JPS61186842U

JPS61186842U -

Info

Publication number: JPS61186842U
Application number: JP7139185U
Authority: JP
Priority date: 1985-05-14
Filing date: 1985-05-14
Publication date: 1986-11-21

Description

[Brief explanation of drawings]

第１図は本考案の最も単純な実施例に係る捩り
コイルばねの構造を示す分解斜視図、第２図は同
捩りコイルばねの構造を示す斜視図、第３図は第
２図に示す―線に沿う断面図、第４図は同捩
りコイルばねの作用を示すグラフ、第５図は本考
案の他の実施例を示すダブル型捩りコイルばねの
分解側面図、第６図はさらにその他の実施例を示
すダブル型捩りコイルばねの分解斜視図、第７図
は本考案を操作ペダルの踏力軽減装置として適用
した場合の実施例を示す正面側断面図、第８図Ａ
は第７図の要部拡大断面図、第８図Ｂは操作ペダ
ルを踏み込んだ状態における第７図の要部拡大断
面図、第９図は第８図Ａの平面図、第１０図Ａは
第７〜９図に示す摺動体の斜視図、第１０図Ｂは
第７〜９図に示すスリーブを示す断面図、第１１
図は第７〜１０図に示す実施例の作用を示すばね
特性線図、第１２図は従来の捩りコイルばねの斜
視図である。１，１０，１８，１９，４０，４１…捩りコイ
ルばね、２…線材、３，４２，４３，４４，４５
…コイル部、４，４０ｂ，４１ｂ…固定部、５，
５ａ，４０ａ，４１ａ…可動部、１１…弾性部材
。 Fig. 1 is an exploded perspective view showing the structure of a torsion coil spring according to the simplest embodiment of the present invention, Fig. 2 is a perspective view showing the structure of the torsion coil spring, and Fig. 3 is shown in Fig. 2. 4 is a graph showing the action of the torsion coil spring, FIG. 5 is an exploded side view of a double-type torsion coil spring showing another embodiment of the present invention, and FIG. 6 is a graph showing another embodiment of the torsion coil spring. FIG. 7 is an exploded perspective view of a double-type torsion coil spring showing an embodiment; FIG. 7 is a front sectional view showing an embodiment in which the present invention is applied as a pedal force reduction device; FIG. 8A
is an enlarged sectional view of the main part of FIG. 7, FIG. 8B is an enlarged sectional view of the main part of FIG. 7 with the operation pedal depressed, FIG. 9 is a plan view of FIG. 8A, and FIG. 10A is an enlarged sectional view of the main part of FIG. Fig. 10B is a perspective view of the sliding body shown in Figs. 7-9, Fig. 10B is a sectional view showing the sleeve shown in Figs.
The figures are spring characteristic diagrams showing the effects of the embodiments shown in Figs. 7 to 10, and Fig. 12 is a perspective view of a conventional torsion coil spring. 1, 10, 18, 19, 40, 41...Torsion coil spring, 2...Wire rod, 3, 42, 43, 44, 45
...Coil part, 4, 40b, 41b...Fixing part, 5,
5a, 40a, 41a...Movable part, 11...Elastic member.

Claims

[Scope of utility model registration request]

A coil part in which a wire is spirally wound, a fixing part formed at one end of the wire, and a fixed part formed at the other end, which protrudes from the coil part and generates elastic force by a predetermined displacement. In the structure of a torsion coil spring having a movable part, in the coil part,
It has a shape that matches the internal shape of the coil part,
A torsion coil spring structure characterized by a press-fitted elastic member that generates elastic force when compressed.