CN201169996Y

CN201169996Y - Escape lock conveniently for reversing

Info

Publication number: CN201169996Y
Application number: CNU2008200458429U
Authority: CN
Inventors: 胡利恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-29
Filing date: 2008-03-29
Publication date: 2008-12-24
Anticipated expiration: 2018-03-29

Abstract

The utility model relates to an escape lock with convenient reversing, which comprises an oblique tongue, a square tongue, a lock shell, a shifting fork component arranged inside the lock shell and a toggling device which forms toggling connection relation between the shifting fork component and the square tongue; a handle square bar is inserted into a square hole of the shifting fork component; the handle square bar comprises an central shaft and a limit square bar and a jack square bar which are arranged on two ends of the central shaft and can relatively rotate round the central shaft; a limit lug boss is arranged on the limit square bar; the shifting fork component comprises two outer shifting forks and a middle shifting fork clamped between the two outer shifting forks; all the shifting forks coaxially swing; the middle shifting fork and the toggling device form the toggling connection relation; and the distance from the limit end of the limit lug boss to the nearest tail end of the limit square bar is equal to the total thicknesses from the outer shifting fork and the middle shifting fork to the contact surface of the limit square bar respectively. The escape lock saves the operation of wresting and taking a screw of the shifting fork component for reversing; and the reversing is more convenient and simpler to operate.

Description

A kind of commutation is escape lock easily

[technical field]

The utility model relates to a kind of lockset, refers in particular to a kind of commutation escape lock easily.

[background technology]

Number of patent application is a kind of commutation of 2007200530728 escape lock easily, disclosed is to adopt to twist the mode of getting screw on upper shift fork in the lock body seat or the lower shift fork and come to the escape lock commutation, make it to be suitable for to install on the door of L.H.flapped door or R.H.flapped door, this is cumbersome when switch operation, how to develop a kind of commutate more convenient and need not to twist get screw and can realize the escape lock that commutates the applicant's purpose just.

[utility model content]

The purpose of this utility model is to be to overcome the deficiencies in the prior art, provide a kind of commutation more convenient, the operation simpler escape lock.

In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:

A kind of commutation is escape lock easily, include oblique tongue, side's tongue, lock body shell, be arranged on the pull-fork assembly in the lock body shell, and the striking gear of annexation is stirred in formation between pull-fork assembly and square tongue, in the square hole of described pull-fork assembly, be inserted with the handle square bar, described handle square bar includes central axis and is arranged on this central axis two ends, and can be around spacing in relative rotation square bar of this central axis and jack square bar, this spacing square bar is provided with positive stop lug boss, it is characterized in that: described pull-fork assembly includes two outer shift forks and is clipped in middle shift fork between them, all shift fork concentric swings; Shift fork and striking gear form and stir annexation in described; The positive stop end of described positive stop lug boss outside the distance of the nearest tail end of this spacing square bar equals shift fork and middle shift fork respectively with that part of thickness summation of this spacing square bar contact surface.

As to above-mentioned a kind of commutation improvement project of escape lock easily, described two outer shift forks equate with that part of thickness of this spacing square bar contact surface.

As to above-mentioned a kind of commutation improvement project of escape lock easily, in described, be provided with the reversed column on the sliding piece that can act on this striking gear on the shift fork.

As to above-mentioned a kind of commutation improvement project of escape lock easily, shift fork is provided with the positioning boss that can rotate on the side of shift fork in dorsad in the rotation hole of this lock body shell outside described, is provided with corresponding groove and rotating boss between shift fork and each the outer shift fork in described.

As to above-mentioned a kind of commutation improvement project of escape lock easily, described reversed column and middle shift fork are integrated.

As to above-mentioned a kind of commutation improvement project of escape lock easily, described positive stop lug boss is direct stamping forming boss from this spacing square bar limit.

Compared with prior art, the beneficial effects of the utility model are: according to the L.H.flapped door or the needs of R.H.flapped door, as long as the jack square bar is blocked up to limited boss from the square hole one end reeve of pull-fork assembly, at this moment it is promptly capable of reversing to refill inside and outside handle, saved also will twist and got the operation that the screw on the pull-fork assembly commutates, so commutation of the present utility model is more convenient, the operation is simpler.

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

[description of drawings]

Fig. 1 is the stereogram of the utility model embodiment;

Fig. 2 is the structural representation of the outer shift fork one of the utility model embodiment;

Fig. 3 is the structural representation of the middle shift fork of the utility model embodiment;

Fig. 4 is the structural representation of the outer shift fork two of the utility model embodiment;

Fig. 5 is the pull-fork assembly of the utility model embodiment and the structural representation between the handle square bar assembly;

Fig. 6 is the stereogram of the handle square bar assembly of the utility model embodiment;

Fig. 7 is the front view of the handle square bar assembly of the utility model embodiment.

[specific embodiment]

The utility model is a kind of commutation escape lock easily, include oblique tongue 1, side's tongue 2, cover the lock body shell 3 that (not drawing among the figure) formed by lock body seat 31 and lock body, be arranged on the pull-fork assembly 4 in the lock body shell 3, control the Inclined bolt direction changing control device 5 that can oblique tongue 1 commutate, and the striking gear 6 of annexation is stirred in formation between pull-fork assembly 4 and square tongue 2, in the square hole 401 of described pull-fork assembly 4, be inserted with handle square bar 7, described handle square bar 7 includes central axis 71 and is arranged on this central axis 71 two ends, and can be around spacing in relative rotation square bar 72 of this central axis 71 and jack square bar 73, this spacing square bar 72 is provided with positive stop lug boss 721, in the present embodiment, described pull-fork assembly 4 includes two outer shift forks 41 and is clipped in middle shift fork 42 between them, all shift fork concentric swings, shown in Fig. 1-4, outside shift fork 41 dorsad in a side of shift fork 42 be provided with the positioning boss 411 that can in the rotation hole 33 of lock body shell 3, rotate, be provided with corresponding groove 43 and rotating boss 44 between shift fork 42 and each the outer shift fork 41 in described, outer shift fork 41 is rotated in lock body shell 3 flexibly, and also can rotate between the adjacent shift fork flexibly; Shift fork 42 forms with striking gear 6 and stirs annexation in described, the tail end of middle shift fork 42 can act directly on the sliding piece 61 of striking gear 6, because in design, when installing, the position relation of middle shift fork 42 and sliding piece 61 requires than higher, for this reason in the present embodiment, in the reversed column 8 that is provided with on the middle shift fork 42 on the sliding piece 61 that can act on this striking gear 6; The positive stop end 722 of described positive stop lug boss 721 outside the distance D of the nearest tail end of this spacing square bar 72 equals shift fork 41 and middle shift fork 42 respectively with that part of thickness W1, the W2 summation of these spacing square bar 72 contact surfaces.As shown in Figure 5, when rotation is arranged in handle (figure does not draw) on the spacing square bar 72, outer shift fork 41 and middle shift fork 42 that spacing square bar 72 can drive on it simultaneously and then rotate together, so just can be when the state of locking a door that square tongue one-level or secondary stretch out, by the reversed column 8 on the middle shift fork 42 make striking gear 6 produce action afterwards the side's of stirring tongue 2 enter in the lock body shell 3 and opened the door, thereby the handle that rotates on spacing square bar 72 during the state of locking a door that the side's of being implemented in tongue one-level or secondary stretch out is escaped; And when rotating the handle (figure does not draw) be arranged on the jack square bar 73, the outer shift fork 41 that it only drives on it rotates, also just can not make striking gear 6 produce action by the reversed column 8 on the middle shift fork 42, so when the state of locking a door that square tongue one-level or secondary stretch out, the handle that rotates on the jack square bar 73 can not be realized opening the door, and that is to say that handle on the jack square bar 73 can only stir oblique tongue and open the door and can not open the door by the side's of drive tongue.So the utility model when installing and using, will be with the spacing square bar 72 of positive stop lug boss 721 to be arranged in the room, and jack square bar 73 be arranged on outside the room, has fled from the disaster scene rapidly with regard to the handle on the rotatable spacing square bar 72 when escape.According to L.H.flapped door still is the needs of R.H.flapped door, as long as jack square bar 73 is blocked up to limited boss 721 from the square hole one end reeve of pull-fork assembly 4, at this moment refilling inside and outside handle gets final product, saved also will twist and got the operation that the screw on the pull-fork assembly 4 commutates, so commutation of the present utility model is more convenient, the operation is simpler.

Shown in Fig. 2,4, described two outer shift forks 41 equate with that part of thickness W1 of these spacing square bar 72 contact surfaces.Shown in Fig. 6,7, described positive stop lug boss 721 has four directly stamping forming boss from these spacing square bar 72 limits, certainly, also can adopt other structure, as long as can play position-limiting action.

The reversed column 8 that is arranged on the shift fork 42 can be that one die casting or essence are cast type with shift fork 42, also can adopt modes such as pin or screw to be secured on the middle shift fork 42.

Claims

1, a kind of commutation is escape lock easily, include oblique tongue, side's tongue, lock body shell, be arranged on the pull-fork assembly in the lock body shell, and the striking gear of annexation is stirred in formation between pull-fork assembly and square tongue, in the square hole of described pull-fork assembly, be inserted with the handle square bar, described handle square bar includes central axis and is arranged on this central axis two ends, and can be around spacing in relative rotation square bar of this central axis and jack square bar, this spacing square bar is provided with positive stop lug boss, it is characterized in that: described pull-fork assembly includes two outer shift forks and is clipped in middle shift fork between them, all shift fork concentric swings; Shift fork and striking gear form and stir annexation in described; The positive stop end of described positive stop lug boss outside the distance of the nearest tail end of this spacing square bar equals shift fork and middle shift fork respectively with that part of thickness summation of this spacing square bar contact surface.

2, a kind of commutation according to claim 1 escape lock easily, it is characterized in that: described two outer shift forks equate with that part of thickness of this spacing square bar contact surface.

3, a kind of commutation according to claim 1 and 2 escape lock easily is characterized in that: be provided with the reversed column on the sliding piece that can act on this striking gear on the shift fork in described.

4, a kind of commutation according to claim 3 escape lock easily, it is characterized in that: shift fork is provided with the positioning boss that can rotate on the side of shift fork in dorsad in the rotation hole of this lock body shell outside described, is provided with corresponding groove and rotating boss between shift fork and each the outer shift fork in described.

5, a kind of commutation according to claim 4 escape lock easily, it is characterized in that: described reversed column and middle shift fork are integrated.

6, a kind of commutation according to claim 5 escape lock easily is characterized in that: described positive stop lug boss is direct stamping forming boss from this spacing square bar limit.

7, a kind of commutation according to claim 3 escape lock easily, it is characterized in that: described reversed column and middle shift fork are integrated.

8, a kind of commutation according to claim 3 escape lock easily is characterized in that: described positive stop lug boss is direct stamping forming boss from this spacing square bar limit.