JPH0449843U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図〜第５図は本考案の一実施例を示すもの
で、第１図はその圧力洩れ検査装置を設けたバル
ブ組付治具の全体側面図、第２図は第１図の要部
拡大斜視図、第３Ａ図および第３Ｂ図は圧力洩れ
検査装置の全体図、第４図は第３Ａ図の要部拡大
図、第５図は作用の説明図である。 Ｂ……バルブ支持機構、Ｂｓ_１，Ｂｓ_２……バ
ルブシート、Ｐｏ_１，Ｐｏ_２……ポート、Ｖ_１，
Ｖ_２……バルブ、Ｗ……シリンダヘツド、δ……
間隙、５２……空気通路、５３……空気供給源、
５４……圧力洩れ検査手段、５４……切換弁、５
８……切換弁。 Figures 1 to 5 show an embodiment of the present invention, with Figure 1 being an overall side view of a valve assembly jig equipped with a pressure leak inspection device, and Figure 2 showing the main components of Figure 1. 3A and 3B are an overall view of the pressure leak testing device, FIG. 4 is an enlarged view of the main part of FIG. 3A, and FIG. 5 is an explanatory diagram of the operation. B...Valve support mechanism, _Bs1 , _Bs2 ...Valve seat, _Po1 , _Po2 ...Port, _V1 ,
V ₂ ...Valve, W...Cylinder head, δ...
Gap, 52...Air passage, 53...Air supply source,
54...Pressure leak inspection means, 54...Switching valve, 5
8...Switching valve.

Claims (1)

【実用新案登録請求の範囲】 シリンダヘツドＷにバルブＶ_１，Ｖ_２を組付け
た後、前記バルブＶ_１，Ｖ_２により閉塞されたシ
リンダヘツドＷのポートＰｏ_１，Ｐｏ_２内部を空
気通路５２を介して圧力洩れ検査手段５４に接続
し、前記バルブＶ_１，Ｖ_２とバルブシートＢｓ_１
，Ｂｓ_２間の圧力洩れを検査する圧力洩れ検査装
置であつて、 バルブＶ_１，Ｖ_２とバルブシートＢｓ_１，Ｂｓ
_２間の異物を除去すべく前記ポートＰｏ_１，Ｐｏ
_２内部に圧力空気を供給し得る空気供給源５３を
設け、この空気供給源５３と前記圧力洩れ検査手
段５４を切換弁５６，５８を介して前記空気通路
５２に選択的に連通させるとともに、前記異物を
除去する際に前記バルブＶ_１，Ｖ_２とバルブシー
トＢｓ_１，Ｂｓ_２間に間隙δを形成せしめるバル
ブ支持機構Ｂを設けたことを特徴とする、圧力洩
れ検査装置。[Claims for Utility Model Registration] After the valves V ₁ and V ₂ are assembled to the cylinder head W, the ports Po ₁ and Po ₂ of the cylinder head W that are closed by the valves V ₁ and V ₂ are connected to the air passage 52. The valves V ₁ , V ₂ and the valve seat Bs ₁
, Bs ₂ , comprising: valves V ₁ , V ₂ and valve seats Bs ₁ , Bs
In order to remove foreign matter _between the ports Po ₁ and Po
₂ is provided with an air supply source 53 capable of supplying pressurized air, and this air supply source 53 and the pressure leak inspection means 54 are selectively communicated with the air passage 52 via switching valves 56 and 58. A pressure leak testing device characterized in that a valve support mechanism B is provided to form a gap δ between the valves V ₁ and V ₂ and the valve seats Bs ₁ and Bs ₂ when removing foreign matter.