JP2829667B2 - How to attach the connector boss to the cylinder - Google Patents
How to attach the connector boss to the cylinderInfo
- Publication number
- JP2829667B2 JP2829667B2 JP13677890A JP13677890A JP2829667B2 JP 2829667 B2 JP2829667 B2 JP 2829667B2 JP 13677890 A JP13677890 A JP 13677890A JP 13677890 A JP13677890 A JP 13677890A JP 2829667 B2 JP2829667 B2 JP 2829667B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- boss
- connector boss
- diameter
- connector
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、シリンダの側面にコネクタボスを取付ける
方法に関するものである。The present invention relates to a method for mounting a connector boss on a side surface of a cylinder.
シリンダの側面に、その内部と外部を連通するコネク
タボスを取付ける方法として、（１）シリンダの側面に
穴明け加工を行なった後ボスを溶接する、（２）ボスを
溶接した後外側からドリルで穴明け加工を行う等が従来
から知られている。As a method of attaching a connector boss that connects the inside and the outside to the side surface of the cylinder, (1) drilling is performed on the side surface of the cylinder, and then the boss is welded. (2) After welding the boss, a drill is performed from the outside. It is conventionally known to perform drilling.
上記第１の方法では、溶接時に発生するスパッタがシ
リンダの内面に付着して、シリンダの機能を阻害するお
それがあるという問題があり、第２の方法では、シリン
ダの内面にバリが発生し、その除去のために工数が増加
しコストが上昇するという問題があった。In the first method, there is a problem that spatter generated during welding may adhere to the inner surface of the cylinder and hinder the function of the cylinder. In the second method, burrs are generated on the inner surface of the cylinder, There has been a problem that the man-hour and cost increase due to the removal.
本発明は上記問題点を除くためになされたもので、シ
リンダの内面にスパッタが付着したり、穴の周辺にバリ
が発生することのないシリンダへのコネクタボスの取付
け方法を提供するものである。SUMMARY OF THE INVENTION The present invention has been made to eliminate the above problems, and provides a method of attaching a connector boss to a cylinder without spatter adhering to the inner surface of the cylinder or generating burrs around the hole. .
本発明に係るシリンダへのコネクタボス取付け方法
は、シリンダの側面に、一方の開口が小径で他方側が大
径の貫通穴を有するコネクタボスの小径側を向けて溶接
した後、上記貫通穴の小径部とほぼ等しい外径のパンチ
によって、シリンダの内部側から打抜き加工を行うもの
である。The method for attaching a connector boss to a cylinder according to the present invention is characterized in that, after welding with the small diameter side of the connector boss having one through-hole having a small diameter and the other side having a large-diameter through hole on the side surface of the cylinder, The punching process is performed from the inside of the cylinder by a punch having an outer diameter substantially equal to that of the portion.
本発明に係るシリンダへのコネクタボスの取付け方法
では、シリンダの内側から打抜き加工を行うと、シリン
ダ壁面の抜きかすがボス内の貫通穴から容易に抜け落ち
る。In the method of attaching the connector boss to the cylinder according to the present invention, when punching is performed from the inside of the cylinder, the chips on the cylinder wall easily fall out of the through holes in the boss.
以下、図示実施例により本発明を詳細する。第１図お
よび第２図は本発明の一実施例に係る取付け方法を説明
する図である。シリンダ（２）の側面に取付けられるコ
ネクタボス（４）はシリンダ（２）に溶接される側の開
口部（6a）が小径で、内部へ向けて次第に大径となるテ
ーパ状の通路（６）が形成されている。この通路（６）
の小径側開口部（6a）の外側に設けられたプロジェクシ
ョン部（6b）をシリンダ（２）に当接させてリングプロ
ジェクション溶接を行う（第２図）。次に、通路（６）
の小径側の内径とほぼ等しい外径を有するパンチ（８）
によって、シリンダ（２）の内部側から打抜き加工を行
う（第１図）。この時、小径側開口部（6a）はダイスの
作用を行う。ボス（４）の通路（６）がテーパ状になっ
ているので、打抜き加工時の抜きかす（10）が抜け落ち
易く、ボス（４）溶接後のシリンダ（２）内部側からの
打抜き加工が可能となる。Hereinafter, the present invention will be described in detail with reference to illustrated embodiments. 1 and 2 are views for explaining a mounting method according to one embodiment of the present invention. The connector boss (4) attached to the side surface of the cylinder (2) has a tapered passage (6) whose opening (6a) to be welded to the cylinder (2) has a small diameter and gradually increases inward. Are formed. This passage (6)
The projection (6b) provided outside the small diameter side opening (6a) is brought into contact with the cylinder (2) to perform ring projection welding (FIG. 2). Next, passage (6)
Punch (8) having an outer diameter substantially equal to the inner diameter on the smaller diameter side of the punch
Is performed from the inside of the cylinder (2) (FIG. 1). At this time, the small-diameter side opening (6a) acts as a die. Since the passage (6) of the boss (4) is tapered, the swarf (10) at the time of punching is easy to fall out, and the boss (4) can be punched from the inside of the cylinder (2) after welding. Becomes
第３図はコネクタボス（14）の他の例を示すもので、
通路（16）が、シリンダに溶接される側の小径部（16
a）と内部側の大径部（16b）から成っている。このボス
（14）を用いた場合にも第１図と同様に打ち抜いた断片
が抜け落ち易いので打抜き加工が可能である。FIG. 3 shows another example of the connector boss (14).
The passage (16) has a small diameter (16
a) and the inner large-diameter part (16b). In the case where this boss (14) is used, the punched piece can be easily punched out as in the case of FIG.
なお、打抜いた断片（110）を抜け易くするために
は、第４図に示すように、ボス（104）内の通路（106）
全体の径をパンチ（108）の径よりも大径にしても良い
が、この場合にはダイス相当部がないため打抜き部に悪
影響を及ぼすおそれがあり、従って、上記各例のよう
に、通路（６），（16）のシリンダ（２）側の開口部の
径が、パンチ（８）の径にほぼ一致するか僅かに大きい
ものであることが望ましい。As shown in FIG. 4, the passage (106) in the boss (104) can be easily removed from the punched fragment (110).
The entire diameter may be larger than the diameter of the punch (108). However, in this case, there is a possibility that the punched portion may be adversely affected because there is no die equivalent portion. It is desirable that the diameter of the opening on the cylinder (2) side of (6) and (16) is approximately equal to or slightly larger than the diameter of the punch (8).
以上述べたように本発明によれば、コネクタボスをシ
リンダに溶接した後、シリンダの内側からの打抜き加工
が可能になるので、シリンダの内面にスパッタの付着が
無く、また、穴の周辺部にバリが発生することも無い品
質の高いシリンダを低コストで得ることができる。As described above, according to the present invention, after welding the connector boss to the cylinder, it becomes possible to perform punching from the inside of the cylinder.Therefore, there is no spatter adhered to the inner surface of the cylinder and A high-quality cylinder with no burrs can be obtained at low cost.
第１図および第２図は本発明の一実施例方法の工程を説
明する縦断面図、第３図はコネクタボスの他の例の縦断
面図、第４図は参考例を示す縦断面図である。 （２）……シリンダ （４）……コネクタボス （６）……貫通穴（通路） （6a）……貫通穴の開口 （８）……パンチ1 and 2 are longitudinal sectional views for explaining steps of a method according to one embodiment of the present invention, FIG. 3 is a longitudinal sectional view of another example of a connector boss, and FIG. 4 is a longitudinal sectional view showing a reference example. It is. (2) Cylinder (4) Connector boss (6) Through hole (passage) (6a) Opening of through hole (8) Punch
Claims (1)
方側が大径の貫通穴を有するコネクタボスの小径側を向
けて溶接した後、上記貫通穴の小径部とほぼ等しい外径
のパンチによって、シリンダの内部側から打抜き加工を
行うことによりシリンダの壁面に連通穴を明けることを
特徴とするシリンダへのコネクタボスの取付け方法。1. A punch having an outer diameter substantially equal to the small diameter portion of the through hole after welding to the side of the cylinder with the small diameter side of the connector boss having one opening having a small diameter and the other side having a large diameter through hole. A method of attaching a connector boss to a cylinder, wherein a communication hole is made in a wall surface of the cylinder by performing a punching process from the inside of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13677890A JP2829667B2 (en) | 1990-05-25 | 1990-05-25 | How to attach the connector boss to the cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13677890A JP2829667B2 (en) | 1990-05-25 | 1990-05-25 | How to attach the connector boss to the cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0433735A JPH0433735A (en) | 1992-02-05 |
| JP2829667B2 true JP2829667B2 (en) | 1998-11-25 |
Family
ID=15183300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13677890A Expired - Fee Related JP2829667B2 (en) | 1990-05-25 | 1990-05-25 | How to attach the connector boss to the cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2829667B2 (en) |
-
1990
- 1990-05-25 JP JP13677890A patent/JP2829667B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0433735A (en) | 1992-02-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |