DE102007022269B4 - furniture accessories - Google Patents

Abstract

Furniture fitting with a housing (10), in which an actuator (30) against the bias of a spring element (20) is displaceable and an end stop (52) limits the adjusting movement of the actuator (30), wherein the actuator (30) is a plunger ( 60), said plunger (60) having an adjustment portion (65) which is adjustable between a maximum and a minimum adjustment position exhibited with respect to the housing (10), said plunger (60) in the maximum adjustment position is held captive by a stop connection, wherein the plunger (60) via a threaded connection with the actuator (30) is connected, and wherein in the maximum setting position, the threaded connection is disengaged.

Description

The The invention relates to a furniture fitting with a housing, in which an actuator against the bias of a spring element is displaceable, and an end stop the adjusting movement of the actuator limited, wherein connected to the actuator, a plunger or connectable is, the plunger a Adjustment section which between a with respect to the casing issued maximum and a minimum adjustment position adjustable is.

such Furniture fittings are as a stop damper known. They become furniture with hinged flaps, doors or the like is used. Starting from the closed state the door can the furniture fitting actuated become. Then the first locked plunger unlocked. The actuator is then moved under the action of the force of the spring element.

there the ram goes out dug the housing. The pestle pushes the flap / door one piece far in the direction of the open position. The operation and unlocking the plunger takes place through an overstroke movement. Accordingly, the door from the closed position pressed in the direction of the actual closing movement (overstroke movement). This is in the closed position the flap / door an overstroke gap between the flap / door and the furniture body required. To ensure the functional safety of the closure allowed at the overtravel gap not a minimum be fallen below. For this reason, the plunger is adjustable.

From the US 83 76 088 A is a furniture fitting, namely a discharge opener for a drawer described. In this case, a plunger is used, which is screwed with a thread in a threaded receptacle of an actuator. The actuator is in a housing under the bias of a spring and is adjustable between two adjustment positions. By means of the threaded connection, the plunger can be continuously adapted to the installation conditions and adjusted. The plunger can be secured in its setting position with a lock nut. When the lock nut loosens, the plunger may loosen and then fall off the furniture fitting. He then represents a source of danger for small children, since it is a small piece that can be swallowed.

In the GB 380 028 A is a doorstop described. This has a linearly adjustable plunger, which is spring-biased mounted in a housing. The plunger is held by an adjusting screw which can be screwed to adjust the plunger position in a housing-side nut. The nut is linearly adjustable in the housing in the adjustment direction of the plunger. The plunger is held captive in its setting positions by means of the threaded connection. To prevent the set screw from being screwed out of the nut in the maximum setting position, another nut is used. This is captively fixed to the set screw. Thus, the plunger is thus held in the maximum adjustment position by means of the further nut in threaded engagement.

The JP 2001 173 311 A (Abstrackt) shows a stop damper with an adjustable plunger.

Of the Pestle is can be lost in the maximum setting position, so that this stop damper is not childproof is.

It is the object of the invention, a stop damper of the type mentioned to create, which is constructed safe and child-proof.

These The object is achieved with the features of claim 1. Accordingly, it is provided that the plunger in the maximum setting position by means of a stop connection captive is maintained, wherein in the maximum setting position the threaded connection except Intervention is.

Of the Pestle can in this furniture fitting between the minimum and maximum setting positions are adjusted. The stop connection ensures that the plunger comes with Reaching the maximum setting position does not trigger unintentionally. Consequently is then ensured that the pestle for small children no source of danger represented and swallowed by them.

A stable and space-saving construction results, if provided is that the actuator has an external thread has, on which the plunger with an internal thread screwed to form the threaded connection is.

One Losing the pestle will reliably prevents if it is provided that the stop connection between the actuator and the ram effective is or that the stop connection between the housing and the ram effective is.

at a housing side Stop can be the furniture fitting be designed such that the housing is an inserted holding part having a stop, or that the housing has a Stop has and that the plunger with a approach the stop connection forms.

The holding part may be assigned to reduce the parts cost a double function. For this purpose, it is then provided according to a design alternative that the holding part has an end stop which limits the adjusting movement of the actuator.

A possible Design variant may also be characterized in that the housing one one piece integrally formed end stop, which has the adjusting movement limited the actuator. The fixed assignment of the end stop brings to the housing a stable construction, being sure that the end stop is not released or torn by the impacting actuator. If Moreover, it is provided that the housing in the region of the component, which forms the end stop, fixing sections for connection to a furniture component or The like, then by the impacting actuator generated pulse in the end stop, the housing and the mounting portions taken and then in the furniture body derived.

The Invention will be described below with reference to the drawings embodiments explained in more detail. It demonstrate:

1 a furniture fitting in longitudinal section and in perspective view;

2 according to the furniture fitting 1 in side view and in full section in a changed operating position;

3 another variant of a furniture fitting in side view and in full section and

4 one in 3 with IV-IV marked detail.

In the 1 is a furniture fitting with a housing 10 shown. The housing 10 is made of plastic as an injection molded part. It has a housing wall 14 which surrounds a cylindrical mounting space.

At the bottom is the mounting space with a support section 13 limited. The housing 10 has two lateral, diametrically opposite mounting portions 11 on, each with a screw 12 are provided. The attachment sections 11 form on the in 1 the viewer facing away back together with a mounting surface 17 a mounting surface for attachment to a wall of a furniture body. The distance of the screw receptacles is preferably adapted to the usual system perforations of furniture. From the open top can be a spring element 20 , in this case a coil spring, are inserted into the mounting space. The spring element 20 is supported on one side on the support section 13 from. Subsequently, an actuator 30 inserted into the open upper side in the mounting space.

The actuator 30 carries a molded support section 34 , which is the other free end of the spring element 20 receives. To the support section 34 closes a recording 33 on, in the form of a circumferential groove in the actuator 30 is introduced. In this recording 33 is an axially immovable held, but freely rotatable locking ring 40 used. The recording 33 becomes one-sided with a waistband 35 limited. To the federal government 35 is an upwardly projecting threaded pin 31 with an external thread 32 formed. The Bund 35 carries laterally two protruding anti-rotation 35.1 , These engage in grooves in the housing 10 are formed. This is the actuator 30 in the axial direction against the force of the spring element 20 in the case 10 insertable. The anti-rotation devices 35.1 make sure that the actuator 30 not twisted in the circumferential direction.

In the upper opening of the housing 10 can conclude together with a pestle 60 a holding part 50 be used. It locks the holding part 50 with the housing 10 (Latching connection 16 ). The holding part 50 has an end stop 52 , This is located in the 1 shown extension position on the federal government 35 of the actuator 30 under the action of the spring element 20 biased on. The pestle 60 is formed substantially hollow cylindrical. He points to his free, out of the case 10 protruding end of a bracket 62 in which a holding magnet 63 is used. The holding magnet 63 works with a ferromagnetic part of the flap or door and holds them in the closed state. The flap / door lies with its inside on a flat adjustment section 65 of the plunger 60 at. Instead of the holding magnet 62 It is also possible to use a rubber buffer. At the adjustment section 65 opposite end is in the ram 60 a threaded socket with an internal thread 61 brought in. With this internal thread 61 can the plunger 60 on the external thread 32 screwed on and adjusted continuously. This can be the plunger 60 be adjusted between a maximum and a minimum setting position. In the maximum setting position is the plunger 60 with its adjustment section 65 furthest out of the case 10 moved out.

The 2 shows the minimum setting position. As the 1 further illustrated is the plunger 60 in the event that he's from the threaded stem 31 is unscrewed, captive on the housing 10 held. For this purpose, the plunger 60 an approach 64 up at a stop 51 of the holding part 50 comes to rest.

The 2 shows the pestle 60 in its maximum in the housing 10 retracted position. As can be seen from this illustration, the locking ring 40 while in engagement with two cams 15 and 53 , The control curve 15 is in one piece to the housing 10 formed. The control curve 53 is part of the holding part 50 , The locking ring 40 and the cams 15 and 53 form a locking mechanism, as it is known in principle from pens. In this case, the actuator 30 by means of the plunger 60 (Corresponds to push button on the ballpoint pen) set in the retracted detent position and released when applying an overstroke again.

In the 3 and 4 an alternative design of a furniture fitting according to the invention is shown. The mode of operation is essentially identical to the arrangement according to FIG 1 and 2 , which is why reference may be made to the above statements. Different is in particular the arrangement of the end stop 52 , This is now one piece to the housing 10 formed. Especially with strong spring forces, the impulse of the impinging actuator 30 be derived safely. As 4 shows is the stop 51 for the approach 64 of the plunger 60 to reduce the cost of parts also in one piece to the housing 10 formed.

The holding part 50 is from the open bottom side into the mounting space of the housing 10 inserted. It carries the control curve again 53 that with the locking ring 40 and the to the housing 10 molded cam 15 cooperates. The actuator 30 is functionally identical, as the according to the 1 and 2 , It gets along with the pestle 60 inserted from below into the mounting space.

Claims (8)

Furniture fitting with a housing ( 10 ), in which an actuator ( 30 ) against the bias of a spring element ( 20 ) is displaceable and an end stop ( 52 ) the actuating movement of the actuator ( 30 ), wherein with the actuator ( 30 ) a pestle ( 60 ) is connected or connectable, wherein the plunger ( 60 ) a setting section ( 65 ) located between one in relation to the housing ( 10 ) maximum and a minimum adjustment position is adjustable, wherein the plunger ( 60 ) is held captive in the maximum setting position by means of a stop connection, wherein the plunger ( 60 ) via a threaded connection with the actuator ( 30 ), and wherein in the maximum setting position, the threaded connection is disengaged. Furniture fitting according to claim 1, characterized in that the actuator ( 30 ) an external thread ( 32 ), on which the plunger ( 60 ) with an internal thread ( 61 ) is screwed to form the threaded connection. Furniture fitting according to claim 1 or 2, characterized in that the stop connection between the actuator ( 30 ) and the plunger ( 60 ) is effective. Furniture fitting according to one of claims 1 or 2, characterized in that the stop connection between the housing ( 10 ) and the plunger ( 60 ) is effective. Furniture fitting according to claim 4, characterized in that the housing ( 10 ) an inserted holding part ( 50 ) having a stop ( 51 ), or that the housing ( 10 ) a stop ( 51 ) and that the plunger ( 60 ) with an approach ( 64 ) forms the stop connection. Furniture fitting according to claim 5, characterized in that the holding part ( 50 ) the end stop ( 52 ), which controls the actuating movement of the actuator ( 30 ) limited. Furniture fitting according to one of claims 1 to 5, characterized in that the housing ( 10 ) a one-piece molded end stop ( 52 ), which controls the actuating movement of the actuator ( 30 ) limited. Furniture fitting according to claim 7, characterized in that the housing ( 10 ) in the area of the component that supports the end stop ( 52 ), fastening sections ( 11 ) for connection to a furniture component or the like.