CN200958537Y

CN200958537Y - Aperture-variable spring

Info

Publication number: CN200958537Y
Application number: CN 200620133550
Authority: CN
Inventors: 何世哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-13
Filing date: 2006-09-13
Publication date: 2007-10-10
Anticipated expiration: 2016-09-13

Abstract

The utility model relates to a spring with the caliber capable of turning thick or thin and is characterized in that the metal wire material winding the spring has the calibers of different sizes and the caliber of the metal wire material turns small or large continuously. As the shape and structure of the spring with the caliber capable of turning thick or thin is uneven, during buffering and absorbing the external applied force, the buffering and absorbing function can be imposed upon the external applied force with different magnitude. When the external applied force is large, the thick part of the spring is used for buffering and absorbing the external applied force; when the external applied force is small, the thin part of the spring is used for buffering and absorbing the external applied force. The utility model is capable of buffering and absorbing (cushioning) the external applied force with a wider scope of amplitude. The thick and the thin parts of the spring jointly coordinate in buffering and absorbing the external applied force, so as to attain a good cushioning effect under various amplitudes. Thus the spring is applicable to the cushioning device on the vehicle.

Description

Bore chap hairspring

Technical field

The utility model relates to a kind of shock-absorbing spring, especially a kind of bore chap hairspring that good effectiveness in vibration suppression is all arranged under various amplitude situations.

Background technique

At present the shock-absorbing spring installed and used of device such as vehicle all is that the identical metal wire rod coiling of employing bore forms, and each of spring section has identical back stretch.Because absorbing applied external force by spring buffer, realizes vibration damping, and each section of this spring has identical elasticity coefficient, and in the bigger occasion of amplitude variations, applied external force is often not of uniform size, therefore at present the common shock-absorbing spring that uses is difficult to reach the effectiveness in vibration suppression of needs.Common damping spring must be applied external force when enough big, just can play the buffering absorption, and in some cases, as it does not play a role when external force is less relatively.The occasion spring less at amplitude is too hard, and too soft at the bigger occasion spring of amplitude, steadily walks thereby influence vehicle.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of bore chap hairspring that all has good effectiveness in vibration suppression under various oscillator intensity situations.

For solving the problems of the technologies described above, the technological scheme that the utility model adopted is: this bore chap hairspring form with metal wire rod or other rigidity wire rod coiling with different size diameter, and the diameter of wire rod is and diminishes continuously or become big continuously.

As further improvement of the utility model, the wire rod of described coiling spring is cylindric, and the spring bore of coiling is that the big end of an end is little.

Further improve as of the present utility model, the wire rod of described coiling spring is olive-shaped, and the spring bore of coiling is broad in the middle small in ends.

As another kind of improvement the of the present utility model, the wire rod two ends of described coiling spring are bell mouth shape, and the spring bore of coiling is that middle little two ends are big.

The beneficial effects of the utility model are: because the shape and structure thickness of bore chap hairspring is inhomogeneous, when buffering absorbs applied external force, can play different buffering absorptions to the applied external force that varies in size.When applied external force is big, mainly divide spring to cushion the absorption applied external force by thicker part; When applied external force hour, mainly cushion the absorption applied external force by thin partial spring.Bore chap hairspring can cushion absorption (damping) to the applied external force of wideer oscillator intensity scope, and the common coordinative role buffering of thickness two-part spring absorbs applied external force, thereby can both reach good damping effect under various oscillator intensity situations.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is further specified.

Fig. 1 is first a kind of embodiment's of the present utility model structural drawing.

Fig. 2 is second a kind of embodiment's of the present utility model structural drawing.

Fig. 3 is the third an embodiment's of the present utility model structural drawing.

Embodiment

Embodiment 1: in Fig. 1, the metal wire rod of coiling spring is cylindric, and the bore of metal wire rod is and diminishes continuously or become big continuously, and the spring bore of coiling is that the big end of an end is little.

Embodiment 2: in Fig. 2, the metal wire rod of coiling spring is olive-shaped, and the bore of metal wire rod is continuously to two ends from its central bore maximum cross-section and diminishes, and the spring bore of coiling is broad in the middle small in ends.

Embodiment 3: in Fig. 3, the metal wire rod two ends of coiling spring are bell mouth shape, and the bore of metal wire rod to be continuous change to two ends from its central bore smallest cross-sectional big, the spring bore of coiling is that middle little two ends are big.

Claims

1. bore chap hairspring is characterized in that the metal wire rod of coiling spring has the bores of different sizes, and the bore of wire rod is and diminishes continuously or become big continuously.

2. bore chap hairspring according to claim 1 is characterized in that described metal wire rod is cylindric, and the spring bore of coiling is that the big end of an end is little.

3. bore chap hairspring according to claim 1 is characterized in that described metal wire rod is olive-shaped, and the spring bore of coiling is broad in the middle small in ends.

4. bore chap hairspring according to claim 1 is characterized in that described metal wire rod two ends are bell mouth shape, and the spring bore of coiling is that middle little two ends are big.