JPH0399264U

JPH0399264U -

Info

Publication number: JPH0399264U
Application number: JP873190U
Authority: JP
Priority date: 1990-01-31
Filing date: 1990-01-31
Publication date: 1991-10-16

Description

[Brief explanation of the drawing]

第１図は第１実施例のはすば歯車を用いたミツ
シヨンケースの部分断面拡大図、第２図は従来の
はすば歯車の噛み合い状態を示すもので、円周上
の歯を平面上に仮想展開したもの、第３図は同じ
く本考案のはすば歯車の円周上の歯を平面上に仮
想展開したもの、第４図ははすば歯車の側面断面
図、第５図は第２実施例のはすば歯車の側面断面
図、第６図は第３実施例のはすば歯車の側面断面
図、第７図は第４実施例のはすば歯車の側面断面
図、第８図は同じく正面図である。図面の符号は次の各部を示す。３……ミツシヨ
ンケース、１３，１５……はすば歯車、１７，１
８……車軸（歯車軸）、２１，２３……はすば歯
車、３１……ボス部、３３……歯車リム、３５…
…歯。 Fig. 1 is an enlarged partial cross-sectional view of a transmission case using helical gears of the first embodiment, and Fig. 2 shows the meshing state of conventional helical gears, with the teeth on the circumference being flattened. The above is a virtual development, FIG. 3 is a virtual development of the teeth on the circumference of the helical gear of the present invention on a plane, FIG. 4 is a side sectional view of the helical gear, and FIG. 5 6 is a side sectional view of the helical gear of the second embodiment, FIG. 6 is a side sectional view of the helical gear of the third embodiment, and FIG. 7 is a side sectional view of the helical gear of the fourth embodiment. , FIG. 8 is a front view as well. Reference numbers in the drawings indicate the following parts. 3...Mission case, 13,15...Helical gear, 17,1
8... Axle (gear shaft), 21, 23... Helical gear, 31... Boss portion, 33... Gear rim, 35...
…teeth.

Claims

[Scope of utility model registration request]

The boss portion 31 connected to the gear shaft and the boss portion 31
In the helical gear 21, the gear rim 33 of at least one of the mutually meshing helical gears has a rim 33 that rotates integrally with the rim 33 and has teeth 35 on the outside. Inner flange 37
A helical gear structure in which the rim 33 is connected to the boss portion 31 via the flange 37.