CN103790438A

CN103790438A - Door safety lock

Info

Publication number: CN103790438A
Application number: CN201310324320.8A
Authority: CN
Inventors: S.莫图拉
Original assignee: Mottura Serrature di Sicurezza SpA
Current assignee: Mottura Serrature di Sicurezza SpA
Priority date: 2012-10-31
Filing date: 2013-07-30
Publication date: 2014-05-14
Anticipated expiration: 2033-07-30
Also published as: CN103790438B; RU2013135504A; RU2605176C2; ITTO20120957A1

Abstract

A door safety lock is provided with a latch (3) automatically locked into a position locking a door when a door is closed. Such automatic locking function can be inactivated in virtue of a disabling device. The disabling device interrupts operable connection between a detecting member (14) protruded from the housing (2) of a lock and designed to close a detecting door and a member (11) used for maintaining the latch in an inoperative position. Under a state that automatic locking is inactivated; the detecting member (14) cannot move the member (11) to a detached position thereof.

Description

For the safety lock of door

Technical field

The present invention relates to the safety lock for door, the safety lock for door of the type comprises: support housing; At least one fastens (bolt) with a bolt or latch, it can be in inoperative position and is movable between for the position of working of locking door, in inoperative position, in this support housing of its indentation (retract), in position in action, it extracts (extract) out from this housing; Spring assembly, it is tending towards this door bolt to promote towards its withdrawn position for locking door; Reserved unit, described door bolt is retained in its retracted position by its effect that is designed to directly or indirectly engage for resisting described spring assembly with described door bolt; And exploring block (feeler member), its flexibly towards this exploring block wherein from the outstanding position return (recall) of this support housing, and be designed to because closing of door enters described housing, to arrive the position that wherein this exploring block departs from described reserved unit, make this door bolt automatically buckle into (snap into) to the position for locking door with this.

Background technology

The invention particularly relates to the lock of specified type above, it is also provided with the device for making automatic fastening function forbidding (disable).For example, in document No.US4508378A, this type of lock is described.

Summary of the invention

The object of the present invention is to provide the lock of the specified type above with the device for making automatic fastening function forbidding, it is simple, effectively and have a several functions especially.

In order to realize object above, lock according to the present invention is characterised in that, the aforementioned means that is designed so that automatic fastening function forbidding comprises (displaceable) control assembly that can move at inoperative position with between for the active position that automatic fastening function is forbidden, in active position, aforementioned control assembly makes the exercisable disconnecting between described exploring block and described reserved unit, thereby makes the indentation campaign of exploring block no longer can make reserved unit move in its disengaging configuration.

In a preferred embodiment, this lock comprises mechanical driving device, this mechanical driving device is operatively connected to exploring block door bolt reserved unit, this mechanical driving device comprises lever (lever), lever be mounted to it can be slided by this way and around lock support housing in pin swing: lever can, with respect to support housing linear slide, can swing around pin again.In the time that automatic fastening function is effective, lever above with respect to its swinging axle in the first angle position.When user acts on aforementioned control assembly so that automatic fastening function while losing efficacy, lever is brought in the second angle position with respect to its swinging axle.In the time that lever is in its first angle position, it in the effective range of aforementioned exploring block, this cause lever caused by closing of door exploring block be retracted to the housing of lock in after carry out linear slide.The linear slide of lever via the mechanical driving device of any type then make to fasten with a bolt or latch reserved unit and retreat from its bonding station, enters to locked position latch.Contrary when aforementioned lever is in its second angle position, it has exceeded the effective range of exploring block, exploring block is moved invalid, is included on the mechanical driving device of fastening reserved unit with a bolt or latch and do not act on.Thereby when in the position of aforementioned control assembly in making automatic fastening function forbidding, when even after door is closed, exploring block is retracted in the housing of lock, door bolt reserved unit is still bonded on and latches, and is retained in open position.

Due to aforesaid structure and layout, device according to the present invention is easy to produce and assembling, and effective operation and reliable.

Accompanying drawing explanation

Further feature of the present invention and advantage will show from accompanying drawing, and these accompanying drawings provide in the mode of limiting examples completely, and therein:

Figure 1A is according to the view of the preferred embodiment of lock of the present invention, and the lid of its middle shell is partly cut across to illustrate the element of its inner side, aforesaidly illustrates lock under open mode in the time that automatic fastening function is effective;

Figure 1B is according to the cross sectional view of the line A-A of Figure 1A;

Fig. 1 C is the lateral view of the lock of Figure 1A, wherein for the clear housing of removing part;

Fig. 2 A is the view corresponding with the view of Figure 1A, and it shows the lock under different operating state;

Fig. 2 B is the rear elevation of the frame for movement of the lock under illustrated state in Fig. 2 A;

Fig. 3 is another rear elevation of the frame for movement of the lock under another mode of operation;

Fig. 4 A is the lateral view corresponding with Fig. 1 C, and it shows the lock under the state that makes automatic fastening function forbidding;

Fig. 4 B is the front elevation drawing of the frame for movement of the lock under illustrated state in Fig. 4 A; And

Fig. 5 shows another front elevation drawing of the frame for movement of the lock that makes automatic fastening function forbidding.

The specific embodiment

With reference to drawing, according to the embodiment of lock of the present invention as a whole by 1 sign.Lock 1 comprises the metallic support housing 2 of the shape that presents quadrangle box body, and it has end rear wall 2a, upper end wall 2b and lower end wall 2c, and opposed sidewall 2d, 2e.This housing is closed by cap seal, in drawing its by Partial Resection and/or remove so that the inner body of lock to be shown.

According to routine techniques, lock comprises door bolt 3, door bolt 3 comprises two or more locking pin 3a and is slidably mounted between the inherent inoperative position of housing and the position for locking door, in inoperative position, sell in 3a indentation housing, draw from the sidewall 2d of housing 2 selling 3a for the position of locking door.Except fastening with a bolt or latch 3, this lock comprises the plate 4 for actuating auxiliary door bolt (not shown), plate 4 can vertically be slidably mounted in housing, and has respectively upper end 4a and bottom 4b that the opening from forming among the upper end wall 2b of housing 2 and lower end wall 2c is drawn.Plate 4 is operatively connected to door bolt 3 by such form: in the time that door bolt 3 moves to its withdrawn position from its retracted position, plate 4 moves to lifting position (raised position) from down position (lowered position).This obtains by the mechanical driving device that comprises oscillating deck 5 (visible in Fig. 3), oscillating deck 5 swings and installs around the axle 6 on the support housing of lock, and is operatively connected to respectively plate 4 and is connected to door bolt 3 by eyelet coupling (pin-slit coupling) 7,8.Due to above-described layout, the vertical movement of plate 4 has determined the rotation of plate 5 around its axle 6, and moving horizontally of door bolt 3 occurs thereupon.According to routine techniques, end 4a, the 4b of plate 4 is designed to be connected to other door bolt frame for movement, these door bolt Design of Mechanical Structures become in this article in two other region of the above and below arrangement separated by a distance of illustrated lock by door locking in off position under.

In housing, be provided with helical spring 9, it is operatively placed between the wall 2c of plate 4 and housing, and is tending towards plate 4 to promote towards the position of rising, lock.Spring catch (pin spring) 10 plays similarly effect, spring catch 10 is arranged on the adjacent place of spring 9 and is operatively placed in housing and with respect between door bolt 3 fixing pin 10a, door bolt 3 is promoted towards its withdrawn position for locking door being tending towards.

According to being equally in fact conventional technology, door bolt 3 usually remains in its retracted position with plate 4, carrys out the effect of

antagonistic spring

9,10 in illustrated example by the reserved unit being made up of the bend 11 (Figure 1A) of rocking lever 12 (Fig. 2 B).The bend 11 of lever 12 is designed to engage with brake area 400 (Figure 1A), and brake area 400 is formed on the edge of the shaping opening 40 being arranged in plate 4.When plate 12 is in Figure 1A in illustrated position time, plate 4 is locked at the effect of antagonistic spring 9 in its down position, and due to the connection that oscillating deck 5 forms, therefore this has determined that door bolt 3 is retained in its retracted position.

According to being equally in fact conventional technology, lock according to the present invention is provided with exploring block 14, and exploring block 14 is slidably mounted in support housing, be positioned at exploring block 14 wherein from the outstanding withdrawn position of the sidewall 2d of housing (Figure 1A) with wherein between the position of exploring block 14 indentation housings.That be associated with exploring block 14 is helical spring 14a, its by parts 14 towards withdrawn position return.

In the time that door is closed, because the framework of door is not imagined and had any recess in the residing position of exploring block, exploring block 14 is forced to return in the housing of lock.Lock frame for movement make the indentation of exploring block 14 cause reserved unit 11 from its position (this position, reserved unit 11 is bonded on junction plate 4) return, so that plate 4, because spring 9 buckles into its lifting position, so also makes to fasten with a bolt or latch 3 and fastens towards withdrawn position.For this purpose, exploring block is operatively connected to reserved unit 11 by the mechanical driving device that comprises plate 15, and plate 15 swings and installs around the axle 16 of pin 17, and pin 17 engages with the groove 15a of plate 15 slidably.Due to aforesaid layout, plate 15 can, with respect to pin 17 (flatly, as observed in figure) slip point-blank, can swing around pin self again.

In the time that automatic fastening function is effective, lever 15 is in Figure 1A in illustrated angle position.In this state, the indentation of the exploring block 14 being caused by closing of door (seeing Fig. 2 A) makes the surface 150 of exploring block against engagement, levers 15, makes the latter move horizontally (seeing Fig. 2 A) with respect to pin 17.After the aforementioned sliding motion of lever 15, the position that the surface 400 of the pin 151 being supported by lever 15 opening 40 in slave plate 4 by the bend of lever 12 11 departs from promotes.Therefore, lever 12 and reserved unit 11 move in the position shown in Fig. 3, and plate 4 can buckle into lifting position illustrated in Fig. 3 under the promotion of spring 9.Meanwhile, oscillating deck 5 and spring 10 will be fastened 3 with a bolt or latch and be promoted (seeing Fig. 3) towards its withdrawn position.

Arrive this, described the conventional operation of the lock in the time that automatic fastening function is effective.

As above mentioned, lock according to the present invention has been imagined the device for making automatic fastening function forbidding.For this purpose, lock according to the present invention comprises the control assembly 21 (for example seeing Fig. 1 C) being made up of lobe plate 21, and lobe plate 21 swings and installs around the axle 22 in the sidewall 2d of lock, and is provided with columniform knob (knob) 20.It is outstanding on the outside of housing 2 that knob 20 is passed in the arched seam 21a forming in wall 2d, and it defines two end positions of plate 21.Plate 21 plays cam part, for controlling the position (seeing Figure 1A and Fig. 1 C) of slurcam 23, it is adjacent with the inner surface of wall 2d of the housing of lock, and by the pin 24 of wall 2d that is fixed to housing being bonded in the seam 25 forming in plate 23 and with respect to aforesaid wall 2d directed (Fig. 1 C) slidably.

Plate 23 comprises the bent projection portion 230 that contacts with the end 152 of lever 15 of being designed to.

In the time that knob 20 is in its down position (illustrating in Fig. 1 to Fig. 3), plate 23 is inevitable in its extreme lower position, makes the automatic fastening function of lock effective.In fact, in this state, in the time that door is closed, exploring block 14 is retracted in the housing of lock, and engage with the surface 150 of lever 15, thereby make this lever horizontal slip, and occur that reserved unit 11 departs from and plate 4 and door bolt 3 buckle into its position for locking door thereupon.In the time that knob 20 is brought in its lifting position, (in Fig. 4 A, Fig. 4 B and Fig. 5, illustrate) on the contrary, plate 23 moves up, and makes plate 15 rotate the effect of antagonistic spring pin 170 around pin 17.As visible in Fig. 4 A, the cam contour of oscillating deck 21 is shaped by this way: in the lifting position of knob 20, the nose 210 contacting with plate 23 in plate 21 has exceeded position, dead point (dead-centre), makes to be tending towards making the spring 170 that lever 15 and plate 23 return self to cause plate 21 to be locked in new lifting position downwards.

As visible in Fig. 4 B and Fig. 5, in the aforementioned lifting position of plate 15, the latter has exceeded the effective range of exploring block 14, make when door while closing exploring block 14 be retracted in the housing of lock 2, but do not work in aforesaid movement without any against engagement, levers 15 in the situation that.So under the state losing efficacy at this automatic fastening function, in the time that door is closed, door bolt 3 and plate 4 can not buckle into automatically to the position for locking door.

As apparent from previous description, in lock according to the present invention, imagine for making the device of automatic fastening function forbidding present simple in structure and operation feature effectively and reliably.

In current description, do not illustrate other details of the lock that does not relate to theme of the present invention (, not being directly involved in automatic fastening function and inefficacy thereof).Certainly; lock is provided with by key and is used for the frame for movement of any known type of operation; also be provided with the frame for movement (in the drawings with 50 signs) for actuating " half way around "; but aforementioned details is not described in this article, because they can provide and (comprise them oneself) do not fall within the scope of protection of the present invention with any known way.

Certainly,, without prejudice to the principle of the invention in the situation that, the details of structure and embodiment may great changes will take place with respect to what completely described and illustrated by the mode of example herein, thereby do not depart from protection scope of the present invention.

Claims

1. for the safety lock of door, it comprises:

-support housing (2);

-at least one fastens (3) with a bolt or latch, it can move between inoperative position and the position of working for locking door, the inner side of support housing (2) described in its indentation in described inoperative position, in described position of working, it is outwards outstanding from described support housing (2);

-spring assembly (9,10), it is tending towards described door bolt (3,4) to promote towards its extrusion position for locking door;

-holding member (11), it is suitable for engaging with described door bolt (3,4) directly or indirectly, for the effect of resisting described spring assembly (9,10), it is remained in its retracted position; And

-exploring block (14), it is flexibly towards from the outstanding location bias of described support housing (2), and be suitable for because closing of door enters in described support housing (2), to arrive the position that wherein said exploring block (14) departs from described holding member (11), thereby make described door bolt (3,4) automatically move rapidly to its position for locking door

Wherein said lock also comprises the device of the automatic fastening function forbidding for making door,

It is characterized in that, for making the described device that the automatic fastening function of door is forbidden comprise the control assembly (20 that can move at inoperative position and between for the active position that automatic fastening function is forbidden, 21), at control assembly (20 described in described active position, 21) make the exercisable disconnecting between described exploring block (14) and described holding member (11), thereby make the indentation campaign of described exploring block (14) no longer can make described holding member (11) towards its disengaging configuration motion.

2. safety lock according to claim 1, it is characterized in that, it comprises the first lever (15) that can slide and can install pivotally with respect to pin (17), and in the time that described control assembly is brought to its active position from its inoperative position, described control assembly makes described the first lever (15) enable position from first to rotate to the second disabled position.

3. safety lock according to claim 2, it is characterized in that, in the time that described the first pivot rotaring lever (15) rotation is enabled position to it, when in support housing (2) described in described exploring block (14) indentation, it can be engaged by described exploring block (14), make described exploring block (14) cause the sliding motion of described lever (15), this causes that described holding member (11) moves accordingly towards its disengaging configuration, make described door bolt (3, 4) move to its locked position, but, in the time that described lever (15) rotates to its disabled position, it is outside the effective range of described exploring block (14), while making the inner side when support housing (2) described in described exploring block (14) indentation, it no longer can engage with described lever, so that described holding member (11) is still in its bonding station, wherein said door bolt (3, 4) remain in its inoperative position.

4. safety lock according to claim 3, it is characterized in that, described control assembly comprises pivot plate (21), described pivot plate (21) plays cam member, be used for causing the sliding motion of push mechanism (23), described push mechanism (23) promotes towards it described the first lever (15) for the rotation disabled position that makes automatic fastening function forbidding.

5. safety lock according to claim 4, it is characterized in that, be provided with spring assembly (170), described spring assembly (170) is tending towards described the first lever (15) to enable position rotation towards it, and thereby keep described pushing member (23) against the described cam pivots plate (21) that forms described control assembly, and in the active position of described lobe plate (21), the nose (210) of the described plate contacting with described pushing member (23) has overcome dead-centre position, make described return spring device (170) be tending towards described control assembly (21) to remain in its active position.

6. according to the safety lock described in above-mentioned any one claim, wherein said lock comprises: door bolt (3), and its sidewall from the described support housing of described lock (2d) is given prominence to; And for operating the plate (4) of auxiliary door bolt, it can vertically be slidably mounted in described support housing (2) and from upper end wall (2b) and the lower end wall (2c) of described support housing (2) and give prominence to, being operatively connected to described door bolt (3) for the described plate (4) that operates described auxiliary door bolt makes when described door bolt moves to the position that its locking works from its inoperative position, operation panel (4) moves to the second place vertically from primary importance

Described lock is further characterized in that described holding member (11) directly engages with the described plate (4) for operating described auxiliary door bolt.

7. safety lock according to claim 6, it is characterized in that, described holding member is made up of the bent projection portion (11) that is pivotally mounted on the second lever (12) in described housing (2), and described jut (11) is suitable for the stop surfaces (400) forming on the edge of perforate of the described plate (4) for operating described auxiliary door bolt against being bonded on.

8. safety lock according to claim 7, it is characterized in that, described the first lever (15) is provided with and in the time that described the first lever is promoted by described exploring block (14), is suitable for the pin (151) towards its disengaging configuration promotion by described jut (11).