実用
新案登録請求の範囲第１項記載の分配型燃料噴射
ポンプ。[Claims for Utility Model Registration] 1. A cam disk is provided in the middle of a plunger connected to a drive shaft, and a cam receiving device for receiving this cam disk is arranged in a suction space surrounded by a pump housing. a roller holder in which the device rotatably fits into the pump housing;
A distributed fuel injection system comprising a roller pin rotatably supported by the rotor holder, a roller bushing rotatably fitted onto the roller pin, and a roller rotatably fitted onto the roller bushing and in contact with the cam disk. A distribution type fuel injection pump characterized in that an electroless plating layer of nickel is formed on the surface of at least one of the roller holder and the roller bushing of the cam receiving device. 2 The electroless plating layer made of nickel is heat-treated at approximately 300°C after plating, and the surface hardness is approximately H.
The distribution type fuel injection pump according to claim 1, characterized in that the fuel injection pump is set to V700.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10232287U JPS648568U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10232287U JPS648568U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648568U true JPS648568U (en) | 1989-01-18 |
Family
ID=31332127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10232287U Pending JPS648568U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648568U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0389715U (en) * | 1989-12-28 | 1991-09-12 | ||
| JPH0389713U (en) * | 1989-12-28 | 1991-09-12 | ||
| JP2003227433A (en) * | 2002-01-31 | 2003-08-15 | Denso Corp | Distribution type fuel injection pump |
| US7430088B2 (en) | 2005-11-05 | 2008-09-30 | Samsung Electronics Co., Ltd. | Retracting method of hard disk drive, hard disk drive adopting the method, and recording medium storing program for executing the method |
-
1987
- 1987-07-03 JP JP10232287U patent/JPS648568U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0389715U (en) * | 1989-12-28 | 1991-09-12 | ||
| JPH0389713U (en) * | 1989-12-28 | 1991-09-12 | ||
| JP2003227433A (en) * | 2002-01-31 | 2003-08-15 | Denso Corp | Distribution type fuel injection pump |
| US7430088B2 (en) | 2005-11-05 | 2008-09-30 | Samsung Electronics Co., Ltd. | Retracting method of hard disk drive, hard disk drive adopting the method, and recording medium storing program for executing the method |
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