JPH0212540U - - Google Patents

Description

[Brief explanation of the drawing]

1 and 2 are cross-sectional views of a tension coil spring showing a typical embodiment of the present invention, FIG. 3 is a cross-sectional view of the tension coil spring shown in FIG. 1 in a stretched state, and FIG.
Figures 5 and 5 are cross-sectional views of compression coil springs, and Figure 6 is a sectional view of a compression coil spring.
Figures 7 and 7 are cross-sectional views of torsion coil springs, and Figure 8.
The figure is a sectional view of a coil spring in which a support spring is threadedly connected to one end of the spring body, Figures 9 and 10 are sectional views of a coil spring in which a support spring is arranged coaxially with the spring body, and Figure 11 is a sectional view of one end. FIG. 12 is a cross-sectional view of a coil spring in which a plurality of spring bodies are connected by a support spring, and FIG. 13 is a cross-sectional view of the tension coil spring shown in FIG. 1. 14 is a sectional view showing a state in which the constant is changed. FIG. 14 is a sectional view showing a state in which the spring constant of the torsion coil spring of FIG. 6 is changed. A, A ₁ , A ₂ : Spring body, B, B ₁ to _{B 6} :
Support spring, 1: Spring part, 2: Connecting part, 3: Connected part, 4: Hook, 5: Seat surface, 6: Arm, 7: Spring part, 8: Spring part, 9: Fixed rod, 10: Connecting rod.

Claims (1)

[Claims for Utility Model Registration] (1) A spring body consisting of a spring body with both ends of the coil spring serving as a connecting part, and a supporting spring having a connected part made of a coil spring at least in part; A composite coil spring formed by screwing the connected part of the support spring into the connecting part. (2) A coil spring made of a shape-memory alloy. It consists of a spring body with both end portions serving as connecting parts, and a support spring made of a spring wire and having a connected part made of a coil spring at least in part. . A composite coil spring in which a connected portion of a support spring is screwed into a connected portion of the spring body. (3) Registration of a utility model in which the wires at both end portions of the spring body are tightly wound to form a connecting portion, and a part of the wires of the support spring are tightly wound to form a connected portion. A composite coil spring according to claim 1 or 2. (4) The composite coil spring according to claim 1 or 2, which uses, as the support spring, a support spring in which a connected portion is formed at one end and a hook is formed at the other end. (5) As the support spring, a support spring having a connected portion formed at one end and a bearing surface formed by grinding the other end is used as a utility model registered claim 1 or 2. composite coil spring. (6) The composite coil spring according to claim 1 or 2, which uses a support spring in which a connected portion is formed at one end and an arm is formed at the other end as the support spring. (7) As the support spring, a connected portion is formed at both end portions to be threadedly engaged with both end portion connecting portions of the spring body, and a coil spring having a diameter different from the connected portion is formed in the center portion. A composite coil spring according to claim 1 or 2 of the utility model registration claim, which uses a support spring. (8) The composite according to claim 1 or 2, wherein the connected portion of the support spring is screwed into the connecting portion of the spring body and fixed with adhesive or caulking. coil spring.