EP3425145A1 - Catch lock with fail-safe actuation - Google Patents

Abstract

Trap closure (2) consisting of two closure housings (2, 3), wherein a closure housing (3) is screwed to a frame or the like and has a rear handle (7) for lockingly receiving a clasp (4) of a second closure housing (2), wherein the clasp (4) is actuated by a handle (5) which can be pivoted spring-loaded against a spring (21) in a pivot axis (16) and wherein the second closure housing (2) is screwed to a movable component, the clasp (4 ) is spring-loaded pivotally mounted in the pivot axis (16) of the handle.

Description

The invention relates to a trap closure with reliable operation according to the preamble of claim 1.

Such a trap closure is, for example, with the subject of EP 1 119 675 B1 known. This trap closure consists of a fastened to a frame or the like first closure housing with a rear handle for locking receiving the trap of the trap closure, and a fastened to the door or the like second closure housing in which the case is slidably mounted. The trap can be opened by means of a handle against a spring force acting on it.

With this known trap closure, the problem is solved that in the conventional trap closures there is a gap between the two closure enclosures, in which a suitable tool, such as e.g. a screwdriver can be penetrated, with which it is then possible to push back the trap and thus open the door forbidden. This is possible even though the trap is completed.

With the EP 1 119 675 B1 Thus, the possibility is disclosed to protect doors against unauthorized manipulation.

A disadvantage of this known latch closure that it must be extremely stable for manipulation security and therefore made of a metal material. This increases the production and material costs of the trap closure.

In addition, a slight distortion of the frame or the door leaf to be closed leads to an inaccurate closing of this trap closure, as with the known latch closure both closure housing of the individual components must meet exactly so that the clasp ever comes into engagement. Thus, the sliding guide of the trapper is also susceptible to contamination.

The present invention is therefore based on the object to construct a trap closure, which is inexpensive to manufacture and ensures a secure closing of both closure housing even with warped doors or frames.

The objects underlying the invention are achieved by the features of the independent claims, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.

An essential feature of the present invention is that the clasp is pivotally mounted spring-loaded in the pivot axis of the handle, so that upon actuation of the handle at the same time the associated buckle is actuated because the handle engages a stop on the clasp and entrains it about the pivot axis.

With the pivoting arrangement of this latch compared to a spring-loaded sliding arrangement, there is the advantage of a reliable arrangement because it can be dispensed with contamination-prone sliding guides and acting on the clasp spring can be easily formed.

The spring extending about the pivot axis allows, upon reaching the maximum pivot position of the handle, that the clasp detaches in the region of the stop from the positive engagement of the handle and can be further pivoted in the pivoting direction.

It is particularly advantageous that the clasp is mounted on the same pivot axis, as the pivot axis of the lever and thus a particularly simple structural design is given.

The present invention dispenses with a costly closed metal housing and provides on both closure housings in each case at least one cover, which can be removed for the assembly of the individual closure housing, so that the underneath released Schraubaufnahmen can be used.

Such a use is that a screw or other fastening means can be passed through the previously hidden by the cover opening and can be inserted into a arranged at the bottom of the closure housing screw receptacle.

So it is possible to engage with a suitable tool in the opening and to fix the screw or the fastener.

The tool is for example a screwdriver.

For example, a screw can be placed over the opening in the screw holder and can then be tightened with a screwdriver. Since the screw comes under the closure housing in engagement with a thread, by tightening the closure housing can be fixed to the substrate.

After the individual closure housings have been fixed, the respective cover of the respective closure housing can be re-attached to the closure housing and securely latched there.

The removal of such a cover is possible only by using tools.

A further advantageous embodiment of the invention is that each of the closure housing pivotally mounted to each have an inclined surface, which come into contact when closing the trap closure. The inclined surfaces preferably have the same angle.

However, the present invention is not limited to the presence of inclined surfaces. A use of straight surfaces, wavy or serrated Fälchen is possible with the invention trap closure.

Furthermore, in a further embodiment, the first closure housing mounted on an immovable frame has at least one protruding centering pin, which can engage in a corresponding recess of the second closure housing movably guided on the first closure housing.

The centering pin preferably has a conical shape, so that a centering of the centering pin upon entry into the recess is possible.

However, any other shape is conceivable that allows entry into a recess. Thus, the centering pin may be formed as a hexagon or generally as a polygon, or have a cylindrical shape or have a torsion-resistant shape.

Also, the invention is not limited to two centering, also a centering or a plurality of centering is conceivable.

Thus, it is possible that the individual closure housing can close safely even with a distorted frame or a distorted door leaf.

The first closure housing has a pivotable handle with a locking cylinder therein. In this lock cylinder is a key is introduced. The key actuates the lock cylinder at the end of a lock bolt is mounted in the radial direction.

To close the latch, the key and the lock cylinder are turned, bringing the latch to rest on the back of the clasp.

This contact connection prevents the clasp can swing backwards and thus the trapper can be opened.

By turning the key again, the locking bolt can be brought out of contact with the clasp, as a result of which it can be actuated again freely and the trap closure can be opened.

By tilting the handle over a pivot axis, the buckle attached thereto is pivoted backwards and is thus no longer in engagement with the projection. The spring-loaded handle rests against a stop in a form-fitting manner on the likewise spring-loaded clasp.

The invention is not limited to pivoting the lock cylinder together with the handle during tilting, and also a fixedly mounted lock cylinder remaining in the lock housing is encompassed by the present invention. In this case, the handle has a corresponding hole-shaped recess which receives the lock cylinder again during the closing operation.

The subject of the present invention results not only from the subject matter of the individual claims, but also from the combination of the individual claims with each other.

All information and features disclosed in the documents, including the abstract, in particular those shown in the drawings Spatial training, are claimed as essential to the invention, as far as they are new individually or in combination over the prior art.

In the following the invention will be explained in more detail with reference to drawings showing only one embodiment. Here are from the drawings and their description further features essential to the invention and advantages of the invention.

• Figur 1: perspektivische Ansicht Fallenverschluss
• Figur 2: Seitenansicht Fallenverschluss
• Figur 3: Schnittdarstellung Fallenverschluss geöffneter Zustand
• Figur 4: Schnittdarstellung Fallenverschluss geschlossener Zustand
• Figur 5: Untersicht Fallenverschluss geöffneter Zustand
• Figur 6: Untersicht Fallenverschluss geschlossener Zustand
• Figur 7: Explosionszeichnung Fallenverschluss
• Figur 8: perspektivische Ansicht Fallenverschluss
• Figur 9: perspektivische Ansicht Fallverschluss
• Figur 10: perspektivische Ansicht Fallenverschluss

Show it:

• FIG. 1 : perspective view trap closure
• FIG. 2 : Side view of trap lock
• FIG. 3 : Sectional view of trap closure open condition
• FIG. 4 : Sectional view latch closure closed state
• FIG. 5 : Soffit trap closure open condition
• FIG. 6 : Soffit trap closure closed condition
• FIG. 7 : Exploded view trap closure
• FIG. 8 : perspective view trap closure
• FIG. 9 : perspective view drop lock
• FIG. 10 : perspective view trap closure

FIG. 1 shows the trap closure 1 according to the invention, which consists of the closure housings 2 and 3. The closure housing 2 has a pivotable handle 5 in which a key 6 is inserted, as well as a

Unlock 4. Opposite the closure housing 2 is the closure housing 3, which can receive the clasp 4 guided in the closure housing 2.

For actuating the latch closure 1, the handle 5 of the closure housing 2 is actuated, wherein the handle 5 can be locked and unlocked via a key 6.

The handle 5 is pivotally mounted via a pivot axis 16 in the direction of arrow 17.

If now the key 6 is actuated and the lock housing 2 unlocked, the handle 5 can be tilted over the pivot axis 16.

On the underside of the handle 5, the clasp 4 is attached, which also pivoted in the direction of arrow 17 backwards upon actuation of the handle in the direction of arrow 17.

The closure housing 2 has in the upper region of the example shown here two covers 12, which can be removed with the aid of a tool.

The closure housing 2 opposite the closure housing 3 is arranged.

The closure housing 3 also has a cover 13, which can also be removed by means of tools.

When closing the trap closure 1, the closure housing 2 comes with its end face 22, its inclined surface 24 and its end face 23 on the opposite side of the closure housing 3 in contact with correspondingly corresponding surfaces of the closure housing third

FIG. 2 shows the trap closure 1 in side view. The handle 5 is rotatably mounted on the axis of rotation 16 in the direction of arrow 17.
Below the handle 5 is the lock cylinder 18, which also pivots in the direction of arrow 17 from the closure housing 2 in a tilting movement of the handle 5.

However, the invention is not limited thereto. In a further embodiment, the lock cylinder may also be fixedly mounted in the housing and only the handle pivots.

In the lock cylinder 18, the key 6 is inserted.

If now the faler closure 1 is closed, the end face 22 of the closure housing 2 bears against the end face 25 of the closure housing 3.

Likewise, the inclined surface 24 of the closure housing 2 lays on the inclined surface 28 of the closure housing 3 and also the end face 23 of the closure housing 2 comes into contact with the end face 26 of the closure housing third
Thus, the closure housing (2, 3) each inclined at an angle to the closing direction, mutually associated inclined surfaces (24, 28), which come into contact when closing the latch closure (1).

The present invention is not limited to a direct contact of the individual surfaces to each other. Even at a distance of 2 millimeters, the trap closure according to the invention closes reliably.

For centering the two lock housings 2, 3 on each other, the inclined surface 28 has at least one centering pin 15, which engages in a corresponding recess 31 (not shown) of the closure housing 2 in the inclined surface 24.

FIG. 3 shows a sectional view of the latch closure 1. It can be seen how the key 6 is inserted into the lock cylinder 18, wherein the key 6 and the lock cylinder 18 are located on the axis of rotation 33.

Below the lock cylinder, a locking bolt 10 is mounted in radial continuation, is connected via a screw 20 with the lock cylinder 18.

Now, if the key 6 is rotated in the direction of arrow 34 on the axis of rotation, and mounted on the lock cylinder 18 locking bolt 10 is rotated accordingly in the direction of arrow 34.

In the longitudinal direction of the handle 5 is the pivot axis 16, via which the handle 5 is pivoted in the direction of arrow 17. The pivot axis is formed by the axis 36, on which also the clasp 4 is pivotally mounted.

The handle 5 is over the stop 38 in the region of the pivot axis 16 positively on the head 39 of the clasp 4 and thus takes them in a pivoting movement in the direction of arrow 17 with.

However, the pivoting movement of the handle 5 is limited by a nose 29 which comes into contact with a stop 30 when pivoting about the pivot axis 16 in the direction of arrow 17, whereby the handle together with clasp can not be pivoted further in the direction of arrow 17.

The nose 29 is material integral with the handle 5. In the present invention, not only a nose but also two or more such noses are claimed.

In order to ensure a better engagement, the clasp 4 on a spring 21 which a spring tension about the pivot axis 16 on around the clasp transfers. This spring force counteracts a movement in the direction of the closure housing 3.

In the closed state of the trap closure 1, the clasp 4 engages in a rear grip 7 of the closure housing 3. If the clasp 4 now engages in this rear grip 7, the upper side 37 of the clasp 4 bears against the horizontal projection 19 on the upper side of the rear grip 7.

When the latch is pivoted in, the individual closure housings 2, 3 can no longer be separated from one another in the vertical direction.

FIG. 4 shows the closure housing 1 in the closed state.

Now the clasp 4 engages in the rear handle 7 and comes to rest on the projection 19.

Repeated pivoting back of the clasp 4 in the direction of arrow 17 is prevented by the screwed lock bolt 10. This was rotated about the axis of rotation 33 in the direction of arrow 34 and now abuts the contact surface 35 of the clasp 4 and prevents them from pivoting back in the direction of arrow 17 on the axis of rotation 16 back.

Would now be the shooting bolt 10 no longer in contact with the contact surface 35 of the clasp 4, this can be pivoted in the direction of arrow 17 even when the handle 5 is not operated.

Would in FIG. 4 the locking bolt 10 does not rest on the back (contact surface 35) of the clasp 4, you can pivot the clasp in the direction of arrow 17 about the pivot axis 16 and operate, for example, with a screwdriver.

FIG. 5 shows the bottom view of the latch closure 1 according to the invention, which is shown in the open state.

The locking bolt 10 of the closure housing 2 is in this case outside the engagement of the closure housing third

Since now the locking bolt 10 is not applied to the contact surface 35 of the clasp 4, it is possible to pry the handle 5 up in the direction of arrow 17 so that clasp 4 is now released from the rear handle 7 and the shutter housing 2, 3 again against each other in the vertical direction can be separated.

In the middle slot between the shutter housings can be seen the two lugs 29 of the handle fifth

FIG. 6 shows the latch 1 in the closed state, wherein the locking bolt 10 has been pivoted in the direction of the clasp 4, and so abuts the contact surface 35 of the clasp 4, so that it can not be pivoted in the direction of the locking bolt and thus is fixed by the locking bolt 10.

FIG. 7 show the exploded view of the latch closure according to the invention 1. The closure housing in this case have individual covers 12, 13.

Thus, the closure housing 2 on the covers 12, which come in pairs on the top of the closure housing to rest.

These covers are removable only via a tool and allow access to the underlying openings 32 after removal.

In these openings 32 are the screw or nut mounts, which are needed to fix the individual closure housing 2, 3 on a base.

Likewise, the closure housing 3 on the covers 13, which in turn hide an opening 32 in which the screw or the mother shots are.

FIG. 8 shows a perspective view of the latch closure according to the invention, wherein the screw or the mother recordings are shown as slit-shaped recordings.

In these slot-shaped recordings, the respective screw or nut surfaces come to rest and can be removed at the top through the opening 32.

FIG. 9 again shows a perspective view of the latch closure 1 according to the invention, wherein the closure housing 3 as another feature essential to the invention at least one centering pin 15 which can engage in a corresponding recess 31 of the closure housing 2.

At least one centering pin 15 is in this case arranged on the inclined surface 24 of the closure housing 3. By this centering centering is possible, so that even if the individual closure housing 2, 3 are mounted on slightly distorted frame or doors a secure engagement of the two closure housing 2, 3 to each other is possible.

FIG. 10 shows a further perspective view of the latch closure 1, wherein the recesses 31 can be seen, in which at least one centering pin 15 is inserted.

The recesses may be made larger or smaller depending on the application, to provide a corresponding tolerance.

In the present invention, therefore, a secure placement of the individual closure housing with each other, by at least one

Centering pin and an opposite recess and that by the different, removable covers on the individual lock housings easy assembly is possible.

The subject of the present invention results not only from the subject matter of the individual claims, but also from the combination of the individual claims with each other.

All information and features disclosed in the documents, including the abstract, in particular the spatial design shown in the drawings, are claimed to be essential to the invention insofar as they are novel individually or in combination with respect to the prior art.

In the following the invention will be explained in more detail with reference to drawings showing only one embodiment. Here are from the drawings and their description further features essential to the invention and advantages of the invention.

As far as individual items are referred to as "essential to the invention" or "important", this does not mean that these items necessarily have to form the subject of an independent claim. This is determined solely by the current version of the independent claim.

Zeichnugslegende

1.

case closure

Second

shutter housing

Third

shutter housing

4th

clasp

5th

Handle

6th

key

7th

rear grip

8th.

screw receptacle

9th

attack

10th

deadbolt

11th

Screws / nut holder

12th

Cover (of 2)

13th

Cover (of 3)

14th

face

15th

spigot

16th

swivel axis

17th

arrow

18th

lock cylinder

19th

head Start

20th

screw

21st

feather

22nd

face

23rd

face

24th

sloping surface

25th

face

26th

face

27th

----

28th

sloping surface

29th

nose

30th

attack

31st

recess

32nd

opening

33rd

axis of rotation

34th

arrow

35th

contact area

36th

axis

37th

Top (of 4)

38th

attack

39th

head

Claims (10)

Trap closure (2) consisting of two closure housings (2, 3), wherein a closure housing (3) is screwed to a frame or the like and has a rear handle (7) for lockingly receiving a clasp (4) of a second closure housing (2), wherein the clasp (4) is actuated by a handle (5) which can be pivoted spring-loaded against a spring (21) in a pivot axis (16) and wherein the second closure housing (2) is screwed to a movable component, characterized in that Clasp (4) in the pivot axis (16) of the handle spring-loaded is pivotally mounted. Fallen closure (2) according to claim 1, characterized in that the pivot angle of the handle (5) in the pivot axis (16) of the handle (5) by a stop (38) is limited. Fallen closure (2) according to claim 1 or 2, characterized in that the pivot angle of the handle (5) in its pivot axis (16) by a closing side nose (29) in connection with a housing-side stop (30) is limited. Fallen closure (2) according to one of claims 1 to 3, characterized in that the closure housing (2, 3) each inclined at an angle to the closing direction, mutually associated inclined surfaces (24, 28), which in closing the trap closure (1) in contact come. Fallen closure (2) according to claim 4, characterized in that in the region of an inclined surface (28) of the closure housing (2, 3) at least one projecting centering pin (15) is arranged, in a corresponding recess (31) in the opposite inclined surface (24, 28) of the other closure housing (2, 3) can be brought into engagement. Fallen closure (2) according to claim 5, characterized in that the centering pin (15) and the recess are conically shaped. Fallen closure (2) according to one of claims 1 to 6, characterized in that in the pivotable handle a lock cylinder (18) with a rotatable locking bolt (10) is arranged. Fallen closure (2) according to one of claims 1 to 7, characterized in that the locking bolt (10) rests in the closed position of the lock cylinder (18) on the back of the clasp (4). The trap closure (2) according to one of claims 1 to 8, characterized in that both closure housings (2, 3) have a removable cover (12, 13) to ensure access to underlying screw receptacles (8). Fallen closure (2) according to one of claims 1 to 9, characterized in that the covers on the closure housing (2, 3) are latched.

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