JPH0310098U

JPH0310098U -

Info

Publication number: JPH0310098U
Application number: JP7068189U
Authority: JP
Priority date: 1989-06-16
Filing date: 1989-06-16
Publication date: 1991-01-30

Description

[Brief explanation of drawings]

第１図は本考案の一実施例に係る樹脂製軸流フ
アンの取付け構造の要部を示す一部の切欠き縦断
面図、第２図は他の実施例を示す一部切欠き正面
図、第３図は第２図のＡ−Ａ線上の断面図、第４
図及び第５図は更に他の実施例の一部拡大縦断面
図、第６図は従来例による取付け構造の一部の切
欠き縦断面図である。３……取付け孔、４……相手回転体、５……ボ
ルト、５′……軸部、６……ブツシユ、７……吸
振部材、８……スペーサー。 Fig. 1 is a partially cutaway vertical sectional view showing the main parts of the mounting structure of a resin axial flow fan according to one embodiment of the present invention, and Fig. 2 is a partially cutaway front view showing another embodiment. , Fig. 3 is a sectional view taken along the line A-A in Fig. 2, and Fig. 4
5 and 5 are partially enlarged longitudinal sectional views of still another embodiment, and FIG. 6 is a partially cutaway longitudinal sectional view of a conventional mounting structure. 3... Mounting hole, 4... Matching rotating body, 5... Bolt, 5'... Shaft, 6... Bush, 7... Vibration absorbing member, 8... Spacer.

Claims

[Claims for Utility Model Registration] (1) A metal boss having a plurality of mounting holes and an annular wall extending in the axial direction on the outer periphery has an annular wall extending radially outward. In this structure, an axial flow fan formed by protruding blades and fixing their bases by casting is attached to a mating rotating body through the attachment hole by bolting,
A mounting structure for a resin axial flow fan, characterized in that a vibration absorbing member 7 is inserted in a compressed manner on both front and rear sides of the periphery of each of the mounting holes 3. (2) Installation of a resin axial flow fan according to claim 1, characterized in that a spacer 8 surrounding the shaft portion 5' of the bolt 5 is provided between the seating surface of the bolt 5 and the mating rotating body 4. structure. (3) A mounting structure for a resin axial flow fan according to claim 1, characterized in that a ring washer 9 is interposed between the bearing surface of the bolt 5 and the vibration absorbing member 7. (4) The mounting structure for a resin axial flow fan according to claim 3, wherein the vibration absorbing member 7 is formed in a ring shape so as to be in close contact with one side of the ring washer 9 over substantially the entire surface thereof. (5) In claim 1, between the boss body 2 and the mating rotary body 4, a plurality of or a single ring-shaped ring are arranged at equal intervals on substantially the same circumference centered on the center of the boss body. A mounting structure for a resin axial flow fan, characterized in that an elastic body 6 is press-fitted therein. (6) The mounting structure for a resin axial flow fan according to claim 5, wherein the elastic body 6 is held in a tapered surface 4' or a recess 4'' provided at an outer peripheral corner of the mating rotating body 4. .