JPH0441646U

JPH0441646U -

Info

Publication number: JPH0441646U
Application number: JP8338390U
Authority: JP
Priority date: 1990-08-07
Filing date: 1990-08-07
Publication date: 1992-04-08
Anticipated expiration: 2005-08-07
Also published as: JP2534627Y2

Description

[Brief explanation of the drawing]

第１図〜第１１図は本考案の一実施例を示すも
ので、第１図はシリンダヘツドをエンジンに組み
付けた状態を示す断面図、第２図はシリンダヘツ
ドの上面を示す第１図の−線断面図、第３図
はその一方の端面を示す第２図の方向矢視図、
第４図はその吸気側側面を示す第２図の−線
矢視図、第５図は本装置の概略全体図、第６図は
第５図の−線断面図、第７図は第６図の−
線矢視図、第８図は第６図の−線断面図、
第９図は第６図の−線断面図、第１０図は第
９図の−線断面図、第１１図は第６図の
−線断面図である。６……ウオータジヤケツト（空間）、７……動
弁室（空間）、１９……オイル通路（空間）、２
０……分岐オイル通路（空間）、２１……分岐オ
イル通路（空間）、２２……プラグ着脱穴（空間
）、４１……シールプレート（シール機構）、４
３……シールボツクス（シール機構）、Ａ……エ
ア供給源、ＳＨ……シリンダヘツド、Ｓ_１〜Ｓ_１
１……シール機構、Ｗ……水槽。 Figures 1 to 11 show an embodiment of the present invention. Figure 1 is a sectional view showing the cylinder head assembled to the engine, and Figure 2 is the same as Figure 1 showing the top surface of the cylinder head. - line sectional view, FIG. 3 is a view taken in the direction of the arrow in FIG. 2 showing one end surface;
Fig. 4 is a view taken along the - line in Fig. 2 showing the intake side side, Fig. 5 is a schematic overall view of the device, Fig. 6 is a sectional view taken along the - line in Fig. 5, and Fig. 7 is a sectional view taken along the line - Figure -
A view taken along the line, FIG. 8 is a sectional view taken along the - line in FIG. 6,
9 is a cross-sectional view taken along the line -- in FIG. 6, FIG. 10 is a cross-sectional view taken along the line -- in FIG. 9, and FIG. 11 is a cross-sectional view taken along the line -- in FIG. 6... Water jacket (space), 7... Valve train chamber (space), 19... Oil passage (space), 2
0... Branch oil passage (space), 21... Branch oil passage (space), 22... Plug attachment/removal hole (space), 41... Seal plate (seal mechanism), 4
3...Seal box (seal mechanism), A...Air supply source, SH...Cylinder head, _S1 to _{S1
1} ... Seal mechanism, W... Water tank.

Claims

[Claims for Utility Model Registration] A cylinder head SH with its internal space sealed and air pressure applied is immersed in a water tank W, and defects such as cracks on the inner and outer walls of the cylinder head SH are detected from the bubbles generated. In the cylinder head pressure leak testing device for detecting pressure leaks, the opening of the cylinder head SH is closed to create a plurality of independent spaces 6, 7, 19, 20, 2 inside.
A plurality of seal mechanisms 41, 4 that may define 1, 22.
3, S ₁ to S ₁₁ and the plurality of spaces 6, 7, 1
1. A pressure leak testing device for a cylinder head, comprising: a high-pressure air supply source A capable of selectively supplying high-pressure air from at least one of 9, 20, 21, and 22.