Balance wheel and hair spring mechanism used for mechanical watches and mechanical watch with same

A mechanical watch and hairspring technology, applied in the field of mechanical watches, can solve the problems of complex overall structure, troublesome installation, high cost of consumables, etc., and achieve the effects of optimized structure, easy assembly, and reduced production costs

Active Publication Date: 2013-09-11
TIAN WANG ELECTRONICS (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the prior art, and provide a balance wheel and hairspring mechanism for mechanical watches, so as to solve the problems of the ove...

Method used

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  • Balance wheel and hair spring mechanism used for mechanical watches and mechanical watch with same
  • Balance wheel and hair spring mechanism used for mechanical watches and mechanical watch with same
  • Balance wheel and hair spring mechanism used for mechanical watches and mechanical watch with same

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] see Figure 1 to Figure 3 As shown, the present invention provides a balance wheel hairspring mechanism 10 for a mechanical watch, including a balance splint 11, a balance shaft 12, a balance wheel 13, a double inner pile disc 14 and a hairspring 15, wherein the balance splint 11 is used to install Balance shaft 12, balance wheel 13, collet double disk 14 and hairspring 15, and the configuration of hairspring 15 is mainly to use its elastic deformation to change the movement of balance wheel 13 into reciprocating motion. Specifically, the balance plywood 11 is arranged on the main splint (n...

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Abstract

The invention provides a balance wheel and hair spring mechanism used for mechanical watches. The balance wheel and hair spring mechanism comprises a balance bridge, a balance shaft, a balance wheel, an inner-pile double disc and a hair spring, the balance bridge is arranged on a bottom plate of a mechanical watch, the balance shaft is rotatably arranged on the balance bridge by a micro bearing, the balance wheel is arranged at a first end of the balance shaft, the inner-pile double disc is a combination of an inner pile and double discs and is connected at a second end of the balance shaft, the hair spring is arranged on the inner-pile double disc in a sleeved manner, and one end of the hair spring is connected to the inner-pile double disc while the other end of the same is connected to the balance bridge. By using the micro bearing to replace a jewel bearing commonly used in the prior art and due to the miniaturized size of the micro bearing, the balance shaft with large diameter can be mounted within certain mounting space; the balance shaft and the micro bearing have a low friction coefficient, so that the balance wheel and hair spring mechanism can withstand big external action force and is guaranteed to be less prone to being damaged, and the need for an equipment shock absorber is omitted.

Description

technical field [0001] The invention relates to the field of mechanical watches, in particular to a balance spring mechanism for a mechanical watch and a mechanical watch with the mechanism. Background technique [0002] At present, for general mechanical watches, the balance wheel hairspring mechanism generally adopts a jewel bearing and a balance shaft configuration. However, due to the large friction coefficient in the cooperation between the jewel bearing and the balance shaft, once the mechanical watch is subjected to a large external force, the matching structure of the jewel bearing and the balance shaft is difficult to resist or bear the force, resulting in the gap between the components. There is a deviation between them, so that the internal structure of the mechanical watch is deviated or damaged. For this reason, the commonly used countermeasures are to install shock absorbers on the upper and lower sides of the mechanical watch respectively, and through the elas...

Claims

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Application Information

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IPC IPC(8): G04B17/06
Inventor 曹荣林张克来
Owner TIAN WANG ELECTRONICS (SHENZHEN) CO LTD
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