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Automobile front cover lock

A front cover lock and automobile technology, which is applied in the field of car front cover locks, can solve the problems of large tension spring noise and achieve the effect of noise reduction

Inactive Publication Date: 2015-05-06
BEIJING CHANGAN AUTOMOBILE ENG TECH RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since the opening and closing force of the front cover is borne by the ratchet extension spring 04, the force of the ratchet extension spring 04 is relatively large. At the same time, when the ratchet 01 rotates, it drives the ratchet extension spring 04 to stretch and rotate, which causes the ratchet extension spring 04 to stretch and rotate. noisy

Method used

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  • Automobile front cover lock
  • Automobile front cover lock

Examples

Experimental program
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Embodiment Construction

[0018] The core of the present invention is to provide a car front hood lock, the noise of which is reduced when the car front hood lock is locked and unlocked.

[0019] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] Please refer to image 3 with Figure 4 , In a specific embodiment, the automobile front hood lock provided by the present invention includes a front hood lock housing 5, a ratchet 1, a front hood lock 2, a pawl 3, a ratchet extension spring 4, a balance torsion spring shaft 6 and a balance The torsion spring 7, specifically, the balance torsion spring 7 can be a carbon steel torsion spring. The ratchet 3 is installed on the front cover lock housing 5, one end of the ratchet extension spring 4 is fixed relative to the front cover lock housing 5, and the other en...

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PUM

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Abstract

The invention discloses an automobile front cover lock. The automobile front cover lock comprises a front cover lock shell, a ratchet wheel, a front cover lock catch, a pawl, a ratchet wheel tension spring, a balance torsional spring shaft and a balance torsional spring. The pawl is installed on the front cover lock shell, one end of the ratchet wheel tension spring is fixed relative to the front cover lock shell, the other end of the ratchet wheel tension spring is installed on the ratchet wheel, a clamping opening used for clamping the front cover lock catch is formed in the ratchet wheel, the balance torsional spring is arranged on the balance torsional spring shaft in a sleeving mode, one end of the balance torsional spring is fixed relative to the front cover lock shell, the other end of the balance torsional spring abuts against the lower surface of the front cover lock catch, and the balance torsional spring shaft is fixed relative to a rotating shaft of the pawl. Noise is reduced when the automobile front cover lock is locked or unlocked.

Description

technical field [0001] The invention relates to the technical field of automobile locks, in particular to an automobile front cover lock. Background technique [0002] The car front cover lock is located at the front end of the car, and is used to realize the locking and unlocking of the front cover. Such as figure 1 with figure 2 As shown, the traditional automobile front hood lock includes a front hood lock housing 05, a ratchet 01, a front hood lock 02, a pawl 03, and a ratchet extension spring 04, wherein the pawl 03 is installed on the front hood lock housing 05, and the ratchet One end of the extension spring 04 is fixed relative to the front cover lock housing 05, and the other end is installed on the ratchet 01, and the ratchet 01 is provided with a card interface for snapping the front cover lock 02. [0003] When it is necessary to close the front cover, the front cover lock 02 pushes the ratchet 01 to rotate, and the ratchet extension spring 04 is stretched un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B83/24
Inventor 孙玉才潘凤刚王远宏李文辉
Owner BEIJING CHANGAN AUTOMOBILE ENG TECH RES
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