Unlock instant, AI-driven research and patent intelligence for your innovation.

Locking device for door handle

A locking device, handle technology, used in building locks, handle connections, door/window accessories, etc., can solve problems such as limited anti-theft measures

Active Publication Date: 2009-12-02
TAKIGEN MFG CO LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As the locking device for the above-mentioned door handle, it is of course necessary to consider safety when installing a lock unit with a cylinder lock, etc., but it is said that the recent techniques for destroying the lock are quite advanced, and only relying on this cylinder lock, The anti-theft measures are limited, so it is not very ideal

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Locking device for door handle
  • Locking device for door handle
  • Locking device for door handle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] In order to make the stopper come out from the surface side of the door, on the premise that only the handle can be turned, a stopper for preventing the handle from turning is provided, and on the outside of the door, a stopper is provided to maintain the handle blocking state. lock.

[0022] (Example)

[0023] In order to illustrate the above conventional example in more detail ( Figure 5 and Figure 6 ), after marking the above numbers (numbers 1 to 16), refer to Figure 1 to Figure 4 Be explained.

[0024] As the lock head unit 13, a cylinder lock assembled with a known pin steering lock mechanism and a disc steering lock mechanism is used. The fixed body part of the lock head unit 13 is integrated with the operation shaft part 5, and only the The rotor 16 of the disk diverter is inserted into the housing hole 9 of the operation shaft 5 , and the anti-slip ring 16 b is fitted to the front end of the rotor 16 . The interlocking shaft portion 16 a of the rotating ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

This invention provides a door handle lock which prohibits the rotation of the handle in order to prevent the lock from unauthorized unlocking or breaking. The rotation of the handle is prohibited by a stopper portion and the lock is configured to maintain the stopper portion in a rotation prohibiting condition so as to reinforce the position of the handle by maintaining the lock bolt in the state of engagement.

Description

technical field [0001] The present invention relates to a locking device for a door handle, which is used for a switchboard storage box and the like, and which locks and disengages a stopper from a side of a fixed frame by rotating a handle provided on a door by a predetermined angle. Background technique [0002] In order to open and close the door from the side of the fixed frame of the outdoor switchboard storage box, etc., there is a kind of device described in the following patent documents installed on the door side, such as: Figure 5 and Figure 6 L-shaped handle shown. This L-shaped handle is that the operation shaft part 5 of the handle 4 is rotatably inserted in the inner shaft hole 3 of the support body 2 fixed to the door 1, and is locked with the supporting plate part 7 on the side of the fixed frame body 6. The stopper 8 used for stopping and disengaging is connected to the front end of the operating shaft part 5, or on this basis, the receiving hole 9 that i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): E05B13/00E05B3/00
CPCE05B13/10E05C3/04E05C3/041
Inventor 濑川志朗
Owner TAKIGEN MFG CO LTD