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Cheese lock

A bobbin lock and bobbin technology, which is applied to cylinder marble locks, building locks, vehicle locks, etc., can solve the problems of being vulnerable to theft, escape, and illegally unlocking the door, so as to improve the anti-theft and prevent illegal unlocking. Effect

Inactive Publication Date: 2011-04-27
U SHIN LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the above-mentioned conventional bobbin lock, there is a possibility that, in order to carry out the theft, by inserting a tool such as a slotted screwdriver into the bobbin from the front side, and knocking in with a hammer etc., the so-called punching action, Destroying the cylinder or the holder, the cylinder part comes out from the inside of the holder, thereby allowing the rotation of the cylinder to illegally release the locked state of the door
As a result, has the problem of being vulnerable to theft

Method used

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Experimental program
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Effect test

Embodiment Construction

[0033] Embodiments of the present invention will be described below according to the accompanying drawings.

[0034] figure 1 It is a side view with a part of the bobbin lock shown as the first embodiment removed.

[0035] In addition, in figure 1 ( figure 2 , 3 , 4, and 5(a) are the same), the left side as the key insertion side is referred to as "front", and the right side is referred to as "rear".

[0036] The cylinder lock 1 basically consists of a holder 2, a cylinder 3 and an output part 4. The holder 2 is installed on an outer panel (not shown in the figure) formed on the door main body or on an outer handle formed on the outer panel. A recess (not shown in the figure), the barrel 3 is rotatably received inside the holder 2, and the output member 4 is mounted on the rear end of the barrel 3.

[0037] The holder 2 is obtained by forming a metal material such as zinc die-casting into a substantially cylindrical shape. On the outer peripheral portion of the holder 2,...

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PUM

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Abstract

The present invention provides a cylinder lock excellent in theft prevention efficiency without being illegally unlocked by a punch. In the cylinder lock 1 equipped with a holder 2 having an engaging groove on the inner circumferential surface, a tumbler 25 projected from the outer circumference, a cylinder 3 making the tumbler 25 impossible to rotate in the holder 2 engaged with the engaging groove 12 of the holder 2 in the case of a key is drawn out and an output member 4 outputting the rotation of the cylinder 3 provided to the rear end side of the cylinder 3 to the outside, the cylinder 3is separated to the rear end 30 providing a body 20 and the output member 4 thereto, and it is so characterized in that the body 20 and the rear end 30 can be interconnected with connecting means 28 and 31 releasing the connection of the body 20 and the rear end 30 when the rear end 30 is drawn out of the holder 2.

Description

technical field [0001] The present invention relates to cylinder locks for doors of vehicles and buildings. Background technique [0002] A cylinder lock widely used in automobiles, doors of buildings, etc. is generally composed of a holder and a cylinder provided inside the holder. [0003] The bobbin can be rotated inside the holder by inserting the correct key (official key). In addition, when the key is not inserted into the barrel, or other keys (inappropriate keys), tools, etc. are inserted into the barrel, the steering wheel protruding from the barrel and the engaging seat formed on the inner peripheral surface of the holder All parts are engaged, and the bobbin cannot be rotated. [0004] In addition, a key operating rod is connected to the rear end of the barrel, and a door lock device and the like are driven by a rod connected to the key operating rod. Refer to JP-A-9-296637. [0005] However, in the above-mentioned conventional bobbin lock, there is a possibili...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B17/20E05B35/06E05B27/00E05B15/00
CPCE05B17/0062E05B77/00E05B17/04E05B9/04
Inventor 牧野敏和佐崎光宏
Owner U SHIN LTD