CN2268755Y

CN2268755Y - Improved door lock

Info

Publication number: CN2268755Y
Application number: CN 96211222
Authority: CN
Inventors: 张士忠
Original assignee: ZHONGQIN INDUSTRY STOCK-SHARING Co Ltd
Current assignee: ZHONGQIN INDUSTRY STOCK-SHARING Co Ltd
Priority date: 1996-05-03
Filing date: 1996-05-03
Publication date: 1997-11-26
Anticipated expiration: 2006-05-03

Abstract

The utility model relates to an improved door lock. The back part of a pulling button which extends into the front part of a door is provided with a sheet body with a plurality of deep grooves, and the sheet body backwards penetrates into a front rotary button and a front rotary button which are positioned on an inner cover. The back rotary button slantingly extends to form a pulling sheet which is used for pulling a convex post of which the end part is provided with a clamping tongue, and the convex post is arranged on an operating rod. After the clamping tongue inwards shrunk in a lock casing, the door is opened. Thus, when going out for a short time, a user does need to carry a plurality of keys. Even when going out and forgetting to carry the keys, the user can easily open the door.

Description

The improvement door lock

The utility model relates to a kind of improvement door lock.

The open and close kenel of general door has two kinds, first kind be door in the doorframe inboard, when closing to extrapolation; Second kind then door inwardly draw when closing in the doorframe outside; And general door is first kind of kenel (promptly as shown in Figure 5), so is closed purpose when door 60 could reach 60 with the planar end surface of the block tongue 62 of lock 61 and dead bolt hole 63 inner side edge clips when closing.

And general block tongue 62 has the kenel of an inclined-plane and a flat face, cause if the block tongue 62 of door is promoted improperly by wind or animal door lock phenomenon the time, then can't be entered by the people that locked out,, then often need to ask the locksmith to unblank if when the people leaves behind key by the outside of door; For the people who needs the short time to go out, as when going out to tip rubbish or going out to chat, but need to carry big string key, quite inconvenience.

Main purpose of the present utility model is to provide a kind of door lock, uses this door lock, when the people goes out the short time, need not carry big string key, even when leaving behind key when going out, also can easily door be opened without key.

For achieving the above object, the technical solution of the utility model is to provide a kind of improvement door lock, horizontally set one badge bolt in lock box, a connecting rod up is pivoted in the appropriate location of badge bolt, the top ends of this connecting rod can penetrate in the hole of a horizontal operating bar inside, be provided with an end face in the inside of lock box and abut against coil spring at the lock box internal face, the end of this coil spring is to be enclosed within operating bar one side outside, one side of operating bar is arranged in the cross-drilled hole on L shaped of being fixedly arranged on the lock box, locate to have a block tongue at operating bar away from the end of coil spring, establish an inner cap in lock box the place ahead, be characterized in:

Waist at operating bar protrudes out formation one projection forward, and the top appropriate location of inner cap forms a circular hole, turn-button and back turn-button and can be for pivoting, at the oblique plectrum that extends to form of side of back turn-button before being provided with respectively corresponding to the forward and backward place of circular hole, this plectrum is the side that abuts against at projection

The place ahead of preceding turn-button is provided with a toggle that convexedly stretches in front of the door, forms a lamellar body in the toggle rear,

Lamellar body by the toggle rear combines with forward and backward turn-button, after rotating toggle, utilize plectrum stir on the operating bar projection whether, utilize block tongue to be recessed in the keying whether lock box inside comes control gate.

Aforesaid improvement door lock is characterized in: form the dark intaglio groove that several are provided with spacing distance on lamellar body.Aforesaid improvement door lock is characterized in: the side of plectrum has one in order to fasten the arc limit of projection.

The utlity model has following advantage:

When the people goes out the short time, need not carry big string key, even leave behind key when going out, also can be by rotating toggle 50 interlock lamellar body 51, plectrum 45 etc. will have projection 23, a block tongue 24 20 groups of operating bars to the inside so that block tongue 24 be recessed in lock box 10 backs and door opened, if after can solving traditional theftproof lock and being locked, must be by key or ask the locksmith to open the inconvenience of lockset in addition.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is the front schematic view after embodiment of the present utility model removes inner cap.

Fig. 3 is the side schematic view of mode of occupation of the present utility model.

Fig. 4 is the front schematic view of mode of occupation of the present utility model.

Fig. 5 is the front schematic view of traditional structure mode of occupation.

The utility model is a kind of improvement door lock (as shown in Figure 1, 2), inner transverse at lock box 10 is provided with a badge bolt 11, the lateral displacement of this badge bolt 11 is by a rotatable lamella 12 controls, the connecting rod 13 that is pivoted up in addition in the appropriate location of badge bolt 11, the top ends of this connecting rod 13 can penetrate in the hole 21 of a horizontal operating bar 20 inside; Be provided with an end face in the inside of lock box 10 and abut against coil spring 30 at lock box 10 internal faces, the end of this coil spring 30 can be enclosed within a side outside of operating bar 20, and a side of operating bar 20 is arranged in the cross-drilled hole 15 on L shaped 14 of being fixedly arranged on the lock box 10, and the both sides that are positioned at L shaped 14 on operating bar 20 protrude out formation one pin 22 and projection 23 respectively forward, locate to have a block tongue 24 at operating bar 20 away from the end of coil spring 30 in addition; Be provided with an inner cap 40 in the place ahead of lock box 10, the place ahead of this inner cap 40 protrudes out forward and is provided with lockset 41, above the lockset on the inner cap 40 41, locate to form a circular hole 42, be provided with preceding turn-button 43 that an inside has a slotted hole and back turn-button 44 and can be respectively corresponding to the forward and backward place of circular hole 42 for pivoting, at the oblique plectrum 45 that extends to form of side of back turn-button 44, this plectrum 45 is the sides that abut against at projection 23;

Before the place ahead of turn-button 43 one toggle 50 (as shown in Fig. 1,3) that convexedly stretches in before the door 60 is set, and the rear of toggle 50 forms a lamellar body 51, forms dark intaglio grooves 52 that several are provided with spacing distance on lamellar body 51.When the utility model be installed on door when using on 60 (as Fig. 3, shown in 4), when normal the use, must lockset 41 be opened with key, and the main effect of the dark intaglio groove 52 of the utility model on the lamellar body 51 at toggle 50 rears is the length that can adjust this lamellar body 51 according to the thickness of door 60, then can part unnecessary on the lamellar body 51 be cut out removal if lamellar body 51 is oversize via dark intaglio groove 52, end with lamellar body 51 is incorporated in the preceding turn-button 43 and back turn-button 44 with slotted hole again, if people go out the short time, then do not need to carry the key of big string, if leaving behind key can't open door, after even wind is big door being locked, also can pass through to rotate toggle 50 and interlock lamellar body 51, preceding turn-button 43, back turn-button 44, plectrum 45 back and the projection 23 that will have with the arc limit 46 of plectrum 45 sides on the operating bar 20 of block tongue 24 is inwards stirred (as shown in Figure 2), so that contract in the block tongue 24 in lock box 10, to reach the purpose that door can be opened.

Claims

1. improve door lock for one kind, horizontally set one badge bolt in lock box, a connecting rod up is pivoted in the appropriate location of badge bolt, the top ends of this connecting rod can penetrate in the hole of a horizontal operating bar inside, be provided with an end face in the inside of lock box and abut against coil spring at the lock box internal face, the end of this coil spring is to be enclosed within operating bar one side outside, one side of operating bar is arranged in the cross-drilled hole on L shaped of being fixedly arranged on the lock box, locate to have a block tongue at operating bar away from the end of coil spring, establish an inner cap in lock box the place ahead, it is characterized in that: the waist at operating bar protrudes out formation one projection forward, and the top appropriate location of inner cap forms a circular hole, before circular hole, the back is located to be provided with respectively preceding turn-button and back turn-button and can be supplied pivot, the oblique plectrum that extends to form of side at the back turn-button, this plectrum is the side that abuts against at projection, the place ahead of preceding turn-button is provided with a toggle that convexedly stretches in front of the door, form a lamellar body in the toggle rear, lamellar body by the toggle rear with before, back turn-button combination, after rotating toggle, utilize plectrum stir on the operating bar projection whether, utilize block tongue to be recessed in the keying whether lock box inside comes control gate.

2. improvement door lock according to claim 1 is characterized in that: form the dark intaglio groove that several are provided with spacing distance on lamellar body.

3. improvement door lock according to claim 1 is characterized in that: the side of plectrum has one in order to fasten the arc limit of projection.