JPH0412696U

JPH0412696U -

Info

Publication number: JPH0412696U
Application number: JP5248890U
Authority: JP
Priority date: 1990-05-18
Filing date: 1990-05-18
Publication date: 1992-01-31

Description

[Brief explanation of the drawing]

第１図ａとｂは本考案の一実施例を示す要部側
断面図と要部平面図、第２図ａとｂは本考案によ
る扉開閉機構の組立手順を示す要部側断面図、第
３図ａとｂとｃ及びｄは構成部材の一構成例を示
す図であつて、ａは扉支持軸の側面図、ｂはその
Ｘ−Ｘ線断面図、ｃは同じくＸ′−Ｘ′断面図、
ｄは軸受部材の平面図、第４図ａとｂとｃ及びｄ
は従来の扉開閉機構の構成を示す要部側断面図と
要部平面図である。図において、１は波形面、３は切欠き溝、５と
５Ａは軸受部材、９は軸受部、１０は扉、１２は
扉支持軸の頭部、１５は軸部材（扉支持軸）、１
６は位置決め軸部、１８はネジ係入孔、１９は下
部軸受、２０は装置フレーム、２６は下部支持軸
、３０は固定ネジ、５０は消音器、Ｏは扉の回転
中心、Ｐは波形面の波形間ピツチ、Ｕは上部開閉
部分、Ｄは下部開閉部分、Ｓは位置決め軸部の対
角部分の寸法、Ｓ_１は切欠き溝の最大部分の寸法
、Ｗは切欠き溝の最少部分の寸法、ｄは支持軸部
の直径、ｌは位置決め軸部の軸方向長さ、ｔは軸
受部材の厚さ、をそれぞれ示す。 Figures 1a and b are side sectional views and plan views of essential parts showing one embodiment of the present invention; Figures 2 a and b are side sectional views of essential parts showing the assembly procedure of the door opening/closing mechanism according to the present invention; Figures 3 a, b, c, and d are views showing an example of the configuration of the constituent members, in which a is a side view of the door support shaft, b is a cross-sectional view taken along line X-X, and c is also a cross-sectional view taken along line X'-X. 'Cross-sectional view,
d is a plan view of the bearing member, Fig. 4 a, b, c, and d
1 is a side sectional view and a plan view of a main part showing the configuration of a conventional door opening/closing mechanism. In the figure, 1 is a corrugated surface, 3 is a notched groove, 5 and 5A are bearing members, 9 is a bearing part, 10 is a door, 12 is the head of the door support shaft, 15 is a shaft member (door support shaft), 1
6 is the positioning shaft, 18 is the screw insertion hole, 19 is the lower bearing, 20 is the device frame, 26 is the lower support shaft, 30 is the fixing screw, 50 is the silencer, O is the rotation center of the door, P is the corrugated surface pitch between the waveforms, U is the upper opening/closing part, D is the lower opening/closing part, S is the dimension of the diagonal part of the positioning shaft, _S1 is the dimension of the maximum part of the notch groove, W is the dimension of the minimum part of the notch groove. In the dimensions, d is the diameter of the support shaft, l is the axial length of the positioning shaft, and t is the thickness of the bearing member.

Claims

[Claims for Utility Model Registration] An opening/closing mechanism for a door 10 installed in a device frame 20 of electronic equipment, etc., comprising a positioning shaft portion 16 having a rectangular cross-sectional shape, for example;
A shaft member 15 having a support shaft portion 17 having a circular cross-sectional shape on the same axis, and a pair of corrugated surfaces 1 corresponding to the positioning shaft portion 16 of the shaft member 15 are formed on the side wall portion. Notch groove 3
A door opening/closing mechanism comprising: a bearing member 5 equipped with; and a door opening/closing mechanism.