JPS6278399U

JPS6278399U -

Info

Publication number: JPS6278399U
Application number: JP16937685U
Authority: JP
Priority date: 1985-11-04
Filing date: 1985-11-04
Publication date: 1987-05-19

Description

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

第１図、第２図は本考案第１の実施例を示すも
ので、第１図は冷却水低温時の断面図、第２図は
冷却水高温時の断面図、第３図はインペラと水切
部との関係を示す特性線図、第４図は従来例を示
す縦断面図、第５図は第４図Ａ−Ａ線に沿う断面
図である。符号の説明、３……渦巻状ポンプ室、４……イ
ンペラ、６……駆動軸、７……吸入ポート、８…
…吐出ポート、１２……水切部、１３……熱膨張
体、１４……連結部材。 Figures 1 and 2 show the first embodiment of the present invention. Figure 1 is a cross-sectional view when the cooling water is low, Figure 2 is a cross-sectional view when the cooling water is high, and Figure 3 is a cross-sectional view of the impeller. 4 is a longitudinal sectional view showing a conventional example, and FIG. 5 is a sectional view taken along line A-A in FIG. 4. Explanation of symbols, 3... Volute pump chamber, 4... Impeller, 6... Drive shaft, 7... Suction port, 8...
...Discharge port, 12... Drain section, 13... Thermal expansion body, 14... Connection member.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

ハウジングにより渦巻状ポンプ室３を形成し、
該渦巻状ポンプ室３内に、駆動軸６に固着されて
、渦巻状ポンプ室３内を回転自在なインペラ４を
設け、該インペラ４の回転により流動する冷却水
を吐出ポート８へ導く水切部１２を、前記インペ
ラ４に隣接して渦巻状ポンプ室３に設けた内燃機
関冷却用ポンプにおいて、前記水切部１２をイン
ペラ４に対して変位可能に渦巻状ポンプ室３に支
持し、ハウジングに熱膨張体１３を設け、該熱膨
張体１３と前記水切部１２とを連結部材１４によ
り連結し、冷却水の温度上昇に伴つて熱膨張体１
３が膨張して水切部１２がインペラ４に接近する
ようにしたことを特徴とする内燃機冷却用ポンプ
。 A spiral pump chamber 3 is formed by the housing,
An impeller 4 is provided in the spiral pump chamber 3 and is fixed to a drive shaft 6 and is rotatable within the spiral pump chamber 3, and a drain section that guides cooling water flowing through the rotation of the impeller 4 to a discharge port 8. 12 is an internal combustion engine cooling pump provided in a spiral pump chamber 3 adjacent to the impeller 4, the water cutter 12 is supported in the spiral pump chamber 3 so as to be displaceable with respect to the impeller 4, and the housing is heated. An expansion body 13 is provided, and the thermal expansion body 13 and the drain section 12 are connected by a connecting member 14, and as the temperature of the cooling water increases, the thermal expansion body 1
A pump for cooling an internal combustion engine, characterized in that the drain portion 12 approaches the impeller 4 when the water drain portion 3 expands.