EP2796645B1 - Bolt lock of a piece of furniture - Google Patents

Description

The present invention relates to a bolt lock of a piece of furniture according to the preamble of claim 1.

Generic latch locks for furniture are known in numerous embodiments of the prior art and usually consist of a example mounted on a furniture door lock housing in which a bolt via an actuator, such as a knob, from a closed position to an open position or vice versa or is rotatable. In the closed state, the bolt is engaged with a closure counterpart mounted, for example, on the furniture body, so that the furniture door, in which the lock housing of the bolt lock is embedded, holds the furniture body in the closed state (see, eg, document US2006 / 267349A1 ).

Such bolt locks are mounted in different positions of a furniture door, for example, in the way that the bolt extends beyond a vertical end face of the furniture door out into the corresponding closure counterpart. Furthermore, such a bolt lock can also be arranged in the region of a horizontal end face of the door, with the bolt extending beyond the horizontal end edge into a closure counterpart attached to the floor or a ceiling of a furniture body, so that different bolt locks must be used for the possible different attachment locations , provided that the geometry of the lock housing prescribes the mounting in a predetermined position.

Object of the present invention is to provide a bolt lock that can be attached at the same orientation of the lock housing at different positions of a piece of furniture, especially a furniture door.

This object is achieved by a bolt lock with the features of claim 1.

According to the invention, the bolt on a locking unit with at least one perpendicular to the closing direction of the bolt extending leading edge, the is applied to a movable in the closing direction by actuating the actuating element driver, wherein the guide edge and the driver are positioned so that the locking unit can be attached to the lock housing in a plurality of angular positions.

Advantageous embodiments of the invention are the subject of the dependent claims.

According to an advantageous embodiment of the invention, a spring element is received in the bolt lock, which is in operative connection with an integrally formed on the bolt abutment that the bolt is held in the relaxed state of the spring element in a closed position. By receiving the spring element in the latch housing is made possible that the latch is always able to hold in different positions of the locking unit on the lock housing of the bolt in the closed position.

According to a further advantageous embodiment, the actuating element is designed as a rotary handle, in particular as a rotary knob and rotatably coupled to a housing arranged on the guide disc, in which the driver is formed or fixed at a radial distance from the axis of rotation of the guide disc. By the guide disc with the driver is a simple and inexpensive to bewerkstelligende power transmission of the actuating element allows the bolt.

According to a further preferred embodiment variant, the guide disk has a central polygonal recess in which a pin which is designed with a correspondingly polygonal shaped cross-section and which rotates with the actuating element can be received. The cross section of this pin and corresponding to the recess is preferably formed square, so that the locking unit in three offset by 90 ° angular positions in the lock housing can be attached. In this way, the bolt lock can be used both for locking a door in the floor area and in the ceiling area and a side wall, with only the locking unit must be mounted in the appropriate position on the lock housing prior to assembly of the bolt lock.

For exact stationary adjustment of the latch housing to the lock housing is the latch housing and its the lock housing facing surface provided with openings for the positive reception of the latch housing facing the surface of the lock housing projecting receiving sleeves. These receiving sleeves are preferably designed as screw sleeves, so that the latch housing can be mounted in a simple manner, for example with two screws on the lock housing.

According to a further advantageous embodiment of the invention, a lower end in the closing direction of the bolt is connected to a closing or opening movement of the bolt reversing mechanical element to which a further latch is connected. As a result, a two-point lock is made possible by the bolt lock in a simple manner.

In a further preferred embodiment, the guide disc is detachably attachable to the lock housing. This makes it possible, in particular with appropriate cross-sectional design of the pin and the recesses in the guide disc, the possibility to attach the locking unit in further angular positions on the lock housing, in which the closing direction of the bolt arranged the driver in the closed position on a 180 ° position of the guide disc have to be.

The bolt lock is provided according to a further preferred embodiment with a lock cylinder for locking the actuating element, wherein the lock cylinder is accommodated in an opening of the actuating element.

Additionally or alternatively, the bolt lock is provided in a further preferred embodiment with a built-in lock housing combination lock. In the latter embodiment, it is possible that the bolt lock can only be operated by persons who know either in possession of a lock cylinder matching key or possibly the correct numerical code to open the combination lock.

In a further preferred embodiment, the circumference of the lock housing is stepped. This is a simple way of securing the bolt lock in a correspondingly sized recess of a furniture body, a furniture door, drawer or the like allows. In this case, the circumference of the lock housing particularly preferably has a step raised with respect to a central part of the housing circumference and a step which is lowered relative to a central part of the housing circumference, see also FIG that an attachment, in particular jamming of the bolt lock on a wall of a furniture body, a furniture door, drawer or the like of different materials such as wood, metal, glass and associated different material thicknesses is possible.

Figur 1

eine perspektivische Ansicht eines Ausschnitts einer Möbeltür oder eines Möbelkorpus mit darin angeordneter Ausführungsvariante eines erfindungsgemäßen Riegelschlosses,

Figur 2 und 3

Draufsichten auf das Riegelschloss in der Entriegelungs- bzw. Verriegelungsposition,

Figur 4

eine Ansicht auf die Vorderseite des Riegelschlosses aus Figur 1 mit Riegel in der Verriegelungsposition,

Figur 5

eine perspektivische Ansicht des Riegelschlosses aus Figur 1 mit darüber gezeigten Riegeleinheiten in unterschiedlichen Winkelpositionen,

Figur 6

eine perspektivische Teilexplosionsdarstellung eines Riegelschlosses aus Figur 1,

Figur 7

eine perspektivische Ansicht der in Figur 6 gezeigten Ausführungsvarianten der Riegeleinheit,

Figuren 8a und 8b

unterschiedliche perspektivische Ansichten des Riegels der Riegeleinheit der Figur 7;

Figur 9

eine Schnittansicht der Riegeleinheit mit Darstellung eines Federelementes,

Figuren 10a und 10b

unterschiedliche Darstellungen einer des in den Figuren 2 und 3 gezeigten Verschlussgegenstücks und

Figuren 11 und 12

unterschiedliche Darstellungen einer Ausführungsvariante des Riegelschlosses mit je Schließ- oder Öffnungsbewegung des Riegels umkehrmechanischem Element und weiterem Riegel zur Nutzung als Zweipunktverriegelung.

Hereinafter, preferred embodiments of the invention will be explained in more detail with reference to the accompanying drawings. Show it:

FIG. 1

a perspective view of a detail of a furniture door or a furniture body arranged therein embodiment of a bolt lock according to the invention,

FIGS. 2 and 3

Top views of the bolt lock in the unlocking or locking position,

FIG. 4

a view of the front of the bolt lock FIG. 1 with latch in the locking position,

FIG. 5

a perspective view of the bolt lock FIG. 1 with locking units shown above in different angular positions,

FIG. 6

a perspective Teilxplosionsdarstellung a bolt lock FIG. 1 .

FIG. 7

a perspective view of in FIG. 6 shown embodiments of the locking unit,

FIGS. 8a and 8b

different perspective views of the bolt of the locking unit of FIG. 7 ;

FIG. 9

a sectional view of the locking unit with representation of a spring element,

Figures 10a and 10b

different representations of the one in the Figures 2 and 3 shown closure counterpart and

FIGS. 11 and 12

different representations of a variant of the bolt lock with each closing or opening movement of the bolt reverse mechanical element and further latch for use as a two-point lock.

In the following description of the figures, terms such as top, bottom, left, right, front, back, etc. refer exclusively to the exemplary representation and position of the bolt lock, the lock housing, the bolt unit, the bolt and the like, as selected in the respective figures. These terms are not intended to be limiting, that is to say, by different working positions or the mirror-symmetrical design or the like, these references may change.

In FIG. 1 is designated by the reference numeral 1 a total of a variant of a bolt lock according to the invention. The bolt lock 1 is shown here in the installed state, wherein the reference numeral 2 denotes, for example, a section of a furniture carcass or a furniture door.

The bolt lock 1 consists essentially of a lock housing 3, on which, for example, in FIG. 4 shown in a plan view user side an actuating element 4 for actuating a on the lock housing 3 on the opposite side of the actuating element 4 of the lock housing 3 arranged locking unit 5 is provided. The actuating element 4 is preferably designed as a rotatable about a rotational axis A rotary handle.

The locking unit 5 consists essentially of a latch housing 51 and a latch 52 which is linearly displaceable by actuating the actuating element 4 relative to the latch housing 51 in a closing direction S.

In the in FIG. 2 and 3 shown top views is the bolt lock 1 on the one hand ( FIG. 2 ) with a latch 52 in the open position and on the other ( FIG. 3 ) is shown in the closed position, wherein in the closed position, the bolt 52 with a, for example, on (not shown) furniture body mounted closure counterpart 7, which, as shown in Figure 10a and 10b, provided with a central receiving surface for receiving the front end of the bolt 52 is engaged.

It is also conceivable, of course, the attachment of the bolt lock on a part of a furniture body, in which case the respective closure counterpart 7 is preferably mounted on the inside of the door of the furniture door.

The locking unit 5, in detail in the FIGS. 5 to 9 shown, has a latch housing 51 in which a latch 52 is slidably mounted. A front end 521 of the bolt 52 is in this case bevelled at its front outer edge with respect to an adjoining middle part 522, shown in FIGS. 8a and 8b, and is preferably provided with a step towards the middle part 522, which is pushed into the latch housing 51 at maximum Condition of the bolt 52 abuts the latch housing 51. The bevel in the front region of the front end 521 of the bolt 52 serves to push the bolt with a minimum of force over a preferably also bevelled outer edge of the closure counterpart before its inclusion 71.

As can be seen in particular in Figures 8a and 8b, the bolt 52 in the region of its central portion 522 has a perpendicular to the closing direction S extending guide edge 525, which can be moved to a closing direction S by operating the actuating element 4 driver 91, shown in FIG FIG. 5 , is present.

Upon actuation of the actuating element 4, the driver 91 from his in FIG. 5 shown position by actuating the actuating element 4 in a direction opposite to the closing direction S moves. The bolt is made of a in FIG. 7 shown closed position relative to the latch housing 51 in the in the FIGS. 6 or 5 shown moved position in the latch housing 51, so that the bolt 52 from its in FIG. 3 shown closing position in the in FIG. 2 shown opening position is moved.

In a particularly preferred embodiment variant, a spring element 526 is accommodated in the latch housing 51, which is connected to an abutment 523 integrally formed on the latch 52, so that the latch 52 is held in the closed position with the spring element 526 fully relaxed.

If the latch 52 is moved back into the latch housing 51 by actuation of the actuating element 4 from its closed position in its open position, in the in FIG. 9 shown embodiment, in which the Spring element 526 is designed as a compression spring, this spring element 526 compressed, so that after the actuation of the actuating element 4, the bolt 52 is pushed by the spring element 526 mechanically back into its closed position.

The abutment 523 is preferably formed on the central part 522 of the bolt 52, as shown in Figure 8a. It is also conceivable as a separate component on the central portion 522 of the bolt 52 mountable abutment 523rd

As in FIG. 5 is shown, the locking unit 5 can be mounted in different angular positions on the lock housing 3. Through the coupling of the bolt 53 with the driver 91, which is preferably formed or fixed on a guide plate 9, is in all of the three in FIG. 5 shown locking units 5 by the movement of the driver 91 from his in FIG. 5 shown position in a different position retraction of the bolt 52 from the closed position to the open position ensured.

The guide plate 9 is preferably inserted in a recess on the actuating element 4 opposite side of the lock housing 3 molded recess and rotatably coupled to the actuator 4, for example, by a molded on the actuator 4 or coupled thereto with a pin polygonal shaped cross section, the one central polygonal recess 92 of the guide plate 9 passes, so that the actuating element 4 is rotatably coupled to the guide plate 9 and thus by actuation of the actuating element 4, a movement of the driver 91 is effected.

At the in FIG. 5 1, the recess 92 and corresponding cross-sections of the spigot rotating with the actuating element 4 (not shown) are square, so that the locking unit 5 can be attached to the lock housing 3 in three angular positions offset by 90 °, as are the differently oriented locking units 5 in FIG. 5 clarify.

For fixing the locking unit 5 to the lock housing 3, openings 57 are preferably provided on the locking housing 51 on a surface facing the lock housing 3 for the positive reception of receiving sleeves 32 projecting from the surface of the lock housing 51 facing the lock housing 51. These receiving sleeves 32 are preferably with a Provided internal thread, so that the locking unit 5 are preferably screwed into the receiving sleeves 32 with two screws 55 which pass through holes 53 in the latch housing 51 therethrough.

In the embodiment shown here, the latch housing 51 is formed in four equally spaced openings 57 and corresponding lock housing 3 with four such receiving sleeves 32, so that the locking unit 5 with two introduced on opposite sides of the latch housing screws 55 on the lock housing 3 can be fixed.

The spring element 526 is, as in FIG. 5 is shown, preferably inserted in an outwardly curved cavity 54 within the latch housing 51, so that the latch housing overall constructed relatively narrow and the movement of the bolt 52 is not hindered.

To close the bolt lock 1 is the bolt lock 1, such as in the FIGS. 1 . 4 . 6 and 12 can be clearly seen, provided with a lock cylinder 8 which is received in an opening 42 of the preferably designed as a rotary handle or knob knob 4.

The lock cylinder 8 is preferably designed as an interchangeable cylinder with interchangeable cylinder core 82, so that the bolt lock 1 can be closed or opened by means of a suitable key in a keyway 81 of the cylinder core 82 key.

Additionally or alternatively, the bolt lock 1 has a combination lock 6 with a plurality of adjustable number wheels, which is preferably integrated in the lock housing 3, wherein the number wheels protrude from corresponding openings of a front panel 31 of the lock housing 3 and with which the actuator 4 is locked or unlocked ,

The front panel 31 is preferably also the attachment, in particular clamping, of the bolt lock 1 on the furniture body 2 or the furniture door. As in FIG. 1 is shown, the material thickness of the furniture body or the furniture door corresponds here approximately to the circumferential width of the lock housing. 3

On the side facing away from the front panel 31 edge of the circumference of the lock housing 3, the circumference is stepped, with a relation to a central part 35 of the housing circumference rising stage 33, so that the lock housing for installation in the furniture body 2 or the furniture door inserted from the inner wall of the furniture body 2 or the inside of the furniture door in a corresponding recess and then fixed by attaching the front panel 31 on the lock housing 3, in particular can be clamped.

For fastening the bolt lock 1 in a thinner and / or other material, such as metal, especially steel, or glass existing furniture body or the furniture door is in the in FIG. 2 shown preferred embodiment on the lock housing 3 extending in the plane of the furniture body or furniture door further lowered with respect to the middle part 35 level 34 or groove in the front panel 31 near the area of the housing circumference for receiving a wall of the furniture body or the furniture door provided whose width in Direction of the axis of rotation A of the actuating element 4 is dimensioned so that the existing of the thinner material such as steel or glass wall by means of the front panel 31 can be clamped.

In the in the Figures 11 and 12 shown embodiment variant of the bolt lock 1 is also attached to a rear end 524 of the bolt 52, a connecting rod 10, for example by a screw 13, arranged on the one to the closing or opening movement of the bolt 52 reversing mechanical element 11, for example in the form of a mechanical reverse gear to which another latch 12 is connected.

Thus, a two-point locking is ensured with this embodiment of the bolt lock 1, with the example, a fastened to a furniture door bolt lock can be locked simultaneously on a bottom part and a ceiling part of a furniture body.

LIST OF REFERENCE NUMBERS

1

bolt lock

2

furniture door

3

lock housing

31

front panel

32

receiving sleeve

33

step

34

step

35

midsection

4

actuator

41

web

42

opening

5

locking unit

51

bolt housing

52

bars

521

front end

522

midsection

523

abutment

524

rear end

525

leading edge

526

spring element

527

guide channel

53

drilling

54

bulge

55

screw

56

housing cover

57

drilling

58

recess

6

Combination lock wheels

7

Closure counterpart

71

admission

8th

lock cylinder

81

keyway

82

cylinder core

9

guide disc

91

takeaway

92

recess

10

connecting rod

11

mechanical element

12

bars

S

closing direction

A

axis of rotation

Claims (16)

1. A bolt lock, in particular for furniture, comprising

   - a lock housing (3),

   - an actuating element (4), which is arranged on the lock housing (3), for actuating a bolt unit (5) arranged on the lock housing (3),

   - wherein the bolt unit (5) comprises a bolt housing (51) and a bolt (52), which is linearly displaceable in relation to the bolt housing (51) in a closing direction (S) by actuating the actuating element (4),
   characterized in that

   - the bolt (52) has at least one guide edge (525), which extends perpendicularly in relation to the closing direction (S), against which a driver (91), which is movable in the closing direction (S), is applied by actuating the actuating element (4),

   - wherein the guide edge (525) and the driver (91) are positioned such that the bolt unit (5) is attachable in multiple angle positions to the lock housing (3).
2. The bolt lock (1) according to Claim 1, characterized in that a spring element (526) is accommodated in the bolt housing (51), which spring element is operationally connected to a buttress (523) formed on the bolt (52) such that the bolt (52) is held in a closed position.
3. The bolt lock (1) according to Claim 1 or 2, characterized in that the actuating element (4) is formed as a rotating handle.
4. The bolt lock (1) according to any one of the preceding claims, characterized in that the actuating element (4) is coupled in a rotationally-fixed matter to a guide plate (9) arranged on the lock housing (3), on which the driver (91) is formed or fastened having radial spacing from the axis of rotation of the guide plate (9).
5. The bolt lock (1) according to Claim 4, characterized in that the guide plate (9) has a central polygonal recess (92), in which a pin, which is formed having a corresponding polygonal cross section and rotates with the actuating element (4), can be accommodated.
6. The bolt lock (1) according to Claim 5, characterized in that the recess (92) and accordingly the cross section of the pin rotating with the actuating element (4) is formed as square, so that the bolt unit (5) is attachable in three angle positions, which are offset by 90°, on the lock housing (3).
7. The bolt lock (1) according to any one of Claims 4 to 6, characterized in that the guide plate (9) is removably attachable on the lock housing (3).
8. The bolt lock (1) according to any one of the preceding claims, characterized in that the bolt housing (51) is provided, on its surface facing toward the lock housing (3), with openings (57) for the formfitting accommodation of receptacle sleeves (32), which protrude from the surface of the lock housing (3) facing toward the bolt housing (51).
9. The bolt lock (1) according to Claim 8, characterized in that the bolt housing (51) is formed having four openings (57) spaced apart from one another uniformly and the lock housing (3) is accordingly formed having four receptacle sleeves (32).
10. The bolt lock (1) according to any one of the preceding claims, characterized in that a rear end (524) of the bolt (52) in the closing direction (S) is connected to a mechanical element (11), which reverses the closing or opening movement of the bolt (52), and to which a further bolt (12) is attached.
11. The bolt lock (1) according to any one of the preceding claims, characterized in that the actuating element (4) has an opening (42), in which the lock cylinder (8) for locking the actuating element (4) is accommodated.
12. The bolt lock (1) according to anyone of the preceding claims, characterized in that the lock cylinder (8) is designed as a replaceable lock cylinder having replaceable cylinder core (82).
13. The bolt lock (1) according to any one of the preceding claims, characterized in that a combination lock (6) is integrated into the lock housing (3), using which the actuating element (4) can be locked or unlocked.
14. The bolt lock (1) according to any one of the preceding claims, characterized in that the circumference of the lock housing (3) is formed as stepped.
15. The bolt lock (1) according to Claim 14, characterized in that the circumference of the lock housing (3) comprises a step (33), which is raised in relation to a middle part (35), on a region of the circumference of the lock housing (3) facing away from a front panel (31) of the lock housing (3).
16. The bolt lock (1) according to Claim 14 or 15, characterized in that the circumference of the lock housing (3) has a step (34), which is depressed in relation to a middle part (35), on a region of the circumference of the lock housing (3) close to the front panel (31) of the lock housing (3).

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